diff options
| author | Ingo Molnar | 2017-11-07 10:51:10 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2017-11-07 10:51:10 +0100 |
| commit | 141d3b1daacd11bdbd6fa74c2b163093e10d17ee (patch) | |
| tree | 04c98496f16ad2fe34c0cf4f31fedf4fe558c017 /arch/x86 | |
| parent | c201c91799d687c0a6d8c3272950f51aad5ffebe (diff) | |
| parent | e4880bc5dfb1f02b152e62a894b5c6f3e995b3cf (diff) | |
Merge branch 'linus' into x86/apic, to resolve conflicts
Conflicts:
arch/x86/include/asm/x2apic.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86')
767 files changed, 1203 insertions, 250 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ea4bedaba4b8..94802149255a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Select 32 or 64 bit config 64BIT bool "64-bit kernel" if ARCH = "x86" diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 3ba5ff2f2d08..65a9a4716e34 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Put here option for CPU selection and depending optimization choice prompt "Processor family" diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 71a48a30fc84..90b123056f4b 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Kernel hacking" config TRACE_IRQFLAGS_SUPPORT diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 6276572259c8..a20eacd9c7e9 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Unified Makefile for i386 and x86_64 # select defconfig based on actual architecture diff --git a/arch/x86/Makefile.um b/arch/x86/Makefile.um index 5b7e898ffd9a..45af19921ebd 100644 --- a/arch/x86/Makefile.um +++ b/arch/x86/Makefile.um @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 core-y += arch/x86/crypto/ ifeq ($(CONFIG_X86_32),y) diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu index f3717d36718a..1f5faf8606b4 100644 --- a/arch/x86/Makefile_32.cpu +++ b/arch/x86/Makefile_32.cpu @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # CPU tuning section - shared with UML. # Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML. diff --git a/arch/x86/boot/code16gcc.h b/arch/x86/boot/code16gcc.h index 5ff426535397..e19fd7536307 100644 --- a/arch/x86/boot/code16gcc.h +++ b/arch/x86/boot/code16gcc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ # # code16gcc.h # diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 8a958274b54c..4b7575b00563 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # linux/arch/x86/boot/compressed/Makefile # diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c index 9dc1ce6ba3c0..0cb325734cfb 100644 --- a/arch/x86/boot/compressed/cmdline.c +++ b/arch/x86/boot/compressed/cmdline.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "misc.h" #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE diff --git a/arch/x86/boot/compressed/cpuflags.c b/arch/x86/boot/compressed/cpuflags.c index aa313466118b..6448a8196d32 100644 --- a/arch/x86/boot/compressed/cpuflags.c +++ b/arch/x86/boot/compressed/cpuflags.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifdef CONFIG_RANDOMIZE_BASE #include "../cpuflags.c" diff --git a/arch/x86/boot/compressed/eboot.h b/arch/x86/boot/compressed/eboot.h index c0223f1a89d7..e799dc5c6448 100644 --- a/arch/x86/boot/compressed/eboot.h +++ b/arch/x86/boot/compressed/eboot.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BOOT_COMPRESSED_EBOOT_H #define BOOT_COMPRESSED_EBOOT_H diff --git a/arch/x86/boot/compressed/efi_stub_32.S b/arch/x86/boot/compressed/efi_stub_32.S index a53440e81d52..257e341fd2c8 100644 --- a/arch/x86/boot/compressed/efi_stub_32.S +++ b/arch/x86/boot/compressed/efi_stub_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * EFI call stub for IA32. * diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S index 630384a4c14a..bff9ab7c6317 100644 --- a/arch/x86/boot/compressed/efi_thunk_64.S +++ b/arch/x86/boot/compressed/efi_thunk_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2014, 2015 Intel Corporation; author Matt Fleming * diff --git a/arch/x86/boot/compressed/error.c b/arch/x86/boot/compressed/error.c index 31922023de49..c881878e56d3 100644 --- a/arch/x86/boot/compressed/error.c +++ b/arch/x86/boot/compressed/error.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Callers outside of misc.c need access to the error reporting routines, * but the *_putstr() functions need to stay in misc.c because of how diff --git a/arch/x86/boot/compressed/error.h b/arch/x86/boot/compressed/error.h index d732e608e3af..1de5821184f1 100644 --- a/arch/x86/boot/compressed/error.h +++ b/arch/x86/boot/compressed/error.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BOOT_COMPRESSED_ERROR_H #define BOOT_COMPRESSED_ERROR_H diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index 11c68cf53d4e..37380c0d5999 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/boot/head.S * diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index b4a5d284391c..beb255b66447 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/boot/head.S * diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index 17818ba6906f..a63fbc25ce84 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * kaslr.c * diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index c14217cd0155..b50c42455e25 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * misc.c * diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index 766a5211f827..32d4ec2e0243 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BOOT_COMPRESSED_MISC_H #define BOOT_COMPRESSED_MISC_H diff --git a/arch/x86/boot/compressed/pagetable.c b/arch/x86/boot/compressed/pagetable.c index f1aa43854bed..972319ff5b01 100644 --- a/arch/x86/boot/compressed/pagetable.c +++ b/arch/x86/boot/compressed/pagetable.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This code is used on x86_64 to create page table identity mappings on * demand by building up a new set of page tables (or appending to the diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c index cea140ce6b42..19dbbcdd1a53 100644 --- a/arch/x86/boot/compressed/string.c +++ b/arch/x86/boot/compressed/string.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This provides an optimized implementation of memcpy, and a simplified * implementation of memset and memmove. These are used here because the diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S index e24e0a0c90c9..f491bbde8493 100644 --- a/arch/x86/boot/compressed/vmlinux.lds.S +++ b/arch/x86/boot/compressed/vmlinux.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm-generic/vmlinux.lds.h> OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) diff --git a/arch/x86/boot/cpuflags.c b/arch/x86/boot/cpuflags.c index 9e77c23c2422..a0b75f73dc63 100644 --- a/arch/x86/boot/cpuflags.c +++ b/arch/x86/boot/cpuflags.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include "bitops.h" diff --git a/arch/x86/boot/cpuflags.h b/arch/x86/boot/cpuflags.h index 15ad56a3f905..2e20814d3ce3 100644 --- a/arch/x86/boot/cpuflags.h +++ b/arch/x86/boot/cpuflags.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BOOT_CPUFLAGS_H #define BOOT_CPUFLAGS_H diff --git a/arch/x86/boot/ctype.h b/arch/x86/boot/ctype.h index 020f137df7a2..8f5ef2994b5e 100644 --- a/arch/x86/boot/ctype.h +++ b/arch/x86/boot/ctype.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BOOT_CTYPE_H #define BOOT_CTYPE_H diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c index f0b8d6d93164..b25c53527a94 100644 --- a/arch/x86/boot/early_serial_console.c +++ b/arch/x86/boot/early_serial_console.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Serial port routines for use during early boot reporting. This code is * included from both the compressed kernel and the regular kernel. diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index 1bb08ecffd24..9c7ea597eee6 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * header.S * diff --git a/arch/x86/boot/string.h b/arch/x86/boot/string.h index f274a50db5fa..3d78e27077f4 100644 --- a/arch/x86/boot/string.h +++ b/arch/x86/boot/string.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BOOT_STRING_H #define BOOT_STRING_H diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c index 0702d2531bc7..d4e6cd4577e5 100644 --- a/arch/x86/boot/tools/build.c +++ b/arch/x86/boot/tools/build.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 1997 Martin Mares diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile index 9e32d40d71bd..5f07333bb224 100644 --- a/arch/x86/crypto/Makefile +++ b/arch/x86/crypto/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Arch-specific CryptoAPI modules. # diff --git a/arch/x86/crypto/chacha20-avx2-x86_64.S b/arch/x86/crypto/chacha20-avx2-x86_64.S index 3a2dc3dc6cac..f3cd26f48332 100644 --- a/arch/x86/crypto/chacha20-avx2-x86_64.S +++ b/arch/x86/crypto/chacha20-avx2-x86_64.S @@ -45,7 +45,7 @@ ENTRY(chacha20_8block_xor_avx2) vzeroupper # 4 * 32 byte stack, 32-byte aligned - mov %rsp, %r8 + lea 8(%rsp),%r10 and $~31, %rsp sub $0x80, %rsp @@ -443,6 +443,6 @@ ENTRY(chacha20_8block_xor_avx2) vmovdqu %ymm15,0x01e0(%rsi) vzeroupper - mov %r8,%rsp + lea -8(%r10),%rsp ret ENDPROC(chacha20_8block_xor_avx2) diff --git a/arch/x86/crypto/chacha20-ssse3-x86_64.S b/arch/x86/crypto/chacha20-ssse3-x86_64.S index 3f511a7d73b8..512a2b500fd1 100644 --- a/arch/x86/crypto/chacha20-ssse3-x86_64.S +++ b/arch/x86/crypto/chacha20-ssse3-x86_64.S @@ -160,7 +160,7 @@ ENTRY(chacha20_4block_xor_ssse3) # done with the slightly better performing SSSE3 byte shuffling, # 7/12-bit word rotation uses traditional shift+OR. - mov %rsp,%r11 + lea 8(%rsp),%r10 sub $0x80,%rsp and $~63,%rsp @@ -625,6 +625,6 @@ ENTRY(chacha20_4block_xor_ssse3) pxor %xmm1,%xmm15 movdqu %xmm15,0xf0(%rsi) - mov %r11,%rsp + lea -8(%r10),%rsp ret ENDPROC(chacha20_4block_xor_ssse3) diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S index 9279e0b2d60e..10db30d58006 100644 --- a/arch/x86/crypto/salsa20-x86_64-asm_64.S +++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> # enter salsa20_encrypt_bytes diff --git a/arch/x86/crypto/sha1-mb/Makefile b/arch/x86/crypto/sha1-mb/Makefile index 2e14acc3da25..815ded3ba90e 100644 --- a/arch/x86/crypto/sha1-mb/Makefile +++ b/arch/x86/crypto/sha1-mb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Arch-specific CryptoAPI modules. # diff --git a/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S b/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S index 93b945597ecf..7cfba738f104 100644 --- a/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S +++ b/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S @@ -157,8 +157,8 @@ LABEL skip_ %I .endr # Find min length - vmovdqa _lens+0*16(state), %xmm0 - vmovdqa _lens+1*16(state), %xmm1 + vmovdqu _lens+0*16(state), %xmm0 + vmovdqu _lens+1*16(state), %xmm1 vpminud %xmm1, %xmm0, %xmm2 # xmm2 has {D,C,B,A} vpalignr $8, %xmm2, %xmm3, %xmm3 # xmm3 has {x,x,D,C} @@ -178,8 +178,8 @@ LABEL skip_ %I vpsubd %xmm2, %xmm0, %xmm0 vpsubd %xmm2, %xmm1, %xmm1 - vmovdqa %xmm0, _lens+0*16(state) - vmovdqa %xmm1, _lens+1*16(state) + vmovdqu %xmm0, _lens+0*16(state) + vmovdqu %xmm1, _lens+1*16(state) # "state" and "args" are the same address, arg1 # len is arg2 @@ -235,8 +235,8 @@ ENTRY(sha1_mb_mgr_get_comp_job_avx2) jc .return_null # Find min length - vmovdqa _lens(state), %xmm0 - vmovdqa _lens+1*16(state), %xmm1 + vmovdqu _lens(state), %xmm0 + vmovdqu _lens+1*16(state), %xmm1 vpminud %xmm1, %xmm0, %xmm2 # xmm2 has {D,C,B,A} vpalignr $8, %xmm2, %xmm3, %xmm3 # xmm3 has {x,x,D,C} diff --git a/arch/x86/crypto/sha256-mb/Makefile b/arch/x86/crypto/sha256-mb/Makefile index 45b4fca6c4a8..53ad6e7db747 100644 --- a/arch/x86/crypto/sha256-mb/Makefile +++ b/arch/x86/crypto/sha256-mb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Arch-specific CryptoAPI modules. # diff --git a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S index 8fe6338bcc84..16c4ccb1f154 100644 --- a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S +++ b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S @@ -155,8 +155,8 @@ LABEL skip_ %I .endr # Find min length - vmovdqa _lens+0*16(state), %xmm0 - vmovdqa _lens+1*16(state), %xmm1 + vmovdqu _lens+0*16(state), %xmm0 + vmovdqu _lens+1*16(state), %xmm1 vpminud %xmm1, %xmm0, %xmm2 # xmm2 has {D,C,B,A} vpalignr $8, %xmm2, %xmm3, %xmm3 # xmm3 has {x,x,D,C} @@ -176,8 +176,8 @@ LABEL skip_ %I vpsubd %xmm2, %xmm0, %xmm0 vpsubd %xmm2, %xmm1, %xmm1 - vmovdqa %xmm0, _lens+0*16(state) - vmovdqa %xmm1, _lens+1*16(state) + vmovdqu %xmm0, _lens+0*16(state) + vmovdqu %xmm1, _lens+1*16(state) # "state" and "args" are the same address, arg1 # len is arg2 @@ -234,8 +234,8 @@ ENTRY(sha256_mb_mgr_get_comp_job_avx2) jc .return_null # Find min length - vmovdqa _lens(state), %xmm0 - vmovdqa _lens+1*16(state), %xmm1 + vmovdqu _lens(state), %xmm0 + vmovdqu _lens+1*16(state), %xmm1 vpminud %xmm1, %xmm0, %xmm2 # xmm2 has {D,C,B,A} vpalignr $8, %xmm2, %xmm3, %xmm3 # xmm3 has {x,x,D,C} diff --git a/arch/x86/crypto/sha512-mb/Makefile b/arch/x86/crypto/sha512-mb/Makefile index 0a57e2103980..90f1ef69152e 100644 --- a/arch/x86/crypto/sha512-mb/Makefile +++ b/arch/x86/crypto/sha512-mb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Arch-specific CryptoAPI modules. # diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile index af28a8a24366..06fc70cf5433 100644 --- a/arch/x86/entry/Makefile +++ b/arch/x86/entry/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the x86 low level entry code # diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h index 640aafebdc00..6e160031cfea 100644 --- a/arch/x86/entry/calling.h +++ b/arch/x86/entry/calling.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/jump_label.h> #include <asm/unwind_hints.h> diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 8a13d468635a..4838037f97f6 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 1991,1992 Linus Torvalds * @@ -176,7 +177,7 @@ /* * This is a sneaky trick to help the unwinder find pt_regs on the stack. The * frame pointer is replaced with an encoded pointer to pt_regs. The encoding - * is just setting the LSB, which makes it an invalid stack address and is also + * is just clearing the MSB, which makes it an invalid stack address and is also * a signal to the unwinder that it's a pt_regs pointer in disguise. * * NOTE: This macro must be used *after* SAVE_ALL because it corrupts the @@ -185,7 +186,7 @@ .macro ENCODE_FRAME_POINTER #ifdef CONFIG_FRAME_POINTER mov %esp, %ebp - orl $0x1, %ebp + andl $0x7fffffff, %ebp #endif .endm diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 49167258d587..bcfc5668dcb2 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/arch/x86_64/entry.S * @@ -808,7 +809,7 @@ apicinterrupt IRQ_WORK_VECTOR irq_work_interrupt smp_irq_work_interrupt .macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 ENTRY(\sym) - UNWIND_HINT_IRET_REGS offset=8 + UNWIND_HINT_IRET_REGS offset=\has_error_code*8 /* Sanity check */ .if \shift_ist != -1 && \paranoid == 0 diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index e26c25ca7756..b5c7a56ed256 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Compatibility mode system call entry point for x86-64. * diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c index 8f895ee13a1c..95c294963612 100644 --- a/arch/x86/entry/syscall_32.c +++ b/arch/x86/entry/syscall_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* System call table for i386. */ #include <linux/linkage.h> diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c index 9dbc5abb6162..9c09775e589d 100644 --- a/arch/x86/entry/syscall_64.c +++ b/arch/x86/entry/syscall_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* System call table for x86-64. */ #include <linux/linkage.h> diff --git a/arch/x86/entry/syscalls/Makefile b/arch/x86/entry/syscalls/Makefile index 57aa59fd140c..331f1dca5085 100644 --- a/arch/x86/entry/syscalls/Makefile +++ b/arch/x86/entry/syscalls/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 out := $(obj)/../../include/generated/asm uapi := $(obj)/../../include/generated/uapi/asm diff --git a/arch/x86/entry/syscalls/syscallhdr.sh b/arch/x86/entry/syscalls/syscallhdr.sh index 31fd5f1f38f7..12fbbcfe7ef3 100644 --- a/arch/x86/entry/syscalls/syscallhdr.sh +++ b/arch/x86/entry/syscalls/syscallhdr.sh @@ -1,4 +1,5 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 in="$1" out="$2" diff --git a/arch/x86/entry/syscalls/syscalltbl.sh b/arch/x86/entry/syscalls/syscalltbl.sh index 751d1f992630..d71ef4bd3615 100644 --- a/arch/x86/entry/syscalls/syscalltbl.sh +++ b/arch/x86/entry/syscalls/syscalltbl.sh @@ -1,4 +1,5 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 in="$1" out="$2" diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index d5409660f5de..c366c0adeb40 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Building vDSO images for x86. # diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S index 8ebb4b6454fe..acfd5ba7d943 100644 --- a/arch/x86/entry/vdso/vdso-layout.lds.S +++ b/arch/x86/entry/vdso/vdso-layout.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/vdso.h> /* diff --git a/arch/x86/entry/vdso/vdso.lds.S b/arch/x86/entry/vdso/vdso.lds.S index 6807932643c2..d3a2dce4cfa9 100644 --- a/arch/x86/entry/vdso/vdso.lds.S +++ b/arch/x86/entry/vdso/vdso.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linker script for 64-bit vDSO. * We #include the file to define the layout details. diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h index 3dab75f2a673..fa847a620f40 100644 --- a/arch/x86/entry/vdso/vdso2c.h +++ b/arch/x86/entry/vdso/vdso2c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file is included twice from vdso2c.c. It generates code for 32-bit * and 64-bit vDSOs. We need both for 64-bit builds, since 32-bit vDSOs diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c index 3f9d1a83891a..42d4c89f990e 100644 --- a/arch/x86/entry/vdso/vdso32-setup.c +++ b/arch/x86/entry/vdso/vdso32-setup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * (C) Copyright 2002 Linus Torvalds * Portions based on the vdso-randomization code from exec-shield: diff --git a/arch/x86/entry/vdso/vdso32/note.S b/arch/x86/entry/vdso/vdso32/note.S index c83f25734696..9fd51f206314 100644 --- a/arch/x86/entry/vdso/vdso32/note.S +++ b/arch/x86/entry/vdso/vdso32/note.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. * Here we can supply some information useful to userland. diff --git a/arch/x86/entry/vdso/vdso32/sigreturn.S b/arch/x86/entry/vdso/vdso32/sigreturn.S index 20633e026e82..c3233ee98a6b 100644 --- a/arch/x86/entry/vdso/vdso32/sigreturn.S +++ b/arch/x86/entry/vdso/vdso32/sigreturn.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/unistd_32.h> #include <asm/asm-offsets.h> diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index ed4bc9731cbb..263d7433dea8 100644 --- a/arch/x86/entry/vdso/vdso32/system_call.S +++ b/arch/x86/entry/vdso/vdso32/system_call.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * AT_SYSINFO entry point */ diff --git a/arch/x86/entry/vdso/vdso32/vclock_gettime.c b/arch/x86/entry/vdso/vdso32/vclock_gettime.c index 87a86e017f0e..7780bbfb06ef 100644 --- a/arch/x86/entry/vdso/vdso32/vclock_gettime.c +++ b/arch/x86/entry/vdso/vdso32/vclock_gettime.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define BUILD_VDSO32 #ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE diff --git a/arch/x86/entry/vdso/vdso32/vdso32.lds.S b/arch/x86/entry/vdso/vdso32/vdso32.lds.S index 31056cf294bf..422764a81d32 100644 --- a/arch/x86/entry/vdso/vdso32/vdso32.lds.S +++ b/arch/x86/entry/vdso/vdso32/vdso32.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linker script for 32-bit vDSO. * We #include the file to define the layout details. diff --git a/arch/x86/entry/vdso/vdsox32.lds.S b/arch/x86/entry/vdso/vdsox32.lds.S index 697c11ece90c..05cd1c5c4a15 100644 --- a/arch/x86/entry/vdso/vdsox32.lds.S +++ b/arch/x86/entry/vdso/vdsox32.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linker script for x32 vDSO. * We #include the file to define the layout details. diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c index ce1d7534fa53..f279ba2643dc 100644 --- a/arch/x86/entry/vsyscall/vsyscall_64.c +++ b/arch/x86/entry/vsyscall/vsyscall_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2012-2014 Andy Lutomirski <luto@amacapital.net> * diff --git a/arch/x86/entry/vsyscall/vsyscall_gtod.c b/arch/x86/entry/vsyscall/vsyscall_gtod.c index 0fb3a104ac62..e1216dd95c04 100644 --- a/arch/x86/entry/vsyscall/vsyscall_gtod.c +++ b/arch/x86/entry/vsyscall/vsyscall_gtod.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2001 Andrea Arcangeli <andrea@suse.de> SuSE * Copyright 2003 Andi Kleen, SuSE Labs. diff --git a/arch/x86/entry/vsyscall/vsyscall_trace.h b/arch/x86/entry/vsyscall/vsyscall_trace.h index 9dd7359a38a8..3c3f9765a85c 100644 --- a/arch/x86/entry/vsyscall/vsyscall_trace.h +++ b/arch/x86/entry/vsyscall/vsyscall_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM vsyscall diff --git a/arch/x86/events/Kconfig b/arch/x86/events/Kconfig index 98397db5ceae..9a7a1446cb3a 100644 --- a/arch/x86/events/Kconfig +++ b/arch/x86/events/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Performance monitoring" config PERF_EVENTS_INTEL_UNCORE diff --git a/arch/x86/events/amd/Makefile b/arch/x86/events/amd/Makefile index b1da46f396e0..fe8795a67385 100644 --- a/arch/x86/events/amd/Makefile +++ b/arch/x86/events/amd/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CPU_SUP_AMD) += core.o uncore.o obj-$(CONFIG_PERF_EVENTS_AMD_POWER) += power.o obj-$(CONFIG_X86_LOCAL_APIC) += ibs.o diff --git a/arch/x86/events/intel/Makefile b/arch/x86/events/intel/Makefile index e9d8520a801a..3468b0c1dc7c 100644 --- a/arch/x86/events/intel/Makefile +++ b/arch/x86/events/intel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CPU_SUP_INTEL) += core.o bts.o obj-$(CONFIG_CPU_SUP_INTEL) += ds.o knc.o obj-$(CONFIG_CPU_SUP_INTEL) += lbr.o p4.o p6.o pt.o diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c index 16076eb34699..141e07b06216 100644 --- a/arch/x86/events/intel/bts.c +++ b/arch/x86/events/intel/bts.c @@ -546,9 +546,6 @@ static int bts_event_init(struct perf_event *event) if (event->attr.type != bts_pmu.type) return -ENOENT; - if (x86_add_exclusive(x86_lbr_exclusive_bts)) - return -EBUSY; - /* * BTS leaks kernel addresses even when CPL0 tracing is * disabled, so disallow intel_bts driver for unprivileged @@ -562,6 +559,9 @@ static int bts_event_init(struct perf_event *event) !capable(CAP_SYS_ADMIN)) return -EACCES; + if (x86_add_exclusive(x86_lbr_exclusive_bts)) + return -EBUSY; + ret = x86_reserve_hardware(); if (ret) { x86_del_exclusive(x86_lbr_exclusive_bts); diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index e1965e5ff570..3674a4b6f8bd 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/types.h> #include <linux/slab.h> diff --git a/arch/x86/events/intel/knc.c b/arch/x86/events/intel/knc.c index 548d5f774b07..618001c208e8 100644 --- a/arch/x86/events/intel/knc.c +++ b/arch/x86/events/intel/knc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Driver for Intel Xeon Phi "Knights Corner" PMU */ #include <linux/perf_event.h> diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 8a6bbacd17dc..ae64d0b69729 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/perf_event.h> #include <linux/types.h> diff --git a/arch/x86/events/intel/p6.c b/arch/x86/events/intel/p6.c index 1f5c47ab4c65..a5604c352930 100644 --- a/arch/x86/events/intel/p6.c +++ b/arch/x86/events/intel/p6.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/perf_event.h> #include <linux/types.h> diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 1c5390f1cf09..d45e06346f14 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -822,7 +822,7 @@ static int __init uncore_type_init(struct intel_uncore_type *type, bool setid) pmus[i].type = type; pmus[i].boxes = kzalloc(size, GFP_KERNEL); if (!pmus[i].boxes) - return -ENOMEM; + goto err; } type->pmus = pmus; @@ -836,7 +836,7 @@ static int __init uncore_type_init(struct intel_uncore_type *type, bool setid) attr_group = kzalloc(sizeof(struct attribute *) * (i + 1) + sizeof(*attr_group), GFP_KERNEL); if (!attr_group) - return -ENOMEM; + goto err; attrs = (struct attribute **)(attr_group + 1); attr_group->name = "events"; @@ -849,7 +849,15 @@ static int __init uncore_type_init(struct intel_uncore_type *type, bool setid) } type->pmu_group = &uncore_pmu_attr_group; + return 0; + +err: + for (i = 0; i < type->num_boxes; i++) + kfree(pmus[i].boxes); + kfree(pmus); + + return -ENOMEM; } static int __init diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h index df5989f27b1b..4364191e7c6b 100644 --- a/arch/x86/events/intel/uncore.h +++ b/arch/x86/events/intel/uncore.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/slab.h> #include <linux/pci.h> #include <asm/apicdef.h> diff --git a/arch/x86/events/intel/uncore_nhmex.c b/arch/x86/events/intel/uncore_nhmex.c index 6a5cbe90f859..93e7a8397cde 100644 --- a/arch/x86/events/intel/uncore_nhmex.c +++ b/arch/x86/events/intel/uncore_nhmex.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Nehalem-EX/Westmere-EX uncore support */ #include "uncore.h" diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index db1127ce685e..aee5e8496be4 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Nehalem/SandBridge/Haswell/Broadwell/Skylake uncore support */ #include "uncore.h" diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index a7196818416a..95cb19f4e06f 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* SandyBridge-EP/IvyTown uncore support */ #include "uncore.h" diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c index 06723671ae4e..14efaa0e8684 100644 --- a/arch/x86/events/msr.c +++ b/arch/x86/events/msr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/perf_event.h> #include <asm/intel-family.h> diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 1a8eb550c40f..a5db63f728a2 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -85,6 +85,8 @@ EXPORT_SYMBOL_GPL(hyperv_cs); u32 *hv_vp_index; EXPORT_SYMBOL_GPL(hv_vp_index); +u32 hv_max_vp_index; + static int hv_cpu_init(unsigned int cpu) { u64 msr_vp_index; @@ -93,6 +95,9 @@ static int hv_cpu_init(unsigned int cpu) hv_vp_index[smp_processor_id()] = msr_vp_index; + if (msr_vp_index > hv_max_vp_index) + hv_max_vp_index = msr_vp_index; + return 0; } diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c index 39e7f6e50919..9cc9e1c1e2db 100644 --- a/arch/x86/hyperv/mmu.c +++ b/arch/x86/hyperv/mmu.c @@ -36,9 +36,9 @@ struct hv_flush_pcpu_ex { /* Each gva in gva_list encodes up to 4096 pages to flush */ #define HV_TLB_FLUSH_UNIT (4096 * PAGE_SIZE) -static struct hv_flush_pcpu __percpu *pcpu_flush; +static struct hv_flush_pcpu __percpu **pcpu_flush; -static struct hv_flush_pcpu_ex __percpu *pcpu_flush_ex; +static struct hv_flush_pcpu_ex __percpu **pcpu_flush_ex; /* * Fills in gva_list starting from offset. Returns the number of items added. @@ -76,6 +76,18 @@ static inline int cpumask_to_vp_set(struct hv_flush_pcpu_ex *flush, { int cpu, vcpu, vcpu_bank, vcpu_offset, nr_bank = 1; + /* valid_bank_mask can represent up to 64 banks */ + if (hv_max_vp_index / 64 >= 64) + return 0; + + /* + * Clear all banks up to the maximum possible bank as hv_flush_pcpu_ex + * structs are not cleared between calls, we risk flushing unneeded + * vCPUs otherwise. + */ + for (vcpu_bank = 0; vcpu_bank <= hv_max_vp_index / 64; vcpu_bank++) + flush->hv_vp_set.bank_contents[vcpu_bank] = 0; + /* * Some banks may end up being empty but this is acceptable. */ @@ -83,11 +95,6 @@ static inline int cpumask_to_vp_set(struct hv_flush_pcpu_ex *flush, vcpu = hv_cpu_number_to_vp_number(cpu); vcpu_bank = vcpu / 64; vcpu_offset = vcpu % 64; - - /* valid_bank_mask can represent up to 64 banks */ - if (vcpu_bank >= 64) - return 0; - __set_bit(vcpu_offset, (unsigned long *) &flush->hv_vp_set.bank_contents[vcpu_bank]); if (vcpu_bank >= nr_bank) @@ -102,6 +109,7 @@ static void hyperv_flush_tlb_others(const struct cpumask *cpus, const struct flush_tlb_info *info) { int cpu, vcpu, gva_n, max_gvas; + struct hv_flush_pcpu **flush_pcpu; struct hv_flush_pcpu *flush; u64 status = U64_MAX; unsigned long flags; @@ -116,7 +124,17 @@ static void hyperv_flush_tlb_others(const struct cpumask *cpus, local_irq_save(flags); - flush = this_cpu_ptr(pcpu_flush); + flush_pcpu = this_cpu_ptr(pcpu_flush); + + if (unlikely(!*flush_pcpu)) + *flush_pcpu = page_address(alloc_page(GFP_ATOMIC)); + + flush = *flush_pcpu; + + if (unlikely(!flush)) { + local_irq_restore(flags); + goto do_native; + } if (info->mm) { flush->address_space = virt_to_phys(info->mm->pgd); @@ -173,6 +191,7 @@ static void hyperv_flush_tlb_others_ex(const struct cpumask *cpus, const struct flush_tlb_info *info) { int nr_bank = 0, max_gvas, gva_n; + struct hv_flush_pcpu_ex **flush_pcpu; struct hv_flush_pcpu_ex *flush; u64 status = U64_MAX; unsigned long flags; @@ -187,7 +206,17 @@ static void hyperv_flush_tlb_others_ex(const struct cpumask *cpus, local_irq_save(flags); - flush = this_cpu_ptr(pcpu_flush_ex); + flush_pcpu = this_cpu_ptr(pcpu_flush_ex); + + if (unlikely(!*flush_pcpu)) + *flush_pcpu = page_address(alloc_page(GFP_ATOMIC)); + + flush = *flush_pcpu; + + if (unlikely(!flush)) { + local_irq_restore(flags); + goto do_native; + } if (info->mm) { flush->address_space = virt_to_phys(info->mm->pgd); @@ -222,18 +251,18 @@ static void hyperv_flush_tlb_others_ex(const struct cpumask *cpus, flush->flags |= HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY; status = hv_do_rep_hypercall( HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX, - 0, nr_bank + 2, flush, NULL); + 0, nr_bank, flush, NULL); } else if (info->end && ((info->end - info->start)/HV_TLB_FLUSH_UNIT) > max_gvas) { status = hv_do_rep_hypercall( HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX, - 0, nr_bank + 2, flush, NULL); + 0, nr_bank, flush, NULL); } else { gva_n = fill_gva_list(flush->gva_list, nr_bank, info->start, info->end); status = hv_do_rep_hypercall( HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX, - gva_n, nr_bank + 2, flush, NULL); + gva_n, nr_bank, flush, NULL); } local_irq_restore(flags); @@ -266,7 +295,7 @@ void hyper_alloc_mmu(void) return; if (!(ms_hyperv.hints & HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED)) - pcpu_flush = __alloc_percpu(PAGE_SIZE, PAGE_SIZE); + pcpu_flush = alloc_percpu(struct hv_flush_pcpu *); else - pcpu_flush_ex = __alloc_percpu(PAGE_SIZE, PAGE_SIZE); + pcpu_flush_ex = alloc_percpu(struct hv_flush_pcpu_ex *); } diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c index 2eccc8932ae6..3d21eab7aaed 100644 --- a/arch/x86/ia32/audit.c +++ b/arch/x86/ia32/audit.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <asm/unistd_32.h> unsigned ia32_dir_class[] = { diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 0e2a5edbce00..41c671854642 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/x86_64/ia32/ia32_signal.c * diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 47956c6a4fd8..96cd33bbfc85 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sys_ia32.c: Conversion between 32bit and 64bit native syscalls. Based on * sys_sparc32 diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 72d867f6b518..8d0ec9df1cbe 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -150,6 +150,8 @@ static inline void disable_acpi(void) { } extern int x86_acpi_numa_init(void); #endif /* CONFIG_ACPI_NUMA */ +#define acpi_unlazy_tlb(x) leave_mm(x) + #ifdef CONFIG_ACPI_APEI static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr) { diff --git a/arch/x86/include/asm/agp.h b/arch/x86/include/asm/agp.h index eec2a70d4376..8e25bf4f323a 100644 --- a/arch/x86/include/asm/agp.h +++ b/arch/x86/include/asm/agp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_AGP_H #define _ASM_X86_AGP_H diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h index e7636bac7372..31b627b43a8e 100644 --- a/arch/x86/include/asm/alternative-asm.h +++ b/arch/x86/include/asm/alternative-asm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ALTERNATIVE_ASM_H #define _ASM_X86_ALTERNATIVE_ASM_H @@ -62,8 +63,10 @@ #define new_len2 145f-144f /* - * max without conditionals. Idea adapted from: + * gas compatible max based on the idea from: * http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax + * + * The additional "-" is needed because gas uses a "true" value of -1. */ #define alt_max_short(a, b) ((a) ^ (((a) ^ (b)) & -(-((a) < (b))))) diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h index c096624137ae..dbfd0854651f 100644 --- a/arch/x86/include/asm/alternative.h +++ b/arch/x86/include/asm/alternative.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ALTERNATIVE_H #define _ASM_X86_ALTERNATIVE_H @@ -103,12 +104,12 @@ static inline int alternatives_text_reserved(void *start, void *end) alt_end_marker ":\n" /* - * max without conditionals. Idea adapted from: + * gas compatible max based on the idea from: * http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax * - * The additional "-" is needed because gas works with s32s. + * The additional "-" is needed because gas uses a "true" value of -1. */ -#define alt_max_short(a, b) "((" a ") ^ (((" a ") ^ (" b ")) & -(-((" a ") - (" b ")))))" +#define alt_max_short(a, b) "((" a ") ^ (((" a ") ^ (" b ")) & -(-((" a ") < (" b ")))))" /* * Pad the second replacement alternative with additional NOPs if it is diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index da181ad1d5f8..fddb6d26239f 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_AMD_NB_H #define _ASM_X86_AMD_NB_H diff --git a/arch/x86/include/asm/apic_flat_64.h b/arch/x86/include/asm/apic_flat_64.h index a2d312796440..d3a2b3876ce6 100644 --- a/arch/x86/include/asm/apic_flat_64.h +++ b/arch/x86/include/asm/apic_flat_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_APIC_FLAT_64_H #define _ASM_X86_APIC_FLAT_64_H diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h index c46bb99d5fb2..05e694ed8386 100644 --- a/arch/x86/include/asm/apicdef.h +++ b/arch/x86/include/asm/apicdef.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_APICDEF_H #define _ASM_X86_APICDEF_H diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h index 93eebc636c76..4d4015ddcf26 100644 --- a/arch/x86/include/asm/apm.h +++ b/arch/x86/include/asm/apm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Machine specific APM BIOS functions for generic. * Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp> diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h index e7cd63175de4..34a10b2d5b73 100644 --- a/arch/x86/include/asm/arch_hweight.h +++ b/arch/x86/include/asm/arch_hweight.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HWEIGHT_H #define _ASM_X86_HWEIGHT_H diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h index 830b19dbfa31..ff700d81e91e 100644 --- a/arch/x86/include/asm/asm-prototypes.h +++ b/arch/x86/include/asm/asm-prototypes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/ftrace.h> #include <linux/uaccess.h> #include <asm/string.h> diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index b0dc91f4bedc..219faaec51df 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ASM_H #define _ASM_X86_ASM_H diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h index 0874ebda3069..72759f131cc5 100644 --- a/arch/x86/include/asm/atomic.h +++ b/arch/x86/include/asm/atomic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ATOMIC_H #define _ASM_X86_ATOMIC_H diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h index 9e206f31ce2a..97c46b8169b7 100644 --- a/arch/x86/include/asm/atomic64_32.h +++ b/arch/x86/include/asm/atomic64_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ATOMIC64_32_H #define _ASM_X86_ATOMIC64_32_H diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h index 5d9de36a2f04..738495caf05f 100644 --- a/arch/x86/include/asm/atomic64_64.h +++ b/arch/x86/include/asm/atomic64_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ATOMIC64_64_H #define _ASM_X86_ATOMIC64_64_H diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index bfb28caf97b1..01727dbc294a 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BARRIER_H #define _ASM_X86_BARRIER_H diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h index 4b7b8e71607e..4d5a17e2febe 100644 --- a/arch/x86/include/asm/bios_ebda.h +++ b/arch/x86/include/asm/bios_ebda.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BIOS_EBDA_H #define _ASM_X86_BIOS_EBDA_H diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 854022772c5b..2bcf47314959 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BITOPS_H #define _ASM_X86_BITOPS_H diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h index abd06b19ddd2..680c320363db 100644 --- a/arch/x86/include/asm/boot.h +++ b/arch/x86/include/asm/boot.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BOOT_H #define _ASM_X86_BOOT_H diff --git a/arch/x86/include/asm/bootparam_utils.h b/arch/x86/include/asm/bootparam_utils.h index 4a8cb8d7cbd5..a07ffd23e4dd 100644 --- a/arch/x86/include/asm/bootparam_utils.h +++ b/arch/x86/include/asm/bootparam_utils.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BOOTPARAM_UTILS_H #define _ASM_X86_BOOTPARAM_UTILS_H diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h index aa6b2023d8f8..34d99af43994 100644 --- a/arch/x86/include/asm/bug.h +++ b/arch/x86/include/asm/bug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BUG_H #define _ASM_X86_BUG_H diff --git a/arch/x86/include/asm/bugs.h b/arch/x86/include/asm/bugs.h index 5490bbaf71d5..542509b53e0f 100644 --- a/arch/x86/include/asm/bugs.h +++ b/arch/x86/include/asm/bugs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BUGS_H #define _ASM_X86_BUGS_H diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h index 48f99f15452e..abe08690a887 100644 --- a/arch/x86/include/asm/cache.h +++ b/arch/x86/include/asm/cache.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CACHE_H #define _ASM_X86_CACHE_H diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h index cb9a1af109b4..63feaf2a5f93 100644 --- a/arch/x86/include/asm/cacheflush.h +++ b/arch/x86/include/asm/cacheflush.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CACHEFLUSH_H #define _ASM_X86_CACHEFLUSH_H diff --git a/arch/x86/include/asm/ce4100.h b/arch/x86/include/asm/ce4100.h index e656ad8c0a2e..2930f560d7f3 100644 --- a/arch/x86/include/asm/ce4100.h +++ b/arch/x86/include/asm/ce4100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_CE4100_H_ #define _ASM_CE4100_H_ diff --git a/arch/x86/include/asm/checksum.h b/arch/x86/include/asm/checksum.h index 5f5bb0f97361..d79d1e622dcf 100644 --- a/arch/x86/include/asm/checksum.h +++ b/arch/x86/include/asm/checksum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_X86_32 # include <asm/checksum_32.h> #else diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h index 7b53743ed267..7a659c74cd03 100644 --- a/arch/x86/include/asm/checksum_32.h +++ b/arch/x86/include/asm/checksum_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CHECKSUM_32_H #define _ASM_X86_CHECKSUM_32_H diff --git a/arch/x86/include/asm/checksum_64.h b/arch/x86/include/asm/checksum_64.h index 08e7efb2c140..3ec6d3267cf9 100644 --- a/arch/x86/include/asm/checksum_64.h +++ b/arch/x86/include/asm/checksum_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CHECKSUM_64_H #define _ASM_X86_CHECKSUM_64_H diff --git a/arch/x86/include/asm/clocksource.h b/arch/x86/include/asm/clocksource.h index 47bea8cadbd0..dc4cfc888d6d 100644 --- a/arch/x86/include/asm/clocksource.h +++ b/arch/x86/include/asm/clocksource.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* x86-specific clocksource additions */ #ifndef _ASM_X86_CLOCKSOURCE_H diff --git a/arch/x86/include/asm/cmdline.h b/arch/x86/include/asm/cmdline.h index 84ae170bc3d0..6faaf27e8899 100644 --- a/arch/x86/include/asm/cmdline.h +++ b/arch/x86/include/asm/cmdline.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CMDLINE_H #define _ASM_X86_CMDLINE_H diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h index b5069e802d5c..56bd436ed01b 100644 --- a/arch/x86/include/asm/cmpxchg.h +++ b/arch/x86/include/asm/cmpxchg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_CMPXCHG_H #define ASM_X86_CMPXCHG_H diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h index e4959d023af8..1732704f0445 100644 --- a/arch/x86/include/asm/cmpxchg_32.h +++ b/arch/x86/include/asm/cmpxchg_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CMPXCHG_32_H #define _ASM_X86_CMPXCHG_32_H diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h index caa23a34c963..03cad196a301 100644 --- a/arch/x86/include/asm/cmpxchg_64.h +++ b/arch/x86/include/asm/cmpxchg_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CMPXCHG_64_H #define _ASM_X86_CMPXCHG_64_H diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h index 5343c19814b3..9eef9cc64c68 100644 --- a/arch/x86/include/asm/compat.h +++ b/arch/x86/include/asm/compat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_COMPAT_H #define _ASM_X86_COMPAT_H diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 9b7fa6313f1a..adc6cc86b062 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CPU_H #define _ASM_X86_CPU_H diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h index ff501e511d91..baeba0567126 100644 --- a/arch/x86/include/asm/cpu_device_id.h +++ b/arch/x86/include/asm/cpu_device_id.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CPU_DEVICE_ID #define _CPU_DEVICE_ID 1 diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index d59c15c3defd..0dfa68438e80 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CPUFEATURE_H #define _ASM_X86_CPUFEATURE_H diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 2519c6c801c9..793690fbda36 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CPUFEATURES_H #define _ASM_X86_CPUFEATURES_H diff --git a/arch/x86/include/asm/cpumask.h b/arch/x86/include/asm/cpumask.h index 61c852fa346b..6722ffcef2e6 100644 --- a/arch/x86/include/asm/cpumask.h +++ b/arch/x86/include/asm/cpumask.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CPUMASK_H #define _ASM_X86_CPUMASK_H #ifndef __ASSEMBLY__ diff --git a/arch/x86/include/asm/crash.h b/arch/x86/include/asm/crash.h index f498411f2500..a7adb2bfbf0b 100644 --- a/arch/x86/include/asm/crash.h +++ b/arch/x86/include/asm/crash.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CRASH_H #define _ASM_X86_CRASH_H diff --git a/arch/x86/include/asm/crypto/aes.h b/arch/x86/include/asm/crypto/aes.h index 80545a1cbe39..c508521dd190 100644 --- a/arch/x86/include/asm/crypto/aes.h +++ b/arch/x86/include/asm/crypto/aes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_AES_H #define ASM_X86_AES_H diff --git a/arch/x86/include/asm/crypto/camellia.h b/arch/x86/include/asm/crypto/camellia.h index bb93333d9200..10f8d590bcfe 100644 --- a/arch/x86/include/asm/crypto/camellia.h +++ b/arch/x86/include/asm/crypto/camellia.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_CAMELLIA_H #define ASM_X86_CAMELLIA_H diff --git a/arch/x86/include/asm/crypto/glue_helper.h b/arch/x86/include/asm/crypto/glue_helper.h index ed8b66de541f..553a03de55c3 100644 --- a/arch/x86/include/asm/crypto/glue_helper.h +++ b/arch/x86/include/asm/crypto/glue_helper.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Shared glue code for 128bit block ciphers */ diff --git a/arch/x86/include/asm/crypto/serpent-avx.h b/arch/x86/include/asm/crypto/serpent-avx.h index 33c2b8a435da..c958b7bd0fcb 100644 --- a/arch/x86/include/asm/crypto/serpent-avx.h +++ b/arch/x86/include/asm/crypto/serpent-avx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_SERPENT_AVX_H #define ASM_X86_SERPENT_AVX_H diff --git a/arch/x86/include/asm/crypto/serpent-sse2.h b/arch/x86/include/asm/crypto/serpent-sse2.h index e6e77dffbdab..1a345e8a7496 100644 --- a/arch/x86/include/asm/crypto/serpent-sse2.h +++ b/arch/x86/include/asm/crypto/serpent-sse2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_SERPENT_SSE2_H #define ASM_X86_SERPENT_SSE2_H diff --git a/arch/x86/include/asm/crypto/twofish.h b/arch/x86/include/asm/crypto/twofish.h index 878c51ceebb5..65bb80adba3e 100644 --- a/arch/x86/include/asm/crypto/twofish.h +++ b/arch/x86/include/asm/crypto/twofish.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_TWOFISH_H #define ASM_X86_TWOFISH_H diff --git a/arch/x86/include/asm/current.h b/arch/x86/include/asm/current.h index 9476c04ee635..3e204e6140b5 100644 --- a/arch/x86/include/asm/current.h +++ b/arch/x86/include/asm/current.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CURRENT_H #define _ASM_X86_CURRENT_H diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h index 12cb66f6d3a5..4505ac2735ad 100644 --- a/arch/x86/include/asm/debugreg.h +++ b/arch/x86/include/asm/debugreg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DEBUGREG_H #define _ASM_X86_DEBUGREG_H diff --git a/arch/x86/include/asm/delay.h b/arch/x86/include/asm/delay.h index 36a760bda462..de9e7841f953 100644 --- a/arch/x86/include/asm/delay.h +++ b/arch/x86/include/asm/delay.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DELAY_H #define _ASM_X86_DELAY_H diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index c474bf4971d9..4011cb03ef08 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DESC_H #define _ASM_X86_DESC_H diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h index 346d252029b7..a91f3b6e4f2a 100644 --- a/arch/x86/include/asm/desc_defs.h +++ b/arch/x86/include/asm/desc_defs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Written 2000 by Andi Kleen */ #ifndef _ASM_X86_DESC_DEFS_H #define _ASM_X86_DESC_DEFS_H diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h index 1b3ef26e77df..5e12c63b47aa 100644 --- a/arch/x86/include/asm/device.h +++ b/arch/x86/include/asm/device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DEVICE_H #define _ASM_X86_DEVICE_H diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h index af95c47d5c9e..20a46150e0a8 100644 --- a/arch/x86/include/asm/div64.h +++ b/arch/x86/include/asm/div64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DIV64_H #define _ASM_X86_DIV64_H diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 1387dafdba2d..836ca1178a6a 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DMA_MAPPING_H #define _ASM_X86_DMA_MAPPING_H diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h index fe884e18fa6e..00f7cf45e699 100644 --- a/arch/x86/include/asm/dma.h +++ b/arch/x86/include/asm/dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/include/asm/dma.h: Defines for using and allocating dma channels. * Written by Hennus Bergman, 1992. diff --git a/arch/x86/include/asm/dmi.h b/arch/x86/include/asm/dmi.h index a8e15b04565b..0ab2ab27ad1f 100644 --- a/arch/x86/include/asm/dmi.h +++ b/arch/x86/include/asm/dmi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DMI_H #define _ASM_X86_DMI_H diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h index b7a1ab865d68..ae391f609840 100644 --- a/arch/x86/include/asm/dwarf2.h +++ b/arch/x86/include/asm/dwarf2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_DWARF2_H #define _ASM_X86_DWARF2_H diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h index cd266d830e49..62be73b23d5c 100644 --- a/arch/x86/include/asm/e820/api.h +++ b/arch/x86/include/asm/e820/api.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_E820_API_H #define _ASM_E820_API_H diff --git a/arch/x86/include/asm/e820/types.h b/arch/x86/include/asm/e820/types.h index 4adeed03a9a1..c3aa4b5e49e2 100644 --- a/arch/x86/include/asm/e820/types.h +++ b/arch/x86/include/asm/e820/types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_E820_TYPES_H #define _ASM_E820_TYPES_H diff --git a/arch/x86/include/asm/edac.h b/arch/x86/include/asm/edac.h index cf8fdf83b231..426fc53ff803 100644 --- a/arch/x86/include/asm/edac.h +++ b/arch/x86/include/asm/edac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_EDAC_H #define _ASM_X86_EDAC_H diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 796ff6c1aa53..85f6ccb80b91 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_EFI_H #define _ASM_X86_EFI_H diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h index 04330c8d9af9..c1a125e47ff3 100644 --- a/arch/x86/include/asm/elf.h +++ b/arch/x86/include/asm/elf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ELF_H #define _ASM_X86_ELF_H diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h index 77a99ac06d00..2abde717db31 100644 --- a/arch/x86/include/asm/emergency-restart.h +++ b/arch/x86/include/asm/emergency-restart.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_EMERGENCY_RESTART_H #define _ASM_X86_EMERGENCY_RESTART_H diff --git a/arch/x86/include/asm/entry_arch.h b/arch/x86/include/asm/entry_arch.h index aa15d1f7e530..416422762845 100644 --- a/arch/x86/include/asm/entry_arch.h +++ b/arch/x86/include/asm/entry_arch.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file is designed to contain the BUILD_INTERRUPT specifications for * all of the extra named interrupt vectors used by the architecture. diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h index ca3ce9ab9385..0211029076ea 100644 --- a/arch/x86/include/asm/espfix.h +++ b/arch/x86/include/asm/espfix.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_ESPFIX_H #define _ASM_X86_ESPFIX_H diff --git a/arch/x86/include/asm/export.h b/arch/x86/include/asm/export.h index 138de56b13eb..2a51d66689c5 100644 --- a/arch/x86/include/asm/export.h +++ b/arch/x86/include/asm/export.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_64BIT #define KSYM_ALIGN 16 #endif diff --git a/arch/x86/include/asm/extable.h b/arch/x86/include/asm/extable.h index c66d19e3c23e..f9c3a5d502f4 100644 --- a/arch/x86/include/asm/extable.h +++ b/arch/x86/include/asm/extable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_EXTABLE_H #define _ASM_X86_EXTABLE_H /* diff --git a/arch/x86/include/asm/fb.h b/arch/x86/include/asm/fb.h index c3dd5e71f439..ab4c960146e3 100644 --- a/arch/x86/include/asm/fb.h +++ b/arch/x86/include/asm/fb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_FB_H #define _ASM_X86_FB_H diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h index 0877ae018fc9..a9caac9d4a72 100644 --- a/arch/x86/include/asm/fpu/api.h +++ b/arch/x86/include/asm/fpu/api.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 1994 Linus Torvalds * diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index e3221ffa304e..a38bf5a1e37a 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 1994 Linus Torvalds * diff --git a/arch/x86/include/asm/fpu/regset.h b/arch/x86/include/asm/fpu/regset.h index 39d3107ac6c7..d5bdffb9d27f 100644 --- a/arch/x86/include/asm/fpu/regset.h +++ b/arch/x86/include/asm/fpu/regset.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * FPU regset handling methods: */ diff --git a/arch/x86/include/asm/fpu/signal.h b/arch/x86/include/asm/fpu/signal.h index 20a1fbf7fe4e..4df2754ef380 100644 --- a/arch/x86/include/asm/fpu/signal.h +++ b/arch/x86/include/asm/fpu/signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * x86 FPU signal frame handling methods: */ diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index a1520575d86b..202c53918ecf 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * FPU data structures: */ diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h index 83fee2469eb7..48581988d78c 100644 --- a/arch/x86/include/asm/fpu/xstate.h +++ b/arch/x86/include/asm/fpu/xstate.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_X86_XSAVE_H #define __ASM_X86_XSAVE_H diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h index 6e4d170726b7..5cbce6fbb534 100644 --- a/arch/x86/include/asm/frame.h +++ b/arch/x86/include/asm/frame.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_FRAME_H #define _ASM_X86_FRAME_H diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index eccd0ac6bc38..09ad88572746 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_FTRACE_H #define _ASM_X86_FTRACE_H diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h index f4dc9b63bdda..de4d68852d3a 100644 --- a/arch/x86/include/asm/futex.h +++ b/arch/x86/include/asm/futex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_FUTEX_H #define _ASM_X86_FUTEX_H diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h index 1d268098ac2e..318556574345 100644 --- a/arch/x86/include/asm/gart.h +++ b/arch/x86/include/asm/gart.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_GART_H #define _ASM_X86_GART_H diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h index ad1ed531febc..51cc979dd364 100644 --- a/arch/x86/include/asm/hardirq.h +++ b/arch/x86/include/asm/hardirq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HARDIRQ_H #define _ASM_X86_HARDIRQ_H diff --git a/arch/x86/include/asm/highmem.h b/arch/x86/include/asm/highmem.h index 1c0b43724ce3..a8059930056d 100644 --- a/arch/x86/include/asm/highmem.h +++ b/arch/x86/include/asm/highmem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * highmem.h: virtual kernel memory mappings for high memory * diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h index cc285ec4b2c1..67385d56d4f4 100644 --- a/arch/x86/include/asm/hpet.h +++ b/arch/x86/include/asm/hpet.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HPET_H #define _ASM_X86_HPET_H diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index 535af0f2d8ac..5ed826da5e07 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HUGETLB_H #define _ASM_X86_HUGETLB_H diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h index 6c98be864a75..f59c39835a5a 100644 --- a/arch/x86/include/asm/hw_breakpoint.h +++ b/arch/x86/include/asm/hw_breakpoint.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _I386_HW_BREAKPOINT_H #define _I386_HW_BREAKPOINT_H diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 661540a93072..b80e46733909 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HW_IRQ_H #define _ASM_X86_HW_IRQ_H diff --git a/arch/x86/include/asm/hypertransport.h b/arch/x86/include/asm/hypertransport.h index 334b1a885d9c..5d55df352879 100644 --- a/arch/x86/include/asm/hypertransport.h +++ b/arch/x86/include/asm/hypertransport.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HYPERTRANSPORT_H #define _ASM_X86_HYPERTRANSPORT_H diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h index 39bcefc20de7..c8376b40e882 100644 --- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_I8259_H #define _ASM_X86_I8259_H diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h index a9bdf5569ab3..2c5f7861d373 100644 --- a/arch/x86/include/asm/ia32.h +++ b/arch/x86/include/asm/ia32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IA32_H #define _ASM_X86_IA32_H diff --git a/arch/x86/include/asm/ia32_unistd.h b/arch/x86/include/asm/ia32_unistd.h index b0d5716ca1e4..aa065c94ccf5 100644 --- a/arch/x86/include/asm/ia32_unistd.h +++ b/arch/x86/include/asm/ia32_unistd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IA32_UNISTD_H #define _ASM_X86_IA32_UNISTD_H diff --git a/arch/x86/include/asm/init.h b/arch/x86/include/asm/init.h index 05c4aa00cc86..5f1d3c421f68 100644 --- a/arch/x86/include/asm/init.h +++ b/arch/x86/include/asm/init.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INIT_H #define _ASM_X86_INIT_H diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h index 3e115273ed88..f5a796da07f8 100644 --- a/arch/x86/include/asm/inst.h +++ b/arch/x86/include/asm/inst.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Generate .byte code for some instructions not supported by old * binutils. diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h index 75b748a1deb8..35a6bc4da8ad 100644 --- a/arch/x86/include/asm/intel-family.h +++ b/arch/x86/include/asm/intel-family.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_FAMILY_H #define _ASM_X86_INTEL_FAMILY_H diff --git a/arch/x86/include/asm/intel_mid_vrtc.h b/arch/x86/include/asm/intel_mid_vrtc.h index 86ff4685c409..35555016b1be 100644 --- a/arch/x86/include/asm/intel_mid_vrtc.h +++ b/arch/x86/include/asm/intel_mid_vrtc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _INTEL_MID_VRTC_H #define _INTEL_MID_VRTC_H diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h index fac89eb78a6b..528ed4be4393 100644 --- a/arch/x86/include/asm/intel_pmc_ipc.h +++ b/arch/x86/include/asm/intel_pmc_ipc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_PMC_IPC_H_ #define _ASM_X86_INTEL_PMC_IPC_H_ diff --git a/arch/x86/include/asm/intel_pt.h b/arch/x86/include/asm/intel_pt.h index e1a411786bf5..b523f51c5400 100644 --- a/arch/x86/include/asm/intel_pt.h +++ b/arch/x86/include/asm/intel_pt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_PT_H #define _ASM_X86_INTEL_PT_H diff --git a/arch/x86/include/asm/intel_punit_ipc.h b/arch/x86/include/asm/intel_punit_ipc.h index 201eb9dce595..ce16da719596 100644 --- a/arch/x86/include/asm/intel_punit_ipc.h +++ b/arch/x86/include/asm/intel_punit_ipc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_PUNIT_IPC_H_ #define _ASM_X86_INTEL_PUNIT_IPC_H_ diff --git a/arch/x86/include/asm/intel_rdt_sched.h b/arch/x86/include/asm/intel_rdt_sched.h index b4bbf8b21512..9acb06b6f81e 100644 --- a/arch/x86/include/asm/intel_rdt_sched.h +++ b/arch/x86/include/asm/intel_rdt_sched.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_RDT_SCHED_H #define _ASM_X86_INTEL_RDT_SCHED_H diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h index 81d3d8776fd9..4a8c6e817398 100644 --- a/arch/x86/include/asm/intel_scu_ipc.h +++ b/arch/x86/include/asm/intel_scu_ipc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_SCU_IPC_H_ #define _ASM_X86_INTEL_SCU_IPC_H_ diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index c40a95c33bb8..11398d55aefa 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IO_H #define _ASM_X86_IO_H diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 731c686de37c..a8834dd546cd 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IO_APIC_H #define _ASM_X86_IO_APIC_H diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h index fca144a104e4..1e5d5d92eb40 100644 --- a/arch/x86/include/asm/iommu.h +++ b/arch/x86/include/asm/iommu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IOMMU_H #define _ASM_X86_IOMMU_H diff --git a/arch/x86/include/asm/iommu_table.h b/arch/x86/include/asm/iommu_table.h index e37d6b3ad983..1fb3fd1a83c2 100644 --- a/arch/x86/include/asm/iommu_table.h +++ b/arch/x86/include/asm/iommu_table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IOMMU_TABLE_H #define _ASM_X86_IOMMU_TABLE_H diff --git a/arch/x86/include/asm/iosf_mbi.h b/arch/x86/include/asm/iosf_mbi.h index c313cac36f56..7d87437bd030 100644 --- a/arch/x86/include/asm/iosf_mbi.h +++ b/arch/x86/include/asm/iosf_mbi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Intel OnChip System Fabric MailBox access support */ diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h index 1002a3e8fccc..2395bb794c7b 100644 --- a/arch/x86/include/asm/irq.h +++ b/arch/x86/include/asm/irq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IRQ_H #define _ASM_X86_IRQ_H /* diff --git a/arch/x86/include/asm/irq_regs.h b/arch/x86/include/asm/irq_regs.h index d82250b1debb..8f3bee821e6c 100644 --- a/arch/x86/include/asm/irq_regs.h +++ b/arch/x86/include/asm/irq_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Per-cpu current frame pointer - the location of the last exception frame on * the stack, stored in the per-cpu area. diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 1e9bd28f842d..67421f649cfa 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IRQ_VECTORS_H #define _ASM_X86_IRQ_VECTORS_H diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h index ddbb8ea0f5a9..800ffce0db29 100644 --- a/arch/x86/include/asm/irq_work.h +++ b/arch/x86/include/asm/irq_work.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_IRQ_WORK_H #define _ASM_IRQ_WORK_H diff --git a/arch/x86/include/asm/irqdomain.h b/arch/x86/include/asm/irqdomain.h index 73e9c42ce63b..f695cc6b8e1f 100644 --- a/arch/x86/include/asm/irqdomain.h +++ b/arch/x86/include/asm/irqdomain.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_IRQDOMAIN_H #define _ASM_IRQDOMAIN_H diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h index ac7692dcfa2e..c8ef23f2c28f 100644 --- a/arch/x86/include/asm/irqflags.h +++ b/arch/x86/include/asm/irqflags.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _X86_IRQFLAGS_H_ #define _X86_IRQFLAGS_H_ diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h index adc54c12cbd1..8c0de4282659 100644 --- a/arch/x86/include/asm/jump_label.h +++ b/arch/x86/include/asm/jump_label.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_JUMP_LABEL_H #define _ASM_X86_JUMP_LABEL_H diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h index f527b02a0ee3..b577dd0916aa 100644 --- a/arch/x86/include/asm/kasan.h +++ b/arch/x86/include/asm/kasan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KASAN_H #define _ASM_X86_KASAN_H diff --git a/arch/x86/include/asm/kaslr.h b/arch/x86/include/asm/kaslr.h index 1052a797d71d..460991e3b529 100644 --- a/arch/x86/include/asm/kaslr.h +++ b/arch/x86/include/asm/kaslr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_KASLR_H_ #define _ASM_KASLR_H_ diff --git a/arch/x86/include/asm/kbdleds.h b/arch/x86/include/asm/kbdleds.h index f27ac5ff597d..197ea4fedd53 100644 --- a/arch/x86/include/asm/kbdleds.h +++ b/arch/x86/include/asm/kbdleds.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KBDLEDS_H #define _ASM_X86_KBDLEDS_H diff --git a/arch/x86/include/asm/kdebug.h b/arch/x86/include/asm/kdebug.h index 29a594a3b82a..f86a8caa561e 100644 --- a/arch/x86/include/asm/kdebug.h +++ b/arch/x86/include/asm/kdebug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KDEBUG_H #define _ASM_X86_KDEBUG_H diff --git a/arch/x86/include/asm/kexec-bzimage64.h b/arch/x86/include/asm/kexec-bzimage64.h index d1b5d194e31d..9f07cff43705 100644 --- a/arch/x86/include/asm/kexec-bzimage64.h +++ b/arch/x86/include/asm/kexec-bzimage64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_KEXEC_BZIMAGE64_H #define _ASM_KEXEC_BZIMAGE64_H diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h index 942c1f444da8..f327236f0fa7 100644 --- a/arch/x86/include/asm/kexec.h +++ b/arch/x86/include/asm/kexec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KEXEC_H #define _ASM_X86_KEXEC_H diff --git a/arch/x86/include/asm/kgdb.h b/arch/x86/include/asm/kgdb.h index 22a8537eb780..aacaf2502bd2 100644 --- a/arch/x86/include/asm/kgdb.h +++ b/arch/x86/include/asm/kgdb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KGDB_H #define _ASM_X86_KGDB_H diff --git a/arch/x86/include/asm/kmap_types.h b/arch/x86/include/asm/kmap_types.h index 9e00a731a7fb..04ab8266e347 100644 --- a/arch/x86/include/asm/kmap_types.h +++ b/arch/x86/include/asm/kmap_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KMAP_TYPES_H #define _ASM_X86_KMAP_TYPES_H diff --git a/arch/x86/include/asm/kmemcheck.h b/arch/x86/include/asm/kmemcheck.h index ed01518f297e..945a0337fbcf 100644 --- a/arch/x86/include/asm/kmemcheck.h +++ b/arch/x86/include/asm/kmemcheck.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_X86_KMEMCHECK_H #define ASM_X86_KMEMCHECK_H diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index fa2558e12024..ee23a43386a2 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * x86_emulate.h * diff --git a/arch/x86/include/asm/kvm_guest.h b/arch/x86/include/asm/kvm_guest.h index a92b1763c419..46185263d9c2 100644 --- a/arch/x86/include/asm/kvm_guest.h +++ b/arch/x86/include/asm/kvm_guest.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KVM_GUEST_H #define _ASM_X86_KVM_GUEST_H diff --git a/arch/x86/include/asm/kvm_page_track.h b/arch/x86/include/asm/kvm_page_track.h index c4eda791f877..172f9749dbb2 100644 --- a/arch/x86/include/asm/kvm_page_track.h +++ b/arch/x86/include/asm/kvm_page_track.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KVM_PAGE_TRACK_H #define _ASM_X86_KVM_PAGE_TRACK_H diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h index 59ad3d132353..c373e44049b1 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KVM_PARA_H #define _ASM_X86_KVM_PARA_H diff --git a/arch/x86/include/asm/kvmclock.h b/arch/x86/include/asm/kvmclock.h index f260bef63591..eceea9299097 100644 --- a/arch/x86/include/asm/kvmclock.h +++ b/arch/x86/include/asm/kvmclock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_KVM_CLOCK_H #define _ASM_X86_KVM_CLOCK_H diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h index 0ccb26dda126..14caa9d9fb7f 100644 --- a/arch/x86/include/asm/linkage.h +++ b/arch/x86/include/asm/linkage.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_LINKAGE_H #define _ASM_X86_LINKAGE_H diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h index 7511978093eb..c91083c59845 100644 --- a/arch/x86/include/asm/local.h +++ b/arch/x86/include/asm/local.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_LOCAL_H #define _ASM_X86_LOCAL_H diff --git a/arch/x86/include/asm/mach_timer.h b/arch/x86/include/asm/mach_timer.h index 88d0c3c74c13..044daf6fb8f6 100644 --- a/arch/x86/include/asm/mach_timer.h +++ b/arch/x86/include/asm/mach_timer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Machine specific calibrate_tsc() for generic. * Split out from timer_tsc.c by Osamu Tomita <tomita@cinet.co.jp> diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h index a01e7ec7d237..e39a517467cd 100644 --- a/arch/x86/include/asm/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Machine specific NMI handling for generic. * Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp> diff --git a/arch/x86/include/asm/math_emu.h b/arch/x86/include/asm/math_emu.h index 0d9b14f60d2c..3c42743083ed 100644 --- a/arch/x86/include/asm/math_emu.h +++ b/arch/x86/include/asm/math_emu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MATH_EMU_H #define _ASM_X86_MATH_EMU_H diff --git a/arch/x86/include/asm/mc146818rtc.h b/arch/x86/include/asm/mc146818rtc.h index 24acd9ba7837..1775a32f7ea6 100644 --- a/arch/x86/include/asm/mc146818rtc.h +++ b/arch/x86/include/asm/mc146818rtc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Machine dependent access functions for RTC registers. */ diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 181264989db5..b1e8d8db921f 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MCE_H #define _ASM_X86_MCE_H @@ -187,7 +188,6 @@ struct mca_msr_regs { extern struct mce_vendor_flags mce_flags; -extern struct mca_config mca_cfg; extern struct mca_msr_regs msr_ops; enum mce_notifier_prios { diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h index daadeeea00b1..55520cec8b27 100644 --- a/arch/x86/include/asm/microcode.h +++ b/arch/x86/include/asm/microcode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MICROCODE_H #define _ASM_X86_MICROCODE_H diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h index 3d57009e168b..209492849566 100644 --- a/arch/x86/include/asm/microcode_amd.h +++ b/arch/x86/include/asm/microcode_amd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MICROCODE_AMD_H #define _ASM_X86_MICROCODE_AMD_H diff --git a/arch/x86/include/asm/microcode_intel.h b/arch/x86/include/asm/microcode_intel.h index e793fc9a9b20..d85a07d7154f 100644 --- a/arch/x86/include/asm/microcode_intel.h +++ b/arch/x86/include/asm/microcode_intel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MICROCODE_INTEL_H #define _ASM_X86_MICROCODE_INTEL_H diff --git a/arch/x86/include/asm/misc.h b/arch/x86/include/asm/misc.h index 475f5bbc7f53..bb049cca3729 100644 --- a/arch/x86/include/asm/misc.h +++ b/arch/x86/include/asm/misc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MISC_H #define _ASM_X86_MISC_H diff --git a/arch/x86/include/asm/mmconfig.h b/arch/x86/include/asm/mmconfig.h index 04a3fed22cfe..976486447e10 100644 --- a/arch/x86/include/asm/mmconfig.h +++ b/arch/x86/include/asm/mmconfig.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MMCONFIG_H #define _ASM_X86_MMCONFIG_H diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h index bb8c597c2248..9ea26f167497 100644 --- a/arch/x86/include/asm/mmu.h +++ b/arch/x86/include/asm/mmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MMU_H #define _ASM_X86_MMU_H diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index c120b5db178a..6699fc441644 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MMU_CONTEXT_H #define _ASM_X86_MMU_CONTEXT_H @@ -126,13 +127,7 @@ static inline void switch_ldt(struct mm_struct *prev, struct mm_struct *next) DEBUG_LOCKS_WARN_ON(preemptible()); } -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ - int cpu = smp_processor_id(); - - if (cpumask_test_cpu(cpu, mm_cpumask(mm))) - cpumask_clear_cpu(cpu, mm_cpumask(mm)); -} +void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk); static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) diff --git a/arch/x86/include/asm/mmx.h b/arch/x86/include/asm/mmx.h index 5cbf3135b971..f572d0f944bb 100644 --- a/arch/x86/include/asm/mmx.h +++ b/arch/x86/include/asm/mmx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MMX_H #define _ASM_X86_MMX_H diff --git a/arch/x86/include/asm/mmzone.h b/arch/x86/include/asm/mmzone.h index d497bc425cae..c41b41edd691 100644 --- a/arch/x86/include/asm/mmzone.h +++ b/arch/x86/include/asm/mmzone.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_X86_32 # include <asm/mmzone_32.h> #else diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 1ec990bd7dc0..73d8dd14dda2 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Written by Pat Gaughen (gone@us.ibm.com) Mar 2002 * diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h index 129d9aa3ceb3..0c585046f744 100644 --- a/arch/x86/include/asm/mmzone_64.h +++ b/arch/x86/include/asm/mmzone_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* K8 NUMA support */ /* Copyright 2002,2003 by Andi Kleen, SuSE Labs */ /* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */ diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h index 9eb7c718aaf8..8546fafa21a9 100644 --- a/arch/x86/include/asm/module.h +++ b/arch/x86/include/asm/module.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MODULE_H #define _ASM_X86_MODULE_H diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h index c471ca1f9412..606cbaebd336 100644 --- a/arch/x86/include/asm/mpspec.h +++ b/arch/x86/include/asm/mpspec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MPSPEC_H #define _ASM_X86_MPSPEC_H diff --git a/arch/x86/include/asm/mpspec_def.h b/arch/x86/include/asm/mpspec_def.h index b31f8c098271..9492893aec52 100644 --- a/arch/x86/include/asm/mpspec_def.h +++ b/arch/x86/include/asm/mpspec_def.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MPSPEC_DEF_H #define _ASM_X86_MPSPEC_DEF_H diff --git a/arch/x86/include/asm/mpx.h b/arch/x86/include/asm/mpx.h index 7d7404756bb4..61eb4b63c5ec 100644 --- a/arch/x86/include/asm/mpx.h +++ b/arch/x86/include/asm/mpx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MPX_H #define _ASM_X86_MPX_H diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index 738503e1f80c..581bb54dd464 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MSHYPER_H #define _ASM_X86_MSHYPER_H @@ -289,6 +290,7 @@ static inline u64 hv_do_rep_hypercall(u16 code, u16 rep_count, u16 varhead_size, * to this information. */ extern u32 *hv_vp_index; +extern u32 hv_max_vp_index; /** * hv_cpu_number_to_vp_number() - Map CPU to VP. diff --git a/arch/x86/include/asm/msi.h b/arch/x86/include/asm/msi.h index eb4b09b41df5..25ddd0916bb2 100644 --- a/arch/x86/include/asm/msi.h +++ b/arch/x86/include/asm/msi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MSI_H #define _ASM_X86_MSI_H #include <asm/hw_irq.h> diff --git a/arch/x86/include/asm/msidef.h b/arch/x86/include/asm/msidef.h index 4cc48af23fef..ee2f8ccc32d0 100644 --- a/arch/x86/include/asm/msidef.h +++ b/arch/x86/include/asm/msidef.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MSIDEF_H #define _ASM_X86_MSIDEF_H diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 17f5c12e1afd..ab022618a50a 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MSR_INDEX_H #define _ASM_X86_MSR_INDEX_H diff --git a/arch/x86/include/asm/msr-trace.h b/arch/x86/include/asm/msr-trace.h index 7567225747d8..f6adbe96856a 100644 --- a/arch/x86/include/asm/msr-trace.h +++ b/arch/x86/include/asm/msr-trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM msr diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 898dba2e2e2c..07962f5f6fba 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MSR_H #define _ASM_X86_MSR_H diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h index bda3c27f0da0..39a2fb29378a 100644 --- a/arch/x86/include/asm/mwait.h +++ b/arch/x86/include/asm/mwait.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MWAIT_H #define _ASM_X86_MWAIT_H diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h index 5f2fc4441b11..75ded1d13d98 100644 --- a/arch/x86/include/asm/nmi.h +++ b/arch/x86/include/asm/nmi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_NMI_H #define _ASM_X86_NMI_H diff --git a/arch/x86/include/asm/nops.h b/arch/x86/include/asm/nops.h index aff2b3356101..12f12b5cf2ca 100644 --- a/arch/x86/include/asm/nops.h +++ b/arch/x86/include/asm/nops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_NOPS_H #define _ASM_X86_NOPS_H diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h index 01b493e5a99b..bbfde3d2662f 100644 --- a/arch/x86/include/asm/numa.h +++ b/arch/x86/include/asm/numa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_NUMA_H #define _ASM_X86_NUMA_H diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h index e7d6b8254742..9c8e9e85be77 100644 --- a/arch/x86/include/asm/numa_32.h +++ b/arch/x86/include/asm/numa_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_NUMA_32_H #define _ASM_X86_NUMA_32_H diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h index 72f9adf6eca4..c2bf1de5d901 100644 --- a/arch/x86/include/asm/olpc.h +++ b/arch/x86/include/asm/olpc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* OLPC machine specific definitions */ #ifndef _ASM_X86_OLPC_H diff --git a/arch/x86/include/asm/olpc_ofw.h b/arch/x86/include/asm/olpc_ofw.h index 24487712e0b1..8c2a1daf7f72 100644 --- a/arch/x86/include/asm/olpc_ofw.h +++ b/arch/x86/include/asm/olpc_ofw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_OLPC_OFW_H #define _ASM_X86_OLPC_OFW_H diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h index cf8f619b305f..7555b48803a8 100644 --- a/arch/x86/include/asm/page.h +++ b/arch/x86/include/asm/page.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAGE_H #define _ASM_X86_PAGE_H diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h index 904f528cc8e8..94dbd51df58f 100644 --- a/arch/x86/include/asm/page_32.h +++ b/arch/x86/include/asm/page_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAGE_32_H #define _ASM_X86_PAGE_32_H diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h index 3bae4969ac65..aa30c3241ea7 100644 --- a/arch/x86/include/asm/page_32_types.h +++ b/arch/x86/include/asm/page_32_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAGE_32_DEFS_H #define _ASM_X86_PAGE_32_DEFS_H diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index b50df06ad251..4baa6bceb232 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAGE_64_H #define _ASM_X86_PAGE_64_H diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h index 3f5f08b010d0..e1407312c412 100644 --- a/arch/x86/include/asm/page_64_types.h +++ b/arch/x86/include/asm/page_64_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAGE_64_DEFS_H #define _ASM_X86_PAGE_64_DEFS_H diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h index b98ed9d14630..1e53560a84bb 100644 --- a/arch/x86/include/asm/page_types.h +++ b/arch/x86/include/asm/page_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAGE_DEFS_H #define _ASM_X86_PAGE_DEFS_H diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 12deec722cf0..fd81228e8037 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PARAVIRT_H #define _ASM_X86_PARAVIRT_H /* Various instructions on x86 need to be replaced for diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 280d94c36dad..10cc3b9709fe 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PARAVIRT_TYPES_H #define _ASM_X86_PARAVIRT_TYPES_H diff --git a/arch/x86/include/asm/parport.h b/arch/x86/include/asm/parport.h index 0d2d3b29118f..163f78259a7e 100644 --- a/arch/x86/include/asm/parport.h +++ b/arch/x86/include/asm/parport.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PARPORT_H #define _ASM_X86_PARPORT_H diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h index fffb2794dd89..8a3ee355b422 100644 --- a/arch/x86/include/asm/pat.h +++ b/arch/x86/include/asm/pat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PAT_H #define _ASM_X86_PAT_H diff --git a/arch/x86/include/asm/pci-direct.h b/arch/x86/include/asm/pci-direct.h index b1e7a45d868a..e1084f71a295 100644 --- a/arch/x86/include/asm/pci-direct.h +++ b/arch/x86/include/asm/pci-direct.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PCI_DIRECT_H #define _ASM_X86_PCI_DIRECT_H diff --git a/arch/x86/include/asm/pci-functions.h b/arch/x86/include/asm/pci-functions.h index ed0bab427354..1bbc10812ae1 100644 --- a/arch/x86/include/asm/pci-functions.h +++ b/arch/x86/include/asm/pci-functions.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * PCI BIOS function numbering for conventional PCI BIOS * systems diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 473a7295ab10..09c06b0fb964 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PCI_H #define _ASM_X86_PCI_H diff --git a/arch/x86/include/asm/pci_64.h b/arch/x86/include/asm/pci_64.h index fe15cfb21b9b..f5411de0ae11 100644 --- a/arch/x86/include/asm/pci_64.h +++ b/arch/x86/include/asm/pci_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PCI_64_H #define _ASM_X86_PCI_64_H diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h index 9f1b21f372fe..7a5d6695abd3 100644 --- a/arch/x86/include/asm/pci_x86.h +++ b/arch/x86/include/asm/pci_x86.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Low-Level PCI Access for i386 machines. * diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 9fa03604b2b3..377f1ffd18be 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PERCPU_H #define _ASM_X86_PERCPU_H diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index f353061bba1d..12f54082f4c8 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PERF_EVENT_H #define _ASM_X86_PERF_EVENT_H diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h index d725382c2ae0..94de1a05aeba 100644 --- a/arch/x86/include/asm/perf_event_p4.h +++ b/arch/x86/include/asm/perf_event_p4.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Netburst Performance Events (P4, old Xeon) */ diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h index b2d0cd8288aa..4b5e1eafada7 100644 --- a/arch/x86/include/asm/pgalloc.h +++ b/arch/x86/include/asm/pgalloc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGALLOC_H #define _ASM_X86_PGALLOC_H diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index a8b96e708c2b..685ffe8a0eaf 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_2LEVEL_H #define _ASM_X86_PGTABLE_2LEVEL_H diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h index 373ab1de909f..f982ef808e7e 100644 --- a/arch/x86/include/asm/pgtable-2level_types.h +++ b/arch/x86/include/asm/pgtable-2level_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index c8821bab938f..bc4af5453802 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_3LEVEL_H #define _ASM_X86_PGTABLE_3LEVEL_H diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h index b8a4341faafa..876b4c77d983 100644 --- a/arch/x86/include/asm/pgtable-3level_types.h +++ b/arch/x86/include/asm/pgtable-3level_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index b714934512b3..f735c3016325 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_H #define _ASM_X86_PGTABLE_H diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index bfab55675c16..e67c0620aec2 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_32_H #define _ASM_X86_PGTABLE_32_H diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h index 9fb2f2bc8245..f2ca9b28fd68 100644 --- a/arch/x86/include/asm/pgtable_32_types.h +++ b/arch/x86/include/asm/pgtable_32_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_32_DEFS_H #define _ASM_X86_PGTABLE_32_DEFS_H diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 972a4698c530..e9f05331e732 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_64_H #define _ASM_X86_PGTABLE_64_H diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h index 06470da156ba..6d5f45dcd4a1 100644 --- a/arch/x86/include/asm/pgtable_64_types.h +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_64_DEFS_H #define _ASM_X86_PGTABLE_64_DEFS_H diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index f1492473f10e..59df7b47a434 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PGTABLE_DEFS_H #define _ASM_X86_PGTABLE_DEFS_H diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h index b3b09b98896d..a0ba1ffda0df 100644 --- a/arch/x86/include/asm/pkeys.h +++ b/arch/x86/include/asm/pkeys.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PKEYS_H #define _ASM_X86_PKEYS_H diff --git a/arch/x86/include/asm/pm-trace.h b/arch/x86/include/asm/pm-trace.h index 7b7ac42c3661..bfa32aa428e5 100644 --- a/arch/x86/include/asm/pm-trace.h +++ b/arch/x86/include/asm/pm-trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PM_TRACE_H #define _ASM_X86_PM_TRACE_H diff --git a/arch/x86/include/asm/posix_types.h b/arch/x86/include/asm/posix_types.h index f565f6dd59d4..374336e217ff 100644 --- a/arch/x86/include/asm/posix_types.h +++ b/arch/x86/include/asm/posix_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ # ifdef CONFIG_X86_32 # include <asm/posix_types_32.h> # else diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h index 4f44505dbf87..7f2dbd91fc74 100644 --- a/arch/x86/include/asm/preempt.h +++ b/arch/x86/include/asm/preempt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_PREEMPT_H #define __ASM_PREEMPT_H diff --git a/arch/x86/include/asm/probe_roms.h b/arch/x86/include/asm/probe_roms.h index 4950a0b1d09c..1c7f3815bbd6 100644 --- a/arch/x86/include/asm/probe_roms.h +++ b/arch/x86/include/asm/probe_roms.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PROBE_ROMS_H_ #define _PROBE_ROMS_H_ struct pci_dev; diff --git a/arch/x86/include/asm/processor-cyrix.h b/arch/x86/include/asm/processor-cyrix.h index 1198f2a0e42c..aaedd73ea2c6 100644 --- a/arch/x86/include/asm/processor-cyrix.h +++ b/arch/x86/include/asm/processor-cyrix.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * NSC/Cyrix CPU indexed register access. Must be inlined instead of * macros to ensure correct access ordering diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h index dc723b64acf0..43212a43ee69 100644 --- a/arch/x86/include/asm/processor-flags.h +++ b/arch/x86/include/asm/processor-flags.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PROCESSOR_FLAGS_H #define _ASM_X86_PROCESSOR_FLAGS_H diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index b390ff76e58f..bdac19ab2488 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PROCESSOR_H #define _ASM_X86_PROCESSOR_H diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h index b408b1886195..6e81788a30c1 100644 --- a/arch/x86/include/asm/proto.h +++ b/arch/x86/include/asm/proto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PROTO_H #define _ASM_X86_PROTO_H diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 91c04c8e67fa..c0e3c45cf6ab 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PTRACE_H #define _ASM_X86_PTRACE_H diff --git a/arch/x86/include/asm/purgatory.h b/arch/x86/include/asm/purgatory.h index d7da2729903d..92c34e517da1 100644 --- a/arch/x86/include/asm/purgatory.h +++ b/arch/x86/include/asm/purgatory.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PURGATORY_H #define _ASM_X86_PURGATORY_H diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h index 67f08230103a..1436226efe3e 100644 --- a/arch/x86/include/asm/pvclock-abi.h +++ b/arch/x86/include/asm/pvclock-abi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PVCLOCK_ABI_H #define _ASM_X86_PVCLOCK_ABI_H #ifndef __ASSEMBLY__ diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h index 448cfe1b48cf..3e4ed8fb5f91 100644 --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PVCLOCK_H #define _ASM_X86_PVCLOCK_H diff --git a/arch/x86/include/asm/qrwlock.h b/arch/x86/include/asm/qrwlock.h index c537cbb038a7..8656b5a6e8e7 100644 --- a/arch/x86/include/asm/qrwlock.h +++ b/arch/x86/include/asm/qrwlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_QRWLOCK_H #define _ASM_X86_QRWLOCK_H diff --git a/arch/x86/include/asm/qspinlock.h b/arch/x86/include/asm/qspinlock.h index 48a706f641f2..9982dd96f093 100644 --- a/arch/x86/include/asm/qspinlock.h +++ b/arch/x86/include/asm/qspinlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_QSPINLOCK_H #define _ASM_X86_QSPINLOCK_H diff --git a/arch/x86/include/asm/qspinlock_paravirt.h b/arch/x86/include/asm/qspinlock_paravirt.h index 9d55f9b6e167..923307ea11c7 100644 --- a/arch/x86/include/asm/qspinlock_paravirt.h +++ b/arch/x86/include/asm/qspinlock_paravirt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_QSPINLOCK_PARAVIRT_H #define __ASM_QSPINLOCK_PARAVIRT_H diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h index 90d91520c13a..63b3393bd98e 100644 --- a/arch/x86/include/asm/realmode.h +++ b/arch/x86/include/asm/realmode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ARCH_X86_REALMODE_H #define _ARCH_X86_REALMODE_H diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h index fc62ba8dce93..a671a1145906 100644 --- a/arch/x86/include/asm/reboot.h +++ b/arch/x86/include/asm/reboot.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_REBOOT_H #define _ASM_X86_REBOOT_H diff --git a/arch/x86/include/asm/reboot_fixups.h b/arch/x86/include/asm/reboot_fixups.h index 765debe4c54c..96515658ce12 100644 --- a/arch/x86/include/asm/reboot_fixups.h +++ b/arch/x86/include/asm/reboot_fixups.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_REBOOT_FIXUPS_H #define _ASM_X86_REBOOT_FIXUPS_H diff --git a/arch/x86/include/asm/rio.h b/arch/x86/include/asm/rio.h index 97bab6388a92..0a21986d2238 100644 --- a/arch/x86/include/asm/rio.h +++ b/arch/x86/include/asm/rio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Derived from include/asm-x86/mach-summit/mach_mpparse.h * and include/asm-x86/mach-default/bios_ebda.h diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h index 045f99211a99..d8f3a6ae9f6c 100644 --- a/arch/x86/include/asm/rmwcc.h +++ b/arch/x86/include/asm/rmwcc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_RMWcc #define _ASM_X86_RMWcc diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index 7116b7931c7b..4d38d85a16ad 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* rwsem.h: R/W semaphores implemented using XADD/CMPXCHG for i486+ * * Written by David Howells (dhowells@redhat.com). diff --git a/arch/x86/include/asm/seccomp.h b/arch/x86/include/asm/seccomp.h index 0c8c7c8861b4..2bd1338de236 100644 --- a/arch/x86/include/asm/seccomp.h +++ b/arch/x86/include/asm/seccomp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SECCOMP_H #define _ASM_X86_SECCOMP_H diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h index 2f75f30cb2f6..d6baf23782bc 100644 --- a/arch/x86/include/asm/sections.h +++ b/arch/x86/include/asm/sections.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SECTIONS_H #define _ASM_X86_SECTIONS_H diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index 066aaf813141..b20f9d623f9c 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SEGMENT_H #define _ASM_X86_SEGMENT_H diff --git a/arch/x86/include/asm/serial.h b/arch/x86/include/asm/serial.h index bb658211edad..ece8299d2695 100644 --- a/arch/x86/include/asm/serial.h +++ b/arch/x86/include/asm/serial.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SERIAL_H #define _ASM_X86_SERIAL_H diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h index cd71273ec49d..bd090367236c 100644 --- a/arch/x86/include/asm/set_memory.h +++ b/arch/x86/include/asm/set_memory.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SET_MEMORY_H #define _ASM_X86_SET_MEMORY_H diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index a65cf544686a..ae13bc974416 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SETUP_H #define _ASM_X86_SETUP_H diff --git a/arch/x86/include/asm/shmparam.h b/arch/x86/include/asm/shmparam.h index 0880cf0917b9..c4041819c3e5 100644 --- a/arch/x86/include/asm/shmparam.h +++ b/arch/x86/include/asm/shmparam.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SHMPARAM_H #define _ASM_X86_SHMPARAM_H diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h index e6cd2c489dbb..140d890c2c98 100644 --- a/arch/x86/include/asm/sigcontext.h +++ b/arch/x86/include/asm/sigcontext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SIGCONTEXT_H #define _ASM_X86_SIGCONTEXT_H diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h index 34edd1650bae..f176114c04d4 100644 --- a/arch/x86/include/asm/sigframe.h +++ b/arch/x86/include/asm/sigframe.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SIGFRAME_H #define _ASM_X86_SIGFRAME_H diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h index 452c88b8ad06..bd26834724e5 100644 --- a/arch/x86/include/asm/sighandling.h +++ b/arch/x86/include/asm/sighandling.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SIGHANDLING_H #define _ASM_X86_SIGHANDLING_H diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h index 8af22be0fe61..5f9012ff52ed 100644 --- a/arch/x86/include/asm/signal.h +++ b/arch/x86/include/asm/signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SIGNAL_H #define _ASM_X86_SIGNAL_H diff --git a/arch/x86/include/asm/simd.h b/arch/x86/include/asm/simd.h index 6c8a7ed13365..a341c878e977 100644 --- a/arch/x86/include/asm/simd.h +++ b/arch/x86/include/asm/simd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/fpu/api.h> diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 47103eca3775..461f53d27708 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SMP_H #define _ASM_X86_SMP_H #ifndef __ASSEMBLY__ diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h index 1f5bee2c202f..4fc1e9d3c43e 100644 --- a/arch/x86/include/asm/sparsemem.h +++ b/arch/x86/include/asm/sparsemem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SPARSEMEM_H #define _ASM_X86_SPARSEMEM_H diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h index a24dfcf79f4a..317fc59b512c 100644 --- a/arch/x86/include/asm/special_insns.h +++ b/arch/x86/include/asm/special_insns.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SPECIAL_INSNS_H #define _ASM_X86_SPECIAL_INSNS_H diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index 6d391909e864..b34625796eb2 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SPINLOCK_H #define _ASM_X86_SPINLOCK_H diff --git a/arch/x86/include/asm/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h index 25311ebb446c..bf3e34b25afc 100644 --- a/arch/x86/include/asm/spinlock_types.h +++ b/arch/x86/include/asm/spinlock_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SPINLOCK_TYPES_H #define _ASM_X86_SPINLOCK_TYPES_H diff --git a/arch/x86/include/asm/sta2x11.h b/arch/x86/include/asm/sta2x11.h index e9d32df89ccc..e0975e9c4f47 100644 --- a/arch/x86/include/asm/sta2x11.h +++ b/arch/x86/include/asm/sta2x11.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Header file for STMicroelectronics ConneXt (STA2X11) IOHub */ diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h index 8abedf1d650e..371b3a4af000 100644 --- a/arch/x86/include/asm/stackprotector.h +++ b/arch/x86/include/asm/stackprotector.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * GCC stack protector support. * diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h index 2e41c50ddf47..8da111b3c342 100644 --- a/arch/x86/include/asm/stacktrace.h +++ b/arch/x86/include/asm/stacktrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs diff --git a/arch/x86/include/asm/string.h b/arch/x86/include/asm/string.h index 09224d7a5862..c3c2c1914d65 100644 --- a/arch/x86/include/asm/string.h +++ b/arch/x86/include/asm/string.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_X86_32 # include <asm/string_32.h> #else diff --git a/arch/x86/include/asm/string_32.h b/arch/x86/include/asm/string_32.h index e371e7229042..076502241eae 100644 --- a/arch/x86/include/asm/string_32.h +++ b/arch/x86/include/asm/string_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_STRING_32_H #define _ASM_X86_STRING_32_H diff --git a/arch/x86/include/asm/string_64.h b/arch/x86/include/asm/string_64.h index f372a70a523f..0b1b4445f4c5 100644 --- a/arch/x86/include/asm/string_64.h +++ b/arch/x86/include/asm/string_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_STRING_64_H #define _ASM_X86_STRING_64_H diff --git a/arch/x86/include/asm/suspend.h b/arch/x86/include/asm/suspend.h index 2fab6c2c3575..ecffe81ff65c 100644 --- a/arch/x86/include/asm/suspend.h +++ b/arch/x86/include/asm/suspend.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_X86_32 # include <asm/suspend_32.h> #else diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h index 8e9dbe7b73a1..982c325dad33 100644 --- a/arch/x86/include/asm/suspend_32.h +++ b/arch/x86/include/asm/suspend_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2001-2002 Pavel Machek <pavel@suse.cz> * Based on code diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h index 2bd96b4df140..7306e911faee 100644 --- a/arch/x86/include/asm/suspend_64.h +++ b/arch/x86/include/asm/suspend_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2001-2003 Pavel Machek <pavel@suse.cz> * Based on code diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index 14835dd205a5..78dd9df88157 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SVM_H #define __SVM_H diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h index d2f69b9ff732..bdf9aed40403 100644 --- a/arch/x86/include/asm/swiotlb.h +++ b/arch/x86/include/asm/swiotlb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SWIOTLB_H #define _ASM_X86_SWIOTLB_H diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h index fcc5cd387fd1..899084b70412 100644 --- a/arch/x86/include/asm/switch_to.h +++ b/arch/x86/include/asm/switch_to.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SWITCH_TO_H #define _ASM_X86_SWITCH_TO_H diff --git a/arch/x86/include/asm/sync_bitops.h b/arch/x86/include/asm/sync_bitops.h index cbf8847d02a0..2fe745356fb1 100644 --- a/arch/x86/include/asm/sync_bitops.h +++ b/arch/x86/include/asm/sync_bitops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SYNC_BITOPS_H #define _ASM_X86_SYNC_BITOPS_H diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h index 90395063383c..2ecd34e2d46c 100644 --- a/arch/x86/include/asm/text-patching.h +++ b/arch/x86/include/asm/text-patching.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TEXT_PATCHING_H #define _ASM_X86_TEXT_PATCHING_H diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 89e7eeb5cec1..70f425947dc5 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* thread_info.h: low-level thread information * * Copyright (C) 2002 David Howells (dhowells@redhat.com) diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h index 92b8aec06970..cef818b16045 100644 --- a/arch/x86/include/asm/time.h +++ b/arch/x86/include/asm/time.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TIME_H #define _ASM_X86_TIME_H diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h index 2016962103df..47457ab975fd 100644 --- a/arch/x86/include/asm/timer.h +++ b/arch/x86/include/asm/timer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TIMER_H #define _ASM_X86_TIMER_H #include <linux/pm.h> diff --git a/arch/x86/include/asm/timex.h b/arch/x86/include/asm/timex.h index 1375cfc93960..a4a8b1b16c0c 100644 --- a/arch/x86/include/asm/timex.h +++ b/arch/x86/include/asm/timex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TIMEX_H #define _ASM_X86_TIMEX_H diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h index 79a4ca6a9606..cb0a1f470980 100644 --- a/arch/x86/include/asm/tlb.h +++ b/arch/x86/include/asm/tlb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TLB_H #define _ASM_X86_TLB_H diff --git a/arch/x86/include/asm/tlbbatch.h b/arch/x86/include/asm/tlbbatch.h index f4a6ff352a0e..1ad56eb3e8a8 100644 --- a/arch/x86/include/asm/tlbbatch.h +++ b/arch/x86/include/asm/tlbbatch.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ARCH_X86_TLBBATCH_H #define _ARCH_X86_TLBBATCH_H diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index 4893abf7f74f..509046cfa5ce 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TLBFLUSH_H #define _ASM_X86_TLBFLUSH_H @@ -82,6 +83,22 @@ static inline u64 inc_mm_tlb_gen(struct mm_struct *mm) #define __flush_tlb_single(addr) __native_flush_tlb_single(addr) #endif +static inline bool tlb_defer_switch_to_init_mm(void) +{ + /* + * If we have PCID, then switching to init_mm is reasonably + * fast. If we don't have PCID, then switching to init_mm is + * quite slow, so we try to defer it in the hopes that we can + * avoid it entirely. The latter approach runs the risk of + * receiving otherwise unnecessary IPIs. + * + * This choice is just a heuristic. The tlb code can handle this + * function returning true or false regardless of whether we have + * PCID. + */ + return !static_cpu_has(X86_FEATURE_PCID); +} + /* * 6 because 6 should be plenty and struct tlb_state will fit in * two cache lines. @@ -105,6 +122,23 @@ struct tlb_state { u16 next_asid; /* + * We can be in one of several states: + * + * - Actively using an mm. Our CPU's bit will be set in + * mm_cpumask(loaded_mm) and is_lazy == false; + * + * - Not using a real mm. loaded_mm == &init_mm. Our CPU's bit + * will not be set in mm_cpumask(&init_mm) and is_lazy == false. + * + * - Lazily using a real mm. loaded_mm != &init_mm, our bit + * is set in mm_cpumask(loaded_mm), but is_lazy == true. + * We're heuristically guessing that the CR3 load we + * skipped more than makes up for the overhead added by + * lazy mode. + */ + bool is_lazy; + + /* * Access to this CR4 shadow and to H/W CR4 is protected by * disabling interrupts when modifying either one. */ diff --git a/arch/x86/include/asm/trace/exceptions.h b/arch/x86/include/asm/trace/exceptions.h index 5665bf205b8d..69615e387973 100644 --- a/arch/x86/include/asm/trace/exceptions.h +++ b/arch/x86/include/asm/trace/exceptions.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM exceptions diff --git a/arch/x86/include/asm/trace/fpu.h b/arch/x86/include/asm/trace/fpu.h index 39f7a27bef13..fa60398bbc3a 100644 --- a/arch/x86/include/asm/trace/fpu.h +++ b/arch/x86/include/asm/trace/fpu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM x86_fpu diff --git a/arch/x86/include/asm/trace/irq_vectors.h b/arch/x86/include/asm/trace/irq_vectors.h index bfd480b827f5..84b9ec0c1bc0 100644 --- a/arch/x86/include/asm/trace/irq_vectors.h +++ b/arch/x86/include/asm/trace/irq_vectors.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM irq_vectors diff --git a/arch/x86/include/asm/trace/mpx.h b/arch/x86/include/asm/trace/mpx.h index 0f492fc50bce..7bd92db09e8d 100644 --- a/arch/x86/include/asm/trace/mpx.h +++ b/arch/x86/include/asm/trace/mpx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM mpx diff --git a/arch/x86/include/asm/trace_clock.h b/arch/x86/include/asm/trace_clock.h index beab86cc282d..7061a5650969 100644 --- a/arch/x86/include/asm/trace_clock.h +++ b/arch/x86/include/asm/trace_clock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TRACE_CLOCK_H #define _ASM_X86_TRACE_CLOCK_H diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index 5545f6459bf5..b0cced97a6ce 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TRAPS_H #define _ASM_X86_TRAPS_H diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index f5e6f1c417df..8da0efb13544 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * x86 TSC related functions */ diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 4b892917edeb..574dff4d2913 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UACCESS_H #define _ASM_X86_UACCESS_H /* diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h index aeda9bb8af50..72950401b223 100644 --- a/arch/x86/include/asm/uaccess_32.h +++ b/arch/x86/include/asm/uaccess_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UACCESS_32_H #define _ASM_X86_UACCESS_32_H diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index b16f6a1d8b26..f07ef3c575db 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UACCESS_64_H #define _ASM_X86_UACCESS_64_H diff --git a/arch/x86/include/asm/unaligned.h b/arch/x86/include/asm/unaligned.h index a7bd416b4763..9c754a7447aa 100644 --- a/arch/x86/include/asm/unaligned.h +++ b/arch/x86/include/asm/unaligned.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UNALIGNED_H #define _ASM_X86_UNALIGNED_H diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 1ba1536f627e..51c4eee00732 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UNISTD_H #define _ASM_X86_UNISTD_H 1 diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h index e9f793e2df7a..87adc0d38c4a 100644 --- a/arch/x86/include/asm/unwind.h +++ b/arch/x86/include/asm/unwind.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UNWIND_H #define _ASM_X86_UNWIND_H diff --git a/arch/x86/include/asm/user.h b/arch/x86/include/asm/user.h index 59a54e869f15..413c91746b27 100644 --- a/arch/x86/include/asm/user.h +++ b/arch/x86/include/asm/user.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_USER_H #define _ASM_X86_USER_H diff --git a/arch/x86/include/asm/user32.h b/arch/x86/include/asm/user32.h index 14cbb73ebcba..fa577312f63a 100644 --- a/arch/x86/include/asm/user32.h +++ b/arch/x86/include/asm/user32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_USER32_H #define _ASM_X86_USER32_H diff --git a/arch/x86/include/asm/user_32.h b/arch/x86/include/asm/user_32.h index bebfd8644016..d72c3d66e94f 100644 --- a/arch/x86/include/asm/user_32.h +++ b/arch/x86/include/asm/user_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_USER_32_H #define _ASM_X86_USER_32_H diff --git a/arch/x86/include/asm/user_64.h b/arch/x86/include/asm/user_64.h index faf2cd3e0d76..db909923611c 100644 --- a/arch/x86/include/asm/user_64.h +++ b/arch/x86/include/asm/user_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_USER_64_H #define _ASM_X86_USER_64_H diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h index b5a32231abd8..a80c0673798f 100644 --- a/arch/x86/include/asm/uv/uv.h +++ b/arch/x86/include/asm/uv/uv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UV_UV_H #define _ASM_X86_UV_UV_H diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h index bccdf4938ddf..27566e57e87d 100644 --- a/arch/x86/include/asm/vdso.h +++ b/arch/x86/include/asm/vdso.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_VDSO_H #define _ASM_X86_VDSO_H diff --git a/arch/x86/include/asm/vga.h b/arch/x86/include/asm/vga.h index 9f42beefc67a..46f9b2deab4d 100644 --- a/arch/x86/include/asm/vga.h +++ b/arch/x86/include/asm/vga.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Access to VGA videoram * diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h index 022e59714562..52250681f68c 100644 --- a/arch/x86/include/asm/vgtod.h +++ b/arch/x86/include/asm/vgtod.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_VGTOD_H #define _ASM_X86_VGTOD_H diff --git a/arch/x86/include/asm/vm86.h b/arch/x86/include/asm/vm86.h index 1e491f3af317..26efbec94448 100644 --- a/arch/x86/include/asm/vm86.h +++ b/arch/x86/include/asm/vm86.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_VM86_H #define _ASM_X86_VM86_H diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h index 6ba66ee79710..d9a7c659009c 100644 --- a/arch/x86/include/asm/vsyscall.h +++ b/arch/x86/include/asm/vsyscall.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_VSYSCALL_H #define _ASM_X86_VSYSCALL_H diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h index 5b238981542a..06006b0351f3 100644 --- a/arch/x86/include/asm/word-at-a-time.h +++ b/arch/x86/include/asm/word-at-a-time.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_WORD_AT_A_TIME_H #define _ASM_WORD_AT_A_TIME_H diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index f45acdf45957..63d0eb250792 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_PLATFORM_H #define _ASM_X86_PLATFORM_H diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h index e6911caf5bbf..d383140e1dc8 100644 --- a/arch/x86/include/asm/xen/events.h +++ b/arch/x86/include/asm/xen/events.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_EVENTS_H #define _ASM_X86_XEN_EVENTS_H diff --git a/arch/x86/include/asm/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h index 8413688b2571..dc40578abded 100644 --- a/arch/x86/include/asm/xen/interface_32.h +++ b/arch/x86/include/asm/xen/interface_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * arch-x86_32.h * diff --git a/arch/x86/include/asm/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h index 839a4811cf98..c599ec269a25 100644 --- a/arch/x86/include/asm/xen/interface_64.h +++ b/arch/x86/include/asm/xen/interface_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_INTERFACE_64_H #define _ASM_X86_XEN_INTERFACE_64_H diff --git a/arch/x86/include/asm/xen/page-coherent.h b/arch/x86/include/asm/xen/page-coherent.h index f02f025ff988..116777e7f387 100644 --- a/arch/x86/include/asm/xen/page-coherent.h +++ b/arch/x86/include/asm/xen/page-coherent.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_PAGE_COHERENT_H #define _ASM_X86_XEN_PAGE_COHERENT_H diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 07b6531813c4..c6b84245e5ab 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_PAGE_H #define _ASM_X86_XEN_PAGE_H diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h index f320ee32d5a1..3506d8c598c1 100644 --- a/arch/x86/include/asm/xen/pci.h +++ b/arch/x86/include/asm/xen/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_PCI_H #define _ASM_X86_XEN_PCI_H diff --git a/arch/x86/include/asm/xen/swiotlb-xen.h b/arch/x86/include/asm/xen/swiotlb-xen.h index ee52fcac6f72..6b56d0d45d15 100644 --- a/arch/x86/include/asm/xen/swiotlb-xen.h +++ b/arch/x86/include/asm/xen/swiotlb-xen.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SWIOTLB_XEN_H #define _ASM_X86_SWIOTLB_XEN_H diff --git a/arch/x86/include/asm/xen/trace_types.h b/arch/x86/include/asm/xen/trace_types.h index 21e1874c0a0b..2aad0abd68e2 100644 --- a/arch/x86/include/asm/xen/trace_types.h +++ b/arch/x86/include/asm/xen/trace_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_XEN_TRACE_TYPES_H #define _ASM_XEN_TRACE_TYPES_H diff --git a/arch/x86/include/asm/xor_64.h b/arch/x86/include/asm/xor_64.h index 546f1e3b87cc..0307e4ec5044 100644 --- a/arch/x86/include/asm/xor_64.h +++ b/arch/x86/include/asm/xor_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XOR_64_H #define _ASM_X86_XOR_64_H diff --git a/arch/x86/include/uapi/asm/a.out.h b/arch/x86/include/uapi/asm/a.out.h index 4684f97a5bbd..094c49d8ea8e 100644 --- a/arch/x86/include/uapi/asm/a.out.h +++ b/arch/x86/include/uapi/asm/a.out.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_A_OUT_H #define _ASM_X86_A_OUT_H diff --git a/arch/x86/include/uapi/asm/auxvec.h b/arch/x86/include/uapi/asm/auxvec.h index 77203ac352de..580e3c567046 100644 --- a/arch/x86/include/uapi/asm/auxvec.h +++ b/arch/x86/include/uapi/asm/auxvec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_AUXVEC_H #define _ASM_X86_AUXVEC_H /* diff --git a/arch/x86/include/uapi/asm/bitsperlong.h b/arch/x86/include/uapi/asm/bitsperlong.h index 217909b4d6f5..5d72c8458838 100644 --- a/arch/x86/include/uapi/asm/bitsperlong.h +++ b/arch/x86/include/uapi/asm/bitsperlong.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_X86_BITSPERLONG_H #define __ASM_X86_BITSPERLONG_H diff --git a/arch/x86/include/uapi/asm/boot.h b/arch/x86/include/uapi/asm/boot.h index 94292c4c8122..88ffc5aee087 100644 --- a/arch/x86/include/uapi/asm/boot.h +++ b/arch/x86/include/uapi/asm/boot.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_BOOT_H #define _UAPI_ASM_X86_BOOT_H diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h index 66b8f93333d1..afdd5ae0fcc4 100644 --- a/arch/x86/include/uapi/asm/bootparam.h +++ b/arch/x86/include/uapi/asm/bootparam.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_BOOTPARAM_H #define _ASM_X86_BOOTPARAM_H diff --git a/arch/x86/include/uapi/asm/byteorder.h b/arch/x86/include/uapi/asm/byteorder.h index b13a7a88f3eb..484e3cfd7ef2 100644 --- a/arch/x86/include/uapi/asm/byteorder.h +++ b/arch/x86/include/uapi/asm/byteorder.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_BYTEORDER_H #define _ASM_X86_BYTEORDER_H diff --git a/arch/x86/include/uapi/asm/debugreg.h b/arch/x86/include/uapi/asm/debugreg.h index 3c0874dd9861..d95d080b30e3 100644 --- a/arch/x86/include/uapi/asm/debugreg.h +++ b/arch/x86/include/uapi/asm/debugreg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_DEBUGREG_H #define _UAPI_ASM_X86_DEBUGREG_H diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h index 9dafe59cf6e2..2f491efe3a12 100644 --- a/arch/x86/include/uapi/asm/e820.h +++ b/arch/x86/include/uapi/asm/e820.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_E820_H #define _UAPI_ASM_X86_E820_H #define E820MAP 0x2d0 /* our map */ diff --git a/arch/x86/include/uapi/asm/hw_breakpoint.h b/arch/x86/include/uapi/asm/hw_breakpoint.h index 79a9626b5500..6789884c7701 100644 --- a/arch/x86/include/uapi/asm/hw_breakpoint.h +++ b/arch/x86/include/uapi/asm/hw_breakpoint.h @@ -1 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* */ diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h index 0bd2be5c7617..6ebaae90e207 100644 --- a/arch/x86/include/uapi/asm/hwcap2.h +++ b/arch/x86/include/uapi/asm/hwcap2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HWCAP2_H #define _ASM_X86_HWCAP2_H diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index f65d12504e80..1a5bfead93b4 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_HYPERV_H #define _ASM_X86_HYPERV_H diff --git a/arch/x86/include/uapi/asm/ist.h b/arch/x86/include/uapi/asm/ist.h index bad9f5ea4070..eac5b207939d 100644 --- a/arch/x86/include/uapi/asm/ist.h +++ b/arch/x86/include/uapi/asm/ist.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Include file for the interface to IST BIOS * Copyright 2002 Andy Grover <andrew.grover@intel.com> diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index c2824d02ba37..f3a960488eae 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_KVM_H #define _ASM_X86_KVM_H diff --git a/arch/x86/include/uapi/asm/kvm_para.h b/arch/x86/include/uapi/asm/kvm_para.h index a965e5b0d328..554aa8f24f91 100644 --- a/arch/x86/include/uapi/asm/kvm_para.h +++ b/arch/x86/include/uapi/asm/kvm_para.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_KVM_PARA_H #define _UAPI_ASM_X86_KVM_PARA_H diff --git a/arch/x86/include/uapi/asm/kvm_perf.h b/arch/x86/include/uapi/asm/kvm_perf.h index 3bb964f88aa1..125cf5cdf6c5 100644 --- a/arch/x86/include/uapi/asm/kvm_perf.h +++ b/arch/x86/include/uapi/asm/kvm_perf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_KVM_PERF_H #define _ASM_X86_KVM_PERF_H diff --git a/arch/x86/include/uapi/asm/ldt.h b/arch/x86/include/uapi/asm/ldt.h index 6e1aaf73852a..d62ac5db093b 100644 --- a/arch/x86/include/uapi/asm/ldt.h +++ b/arch/x86/include/uapi/asm/ldt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * ldt.h * diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h index eb6247a7009b..91723461dc1f 100644 --- a/arch/x86/include/uapi/asm/mce.h +++ b/arch/x86/include/uapi/asm/mce.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_MCE_H #define _UAPI_ASM_X86_MCE_H diff --git a/arch/x86/include/uapi/asm/mman.h b/arch/x86/include/uapi/asm/mman.h index 3be08f07695c..d4a8d0424bfb 100644 --- a/arch/x86/include/uapi/asm/mman.h +++ b/arch/x86/include/uapi/asm/mman.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_MMAN_H #define _ASM_X86_MMAN_H diff --git a/arch/x86/include/uapi/asm/msr.h b/arch/x86/include/uapi/asm/msr.h index c41f4fe25483..e7516b402a00 100644 --- a/arch/x86/include/uapi/asm/msr.h +++ b/arch/x86/include/uapi/asm/msr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_MSR_H #define _UAPI_ASM_X86_MSR_H diff --git a/arch/x86/include/uapi/asm/mtrr.h b/arch/x86/include/uapi/asm/mtrr.h index 7528dcf59691..376563f2bac1 100644 --- a/arch/x86/include/uapi/asm/mtrr.h +++ b/arch/x86/include/uapi/asm/mtrr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */ /* Generic MTRR (Memory Type Range Register) ioctls. Copyright (C) 1997-1999 Richard Gooch diff --git a/arch/x86/include/uapi/asm/perf_regs.h b/arch/x86/include/uapi/asm/perf_regs.h index 3f2207bfd17b..f3329cabce5c 100644 --- a/arch/x86/include/uapi/asm/perf_regs.h +++ b/arch/x86/include/uapi/asm/perf_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_PERF_REGS_H #define _ASM_X86_PERF_REGS_H diff --git a/arch/x86/include/uapi/asm/posix_types.h b/arch/x86/include/uapi/asm/posix_types.h index 85506b383627..c661e95f0134 100644 --- a/arch/x86/include/uapi/asm/posix_types.h +++ b/arch/x86/include/uapi/asm/posix_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __KERNEL__ # ifdef __i386__ # include <asm/posix_types_32.h> diff --git a/arch/x86/include/uapi/asm/posix_types_32.h b/arch/x86/include/uapi/asm/posix_types_32.h index 8e525059e7d8..840659f4b96f 100644 --- a/arch/x86/include/uapi/asm/posix_types_32.h +++ b/arch/x86/include/uapi/asm/posix_types_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_POSIX_TYPES_32_H #define _ASM_X86_POSIX_TYPES_32_H diff --git a/arch/x86/include/uapi/asm/posix_types_64.h b/arch/x86/include/uapi/asm/posix_types_64.h index cba0c1ead162..515afb8059ce 100644 --- a/arch/x86/include/uapi/asm/posix_types_64.h +++ b/arch/x86/include/uapi/asm/posix_types_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_POSIX_TYPES_64_H #define _ASM_X86_POSIX_TYPES_64_H diff --git a/arch/x86/include/uapi/asm/posix_types_x32.h b/arch/x86/include/uapi/asm/posix_types_x32.h index 85f9bdafa93c..f60479b07fc8 100644 --- a/arch/x86/include/uapi/asm/posix_types_x32.h +++ b/arch/x86/include/uapi/asm/posix_types_x32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_POSIX_TYPES_X32_H #define _ASM_X86_POSIX_TYPES_X32_H diff --git a/arch/x86/include/uapi/asm/prctl.h b/arch/x86/include/uapi/asm/prctl.h index c45765517092..5a6aac9fa41f 100644 --- a/arch/x86/include/uapi/asm/prctl.h +++ b/arch/x86/include/uapi/asm/prctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_PRCTL_H #define _ASM_X86_PRCTL_H diff --git a/arch/x86/include/uapi/asm/processor-flags.h b/arch/x86/include/uapi/asm/processor-flags.h index 185f3d10c194..6f3355399665 100644 --- a/arch/x86/include/uapi/asm/processor-flags.h +++ b/arch/x86/include/uapi/asm/processor-flags.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_PROCESSOR_FLAGS_H #define _UAPI_ASM_X86_PROCESSOR_FLAGS_H /* Various flags defined: can be included from assembler. */ diff --git a/arch/x86/include/uapi/asm/ptrace-abi.h b/arch/x86/include/uapi/asm/ptrace-abi.h index 580aee3072e0..16074b9c93bb 100644 --- a/arch/x86/include/uapi/asm/ptrace-abi.h +++ b/arch/x86/include/uapi/asm/ptrace-abi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_PTRACE_ABI_H #define _ASM_X86_PTRACE_ABI_H diff --git a/arch/x86/include/uapi/asm/ptrace.h b/arch/x86/include/uapi/asm/ptrace.h index bc16115af39b..85165c0edafc 100644 --- a/arch/x86/include/uapi/asm/ptrace.h +++ b/arch/x86/include/uapi/asm/ptrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_PTRACE_H #define _UAPI_ASM_X86_PTRACE_H diff --git a/arch/x86/include/uapi/asm/sembuf.h b/arch/x86/include/uapi/asm/sembuf.h index cc2d6a3aeae7..cabd7476bd6c 100644 --- a/arch/x86/include/uapi/asm/sembuf.h +++ b/arch/x86/include/uapi/asm/sembuf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_SEMBUF_H #define _ASM_X86_SEMBUF_H diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h index 62d4111c1c54..844d60eb1882 100644 --- a/arch/x86/include/uapi/asm/sigcontext.h +++ b/arch/x86/include/uapi/asm/sigcontext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_SIGCONTEXT_H #define _UAPI_ASM_X86_SIGCONTEXT_H diff --git a/arch/x86/include/uapi/asm/sigcontext32.h b/arch/x86/include/uapi/asm/sigcontext32.h index a92b0f0dc09e..6b18e88de8a6 100644 --- a/arch/x86/include/uapi/asm/sigcontext32.h +++ b/arch/x86/include/uapi/asm/sigcontext32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SIGCONTEXT32_H #define _ASM_X86_SIGCONTEXT32_H diff --git a/arch/x86/include/uapi/asm/siginfo.h b/arch/x86/include/uapi/asm/siginfo.h index 34c47b3341c0..b3d157957177 100644 --- a/arch/x86/include/uapi/asm/siginfo.h +++ b/arch/x86/include/uapi/asm/siginfo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_SIGINFO_H #define _ASM_X86_SIGINFO_H diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h index 8264f47cf53e..e5745d593dc7 100644 --- a/arch/x86/include/uapi/asm/signal.h +++ b/arch/x86/include/uapi/asm/signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_SIGNAL_H #define _UAPI_ASM_X86_SIGNAL_H diff --git a/arch/x86/include/uapi/asm/stat.h b/arch/x86/include/uapi/asm/stat.h index bc03eb5d6360..9e3982d95d0f 100644 --- a/arch/x86/include/uapi/asm/stat.h +++ b/arch/x86/include/uapi/asm/stat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_STAT_H #define _ASM_X86_STAT_H diff --git a/arch/x86/include/uapi/asm/statfs.h b/arch/x86/include/uapi/asm/statfs.h index 2d0adbf99a8e..13c2464cd2c4 100644 --- a/arch/x86/include/uapi/asm/statfs.h +++ b/arch/x86/include/uapi/asm/statfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_STATFS_H #define _ASM_X86_STATFS_H diff --git a/arch/x86/include/uapi/asm/svm.h b/arch/x86/include/uapi/asm/svm.h index 3725e145aa58..a9731f8a480f 100644 --- a/arch/x86/include/uapi/asm/svm.h +++ b/arch/x86/include/uapi/asm/svm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__SVM_H #define _UAPI__SVM_H diff --git a/arch/x86/include/uapi/asm/swab.h b/arch/x86/include/uapi/asm/swab.h index 7f235c7105c1..cd3fd8ddbe9a 100644 --- a/arch/x86/include/uapi/asm/swab.h +++ b/arch/x86/include/uapi/asm/swab.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_SWAB_H #define _ASM_X86_SWAB_H diff --git a/arch/x86/include/uapi/asm/types.h b/arch/x86/include/uapi/asm/types.h index 8e8c23fef08c..df55e1ddb0c9 100644 --- a/arch/x86/include/uapi/asm/types.h +++ b/arch/x86/include/uapi/asm/types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TYPES_H #define _ASM_X86_TYPES_H diff --git a/arch/x86/include/uapi/asm/ucontext.h b/arch/x86/include/uapi/asm/ucontext.h index e3d1ec90616e..5657b7a49f03 100644 --- a/arch/x86/include/uapi/asm/ucontext.h +++ b/arch/x86/include/uapi/asm/ucontext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_UCONTEXT_H #define _ASM_X86_UCONTEXT_H diff --git a/arch/x86/include/uapi/asm/unistd.h b/arch/x86/include/uapi/asm/unistd.h index a26df0d75cd0..30d7d04d72d6 100644 --- a/arch/x86/include/uapi/asm/unistd.h +++ b/arch/x86/include/uapi/asm/unistd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_UNISTD_H #define _UAPI_ASM_X86_UNISTD_H diff --git a/arch/x86/include/uapi/asm/vm86.h b/arch/x86/include/uapi/asm/vm86.h index e0b243e9d859..d2ee4e307ef8 100644 --- a/arch/x86/include/uapi/asm/vm86.h +++ b/arch/x86/include/uapi/asm/vm86.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_VM86_H #define _UAPI_ASM_X86_VM86_H diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h index 690a2dcf4078..f0b0c90dd398 100644 --- a/arch/x86/include/uapi/asm/vmx.h +++ b/arch/x86/include/uapi/asm/vmx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * vmx.h: VMX Architecture related definitions * Copyright (c) 2004, Intel Corporation. diff --git a/arch/x86/include/uapi/asm/vsyscall.h b/arch/x86/include/uapi/asm/vsyscall.h index b97dd6e263d2..75275f547444 100644 --- a/arch/x86/include/uapi/asm/vsyscall.h +++ b/arch/x86/include/uapi/asm/vsyscall.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_X86_VSYSCALL_H #define _UAPI_ASM_X86_VSYSCALL_H diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index fd0a7895b63f..5f70044340ff 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the linux kernel. # diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile index 85a9e17e0dbc..f1bb57b0e41e 100644 --- a/arch/x86/kernel/acpi/Makefile +++ b/arch/x86/kernel/acpi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD_wakeup_$(BITS).o := y obj-$(CONFIG_ACPI) += boot.o diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index ed014814ea35..7188aea91549 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sleep.c - x86-specific ACPI sleep support. * diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h index 65c7b606b606..fbb60ca4255c 100644 --- a/arch/x86/kernel/acpi/sleep.h +++ b/arch/x86/kernel/acpi/sleep.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Variables and functions used by the code in sleep.c */ diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 458da8509b75..6db28f17ff28 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -27,6 +27,8 @@ static const struct pci_device_id amd_root_ids[] = { {} }; +#define PCI_DEVICE_ID_AMD_CNB17H_F4 0x1704 + const struct pci_device_id amd_nb_misc_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) }, @@ -37,6 +39,7 @@ const struct pci_device_id amd_nb_misc_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) }, {} }; EXPORT_SYMBOL_GPL(amd_nb_misc_ids); @@ -48,6 +51,7 @@ static const struct pci_device_id amd_nb_link_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F4) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_DF_F4) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F4) }, {} }; @@ -402,11 +406,48 @@ void amd_flush_garts(void) } EXPORT_SYMBOL_GPL(amd_flush_garts); +static void __fix_erratum_688(void *info) +{ +#define MSR_AMD64_IC_CFG 0xC0011021 + + msr_set_bit(MSR_AMD64_IC_CFG, 3); + msr_set_bit(MSR_AMD64_IC_CFG, 14); +} + +/* Apply erratum 688 fix so machines without a BIOS fix work. */ +static __init void fix_erratum_688(void) +{ + struct pci_dev *F4; + u32 val; + + if (boot_cpu_data.x86 != 0x14) + return; + + if (!amd_northbridges.num) + return; + + F4 = node_to_amd_nb(0)->link; + if (!F4) + return; + + if (pci_read_config_dword(F4, 0x164, &val)) + return; + + if (val & BIT(2)) + return; + + on_each_cpu(__fix_erratum_688, NULL, 0); + + pr_info("x86/cpu/AMD: CPU erratum 688 worked around\n"); +} + static __init int init_amd_nbs(void) { amd_cache_northbridges(); amd_cache_gart(); + fix_erratum_688(); + return 0; } diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index ef2859f9fcce..f5d92bc3b884 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Firmware replacement code. * diff --git a/arch/x86/kernel/apic/Makefile b/arch/x86/kernel/apic/Makefile index bd65ce2e768e..a9e08924927e 100644 --- a/arch/x86/kernel/apic/Makefile +++ b/arch/x86/kernel/apic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for local APIC drivers and for the IO-APIC code # diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index a1ca2c08f532..132bf45c943a 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -566,11 +566,21 @@ static u32 bdx_deadline_rev(void) return ~0U; } +static u32 skx_deadline_rev(void) +{ + switch (boot_cpu_data.x86_mask) { + case 0x03: return 0x01000136; + case 0x04: return 0x02000014; + } + + return ~0U; +} + static const struct x86_cpu_id deadline_match[] = { DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_HASWELL_X, hsx_deadline_rev), DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_BROADWELL_X, 0x0b000020), DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_BROADWELL_XEON_D, bdx_deadline_rev), - DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_SKYLAKE_X, 0x02000014), + DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_SKYLAKE_X, skx_deadline_rev), DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_HASWELL_CORE, 0x22), DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_HASWELL_ULT, 0x20), @@ -593,7 +603,8 @@ static void apic_check_deadline_errata(void) const struct x86_cpu_id *m; u32 rev; - if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER)) + if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER) || + boot_cpu_has(X86_FEATURE_HYPERVISOR)) return; m = x86_match_cpu(deadline_match); diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index 0285f28d531a..7b659c4480c9 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * NOOP APIC driver. * diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c index 7b754c513fa5..afee386ff711 100644 --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * APIC driver for "bigsmp" xAPIC machines with more than 8 virtual CPUs. * diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c index d6f387780849..d1fc62a67320 100644 --- a/arch/x86/kernel/apic/hw_nmi.c +++ b/arch/x86/kernel/apic/hw_nmi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * HW NMI watchdog support * diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 18c6a4861586..201579dc5242 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel IO-APIC support for multi-Pentium hosts. * diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c index 3a205d4a12d0..82f9244fe61f 100644 --- a/arch/x86/kernel/apic/ipi.c +++ b/arch/x86/kernel/apic/ipi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/cpumask.h> #include <linux/interrupt.h> diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 6050c5364bdc..622f13ca8a94 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/string.h> diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 17c2c5b0b7b9..f8d9d69994e6 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/string.h> diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c index de827d6ac8c2..8ea78275480d 100644 --- a/arch/x86/kernel/asm-offsets.c +++ b/arch/x86/kernel/asm-offsets.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generate definitions needed by assembly language modules. * This code generates raw asm output which is post-processed to extract diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c index 710edab9e644..dedf428b20b6 100644 --- a/arch/x86/kernel/asm-offsets_32.c +++ b/arch/x86/kernel/asm-offsets_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef __LINUX_KBUILD_H # error "Please do not build this file directly, build asm-offsets.c instead" #endif diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index cf42206926af..630212fa9b9d 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef __LINUX_KBUILD_H # error "Please do not build this file directly, build asm-offsets.c instead" #endif diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c index f3672508b249..e1efe44ebefc 100644 --- a/arch/x86/kernel/audit_64.c +++ b/arch/x86/kernel/audit_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/types.h> #include <linux/audit.h> diff --git a/arch/x86/kernel/bootflag.c b/arch/x86/kernel/bootflag.c index 52c8e3c7789d..3fed7ae58b60 100644 --- a/arch/x86/kernel/bootflag.c +++ b/arch/x86/kernel/bootflag.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Implement 'Simple Boot Flag Specification 2.0' */ diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c index 145863d4d343..33399426793e 100644 --- a/arch/x86/kernel/check.c +++ b/arch/x86/kernel/check.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/sched.h> #include <linux/kthread.h> diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index e17942c131c8..236999c54edc 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for x86-compatible CPU details, features and quirks # @@ -21,7 +22,7 @@ obj-y += common.o obj-y += rdrand.o obj-y += match.o obj-y += bugs.o -obj-$(CONFIG_CPU_FREQ) += aperfmperf.o +obj-y += aperfmperf.o obj-$(CONFIG_PROC_FS) += proc.o obj-$(CONFIG_X86_FEATURE_NAMES) += capflags.o powerflags.o diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c index 0ee83321a313..957813e0180d 100644 --- a/arch/x86/kernel/cpu/aperfmperf.c +++ b/arch/x86/kernel/cpu/aperfmperf.c @@ -42,10 +42,6 @@ static void aperfmperf_snapshot_khz(void *dummy) s64 time_delta = ktime_ms_delta(now, s->time); unsigned long flags; - /* Don't bother re-computing within the cache threshold time. */ - if (time_delta < APERFMPERF_CACHE_THRESHOLD_MS) - return; - local_irq_save(flags); rdmsrl(MSR_IA32_APERF, aperf); rdmsrl(MSR_IA32_MPERF, mperf); @@ -74,6 +70,7 @@ static void aperfmperf_snapshot_khz(void *dummy) unsigned int arch_freq_get_on_cpu(int cpu) { + s64 time_delta; unsigned int khz; if (!cpu_khz) @@ -82,6 +79,12 @@ unsigned int arch_freq_get_on_cpu(int cpu) if (!static_cpu_has(X86_FEATURE_APERFMPERF)) return 0; + /* Don't bother re-computing within the cache threshold time. */ + time_delta = ktime_ms_delta(ktime_get(), per_cpu(samples.time, cpu)); + khz = per_cpu(samples.khz, cpu); + if (khz && time_delta < APERFMPERF_CACHE_THRESHOLD_MS) + return khz; + smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, 1); khz = per_cpu(samples.khz, cpu); if (khz) diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 0af86d9242da..ba0b2424c9b0 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1994 Linus Torvalds * diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c index 44207b71fee1..68bc6d9b3132 100644 --- a/arch/x86/kernel/cpu/centaur.c +++ b/arch/x86/kernel/cpu/centaur.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/sched.h> #include <linux/sched/clock.h> diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index 2584265d4745..f52a370b6c00 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_X86_CPU_H #define ARCH_X86_CPU_H diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c index 6f077445647a..6b4bb335641f 100644 --- a/arch/x86/kernel/cpu/cyrix.c +++ b/arch/x86/kernel/cpu/cyrix.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/delay.h> #include <linux/pci.h> diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index dfa90a3a5145..b720dacac051 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/string.h> diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 24f749324c0f..54d04d574148 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Routines to identify caches on Intel CPU. * @@ -831,7 +832,6 @@ static int __cache_amd_cpumap_setup(unsigned int cpu, int index, } else if (boot_cpu_has(X86_FEATURE_TOPOEXT)) { unsigned int apicid, nshared, first, last; - this_leaf = this_cpu_ci->info_list + index; nshared = base->eax.split.num_threads_sharing + 1; apicid = cpu_data(cpu).apicid; first = apicid - (apicid % nshared); diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h index ebaddaeef023..a43a72d8e88e 100644 --- a/arch/x86/kernel/cpu/intel_rdt.h +++ b/arch/x86/kernel/cpu/intel_rdt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_INTEL_RDT_H #define _ASM_X86_INTEL_RDT_H diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c index e42117d5f4d7..3fed38812eea 100644 --- a/arch/x86/kernel/cpu/match.c +++ b/arch/x86/kernel/cpu/match.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <asm/cpu_device_id.h> #include <asm/cpufeature.h> #include <linux/cpu.h> diff --git a/arch/x86/kernel/cpu/mcheck/Makefile b/arch/x86/kernel/cpu/mcheck/Makefile index 43051f0777d4..bcc7c54c7041 100644 --- a/arch/x86/kernel/cpu/mcheck/Makefile +++ b/arch/x86/kernel/cpu/mcheck/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y = mce.o mce-severity.o mce-genpool.o obj-$(CONFIG_X86_ANCIENT_MCE) += winchip.o p5.o diff --git a/arch/x86/kernel/cpu/mcheck/dev-mcelog.c b/arch/x86/kernel/cpu/mcheck/dev-mcelog.c index 10cec43aac38..7f85b76f43bc 100644 --- a/arch/x86/kernel/cpu/mcheck/dev-mcelog.c +++ b/arch/x86/kernel/cpu/mcheck/dev-mcelog.c @@ -24,14 +24,6 @@ static DEFINE_MUTEX(mce_chrdev_read_mutex); static char mce_helper[128]; static char *mce_helper_argv[2] = { mce_helper, NULL }; -#define mce_log_get_idx_check(p) \ -({ \ - RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held() && \ - !lockdep_is_held(&mce_chrdev_read_mutex), \ - "suspicious mce_log_get_idx_check() usage"); \ - smp_load_acquire(&(p)); \ -}) - /* * Lockless MCE logging infrastructure. * This avoids deadlocks on printk locks without having to break locks. Also @@ -53,43 +45,32 @@ static int dev_mce_log(struct notifier_block *nb, unsigned long val, void *data) { struct mce *mce = (struct mce *)data; - unsigned int next, entry; - - wmb(); - for (;;) { - entry = mce_log_get_idx_check(mcelog.next); - for (;;) { - - /* - * When the buffer fills up discard new entries. - * Assume that the earlier errors are the more - * interesting ones: - */ - if (entry >= MCE_LOG_LEN) { - set_bit(MCE_OVERFLOW, - (unsigned long *)&mcelog.flags); - return NOTIFY_OK; - } - /* Old left over entry. Skip: */ - if (mcelog.entry[entry].finished) { - entry++; - continue; - } - break; - } - smp_rmb(); - next = entry + 1; - if (cmpxchg(&mcelog.next, entry, next) == entry) - break; + unsigned int entry; + + mutex_lock(&mce_chrdev_read_mutex); + + entry = mcelog.next; + + /* + * When the buffer fills up discard new entries. Assume that the + * earlier errors are the more interesting ones: + */ + if (entry >= MCE_LOG_LEN) { + set_bit(MCE_OVERFLOW, (unsigned long *)&mcelog.flags); + goto unlock; } + + mcelog.next = entry + 1; + memcpy(mcelog.entry + entry, mce, sizeof(struct mce)); - wmb(); mcelog.entry[entry].finished = 1; - wmb(); /* wake processes polling /dev/mcelog */ wake_up_interruptible(&mce_chrdev_wait); +unlock: + mutex_unlock(&mce_chrdev_read_mutex); + return NOTIFY_OK; } @@ -177,13 +158,6 @@ static int mce_chrdev_release(struct inode *inode, struct file *file) return 0; } -static void collect_tscs(void *data) -{ - unsigned long *cpu_tsc = (unsigned long *)data; - - cpu_tsc[smp_processor_id()] = rdtsc(); -} - static int mce_apei_read_done; /* Collect MCE record of previous boot in persistent storage via APEI ERST. */ @@ -231,14 +205,9 @@ static ssize_t mce_chrdev_read(struct file *filp, char __user *ubuf, size_t usize, loff_t *off) { char __user *buf = ubuf; - unsigned long *cpu_tsc; - unsigned prev, next; + unsigned next; int i, err; - cpu_tsc = kmalloc(nr_cpu_ids * sizeof(long), GFP_KERNEL); - if (!cpu_tsc) - return -ENOMEM; - mutex_lock(&mce_chrdev_read_mutex); if (!mce_apei_read_done) { @@ -247,65 +216,29 @@ static ssize_t mce_chrdev_read(struct file *filp, char __user *ubuf, goto out; } - next = mce_log_get_idx_check(mcelog.next); - /* Only supports full reads right now */ err = -EINVAL; if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) goto out; + next = mcelog.next; err = 0; - prev = 0; - do { - for (i = prev; i < next; i++) { - unsigned long start = jiffies; - struct mce *m = &mcelog.entry[i]; - - while (!m->finished) { - if (time_after_eq(jiffies, start + 2)) { - memset(m, 0, sizeof(*m)); - goto timeout; - } - cpu_relax(); - } - smp_rmb(); - err |= copy_to_user(buf, m, sizeof(*m)); - buf += sizeof(*m); -timeout: - ; - } - - memset(mcelog.entry + prev, 0, - (next - prev) * sizeof(struct mce)); - prev = next; - next = cmpxchg(&mcelog.next, prev, 0); - } while (next != prev); - - synchronize_sched(); - /* - * Collect entries that were still getting written before the - * synchronize. - */ - on_each_cpu(collect_tscs, cpu_tsc, 1); - - for (i = next; i < MCE_LOG_LEN; i++) { + for (i = 0; i < next; i++) { struct mce *m = &mcelog.entry[i]; - if (m->finished && m->tsc < cpu_tsc[m->cpu]) { - err |= copy_to_user(buf, m, sizeof(*m)); - smp_rmb(); - buf += sizeof(*m); - memset(m, 0, sizeof(*m)); - } + err |= copy_to_user(buf, m, sizeof(*m)); + buf += sizeof(*m); } + memset(mcelog.entry, 0, next * sizeof(struct mce)); + mcelog.next = 0; + if (err) err = -EFAULT; out: mutex_unlock(&mce_chrdev_read_mutex); - kfree(cpu_tsc); return err ? err : buf - ubuf; } diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h index 098530a93bb7..aa0d5df9dc60 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-internal.h +++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h @@ -1,3 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __X86_MCE_INTERNAL_H__ +#define __X86_MCE_INTERNAL_H__ + #include <linux/device.h> #include <asm/mce.h> @@ -108,3 +112,7 @@ static inline void mce_work_trigger(void) { } static inline void mce_register_injector_chain(struct notifier_block *nb) { } static inline void mce_unregister_injector_chain(struct notifier_block *nb) { } #endif + +extern struct mca_config mca_cfg; + +#endif /* __X86_MCE_INTERNAL_H__ */ diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 40e28ed77fbf..486f640b02ef 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -28,6 +28,8 @@ #include <asm/msr.h> #include <asm/trace/irq_vectors.h> +#include "mce-internal.h" + #define NR_BLOCKS 5 #define THRESHOLD_MAX 0xFFF #define INT_TYPE_APIC 0x00020000 diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c index e84db79ef272..d05be307d081 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_intel.c +++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel specific MCE features. * Copyright 2004 Zwane Mwaikambo <zwane@linuxpower.ca> diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c index 2a0717bf8033..5cddf831720f 100644 --- a/arch/x86/kernel/cpu/mcheck/p5.c +++ b/arch/x86/kernel/cpu/mcheck/p5.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * P5 specific Machine Check Exception Reporting * (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk> diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c index 5e7249e42f8f..2b584b319eff 100644 --- a/arch/x86/kernel/cpu/mcheck/threshold.c +++ b/arch/x86/kernel/cpu/mcheck/threshold.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Common corrected MCE threshold handler code: */ diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c index c6a722e1d011..3b45b270a865 100644 --- a/arch/x86/kernel/cpu/mcheck/winchip.c +++ b/arch/x86/kernel/cpu/mcheck/winchip.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IDT Winchip specific Machine Check Exception Reporting * (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk> diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 86e8f0b2537b..c4fa4a85d4cb 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -122,9 +122,6 @@ static bool __init check_loader_disabled_bsp(void) bool *res = &dis_ucode_ldr; #endif - if (!have_cpuid_p()) - return *res; - /* * CPUID(1).ECX[31]: reserved for hypervisor use. This is still not * completely accurate as xen pv guests don't see that CPUID bit set but @@ -166,24 +163,36 @@ bool get_builtin_firmware(struct cpio_data *cd, const char *name) void __init load_ucode_bsp(void) { unsigned int cpuid_1_eax; + bool intel = true; - if (check_loader_disabled_bsp()) + if (!have_cpuid_p()) return; cpuid_1_eax = native_cpuid_eax(1); switch (x86_cpuid_vendor()) { case X86_VENDOR_INTEL: - if (x86_family(cpuid_1_eax) >= 6) - load_ucode_intel_bsp(); + if (x86_family(cpuid_1_eax) < 6) + return; break; + case X86_VENDOR_AMD: - if (x86_family(cpuid_1_eax) >= 0x10) - load_ucode_amd_bsp(cpuid_1_eax); + if (x86_family(cpuid_1_eax) < 0x10) + return; + intel = false; break; + default: - break; + return; } + + if (check_loader_disabled_bsp()) + return; + + if (intel) + load_ucode_intel_bsp(); + else + load_ucode_amd_bsp(cpuid_1_eax); } static bool check_loader_disabled_ap(void) diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 8f7a9bbad514..7dbcb7adf797 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -34,6 +34,7 @@ #include <linux/mm.h> #include <asm/microcode_intel.h> +#include <asm/intel-family.h> #include <asm/processor.h> #include <asm/tlbflush.h> #include <asm/setup.h> @@ -918,6 +919,18 @@ static int get_ucode_fw(void *to, const void *from, size_t n) return 0; } +static bool is_blacklisted(unsigned int cpu) +{ + struct cpuinfo_x86 *c = &cpu_data(cpu); + + if (c->x86 == 6 && c->x86_model == INTEL_FAM6_BROADWELL_X) { + pr_err_once("late loading on model 79 is disabled.\n"); + return true; + } + + return false; +} + static enum ucode_state request_microcode_fw(int cpu, struct device *device, bool refresh_fw) { @@ -926,6 +939,9 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device, const struct firmware *firmware; enum ucode_state ret; + if (is_blacklisted(cpu)) + return UCODE_NFOUND; + sprintf(name, "intel-ucode/%02x-%02x-%02x", c->x86, c->x86_model, c->x86_mask); @@ -950,6 +966,9 @@ static int get_ucode_user(void *to, const void *from, size_t n) static enum ucode_state request_microcode_user(int cpu, const void __user *buf, size_t size) { + if (is_blacklisted(cpu)) + return UCODE_NFOUND; + return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user); } diff --git a/arch/x86/kernel/cpu/mkcapflags.sh b/arch/x86/kernel/cpu/mkcapflags.sh index 6988c74409a8..d0dfb892c72f 100644 --- a/arch/x86/kernel/cpu/mkcapflags.sh +++ b/arch/x86/kernel/cpu/mkcapflags.sh @@ -1,4 +1,5 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 # # Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h # diff --git a/arch/x86/kernel/cpu/mtrr/amd.c b/arch/x86/kernel/cpu/mtrr/amd.c index 92ba9cd31c9a..a65a0272096d 100644 --- a/arch/x86/kernel/cpu/mtrr/amd.c +++ b/arch/x86/kernel/cpu/mtrr/amd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/mm.h> #include <asm/mtrr.h> diff --git a/arch/x86/kernel/cpu/mtrr/centaur.c b/arch/x86/kernel/cpu/mtrr/centaur.c index 3d689937fc1b..f27177816569 100644 --- a/arch/x86/kernel/cpu/mtrr/centaur.c +++ b/arch/x86/kernel/cpu/mtrr/centaur.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/mm.h> diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c index b1086f79e57e..4296c702a3f7 100644 --- a/arch/x86/kernel/cpu/mtrr/cyrix.c +++ b/arch/x86/kernel/cpu/mtrr/cyrix.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/io.h> #include <linux/mm.h> diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c index 6d9b45549109..558444b23923 100644 --- a/arch/x86/kernel/cpu/mtrr/if.c +++ b/arch/x86/kernel/cpu/mtrr/if.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/capability.h> #include <linux/seq_file.h> #include <linux/uaccess.h> diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h index ad8bd763efa5..2ac99e561181 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.h +++ b/arch/x86/kernel/cpu/mtrr/mtrr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * local MTRR defines. */ diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index 181eabecae25..d389083330c5 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * local apic based NMI watchdog for various CPUs. * diff --git a/arch/x86/kernel/cpu/powerflags.c b/arch/x86/kernel/cpu/powerflags.c index 1dd8294fd730..fd6ec2aa0303 100644 --- a/arch/x86/kernel/cpu/powerflags.c +++ b/arch/x86/kernel/cpu/powerflags.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Strings for the various x86 power flags * diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index 218f79825b3c..4378a729b933 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -1,7 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/smp.h> #include <linux/timex.h> #include <linux/string.h> #include <linux/seq_file.h> +#include <linux/cpufreq.h> /* * Get CPU information for use by the procfs. @@ -75,9 +77,16 @@ static int show_cpuinfo(struct seq_file *m, void *v) if (c->microcode) seq_printf(m, "microcode\t: 0x%x\n", c->microcode); - if (cpu_has(c, X86_FEATURE_TSC)) + if (cpu_has(c, X86_FEATURE_TSC)) { + unsigned int freq = arch_freq_get_on_cpu(cpu); + + if (!freq) + freq = cpufreq_quick_get(cpu); + if (!freq) + freq = cpu_khz; seq_printf(m, "cpu MHz\t\t: %u.%03u\n", - cpu_khz / 1000, (cpu_khz % 1000)); + freq / 1000, (freq % 1000)); + } /* Cache size */ if (c->x86_cache_size >= 0) diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c index cd531355e838..b099024d339c 100644 --- a/arch/x86/kernel/cpu/topology.c +++ b/arch/x86/kernel/cpu/topology.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Check for extended topology enumeration cpuid leaf 0xb and if it * exists, use it for populating initial_apicid and cpu topology diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c index d77d07ab310b..42c939827621 100644 --- a/arch/x86/kernel/cpu/transmeta.c +++ b/arch/x86/kernel/cpu/transmeta.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/sched.h> #include <linux/sched/clock.h> diff --git a/arch/x86/kernel/cpu/umc.c b/arch/x86/kernel/cpu/umc.c index ef9c2a0078bd..65a58a390fc3 100644 --- a/arch/x86/kernel/cpu/umc.c +++ b/arch/x86/kernel/cpu/umc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <asm/processor.h> #include "cpu.h" diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c index 538fedea9b3f..33ee47670b99 100644 --- a/arch/x86/kernel/crash_dump_32.c +++ b/arch/x86/kernel/crash_dump_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Memory preserving reboot related code. * diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c index afa64adb75ee..4f2e0778feac 100644 --- a/arch/x86/kernel/crash_dump_64.c +++ b/arch/x86/kernel/crash_dump_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Memory preserving reboot related code. * diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index cbf1f6ba39a8..76e07698e6d1 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Architecture specific OF callbacks. */ diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c index f9c324e08d85..0e662c55ae90 100644 --- a/arch/x86/kernel/doublefault.c +++ b/arch/x86/kernel/doublefault.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/mm.h> #include <linux/sched.h> #include <linux/sched/debug.h> diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 4f0481474903..daefae83a3aa 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 225af4184f06..88ce2ffdb110 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 927abeaf63e2..1e82f787c160 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Various workarounds for chipset bugs. This code runs very early and can't use the regular PCI subsystem The entries are keyed to PCI bridges which usually identify chipsets diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 0f0840304452..5e801c8c8ce7 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/console.h> #include <linux/kernel.h> #include <linux/init.h> diff --git a/arch/x86/kernel/ebda.c b/arch/x86/kernel/ebda.c index 4312f8ae71b7..38e7d597b660 100644 --- a/arch/x86/kernel/ebda.c +++ b/arch/x86/kernel/ebda.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/init.h> #include <linux/memblock.h> diff --git a/arch/x86/kernel/fpu/bugs.c b/arch/x86/kernel/fpu/bugs.c index d913047f832c..2954fab15e51 100644 --- a/arch/x86/kernel/fpu/bugs.c +++ b/arch/x86/kernel/fpu/bugs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * x86 FPU bug checks: */ diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c index 3ea151372389..bc02f5144b95 100644 --- a/arch/x86/kernel/fpu/regset.c +++ b/arch/x86/kernel/fpu/regset.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * FPU register's regset abstraction, for ptrace, core dumps, etc. */ diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index fb639e70048f..23f1691670b6 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * FPU signal frame handling routines. */ diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 9bef1bbeba63..01ebcb6f263e 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Dynamic function tracing support. * diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S index 722a145b4139..b6c6468e10bc 100644 --- a/arch/x86/kernel/ftrace_32.S +++ b/arch/x86/kernel/ftrace_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2017 Steven Rostedt, VMware Inc. */ diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S index 1dfac634bbf7..c832291d948a 100644 --- a/arch/x86/kernel/ftrace_64.S +++ b/arch/x86/kernel/ftrace_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2014 Steven Rostedt, Red Hat Inc */ diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index cf2ce063f65a..ec6fefbfd3c0 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/i386/kernel/head32.c -- prepare to run common code * @@ -30,10 +31,11 @@ static void __init i386_default_early_setup(void) asmlinkage __visible void __init i386_start_kernel(void) { - cr4_init_shadow(); - + /* Make sure IDT is set up before any exception happens */ idt_setup_early_handler(); + cr4_init_shadow(); + sanitize_boot_params(&boot_params); x86_early_init_platform_quirks(); diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index bab4fa579450..6a5d757b9cfd 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * prepare to run common code * diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 9ed3074d0d27..f1d528bb66a6 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * Copyright (C) 1991, 1992 Linus Torvalds diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 513cbb012ecc..6dde3f3fc1f8 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/arch/x86/kernel/head_64.S -- start in 32bit and switch to 64bit * diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c index 6ebe00cb4a3b..0d307a657abb 100644 --- a/arch/x86/kernel/i8253.c +++ b/arch/x86/kernel/i8253.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 8253/PIT functions * diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 317c5b38a318..86c4439f9d74 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/linkage.h> #include <linux/errno.h> #include <linux/signal.h> diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c index 7ebcc4a74438..805b7a341aca 100644 --- a/arch/x86/kernel/io_delay.c +++ b/arch/x86/kernel/io_delay.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * I/O delay strategies for inb_p/outb_p * diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c index 9c3cf0944bce..3feb648781c4 100644 --- a/arch/x86/kernel/ioport.c +++ b/arch/x86/kernel/ioport.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This contains the io-permission bitmap code - written by obz, with changes * by Linus. 32/64 bits code unification by Miguel Botón. diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index d4eb450144fd..a83b3346a0e1 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar * diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 3be74fbdeff2..020efbf5786b 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar * diff --git a/arch/x86/kernel/irq_work.c b/arch/x86/kernel/irq_work.c index 70dee056f92b..80bee7695a20 100644 --- a/arch/x86/kernel/irq_work.c +++ b/arch/x86/kernel/irq_work.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * x86 specific code for irq_work * diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index c7fb57505f2d..8da3e909e967 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/linkage.h> #include <linux/errno.h> #include <linux/signal.h> diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c index ab4f491da2a9..e56c95be2808 100644 --- a/arch/x86/kernel/jump_label.c +++ b/arch/x86/kernel/jump_label.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * jump label x86 support * diff --git a/arch/x86/kernel/kprobes/common.h b/arch/x86/kernel/kprobes/common.h index db2182d63ed0..615105cf7d58 100644 --- a/arch/x86/kernel/kprobes/common.h +++ b/arch/x86/kernel/kprobes/common.h @@ -1,8 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __X86_KERNEL_KPROBES_COMMON_H #define __X86_KERNEL_KPROBES_COMMON_H /* Kprobes and Optprobes common header */ +#include <asm/asm.h> + +#ifdef CONFIG_FRAME_POINTER +# define SAVE_RBP_STRING " push %" _ASM_BP "\n" \ + " mov %" _ASM_SP ", %" _ASM_BP "\n" +#else +# define SAVE_RBP_STRING " push %" _ASM_BP "\n" +#endif + #ifdef CONFIG_X86_64 #define SAVE_REGS_STRING \ /* Skip cs, ip, orig_ax. */ \ @@ -17,7 +27,7 @@ " pushq %r10\n" \ " pushq %r11\n" \ " pushq %rbx\n" \ - " pushq %rbp\n" \ + SAVE_RBP_STRING \ " pushq %r12\n" \ " pushq %r13\n" \ " pushq %r14\n" \ @@ -48,7 +58,7 @@ " pushl %es\n" \ " pushl %ds\n" \ " pushl %eax\n" \ - " pushl %ebp\n" \ + SAVE_RBP_STRING \ " pushl %edi\n" \ " pushl %esi\n" \ " pushl %edx\n" \ diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index f0153714ddac..0742491cbb73 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -1080,8 +1080,6 @@ int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) * raw stack chunk with redzones: */ __memcpy(kcb->jprobes_stack, (kprobe_opcode_t *)addr, MIN_STACK_SIZE(addr)); - regs->flags &= ~X86_EFLAGS_IF; - trace_hardirqs_off(); regs->ip = (unsigned long)(jp->entry); /* diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index d88967659098..5b609e28ce3f 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -79,7 +79,7 @@ static void kvm_get_wallclock(struct timespec *now) static int kvm_set_wallclock(const struct timespec *now) { - return -1; + return -ENODEV; } static u64 kvm_clock_read(void) diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index f0e64db18ac8..4d17bacf4030 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1992 Krishna Balasubramanian and Linus Torvalds * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com> diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c index f4c886d9165c..b5cb49e57df8 100644 --- a/arch/x86/kernel/mmconf-fam10h_64.c +++ b/arch/x86/kernel/mmconf-fam10h_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * AMD Family 10h mmconfig enablement */ diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c index 62e7d70aadd5..da0c160e5589 100644 --- a/arch/x86/kernel/module.c +++ b/arch/x86/kernel/module.c @@ -172,19 +172,27 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, case R_X86_64_NONE: break; case R_X86_64_64: + if (*(u64 *)loc != 0) + goto invalid_relocation; *(u64 *)loc = val; break; case R_X86_64_32: + if (*(u32 *)loc != 0) + goto invalid_relocation; *(u32 *)loc = val; if (val != *(u32 *)loc) goto overflow; break; case R_X86_64_32S: + if (*(s32 *)loc != 0) + goto invalid_relocation; *(s32 *)loc = val; if ((s64)val != *(s32 *)loc) goto overflow; break; case R_X86_64_PC32: + if (*(u32 *)loc != 0) + goto invalid_relocation; val -= (u64)loc; *(u32 *)loc = val; #if 0 @@ -200,6 +208,11 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, } return 0; +invalid_relocation: + pr_err("x86/modules: Skipping invalid relocation target, existing value is nonzero for type %d, loc %p, val %Lx\n", + (int)ELF64_R_TYPE(rel[i].r_info), loc, val); + return -ENOEXEC; + overflow: pr_err("overflow in relocation type %d val %Lx\n", (int)ELF64_R_TYPE(rel[i].r_info), val); diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 5cbb3177ed17..410c5dadcee3 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel Multiprocessor Specification 1.1 and 1.4 * compliant MP-table parsing routines. diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c index d27f8d84c4ff..a1a96df3dff1 100644 --- a/arch/x86/kernel/nmi_selftest.c +++ b/arch/x86/kernel/nmi_selftest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/x86/kernel/nmi-selftest.c * diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c index 8f2d1c9d43a8..71f2d1125ec0 100644 --- a/arch/x86/kernel/paravirt-spinlocks.c +++ b/arch/x86/kernel/paravirt-spinlocks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Split spinlock implementation out into its own file, so it can be * compiled in a FTRACE-compatible way. diff --git a/arch/x86/kernel/paravirt_patch_32.c b/arch/x86/kernel/paravirt_patch_32.c index 553acbbb4d32..758e69d72ebf 100644 --- a/arch/x86/kernel/paravirt_patch_32.c +++ b/arch/x86/kernel/paravirt_patch_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <asm/paravirt.h> DEF_NATIVE(pv_irq_ops, irq_disable, "cli"); diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c index 11aaf1eaa0e4..ac0be8283325 100644 --- a/arch/x86/kernel/paravirt_patch_64.c +++ b/arch/x86/kernel/paravirt_patch_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <asm/paravirt.h> #include <asm/asm-offsets.h> #include <linux/stringify.h> diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 0accc2404b92..599d7462eccc 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/dma-mapping.h> #include <linux/dma-debug.h> #include <linux/dmar.h> diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c index f712dfdf1357..4dfd90a75e63 100644 --- a/arch/x86/kernel/pci-iommu_table.c +++ b/arch/x86/kernel/pci-iommu_table.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/dma-mapping.h> #include <asm/iommu_table.h> #include <linux/string.h> diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index 4fc3cb60ea11..b0caae27e1b7 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Fallback functions when the main IOMMU code is not compiled in. This code is roughly equivalent to i386. */ #include <linux/dma-mapping.h> diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index 677077510e30..53bd05ea90d8 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Glue code to lib/swiotlb.c */ #include <linux/pci.h> diff --git a/arch/x86/kernel/pcspeaker.c b/arch/x86/kernel/pcspeaker.c index a311ffcaad16..da5190a1ea16 100644 --- a/arch/x86/kernel/pcspeaker.c +++ b/arch/x86/kernel/pcspeaker.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/platform_device.h> #include <linux/err.h> #include <linux/init.h> diff --git a/arch/x86/kernel/perf_regs.c b/arch/x86/kernel/perf_regs.c index 587d887f7f17..e47b2dbbdef3 100644 --- a/arch/x86/kernel/perf_regs.c +++ b/arch/x86/kernel/perf_regs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/errno.h> #include <linux/kernel.h> #include <linux/sched.h> diff --git a/arch/x86/kernel/platform-quirks.c b/arch/x86/kernel/platform-quirks.c index 502a77d0adb0..39a59299bfa0 100644 --- a/arch/x86/kernel/platform-quirks.c +++ b/arch/x86/kernel/platform-quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/init.h> diff --git a/arch/x86/kernel/pmem.c b/arch/x86/kernel/pmem.c index 0c5315d322c8..3fe690067802 100644 --- a/arch/x86/kernel/pmem.c +++ b/arch/x86/kernel/pmem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2015, Christoph Hellwig. * Copyright (c) 2015, Intel Corporation. diff --git a/arch/x86/kernel/probe_roms.c b/arch/x86/kernel/probe_roms.c index 963e3fb56437..ee0286390a4c 100644 --- a/arch/x86/kernel/probe_roms.c +++ b/arch/x86/kernel/probe_roms.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/sched.h> #include <linux/mm.h> #include <linux/uaccess.h> diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index bd6b85fac666..c67685337c5a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/errno.h> diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index eaa591cfd98b..697a4ce04308 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file contains work-arounds for x86 and x86_64 platform bugs. */ diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 54180fa6f66f..2126b9d27c34 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/export.h> @@ -105,6 +106,10 @@ void __noreturn machine_real_restart(unsigned int type) load_cr3(initial_page_table); #else write_cr3(real_mode_header->trampoline_pgd); + + /* Exiting long mode will fail if CR4.PCIDE is set. */ + if (static_cpu_has(X86_FEATURE_PCID)) + cr4_clear_bits(X86_CR4_PCIDE); #endif /* Jump to the identity-mapped low memory code */ diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c index c8e41e90f59c..b7c0f142d026 100644 --- a/arch/x86/kernel/reboot_fixups_32.c +++ b/arch/x86/kernel/reboot_fixups_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This is a good place to put board specific reboot fixups. * diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c index 5ab3895516ac..9b9fb7882c20 100644 --- a/arch/x86/kernel/resource.c +++ b/arch/x86/kernel/resource.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/ioport.h> #include <asm/e820/api.h> diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index 5b21cb7d84d6..69ac9cb9cac6 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * RTC related functions */ diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 28dafed6c682..497aa766fab3 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 4e188fda5961..b9e00e8f1c9b 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 2000, 2001, 2002 Andi Kleen SuSE Labs diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index ab9feb5887b1..8c6da1a643da 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/compat.h> #include <linux/uaccess.h> #include <linux/ptrace.h> diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index 5ee663836c08..60d2c3798ba2 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * x86 single-step support code, common to 32-bit and 64-bit. */ diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 73e4d28112f8..a63fe77b3217 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/errno.h> #include <linux/sched.h> #include <linux/sched/mm.h> diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index 3ceb834233c8..749d189f8cd4 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 1991,1992,1995 Linus Torvalds * Copyright (c) 1994 Alan Modra diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c index a106b9719c58..9a9c9b076955 100644 --- a/arch/x86/kernel/tls.c +++ b/arch/x86/kernel/tls.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/errno.h> #include <linux/sched.h> diff --git a/arch/x86/kernel/trace_clock.c b/arch/x86/kernel/trace_clock.c index 80bb24d9b880..b8e7abe00b06 100644 --- a/arch/x86/kernel/trace_clock.c +++ b/arch/x86/kernel/trace_clock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * X86 trace clocks */ diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c index c6636d1f60b9..5bd30c442794 100644 --- a/arch/x86/kernel/tracepoint.c +++ b/arch/x86/kernel/tracepoint.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Code for supporting irq vector tracepoints. * diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 7842371bc9e4..e76a9881306b 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * check TSC synchronization. * diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c index d145a0b1f529..3dc26f95d46e 100644 --- a/arch/x86/kernel/unwind_frame.c +++ b/arch/x86/kernel/unwind_frame.c @@ -44,7 +44,8 @@ static void unwind_dump(struct unwind_state *state) state->stack_info.type, state->stack_info.next_sp, state->stack_mask, state->graph_idx); - for (sp = state->orig_sp; sp; sp = PTR_ALIGN(stack_info.next_sp, sizeof(long))) { + for (sp = PTR_ALIGN(state->orig_sp, sizeof(long)); sp; + sp = PTR_ALIGN(stack_info.next_sp, sizeof(long))) { if (get_stack_info(sp, state->task, &stack_info, &visit_mask)) break; @@ -174,6 +175,7 @@ static bool is_last_task_frame(struct unwind_state *state) * This determines if the frame pointer actually contains an encoded pointer to * pt_regs on the stack. See ENCODE_FRAME_POINTER. */ +#ifdef CONFIG_X86_64 static struct pt_regs *decode_frame_pointer(unsigned long *bp) { unsigned long regs = (unsigned long)bp; @@ -183,6 +185,23 @@ static struct pt_regs *decode_frame_pointer(unsigned long *bp) return (struct pt_regs *)(regs & ~0x1); } +#else +static struct pt_regs *decode_frame_pointer(unsigned long *bp) +{ + unsigned long regs = (unsigned long)bp; + + if (regs & 0x80000000) + return NULL; + + return (struct pt_regs *)(regs | 0x80000000); +} +#endif + +#ifdef CONFIG_X86_32 +#define KERNEL_REGS_SIZE (sizeof(struct pt_regs) - 2*sizeof(long)) +#else +#define KERNEL_REGS_SIZE (sizeof(struct pt_regs)) +#endif static bool update_stack_state(struct unwind_state *state, unsigned long *next_bp) @@ -202,7 +221,7 @@ static bool update_stack_state(struct unwind_state *state, regs = decode_frame_pointer(next_bp); if (regs) { frame = (unsigned long *)regs; - len = regs_size(regs); + len = KERNEL_REGS_SIZE; state->got_irq = true; } else { frame = next_bp; @@ -226,6 +245,14 @@ static bool update_stack_state(struct unwind_state *state, frame < prev_frame_end) return false; + /* + * On 32-bit with user mode regs, make sure the last two regs are safe + * to access: + */ + if (IS_ENABLED(CONFIG_X86_32) && regs && user_mode(regs) && + !on_stack(info, frame, len + 2*sizeof(long))) + return false; + /* Move state to the next frame: */ if (regs) { state->regs = regs; @@ -328,6 +355,13 @@ bad_address: state->regs->sp < (unsigned long)task_pt_regs(state->task)) goto the_end; + /* + * There are some known frame pointer issues on 32-bit. Disable + * unwinder warnings on 32-bit until it gets objtool support. + */ + if (IS_ENABLED(CONFIG_X86_32)) + goto the_end; + if (state->regs) { printk_deferred_once(KERN_WARNING "WARNING: kernel stack regs at %p in %s:%d has bad 'bp' value %p\n", diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c index 570b70d3f604..b95007e7c1b3 100644 --- a/arch/x86/kernel/unwind_orc.c +++ b/arch/x86/kernel/unwind_orc.c @@ -86,8 +86,8 @@ static struct orc_entry *orc_find(unsigned long ip) idx = (ip - LOOKUP_START_IP) / LOOKUP_BLOCK_SIZE; if (unlikely((idx >= lookup_num_blocks-1))) { - orc_warn("WARNING: bad lookup idx: idx=%u num=%u ip=%lx\n", - idx, lookup_num_blocks, ip); + orc_warn("WARNING: bad lookup idx: idx=%u num=%u ip=%pB\n", + idx, lookup_num_blocks, (void *)ip); return NULL; } @@ -96,8 +96,8 @@ static struct orc_entry *orc_find(unsigned long ip) if (unlikely((__start_orc_unwind + start >= __stop_orc_unwind) || (__start_orc_unwind + stop > __stop_orc_unwind))) { - orc_warn("WARNING: bad lookup value: idx=%u num=%u start=%u stop=%u ip=%lx\n", - idx, lookup_num_blocks, start, stop, ip); + orc_warn("WARNING: bad lookup value: idx=%u num=%u start=%u stop=%u ip=%pB\n", + idx, lookup_num_blocks, start, stop, (void *)ip); return NULL; } @@ -373,7 +373,7 @@ bool unwind_next_frame(struct unwind_state *state) case ORC_REG_R10: if (!state->regs || !state->full_regs) { - orc_warn("missing regs for base reg R10 at ip %p\n", + orc_warn("missing regs for base reg R10 at ip %pB\n", (void *)state->ip); goto done; } @@ -382,7 +382,7 @@ bool unwind_next_frame(struct unwind_state *state) case ORC_REG_R13: if (!state->regs || !state->full_regs) { - orc_warn("missing regs for base reg R13 at ip %p\n", + orc_warn("missing regs for base reg R13 at ip %pB\n", (void *)state->ip); goto done; } @@ -391,7 +391,7 @@ bool unwind_next_frame(struct unwind_state *state) case ORC_REG_DI: if (!state->regs || !state->full_regs) { - orc_warn("missing regs for base reg DI at ip %p\n", + orc_warn("missing regs for base reg DI at ip %pB\n", (void *)state->ip); goto done; } @@ -400,7 +400,7 @@ bool unwind_next_frame(struct unwind_state *state) case ORC_REG_DX: if (!state->regs || !state->full_regs) { - orc_warn("missing regs for base reg DX at ip %p\n", + orc_warn("missing regs for base reg DX at ip %pB\n", (void *)state->ip); goto done; } @@ -408,7 +408,7 @@ bool unwind_next_frame(struct unwind_state *state) break; default: - orc_warn("unknown SP base reg %d for ip %p\n", + orc_warn("unknown SP base reg %d for ip %pB\n", orc->sp_reg, (void *)state->ip); goto done; } @@ -436,7 +436,7 @@ bool unwind_next_frame(struct unwind_state *state) case ORC_TYPE_REGS: if (!deref_stack_regs(state, sp, &state->ip, &state->sp, true)) { - orc_warn("can't dereference registers at %p for ip %p\n", + orc_warn("can't dereference registers at %p for ip %pB\n", (void *)sp, (void *)orig_ip); goto done; } @@ -448,7 +448,7 @@ bool unwind_next_frame(struct unwind_state *state) case ORC_TYPE_REGS_IRET: if (!deref_stack_regs(state, sp, &state->ip, &state->sp, false)) { - orc_warn("can't dereference iret registers at %p for ip %p\n", + orc_warn("can't dereference iret registers at %p for ip %pB\n", (void *)sp, (void *)orig_ip); goto done; } @@ -465,7 +465,8 @@ bool unwind_next_frame(struct unwind_state *state) break; default: - orc_warn("unknown .orc_unwind entry type %d\n", orc->type); + orc_warn("unknown .orc_unwind entry type %d for ip %pB\n", + orc->type, (void *)orig_ip); break; } @@ -487,7 +488,7 @@ bool unwind_next_frame(struct unwind_state *state) break; default: - orc_warn("unknown BP base reg %d for ip %p\n", + orc_warn("unknown BP base reg %d for ip %pB\n", orc->bp_reg, (void *)orig_ip); goto done; } @@ -496,7 +497,7 @@ bool unwind_next_frame(struct unwind_state *state) if (state->stack_info.type == prev_type && on_stack(&state->stack_info, (void *)state->sp, sizeof(long)) && state->sp <= prev_sp) { - orc_warn("stack going in the wrong direction? ip=%p\n", + orc_warn("stack going in the wrong direction? ip=%pB\n", (void *)orig_ip); goto done; } diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index 7924a5356c8a..68244742ecb0 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1994 Linus Torvalds * diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index f05f00acac89..a4009fb9be87 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ld script for the x86 kernel * diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 3c48bc8bf08c..3df51c287844 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # KVM configuration # diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index 09d4b17be022..dc4f2fdf5e57 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y += -Iarch/x86/kvm diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index 0bc5c1315708..cdc70a3a6583 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_X86_KVM_CPUID_H #define ARCH_X86_KVM_CPUID_H diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h index 600bee9dcbbd..394d9527da7e 100644 --- a/arch/x86/kvm/i8254.h +++ b/arch/x86/kvm/i8254.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __I8254_H #define __I8254_H diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h index 29ce19732ccf..ea1a4e0297da 100644 --- a/arch/x86/kvm/ioapic.h +++ b/arch/x86/kvm/ioapic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __KVM_IO_APIC_H #define __KVM_IO_APIC_H diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h index 9add410f195f..f500293dad8d 100644 --- a/arch/x86/kvm/kvm_cache_regs.h +++ b/arch/x86/kvm/kvm_cache_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASM_KVM_CACHE_REGS_H #define ASM_KVM_CACHE_REGS_H diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 69c5612be786..36c90d631096 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1992,6 +1992,11 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) vcpu->arch.apic_base | MSR_IA32_APICBASE_BSP); vcpu->arch.pv_eoi.msr_val = 0; apic_update_ppr(apic); + if (vcpu->arch.apicv_active) { + kvm_x86_ops->apicv_post_state_restore(vcpu); + kvm_x86_ops->hwapic_irr_update(vcpu, -1); + kvm_x86_ops->hwapic_isr_update(vcpu, -1); + } vcpu->arch.apic_arb_prio = 0; vcpu->arch.apic_attention = 0; diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 215721e1426a..4b9935a38347 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __KVM_X86_LAPIC_H #define __KVM_X86_LAPIC_H diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 106d4a029a8a..7a69cf053711 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3974,19 +3974,19 @@ static inline bool is_last_gpte(struct kvm_mmu *mmu, unsigned level, unsigned gpte) { /* - * PT_PAGE_TABLE_LEVEL always terminates. The RHS has bit 7 set - * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means - * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then. - */ - gpte |= level - PT_PAGE_TABLE_LEVEL - 1; - - /* * The RHS has bit 7 set iff level < mmu->last_nonleaf_level. * If it is clear, there are no large pages at this level, so clear * PT_PAGE_SIZE_MASK in gpte if that is the case. */ gpte &= level - mmu->last_nonleaf_level; + /* + * PT_PAGE_TABLE_LEVEL always terminates. The RHS has bit 7 set + * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means + * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then. + */ + gpte |= level - PT_PAGE_TABLE_LEVEL - 1; + return gpte & PT_PAGE_SIZE_MASK; } @@ -4555,6 +4555,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, update_permission_bitmask(vcpu, context, true); update_pkru_bitmask(vcpu, context, true); + update_last_nonleaf_level(vcpu, context); reset_rsvds_bits_mask_ept(vcpu, context, execonly); reset_ept_shadow_zero_bits_mask(vcpu, context, execonly); } diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 64a2dbd2b1af..efc857615d8e 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __KVM_X86_MMU_H #define __KVM_X86_MMU_H diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index 8b97a6cba8d1..c73bf4e4988c 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_TRACE_KVMMMU_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_KVMMMU_H diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 86b68dc5a649..f18d1f8d332b 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -334,10 +334,11 @@ retry_walk: --walker->level; index = PT_INDEX(addr, walker->level); - table_gfn = gpte_to_gfn(pte); offset = index * sizeof(pt_element_t); pte_gpa = gfn_to_gpa(table_gfn) + offset; + + BUG_ON(walker->level < 1); walker->table_gfn[walker->level - 1] = table_gfn; walker->pte_gpa[walker->level - 1] = pte_gpa; diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index f96e1f962587..a9a62b9a73e2 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __KVM_X86_PMU_H #define __KVM_X86_PMU_H diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 8a202c49e2a0..9807c314c478 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_KVM_H diff --git a/arch/x86/kvm/tss.h b/arch/x86/kvm/tss.h index 622aa10f692f..3f9150125e70 100644 --- a/arch/x86/kvm/tss.h +++ b/arch/x86/kvm/tss.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __TSS_SEGMENT_H #define __TSS_SEGMENT_H diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a2b804e10c95..a6f4f095f8f4 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -5619,9 +5619,6 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu); - if (kvm_vcpu_apicv_active(vcpu)) - memset(&vmx->pi_desc, 0, sizeof(struct pi_desc)); - if (vmx->vpid != 0) vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid); @@ -11297,7 +11294,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, /* Same as above - no reason to call set_cr4_guest_host_mask(). */ vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK); - kvm_set_cr4(vcpu, vmcs12->host_cr4); + vmx_set_cr4(vcpu, vmcs12->host_cr4); nested_ept_uninit_mmu_context(vcpu); diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index 51e349cf5f45..d0b95b7a90b4 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_X86_KVM_X86_H #define ARCH_X86_KVM_X86_H diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 34a74131a12c..457f681ef379 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for x86 specific library files. # diff --git a/arch/x86/lib/cache-smp.c b/arch/x86/lib/cache-smp.c index 216a629a4a1a..1811fa4a1b1a 100644 --- a/arch/x86/lib/cache-smp.c +++ b/arch/x86/lib/cache-smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/smp.h> #include <linux/export.h> diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S index e8508156c99d..fd2d09afa097 100644 --- a/arch/x86/lib/copy_page_64.S +++ b/arch/x86/lib/copy_page_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Written 2003 by Andi Kleen, based on a kernel by Evandro Menezes */ #include <linux/linkage.h> diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c index 378e5d5bf9b1..9baca3e054be 100644 --- a/arch/x86/lib/csum-partial_64.c +++ b/arch/x86/lib/csum-partial_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/x86_64/lib/csum-partial.c * diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c index 29df077cb089..553f8fd23cc4 100644 --- a/arch/x86/lib/delay.c +++ b/arch/x86/lib/delay.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Precise Delay Loops for i386 * diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S index 37b62d412148..c97d935a29e8 100644 --- a/arch/x86/lib/getuser.S +++ b/arch/x86/lib/getuser.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * __get_user functions. * diff --git a/arch/x86/lib/hweight.S b/arch/x86/lib/hweight.S index 23d893cbc200..a14f9939c365 100644 --- a/arch/x86/lib/hweight.S +++ b/arch/x86/lib/hweight.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/x86/lib/kaslr.c b/arch/x86/lib/kaslr.c index ab2d1d73e9e7..79778ab200e4 100644 --- a/arch/x86/lib/kaslr.c +++ b/arch/x86/lib/kaslr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Entropy functions used on early boot for KASLR base and memory * randomization. The base randomization is done in the compressed diff --git a/arch/x86/lib/memcpy_32.c b/arch/x86/lib/memcpy_32.c index 2eab7d0bfedd..e565d1c9019e 100644 --- a/arch/x86/lib/memcpy_32.c +++ b/arch/x86/lib/memcpy_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/string.h> #include <linux/export.h> diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S index 15de86cd15b0..bbec69d8223b 100644 --- a/arch/x86/lib/memmove_64.S +++ b/arch/x86/lib/memmove_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Normally compiler builtins are used, but sometimes the compiler calls out * of line code. Based on asm-i386/string.h. diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S index 55b95db30a61..9bc861c71e75 100644 --- a/arch/x86/lib/memset_64.S +++ b/arch/x86/lib/memset_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright 2002 Andi Kleen, SuSE Labs */ #include <linux/linkage.h> diff --git a/arch/x86/lib/misc.c b/arch/x86/lib/misc.c index 76b373af03f0..a018ec4fba53 100644 --- a/arch/x86/lib/misc.c +++ b/arch/x86/lib/misc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Count the digits of @val including a possible sign. * diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c index c2311a678332..4321fa02e18d 100644 --- a/arch/x86/lib/mmx_32.c +++ b/arch/x86/lib/mmx_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MMX 3DNow! library helper functions * diff --git a/arch/x86/lib/msr-reg-export.c b/arch/x86/lib/msr-reg-export.c index ff29e8d39414..876b4168ab0a 100644 --- a/arch/x86/lib/msr-reg-export.c +++ b/arch/x86/lib/msr-reg-export.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <asm/msr.h> diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S index 10ffa7e8519f..ed33cbab3958 100644 --- a/arch/x86/lib/msr-reg.S +++ b/arch/x86/lib/msr-reg.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <linux/errno.h> #include <asm/asm.h> diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c index ce68b6a9d7d1..693cce0be82d 100644 --- a/arch/x86/lib/msr-smp.c +++ b/arch/x86/lib/msr-smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/preempt.h> #include <linux/smp.h> diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c index 07764255b611..3bd905e10ee2 100644 --- a/arch/x86/lib/msr.c +++ b/arch/x86/lib/msr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/percpu.h> #include <linux/preempt.h> diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S index cd5d716d2897..96dce5fe2a35 100644 --- a/arch/x86/lib/putuser.S +++ b/arch/x86/lib/putuser.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * __put_user functions. * diff --git a/arch/x86/lib/string_32.c b/arch/x86/lib/string_32.c index dc0ad12f80bb..d15fdae9656e 100644 --- a/arch/x86/lib/string_32.c +++ b/arch/x86/lib/string_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Most of the string-functions are rather heavily hand-optimized, * see especially strsep,strstr,str[c]spn. They should work, but are not diff --git a/arch/x86/lib/strstr_32.c b/arch/x86/lib/strstr_32.c index a03b1c750bfe..38f37df056f7 100644 --- a/arch/x86/lib/strstr_32.c +++ b/arch/x86/lib/strstr_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/string.h> #include <linux/export.h> diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index bd057a4ffe6e..1b377f734e64 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * User address space access functions. * The non inlined parts of asm-i386/uaccess.h are here. diff --git a/arch/x86/math-emu/Makefile b/arch/x86/math-emu/Makefile index 1b2dac174321..02211fc6f2ec 100644 --- a/arch/x86/math-emu/Makefile +++ b/arch/x86/math-emu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for wm-FPU-emu # diff --git a/arch/x86/math-emu/control_w.h b/arch/x86/math-emu/control_w.h index ae2274dbd305..60f4dcc5edc3 100644 --- a/arch/x86/math-emu/control_w.h +++ b/arch/x86/math-emu/control_w.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | control_w.h | | | diff --git a/arch/x86/math-emu/div_Xsig.S b/arch/x86/math-emu/div_Xsig.S index 066996dba6a2..ee08449d20fd 100644 --- a/arch/x86/math-emu/div_Xsig.S +++ b/arch/x86/math-emu/div_Xsig.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "div_Xsig.S" /*---------------------------------------------------------------------------+ | div_Xsig.S | diff --git a/arch/x86/math-emu/div_small.S b/arch/x86/math-emu/div_small.S index 2c71527bd917..8f5025c80ee0 100644 --- a/arch/x86/math-emu/div_small.S +++ b/arch/x86/math-emu/div_small.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "div_small.S" /*---------------------------------------------------------------------------+ | div_small.S | diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c index 2ccc424a57d9..6b468517ab71 100644 --- a/arch/x86/math-emu/errors.c +++ b/arch/x86/math-emu/errors.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | errors.c | | | diff --git a/arch/x86/math-emu/exception.h b/arch/x86/math-emu/exception.h index 67f43a4683d5..75230b977577 100644 --- a/arch/x86/math-emu/exception.h +++ b/arch/x86/math-emu/exception.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | exception.h | | | diff --git a/arch/x86/math-emu/fpu_arith.c b/arch/x86/math-emu/fpu_arith.c index aeab24e083c4..09006dc474a0 100644 --- a/arch/x86/math-emu/fpu_arith.c +++ b/arch/x86/math-emu/fpu_arith.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | fpu_arith.c | | | diff --git a/arch/x86/math-emu/fpu_asm.h b/arch/x86/math-emu/fpu_asm.h index 955b932735a4..a83353d5271c 100644 --- a/arch/x86/math-emu/fpu_asm.h +++ b/arch/x86/math-emu/fpu_asm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | fpu_asm.h | | | diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c index 024f6e971174..034748459482 100644 --- a/arch/x86/math-emu/fpu_aux.c +++ b/arch/x86/math-emu/fpu_aux.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | fpu_aux.c | | | diff --git a/arch/x86/math-emu/fpu_emu.h b/arch/x86/math-emu/fpu_emu.h index c9c320dccca1..a5a41ec58072 100644 --- a/arch/x86/math-emu/fpu_emu.h +++ b/arch/x86/math-emu/fpu_emu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | fpu_emu.h | | | diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index 220638a4cb94..9e2ba7e667f6 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | fpu_entry.c | | | diff --git a/arch/x86/math-emu/fpu_etc.c b/arch/x86/math-emu/fpu_etc.c index 233e5af566f5..1b118fd93140 100644 --- a/arch/x86/math-emu/fpu_etc.c +++ b/arch/x86/math-emu/fpu_etc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | fpu_etc.c | | | diff --git a/arch/x86/math-emu/fpu_proto.h b/arch/x86/math-emu/fpu_proto.h index caff438b9c1d..70d35c200945 100644 --- a/arch/x86/math-emu/fpu_proto.h +++ b/arch/x86/math-emu/fpu_proto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FPU_PROTO_H #define _FPU_PROTO_H diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h index 699f329f1d40..c8b1b31ed7c4 100644 --- a/arch/x86/math-emu/fpu_system.h +++ b/arch/x86/math-emu/fpu_system.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | fpu_system.h | | | diff --git a/arch/x86/math-emu/fpu_tags.c b/arch/x86/math-emu/fpu_tags.c index d9c657cd7746..bff95d4e7dca 100644 --- a/arch/x86/math-emu/fpu_tags.c +++ b/arch/x86/math-emu/fpu_tags.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | fpu_tags.c | | | diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c index ecd06680581c..783c509f957a 100644 --- a/arch/x86/math-emu/fpu_trig.c +++ b/arch/x86/math-emu/fpu_trig.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | fpu_trig.c | | | diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c index c48967c6a0e2..b82ca14ba718 100644 --- a/arch/x86/math-emu/get_address.c +++ b/arch/x86/math-emu/get_address.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | get_address.c | | | diff --git a/arch/x86/math-emu/load_store.c b/arch/x86/math-emu/load_store.c index 1643054766eb..f821a9cd7753 100644 --- a/arch/x86/math-emu/load_store.c +++ b/arch/x86/math-emu/load_store.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | load_store.c | | | diff --git a/arch/x86/math-emu/mul_Xsig.S b/arch/x86/math-emu/mul_Xsig.S index 22e0631bb85a..3e489122a2b0 100644 --- a/arch/x86/math-emu/mul_Xsig.S +++ b/arch/x86/math-emu/mul_Xsig.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | mul_Xsig.S | | | diff --git a/arch/x86/math-emu/poly.h b/arch/x86/math-emu/poly.h index 168eb44c93c8..fc1c887ca073 100644 --- a/arch/x86/math-emu/poly.h +++ b/arch/x86/math-emu/poly.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | poly.h | | | diff --git a/arch/x86/math-emu/poly_2xm1.c b/arch/x86/math-emu/poly_2xm1.c index b00e9e10cdce..aa33006bafd5 100644 --- a/arch/x86/math-emu/poly_2xm1.c +++ b/arch/x86/math-emu/poly_2xm1.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | poly_2xm1.c | | | diff --git a/arch/x86/math-emu/poly_atan.c b/arch/x86/math-emu/poly_atan.c index 20c28e58e2d4..7e7412c5a1fe 100644 --- a/arch/x86/math-emu/poly_atan.c +++ b/arch/x86/math-emu/poly_atan.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | poly_atan.c | | | diff --git a/arch/x86/math-emu/poly_l2.c b/arch/x86/math-emu/poly_l2.c index 8e2ff4b28a0a..98b6949bb854 100644 --- a/arch/x86/math-emu/poly_l2.c +++ b/arch/x86/math-emu/poly_l2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | poly_l2.c | | | diff --git a/arch/x86/math-emu/poly_sin.c b/arch/x86/math-emu/poly_sin.c index b862039c728e..c192fba51526 100644 --- a/arch/x86/math-emu/poly_sin.c +++ b/arch/x86/math-emu/poly_sin.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | poly_sin.c | | | diff --git a/arch/x86/math-emu/poly_tan.c b/arch/x86/math-emu/poly_tan.c index 1875763e0c02..1f5b1d712323 100644 --- a/arch/x86/math-emu/poly_tan.c +++ b/arch/x86/math-emu/poly_tan.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | poly_tan.c | | | diff --git a/arch/x86/math-emu/polynom_Xsig.S b/arch/x86/math-emu/polynom_Xsig.S index a9aaf414135d..604f0b2d17e8 100644 --- a/arch/x86/math-emu/polynom_Xsig.S +++ b/arch/x86/math-emu/polynom_Xsig.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | polynomial_Xsig.S | | | diff --git a/arch/x86/math-emu/reg_add_sub.c b/arch/x86/math-emu/reg_add_sub.c index deea48b9f13a..29451dd07556 100644 --- a/arch/x86/math-emu/reg_add_sub.c +++ b/arch/x86/math-emu/reg_add_sub.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_add_sub.c | | | diff --git a/arch/x86/math-emu/reg_compare.c b/arch/x86/math-emu/reg_compare.c index 19b33b50adfa..eacb5128fc09 100644 --- a/arch/x86/math-emu/reg_compare.c +++ b/arch/x86/math-emu/reg_compare.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_compare.c | | | diff --git a/arch/x86/math-emu/reg_constant.c b/arch/x86/math-emu/reg_constant.c index 00548354912f..8dc9095bab22 100644 --- a/arch/x86/math-emu/reg_constant.c +++ b/arch/x86/math-emu/reg_constant.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_constant.c | | | diff --git a/arch/x86/math-emu/reg_constant.h b/arch/x86/math-emu/reg_constant.h index 1bffaec3a134..f2fdd344dcaa 100644 --- a/arch/x86/math-emu/reg_constant.h +++ b/arch/x86/math-emu/reg_constant.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | reg_constant.h | | | diff --git a/arch/x86/math-emu/reg_convert.c b/arch/x86/math-emu/reg_convert.c index 108060779977..251180623ce0 100644 --- a/arch/x86/math-emu/reg_convert.c +++ b/arch/x86/math-emu/reg_convert.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_convert.c | | | diff --git a/arch/x86/math-emu/reg_divide.c b/arch/x86/math-emu/reg_divide.c index 6827012db341..08c2f6de0288 100644 --- a/arch/x86/math-emu/reg_divide.c +++ b/arch/x86/math-emu/reg_divide.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_divide.c | | | diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c index 2c98965a60ba..d40ff45497b9 100644 --- a/arch/x86/math-emu/reg_ld_str.c +++ b/arch/x86/math-emu/reg_ld_str.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_ld_str.c | | | diff --git a/arch/x86/math-emu/reg_mul.c b/arch/x86/math-emu/reg_mul.c index 36c37f71f713..d69618572f14 100644 --- a/arch/x86/math-emu/reg_mul.c +++ b/arch/x86/math-emu/reg_mul.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*---------------------------------------------------------------------------+ | reg_mul.c | | | diff --git a/arch/x86/math-emu/reg_norm.S b/arch/x86/math-emu/reg_norm.S index 53ac1a343c69..7f6b4392a15d 100644 --- a/arch/x86/math-emu/reg_norm.S +++ b/arch/x86/math-emu/reg_norm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | reg_norm.S | | | diff --git a/arch/x86/math-emu/reg_round.S b/arch/x86/math-emu/reg_round.S index 41af5b208d88..04563421ee7d 100644 --- a/arch/x86/math-emu/reg_round.S +++ b/arch/x86/math-emu/reg_round.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "reg_round.S" /*---------------------------------------------------------------------------+ | reg_round.S | diff --git a/arch/x86/math-emu/reg_u_add.S b/arch/x86/math-emu/reg_u_add.S index 3b1bc5e9b2f6..50fe9f8c893c 100644 --- a/arch/x86/math-emu/reg_u_add.S +++ b/arch/x86/math-emu/reg_u_add.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "reg_u_add.S" /*---------------------------------------------------------------------------+ | reg_u_add.S | diff --git a/arch/x86/math-emu/reg_u_div.S b/arch/x86/math-emu/reg_u_div.S index 796eb5ab921b..94d545e118e4 100644 --- a/arch/x86/math-emu/reg_u_div.S +++ b/arch/x86/math-emu/reg_u_div.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "reg_u_div.S" /*---------------------------------------------------------------------------+ | reg_u_div.S | diff --git a/arch/x86/math-emu/reg_u_mul.S b/arch/x86/math-emu/reg_u_mul.S index 6196f68cf3c1..21cde47fb3e5 100644 --- a/arch/x86/math-emu/reg_u_mul.S +++ b/arch/x86/math-emu/reg_u_mul.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "reg_u_mul.S" /*---------------------------------------------------------------------------+ | reg_u_mul.S | diff --git a/arch/x86/math-emu/reg_u_sub.S b/arch/x86/math-emu/reg_u_sub.S index d115b900919a..f05dea7dec38 100644 --- a/arch/x86/math-emu/reg_u_sub.S +++ b/arch/x86/math-emu/reg_u_sub.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "reg_u_sub.S" /*---------------------------------------------------------------------------+ | reg_u_sub.S | diff --git a/arch/x86/math-emu/round_Xsig.S b/arch/x86/math-emu/round_Xsig.S index 87c99749a495..226a51e991f1 100644 --- a/arch/x86/math-emu/round_Xsig.S +++ b/arch/x86/math-emu/round_Xsig.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | round_Xsig.S | | | diff --git a/arch/x86/math-emu/shr_Xsig.S b/arch/x86/math-emu/shr_Xsig.S index c8552edeec75..96f4779aa9c1 100644 --- a/arch/x86/math-emu/shr_Xsig.S +++ b/arch/x86/math-emu/shr_Xsig.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "shr_Xsig.S" /*---------------------------------------------------------------------------+ | shr_Xsig.S | diff --git a/arch/x86/math-emu/status_w.h b/arch/x86/math-emu/status_w.h index 54a3f226982d..b77bafec9526 100644 --- a/arch/x86/math-emu/status_w.h +++ b/arch/x86/math-emu/status_w.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*---------------------------------------------------------------------------+ | status_w.h | | | diff --git a/arch/x86/math-emu/wm_shrx.S b/arch/x86/math-emu/wm_shrx.S index 340dd6897f85..d588874eb6fb 100644 --- a/arch/x86/math-emu/wm_shrx.S +++ b/arch/x86/math-emu/wm_shrx.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "wm_shrx.S" /*---------------------------------------------------------------------------+ | wm_shrx.S | diff --git a/arch/x86/math-emu/wm_sqrt.S b/arch/x86/math-emu/wm_sqrt.S index 695afae38fdf..f031c0e19356 100644 --- a/arch/x86/math-emu/wm_sqrt.S +++ b/arch/x86/math-emu/wm_sqrt.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .file "wm_sqrt.S" /*---------------------------------------------------------------------------+ | wm_sqrt.S | diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile index 72bf8c01c6e3..7ba7f3d7f477 100644 --- a/arch/x86/mm/Makefile +++ b/arch/x86/mm/Makefile @@ -1,5 +1,13 @@ -# Kernel does not boot with instrumentation of tlb.c. -KCOV_INSTRUMENT_tlb.o := n +# SPDX-License-Identifier: GPL-2.0 +# Kernel does not boot with instrumentation of tlb.c and mem_encrypt.c +KCOV_INSTRUMENT_tlb.o := n +KCOV_INSTRUMENT_mem_encrypt.o := n + +KASAN_SANITIZE_mem_encrypt.o := n + +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_mem_encrypt.o = -pg +endif obj-y := init.o init_$(BITS).o fault.o ioremap.o extable.o pageattr.o mmap.o \ pat.o pgtable.o physaddr.o setup_nx.o tlb.o diff --git a/arch/x86/mm/amdtopology.c b/arch/x86/mm/amdtopology.c index 91f501b2da3b..048c761d97b0 100644 --- a/arch/x86/mm/amdtopology.c +++ b/arch/x86/mm/amdtopology.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * AMD NUMA support. * Discover the memory map and associated nodes. diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index e2baeaa053a5..b0ff378650a9 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1995 Linus Torvalds * Copyright (C) 2001, 2002 Andi Kleen, SuSE Labs. @@ -1440,7 +1441,17 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. Since we never set FAULT_FLAG_RETRY_NOWAIT, if * we get VM_FAULT_RETRY back, the mmap_sem has been unlocked. + * + * Note that handle_userfault() may also release and reacquire mmap_sem + * (and not return with VM_FAULT_RETRY), when returning to userland to + * repeat the page fault later with a VM_FAULT_NOPAGE retval + * (potentially after handling any pending signal during the return to + * userland). The return to userland is identified whenever + * FAULT_FLAG_USER|FAULT_FLAG_KILLABLE are both set in flags. + * Thus we have to be careful about not touching vma after handling the + * fault, so we read the pkey beforehand. */ + pkey = vma_pkey(vma); fault = handle_mm_fault(vma, address, flags); major |= fault & VM_FAULT_MAJOR; @@ -1467,7 +1478,6 @@ good_area: return; } - pkey = vma_pkey(vma); up_read(&mm->mmap_sem); if (unlikely(fault & VM_FAULT_ERROR)) { mm_fault_error(regs, error_code, address, &pkey, fault); diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 6d06cf33e3de..8ae0000cbdb3 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IA-32 Huge TLB Page Support for Kernel. * diff --git a/arch/x86/mm/ident_map.c b/arch/x86/mm/ident_map.c index 31cea988fa36..ab33a32df2a8 100644 --- a/arch/x86/mm/ident_map.c +++ b/arch/x86/mm/ident_map.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Helper routines for building identity mapping page tables. This is * included by both the compressed kernel and the regular kernel. diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index bc84b73684b7..8f5be3eb40dd 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define DISABLE_BRANCH_PROFILING #define pr_fmt(fmt) "kasan: " fmt #include <linux/bootmem.h> diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c index af599167fe3c..879ef930e2c2 100644 --- a/arch/x86/mm/kaslr.c +++ b/arch/x86/mm/kaslr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file implements KASLR memory randomization for x86_64. It randomizes * the virtual address space of kernel memory regions (physical memory diff --git a/arch/x86/mm/kmemcheck/error.c b/arch/x86/mm/kmemcheck/error.c index dab41876cdd5..872ec4159a68 100644 --- a/arch/x86/mm/kmemcheck/error.c +++ b/arch/x86/mm/kmemcheck/error.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/interrupt.h> #include <linux/kdebug.h> #include <linux/kmemcheck.h> diff --git a/arch/x86/mm/kmemcheck/error.h b/arch/x86/mm/kmemcheck/error.h index 0efc2e8d0a20..39f80d7a874d 100644 --- a/arch/x86/mm/kmemcheck/error.h +++ b/arch/x86/mm/kmemcheck/error.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH__X86__MM__KMEMCHECK__ERROR_H #define ARCH__X86__MM__KMEMCHECK__ERROR_H diff --git a/arch/x86/mm/kmemcheck/opcode.c b/arch/x86/mm/kmemcheck/opcode.c index 324aa3f07237..df8109ddf7fe 100644 --- a/arch/x86/mm/kmemcheck/opcode.c +++ b/arch/x86/mm/kmemcheck/opcode.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include "opcode.h" diff --git a/arch/x86/mm/kmemcheck/opcode.h b/arch/x86/mm/kmemcheck/opcode.h index 6956aad66b5b..51a1ce94c24a 100644 --- a/arch/x86/mm/kmemcheck/opcode.h +++ b/arch/x86/mm/kmemcheck/opcode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH__X86__MM__KMEMCHECK__OPCODE_H #define ARCH__X86__MM__KMEMCHECK__OPCODE_H diff --git a/arch/x86/mm/kmemcheck/pte.c b/arch/x86/mm/kmemcheck/pte.c index 4ead26eeaf96..8a03be90272a 100644 --- a/arch/x86/mm/kmemcheck/pte.c +++ b/arch/x86/mm/kmemcheck/pte.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/mm.h> #include <asm/pgtable.h> diff --git a/arch/x86/mm/kmemcheck/pte.h b/arch/x86/mm/kmemcheck/pte.h index 9f5966456492..b595612382c2 100644 --- a/arch/x86/mm/kmemcheck/pte.h +++ b/arch/x86/mm/kmemcheck/pte.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH__X86__MM__KMEMCHECK__PTE_H #define ARCH__X86__MM__KMEMCHECK__PTE_H diff --git a/arch/x86/mm/kmemcheck/selftest.c b/arch/x86/mm/kmemcheck/selftest.c index aef7140c0063..7ce0be1f99eb 100644 --- a/arch/x86/mm/kmemcheck/selftest.c +++ b/arch/x86/mm/kmemcheck/selftest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bug.h> #include <linux/kernel.h> diff --git a/arch/x86/mm/kmemcheck/selftest.h b/arch/x86/mm/kmemcheck/selftest.h index 8fed4fe11f95..8d759aae453d 100644 --- a/arch/x86/mm/kmemcheck/selftest.h +++ b/arch/x86/mm/kmemcheck/selftest.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_X86_MM_KMEMCHECK_SELFTEST_H #define ARCH_X86_MM_KMEMCHECK_SELFTEST_H diff --git a/arch/x86/mm/kmemcheck/shadow.h b/arch/x86/mm/kmemcheck/shadow.h index ff0b2f70fbcb..49768dc18664 100644 --- a/arch/x86/mm/kmemcheck/shadow.h +++ b/arch/x86/mm/kmemcheck/shadow.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH__X86__MM__KMEMCHECK__SHADOW_H #define ARCH__X86__MM__KMEMCHECK__SHADOW_H diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index afc47f5c9531..c21c2ed04612 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Support for MMIO probes. * Benfit many code from kprobes * (C) 2002 Louis Zhuang <louis.zhuang@intel.com>. diff --git a/arch/x86/mm/mm_internal.h b/arch/x86/mm/mm_internal.h index 62474ba66c8e..4e1f6e1b8159 100644 --- a/arch/x86/mm/mm_internal.h +++ b/arch/x86/mm/mm_internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __X86_MM_INTERNAL_H #define __X86_MM_INTERNAL_H diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 9ceaa955d2ba..7eb06701a935 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mpx.c - Memory Protection eXtensions * diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 9405ffc91502..066f3511d5f1 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic VM initialization for x86-64 NUMA setups. * Copyright 2002,2003 Andi Kleen, SuSE Labs. diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c index d805162e6045..34a2a3bfde9c 100644 --- a/arch/x86/mm/numa_emulation.c +++ b/arch/x86/mm/numa_emulation.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * NUMA emulation */ diff --git a/arch/x86/mm/numa_internal.h b/arch/x86/mm/numa_internal.h index ad86ec91e640..86860f279662 100644 --- a/arch/x86/mm/numa_internal.h +++ b/arch/x86/mm/numa_internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __X86_MM_NUMA_INTERNAL_H #define __X86_MM_NUMA_INTERNAL_H diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c index 5f169d5d76a8..a25588ad75ef 100644 --- a/arch/x86/mm/pageattr-test.c +++ b/arch/x86/mm/pageattr-test.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * self test for change_page_attr. * diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h index a739bfc40690..eeb5caeb089b 100644 --- a/arch/x86/mm/pat_internal.h +++ b/arch/x86/mm/pat_internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PAT_INTERNAL_H_ #define __PAT_INTERNAL_H_ diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c index d76485b22824..fa16036fa592 100644 --- a/arch/x86/mm/pat_rbtree.c +++ b/arch/x86/mm/pat_rbtree.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Handle caching attributes in page tables (PAT) * diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index b372f3442bbf..17ebc5a978cc 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/mm.h> #include <linux/gfp.h> #include <asm/pgalloc.h> diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index b9bd5b8b14fa..6b9bf023a700 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/sched.h> #include <linux/kernel.h> #include <linux/errno.h> diff --git a/arch/x86/mm/physaddr.c b/arch/x86/mm/physaddr.c index cfc3b9121ce4..7f9acb68324c 100644 --- a/arch/x86/mm/physaddr.c +++ b/arch/x86/mm/physaddr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bootmem.h> #include <linux/mmdebug.h> #include <linux/export.h> diff --git a/arch/x86/mm/physaddr.h b/arch/x86/mm/physaddr.h index a3cd5a0c97b3..9f6419cafc32 100644 --- a/arch/x86/mm/physaddr.h +++ b/arch/x86/mm/physaddr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/processor.h> static inline int phys_addr_valid(resource_size_t addr) diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c index f65a33f505b6..adb3c5784dac 100644 --- a/arch/x86/mm/setup_nx.c +++ b/arch/x86/mm/setup_nx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/spinlock.h> #include <linux/errno.h> #include <linux/init.h> diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index 3ea20d61b523..dac07e4f5834 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ACPI 3.0 based NUMA setup * Copyright 2004 Andi Kleen, SuSE Labs. diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 49d9778376d7..3118392cdf75 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -30,6 +30,7 @@ atomic64_t last_mm_ctx_id = ATOMIC64_INIT(1); + static void choose_new_asid(struct mm_struct *next, u64 next_tlb_gen, u16 *new_asid, bool *need_flush) { @@ -80,10 +81,11 @@ void leave_mm(int cpu) return; /* Warn if we're not lazy. */ - WARN_ON(cpumask_test_cpu(smp_processor_id(), mm_cpumask(loaded_mm))); + WARN_ON(!this_cpu_read(cpu_tlbstate.is_lazy)); switch_mm(NULL, &init_mm, NULL); } +EXPORT_SYMBOL_GPL(leave_mm); void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk) @@ -142,45 +144,24 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, __flush_tlb_all(); } #endif + this_cpu_write(cpu_tlbstate.is_lazy, false); if (real_prev == next) { - VM_BUG_ON(this_cpu_read(cpu_tlbstate.ctxs[prev_asid].ctx_id) != - next->context.ctx_id); - - if (cpumask_test_cpu(cpu, mm_cpumask(next))) { - /* - * There's nothing to do: we weren't lazy, and we - * aren't changing our mm. We don't need to flush - * anything, nor do we need to update CR3, CR4, or - * LDTR. - */ - return; - } - - /* Resume remote flushes and then read tlb_gen. */ - cpumask_set_cpu(cpu, mm_cpumask(next)); - next_tlb_gen = atomic64_read(&next->context.tlb_gen); - - if (this_cpu_read(cpu_tlbstate.ctxs[prev_asid].tlb_gen) < - next_tlb_gen) { - /* - * Ideally, we'd have a flush_tlb() variant that - * takes the known CR3 value as input. This would - * be faster on Xen PV and on hypothetical CPUs - * on which INVPCID is fast. - */ - this_cpu_write(cpu_tlbstate.ctxs[prev_asid].tlb_gen, - next_tlb_gen); - write_cr3(build_cr3(next, prev_asid)); - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, - TLB_FLUSH_ALL); - } + VM_WARN_ON(this_cpu_read(cpu_tlbstate.ctxs[prev_asid].ctx_id) != + next->context.ctx_id); /* - * We just exited lazy mode, which means that CR4 and/or LDTR - * may be stale. (Changes to the required CR4 and LDTR states - * are not reflected in tlb_gen.) + * We don't currently support having a real mm loaded without + * our cpu set in mm_cpumask(). We have all the bookkeeping + * in place to figure out whether we would need to flush + * if our cpu were cleared in mm_cpumask(), but we don't + * currently use it. */ + if (WARN_ON_ONCE(real_prev != &init_mm && + !cpumask_test_cpu(cpu, mm_cpumask(next)))) + cpumask_set_cpu(cpu, mm_cpumask(next)); + + return; } else { u16 new_asid; bool need_flush; @@ -199,10 +180,9 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, } /* Stop remote flushes for the previous mm */ - if (cpumask_test_cpu(cpu, mm_cpumask(real_prev))) - cpumask_clear_cpu(cpu, mm_cpumask(real_prev)); - - VM_WARN_ON_ONCE(cpumask_test_cpu(cpu, mm_cpumask(next))); + VM_WARN_ON_ONCE(!cpumask_test_cpu(cpu, mm_cpumask(real_prev)) && + real_prev != &init_mm); + cpumask_clear_cpu(cpu, mm_cpumask(real_prev)); /* * Start remote flushes and then read tlb_gen. @@ -216,12 +196,22 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, this_cpu_write(cpu_tlbstate.ctxs[new_asid].ctx_id, next->context.ctx_id); this_cpu_write(cpu_tlbstate.ctxs[new_asid].tlb_gen, next_tlb_gen); write_cr3(build_cr3(next, new_asid)); - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, - TLB_FLUSH_ALL); + + /* + * NB: This gets called via leave_mm() in the idle path + * where RCU functions differently. Tracing normally + * uses RCU, so we need to use the _rcuidle variant. + * + * (There is no good reason for this. The idle code should + * be rearranged to call this before rcu_idle_enter().) + */ + trace_tlb_flush_rcuidle(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); } else { /* The new ASID is already up to date. */ write_cr3(build_cr3_noflush(next, new_asid)); - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, 0); + + /* See above wrt _rcuidle. */ + trace_tlb_flush_rcuidle(TLB_FLUSH_ON_TASK_SWITCH, 0); } this_cpu_write(cpu_tlbstate.loaded_mm, next); @@ -233,6 +223,40 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, } /* + * Please ignore the name of this function. It should be called + * switch_to_kernel_thread(). + * + * enter_lazy_tlb() is a hint from the scheduler that we are entering a + * kernel thread or other context without an mm. Acceptable implementations + * include doing nothing whatsoever, switching to init_mm, or various clever + * lazy tricks to try to minimize TLB flushes. + * + * The scheduler reserves the right to call enter_lazy_tlb() several times + * in a row. It will notify us that we're going back to a real mm by + * calling switch_mm_irqs_off(). + */ +void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ + if (this_cpu_read(cpu_tlbstate.loaded_mm) == &init_mm) + return; + + if (tlb_defer_switch_to_init_mm()) { + /* + * There's a significant optimization that may be possible + * here. We have accurate enough TLB flush tracking that we + * don't need to maintain coherence of TLB per se when we're + * lazy. We do, however, need to maintain coherence of + * paging-structure caches. We could, in principle, leave our + * old mm loaded and only switch to init_mm when + * tlb_remove_page() happens. + */ + this_cpu_write(cpu_tlbstate.is_lazy, true); + } else { + switch_mm(NULL, &init_mm, NULL); + } +} + +/* * Call this when reinitializing a CPU. It fixes the following potential * problems: * @@ -303,16 +327,20 @@ static void flush_tlb_func_common(const struct flush_tlb_info *f, /* This code cannot presently handle being reentered. */ VM_WARN_ON(!irqs_disabled()); + if (unlikely(loaded_mm == &init_mm)) + return; + VM_WARN_ON(this_cpu_read(cpu_tlbstate.ctxs[loaded_mm_asid].ctx_id) != loaded_mm->context.ctx_id); - if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(loaded_mm))) { + if (this_cpu_read(cpu_tlbstate.is_lazy)) { /* - * We're in lazy mode -- don't flush. We can get here on - * remote flushes due to races and on local flushes if a - * kernel thread coincidentally flushes the mm it's lazily - * still using. + * We're in lazy mode. We need to at least flush our + * paging-structure cache to avoid speculatively reading + * garbage into our TLB. Since switching to init_mm is barely + * slower than a minimal flush, just switch to init_mm. */ + switch_mm_irqs_off(NULL, &init_mm, NULL); return; } diff --git a/arch/x86/oprofile/Makefile b/arch/x86/oprofile/Makefile index 1599f568f0e2..4d49b5a27025 100644 --- a/arch/x86/oprofile/Makefile +++ b/arch/x86/oprofile/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_OPROFILE) += oprofile.o DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile index 5c6fc3577a49..c806b57d3f22 100644 --- a/arch/x86/pci/Makefile +++ b/arch/x86/pci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y := i386.o init.o obj-$(CONFIG_PCI_BIOS) += pcbios.o diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 3961103e9176..7df49c40665e 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/acpi.h> #include <linux/init.h> diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index ae387e5ee6f7..649bdde63e32 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/pci.h> #include <linux/topology.h> diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c index 6eb3c8af96e2..2752c02e3f0e 100644 --- a/arch/x86/pci/bus_numa.c +++ b/arch/x86/pci/bus_numa.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/pci.h> #include <linux/range.h> diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h index ff8f65b04574..697dd841b118 100644 --- a/arch/x86/pci/bus_numa.h +++ b/arch/x86/pci/bus_numa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BUS_NUMA_H #define __BUS_NUMA_H /* diff --git a/arch/x86/pci/direct.c b/arch/x86/pci/direct.c index 15460590b8c5..2d9503323d10 100644 --- a/arch/x86/pci/direct.c +++ b/arch/x86/pci/direct.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * direct.c - Low-level direct PCI config space access */ diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c index d1067d539bee..f0114007e915 100644 --- a/arch/x86/pci/early.c +++ b/arch/x86/pci/early.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pci.h> #include <asm/pci-direct.h> diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index f2228b150faa..4210da7b44de 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Exceptions for specific devices. Usually work-arounds for fatal design flaws. */ diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 7b4307163eac..ed4ac215305d 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Low-Level PCI Access for i386 machines * diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c index adb62aaa7ecd..5fc617edf108 100644 --- a/arch/x86/pci/init.c +++ b/arch/x86/pci/init.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/init.h> #include <asm/pci_x86.h> diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index b901ece278dd..1012a5f0f98d 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel MID PCI support * Copyright (c) 2008 Intel Corporation diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 0f5f60b14f48..0452629148be 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Low-Level PCI Support for PC -- Routing of Interrupts * diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index d1b47d5bc9c3..96684d0adcf9 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mmconfig-shared.c - Low-level direct PCI config space access via * MMCONFIG - common code between i386 and x86-64. diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c index f1c1aa0430ae..887d181b769b 100644 --- a/arch/x86/pci/mmconfig_64.c +++ b/arch/x86/pci/mmconfig_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mmconfig.c - Low-level direct PCI config space access via MMCONFIG * diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c index 76595408ff53..9c97d814125e 100644 --- a/arch/x86/pci/pcbios.c +++ b/arch/x86/pci/pcbios.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * BIOS32 and PCI BIOS handling. */ diff --git a/arch/x86/platform/Makefile b/arch/x86/platform/Makefile index 184842ef332e..d0e835470d01 100644 --- a/arch/x86/platform/Makefile +++ b/arch/x86/platform/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Platform specific code goes here obj-y += atom/ obj-y += ce4100/ diff --git a/arch/x86/platform/efi/Makefile b/arch/x86/platform/efi/Makefile index 2f56e1ed61c3..e4dc3862d423 100644 --- a/arch/x86/platform/efi/Makefile +++ b/arch/x86/platform/efi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD_efi_thunk_$(BITS).o := y OBJECT_FILES_NON_STANDARD_efi_stub_$(BITS).o := y diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 928b6dceeca0..9061babfbc83 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Common EFI (Extensible Firmware Interface) support functions * Based on Extensible Firmware Interface Specification version 1.0 diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c index 52f7faa1538f..324b93328b37 100644 --- a/arch/x86/platform/efi/efi_32.c +++ b/arch/x86/platform/efi/efi_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Extensible Firmware Interface * diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 12e83888e5b9..20fb31579b69 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * x86_64 specific EFI support functions * Based on Extensible Firmware Interface Specification version 1.0 diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S index 040192b50d02..ab2e91e76894 100644 --- a/arch/x86/platform/efi/efi_stub_32.S +++ b/arch/x86/platform/efi/efi_stub_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * EFI call stub for IA32. * diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S index cd95075944ab..74628ec78f29 100644 --- a/arch/x86/platform/efi/efi_stub_64.S +++ b/arch/x86/platform/efi/efi_stub_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Function calling ABI conversion from Linux to EFI for x86_64 * diff --git a/arch/x86/platform/efi/efi_thunk_64.S b/arch/x86/platform/efi/efi_thunk_64.S index ff85d28c50f2..189b218da87c 100644 --- a/arch/x86/platform/efi/efi_thunk_64.S +++ b/arch/x86/platform/efi/efi_thunk_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2014 Intel Corporation; author Matt Fleming * diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile index 53e0235e308f..480fed21cc7d 100644 --- a/arch/x86/platform/intel-mid/device_libs/Makefile +++ b/arch/x86/platform/intel-mid/device_libs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Family-Level Interface Shim (FLIS) obj-$(subst m,y,$(CONFIG_PINCTRL_MERRIFIELD)) += platform_mrfld_pinctrl.o # SDHCI Devices diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c index b8f562049cad..42f879b75f9b 100644 --- a/arch/x86/platform/intel-quark/imr_selftest.c +++ b/arch/x86/platform/intel-quark/imr_selftest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * imr_selftest.c -- Intel Isolated Memory Region self-test driver * diff --git a/arch/x86/platform/olpc/Makefile b/arch/x86/platform/olpc/Makefile index fd332c533947..049f92a9379d 100644 --- a/arch/x86/platform/olpc/Makefile +++ b/arch/x86/platform/olpc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_OLPC) += olpc.o olpc_ofw.o olpc_dt.o obj-$(CONFIG_OLPC_XO1_PM) += olpc-xo1-pm.o xo1-wakeup.o obj-$(CONFIG_OLPC_XO1_RTC) += olpc-xo1-rtc.o diff --git a/arch/x86/platform/olpc/xo1-wakeup.S b/arch/x86/platform/olpc/xo1-wakeup.S index 948deb289753..5fee3a2c2fd4 100644 --- a/arch/x86/platform/olpc/xo1-wakeup.S +++ b/arch/x86/platform/olpc/xo1-wakeup.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .text #include <linux/linkage.h> #include <asm/segment.h> diff --git a/arch/x86/power/Makefile b/arch/x86/power/Makefile index 05041871ac90..a4701389562c 100644 --- a/arch/x86/power/Makefile +++ b/arch/x86/power/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD_hibernate_asm_$(BITS).o := y # __restore_processor_state() restores %gs after S3 resume and so should not diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S index 1d0fa0e24070..6e56815e13a0 100644 --- a/arch/x86/power/hibernate_asm_32.S +++ b/arch/x86/power/hibernate_asm_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This may not use any stack, nor any variable that is not "NoSave": * diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 7dbdb780264d..2f15a2ac4209 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD := y purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o diff --git a/arch/x86/ras/Kconfig b/arch/x86/ras/Kconfig index bb026699ad19..a9c3db125222 100644 --- a/arch/x86/ras/Kconfig +++ b/arch/x86/ras/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config RAS_CEC bool "Correctable Errors Collector" depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index 1f71980fc5e0..ed84d3917a59 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/io.h> #include <linux/slab.h> #include <linux/memblock.h> diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S index a28221d94e69..30b0d30d861a 100644 --- a/arch/x86/realmode/rm/header.S +++ b/arch/x86/realmode/rm/header.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Real-mode blob header; this should match realmode.h and be * readonly; for mutable data instead add pointers into the .data diff --git a/arch/x86/realmode/rm/realmode.h b/arch/x86/realmode/rm/realmode.h index d74cff6350ed..c76041a35397 100644 --- a/arch/x86/realmode/rm/realmode.h +++ b/arch/x86/realmode/rm/realmode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_X86_REALMODE_RM_REALMODE_H #define ARCH_X86_REALMODE_RM_REALMODE_H diff --git a/arch/x86/realmode/rm/realmode.lds.S b/arch/x86/realmode/rm/realmode.lds.S index 86b2e8d6b1f1..df8e11e26bc3 100644 --- a/arch/x86/realmode/rm/realmode.lds.S +++ b/arch/x86/realmode/rm/realmode.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * realmode.lds.S * diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S index d66c607bdc58..cd2f97b9623b 100644 --- a/arch/x86/realmode/rm/reboot.S +++ b/arch/x86/realmode/rm/reboot.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/segment.h> #include <asm/page_types.h> diff --git a/arch/x86/realmode/rm/stack.S b/arch/x86/realmode/rm/stack.S index 867ae87adfae..8d4cb64799ea 100644 --- a/arch/x86/realmode/rm/stack.S +++ b/arch/x86/realmode/rm/stack.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Common heap and stack allocations */ diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S index 48ddd76bc4c3..2dd866c9e21e 100644 --- a/arch/x86/realmode/rm/trampoline_32.S +++ b/arch/x86/realmode/rm/trampoline_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * Trampoline.S Derived from Setup.S by Linus Torvalds diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S index 614fd7064d0a..de53bd15df5a 100644 --- a/arch/x86/realmode/rm/trampoline_64.S +++ b/arch/x86/realmode/rm/trampoline_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * Trampoline.S Derived from Setup.S by Linus Torvalds diff --git a/arch/x86/realmode/rm/trampoline_common.S b/arch/x86/realmode/rm/trampoline_common.S index b1ecdb9692ad..7c706772ab59 100644 --- a/arch/x86/realmode/rm/trampoline_common.S +++ b/arch/x86/realmode/rm/trampoline_common.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .section ".rodata","a" .balign 16 tr_idt: .fill 1, 6, 0 diff --git a/arch/x86/realmode/rm/wakemain.c b/arch/x86/realmode/rm/wakemain.c index 91405d515ec6..1d6437e6d2ba 100644 --- a/arch/x86/realmode/rm/wakemain.c +++ b/arch/x86/realmode/rm/wakemain.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "wakeup.h" #include "boot.h" diff --git a/arch/x86/realmode/rm/wakeup.h b/arch/x86/realmode/rm/wakeup.h index 7dd86a419f5d..0e4fd08ae447 100644 --- a/arch/x86/realmode/rm/wakeup.h +++ b/arch/x86/realmode/rm/wakeup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for the wakeup data structure at the head of the * wakeup code. diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S index 9e7e14797a72..05ac9c17c811 100644 --- a/arch/x86/realmode/rm/wakeup_asm.S +++ b/arch/x86/realmode/rm/wakeup_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ACPI wakeup real mode startup stub */ diff --git a/arch/x86/realmode/rmpiggy.S b/arch/x86/realmode/rmpiggy.S index 204c6ece0e97..c078dba40cef 100644 --- a/arch/x86/realmode/rmpiggy.S +++ b/arch/x86/realmode/rmpiggy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Wrapper script for the realmode binary as a transport object * before copying to low memory. diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile index 604a37efd4d5..972b8e8d939c 100644 --- a/arch/x86/tools/Makefile +++ b/arch/x86/tools/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 PHONY += posttest ifeq ($(KBUILD_VERBOSE),1) diff --git a/arch/x86/tools/distill.awk b/arch/x86/tools/distill.awk index c13c0ee48ab4..e0edeccc1429 100644 --- a/arch/x86/tools/distill.awk +++ b/arch/x86/tools/distill.awk @@ -1,4 +1,5 @@ #!/bin/awk -f +# SPDX-License-Identifier: GPL-2.0 # Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len # Distills the disassembly as follows: # - Removes all lines except the disassembled instructions. diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index a3d2c62fd805..b02a36b2c14f 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -1,4 +1,5 @@ #!/bin/awk -f +# SPDX-License-Identifier: GPL-2.0 # gen-insn-attr-x86.awk: Instruction attribute table generator # Written by Masami Hiramatsu <mhiramat@redhat.com> # diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index 73eb7fd4aec4..5d73c443e778 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* This is included from relocs_32/64.c */ #define ElfW(type) _ElfW(ELF_BITS, type) diff --git a/arch/x86/tools/relocs.h b/arch/x86/tools/relocs.h index 1d23bf953a4a..43c83c0fd22c 100644 --- a/arch/x86/tools/relocs.h +++ b/arch/x86/tools/relocs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef RELOCS_H #define RELOCS_H diff --git a/arch/x86/tools/relocs_32.c b/arch/x86/tools/relocs_32.c index b2ade2bb4162..9442ff78be83 100644 --- a/arch/x86/tools/relocs_32.c +++ b/arch/x86/tools/relocs_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "relocs.h" #define ELF_BITS 32 diff --git a/arch/x86/tools/relocs_64.c b/arch/x86/tools/relocs_64.c index 56b61b743c4c..9029cb619cb1 100644 --- a/arch/x86/tools/relocs_64.c +++ b/arch/x86/tools/relocs_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "relocs.h" #define ELF_BITS 64 diff --git a/arch/x86/tools/relocs_common.c b/arch/x86/tools/relocs_common.c index acab636bcb34..6634352a20bc 100644 --- a/arch/x86/tools/relocs_common.c +++ b/arch/x86/tools/relocs_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "relocs.h" void die(char *fmt, ...) diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig index ed56a1c4ae73..13ed827c7c66 100644 --- a/arch/x86/um/Kconfig +++ b/arch/x86/um/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration" source "arch/um/Kconfig.common" diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile index 46cbbfe03285..c2d3d7c51e9e 100644 --- a/arch/x86/um/Makefile +++ b/arch/x86/um/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) # diff --git a/arch/x86/um/asm/arch_hweight.h b/arch/x86/um/asm/arch_hweight.h index c656cf443f4a..0d2d5fbb3a39 100644 --- a/arch/x86/um/asm/arch_hweight.h +++ b/arch/x86/um/asm/arch_hweight.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_UM_HWEIGHT_H #define _ASM_UM_HWEIGHT_H diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 00c319048d52..b7d73400ea29 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_UM_BARRIER_H_ #define _ASM_UM_BARRIER_H_ diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h index 54d96f1e3594..2a56cac64687 100644 --- a/arch/x86/um/asm/checksum.h +++ b/arch/x86/um/asm/checksum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_CHECKSUM_H #define __UM_CHECKSUM_H diff --git a/arch/x86/um/asm/desc.h b/arch/x86/um/asm/desc.h index 4ec34a51b62c..34de4e93d945 100644 --- a/arch/x86/um/asm/desc.h +++ b/arch/x86/um/asm/desc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_DESC_H #define __UM_DESC_H diff --git a/arch/x86/um/asm/module.h b/arch/x86/um/asm/module.h index 61af80e932eb..a3b061d66082 100644 --- a/arch/x86/um/asm/module.h +++ b/arch/x86/um/asm/module.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_MODULE_H #define __UM_MODULE_H diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index c77db2288982..593d5f3902bd 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_PROCESSOR_H #define __UM_PROCESSOR_H diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h index b291ca5cf66b..83822fd42204 100644 --- a/arch/x86/um/asm/ptrace.h +++ b/arch/x86/um/asm/ptrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_X86_PTRACE_H #define __UM_X86_PTRACE_H diff --git a/arch/x86/um/asm/segment.h b/arch/x86/um/asm/segment.h index 41dd5e1f3cd7..453db377150d 100644 --- a/arch/x86/um/asm/segment.h +++ b/arch/x86/um/asm/segment.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_SEGMENT_H #define __UM_SEGMENT_H diff --git a/arch/x86/um/asm/syscall.h b/arch/x86/um/asm/syscall.h index 11ab90dc5f14..ef898af102d1 100644 --- a/arch/x86/um/asm/syscall.h +++ b/arch/x86/um/asm/syscall.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_ASM_SYSCALL_H #define __UM_ASM_SYSCALL_H diff --git a/arch/x86/um/elfcore.c b/arch/x86/um/elfcore.c index 7bb89a27a5e4..48a3eb09d951 100644 --- a/arch/x86/um/elfcore.c +++ b/arch/x86/um/elfcore.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/elf.h> #include <linux/coredump.h> #include <linux/fs.h> diff --git a/arch/x86/um/mem_64.c b/arch/x86/um/mem_64.c index 7642e2e2aa61..c027e93d1002 100644 --- a/arch/x86/um/mem_64.c +++ b/arch/x86/um/mem_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/mm.h> #include <asm/elf.h> diff --git a/arch/x86/um/os-Linux/mcontext.c b/arch/x86/um/os-Linux/mcontext.c index 1d33d72c6284..49c3744cac37 100644 --- a/arch/x86/um/os-Linux/mcontext.c +++ b/arch/x86/um/os-Linux/mcontext.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/ucontext.h> #define __FRAME_OFFSETS #include <asm/ptrace.h> diff --git a/arch/x86/um/os-Linux/task_size.c b/arch/x86/um/os-Linux/task_size.c index 5adb6a2fd117..e62174638f00 100644 --- a/arch/x86/um/os-Linux/task_size.c +++ b/arch/x86/um/os-Linux/task_size.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> #include <stdlib.h> #include <signal.h> diff --git a/arch/x86/um/os-Linux/tls.c b/arch/x86/um/os-Linux/tls.c index ed8ea90967dc..3e1b1bf6acbc 100644 --- a/arch/x86/um/os-Linux/tls.c +++ b/arch/x86/um/os-Linux/tls.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <linux/unistd.h> diff --git a/arch/x86/um/setjmp_32.S b/arch/x86/um/setjmp_32.S index 39053192918d..62eaf8c80e04 100644 --- a/arch/x86/um/setjmp_32.S +++ b/arch/x86/um/setjmp_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ # # arch/i386/setjmp.S # diff --git a/arch/x86/um/setjmp_64.S b/arch/x86/um/setjmp_64.S index c56942e1a38c..1b5d40d4ff46 100644 --- a/arch/x86/um/setjmp_64.S +++ b/arch/x86/um/setjmp_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ # # arch/x86_64/setjmp.S # diff --git a/arch/x86/um/shared/sysdep/archsetjmp.h b/arch/x86/um/shared/sysdep/archsetjmp.h index ff7766d28226..166cedbab926 100644 --- a/arch/x86/um/shared/sysdep/archsetjmp.h +++ b/arch/x86/um/shared/sysdep/archsetjmp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef __i386__ #include "archsetjmp_32.h" #else diff --git a/arch/x86/um/shared/sysdep/archsetjmp_32.h b/arch/x86/um/shared/sysdep/archsetjmp_32.h index 0f312085ce1d..fb08f2576438 100644 --- a/arch/x86/um/shared/sysdep/archsetjmp_32.h +++ b/arch/x86/um/shared/sysdep/archsetjmp_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/um/include/sysdep-i386/archsetjmp.h */ diff --git a/arch/x86/um/shared/sysdep/archsetjmp_64.h b/arch/x86/um/shared/sysdep/archsetjmp_64.h index 2af8f12ca161..9b499e457ba0 100644 --- a/arch/x86/um/shared/sysdep/archsetjmp_64.h +++ b/arch/x86/um/shared/sysdep/archsetjmp_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/um/include/sysdep-x86_64/archsetjmp.h */ diff --git a/arch/x86/um/shared/sysdep/faultinfo.h b/arch/x86/um/shared/sysdep/faultinfo.h index 862ecb1c7781..4390803e07a1 100644 --- a/arch/x86/um/shared/sysdep/faultinfo.h +++ b/arch/x86/um/shared/sysdep/faultinfo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef __i386__ #include "faultinfo_32.h" #else diff --git a/arch/x86/um/shared/sysdep/kernel-offsets.h b/arch/x86/um/shared/sysdep/kernel-offsets.h index 7e1d35b6ad5c..a004bffb7b8d 100644 --- a/arch/x86/um/shared/sysdep/kernel-offsets.h +++ b/arch/x86/um/shared/sysdep/kernel-offsets.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/stddef.h> #include <linux/sched.h> #include <linux/elf.h> diff --git a/arch/x86/um/shared/sysdep/ptrace.h b/arch/x86/um/shared/sysdep/ptrace.h index eb9356904ad3..6ca4ecabc55b 100644 --- a/arch/x86/um/shared/sysdep/ptrace.h +++ b/arch/x86/um/shared/sysdep/ptrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SYSDEP_X86_PTRACE_H #define __SYSDEP_X86_PTRACE_H diff --git a/arch/x86/um/shared/sysdep/ptrace_user.h b/arch/x86/um/shared/sysdep/ptrace_user.h index 16cd6b5e71f7..44782bbad41e 100644 --- a/arch/x86/um/shared/sysdep/ptrace_user.h +++ b/arch/x86/um/shared/sysdep/ptrace_user.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <generated/user_constants.h> #define PT_OFFSET(r) ((r) * sizeof(long)) diff --git a/arch/x86/um/shared/sysdep/stub.h b/arch/x86/um/shared/sysdep/stub.h index 3f55e5bd3cec..ce0ca46ad383 100644 --- a/arch/x86/um/shared/sysdep/stub.h +++ b/arch/x86/um/shared/sysdep/stub.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/unistd.h> #include <sys/mman.h> #include <signal.h> diff --git a/arch/x86/um/shared/sysdep/syscalls.h b/arch/x86/um/shared/sysdep/syscalls.h index bd9a89b67e41..b2060ac707f0 100644 --- a/arch/x86/um/shared/sysdep/syscalls.h +++ b/arch/x86/um/shared/sysdep/syscalls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef __i386__ #include "syscalls_32.h" #else diff --git a/arch/x86/um/shared/sysdep/tls.h b/arch/x86/um/shared/sysdep/tls.h index a682db13df23..b968016aa379 100644 --- a/arch/x86/um/shared/sysdep/tls.h +++ b/arch/x86/um/shared/sysdep/tls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SYSDEP_TLS_H #define _SYSDEP_TLS_H diff --git a/arch/x86/um/stub_32.S b/arch/x86/um/stub_32.S index 98816804e131..a193e88536a9 100644 --- a/arch/x86/um/stub_32.S +++ b/arch/x86/um/stub_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <as-layout.h> .section .__syscall_stub, "ax" diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S index ba914b3b8cc4..8a95c5b2eaf9 100644 --- a/arch/x86/um/stub_64.S +++ b/arch/x86/um/stub_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <as-layout.h> .section .__syscall_stub, "ax" diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c index bfce503dffae..9649b5ad2ca2 100644 --- a/arch/x86/um/sys_call_table_32.c +++ b/arch/x86/um/sys_call_table_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c * with some changes for UML. diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c index f306413d3eb6..c8bc7fb8cbd6 100644 --- a/arch/x86/um/sys_call_table_64.c +++ b/arch/x86/um/sys_call_table_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c * with some changes for UML. diff --git a/arch/x86/um/syscalls_32.c b/arch/x86/um/syscalls_32.c index 627d68836b16..5c65254c8f35 100644 --- a/arch/x86/um/syscalls_32.c +++ b/arch/x86/um/syscalls_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/syscalls.h> #include <os.h> diff --git a/arch/x86/um/tls_64.c b/arch/x86/um/tls_64.c index 3ad714373d7f..3a621e0d3925 100644 --- a/arch/x86/um/tls_64.c +++ b/arch/x86/um/tls_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/sched.h> #include <asm/ptrace-abi.h> diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c index 3099c209546f..5b37b7f952dd 100644 --- a/arch/x86/um/user-offsets.c +++ b/arch/x86/um/user-offsets.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> #include <stddef.h> #include <signal.h> diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile index 329406224330..10003359e633 100644 --- a/arch/x86/um/vdso/Makefile +++ b/arch/x86/um/vdso/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Building vDSO images for x86. # diff --git a/arch/x86/um/vdso/checkundef.sh b/arch/x86/um/vdso/checkundef.sh index 7ee90a9b549d..8e3ea6bb956f 100644 --- a/arch/x86/um/vdso/checkundef.sh +++ b/arch/x86/um/vdso/checkundef.sh @@ -1,4 +1,5 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 nm="$1" file="$2" $nm "$file" | grep '^ *U' > /dev/null 2>&1 diff --git a/arch/x86/um/vdso/vdso-layout.lds.S b/arch/x86/um/vdso/vdso-layout.lds.S index 634a2cf62046..439b790df18f 100644 --- a/arch/x86/um/vdso/vdso-layout.lds.S +++ b/arch/x86/um/vdso/vdso-layout.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linker script for vDSO. This is an ELF shared object prelinked to * its virtual address, and with only one read-only segment. diff --git a/arch/x86/um/vdso/vdso.S b/arch/x86/um/vdso/vdso.S index 1cb468adacbb..a4a3870dc059 100644 --- a/arch/x86/um/vdso/vdso.S +++ b/arch/x86/um/vdso/vdso.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/init.h> __INITDATA diff --git a/arch/x86/um/vdso/vdso.lds.S b/arch/x86/um/vdso/vdso.lds.S index b96b2677cad8..73c508587a98 100644 --- a/arch/x86/um/vdso/vdso.lds.S +++ b/arch/x86/um/vdso/vdso.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linker script for 64-bit vDSO. * We #include the file to define the layout details. diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index 1ecd419811a2..f605825a04ab 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # This Kconfig describes xen options # diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index bced7a369a11..d83cb5478f54 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 OBJECT_FILES_NON_STANDARD_xen-asm_$(BITS).o := y OBJECT_FILES_NON_STANDARD_xen-pvh.o := y diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c index 4ba3fd7039b0..6b830d4cb4c8 100644 --- a/arch/x86/xen/apic.c +++ b/arch/x86/xen/apic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <asm/x86_init.h> diff --git a/arch/x86/xen/debugfs.c b/arch/x86/xen/debugfs.c index 1daff5545c0a..13da87918b4f 100644 --- a/arch/x86/xen/debugfs.c +++ b/arch/x86/xen/debugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/debugfs.h> #include <linux/slab.h> diff --git a/arch/x86/xen/debugfs.h b/arch/x86/xen/debugfs.h index 12ebf3325c7b..6b813ad1091c 100644 --- a/arch/x86/xen/debugfs.h +++ b/arch/x86/xen/debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XEN_DEBUGFS_H #define _XEN_DEBUGFS_H diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 0e7ef69e8531..d669e9d89001 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -93,11 +93,11 @@ int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int), int rc; rc = cpuhp_setup_state_nocalls(CPUHP_XEN_PREPARE, - "x86/xen/hvm_guest:prepare", + "x86/xen/guest:prepare", cpu_up_prepare_cb, cpu_dead_cb); if (rc >= 0) { rc = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, - "x86/xen/hvm_guest:online", + "x86/xen/guest:online", xen_cpu_up_online, NULL); if (rc < 0) cpuhp_remove_state_nocalls(CPUHP_XEN_PREPARE); diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 73f809a6ca87..7b3b17f2ab50 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Core of Xen paravirt_ops implementation. * diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 98ab17673454..7bd3ee08393e 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/acpi.h> #include <xen/hvc-console.h> diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c index d4eff5676cfa..74179852e46c 100644 --- a/arch/x86/xen/irq.c +++ b/arch/x86/xen/irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/hardirq.h> #include <asm/x86_init.h> diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h index 3fe2b3292915..a7e47cf7ec6c 100644 --- a/arch/x86/xen/mmu.h +++ b/arch/x86/xen/mmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XEN_MMU_H #include <linux/linkage.h> diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c index 1c57f1cd545c..2cfcfe4f6b2a 100644 --- a/arch/x86/xen/mmu_hvm.c +++ b/arch/x86/xen/mmu_hvm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/crash_dump.h> diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c index ea54a08d8301..dc502ca8263e 100644 --- a/arch/x86/xen/multicalls.c +++ b/arch/x86/xen/multicalls.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xen hypercall batching. * diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h index 9c2e74f9096c..1c51b2c87f30 100644 --- a/arch/x86/xen/multicalls.h +++ b/arch/x86/xen/multicalls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XEN_MULTICALLS_H #define _XEN_MULTICALLS_H diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c index b9fc52556bcc..7d00d4ad44d4 100644 --- a/arch/x86/xen/pmu.c +++ b/arch/x86/xen/pmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/interrupt.h> diff --git a/arch/x86/xen/pmu.h b/arch/x86/xen/pmu.h index 4be5355b56f7..0e83a160589b 100644 --- a/arch/x86/xen/pmu.h +++ b/arch/x86/xen/pmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __XEN_PMU_H #define __XEN_PMU_H diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index ac55c02f98e9..c114ca767b3b 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Machine specific setup for xen * diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index e7f02eb73727..77c959cf81e7 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/smp.h> #include <linux/cpu.h> #include <linux/slab.h> diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h index 87d3c76cba37..bd02f9d50107 100644 --- a/arch/x86/xen/smp.h +++ b/arch/x86/xen/smp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XEN_SMP_H #ifdef CONFIG_SMP diff --git a/arch/x86/xen/smp_hvm.c b/arch/x86/xen/smp_hvm.c index fd60abedf658..f8d39440b292 100644 --- a/arch/x86/xen/smp_hvm.c +++ b/arch/x86/xen/smp_hvm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <asm/smp.h> #include <xen/events.h> diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index 51471408fdd1..05f91ce9b55e 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xen SMP support * diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 25a7c4302ce7..08324c64005d 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Split spinlock implementation out into its own file, so it can be * compiled in a FTRACE-compatible way. diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c index d6b1680693a9..92bf5ecb6baf 100644 --- a/arch/x86/xen/suspend.c +++ b/arch/x86/xen/suspend.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/tick.h> diff --git a/arch/x86/xen/suspend_hvm.c b/arch/x86/xen/suspend_hvm.c index 484999416d8b..e666b614cf6d 100644 --- a/arch/x86/xen/suspend_hvm.c +++ b/arch/x86/xen/suspend_hvm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <xen/xen.h> diff --git a/arch/x86/xen/suspend_pv.c b/arch/x86/xen/suspend_pv.c index 3abe4f07f34a..a2e0f110af56 100644 --- a/arch/x86/xen/suspend_pv.c +++ b/arch/x86/xen/suspend_pv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <asm/fixmap.h> diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 1ecb05db3632..80c2a4bdf230 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xen time implementation. * diff --git a/arch/x86/xen/trace.c b/arch/x86/xen/trace.c index a702ec2f5931..329f60eb95de 100644 --- a/arch/x86/xen/trace.c +++ b/arch/x86/xen/trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/ftrace.h> #include <xen/interface/xen.h> #include <xen/interface/xen-mca.h> diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c index 6722e3733f02..e336f223f7f4 100644 --- a/arch/x86/xen/vga.c +++ b/arch/x86/xen/vga.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/screen_info.h> #include <linux/init.h> diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index dcd31fa39b5d..8019edd0125c 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Asm versions of Xen pv-ops, suitable for direct use. * diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S index 1200e262a116..c15db060a242 100644 --- a/arch/x86/xen/xen-asm_32.S +++ b/arch/x86/xen/xen-asm_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Asm versions of Xen pv-ops, suitable for direct use. * diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S index dae2cc33afb5..c98a48c861fd 100644 --- a/arch/x86/xen/xen-asm_64.S +++ b/arch/x86/xen/xen-asm_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Asm versions of Xen pv-ops, suitable for direct use. * diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index a7525e95d53f..b5b8d7f43557 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Xen-specific pieces of head.S, intended to be included in the right place in head.S */ diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index c8a6d224f7ed..f377e1820c6c 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef XEN_OPS_H #define XEN_OPS_H |