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authorLinus Torvalds2015-06-28 13:55:08 -0700
committerLinus Torvalds2015-06-28 13:55:08 -0700
commit21dc2e6c6d552702736ad3603fe9b074654d3932 (patch)
tree90f3ef090166756324097493ef05417217791684 /arch/x86/um
parentb779157dd3db6199b50e7ad64678a1ceedbeebcf (diff)
parentda028d5e5463dabb6ede2f5e3f6cced1283988cc (diff)
Merge branch 'for-linus-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger: - remove hppfs ("HonePot ProcFS") - initial support for musl libc - uaccess cleanup - random cleanups and bug fixes all over the place * 'for-linus-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (21 commits) um: Don't pollute kernel namespace with uapi um: Include sys/types.h for makedev(), major(), minor() um: Do not use stdin and stdout identifiers for struct members um: Do not use __ptr_t type for stack_t's .ss pointer um: Fix mconsole dependency um: Handle tracehook_report_syscall_entry() result um: Remove copy&paste code from init.h um: Stop abusing __KERNEL__ um: Catch unprotected user memory access um: Fix warning in setup_signal_stack_si() um: Rework uaccess code um: Add uaccess.h to ldt.c um: Add uaccess.h to syscalls_64.c um: Add asm/elf.h to vma.c um: Cleanup mem_32/64.c headers um: Remove hppfs um: Move syscall() declaration into os.h um: kernel: ksyms: Export symbol syscall() for fixing modpost issue um/os-Linux: Use char[] for syscall_stub declarations um: Use char[] for linker script address declarations ...
Diffstat (limited to 'arch/x86/um')
-rw-r--r--arch/x86/um/asm/checksum.h1
-rw-r--r--arch/x86/um/asm/elf.h2
-rw-r--r--arch/x86/um/asm/processor.h2
-rw-r--r--arch/x86/um/asm/segment.h8
-rw-r--r--arch/x86/um/ldt.c1
-rw-r--r--arch/x86/um/mem_32.c3
-rw-r--r--arch/x86/um/mem_64.c3
-rw-r--r--arch/x86/um/ptrace_32.c1
-rw-r--r--arch/x86/um/ptrace_64.c1
-rw-r--r--arch/x86/um/shared/sysdep/tls.h6
-rw-r--r--arch/x86/um/signal.c3
-rw-r--r--arch/x86/um/syscalls_64.c1
-rw-r--r--arch/x86/um/tls_32.c1
-rw-r--r--arch/x86/um/tls_64.c1
-rw-r--r--arch/x86/um/vdso/vma.c1
15 files changed, 25 insertions, 10 deletions
diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h
index 4b181b74454f..ee940185e89f 100644
--- a/arch/x86/um/asm/checksum.h
+++ b/arch/x86/um/asm/checksum.h
@@ -3,6 +3,7 @@
#include <linux/string.h>
#include <linux/in6.h>
+#include <linux/uaccess.h>
/*
* computes the checksum of a memory block at buff, length len,
diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h
index 0a656b727b1a..548197212a45 100644
--- a/arch/x86/um/asm/elf.h
+++ b/arch/x86/um/asm/elf.h
@@ -200,8 +200,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_i387_struct elf_fpregset_t;
-#define task_pt_regs(t) (&(t)->thread.regs)
-
struct task_struct;
extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h
index 2a206d2b14ab..233ee09c1ce8 100644
--- a/arch/x86/um/asm/processor.h
+++ b/arch/x86/um/asm/processor.h
@@ -28,6 +28,8 @@ static inline void rep_nop(void)
#define cpu_relax() rep_nop()
#define cpu_relax_lowlatency() cpu_relax()
+#define task_pt_regs(t) (&(t)->thread.regs)
+
#include <asm/processor-generic.h>
#endif
diff --git a/arch/x86/um/asm/segment.h b/arch/x86/um/asm/segment.h
index 45183fcd10b6..41dd5e1f3cd7 100644
--- a/arch/x86/um/asm/segment.h
+++ b/arch/x86/um/asm/segment.h
@@ -7,4 +7,12 @@ extern int host_gdt_entry_tls_min;
#define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
+typedef struct {
+ unsigned long seg;
+} mm_segment_t;
+
+#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
+#define KERNEL_DS MAKE_MM_SEG(~0UL)
+#define USER_DS MAKE_MM_SEG(TASK_SIZE)
+
#endif
diff --git a/arch/x86/um/ldt.c b/arch/x86/um/ldt.c
index 5c0b711d2433..9701a4fd7bf2 100644
--- a/arch/x86/um/ldt.c
+++ b/arch/x86/um/ldt.c
@@ -6,6 +6,7 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/uaccess.h>
#include <asm/unistd.h>
#include <os.h>
#include <skas.h>
diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c
index f40281e5d6a2..744afdc18cf3 100644
--- a/arch/x86/um/mem_32.c
+++ b/arch/x86/um/mem_32.c
@@ -7,8 +7,7 @@
*/
#include <linux/mm.h>
-#include <asm/page.h>
-#include <asm/mman.h>
+#include <asm/elf.h>
static struct vm_area_struct gate_vma;
diff --git a/arch/x86/um/mem_64.c b/arch/x86/um/mem_64.c
index f8fecaddcc0d..7642e2e2aa61 100644
--- a/arch/x86/um/mem_64.c
+++ b/arch/x86/um/mem_64.c
@@ -1,6 +1,5 @@
#include <linux/mm.h>
-#include <asm/page.h>
-#include <asm/mman.h>
+#include <asm/elf.h>
const char *arch_vma_name(struct vm_area_struct *vma)
{
diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c
index ce3dd4f36f3f..a29756f2d940 100644
--- a/arch/x86/um/ptrace_32.c
+++ b/arch/x86/um/ptrace_32.c
@@ -6,6 +6,7 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <asm/uaccess.h>
+#include <asm/ptrace-abi.h>
#include <skas.h>
extern int arch_switch_tls(struct task_struct *to);
diff --git a/arch/x86/um/ptrace_64.c b/arch/x86/um/ptrace_64.c
index 3b52bf0b418a..a629694ee750 100644
--- a/arch/x86/um/ptrace_64.c
+++ b/arch/x86/um/ptrace_64.c
@@ -11,6 +11,7 @@
#define __FRAME_OFFSETS
#include <asm/ptrace.h>
#include <asm/uaccess.h>
+#include <asm/ptrace-abi.h>
/*
* determines which flags the user has access to.
diff --git a/arch/x86/um/shared/sysdep/tls.h b/arch/x86/um/shared/sysdep/tls.h
index 27cce00c6b30..a682db13df23 100644
--- a/arch/x86/um/shared/sysdep/tls.h
+++ b/arch/x86/um/shared/sysdep/tls.h
@@ -1,7 +1,7 @@
#ifndef _SYSDEP_TLS_H
#define _SYSDEP_TLS_H
-# ifndef __KERNEL__
+#ifdef __UM_HOST__
/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which
* may be named user_desc (but in 2.4 and in header matching its API was named
@@ -22,11 +22,11 @@ typedef struct um_dup_user_desc {
#endif
} user_desc_t;
-# else /* __KERNEL__ */
+#else /* __UM_HOST__ */
typedef struct user_desc user_desc_t;
-# endif /* __KERNEL__ */
+#endif /* __UM_HOST__ */
extern int os_set_thread_area(user_desc_t *info, int pid);
extern int os_get_thread_area(user_desc_t *info, int pid);
diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c
index 592491d1d70d..06934a8a4872 100644
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -541,7 +541,8 @@ int setup_signal_stack_si(unsigned long stack_top, struct ksignal *ksig,
*/
/* x86-64 should always use SA_RESTORER. */
if (ksig->ka.sa.sa_flags & SA_RESTORER)
- err |= __put_user(ksig->ka.sa.sa_restorer, &frame->pretcode);
+ err |= __put_user((void *)ksig->ka.sa.sa_restorer,
+ &frame->pretcode);
else
/* could use a vstub here */
return err;
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c
index adb08eb5c22a..e6552275320b 100644
--- a/arch/x86/um/syscalls_64.c
+++ b/arch/x86/um/syscalls_64.c
@@ -6,6 +6,7 @@
*/
#include <linux/sched.h>
+#include <linux/uaccess.h>
#include <asm/prctl.h> /* XXX This should get the constants from libc */
#include <os.h>
diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c
index 80ffa5b9982d..48e38584d5c1 100644
--- a/arch/x86/um/tls_32.c
+++ b/arch/x86/um/tls_32.c
@@ -7,6 +7,7 @@
#include <linux/sched.h>
#include <linux/syscalls.h>
#include <asm/uaccess.h>
+#include <asm/ptrace-abi.h>
#include <os.h>
#include <skas.h>
#include <sysdep/tls.h>
diff --git a/arch/x86/um/tls_64.c b/arch/x86/um/tls_64.c
index d22363cb854e..3ad714373d7f 100644
--- a/arch/x86/um/tls_64.c
+++ b/arch/x86/um/tls_64.c
@@ -1,4 +1,5 @@
#include <linux/sched.h>
+#include <asm/ptrace-abi.h>
void clear_flushed_tls(struct task_struct *task)
{
diff --git a/arch/x86/um/vdso/vma.c b/arch/x86/um/vdso/vma.c
index 916cda4cd5b4..237c6831e095 100644
--- a/arch/x86/um/vdso/vma.c
+++ b/arch/x86/um/vdso/vma.c
@@ -10,6 +10,7 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <asm/page.h>
+#include <asm/elf.h>
#include <linux/init.h>
static unsigned int __read_mostly vdso_enabled = 1;