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-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/Makefile2
-rw-r--r--arch/mips/ath25/ar2315.c14
-rw-r--r--arch/mips/ath25/ar5312.c13
-rw-r--r--arch/mips/include/asm/compat.h24
-rw-r--r--arch/mips/include/asm/fpu.h2
-rw-r--r--arch/mips/include/asm/mach-rc32434/rb.h2
-rw-r--r--arch/mips/include/asm/pgalloc.h17
-rw-r--r--arch/mips/include/uapi/asm/siginfo.h2
-rw-r--r--arch/mips/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/lantiq/irq.c2
-rw-r--r--arch/mips/mm/tlbex.c2
-rw-r--r--arch/mips/mti-malta/malta-platform.c3
-rw-r--r--arch/mips/net/ebpf_jit.c3
-rw-r--r--arch/mips/pci/pci-ar2315.c8
-rw-r--r--arch/mips/pci/pci-rt3883.c5
-rw-r--r--arch/mips/ralink/irq.c2
-rw-r--r--arch/mips/sgi-ip22/ip22-gio.c3
-rw-r--r--arch/mips/sgi-ip27/ip27-irq.c16
-rw-r--r--arch/mips/sgi-ip30/ip30-irq.c8
20 files changed, 63 insertions, 68 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cee6087cd686..6dfb27d531dd 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -71,7 +71,6 @@ config MIPS
select HAVE_FUNCTION_TRACER
select HAVE_GCC_PLUGINS
select HAVE_GENERIC_VDSO
- select HAVE_IDE
select HAVE_IOREMAP_PROT
select HAVE_IRQ_EXIT_ON_IRQ_STACK
select HAVE_IRQ_TIME_ACCOUNTING
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 4e942b7ef022..653befc1b176 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -321,7 +321,7 @@ KBUILD_LDFLAGS += -m $(ld-emul)
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
- egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
+ egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
endif
diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c
index 9dbed7b5ea76..76e43a73ba1b 100644
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -69,24 +69,24 @@ static void ar2315_misc_irq_handler(struct irq_desc *desc)
{
u32 pending = ar2315_rst_reg_read(AR2315_ISR) &
ar2315_rst_reg_read(AR2315_IMR);
- unsigned nr, misc_irq = 0;
+ unsigned nr;
+ int ret = 0;
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
nr = __ffs(pending);
- misc_irq = irq_find_mapping(domain, nr);
- }
- if (misc_irq) {
if (nr == AR2315_MISC_IRQ_GPIO)
ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_GPIO);
else if (nr == AR2315_MISC_IRQ_WATCHDOG)
ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_WD);
- generic_handle_irq(misc_irq);
- } else {
- spurious_interrupt();
+
+ ret = generic_handle_domain_irq(domain, nr);
}
+
+ if (!pending || ret)
+ spurious_interrupt();
}
static void ar2315_misc_irq_unmask(struct irq_data *d)
diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c
index 23c879f4b734..822b639dbd1e 100644
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -73,22 +73,21 @@ static void ar5312_misc_irq_handler(struct irq_desc *desc)
{
u32 pending = ar5312_rst_reg_read(AR5312_ISR) &
ar5312_rst_reg_read(AR5312_IMR);
- unsigned nr, misc_irq = 0;
+ unsigned nr;
+ int ret = 0;
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
nr = __ffs(pending);
- misc_irq = irq_find_mapping(domain, nr);
- }
- if (misc_irq) {
- generic_handle_irq(misc_irq);
+ ret = generic_handle_domain_irq(domain, nr);
if (nr == AR5312_MISC_IRQ_TIMER)
ar5312_rst_reg_read(AR5312_TIMER);
- } else {
- spurious_interrupt();
}
+
+ if (!pending || ret)
+ spurious_interrupt();
}
/* Enable the specified AR5312_MISC_IRQ interrupt */
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index 65975712a22d..53f015a1b0a7 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -9,20 +9,25 @@
#include <asm/page.h>
#include <asm/ptrace.h>
+typedef s32 __compat_uid_t;
+typedef s32 __compat_gid_t;
+typedef __compat_uid_t __compat_uid32_t;
+typedef __compat_gid_t __compat_gid32_t;
+#define __compat_uid32_t __compat_uid32_t
+#define __compat_gid32_t __compat_gid32_t
+
+#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */
+#define _COMPAT_NSIG_BPW 32
+typedef u32 compat_sigset_word;
+
#include <asm-generic/compat.h>
#define COMPAT_USER_HZ 100
#define COMPAT_UTS_MACHINE "mips\0\0\0"
-typedef s32 __compat_uid_t;
-typedef s32 __compat_gid_t;
-typedef __compat_uid_t __compat_uid32_t;
-typedef __compat_gid_t __compat_gid32_t;
-typedef u32 compat_mode_t;
typedef u32 compat_dev_t;
typedef u32 compat_nlink_t;
typedef s32 compat_ipc_pid_t;
-typedef s32 compat_caddr_t;
typedef struct {
s32 val[2];
} compat_fsid_t;
@@ -89,13 +94,6 @@ struct compat_statfs {
#define COMPAT_RLIM_INFINITY 0x7fffffffUL
-typedef u32 compat_old_sigset_t; /* at least 32 bits */
-
-#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */
-#define _COMPAT_NSIG_BPW 32
-
-typedef u32 compat_sigset_word;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
static inline void __user *arch_compat_alloc_user_space(long len)
diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 08f9dd6903b7..86310d6e1035 100644
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -76,7 +76,7 @@ static inline int __enable_fpu(enum fpu_mode mode)
/* we only have a 32-bit FPU */
return SIGFPE;
#endif
- fallthrough;
+ /* fallthrough */
case FPU_32BIT:
if (cpu_has_fre) {
/* clear FRE */
diff --git a/arch/mips/include/asm/mach-rc32434/rb.h b/arch/mips/include/asm/mach-rc32434/rb.h
index d502673a4f6c..34d179ca020b 100644
--- a/arch/mips/include/asm/mach-rc32434/rb.h
+++ b/arch/mips/include/asm/mach-rc32434/rb.h
@@ -7,8 +7,6 @@
#ifndef __ASM_RC32434_RB_H
#define __ASM_RC32434_RB_H
-#include <linux/genhd.h>
-
#define REGBASE 0x18000000
#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(REGBASE))
#define UART0BASE 0x58000
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 4b2567d6b2df..c7925d0e9874 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -58,15 +58,20 @@ do { \
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- pmd_t *pmd = NULL;
+ pmd_t *pmd;
struct page *pg;
- pg = alloc_pages(GFP_KERNEL | __GFP_ACCOUNT, PMD_ORDER);
- if (pg) {
- pgtable_pmd_page_ctor(pg);
- pmd = (pmd_t *)page_address(pg);
- pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
+ pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+ if (!pg)
+ return NULL;
+
+ if (!pgtable_pmd_page_ctor(pg)) {
+ __free_pages(pg, PMD_ORDER);
+ return NULL;
}
+
+ pmd = (pmd_t *)page_address(pg);
+ pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
return pmd;
}
diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index c34c7eef0a1c..8cb8bd061a68 100644
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -10,9 +10,7 @@
#ifndef _UAPI_ASM_SIGINFO_H
#define _UAPI_ASM_SIGINFO_H
-
#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
-#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
#define __ARCH_HAS_SWAPPED_SIGINFO
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index cdf404a831b2..1eaf6a1ca561 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -140,6 +140,8 @@
#define SO_NETNS_COOKIE 71
+#define SO_BUF_LOCK 72
+
#if !defined(__KERNEL__)
#if __BITS_PER_LONG == 64
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index acfbdc01b0ac..b732495f138a 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -300,7 +300,7 @@ static void ltq_hw_irq_handler(struct irq_desc *desc)
*/
irq = __fls(irq);
hwirq = irq + MIPS_CPU_IRQ_CASCADE + (INT_NUM_IM_OFFSET * module);
- generic_handle_irq(irq_linear_revmap(ltq_domain, hwirq));
+ generic_handle_domain_irq(ltq_domain, hwirq);
/* if this is a EBU irq, we need to ack it or get a deadlock */
if (irq == LTQ_ICU_EBU_IRQ && !module && LTQ_EBU_PCC_ISTAT != 0)
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index cd4afcdf3725..9adad24c2e65 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1383,6 +1383,7 @@ static void build_r4000_tlb_refill_handler(void)
switch (boot_cpu_type()) {
default:
if (sizeof(long) == 4) {
+ fallthrough;
case CPU_LOONGSON2EF:
/* Loongson2 ebase is different than r4k, we have more space */
if ((p - tlb_handler) > 64)
@@ -2169,6 +2170,7 @@ static void build_r4000_tlb_load_handler(void)
default:
if (cpu_has_mips_r2_exec_hazard) {
uasm_i_ehb(&p);
+ fallthrough;
case CPU_CAVIUM_OCTEON:
case CPU_CAVIUM_OCTEON_PLUS:
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c
index ee7471984fe7..4ffbcc58c6f6 100644
--- a/arch/mips/mti-malta/malta-platform.c
+++ b/arch/mips/mti-malta/malta-platform.c
@@ -48,7 +48,8 @@ static struct plat_serial8250_port uart8250_data[] = {
.mapbase = 0x1f000900, /* The CBUS UART */
.irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
.uartclk = 3686400, /* Twice the usual clk! */
- .iotype = UPIO_MEM32,
+ .iotype = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) ?
+ UPIO_MEM32BE : UPIO_MEM32,
.flags = CBUS_UART_FLAGS,
.regshift = 3,
},
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
index 939dd06764bc..3a73e9375712 100644
--- a/arch/mips/net/ebpf_jit.c
+++ b/arch/mips/net/ebpf_jit.c
@@ -1355,6 +1355,9 @@ jeq_common:
}
break;
+ case BPF_ST | BPF_NOSPEC: /* speculation barrier */
+ break;
+
case BPF_ST | BPF_B | BPF_MEM:
case BPF_ST | BPF_H | BPF_MEM:
case BPF_ST | BPF_W | BPF_MEM:
diff --git a/arch/mips/pci/pci-ar2315.c b/arch/mips/pci/pci-ar2315.c
index c1a655aee599..9a4bfb4e63e3 100644
--- a/arch/mips/pci/pci-ar2315.c
+++ b/arch/mips/pci/pci-ar2315.c
@@ -337,14 +337,12 @@ static void ar2315_pci_irq_handler(struct irq_desc *desc)
struct ar2315_pci_ctrl *apc = irq_desc_get_handler_data(desc);
u32 pending = ar2315_pci_reg_read(apc, AR2315_PCI_ISR) &
ar2315_pci_reg_read(apc, AR2315_PCI_IMR);
- unsigned pci_irq = 0;
+ int ret = 0;
if (pending)
- pci_irq = irq_find_mapping(apc->domain, __ffs(pending));
+ ret = generic_handle_domain_irq(apc->domain, __ffs(pending));
- if (pci_irq)
- generic_handle_irq(pci_irq);
- else
+ if (!pending || ret)
spurious_interrupt();
}
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index c48e23cf5b5e..d3c947fa2969 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -140,10 +140,9 @@ static void rt3883_pci_irq_handler(struct irq_desc *desc)
}
while (pending) {
- unsigned irq, bit = __ffs(pending);
+ unsigned bit = __ffs(pending);
- irq = irq_find_mapping(rpc->irq_domain, bit);
- generic_handle_irq(irq);
+ generic_handle_domain_irq(rpc->irq_domain, bit);
pending &= ~BIT(bit);
}
diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c
index 220ca0cd7945..fa353bc13947 100644
--- a/arch/mips/ralink/irq.c
+++ b/arch/mips/ralink/irq.c
@@ -100,7 +100,7 @@ static void ralink_intc_irq_handler(struct irq_desc *desc)
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
- generic_handle_irq(irq_find_mapping(domain, __ffs(pending)));
+ generic_handle_domain_irq(domain, __ffs(pending));
} else {
spurious_interrupt();
}
diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c
index de0768a49ee8..dfc52f661ad0 100644
--- a/arch/mips/sgi-ip22/ip22-gio.c
+++ b/arch/mips/sgi-ip22/ip22-gio.c
@@ -143,14 +143,13 @@ static int gio_device_probe(struct device *dev)
return error;
}
-static int gio_device_remove(struct device *dev)
+static void gio_device_remove(struct device *dev)
{
struct gio_device *gio_dev = to_gio_device(dev);
struct gio_driver *drv = to_gio_driver(dev->driver);
if (dev->driver && drv->remove)
drv->remove(gio_dev);
- return 0;
}
static void gio_device_shutdown(struct device *dev)
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 95c1bff1ab9f..a0dd3bd2b81b 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -190,7 +190,7 @@ static void ip27_do_irq_mask0(struct irq_desc *desc)
unsigned long *mask = per_cpu(irq_enable_mask, cpu);
struct irq_domain *domain;
u64 pend0;
- int irq;
+ int ret;
/* copied from Irix intpend0() */
pend0 = LOCAL_HUB_L(PI_INT_PEND0);
@@ -216,10 +216,8 @@ static void ip27_do_irq_mask0(struct irq_desc *desc)
#endif
{
domain = irq_desc_get_handler_data(desc);
- irq = irq_linear_revmap(domain, __ffs(pend0));
- if (irq)
- generic_handle_irq(irq);
- else
+ ret = generic_handle_domain_irq(domain, __ffs(pend0));
+ if (ret)
spurious_interrupt();
}
@@ -232,7 +230,7 @@ static void ip27_do_irq_mask1(struct irq_desc *desc)
unsigned long *mask = per_cpu(irq_enable_mask, cpu);
struct irq_domain *domain;
u64 pend1;
- int irq;
+ int ret;
/* copied from Irix intpend0() */
pend1 = LOCAL_HUB_L(PI_INT_PEND1);
@@ -242,10 +240,8 @@ static void ip27_do_irq_mask1(struct irq_desc *desc)
return;
domain = irq_desc_get_handler_data(desc);
- irq = irq_linear_revmap(domain, __ffs(pend1) + 64);
- if (irq)
- generic_handle_irq(irq);
- else
+ ret = generic_handle_domain_irq(domain, __ffs(pend1) + 64);
+ if (ret)
spurious_interrupt();
LOCAL_HUB_L(PI_INT_PEND1);
diff --git a/arch/mips/sgi-ip30/ip30-irq.c b/arch/mips/sgi-ip30/ip30-irq.c
index ba87704073c8..423c32cb66ed 100644
--- a/arch/mips/sgi-ip30/ip30-irq.c
+++ b/arch/mips/sgi-ip30/ip30-irq.c
@@ -99,7 +99,7 @@ static void ip30_normal_irq(struct irq_desc *desc)
int cpu = smp_processor_id();
struct irq_domain *domain;
u64 pend, mask;
- int irq;
+ int ret;
pend = heart_read(&heart_regs->isr);
mask = (heart_read(&heart_regs->imr[cpu]) &
@@ -130,10 +130,8 @@ static void ip30_normal_irq(struct irq_desc *desc)
#endif
{
domain = irq_desc_get_handler_data(desc);
- irq = irq_linear_revmap(domain, __ffs(pend));
- if (irq)
- generic_handle_irq(irq);
- else
+ ret = generic_handle_domain_irq(domain, __ffs(pend));
+ if (ret)
spurious_interrupt();
}
}