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-rw-r--r--arch/mips/include/asm/bug.h4
-rw-r--r--arch/mips/include/asm/cacheflush.h1
-rw-r--r--arch/mips/include/asm/mman.h1
-rw-r--r--arch/mips/include/asm/socket.h2
-rw-r--r--arch/mips/include/asm/system.h15
-rw-r--r--arch/mips/include/asm/unistd.h15
6 files changed, 23 insertions, 15 deletions
diff --git a/arch/mips/include/asm/bug.h b/arch/mips/include/asm/bug.h
index 6cf29c26e87..540c98a810d 100644
--- a/arch/mips/include/asm/bug.h
+++ b/arch/mips/include/asm/bug.h
@@ -11,9 +11,7 @@
static inline void __noreturn BUG(void)
{
__asm__ __volatile__("break %0" : : "i" (BRK_BUG));
- /* Fool GCC into thinking the function doesn't return. */
- while (1)
- ;
+ unreachable();
}
#define HAVE_ARCH_BUG
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index 03b1d69b142..40bb9fde205 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -38,6 +38,7 @@ extern void (*flush_cache_range)(struct vm_area_struct *vma,
extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
extern void __flush_dcache_page(struct page *page);
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
static inline void flush_dcache_page(struct page *page)
{
if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)
diff --git a/arch/mips/include/asm/mman.h b/arch/mips/include/asm/mman.h
index a2250f390a2..c892bfb3e2c 100644
--- a/arch/mips/include/asm/mman.h
+++ b/arch/mips/include/asm/mman.h
@@ -75,6 +75,7 @@
#define MADV_MERGEABLE 12 /* KSM may merge identical pages */
#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */
+#define MADV_HWPOISON 100 /* poison a page for testing */
/* compatibility flags */
#define MAP_FILE 0
diff --git a/arch/mips/include/asm/socket.h b/arch/mips/include/asm/socket.h
index ae05accd9fe..9de5190f248 100644
--- a/arch/mips/include/asm/socket.h
+++ b/arch/mips/include/asm/socket.h
@@ -80,6 +80,8 @@ To add: #define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */
#define SO_TIMESTAMPING 37
#define SCM_TIMESTAMPING SO_TIMESTAMPING
+#define SO_RXQ_OVFL 40
+
#ifdef __KERNEL__
/** sock_type - Socket types
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index fcf5f98d90c..83b5509e09e 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -12,6 +12,7 @@
#ifndef _ASM_SYSTEM_H
#define _ASM_SYSTEM_H
+#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/irqflags.h>
@@ -193,10 +194,6 @@ extern __u64 __xchg_u64_unsupported_on_32bit_kernels(volatile __u64 * m, __u64 v
#define __xchg_u64 __xchg_u64_unsupported_on_32bit_kernels
#endif
-/* This function doesn't exist, so you'll get a linker error
- if something tries to do an invalid xchg(). */
-extern void __xchg_called_with_bad_pointer(void);
-
static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
{
switch (size) {
@@ -205,11 +202,17 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
case 8:
return __xchg_u64(ptr, x);
}
- __xchg_called_with_bad_pointer();
+
return x;
}
-#define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
+#define xchg(ptr, x) \
+({ \
+ BUILD_BUG_ON(sizeof(*(ptr)) & ~0xc); \
+ \
+ ((__typeof__(*(ptr))) \
+ __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))); \
+})
extern void set_handler(unsigned long offset, void *addr, unsigned long len);
extern void set_uncached_handler(unsigned long offset, void *addr, unsigned long len);
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 8c9dfa9e901..65c679ecbe6 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -355,16 +355,17 @@
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 332)
#define __NR_perf_event_open (__NR_Linux + 333)
#define __NR_accept4 (__NR_Linux + 334)
+#define __NR_recvmmsg (__NR_Linux + 335)
/*
* Offset of the last Linux o32 flavoured syscall
*/
-#define __NR_Linux_syscalls 334
+#define __NR_Linux_syscalls 335
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
#define __NR_O32_Linux 4000
-#define __NR_O32_Linux_syscalls 334
+#define __NR_O32_Linux_syscalls 335
#if _MIPS_SIM == _MIPS_SIM_ABI64
@@ -666,16 +667,17 @@
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 291)
#define __NR_perf_event_open (__NR_Linux + 292)
#define __NR_accept4 (__NR_Linux + 293)
+#define __NR_recvmmsg (__NR_Linux + 294)
/*
* Offset of the last Linux 64-bit flavoured syscall
*/
-#define __NR_Linux_syscalls 293
+#define __NR_Linux_syscalls 294
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
#define __NR_64_Linux 5000
-#define __NR_64_Linux_syscalls 293
+#define __NR_64_Linux_syscalls 294
#if _MIPS_SIM == _MIPS_SIM_NABI32
@@ -981,16 +983,17 @@
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 295)
#define __NR_perf_event_open (__NR_Linux + 296)
#define __NR_accept4 (__NR_Linux + 297)
+#define __NR_recvmmsg (__NR_Linux + 298)
/*
* Offset of the last N32 flavoured syscall
*/
-#define __NR_Linux_syscalls 297
+#define __NR_Linux_syscalls 298
#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
#define __NR_N32_Linux 6000
-#define __NR_N32_Linux_syscalls 297
+#define __NR_N32_Linux_syscalls 298
#ifdef __KERNEL__