diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/ia64/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/metag/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/barrier_64.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/barrier.h | 2 | ||||
| -rw-r--r-- | arch/x86/um/asm/barrier.h | 2 |
10 files changed, 10 insertions, 10 deletions
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index d2f81e6..993150a 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -81,7 +81,7 @@ do { \ #define read_barrier_depends() do { } while(0) #define smp_read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; smp_mb(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0) #define smp_mb__before_atomic() smp_mb() #define smp_mb__after_atomic() smp_mb() diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 71f19c4..ff7de78 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -114,7 +114,7 @@ do { \ #define read_barrier_depends() do { } while(0) #define smp_read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; smp_mb(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0) #define nop() asm volatile("nop"); #define smp_mb__before_atomic() smp_mb() diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h index f6769eb..03117e7 100644 --- a/arch/ia64/include/asm/barrier.h +++ b/arch/ia64/include/asm/barrier.h @@ -82,7 +82,7 @@ do { \ * acquire vs release semantics but we can't discuss this stuff with * Linus just yet. Grrr... */ -#define set_mb(var, value) do { (var) = (value); mb(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) /* * The group barrier in front of the rsm & ssm are necessary to ensure diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h index d703d8e..97eb018 100644 --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -84,7 +84,7 @@ static inline void fence(void) #define read_barrier_depends() do { } while (0) #define smp_read_barrier_depends() do { } while (0) -#define set_mb(var, value) do { var = value; smp_mb(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0) #define smp_store_release(p, v) \ do { \ diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h index 2b8bbbc..cff1bbd 100644 --- a/arch/mips/include/asm/barrier.h +++ b/arch/mips/include/asm/barrier.h @@ -113,7 +113,7 @@ #endif #define set_mb(var, value) \ - do { var = value; smp_mb(); } while (0) + do { WRITE_ONCE(var, value); smp_mb(); } while (0) #define smp_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index a3bf5be..2a072e4 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -34,7 +34,7 @@ #define rmb() __asm__ __volatile__ ("sync" : : : "memory") #define wmb() __asm__ __volatile__ ("sync" : : : "memory") -#define set_mb(var, value) do { var = value; mb(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) #ifdef __SUBARCH_HAS_LWSYNC # define SMPWMB LWSYNC diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h index 8d72471..b66cd53 100644 --- a/arch/s390/include/asm/barrier.h +++ b/arch/s390/include/asm/barrier.h @@ -36,7 +36,7 @@ #define smp_mb__before_atomic() smp_mb() #define smp_mb__after_atomic() smp_mb() -#define set_mb(var, value) do { var = value; mb(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0) #define smp_store_release(p, v) \ do { \ diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h index 7664894..125fec7 100644 --- a/arch/sparc/include/asm/barrier_64.h +++ b/arch/sparc/include/asm/barrier_64.h @@ -41,7 +41,7 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ #define dma_wmb() wmb() #define set_mb(__var, __value) \ - do { __var = __value; membar_safe("#StoreLoad"); } while(0) + do { WRITE_ONCE(__var, __value); membar_safe("#StoreLoad"); } while(0) #ifdef CONFIG_SMP #define smp_mb() mb() diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 959e45b..9de5cde 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -40,7 +40,7 @@ #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() -#define set_mb(var, value) do { var = value; barrier(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); barrier(); } while (0) #endif /* SMP */ #define read_barrier_depends() do { } while (0) diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 7e8a1a6..cc0cb01 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -39,7 +39,7 @@ #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() -#define set_mb(var, value) do { var = value; barrier(); } while (0) +#define set_mb(var, value) do { WRITE_ONCE(var, value); barrier(); } while (0) #define read_barrier_depends() do { } while (0) #define smp_read_barrier_depends() do { } while (0) |