diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-04-08 13:36:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-08 13:37:18 +0200 |
| commit | ca7e0c612005937a4a5a75d3fed90459993de65c (patch) | |
| tree | b574fc0f0189b52ffc87ba20c418228db556faa1 /arch/arm/include/asm/system.h | |
| parent | 8141d0050d76e5695011b5ab577ec66fb51a998c (diff) | |
| parent | f5284e7635787224dda1a2bf82a4c56b1c75671f (diff) | |
Merge branch 'linus' into perf/core
Semantic conflict: arch/x86/kernel/cpu/perf_event_intel_ds.c
Merge reason: pick up latest fixes, fix the conflict
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/include/asm/system.h')
| -rw-r--r-- | arch/arm/include/asm/system.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index ca88e6a8470..4ace45ec3ef 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -60,6 +60,8 @@ #include <linux/linkage.h> #include <linux/irqflags.h> +#include <asm/outercache.h> + #define __exception __attribute__((section(".exception.text"))) struct thread_info; @@ -137,10 +139,12 @@ extern unsigned int user_debug; #define dmb() __asm__ __volatile__ ("" : : : "memory") #endif -#if __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP) -#define mb() dmb() +#ifdef CONFIG_ARCH_HAS_BARRIERS +#include <mach/barriers.h> +#elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP) +#define mb() do { dsb(); outer_sync(); } while (0) #define rmb() dmb() -#define wmb() dmb() +#define wmb() mb() #else #define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) #define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) @@ -152,9 +156,9 @@ extern unsigned int user_debug; #define smp_rmb() barrier() #define smp_wmb() barrier() #else -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() +#define smp_mb() dmb() +#define smp_rmb() dmb() +#define smp_wmb() dmb() #endif #define read_barrier_depends() do { } while(0) |