diff options
| author | Will Deacon <will.deacon@arm.com> | 2014-05-02 19:24:10 +0400 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-05-09 20:03:15 +0400 |
| commit | 98f7685ee69f871ba991089cb9685f0da07517ea (patch) | |
| tree | f62bfc6c13d2e54c70349f47f85438f8d596fe36 /arch/arm64/include/asm/barrier.h | |
| parent | fa48e6f780a681cdbc7820e33259edfe1a79b9e3 (diff) | |
| download | linux-98f7685ee69f871ba991089cb9685f0da07517ea.tar.xz | |
arm64: barriers: make use of barrier options with explicit barriers
When calling our low-level barrier macros directly, we can often suffice
with more relaxed behaviour than the default "all accesses, full system"
option.
This patch updates the users of dsb() to specify the option which they
actually require.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/barrier.h')
| -rw-r--r-- | arch/arm64/include/asm/barrier.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 66eb7648043b..5d69eddbe39e 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -28,7 +28,7 @@ #define dmb(opt) asm volatile("dmb sy" : : : "memory") #define dsb(opt) asm volatile("dsb sy" : : : "memory") -#define mb() dsb() +#define mb() dsb(sy) #define rmb() asm volatile("dsb ld" : : : "memory") #define wmb() asm volatile("dsb st" : : : "memory") |