diff options
| author | Will Deacon <will.deacon@arm.com> | 2014-05-02 16:24:11 +0100 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2014-10-03 20:57:09 +0200 |
| commit | 359d652d4af3609edcb9351a47e9d5d14eac1888 (patch) | |
| tree | 3dd66d95f77b00a050b245e42a200ce39f51c5f1 /arch | |
| parent | 03b2c70aa50cf8ccb06611a1d05e2368290d0df8 (diff) | |
arm64: barriers: wire up new barrier options
Now that all callers of the barrier macros are updated to pass the
mandatory options, update the macros so the option is actually used.
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>
(cherry picked from commit 493e68747e07b69da3d746352525a1ebd6b61d82)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/barrier.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 5c436e3457dd..71a42d6599fb 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -25,11 +25,12 @@ #define wfi() asm volatile("wfi" : : : "memory") #define isb() asm volatile("isb" : : : "memory") -#define dsb(opt) asm volatile("dsb sy" : : : "memory") +#define dmb(opt) asm volatile("dmb " #opt : : : "memory") +#define dsb(opt) asm volatile("dsb " #opt : : : "memory") #define mb() dsb(sy) -#define rmb() asm volatile("dsb ld" : : : "memory") -#define wmb() asm volatile("dsb st" : : : "memory") +#define rmb() dsb(ld) +#define wmb() dsb(st) #ifndef CONFIG_SMP #define smp_mb() barrier() @@ -53,9 +54,9 @@ do { \ #else -#define smp_mb() asm volatile("dmb ish" : : : "memory") -#define smp_rmb() asm volatile("dmb ishld" : : : "memory") -#define smp_wmb() asm volatile("dmb ishst" : : : "memory") +#define smp_mb() dmb(ish) +#define smp_rmb() dmb(ishld) +#define smp_wmb() dmb(ishst) #define smp_store_release(p, v) \ do { \ |