From: Will Deacon Date: Fri, 2 May 2014 15:24:11 +0000 (+0100) Subject: arm64: barriers: wire up new barrier options X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=493e68747e07b69da3d746352525a1ebd6b61d82;p=linux-beck.git 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 Signed-off-by: Will Deacon Signed-off-by: Catalin Marinas --- diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 5d69eddbe39e..71a42d6599fb 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -25,12 +25,12 @@ #define wfi() asm volatile("wfi" : : : "memory") #define isb() asm volatile("isb" : : : "memory") -#define dmb(opt) asm volatile("dmb sy" : : : "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() @@ -54,9 +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 { \