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authorWill Deacon <will.deacon@arm.com>2014-05-02 19:24:11 +0400
committerCatalin Marinas <catalin.marinas@arm.com>2014-05-09 20:03:41 +0400
commit493e68747e07b69da3d746352525a1ebd6b61d82 (patch)
treec4bce9ecd189dc90337b733b35168edba4b5f17b /arch/arm64/include/asm/barrier.h
parent98f7685ee69f871ba991089cb9685f0da07517ea (diff)
downloadlinux-493e68747e07b69da3d746352525a1ebd6b61d82.tar.xz
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>
Diffstat (limited to 'arch/arm64/include/asm/barrier.h')
-rw-r--r--arch/arm64/include/asm/barrier.h14
1 files changed, 7 insertions, 7 deletions
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 { \