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| author | Michael S. Tsirkin <mst@redhat.com> | 2015-12-27 16:04:42 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-12 21:46:54 +0300 |
| commit | 2b1f3de10267dd1034d24f9e77dd5e8f07793925 (patch) | |
| tree | a740f02a36ab69dd26a760ff38a7c33f9dfef673 /arch/arm | |
| parent | fd072df850e536bf46e9981be4be95961ce5eef3 (diff) | |
| download | linux-2b1f3de10267dd1034d24f9e77dd5e8f07793925.tar.xz | |
arm: define __smp_xxx
This defines __smp_xxx barriers for arm,
for use by virtualization.
smp_xxx barriers are removed as they are
defined correctly by asm-generic/barriers.h
This reduces the amount of arch-specific boiler-plate code.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/barrier.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index 31152e8c7501..112cc1a5d47f 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -60,15 +60,9 @@ extern void arm_heavy_mb(void); #define dma_wmb() barrier() #endif -#ifndef CONFIG_SMP -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#else -#define smp_mb() dmb(ish) -#define smp_rmb() smp_mb() -#define smp_wmb() dmb(ishst) -#endif +#define __smp_mb() dmb(ish) +#define __smp_rmb() __smp_mb() +#define __smp_wmb() dmb(ishst) #include <asm-generic/barrier.h> |