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| author | Michael S. Tsirkin <mst@redhat.com> | 2015-12-27 15:04:42 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-12 20:46:53 +0200 |
| commit | fd072df850e536bf46e9981be4be95961ce5eef3 (patch) | |
| tree | 1434b6a008fbdd837c3c1bef2a440112dbf29d85 | |
| parent | 003472a93ad019bfd054a5cbb30c6eec7d0395a3 (diff) | |
| download | linux-fd072df850e536bf46e9981be4be95961ce5eef3.tar.bz2 | |
arm64: define __smp_xxx
This defines __smp_xxx barriers for arm64,
for use by virtualization.
smp_xxx barriers are removed as they are
defined correctly by asm-generic/barriers.h
Note: arm64 does not support !SMP config,
so smp_xxx and __smp_xxx are always equivalent.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
| -rw-r--r-- | arch/arm64/include/asm/barrier.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 91a43f48914d..dae5c49618db 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -35,11 +35,11 @@ #define dma_rmb() dmb(oshld) #define dma_wmb() dmb(oshst) -#define smp_mb() dmb(ish) -#define smp_rmb() dmb(ishld) -#define smp_wmb() dmb(ishst) +#define __smp_mb() dmb(ish) +#define __smp_rmb() dmb(ishld) +#define __smp_wmb() dmb(ishst) -#define smp_store_release(p, v) \ +#define __smp_store_release(p, v) \ do { \ compiletime_assert_atomic_type(*p); \ switch (sizeof(*p)) { \ @@ -62,7 +62,7 @@ do { \ } \ } while (0) -#define smp_load_acquire(p) \ +#define __smp_load_acquire(p) \ ({ \ union { typeof(*p) __val; char __c[1]; } __u; \ compiletime_assert_atomic_type(*p); \ |