Commit fd072df8 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin

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: default avatarMichael S. Tsirkin <mst@redhat.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
parent 003472a9
...@@ -35,11 +35,11 @@ ...@@ -35,11 +35,11 @@
#define dma_rmb() dmb(oshld) #define dma_rmb() dmb(oshld)
#define dma_wmb() dmb(oshst) #define dma_wmb() dmb(oshst)
#define smp_mb() dmb(ish) #define __smp_mb() dmb(ish)
#define smp_rmb() dmb(ishld) #define __smp_rmb() dmb(ishld)
#define smp_wmb() dmb(ishst) #define __smp_wmb() dmb(ishst)
#define smp_store_release(p, v) \ #define __smp_store_release(p, v) \
do { \ do { \
compiletime_assert_atomic_type(*p); \ compiletime_assert_atomic_type(*p); \
switch (sizeof(*p)) { \ switch (sizeof(*p)) { \
...@@ -62,7 +62,7 @@ do { \ ...@@ -62,7 +62,7 @@ do { \
} \ } \
} while (0) } while (0)
#define smp_load_acquire(p) \ #define __smp_load_acquire(p) \
({ \ ({ \
union { typeof(*p) __val; char __c[1]; } __u; \ union { typeof(*p) __val; char __c[1]; } __u; \
compiletime_assert_atomic_type(*p); \ compiletime_assert_atomic_type(*p); \
......
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