forked from Minki/linux
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>
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@ -35,11 +35,11 @@
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#define dma_rmb() dmb(oshld)
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#define dma_wmb() dmb(oshst)
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#define smp_mb() dmb(ish)
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#define smp_rmb() dmb(ishld)
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#define smp_wmb() dmb(ishst)
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#define __smp_mb() dmb(ish)
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#define __smp_rmb() dmb(ishld)
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#define __smp_wmb() dmb(ishst)
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#define smp_store_release(p, v) \
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#define __smp_store_release(p, v) \
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do { \
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compiletime_assert_atomic_type(*p); \
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switch (sizeof(*p)) { \
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@ -62,7 +62,7 @@ do { \
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} \
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} while (0)
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#define smp_load_acquire(p) \
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#define __smp_load_acquire(p) \
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({ \
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union { typeof(*p) __val; char __c[1]; } __u; \
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compiletime_assert_atomic_type(*p); \
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