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Linux kernel mirror (for testing)
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kernel
os
linux
sparc: define __smp_xxx
This defines __smp_xxx barriers for sparc,
for use by virtualization.
smp_xxx barriers are removed as they are
defined correctly by asm-generic/barriers.h
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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arch/sparc/include/asm/barrier_64.h
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arch/sparc/include/asm/barrier_64.h
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#define rmb() __asm__ __volatile__("":::"memory")
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#define wmb() __asm__ __volatile__("":::"memory")
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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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barrier(); \
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WRITE_ONCE(*p, v); \
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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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typeof(*p) ___p1 = READ_ONCE(*p); \
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compiletime_assert_atomic_type(*p); \
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___p1; \
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})
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#define smp_mb__before_atomic() barrier()
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#define smp_mb__after_atomic() barrier()
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#define __smp_mb__before_atomic() barrier()
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#define __smp_mb__after_atomic() barrier()
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#include <asm-generic/barrier.h>
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