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Commit 45d9b859 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

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: default avatarMichael S. Tsirkin <mst@redhat.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
parent 90a3ccb0

arch/sparc/include/asm/barrier_64.h

+4 −4
Original line number Diff line number Diff line
@@ -37,14 +37,14 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ 
#define rmb()	__asm__ __volatile__("":::"memory")

#define wmb()	__asm__ __volatile__("":::"memory")



#define smp_store_release(p, v)						\

#define __smp_store_release(p, v)						\

do {									\

	compiletime_assert_atomic_type(*p);				\

	barrier();							\

	WRITE_ONCE(*p, v);						\

} while (0)



#define smp_load_acquire(p)						\

#define __smp_load_acquire(p)						\

({									\

	typeof(*p) ___p1 = READ_ONCE(*p);				\

	compiletime_assert_atomic_type(*p);				\
@@ -52,8 +52,8 @@ do { \ 
	___p1;								\

})



#define smp_mb__before_atomic()	barrier()

#define smp_mb__after_atomic()	barrier()

#define __smp_mb__before_atomic()	barrier()

#define __smp_mb__after_atomic()	barrier()



#include <asm-generic/barrier.h>