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authorMichael S. Tsirkin <mst@redhat.com>2015-12-27 14:04:42 +0100
committerMichael S. Tsirkin <mst@redhat.com>2016-01-12 19:46:57 +0100
commit45d9b859411cb6d4dccc4e488336160acf9a6df5 (patch)
treed71a0d6cac443840d051654911c75d4c5bd96b9f /arch/sparc
parentsh: define __smp_xxx, fix smp_store_mb for !SMP (diff)
downloadlinux-45d9b859411cb6d4dccc4e488336160acf9a6df5.tar.xz
linux-45d9b859411cb6d4dccc4e488336160acf9a6df5.zip
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>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/barrier_64.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
index 26c3f7247f2d..c9f6ee64f41d 100644
--- a/arch/sparc/include/asm/barrier_64.h
+++ b/arch/sparc/include/asm/barrier_64.h
@@ -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>