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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 09:19:40 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 09:19:40 -0700 |
commit | 024b246ed24492d6c2ee14c34d742b137fce1b94 (patch) | |
tree | 428444950025503218c96b03c86f749403626dec /arch/alpha/include/asm/barrier.h | |
parent | 9419fc1c957d600093baaea247fef23cca3b4e93 (diff) | |
download | op-kernel-dev-024b246ed24492d6c2ee14c34d742b137fce1b94.zip op-kernel-dev-024b246ed24492d6c2ee14c34d742b137fce1b94.tar.gz |
alpha: move include/asm-alpha to arch/alpha/include/asm
Sam Ravnborg did the build-test that the direct header file move works,
I'm just committing it.
This is a pure move:
mkdir arch/alpha/include
git mv include/asm-alpha arch/alpha/include/asm
with no other changes.
Requested-and-tested-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/include/asm/barrier.h')
-rw-r--r-- | arch/alpha/include/asm/barrier.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/barrier.h b/arch/alpha/include/asm/barrier.h new file mode 100644 index 0000000..ac78eba --- /dev/null +++ b/arch/alpha/include/asm/barrier.h @@ -0,0 +1,33 @@ +#ifndef __BARRIER_H +#define __BARRIER_H + +#include <asm/compiler.h> + +#define mb() \ +__asm__ __volatile__("mb": : :"memory") + +#define rmb() \ +__asm__ __volatile__("mb": : :"memory") + +#define wmb() \ +__asm__ __volatile__("wmb": : :"memory") + +#define read_barrier_depends() \ +__asm__ __volatile__("mb": : :"memory") + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#endif + +#define set_mb(var, value) \ +do { var = value; mb(); } while (0) + +#endif /* __BARRIER_H */ |