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| author | Max Filippov <jcmvbkbc@gmail.com> | 2013-10-17 02:42:26 +0400 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2014-01-14 10:19:58 -0800 |
| commit | f615136c06a791364f5afa8b8ba965315a6440f1 (patch) | |
| tree | d9ced4cfdfd13438ce23384fbd64006bb74fd8b6 /arch/xtensa/include/asm/barrier.h | |
| parent | 26a8e96a8b37e8070fa9dcb1b7490cf4d4492d50 (diff) | |
| download | lwn-f615136c06a791364f5afa8b8ba965315a6440f1.tar.gz lwn-f615136c06a791364f5afa8b8ba965315a6440f1.zip | |
xtensa: add SMP support
This is largely based on SMP code from the xtensa-2.6.29-smp tree by
Piet Delaney, Marc Gauthier, Joe Taylor, Christian Zankel (and possibly
other Tensilica folks).
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/include/asm/barrier.h')
| -rw-r--r-- | arch/xtensa/include/asm/barrier.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/barrier.h b/arch/xtensa/include/asm/barrier.h index ef021677d536..8e5e5c980a7a 100644 --- a/arch/xtensa/include/asm/barrier.h +++ b/arch/xtensa/include/asm/barrier.h @@ -17,7 +17,9 @@ #define wmb() mb() #ifdef CONFIG_SMP -#error smp_* not defined +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() #else #define smp_mb() barrier() #define smp_rmb() barrier() |