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| author | Max Filippov <jcmvbkbc@gmail.com> | 2013-10-16 22:42:26 (GMT) |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2014-01-14 18:19:58 (GMT) |
| commit | f615136c06a791364f5afa8b8ba965315a6440f1 (patch) | |
| tree | d9ced4cfdfd13438ce23384fbd64006bb74fd8b6 /arch/xtensa/include/asm/bitops.h | |
| parent | 26a8e96a8b37e8070fa9dcb1b7490cf4d4492d50 (diff) | |
| download | linux-f615136c06a791364f5afa8b8ba965315a6440f1.tar.xz | |
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/bitops.h')
| -rw-r--r-- | arch/xtensa/include/asm/bitops.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h index 84afe58d..7b6873a 100644 --- a/arch/xtensa/include/asm/bitops.h +++ b/arch/xtensa/include/asm/bitops.h @@ -22,12 +22,8 @@ #include <asm/processor.h> #include <asm/byteorder.h> -#ifdef CONFIG_SMP -# error SMP not supported on this architecture -#endif - -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() +#define smp_mb__before_clear_bit() smp_mb() +#define smp_mb__after_clear_bit() smp_mb() #include <asm-generic/bitops/non-atomic.h> |