diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-08 14:56:19 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-08 14:56:19 +0900 |
| commit | 18d4ed4342c14ebeebe60d267b171053efcdfa87 (patch) | |
| tree | f315e77f66cbb70869e2f80cde5c18380a80901e /include/linux/percpu.h | |
| parent | 722d0daf2b607a32dad1357bf797e3803484af0a (diff) | |
| parent | 22de4534ae12d61257fc0e53d2571686b03305bc (diff) | |
Merge branch 'for-3.1' into for-3.2
Conflict due to the fix for the register map failure - taken the for-3.1
version.
Conflicts:
sound/soc/codecs/sgtl5000.c
Diffstat (limited to 'include/linux/percpu.h')
| -rw-r--r-- | include/linux/percpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 8b97308e65df..9ca008f0c542 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -259,6 +259,9 @@ extern void __bad_size_call_parameter(void); * Special handling for cmpxchg_double. cmpxchg_double is passed two * percpu variables. The first has to be aligned to a double word * boundary and the second has to follow directly thereafter. + * We enforce this on all architectures even if they don't support + * a double cmpxchg instruction, since it's a cheap requirement, and it + * avoids breaking the requirement for architectures with the instruction. */ #define __pcpu_double_call_return_bool(stem, pcp1, pcp2, ...) \ ({ \ |