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| author | H. Peter Anvin <[email protected]> | 2013-12-19 11:58:16 -0800 |
|---|---|---|
| committer | H. Peter Anvin <[email protected]> | 2013-12-19 11:58:16 -0800 |
| commit | 7e98b71920464b8d15fa95c74366416cd3c88861 (patch) | |
| tree | e33e2af9f6a1813490aa686619de72c67b159e81 /fs/jbd/commit.c | |
| parent | 16824255394f55adf31b9a96a9965d8c15bdac4c (diff) | |
x86, idle: Use static_cpu_has() for CLFLUSH workaround, add barriers
Use static_cpu_has() to conditionalize the CLFLUSH workaround, and add
memory barriers around it since the documentation is explicit that
CLFLUSH is only ordered with respect to MFENCE.
Signed-off-by: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Len Brown <[email protected]>
Link: http://lkml.kernel.org/r/CA%2B55aFzGxcML7j8CEvQPYzh0W81uVoAAVmGctMOUZ7CZ1yYd2A@mail.gmail.com
Diffstat (limited to 'fs/jbd/commit.c')
0 files changed, 0 insertions, 0 deletions