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| author | Xiao Guangrong <[email protected]> | 2010-07-16 03:30:18 +0000 |
|---|---|---|
| committer | Avi Kivity <[email protected]> | 2010-08-02 03:41:01 +0000 |
| commit | 9a3aad70572c3f4d55e7f09ac4eb313d41d0a484 (patch) | |
| tree | f3c1efd08eed5b0f37078c9b91658e25e7775808 /fs/jbd/commit.c | |
| parent | KVM: MMU: cleanup spte set and accssed/dirty tracking (diff) | |
| download | kernel-9a3aad70572c3f4d55e7f09ac4eb313d41d0a484.tar.gz kernel-9a3aad70572c3f4d55e7f09ac4eb313d41d0a484.zip | |
KVM: MMU: using __xchg_spte more smarter
Sometimes, atomically set spte is not needed, this patch call __xchg_spte()
more smartly
Note: if the old mapping's access bit is already set, we no need atomic operation
since the access bit is not lost
Signed-off-by: Xiao Guangrong <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
Diffstat (limited to 'fs/jbd/commit.c')
0 files changed, 0 insertions, 0 deletions