diff options
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-07-16 07:30:18 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-02 07:41:01 +0400 |
| commit | 9a3aad70572c3f4d55e7f09ac4eb313d41d0a484 (patch) | |
| tree | f3c1efd08eed5b0f37078c9b91658e25e7775808 /arch/s390 | |
| parent | e4b502ead259fcf70839414abb7c8cdc3b523f01 (diff) | |
| download | linux-9a3aad70572c3f4d55e7f09ac4eb313d41d0a484.tar.xz | |
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 <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390')
0 files changed, 0 insertions, 0 deletions