| commit | 9a3aad70572c3f4d55e7f09ac4eb313d41d0a484 | [log] [tgz] |
|---|---|---|
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | Fri Jul 16 11:30:18 2010 +0800 |
| committer | Avi Kivity <avi@redhat.com> | Mon Aug 02 06:41:01 2010 +0300 |
| tree | f3c1efd08eed5b0f37078c9b91658e25e7775808 | |
| parent | e4b502ead259fcf70839414abb7c8cdc3b523f01 [diff] |
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>