KVM: MMU: don't atomicly set spte if it's not present
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Fri, 16 Jul 2010 03:27:10 +0000 (11:27 +0800)
committerAvi Kivity <avi@redhat.com>
Mon, 2 Aug 2010 03:40:59 +0000 (06:40 +0300)
If the old mapping is not present, the spte.a is not lost, so no need
atomic operation to set it

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

No differences found