Commits
Xiao Guangrong committed be233d49ea8
KVM: MMU: don't atomicly set spte if it's not present 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>