KVM: MMU: don't atomicly set spte if it's not present

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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>

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Xiao Guangrong 2010-07-16 11:27:10 +08:00 • committed by Avi Kivity

parent 9ed5520dd3

commit be233d49ea

1 changed files with 3 additions and 2 deletions

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arch/x86/kvm/mmu.c

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