KVM: MMU: don't drop spte if overwrite it from W to RO

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We just need flush tlb if overwrite a writable spte with a read-only one.

And we should move this operation to set_spte() for sync_page path

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

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Xiao Guangrong 2010-11-19 17:02:35 +08:00 • committed by Avi Kivity

parent 30bfb3c425

commit b330aa0c7d

1 changed files with 9 additions and 11 deletions

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arch/x86/kvm/mmu.c

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