KVM: MMU: mark page dirty only when page is really written

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Mark page dirty only when this page is really written, it's more exacter,
and also can fix dirty page marking in speculation path

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

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Xiao Guangrong 2010-08-02 16:15:08 +08:00 • committed by Avi Kivity

parent 8672b7217a

commit 4132779b17

1 changed files with 28 additions and 19 deletions

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arch/x86/kvm/mmu.c

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