KVM: MMU: fix forgot flush tlbs on sync_page path

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We should flush all tlbs after drop spte on sync_page path since

Quote from Avi:
| sync_page
| drop_spte
| kvm_mmu_notifier_invalidate_page
| kvm_unmap_rmapp
| spte doesn't exist -> no flush
| page is freed
| guest can write into freed page?

KVM-Stable-Tag.
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 17:01:40 +08:00 • committed by Avi Kivity

parent 27923eb19c

commit 30bfb3c425

1 changed files with 1 additions and 0 deletions

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arch/x86/kvm/paging_tmpl.h

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