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KVM: MMU: fix forgot flush tlbs on sync_page path
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Fri, 19 Nov 2010 09:01:40 +0000 (17:01 +0800)
committerAvi Kivity <avi@redhat.com>
Wed, 12 Jan 2011 09:29:43 +0000 (11:29 +0200)
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>

No differences found
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