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KVM: MMU: fix apf prefault if nested guest is enabled

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If apf is generated in L2 guest and is completed in L1 guest, it will
prefault this apf in L1 guest's mmu context.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong
2010-11-12 14:49:55 +08:00
committed by Avi Kivity
parent 060c2abe6c
commit c4806acdce
3 changed files with 4 additions and 1 deletions
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3
arch/x86/kvm/x86.c
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@@ -6168,7 +6168,8 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work)
{
int r;
if (!vcpu->arch.mmu.direct_map || is_error_page(work->page))
if (!vcpu->arch.mmu.direct_map || !work->arch.direct_map ||
is_error_page(work->page))
return;
r = kvm_mmu_reload(vcpu);