diff options
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-12-07 10:35:25 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 11:30:41 +0200 |
| commit | fb67e14fc90f18250259faf61a269320ea8e4d8f (patch) | |
| tree | 4bb294030aa3e43ca5dbf573f39a915452624665 /arch/x86/kvm/x86.c | |
| parent | 2ec4739ddc889af11d09b3d5ca33687f1f3f1020 (diff) | |
KVM: MMU: retry #PF for softmmu
Retry #PF for softmmu only when the current vcpu has the same cr3 as the time
when #PF occurs
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 8b4d5fc08012..cd71d210c409 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6182,7 +6182,7 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) { int r; - if (!vcpu->arch.mmu.direct_map || !work->arch.direct_map || + if ((vcpu->arch.mmu.direct_map != work->arch.direct_map) || is_error_page(work->page)) return; @@ -6190,6 +6190,10 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) if (unlikely(r)) return; + if (!vcpu->arch.mmu.direct_map && + work->arch.cr3 != vcpu->arch.mmu.get_cr3(vcpu)) + return; + vcpu->arch.mmu.page_fault(vcpu, work->gva, 0, true); } |