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| author | Avi Kivity <avi@redhat.com> | 2009-08-10 15:42:41 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 10:46:40 +0300 |
| commit | 52c7847d121da3651c08d9e9a99eb8a7cf2faa7a (patch) | |
| tree | b84e1817a8878fa8a121ecac4a4d3d23b903905a | |
| parent | cb142eb743d02d48165c9d941b601d731cc4a003 (diff) | |
| download | lwn-52c7847d121da3651c08d9e9a99eb8a7cf2faa7a.tar.gz lwn-52c7847d121da3651c08d9e9a99eb8a7cf2faa7a.zip | |
KVM: SVM: Drop tlb flush workaround in npt
It is no longer possible to reproduce the problem any more, so presumably
it has been fixed.
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 8f7751a66a2b..944cc9c04b3c 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1187,17 +1187,8 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) error_code = svm->vmcb->control.exit_info_1; trace_kvm_page_fault(fault_address, error_code); - /* - * FIXME: Tis shouldn't be necessary here, but there is a flush - * missing in the MMU code. Until we find this bug, flush the - * complete TLB here on an NPF - */ - if (npt_enabled) - svm_flush_tlb(&svm->vcpu); - else { - if (kvm_event_needs_reinjection(&svm->vcpu)) - kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address); - } + if (!npt_enabled && kvm_event_needs_reinjection(&svm->vcpu)) + kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address); return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code); } |