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KVM: SVM: Drop tlb flush workaround in npt

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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>
This commit is contained in:
Avi Kivity 2009-08-10 15:42:41 +03:00
parent cb142eb743
commit 52c7847d12
1 changed files with 2 additions and 11 deletions
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13
arch/x86/kvm/svm.c
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@ -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; error_code = svm->vmcb->control.exit_info_1;
trace_kvm_page_fault(fault_address, error_code); trace_kvm_page_fault(fault_address, error_code);
/* if (!npt_enabled && kvm_event_needs_reinjection(&svm->vcpu))
* FIXME: Tis shouldn't be necessary here, but there is a flush kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address);
* 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);
}
return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code); return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
} }