It is done for exception and interrupt already.
Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
---
arch/x86/kvm/svm.c | 3 +--
arch/x86/kvm/vmx.c | 2 +-
arch/x86/kvm/x86.h | 6 ++++++
3 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 8f411ff..c1ef2b9 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1090,8 +1090,7 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
if (npt_enabled)
svm_flush_tlb(&svm->vcpu);
else {
- if (svm->vcpu.arch.interrupt.pending ||
- svm->vcpu.arch.exception.pending)
+ 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);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e8a5649..a9b30e6 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2599,7 +2599,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
cr2 = vmcs_readl(EXIT_QUALIFICATION);
KVMTRACE_3D(PAGE_FAULT, vcpu, error_code, (u32)cr2,
(u32)((u64)cr2 >> 32), handler);
- if (vcpu->arch.interrupt.pending || vcpu->arch.exception.pending)
+ if (kvm_event_needs_reinjection(vcpu))
kvm_mmu_unprotect_page_virt(vcpu, cr2);
return kvm_mmu_page_fault(vcpu, cr2, error_code);
}
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 39350b2..21203d4 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -30,4 +30,10 @@ static inline u8 kvm_pop_irq(struct kvm_vcpu *vcpu)
clear_bit(word_index, &vcpu->arch.irq_summary);
return irq;
}
+
+static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
+ vcpu->arch.nmi_injected;
+}
#endif
--
1.6.2.1
--
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