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[PATCH 2/2] KVM: X86: Don't block vCPU if there is pending exception




From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>

Don't block vCPU if there is pending exception.

Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Radim Krčmář <rkrcmar@xxxxxxxxxx>
Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
---
 arch/x86/kvm/x86.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6069af8..1a0dce4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8452,6 +8452,9 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
 	if (vcpu->arch.pv.pv_unhalted)
 		return true;
 
+	if (vcpu->arch.exception.pending)
+		return true;
+
 	if (kvm_test_request(KVM_REQ_NMI, vcpu) ||
 	    (vcpu->arch.nmi_pending &&
 	     kvm_x86_ops->nmi_allowed(vcpu)))
-- 
2.7.4