Commit 108768de authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

KVM: SVM: check for nested VINTR flag in svm_interrupt_allowed 



Not checking for this flag breaks any nested hypervisor that does not
set VINTR. So fix it with this patch.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 26666957

arch/x86/kvm/svm.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -2463,7 +2463,7 @@ static int svm_interrupt_allowed(struct kvm_vcpu *vcpu) 
	return (vmcb->save.rflags & X86_EFLAGS_IF) &&

	return (vmcb->save.rflags & X86_EFLAGS_IF) &&

		!(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&

		!(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&

		gif_set(svm) &&

		gif_set(svm) &&

		!is_nested(svm);

		!(is_nested(svm) && (svm->vcpu.arch.hflags & HF_VINTR_MASK));

}

}





static void enable_irq_window(struct kvm_vcpu *vcpu)

static void enable_irq_window(struct kvm_vcpu *vcpu)