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: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 144f202..6610f60 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2463,7 +2463,7 @@
return (vmcb->save.rflags & X86_EFLAGS_IF) &&
!(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&
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)