kvm: x86: set KVM_REQ_EVENT when updating IRR

Orabug: 22623845

commit c77f3fab441c3e466b4c3601a475fc31ce156b06 upstream.

After moving PIR to IRR, the interrupt needs to be delivered manually.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit d5f45ba87a1d13f68a480a75e1ef3b4c801d2283)
Signed-off-by: Dan Duval <dan.duval@oracle.com>

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 67d07e05143680fd0656fef0a2328d62abbf1b55..7dd9a8d3911ae22fe12b105fe279fd6844b11f70 100644 (file)
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -339,6 +339,8 @@ void kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir)
        struct kvm_lapic *apic = vcpu->arch.apic;
 
        __kvm_apic_update_irr(pir, apic->regs);
+
+       kvm_make_request(KVM_REQ_EVENT, vcpu);
 }
 EXPORT_SYMBOL_GPL(kvm_apic_update_irr);