From: Radim Krčmář <rkrcmar@redhat.com>
Date: Thu, 8 Oct 2015 18:23:33 +0000 (+0200)
Subject: kvm: x86: set KVM_REQ_EVENT when updating IRR
X-Git-Tag: v4.1.12-92~201^2~53
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7df162bd7a158acafd87d7f55c282e4b3c102cc4;p=users%2Fjedix%2Flinux-maple.git

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 67d07e051436..7dd9a8d3911a 100644
--- 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);