[PATCH v2 1/4] KVM: x86: use delivery to self in hyperv synic

Radim Krčmář
2016-12-13T16:31:12Z

Interrupt to self can be sent without knowing the APIC ID.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---
v2: r-b David

arch/x86/kvm/hyperv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 99cde5220e07..313957ec9a9d 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -305,13 +305,13 @@ static int synic_set_irq(struct kvm_vcpu_hv_synic *synic, u32 sint)
return -ENOENT;

memset(&irq, 0, sizeof(irq));
- irq.dest_id = kvm_apic_id(vcpu->arch.apic);
+ irq.shorthand = APIC_DEST_SELF;
irq.dest_mode = APIC_DEST_PHYSICAL;
irq.delivery_mode = APIC_DM_FIXED;
irq.vector = vector;
irq.level = 1;

- ret = kvm_irq_delivery_to_apic(vcpu->kvm, NULL, &irq, NULL);
+ ret = kvm_irq_delivery_to_apic(vcpu->kvm, vcpu->arch.apic, &irq, NULL);
trace_kvm_hv_synic_set_irq(vcpu->vcpu_id, sint, irq.vector, ret);
return ret;
}
--
2.11.0