diff mbox series

[05/12] KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID

Message ID 20220405230855.15376-6-suravee.suthikulpanit@amd.com (mailing list archive)
State New, archived
Headers show
Series Introducing AMD x2APIC Virtualization (x2AVIC) support. | expand

Commit Message

Suthikulpanit, Suravee April 5, 2022, 11:08 p.m. UTC 
In x2APIC mode, ICRH contains 32-bit destination APIC ID.
So, update the avic_kick_target_vcpus() accordingly.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
 arch/x86/kvm/svm/avic.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 571de2d4232d..c36a236e1e8a 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -307,9 +307,15 @@  static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source,
 	 * since entered the guest will have processed pending IRQs at VMRUN.
 	 */
 	kvm_for_each_vcpu(i, vcpu, kvm) {
+		u32 dest;
+
+		if (apic_x2apic_mode(vcpu->arch.apic))
+			dest = icrh;
+		else
+			dest = GET_XAPIC_DEST_FIELD(icrh);
+
 		if (kvm_apic_match_dest(vcpu, source, icrl & APIC_SHORT_MASK,
-					GET_XAPIC_DEST_FIELD(icrh),
-					icrl & APIC_DEST_MASK)) {
+					dest, icrl & APIC_DEST_MASK)) {
 			vcpu->arch.apic->irr_pending = true;
 			svm_complete_interrupt_delivery(vcpu,
 							icrl & APIC_MODE_MASK,