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KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID

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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>
Message-Id: <20220519102709.24125-6-suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Suravee Suthikulpanit 2022-05-19 05:26:57 -05:00 • committed by Paolo Bonzini
parent d2fe6bf5b8
commit c514d3a348
1 changed files with 8 additions and 2 deletions
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10
arch/x86/kvm/svm/avic.c
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@ -402,9 +402,15 @@ static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source,
* since entered the guest will have processed pending IRQs at VMRUN. * since entered the guest will have processed pending IRQs at VMRUN.
*/ */
kvm_for_each_vcpu(i, vcpu, kvm) { 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, if (kvm_apic_match_dest(vcpu, source, icrl & APIC_SHORT_MASK,
GET_XAPIC_DEST_FIELD(icrh), dest, icrl & APIC_DEST_MASK)) {
icrl & APIC_DEST_MASK)) {
vcpu->arch.apic->irr_pending = true; vcpu->arch.apic->irr_pending = true;
svm_complete_interrupt_delivery(vcpu, svm_complete_interrupt_delivery(vcpu,
icrl & APIC_MODE_MASK, icrl & APIC_MODE_MASK,