From: Suravee Suthikulpanit Date: Thu, 19 May 2022 10:26:57 +0000 (-0500) Subject: KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c514d3a348ac4358215fdfb9ed17d4c01dd39731;p=linux.git KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID In x2APIC mode, ICRH contains 32-bit destination APIC ID. So, update the avic_kick_target_vcpus() accordingly. Reviewed-by: Maxim Levitsky Signed-off-by: Suravee Suthikulpanit Message-Id: <20220519102709.24125-6-suravee.suthikulpanit@amd.com> Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index 15dc6ca2c4984..8b8a221cd6357 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -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. */ 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,