mirror of https://gitee.com/openkylin/linux.git
KVM: x86: deliver phys lowest-prio
Physical mode can't address more than one APIC, but lowest-prio is allowed, so we just reuse our paths. SDM 10.6.2.1 Physical Destination: Also, for any non-broadcast IPI or I/O subsystem initiated interrupt with lowest priority delivery mode, software must ensure that APICs defined in the interrupt address are present and enabled to receive interrupts. We could warn on top of that. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -693,8 +693,6 @@ bool kvm_irq_delivery_to_apic_fast(struct kvm *kvm, struct kvm_lapic *src,
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ret = true;
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if (irq->dest_mode == 0) { /* physical mode */
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if (irq->delivery_mode == APIC_DM_LOWEST)
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goto out;
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dst = &map->phys_map[irq->dest_id & 0xff];
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} else {
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u32 mda = irq->dest_id << (32 - map->ldr_bits);
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