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Commit 9daa5007 authored Feb 29, 2016 by Joerg Roedel Committed by Paolo Bonzini Mar 03, 2016

kvm: x86: Track irq vectors in ioapic->rtc_status.dest_map



This allows backtracking later in case the rtc irq has been
moved to another vcpu/vector.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 9e4aabe2

arch/x86/kvm/ioapic.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -41,7 +41,14 @@ struct kvm_vcpu;
		#endif

		struct dest_map {
		/* vcpu bitmap where IRQ has been sent */
		DECLARE_BITMAP(map, KVM_MAX_VCPUS);

		/*
		* Vector sent to a given vcpu, only valid when
		* the vcpu's bit in map is set
		*/
		u8 vectors[KVM_MAX_VCPUS];
		};

arch/x86/kvm/lapic.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -914,8 +914,10 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,

		result = 1;

		if (dest_map)
		if (dest_map) {
		__set_bit(vcpu->vcpu_id, dest_map->map);
		dest_map->vectors[vcpu->vcpu_id] = vector;
		}

		if (apic_test_vector(vector, apic->regs + APIC_TMR) != !!trig_mode) {
		if (trig_mode)