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Commit 79c727d4 authored by Gleb Natapov's avatar Gleb Natapov Committed by Avi Kivity
Browse files

KVM: Call pic_clear_isr() on pic reset to reuse logic there 



Also move call of ack notifiers after pic state change.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 851ba692

arch/x86/kvm/i8259.c

+9 −13
Original line number Diff line number Diff line
@@ -225,22 +225,11 @@ int kvm_pic_read_irq(struct kvm *kvm) 


void kvm_pic_reset(struct kvm_kpic_state *s)

{

	int irq, irqbase, n;

	int irq;

	struct kvm *kvm = s->pics_state->irq_request_opaque;

	struct kvm_vcpu *vcpu0 = kvm->bsp_vcpu;

	u8 irr = s->irr, isr = s->imr;



	if (s == &s->pics_state->pics[0])

		irqbase = 0;

	else

		irqbase = 8;



	for (irq = 0; irq < PIC_NUM_PINS/2; irq++) {

		if (vcpu0 && kvm_apic_accept_pic_intr(vcpu0))

			if (s->irr & (1 << irq) || s->isr & (1 << irq)) {

				n = irq + irqbase;

				kvm_notify_acked_irq(kvm, SELECT_PIC(n), n);

			}

	}

	s->last_irr = 0;

	s->irr = 0;

	s->imr = 0;
@@ -256,6 +245,13 @@ void kvm_pic_reset(struct kvm_kpic_state *s) 
	s->rotate_on_auto_eoi = 0;

	s->special_fully_nested_mode = 0;

	s->init4 = 0;



	for (irq = 0; irq < PIC_NUM_PINS/2; irq++) {

		if (vcpu0 && kvm_apic_accept_pic_intr(vcpu0))

			if (irr & (1 << irq) || isr & (1 << irq)) {

				pic_clear_isr(s, irq);

			}

	}

}



static void pic_ioport_write(void *opaque, u32 addr, u32 val)