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

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Also move call of ack notifiers after pic state change.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-08-24 11:54:18 +03:00 committed by Avi Kivity
parent 851ba6922a
commit 79c727d437
1 changed files with 9 additions and 13 deletions
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22
arch/x86/kvm/i8259.c
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@ -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)