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KVM: Call kvm_vcpu_kick() inside pic spinlock 

d5ecfdd25 moved it out because back than it was impossible to
call it inside spinlock. This restriction no longer exists.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-08-04 15:30:27 +03:00 committed by Avi Kivity
parent 3a34a8810b
commit 956f97cf66
2 changed files with 1 additions and 10 deletions
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10
arch/x86/kvm/i8259.c
View File

@ -43,11 +43,9 @@ static void pic_unlock(struct kvm_pic *s)
{
struct kvm *kvm = s->kvm;
unsigned acks = s->pending_acks;
bool wakeup = s->wakeup_needed;
struct kvm_vcpu *vcpu;
s->pending_acks = 0;
s->wakeup_needed = false;
spin_unlock(&s->lock);
@ -56,12 +54,6 @@ static void pic_unlock(struct kvm_pic *s)
__ffs(acks));
acks &= acks - 1;
}
if (wakeup) {
vcpu = s->kvm->bsp_vcpu;
if (vcpu)
kvm_vcpu_kick(vcpu);
}
}
static void pic_clear_isr(struct kvm_kpic_state *s, int irq)
@ -527,7 +519,7 @@ static void pic_irq_request(void *opaque, int level)
s->output = level;
if (vcpu && level && (s->pics[0].isr_ack & (1 << irq))) {
s->pics[0].isr_ack &= ~(1 << irq);
s->wakeup_needed = true;
kvm_vcpu_kick(vcpu);
}
}

1
arch/x86/kvm/irq.h
View File

@ -63,7 +63,6 @@ struct kvm_kpic_state {
struct kvm_pic {
spinlock_t lock;
bool wakeup_needed;
unsigned pending_acks;
struct kvm *kvm;
struct kvm_kpic_state pics[2]; /* 0 is master pic, 1 is slave pic */