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Commit 9f4cc127 authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Avi Kivity
Browse files

KVM: Grab pic lock in kvm_pic_clear_isr_ack 



isr_ack is protected by kvm_pic->lock.

Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 238adc77

arch/x86/kvm/i8259.c

+2 −0
Original line number Diff line number Diff line
@@ -72,8 +72,10 @@ static void pic_clear_isr(struct kvm_kpic_state *s, int irq) 
void kvm_pic_clear_isr_ack(struct kvm *kvm)

{

	struct kvm_pic *s = pic_irqchip(kvm);

	pic_lock(s);

	s->pics[0].isr_ack = 0xff;

	s->pics[1].isr_ack = 0xff;

	pic_unlock(s);

}



/*