1 files changed, 4 insertions, 14 deletions

diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index d27320c8d464..3aacd331e2de 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -41,25 +41,16 @@ static void pic_lock(struct kvm_pic *s)
 static void pic_unlock(struct kvm_pic *s)
         __releases(&s->lock)
 {
-        struct kvm *kvm = s->kvm;
-        unsigned acks = s->pending_acks;
-        struct kvm_vcpu *vcpu;
-
-        s->pending_acks = 0;
-
         spin_unlock(&s->lock);
-
-        while (acks) {
-                kvm_notify_acked_irq(kvm, SELECT_PIC(__ffs(acks)),
-                                     __ffs(acks));
-                acks &= acks - 1;
-        }
 }
 
 static void pic_clear_isr(struct kvm_kpic_state *s, int irq)
 {
         s->isr &= ~(1 << irq);
         s->isr_ack |= (1 << irq);
+        if (s != &s->pics_state->pics[0])
+                irq += 8;
+        kvm_notify_acked_irq(s->pics_state->kvm, SELECT_PIC(irq), irq);
 }
 
 void kvm_pic_clear_isr_ack(struct kvm *kvm)
@@ -240,7 +231,6 @@ int kvm_pic_read_irq(struct kvm *kvm)
         }
         pic_update_irq(s);
         pic_unlock(s);
-        kvm_notify_acked_irq(kvm, SELECT_PIC(irq), irq);
 
         return intno;
 }
@@ -260,7 +250,7 @@ void kvm_pic_reset(struct kvm_kpic_state *s)
                 if (vcpu0 && kvm_apic_accept_pic_intr(vcpu0))
                         if (s->irr & (1 << irq) || s->isr & (1 << irq)) {
                                 n = irq + irqbase;
-                                s->pics_state->pending_acks |= 1 << n;
+                                kvm_notify_acked_irq(kvm, SELECT_PIC(n), n);
                         }
         }
         s->last_irr = 0;