KVM: Drop kvm->irq_lock lock from irq injection path

[safe/jmp/linux-2.6] / arch / x86 / kvm / i8254.c

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 144e7f6..fab7440 100644 (file)
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -688,10 +688,8 @@ static void __inject_pit_timer_intr(struct kvm *kvm)
        struct kvm_vcpu *vcpu;
        int i;
 
-       mutex_lock(&kvm->irq_lock);
        kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 1);
        kvm_set_irq(kvm, kvm->arch.vpit->irq_source_id, 0, 0);
-       mutex_unlock(&kvm->irq_lock);
 
        /*
         * Provides NMI watchdog support via Virtual Wire mode.