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

[safe/jmp/linux-2.6] / virt / kvm / eventfd.c

diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index bb4ebd8..30f70fd 100644 (file)
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -61,10 +61,8 @@ irqfd_inject(struct work_struct *work)
        struct _irqfd *irqfd = container_of(work, struct _irqfd, inject);
        struct kvm *kvm = irqfd->kvm;
 
-       mutex_lock(&kvm->irq_lock);
        kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1);
        kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 0);
-       mutex_unlock(&kvm->irq_lock);
 }
 
 /*