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

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

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fdf989f..5beb4c1 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2286,10 +2286,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
                        goto out;
                if (irqchip_in_kernel(kvm)) {
                        __s32 status;
-                       mutex_lock(&kvm->irq_lock);
                        status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
                                        irq_event.irq, irq_event.level);
-                       mutex_unlock(&kvm->irq_lock);
                        if (ioctl == KVM_IRQ_LINE_STATUS) {
                                irq_event.status = status;
                                if (copy_to_user(argp, &irq_event,