I don't see any reason any more for this lock, seemed to be used to protect removal of kvm->arch.vpic / kvm->arch.vioapic when already partially inititalized, now access is properly protected using kvm->arch.irqchip_mode and this shouldn't be necessary anymore. Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> --- arch/x86/kvm/x86.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 95372e3..6ac81f0 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4025,10 +4025,8 @@ long kvm_arch_vm_ioctl(struct file *filp, if (r) { kvm->arch.irqchip_mode = KVM_IRQCHIP_NONE; mutex_lock(&kvm->slots_lock); - mutex_lock(&kvm->irq_lock); kvm_ioapic_destroy(kvm); kvm_pic_destroy(kvm); - mutex_unlock(&kvm->irq_lock); mutex_unlock(&kvm->slots_lock); goto create_irqchip_unlock; } -- 2.9.3