On 2017-07-18 09:03:47 [-0300], Marcelo Tosatti wrote: > > wait_lock for mmu_lock, being allocated in kmalloc memory, > can't be tracked by LOCKDEP. there is: struct kvm *kvm = kvm_arch_alloc_vm(); spin_lock_init(&kvm->mmu_lock); and kvm_arch_alloc_vm() itself is "kzalloc(sizeof(struct kvm), GFP_KERNEL);". I don't see anything wrong with it. This does not explain why this lockdep warning. > Disable LOCKDEP verification for it. > > Fixes > INFO: trying to register non-static key. > the code is fine but needs lockdep annotation. > turning off the locking correctness validator. not convinced. > CPU: 0 PID: 12386 Comm: qemu-kvm Not tainted 3.10.0-631.rt56.546.el7.x86_64.debug #1 oh. Sebastian
