On Wed, 27 Feb 2019, Ricardo Neri wrote: > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Detect hard lockups on a system > + * > + * Copyright (C) Intel Corporation 2019 > + * > + * Note: All of this code comes from the original perf-specific hardlockup > + * detector. And because you copied it from there without modification this becomes automatically Copyrighted by Intel? May I recommend that you talk to your legal departement about this. Aside of that there is really no value in creating yet another file. The code in question can simply wrapped into a large #ifdef PERF in the old file. Thanks, tglx