On Mon, Jul 13, 2020 at 10:48:00PM -0400, Waiman Long wrote: > Storing the cpu number into the lock can be useful for other reason too. It > is not totally related to PPC support. Well, the thing you did only works for 'small' (<253 CPU) systems. There's a number of Power systems that's distinctly larger than that. So it simply cannot work as anything other than a suggestion/hint. It must not be a correctness thing.
