On Thu, Jul 23, 2020 at 02:32:36PM -0400, Waiman Long wrote:

BTW, do you have any comment on my v2 lock holder cpu info qspinlock patch?
I will have to update the patch to fix the reported 0-day test problem, but
I want to collect other feedback before sending out v3.

I want to say I hate it all, it adds instructions to a path we spend an
aweful lot of time optimizing without really getting anything back for
it.

Will, how do you feel about it?