On Sat, Nov 10, 2018 at 07:30:54PM -0500, Waiman Long wrote: > On 11/10/2018 09:20 AM, Peter Zijlstra wrote: > > On Thu, Nov 08, 2018 at 03:34:23PM -0500, Waiman Long wrote: > >> There are use cases where we want to allow 2-level nesting of one > >> terminal lock underneath another one. So the terminal lock type is now > >> extended to support a new nested terminal lock where it can allow the > >> acquisition of another regular terminal lock underneath it. > > You're stretching things here... If you're allowing things under it, it > > is no longer a terminal lock. > > > > Why would you want to do such a thing? > > A majority of the gain in debugobjects is to make the hash lock a kind > of terminal lock. Yes, I may be stretching it a bit here. I will take > back the nesting patch and consider doing that in a future patch. Maybe try and write a better changelog? I'm not following, but that could also be because I've been awake for almost 20 hours :/
