Re: [PATCH 09/17] powerpc/qspinlock: implement option to yield to previous node

2022-11-10 Thread Nicholas Piggin
On Thu Nov 10, 2022 at 10:41 AM AEST, Jordan Niethe wrote: > On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote: > [resend as utf-8, not utf-7] > > Queued waiters which are not at the head of the queue don't spin on > > the lock word but their qnode lock word, waiting for the previous queued

Re: [PATCH 09/17] powerpc/qspinlock: implement option to yield to previous node

2022-11-09 Thread Jordan Niethe
On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote: [resend as utf-8, not utf-7] > Queued waiters which are not at the head of the queue don't spin on > the lock word but their qnode lock word, waiting for the previous queued > CPU to release them. Add an option which allows these waiters to

Re: [PATCH 09/17] powerpc/qspinlock: implement option to yield to previous node

2022-08-11 Thread Jordan Niethe
On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote: > Queued waiters which are not at the head of the queue don't spin on > the lock word but their qnode lock word, waiting for the previous queued > CPU to release them. Add an option which allows these waiters to yield > to the previous CPU