Re: [PATCH 12/17] powerpc/qspinlock: add ability to prod new queue head CPU

2022-11-10 Thread Nicholas Piggin
On Thu Nov 10, 2022 at 10:42 AM AEST, Jordan Niethe wrote: > On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote: > [resend as utf-8, not utf-7] > > After the head of the queue acquires the lock, it releases the > > next waiter in the queue to become the new head. Add an option > > to prod the

Re: [PATCH 12/17] powerpc/qspinlock: add ability to prod new queue head CPU

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] > After the head of the queue acquires the lock, it releases the > next waiter in the queue to become the new head. Add an option > to prod the new head if its vCPU was preempted. This may only > have an effect i

Re: [PATCH 12/17] powerpc/qspinlock: add ability to prod new queue head CPU

2022-08-11 Thread Jordan Niethe
On Thu, 2022-07-28 at 16:31 +1000, Nicholas Piggin wrote: > After the head of the queue acquires the lock, it releases the > next waiter in the queue to become the new head. Add an option > to prod the new head if its vCPU was preempted. This may only > have an effect if queue waiters are yielding.