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
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
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 i
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 if its vCPU is preempted.
Disable this option by default for now,