On Sat, Nov 17, 2018 at 02:43:48PM -0700, Jens Axboe wrote:
> For the core poll helper, the task state setting don't need
> to imply any atomics, as it's the current task itself that
> is being modified and we're not going to sleep.
>
> For IRQ driven, the wakeup path have the necessary barriers
For the core poll helper, the task state setting don't need
to imply any atomics, as it's the current task itself that
is being modified and we're not going to sleep.
For IRQ driven, the wakeup path have the necessary barriers
to not need us using the heavy handed version of the task
state