Re: [PATCH] task_work_run: don't take ->pi_lock unconditionally

Peter Zijlstra
2020-02-28T19:25:14Z

On Fri, Feb 28, 2020 at 12:17:58PM -0700, Jens Axboe wrote:
> >
> > Peter/Oleg, as you've probably noticed, I'm still hauling Oleg's
> > original patch around. Is the above going to turn into a separate patch
> > on top? If so, feel free to shove it my way as well for some extra
> > testing.
>
> Peter/Oleg, gentle ping on this query. I'd like to queue up the task poll
> rework on the io_uring side, but I still have this one at the start of
> the series:

the generic try_cmpxchg crud I posted earlier is 'wrong' and the sane
version I cooked up depends on a whole bunch of patches that are in
limbo because of kcsan (I need to get that resolved one way or the
other).

So if you don't mind, I'll shelf this for a while until I got all that
sorted.