Re: [PATCH] percpu_rwsem: fix missed wakeup due to reordering of load

[Davidlohr Bueso]

On 2018-12-12 06:26, Prateek Sood wrote:
> Please confirm if the suspicion of smp_rmb is correct.
> IMO, it should be smp_mb() translating to dmb ish.

Feel free to add my ack. This should also be Cc to stable as of v4.11.

Fixes: 8f95c90ceb54 (sched/wait, RCU: Introduce rcuwait machinery)

Thanks,
Davidlohr