Re: [PATCH-tip v2 06/12] locking/rwsem: Wake up almost all readers in wait queue

[Davidlohr Bueso]

On Wed, 10 Apr 2019, Waiman Long wrote:
> There are 2 major reasons why there is a limit.
>
> 1) It will be unfair to the task that needs to spend so much of its own
> CPU time to wake up too many readers.

This has never been a problem before.

> 2) I want to avoid the extreme case that there are more than 32k readers
> in the wait queue and make the count overflow.

But in this case the readers are already on the queue.

Thanks,
Davidlohr