Messages in this thread | | | From | Eric Dumazet <> | Date | Fri, 17 Jun 2022 21:10:05 +0200 | Subject | Re: [PATCH] locking/rwlocks: do not starve writers |
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On Fri, Jun 17, 2022 at 9:04 PM Peter Zijlstra <peterz@infradead.org> wrote: > > On Fri, Jun 17, 2022 at 07:45:14PM +0200, Eric Dumazet wrote: > > > Were rwlocks always unfair, and we have been lucky ? > > Yes.
So I wonder why we replaced eventpoll spinlock with an rwlock.
Writing a repro is probably more difficult for eventpoll though.
We definitely had production issues after commit a218cc491420
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