Messages in this thread | | | Date | Thu, 29 Nov 2018 10:17:16 -0800 | From | Davidlohr Bueso <> | Subject | Re: [RFC] locking/rwsem: Avoid issuing wakeup before setting the reader waiter to nil |
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On Thu, 29 Nov 2018, Peter Zijlstra wrote:
>On Thu, Nov 29, 2018 at 12:58:26PM -0500, Waiman Long wrote: >> OK, you convinced me. However, that can still lead to anonymous wakeups >> that can be problematic if it happens in certain places. Should we try >> to reduce anonymous wakeup as much as possible? > >No, we should at all times accept and expect spurious wakeups.
Right, when this was merged, spurious wakeups were acknowledged as quite possible.
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