Messages in this thread | | | Subject | Re: [PATCH-tip v2 06/12] locking/rwsem: Wake up almost all readers in wait queue | From | Waiman Long <> | Date | Wed, 10 Apr 2019 13:53:06 -0400 |
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On 04/10/2019 01:22 PM, Davidlohr Bueso wrote: > 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. >
In real workloads, you seldom have more than a couple dozens of readers waiting in the queue.
Cheers, Longman
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