Messages in this thread | | | Subject | Re: [PATCH] rwsem: Comments to explain the meaning of the rwsem's count field | From | Tim Chen <> | Date | Fri, 02 May 2014 11:05:59 -0700 |
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On Thu, 2014-05-01 at 11:38 -0700, Davidlohr Bueso wrote: > On Thu, 2014-05-01 at 10:50 -0700, Tim Chen wrote: > > It takes me a while to understand how rwsem's count field mainifest > > itself in different scenarios. I'm adding comments to provide a quick > > reference on the the rwsem's count field for each scenario where readers > > and writers are contending/holding the lock. Hopefully it will be useful > > for future maintenance of the code and for people to get up to speed on > > how the logic in the code works. > > Agreed, this is nice to have. I'm planning on sending a minor set of > patches for rwsem once the optistic spinning stuff is taken. To simplify > things, I can take this in the series and resend along with the others.
I'm fine with whichever way is more convenient for Peter or Ingo.
Thanks.
Tim
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