On Wed, May 14, 2014 at 07:27:04AM -0700, Davidlohr Bueso wrote: > On Mon, 2014-05-05 at 01:46 -0700, tip-bot for Tim Chen wrote: > > Commit-ID: 3cf2f34e1a3d4d5ff209d087925cf950e52f4805 > > Gitweb: http://git.kernel.org/tip/3cf2f34e1a3d4d5ff209d087925cf950e52f4805 > > Author: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> > > AuthorDate: Fri, 2 May 2014 12:53:57 -0700 > > Committer: Ingo Molnar <mingo@xxxxxxxxxx> > > CommitDate: Sun, 4 May 2014 20:34:26 +0200 > > > > rwsem: Add comments to explain the meaning of the rwsem's count field > > > > It took me quite a while to understand how rwsem's count field > > mainifested itself in different scenarios. > > > > Add comments to provide a quick reference to the the rwsem's count > > field for each scenario where readers and writers are contending > > for 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. > > sigh, after this commit, the opt spin patch no longer applies, I'm > rebasing and send out v5. No worries, fixed it already.
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