Re: [GIT PULL] locking tree changes for v3.16
From: Peter Zijlstra
Date: Wed Jun 04 2014 - 06:30:19 EST
On Tue, Jun 03, 2014 at 02:50:51PM -0700, Davidlohr Bueso wrote:
> On Tue, 2014-06-03 at 13:48 +0200, Ingo Molnar wrote:
> > Linus,
> >
> > Please pull the latest locking-core-for-linus git tree from:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-core-for-linus
> >
> > # HEAD: 3cf2f34e1a3d4d5ff209d087925cf950e52f4805 rwsem: Add comments to explain the meaning of the rwsem's count field
> >
> > The main changes in this cycle were:
> >
> > - reduced/streamlined smp_mb__*() interface that allows more usecases
> > and makes the existing ones less buggy, especially in rarer
> > architectures
> >
> > - add rwsem implementation comments
> >
> > - bump up lockdep limits
>
> So I guess the rwsem optimistic spinning stuff will be routed through
> akpm then (which is already in -next for a while, through -mm).
>
> Also curious about why Peter's rewrite of the qrwlock_t was removed from
> -tip... I noticed it was there for a few days then disappeared. What am
> I missing?
Ingo is 'missing' most of the time, so while I sit here with a massive
queue of patches its nearly impossible for me to get anything merged :-(
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