Re: [GIT PULL] adaptive spinning mutexes

Ingo Molnar
2009-01-15T09:53:21Z

* Chris Mason <chris.mason@oracle.com> wrote:

> On Wed, 2009-01-14 at 19:33 +0100, Ingo Molnar wrote:
> > * Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > > Full series, including changelogs available at:
> > >
> > > http://programming.kicks-ass.net/kernel-patches/mutex-adaptive-spin/
> > >
> > > and should shortly appear in a git tree near Ingo :-)
> >
> > Linus,
> >
> > Please pull the adaptive-mutexes-for-linus git tree from:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git adaptive-mutexes-for-linus
> >
>
> I was going to put this into the btrfs tree, but since you have a branch
> just for adaptive mutexes, is it easier to put there?
>
> From: Chris Mason <chris.mason@oracle.com>
>
> Btrfs: stop spinning on mutex_trylock and let the adaptive code spin for us
>
> Mutexes now spin internally and the btrfs spin is no longer required for
> performance.
>
> Signed-off-by: Chris Mason <chris.mason@oracle.com>

applied it to tip/core/locking, thanks Chris!

Ingo