Messages in this thread | | | Date | Tue, 5 Jun 2012 16:46:40 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH 0/2] rcu: Extended quiescent state for adaptive nohz |
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On Tue, Jun 05, 2012 at 12:31:00PM +0200, Frederic Weisbecker wrote: > On Mon, Jun 04, 2012 at 02:07:09PM -0700, Paul E. McKenney wrote: > > On Mon, Jun 04, 2012 at 09:06:22PM +0200, Frederic Weisbecker wrote: > > > 2012/6/4 Paul E. McKenney <paulmck@linux.vnet.ibm.com>: > > > > On Mon, Jun 04, 2012 at 02:08:26PM +0200, fweisbec@gmail.com wrote: > > > >> From: Frederic Weisbecker <fweisbec@gmail.com> > > > >> > > > >> Paul, Ingo, > > > >> > > > >> This is a rebase of the nohz cpusets RCU APIs on top of Paul's latest > > > >> -rcu (rcu/core) branch. > > > >> > > > >> I have only built tested it yet, I need to do a full rebase of my > > > >> tree to test it in practice. But I wanted to show you how it looks > > > >> like first. > > > >> > > > >> I also wonder if we can set that to a tree somewhere. Ingo suggested > > > >> to set up a tree on -tip to apply the uncontroversial part of nohz > > > >> cpusets patches and iterate from there. I think it would accelerate > > > >> everything if we start doing that. > > > > > > > > It would probably be best to put these two in the -rcu set in order to > > > > avoid conflicts with possible further RCU_FAST_NO_HZ work. I could > > > > push this to -tip early, if that would help. > > > > > > But then these APIs are going to be upstream on 3.6 > > > Is that ok for you even if they don't have any upstream user? > > > We can ifdef it. > > > > I figured on maintaining a separate rcu/idle topic branch that I would > > merge locally for building and testing, but which I would not push > > to rcu/next. If Ingo agrees, I can push separately to -tip so that it > > does not go upstream until you are ready, at which point I would merge > > it into rcu/next. > > > > Seem reasonable, or would something else work better? > > Sounds very good!
Here you go:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/idle
Thanx, Paul
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