Messages in this thread | | | Subject | Re: [RFC PATCH] rcu: move SRCU grace period work to power efficient workqueue | From | Mike Galbraith <> | Date | Mon, 17 Feb 2014 06:26:41 +0100 |
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On Wed, 2014-02-12 at 19:23 +0100, Frederic Weisbecker wrote: > On Mon, Feb 10, 2014 at 10:47:29AM -0800, Paul E. McKenney wrote: > > On Mon, Feb 10, 2014 at 06:08:31PM +0800, Lai Jiangshan wrote: > > > Acked-by: Lai Jiangshan <laijs@cn.fujitsu.com> > > > > Thank you all, queued for 3.15. > > > > We should also have some facility for moving the SRCU workqueues to > > housekeeping/timekeeping kthreads in the NO_HZ_FULL case. Or does > > this patch already have that effect? > > Kevin Hilman and me plan to try to bring a new Kconfig option that could let > us control the unbound workqueues affinity through sysfs.
Handing control to the user seemed like a fine thing, so I started making a boot option to enable it. Forcing WQ_SYSFS on at sysfs decision spot doesn't go well, init order matters :) Post init frobbing required if you want to see/frob all unbound.
-Mike
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