Re: query: [PATCH 2/2] cgroup: Remove call to synchronize_rcu incgroup_attach_task

From: Mike Galbraith
Date: Thu Apr 14 2011 - 04:44:45 EST


On Thu, 2011-04-14 at 10:34 +0200, Mike Galbraith wrote:
> > > On Wed, 2011-04-13 at 15:16 +0200, Paul Menage wrote:
>
> > > > > + kfree(cgrp);
> > > >
> > > > We might want to punt this through RCU again, in case the subsystem
> > > > destroy() callbacks left anything around that was previously depending
> > > > on the RCU barrier.
>
> Yup, great idea. Two stage teardown/free quenched the fireworks

Correction: made fireworks take longer to ignite. Roughly a minute
after I poked xmit, box exploded. Hohum. BTTODB

-Mike


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/