linux-kernel - Re: query: [PATCH 2/2] cgroup: Remove call to synchronize_rcu in cgroup_attach

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 14 Apr 2011 10:44:35 +0200
From:	Mike Galbraith <efault@....de>
To:	Paul Menage <menage@...gle.com>
Cc:	Li Zefan <lizf@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Colin Cross <ccross@...roid.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: query: [PATCH 2/2] cgroup: Remove call to synchronize_rcu in
 cgroup_attach_task

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@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/