linux-kernel - Re: [PATCH 1/3] cpuset: clean up cpuset hierarchy traversal code

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Message-Id: <20080728001205.f3801aca.pj@sgi.com>
Date:	Mon, 28 Jul 2008 00:12:05 -0500
From:	Paul Jackson <pj@....com>
To:	Paul Jackson <pj@....com>
Cc:	lizf@...fujitsu.com, akpm@...ux-foundation.org, menage@...gle.com,
	seto.hidetoshi@...fujitsu.com, laijs@...fujitsu.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] cpuset: clean up cpuset hierarchy traversal code

pj wrote:
> Can you figure out if we are holding any system wide lock, such as
> cgroup_mutex, at this point?

Nevermind ... this is in rebuild_sched_domains(), which must be
called with cgroup_mutex held.  So we danged well better be holding
a system wide lock.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@....com> 1.940.382.4214
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