linux-kernel - Re: 2.6.18-rc3-g3b445eea BUG: warning at /usr/src/linux-git/kernel/cpu.c:51/unlock_cpu

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Message-Id: <20060805181208.ec8ff3f0.akpm@osdl.org>
Date:	Sat, 5 Aug 2006 18:12:08 -0700
From:	Andrew Morton <akpm@...l.org>
To:	davej@...hat.com, torvalds@...l.org,
	michal.k.k.piotrowski@...il.com, linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc3-g3b445eea BUG: warning at
 /usr/src/linux-git/kernel/cpu.c:51/unlock_cpu_hotplug()

On Sat, 5 Aug 2006 00:46:00 -0700
Andrew Morton <akpm@...l.org> wrote:

> On Sat, 5 Aug 2006 02:47:28 -0400
> Dave Jones <davej@...hat.com> wrote:
> 
> > Creating a variant of __create_workqueue that doesn't take the lock
> > seems really nasty.
> 
> Honestly, the default fix for lock_cpu_hotplug() problems should be to
> delete the lock_cpu_hotplug() calls and to implement local locking.
> 
> Here's a not-runtime-tested workqueue.c example.

It's now slightly-runtime-tested.  I'll include it in rc3-mm1.
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