linux-kernel - Re: [PATCH 3/2] fix flush_workqueue() vs CPU

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Message-ID: <20070103151704.GA28195@in.ibm.com>
Date:	Wed, 3 Jan 2007 20:47:04 +0530
From:	Gautham R Shenoy <ego@...ibm.com>
To:	Gautham R Shenoy <ego@...ibm.com>
Cc:	Andrew Morton <akpm@...l.org>, Oleg Nesterov <oleg@...sign.ru>,
	Ingo Molnar <mingo@...e.hu>,
	David Howells <dhowells@...hat.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, dipankar@...ibm.com, vatsa@...ibm.com
Subject: Re: [PATCH 3/2] fix flush_workqueue() vs CPU_DEAD race

On Wed, Jan 03, 2007 at 07:34:59PM +0530, Gautham R Shenoy wrote:
> 
> > handle-cpu_lock_acquire-and-cpu_lock_release-in-workqueue_cpu_callback.patch
> 
> Again, this one ensures that workqueue_mutex is taken/released on
> CPU_LOCK_ACQUIRE/CPU_LOCK_RELEASE events in the cpuhotplug callback
> function. So this one is required, unless it conflicts with what Oleg
> has posted. Will check that out tonite.

We would still be needing this patch as it's complementing what Oleg has
posted.

Thanks and Regards
gautham.
-- 
Gautham R Shenoy
Linux Technology Center
IBM India.
"Freedom comes with a price tag of responsibility, which is still a bargain,
because Freedom is priceless!"
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