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From: Tejun Heo <tj@kernel.org>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH update] firewire: core: use non-reentrant workqueue with rescuer
Date: Wed, 13 Oct 2010 11:47:12 +0200	[thread overview]
Message-ID: <4CB58020.6050707@kernel.org> (raw)
In-Reply-To: <tkrat.5d99b60dc100a6d0@s5r6.in-berlin.de>

Hello,

On 10/12/2010 11:29 PM, Stefan Richter wrote:
...
> fw_card.br_work instances should not, and instances of the others must
> not, be executed in parallel by multiple CPUs -- but were not protected
> against that.  Hence allocated a non-reentrant workqueue for them.
> 
> fw_device.work may be used in the memory reclaim path in case of SBP-2
> device updates.  Hence we need a workqueue with rescuer and cannot use
> system_nrt_wq.
> 
> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

Looks good to me.

Reviewed-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun

      reply	other threads:[~2010-10-13  9:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-10 14:55 [PATCH] firewire: core: use non-reentrant workqueue where necessary Stefan Richter
2010-10-10 14:57 ` [PATCH] firewire: sbp2: parallelize login/inquiry, reconnect, and shutdown Stefan Richter
2010-10-11 13:43   ` Tejun Heo
2010-10-11 21:27     ` Stefan Richter
2010-10-11 21:39       ` Stefan Richter
2010-10-12 13:55         ` Tejun Heo
2010-10-12 16:15           ` Stefan Richter
2010-10-12 16:46             ` Tejun Heo
2010-10-12 13:50       ` Tejun Heo
2010-10-12 21:39   ` [PATCH unfinished update] " Stefan Richter
2010-10-12 22:25     ` Stefan Richter
2010-10-12 23:09       ` Stefan Richter
2010-10-13  9:45         ` Tejun Heo
2010-10-11 13:29 ` [PATCH] firewire: core: use non-reentrant workqueue where necessary Tejun Heo
2010-10-11 19:05   ` Stefan Richter
2010-10-12 21:29 ` [PATCH update] firewire: core: use non-reentrant workqueue with rescuer Stefan Richter
2010-10-13  9:47   ` Tejun Heo [this message]

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