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From: Jens Axboe <axboe@suse.de>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Andreas Herrmann <aherrman@de.ibm.com>,
	James Bottomley <jejb@SteelEye.com>,
	Linux SCSI <linux-scsi@vger.kernel.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] limit recursion when flushing shost->starved_list
Date: Mon, 21 Aug 2006 09:04:29 +0200	[thread overview]
Message-ID: <20060821070429.GM4290@suse.de> (raw)
In-Reply-To: <1156019429.3726.18.camel@mulgrave.il.steeleye.com>

On Sat, Aug 19 2006, James Bottomley wrote:
> On Wed, 2006-08-09 at 17:31 +0200, Andreas Herrmann wrote:
> > Attached is a patch that should limit a possible recursion that can
> > lead to a stack overflow like follows:
> 
> Well, OK, initially I'll put this in scsi-misc, since I acknowledge its
> a problem.   However, it is one that block queue grouping should be able
> to get us out of ... and at that time, this code (and most of the
> starved list handling) should exit the scsi mid-layer.

Yep, the patch is a little nasty but I don't see a better way currently.
So the above outline sounds good to me.

-- 
Jens Axboe

      reply	other threads:[~2006-08-21  7:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-09 15:31 [PATCH] limit recursion when flushing shost->starved_list Andreas Herrmann
2006-08-19 20:30 ` James Bottomley
2006-08-21  7:04   ` Jens Axboe [this message]

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