linux-kernel - Re: [PATCH] limit recursion when flushing shost->starved

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Message-Id: <1156019429.3726.18.camel@mulgrave.il.steeleye.com>
Date:	Sat, 19 Aug 2006 13:30:29 -0700
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Andreas Herrmann <aherrman@...ibm.com>
Cc:	Jens Axboe <axboe@...e.de>, James Bottomley <jejb@...elEye.com>,
	Linux SCSI <linux-scsi@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] limit recursion when flushing shost->starved_list

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.

James


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