linux-kernel - Re: [PATCH 2/2] scsi: Use new __dma_buffer to align sense buffer in scsi

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Message-ID: <20071221163550.GA14740@alpha.franken.de>
Date:	Fri, 21 Dec 2007 17:35:50 +0100
From:	tsbogend@...ha.franken.de (Thomas Bogendoerfer)
To:	Matthew Wilcox <matthew@....cx>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>, rdreier@...co.com,
	linux-scsi@...r.kernel.org, rmk@....linux.org.uk,
	davem@...emloft.net, james.bottomley@...eleye.com,
	ralf@...ux-mips.org
Subject: Re: [PATCH 2/2] scsi: Use new __dma_buffer to align sense buffer in scsi_cmnd

On Fri, Dec 21, 2007 at 07:00:25AM -0700, Matthew Wilcox wrote:
> On Fri, Dec 21, 2007 at 02:30:28PM +0100, Thomas Bogendoerfer wrote:
> > there are SCSI host drivers, which also DMA to the sense buffer like
> > sgiwd93.c for example.
> 
> Yes ... and there are others which don't, for example qla2xxx and
> sym53c8xx.

well I don't care which way to go. I'd prefer a pointer to an
allocated sense buffer, but maybe that's just me.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessary a
good idea.                                                [ RFC1925, 2.3 ]
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