linux-kernel - Re: SCSI breakage on non-cache coherent architectures

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Date:	Tue, 20 Nov 2007 13:35:23 -0600
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	benh@...nel.crashing.org
Cc:	David Miller <davem@...emloft.net>,
	Roland Dreier <rdreier@...co.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	rmk@....linux.org.uk
Subject: Re: SCSI breakage on non-cache coherent architectures


On Tue, 2007-11-20 at 14:14 +1100, Benjamin Herrenschmidt wrote:
> FYI, Here's what I have for the SCSI change. I haven't updated drivers
> to care for the new return code though, help appreciated with that as I
> don't know much about these drivers.

It looks to me like the return problem could be solved by passing in the
buffer to be used for sense; that way we can allocate it in hostdata at
init time for all the drivers and scsi_error can allocate and free a
page using GFP_KERNEL.

James


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