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From: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
To: "Langsdorf, Mark" <mark.langsdorf@amd.com>,
	xen-devel@lists.xensource.com
Cc: Jan Beulich <jbeulich@novell.com>
Subject: Re: [PATCH] Use lib/swiotlb code for x86_64 SWIOTLB
Date: Fri, 16 Feb 2007 00:00:20 +0000	[thread overview]
Message-ID: <C1FAA494.20DC%Keir.Fraser@cl.cam.ac.uk> (raw)
In-Reply-To: <1449F58C868D8D4E9C72945771150BDFD9660C@SAUSEXMB1.amd.com>

On 15/2/07 22:59, "Langsdorf, Mark" <mark.langsdorf@amd.com> wrote:

> As part of my efforts to enable GART/IOMMU on x86_64,
> I switch from using arch/i386/swiotlb-xen.c for the
> SWIOTLB implementation to lib/swiotlb-xen.c for x86_64
> processors.
> 
> After this patch is accepted, I'll submit the patch to
> enable the GART/IOMMU.
> 
> Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>

Jan has been through the swiotlb code recently so may have an opinion on
this patch. Using the common swiotlb code (as far as possible) for x86/64
may make sense -- many of the nasty differences in our own swiotlb
implementation are to deal with CONFIG_HIGHMEM which does not exist on
x86/64.

 -- Keir

  reply	other threads:[~2007-02-16  0:00 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-15 22:59 [PATCH] Use lib/swiotlb code for x86_64 SWIOTLB Langsdorf, Mark
2007-02-16  0:00 ` Keir Fraser [this message]
2007-02-16  8:39   ` Jan Beulich
2007-02-22  0:09     ` Langsdorf, Mark
2007-02-22 10:24       ` Jan Beulich

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