linux-kernel - Re: [kvm-devel] [PATCH 0/24] paravirt_ops for unified x86

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Message-ID: <473A0870.4070104@goop.org>
Date:	Tue, 13 Nov 2007 12:26:24 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Amit Shah <amit.shah@...ranet.com>
CC:	kvm-devel@...ts.sourceforge.net,
	Glauber de Oliveira Costa <gcosta@...hat.com>,
	linux-kernel@...r.kernel.org, zach@...are.com, lguest@...abs.org,
	ak@...e.de, avi@...ranet.com,
	virtualization@...ts.linux-foundation.org,
	akpm@...ux-foundation.org
Subject: Re: [kvm-devel] [PATCH 0/24] paravirt_ops for unified x86 - that's
 me again!

Amit Shah wrote:
> Glauber, are you planning on consolidating the dma_ops structure for 32- and 
> 64-bit? 32-bit doesn't currently have a dma_mapping_ops structure, which 
> makes paravirtualizing DMA access difficult on 32-bit.


I think it's a good idea.  While I haven't worked out the details yet,
it seems like something I'll need for Xen dom0 support.

    J
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