linux-kernel - Re: [IA64] swiotlb abstraction (e.g. for Xen)

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Date:	Tue, 13 Feb 2007 08:53:41 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Jan Beulich <jbeulich@...ell.com>
Cc:	Christoph Hellwig <hch@....de>, tony.luck@...el.com,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [IA64] swiotlb abstraction (e.g. for Xen)

On Tue, 2007-02-13 at 07:27 +0000, Jan Beulich wrote:
> >>> Christoph Hellwig <hch@....de> 12.02.07 18:12 >>>
> >On Mon, Feb 12, 2007 at 07:30:55AM +0000, Jan Beulich wrote:
> >> 
> >> As the topic says - the goal is to support Xen. But yes, I was afraid someone would
> >> claim this make the code look ugly. And no, I currently don't have ideas to address
> >> any of your comments without breaking functionality on Xen...
> >
> >We don't have Xen merged, and it doesn't look like we're going to get it
> >soon.  Also the code is only for dom0 which will take even longer.
> >At this point I'm pretty sure the code is cleaner, simpler and easier to
> >maintain if you just split out a xendom0swiotlb instead of messing up
> >the existing code.
> 
> We have such a file, and the purpose of the patch was to get rid of it.


but the result is butt-ugly... please don't do that... that code is..
interesting enough already without all the junk added to it

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