linux-kernel - Re: dma_mapping

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Message-ID: <468270F5.7040408@goop.org>
Date:	Wed, 27 Jun 2007 10:15:17 -0400
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@...e.de>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jan Beulich <jbeulich@...ell.com>,
	Tony Luck <tony.luck@...el.com>,
	Muli Ben-Yehuda <muli@...ibm.com>
Subject: Re: dma_mapping_ops for i386

Andi Kleen wrote:
> Ok, if you can do it without ifdefs. 
>   

That should be OK.  All the existing i386 mapping operations would just 
have their own ops structure, right?

> And no swiotlb on i386; that is something that is completely broken
> in upstream Xen and needs to be fixed properly anyways.
>   

Hm, OK.  I'm not really familiar with the issues here.  What are they?  
Looks like Jan has made a number of Xen-ish changes to lib/swiotlb.c; 
are more changes be needed?

    J
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