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Re: [Xen-devel] AGP problems with 2.0.5

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] AGP problems with 2.0.5
From: Kurt Garloff <kurt@xxxxxxxxxx>
Date: Mon, 14 Mar 2005 13:26:51 +0100
Cc: Xen development list <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
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Hi Keir,

On Mon, Mar 14, 2005 at 09:34:02AM +0000, Keir Fraser wrote:
> I think the correct fix is to extend the Linux interface with something 
> like a io_remap_pfn_range, or an extra 'is_ram' flag to 
> remap_pfn_range. We then already have (almost) an implementation -- we 
> just recycle io_remap_page_range. There are a lot of callers of 
> remap_pfn_range, each would need auditing, and we'd have to try to get 
> the patch checked in even though it only makes sense when running on 
> Xen.

Shouldn't we just use the __sparc__ code path in drm_vm.c:678, then ?

Testing ...

Kurt Garloff                   <kurt@xxxxxxxxxx>             [Koeln, DE]
Physics:Plasma modeling <garloff@xxxxxxxxxxxxxxxxxxx> [TU Eindhoven, NL]
Linux: SUSE Labs (Director)    <garloff@xxxxxxx>            [Novell Inc]

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