From: David Woodhouse <dwmw2@infradead.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Dave Airlie <airlied@gmail.com>,
xen-devel@lists.xensource.com,
Zhenyu Wang <zhenyu.z.wang@intel.com>,
Joerg Roedel <joerg.roedel@amd.com>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Keir Fraser <kier.fraser@eu.citrix.com>
Subject: Re: [Xen-devel] Re: [RFC] Make AGP work with IOMMU
Date: Thu, 06 Aug 2009 20:36:21 +0100 [thread overview]
Message-ID: <1249587381.568.58.camel@macbook.infradead.org> (raw)
In-Reply-To: <4A7B2FC6.9070104@goop.org>
On Thu, 2009-08-06 at 12:32 -0700, Jeremy Fitzhardinge wrote:
> On 08/05/09 16:12, Dave Airlie wrote:
> > My main problem with doing this is getting testing coverage on older
> > systems, if we change all the AGP drivers, the time to find we busted
> > something is probably not until the next major distro release with this code
> > in it. So people can run stuff on 5 year old hardware in 6 months? I'm
> > not sure the gains justify the costs, but if you guys really want to do it
> > I'll take the patch, just be prepared to have it ripped out the minute
> > we get a regression we can't figure out because we haven't got the hw anymore.
> >
>
> Can you point to some changesets/patches to act as an example/template
> for the changes needed?
http://git.infradead.org/users/dwmw2/iommu-agp.git/shortlog/ba3139f2577eee24479db73b8dfc7d78eaf4c486
Some of the code added to intel-agp should probably be generic.
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation
prev parent reply other threads:[~2009-08-06 19:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-27 15:04 [RFC] Make AGP work with IOMMU David Woodhouse
2009-07-29 6:28 ` Dave Airlie
2009-07-29 7:15 ` David Woodhouse
2009-07-29 8:43 ` Dave Airlie
2009-07-29 9:01 ` David Woodhouse
2009-07-29 9:36 ` David Woodhouse
2009-08-03 6:50 ` Zhenyu Wang
2009-08-03 8:39 ` David Woodhouse
2009-08-04 23:52 ` [Xen-devel] " Jeremy Fitzhardinge
2009-08-05 6:44 ` David Woodhouse
2009-08-05 6:57 ` Dave Airlie
2009-08-05 7:08 ` David Woodhouse
2009-08-05 18:26 ` Jeremy Fitzhardinge
2009-08-05 23:12 ` Dave Airlie
2009-08-06 19:32 ` Jeremy Fitzhardinge
2009-08-06 19:36 ` David Woodhouse [this message]
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