Messages in this thread | | | Subject | Re: [Xen-devel] Re: [RFC] Make AGP work with IOMMU | From | David Woodhouse <> | Date | Thu, 06 Aug 2009 20:36:21 +0100 |
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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
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