Re: [Xen-devel] RFC: Still TODO for 4.2?

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Wed, Jan 04, 2012 at 01:57:28PM -0600, Wei Huang wrote:
> On 01/04/2012 01:43 PM, Pasi K?rkk?inen wrote:
> >On Wed, Jan 04, 2012 at 01:21:46PM -0600, Wei Huang wrote:
> >>>>Has anybody got anything else? I'm sure I've missed stuff. Are there any
> >>>>must haves e.g. in the paging/sharing spaces?
> >>>>
> >>>- What's the status of Nested Hardware Virtualization?
> >>>I remember some email saying Intel vmx-on-vmx has some performance 
> >>>issues,
> >>>and amd svm-on-svm works better..
> >>>
> >>>
> >>>- Also there's a bunch of VGA passthru related patches,
> >>>that I once volunteered to collect/rebase/cleanup/repost myself,
> >>>but I still haven't had time for that :(
> >>Since there were quite a lot of interest on this subject, should we
> >>document it in a separate wiki for working combinations (like
> >>hypervisor, dom0, gfx card, driver version, tricks, etc)?
> >>
> >I actually once started writing down that kind of stuff:
> >http://wiki.xen.org/xenwiki/XenVGAPassthroughTestedAdapters.html
> >
> >Feel free to contribute :)
> >
> >There's also:
> >http://wiki.xen.org/xenwiki/XenVGAPassthrough
> Thanks for sharing. I will contribute my findings as needed. BTW, do you 
> need my VBIOS loading patches (sent long time ago) for AMD GPU? It is a 

Yes! Thought I haven't figured out yet how to extract the AMD GPU BIOS
from the card. I've been able to pass in a Radeon 4870 to an Win 7 HVM
guest and it works nicely.. the first time. After I shut down the guest
it just never works again :-(

> dilemma for several reasons:  it doesn't always work; sometimes it can 
> screw up main display while passthru 2nd GPUs. Plus the recent Catalyst 
> driver seems very stable even without these patches. But Wei Wang told 
> me that he needs them for some of his cards.
> >
> >-- Pasi
> >
> >
> 
> 
> 
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