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

[Wei Huang <wei.huang2@xxxxxxx>]

On 01/04/2012 01:43 PM, Pasi Kärkkäinen 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 
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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