From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Huang Subject: Re: RFC: Still TODO for 4.2? Date: Wed, 4 Jan 2012 13:57:28 -0600 Message-ID: <4F04AF28.8040102@amd.com> References: <1325694562.25206.304.camel@zakaz.uk.xensource.com> <20120104172519.GS12984@reaktio.net> <4F04A6CA.3010907@amd.com> <20120104194343.GT12984@reaktio.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20120104194343.GT12984@reaktio.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: =?ISO-8859-1?Q?Pasi_K=E4rkk=E4inen?= Cc: xen-devel , Keir Fraser , Ian Campbell , Tim Deegan , Ian Jackson , Stefano Stabellini , Jan Beulich List-Id: xen-devel@lists.xenproject.org On 01/04/2012 01:43 PM, Pasi K=E4rkk=E4inen 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 a= ny >>>> 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 issu= es, >>> 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 > >