Messages in this thread | | | Date | Sat, 26 Jan 2013 19:21:15 +0100 | From | Olaf Hering <> | Subject | Re: [PATCH] x86: Hyper-V: register clocksource only if its advertised |
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On Sat, Jan 26, KY Srinivasan wrote:
> > > > -----Original Message----- > > From: Olaf Hering [mailto:olaf@aepfle.de] > > Sent: Friday, January 25, 2013 3:00 PM > > To: KY Srinivasan > > Cc: linux-kernel@vger.kernel.org; Greg KH; Jan Beulich (JBeulich@suse.com) > > Subject: Re: [PATCH] x86: Hyper-V: register clocksource only if its advertised > > > > On Fri, Jan 25, KY Srinivasan wrote: > > > > > Your current approach of using the "Partition Reference Counter" > > > feature bit is very fragile. Let us assume that future Windows guests > > > depend on this feature; Xen would certainly emulate this to have a > > > "good" emulation of Hyper-V and we are back to square one. > > > > If Xen starts to emulate the "Partition Reference Counter" feature, > > wouldnt it also advertise this feature? > > Olaf, did you get a chance to investigate why the viridian bit was set > for the Linux HVM domain.
I dont know, most likely XenServer sets this per default?
> I am thinking of re-sending the patch for delivering the Hyper-V vmbus > on a separate vector without a run-time check. Let me know.
Are you also acking/nacking this patch?
Olaf
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