[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Bisected Xen-unstable: "Segment register inaccessible for d1v0" when starting HVM guest on intel
> -----Original Message----- > From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx] > Sent: Tuesday, July 08, 2014 4:49 AM > To: Wu, Feng > Cc: Jan Beulich; Andrew Cooper; xen-devel@xxxxxxxxxxxxxxxxxxxx; Sander > Eikelenboom > Subject: Re: [Xen-devel] Bisected Xen-unstable: "Segment register inaccessible > for d1v0" when starting HVM guest on intel > > On Fri, Jul 04, 2014 at 09:08:28AM +0000, Wu, Feng wrote: > > > > > > > -----Original Message----- > > > From: Jan Beulich [mailto:JBeulich@xxxxxxxx] > > > Sent: Friday, July 04, 2014 5:04 PM > > > To: Wu, Feng > > > Cc: Andrew Cooper; Sander Eikelenboom; xen-devel@xxxxxxxxxxxxxxxxxxxx > > > Subject: RE: Bisected Xen-unstable: "Segment register inaccessible for > d1v0" > > > when starting HVM guest on intel > > > > > > >>> On 04.07.14 at 10:54, <feng.wu@xxxxxxxxx> wrote: > > > > BTW, there is another question. I grep > > > > 'VCPUOP_register_vcpu_time_memory_area' > > > > in the latest branch of Linux kernel code, but I find nothing about it. > > > > Do > > > > you know how > > > > it is used by guests? Or this hypercall is being provided by Xen, but > > > > Linux > > > > hasn't used it yet? > > > > > > Iirc there had been a use of it a long time ago (around Xen 4.0) in > > > experimental patches (or maybe in Jeremy's tree), but the Xen side > > > implementation was buggy and didn't get fixed until 4.3. And the > > > user mode pv-clock implementation for pv-ops Xen is still undone. > > > > I got it, oh, I also find some informal patches about this on the Internet > > just > now. > > I hope to have them implemented in two weeks time. Will CC you on them > so you can test it out. Thanks for that! > > > Thanks a lot for your clarification! > > > > Thanks, > > Feng > > > > > > > > Jan > > > > > > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxx > > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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