[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Is: cpuid creation of PV guests is not correct. Was:Re: [PATCH v6 00/10] vnuma introduction
On Tue, 2014-07-22 at 15:43 -0400, Konrad Rzeszutek Wilk wrote: > > I.e., no matter how I pin the vcpus, the guest sees the 4 vcpus as if > > they were all SMT siblings, within the same core, sharing all cache > > levels. > > My recollection was that the setting of these CPUID values is > tied in how the toolstack sees it - and since the toolstack > runs in the initial domain - that is where it picks this data up. > > This problem had been discussed by Andrew Cooper at some point > (Hackathon? Emails? IRC?) and moved under the 'fix cpuid creation/parsing'. > > I think that this issue should not affect Elena's patchset - > as the vNUMA is an innocent bystander that gets affected by this. > Agreed. Let's live with the WARN for now or, if that is annoying (e.g. for testing/benchmarking) with whatever (local!) hack one needs. Regards, Dario -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) Attachment:
signature.asc _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |