[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: max vcpus in dom0
On Tue, 27 Apr 2010 09:23:19 +0100 "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > >>> Mukesh Rathor 04/27/10 4:20 AM >>> > >Looking at a bug where dom0 is crashing coming up with more than 32 > >vcpus, the problem happens trying to initialize 32nd vcpu. I see > >the shared info is limited to 32vcpus, implying we'd have a hard > >limit of 32 vcpus in dom0, correct? > > That's the legacy limit, yes. Any attempt to go beyond 32 CPUs > requires the kernel to use the per-vCPU-info-placement hypercall > prior to bringing up those vCPU-s. > > Jan Hi Jan, Yes, I found your patch searching xen-devel implementing VCPUOP_register_vcpu_info after I posted my msg. However, I don't find any kernel using this other than pv-ops kernel. So I assume this is work in progress. If you already have a patch for 2.6.18-xxx, please let me know, if not, I'll work on it. thanks, Mukesh _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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