[libvirt] [PATCHv3 1/4] nodeinfo: enable nodeGetCPUCount for older kernels

Viktor Mihajlovski mihajlov at linux.vnet.ibm.com
Thu Nov 15 09:14:30 UTC 2012

On 11/15/2012 04:43 AM, Eric Blake wrote:
> The assumption here is that any kernel lacking cpu/present also lacks
> hotplug, and therefore the cpuNN will be consecutive and we aren't going
> to miss anything.  You removed that assumption from the comment, but I
> think it is important to leave in.
> ACK.  I'm firing up my RHEL 5 VM to test this before I push with this
> comment change, but it looks sane.

FWIW: I also run a 64-bit CentOS 5.8 and it supports hotplugging
despite the lack of cpu/present. Only cpu/cpu0 cannot be
hotplugged (no cpu/cpu0/online pseudofile).
Still the cpu/cpuNN directories are consecutive as they are present
even if the respective CPUs are offline.


Mit freundlichen Grüßen/Kind Regards
    Viktor Mihajlovski

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