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



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.

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