Andi Kleen wrote:
quoted text
> Topology is dependent on the number of CPUs.

Not all of it.


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> Hot plugging is a completely orthogonal problem. Even your original
> proposal wouldn't address it.

Nonsense.  Reading /proc/cpuinfo or /sys/devices/system/cpu reflects the
current CPU count.  The information read would (and is not) cached, it's
re-read every time.  We might add very limited caching (for a few
seconds) but that's as much as we can go.

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