Robert Watson wrote:
On Mon, 3 Mar 2008, Maxim Sobolev wrote:
Cool! I am just curious if the new topology code is flexible enough
to support cores that come and go on the fly? This could be useful in
several scenarios, such as for example when running under multi-core
aware hypervisor (e.g. Niagara), in the cases when pro-active power
manager shuts down some cores to conserve power, in server
applications when one of CPUs either has fried or has been unplugged,
etc.
We have quite a bit of kernel code that expects CPUs never come and
go; I've been hoping to interest people in having a devsummit session
on CPU hotplugging for a couple of years now. :-)
Grid computing is an other immediate application (depending on how
tightly coupled the nodes are of course)
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