Re: Latest microcode data from Intel.

From: Anton Blanchard
Date: Fri Sep 10 2004 - 11:54:19 EST



> CPU hotplug? Is there such a thing as _working_ CPU hotplug support in
> Linux? (or any hardware that can actually allow unplugging/plugging CPUs?)

Sure, on ppc64 we move CPUs between partitions on the fly and use
hotplug cpu tricks with POWER5 threads to switch between single
threaded mode and SMT mode while the OS is running.

Anton
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