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SubjectRe: Hotplug CPU Boot Changes: BEWARE

> > In writing the hotplug CPU stuff, Linus asked me to alter the
> > boot sequence to "plug in" CPUs. I am shortly going to be sending
> > these patches to him now I have got my x86 box to boot with the
> > changes.
> If to the general SMP case is added the ability to dynamically enable
> and disable cpus at runtime, this infrastructure work appears to have
> general applicability now. Allowing for example dynamic
> enable/disable of HT on P4-Xeons at runtime for example.

Well, this way we can get suspend-to-{RAM,disk} for SMP... Offline all
other CPUS, do suspend, put them back online.
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at

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