Re: [lhcs-devel] Update: Hotplug CPU Patches Split

[<js...@au...>]

> 2) I've remove the CPU_DOWN_PREPARE and hence CPU_DOWN_CANCELLED
>    callbacks: noone actually used it, and it isn't already in the main
>    kernel, unlike the others.

I like all the changes but this one.  Nobody uses it because nobody uses
cpu hotplug.  I think certain kernel modules will want to know if the cpu
is going down before it happens.

If there are objections to it maybe we can just keep it around and add it
later.