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SubjectRe: [patch 2/4] CPU hot-plug support for x86_64

On Monday, 23 of May 2005 18:38, Andi Kleen wrote:
> On Fri, May 20, 2005 at 03:16:24PM -0700, Ashok Raj wrote:
> > Experimental CPU hotplug patch for x86_64
> > -----------------------------------------
> > - Most of init code that needs to be there for hotplug marked now as __devinit
> > (Didn't use cpuinit, simply because the main framework code in kernel
> > is not the same way, just trying to be consistent)
> I dont like that. Can you keep it as __cpuinit please? e.g.
> if cpuhot plug turns out to be a lot of code we could later
> mark it free when we detect at boot the system does not support
> cpu hotplug. With devinit that is pretty much impossible these days.

Please note that CPU hotplug will be necessary for swsusp on SMP systems
(e.g. dual-core). It seems that currently __cpuinit <=> __init, so it's not
quite suitable for this purpose.


- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"
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