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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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