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    SubjectRe: [patch x86/core] x86: allow number of additional hotplug CPUs to be set at compile time
    On Thu, 02 Oct 2008 11:12:51 +0200
    Andi Kleen <> wrote:

    > Chuck Ebbert <> writes:
    > > The default number of additional CPU IDs for hotplugging is determined
    > > by asking ACPI or mptables how many "disabled" CPUs there are in the
    > > system, but many systems get this wrong so that e.g. a uniprocessor
    > > machine gets an extra CPU allocated and never switches to single CPU
    > > mode.
    > You can set this with additional_cpus=... at boot time.
    > I don't think each runtime option needs a CONFIG option too.

    Well not all of them, but this one is a good candidate. Either that or
    we should just change the default to zero.

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      Last update: 2008-10-02 21:29    [W:0.021 / U:9.148 seconds]
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