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    SubjectRe: [PATCH 4/5] x86: Add config variables for SMP_MAX
    Ingo Molnar wrote:
    > * <> wrote:
    >> Adds and increases some config variables to accomodate larger SMP
    >> configurations:
    >> NR_CPUS: max limit now 4096
    >> NODES_SHIFT: max limit now 9
    >> THREAD_ORDER: max limit now 3
    >> X86_SMP_MAX: say Y to enable possible cpus == NR_CPUS
    >> Signed-off-by: Mike Travis <>
    > i've bisected a boot failure down to this patch (sans the THREAD_ORDER
    > bits): it causes an instant reboot of the 64-bit kernel upon bootup.
    > Failing config attached.
    > Ingo

    Thanks Ingo!

    I've pulled the THREAD_ORDER change from my next version of the patch.
    Seems SMP_MAX is just not ready for prime time yet.

    One problem that I'm having appears to be that the !NUMA config of the
    current -mm version also doesn't boot so I haven't been able to verify
    that. (At least it doesn't seem to make it worse... ;-)


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      Last update: 2008-01-19 22:41    [W:0.020 / U:15.460 seconds]
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