lkml.org 
[lkml]   [2008]   [Oct]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    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 <andi@firstfloor.org> wrote:

    > Chuck Ebbert <cebbert@redhat.com> 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.


    \
     
     \ /
      Last update: 2008-10-02 21:29    [W:0.021 / U:9.148 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site