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    [from the cache]
©2003-2011 Jasper Spaans