Re: 2.6.12 is in testing
On Tue, Sep 20, 2005 at 07:50:38AM +1000, Andrew Pollock wrote:
> On Wed, Sep 14, 2005 at 10:53:30AM -0400, Joey Hess wrote:
> >
> > If the kernel team would really like to handle issues like detecting
> > whether an i386 machine running a UP kernel is SMP, I'd be very happy
> > for the code for that to move there. However, I don't think the 1:1
> > subarch mapping you describe actually exists; it's rife with special
> > cases. Colin already designed the code to factor out common information.
> >
>
> I've been meaning to ask why the installer doesn't just boot with an SMP
> kernel to determine how many processors the machine has. Is there a problem
> with running an SMP kernel on a UP machine?
SMP may be broken in some cases, and there is a (upto 20-30 % in some cases i
hear) performance hit to it. Now, with people proposing to run only the SMP
kernels, this may change though. Already powerpc64 is SMP only.
Friendly,
Sven Luther
Reply to: