Re: 2.6.16-rc3-mm1

[Andrew Morton]

Con Kolivas <kernel@xxxxxxxxxxx> wrote:
>
> On Wednesday 15 February 2006 07:28, Andrew Morton wrote:
> > Brice Goglin <Brice.Goglin@xxxxxxxxxxxx> wrote:
> > > Andrew Morton wrote:
> > > >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc3
> > > >/2.6.16-rc3-mm1/
> > >
> > > Hi Andrew,
> > >
> > > WARNING: speedstep-centrino.ko needs unknown symbol cpu_online_map
> > >
> > > This symbol is in include/linux/cpumask.h but actually only defined and
> > > exported in smpboot.c which is not compiled on UP.
> >
> > diff -puN
> > arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c~git-acpi-up-fix-2
> > arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c ---
> > devel/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c~git-acpi-up-fix-2	2
> >006-02-14 12:27:41.000000000 -0800 +++
> > devel-akpm/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c	2006-02-14
> > 12:27:41.000000000 -0800 @@ -654,8 +654,10 @@ static int centrino_target
> > (struct cpufr
> >  		return -EINVAL;
> >  	}
> >
> > +#ifdef CONFIG_SMP
> >  	/* cpufreq holds the hotplug lock, so we are safe from here on */
> >  	cpus_and(online_policy_cpus, cpu_online_map, policy->cpus);
> > +#endif
> 
> Shouldn't the cpu_online_map be hardcoded to the first/only cpu on UP instead?
> 

Probably.  That's just a make-it-build patch.  The ACPI guys will need to
come up with a suitable permanent fix.
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