* Mike Travis <travis@sgi.com> wrote:

quoted text
> Ingo Molnar wrote:
> > * Mike Travis <travis@sgi.com> wrote:
> > 
> >> Move the setting of nr_cpu_ids from sched_init() to 
> >> setup_per_cpu_areas(), so that it's available as early as possible.
> > 
> > hm, why not a separate call before setup_per_cpu_areas(), so that we can 
> > avoid spreading this from generic kernel into a bunch of architectures 
> > that happen to have their own version of setup_per_cpu_areas():
> > 
> >>  7 files changed, 43 insertions(+), 15 deletions(-)
> > 
> > 	Ingo
> 
> I had this before but I then discovered that an arch would increase 
> (and possible decrease) it's number of possible cpus in 
> setup_per_cpu_areas(). So I figured that setting nr_cpu_ids (and the 
> cpumask_of_cpu map) should be a side effect of setup_per_cpu_areas().

well, then why not do it shortly after setup_per_cpu_areas()? That still 
moves it earlier than sched_init() but doesnt export all this code and 
complexity toevery setup_per_cpu_areas() implementation. (which clearly 
didnt need this complexity before)

	Ingo
--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/