On Thu, Nov 02, 2006 at 10:34:13AM -0800, Tim Chen wrote:
> On Thu, 2006-11-02 at 11:33 -0700, Eric W. Biederman wrote:
>
> > My only partial guess is that it might be worth adding the per cpu
> > variables my patch adds without any of the corresponding code changes.
> > And see if adding variables to the per cpu area is what is causing the
> > change.
> >
> > The two tests I can see in this line are:
> > - to add the percpu vector_irq variable.
> > - to increase NR_IRQs.
>
> Increasing the NR_IRQs resulted in the regression.
>...
What's your CONFIG_NR_CPUS setting that you are seeing such a big
regression?
> Tim
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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