On Mon, 21 Feb 2011, Lars-Peter Clausen wrote:
> On 02/19/2011 08:07 PM, Yinghai Lu wrote:
> > On 02/19/2011 04:15 AM, tip-bot for Thomas Gleixner wrote:
> > - if (start >= nr_irqs) {
> > + if (start + cnt > nr_irqs) {
> > ret = irq_expand_nr_irqs(cnt);
> Just a minor thing, but if there are still unused irqs available at the end of
> the current range, you'll end up expanding the range more then you need to.
> So either do
> irq_expand_nr_irqs(nr_irqs - start + cnt);
> or change irq_expand_nr_irqs to let it take the new total number of irqs.
Fun, I already changed YH's patch in that way :)
> Btw., with this patch in place does it make sense to initialize nr_irqs to
> anything else then initcnt in early_irq_init?
Probably not.
Thanks,
tglx
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