Messages in this thread | | | Date | Thu, 30 Jun 2011 08:13:21 -0700 | From | Mark Brown <> | Subject | Re: [PATCH] asm-generic: Raise default NR_IRQS when using sparse IRQs |
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On Thu, Jun 30, 2011 at 09:27:20AM +0200, Thomas Gleixner wrote: > On Wed, 29 Jun 2011, Mark Brown wrote:
> > Rather than have each platform using sparse IRQs pick a suitably large > > NR_IRQS for use with sparse IRQs make the default high when they are > > enabled. We pick 64k as there is still a bitmap of IRQs that is > > allocated statically, and as we all know 64k should be enough for > > anyone.
> The sparse bitmap is overallocated to NR_IRQS + 8k anyway, so that's > rather pointless.
Hrm, OK. In that case why are platforms faffing around trying to size NR_IRQs in the first place?
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