Messages in this thread | | | Date | Thu, 13 Nov 2008 16:20:57 -0800 | From | Mike Travis <> | Subject | Re: [PATCH] sparse_irq aka dyn_irq v13 |
| |
Yinghai Lu wrote: > Mike Travis wrote: >> Andrew Morton wrote: >>> On Thu, 13 Nov 2008 14:41:36 -0800 >>> Yinghai Lu <yinghai@kernel.org> wrote: >>> >> That's a good question. If there are 4k or 16k cpus, would the number of >> irq's being "kstat'd" need to be > 64k? (I'm not exactly sure why there >> are NR_CPUS * NR_IRQS_LEGACY kstat entries per IRQ?) > > can be replaced with nr_cpu_ids * NR_IRQS_LEGACY... > > YH
Ok, but why does each irq need a list of all other irq's in the system? Can they be collapsed into one array or percpu list?
Thanks, Mike
| |