Messages in this thread | | | Date | Fri, 8 Jan 2010 11:49:36 -0800 | Subject | Re: [PATCH 5/5] x86: update nr_irqs according cpu num | From | Yinghai Lu <> |
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On Fri, Jan 8, 2010 at 11:11 AM, Eric W. Biederman <ebiederm@xmission.com> wrote: > Yinghai Lu <yinghai@kernel.org> writes: > >> that is max number on run time. > > Ouch! Unless I misread this code this will leave nr_irqs at > NR_IRQS_LEGACY. aka 16.
nr_irqs is set to NR_IRQS before.
> > Let's do something stupid and simple. > nr_irqs = nr_cpus_ids * 256; /* Semi-arbitrary number */ > > Ideally we would set "nr_irqs = 0x7fffffff;" but we have just enough > places using nr_irqs that I think those loops would get painful if we > were to do that.
or you need have NR_IRQS = NR_CPUS * 256 at first,
and then make nr_irqs = nr_cpu_ids * 224 ?
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