Re: [PATCH 5/5] x86: update nr_irqs according cpu num

[Yinghai Lu]

On Fri, Jan 8, 2010 at 11:11 AM, Eric W. Biederman
<ebiederm@xxxxxxxxxxxx> wrote:
> Yinghai Lu <yinghai@xxxxxxxxxx> 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 ?

YH
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