Re: [Xen-devel] [PATCH] have architectures specify the number of PIRQs a hardware domain gets

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Fri, 2014-12-05 at 14:48 +0000, Jan Beulich wrote:
> >>> On 05.12.14 at 15:27, <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> > On Fri, 2014-12-05 at 13:51 +0000, Jan Beulich wrote:
> >>  #define nr_static_irqs NR_IRQS
> >> +#define arch_hwdom_irqs(domid) NR_IRQS
> > 
> > FWIW gic_number_lines() is the ARM equivalent of getting the number of
> > GSIs.
> > 
> > *BUT* we don't actually use pirqs on ARM (everything goes via the
> > virtualised interrupt controller). So maybe we should be setting
> > nr_pirqs to 0 on ARM. I appreciate you likely want such a patch to come
> > from an ARM person, so I'm fine with you making this NR_IRQS in the
> > meantime.
> 
> Considering Julien also asking for this, I don't mind changing this to
> zero for ARM. Just let me know which way I can get this ack-ed.

If you are happy to provide a version using zero and Julien wants to
provide a tested-by then I'm fine with going that way.

I'm not happy taking that change untested though, and I don't expect you
to test it.

Ian.


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