Re: [PATCH v5 06/27] irq_domain/powerpc: eliminate irq_map; useirq_alloc_desc() instead

[Thomas Gleixner]

On Fri, 6 Apr 2012, Andreas Schwab wrote:

> Thomas Gleixner <tglx@xxxxxxxxxxxxx> writes:
> 
> > And it looks like the irqdomain code is the real culprit.
> >
> > void irq_set_virq_count(unsigned int count)
> > {
> >         pr_debug("irq: Trying to set virq count to %d\n", count);
> >
> >         BUG_ON(count < NUM_ISA_INTERRUPTS);
> >         if (count < NR_IRQS)
> >                 irq_virq_count = count;
> > }
> >
> > That looks simply wrong.....
> 
> There is a single use of irq_set_virq_count, which is only relevant to
> the PS3.

Though irq_virq_count is statically initialized to NR_IRQS and it's
used in the code more than once.

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