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xen: events: do not workaround too-small nr_irqs 

With the introduction of e7bcecb7b1 "genirq: Make nr_irqs runtime expandable"
nr_irqs can grow as necessary to accommodate our allocation requests.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Ian Campbell 2011-03-10 16:08:14 +00:00 committed by Konrad Rzeszutek Wilk
parent 69c358ce37
commit 6cb9bf3aaf
1 changed files with 0 additions and 7 deletions
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7
drivers/xen/events.c
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@ -423,15 +423,8 @@ static int xen_allocate_irq_dynamic(void)
first = get_nr_irqs_gsi();
#endif
retry:
irq = irq_alloc_desc_from(first, -1);
if (irq == -ENOMEM && first > NR_IRQS_LEGACY) {
printk(KERN_ERR "Out of dynamic IRQ space and eating into GSI space. You should increase nr_irqs\n");
first = max(NR_IRQS_LEGACY, first - NR_IRQS_LEGACY);
goto retry;
}
if (irq < 0)
panic("No available IRQ to bind to: increase nr_irqs!\n");