xen: events: do not workaround too-small nr_irqs

With the introduction of e7bcecb7b1d2 "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>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 6782251e4029..7c3668960c75 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -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");