xen/events: use locked set|clear_bit() for cpu_evtchn_mask

The per-cpu event channel masks can be updated unlocked from multiple CPUs, so use the locked variant. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
git-mirror · Nov 16, 2010 · e041956 · e041956
1 parent 1c6969e
commit e041956
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
@@ -278,8 +278,8 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
 	cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu));
 #endif
 
-	__clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
-	__set_bit(chn, cpu_evtchn_mask(cpu));
+	clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
+	set_bit(chn, cpu_evtchn_mask(cpu));
 
 	irq_info[irq].cpu = cpu;
 }