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-rw-r--r--hw/intc/arm_gic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index d71aeb8a2a..13e297d52e 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -254,9 +254,9 @@ static void gic_activate_irq(GICState *s, int cpu, int irq)
     int bitno = preemption_level % 32;
 
     if (gic_has_groups(s) && GIC_TEST_GROUP(irq, (1 << cpu))) {
-        s->nsapr[regno][cpu] &= (1 << bitno);
+        s->nsapr[regno][cpu] |= (1 << bitno);
     } else {
-        s->apr[regno][cpu] &= (1 << bitno);
+        s->apr[regno][cpu] |= (1 << bitno);
     }
 
     s->running_priority[cpu] = prio;