net: thunderx: Use napi_schedule_irqoff()

napi_schedule is being called from hard irq context, hence
switch to napi_schedule_irqoff which avoids unneeded call
to local_irq_save and local_irq_restore.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from linux-next commit ef0a4d86)
Signed-off-by: Dann Frazier <dann.frazier@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

drivers/net/ethernet/cavium/thunder/nicvf_main.c

@@ -828,7 +828,7 @@ static irqreturn_t nicvf_intr_handler(int irq, void *cq_irq)
 	nicvf_disable_intr(nic, NICVF_INTR_CQ, qidx);
 
 	/* Schedule NAPI */
-	napi_schedule(&cq_poll->napi);
+	napi_schedule_irqoff(&cq_poll->napi);
 
 	/* Clear interrupt */
 	nicvf_clear_intr(nic, NICVF_INTR_CQ, qidx);