---

yaml
---
r: 266891
b: refs/heads/master
c: 33136d1
h: refs/heads/master
i:
  266889: 5e9093a
  266887: fcf190f
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e9266a02b7e6542355431955075b4e688962fc0a
+refs/heads/master: 33136d12be00596a8320d4fe88f95c44f67afbdb

trunk/net/core/pktgen.c

@@ -2145,9 +2145,12 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
 	}
 
 	start_time = ktime_now();
-	if (remaining < 100000)
-		ndelay(remaining);	/* really small just spin */
-	else {
+	if (remaining < 100000) {
+		/* for small delays (<100us), just loop until limit is reached */
+		do {
+			end_time = ktime_now();
+		} while (ktime_lt(end_time, spin_until));
+	} else {
 		/* see do_nanosleep */
 		hrtimer_init_sleeper(&t, current);
 		do {
@@ -2162,8 +2165,8 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
 			hrtimer_cancel(&t.timer);
 		} while (t.task && pkt_dev->running && !signal_pending(current));
 		__set_current_state(TASK_RUNNING);
+		end_time = ktime_now();
 	}
-	end_time = ktime_now();
 
 	pkt_dev->idle_acc += ktime_to_ns(ktime_sub(end_time, start_time));
 	pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay);