[PATCH] net: core: fix msleep() is not accurate
From: Yejune Deng
Date: Mon Dec 14 2020 - 21:05:58 EST
See Documentation/timers/timers-howto.rst, msleep() is not
for (1ms - 20ms), use usleep_range() instead.
Signed-off-by: Yejune Deng <yejune.deng@xxxxxxxxx>
---
net/core/dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index d33099f..c0aa52f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6726,9 +6726,9 @@ void napi_disable(struct napi_struct *n)
set_bit(NAPI_STATE_DISABLE, &n->state);
while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
- msleep(1);
+ usleep_range(10, 200);
while (test_and_set_bit(NAPI_STATE_NPSVC, &n->state))
- msleep(1);
+ usleep_range(10, 200);
hrtimer_cancel(&n->timer);
--
1.9.1