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Date: Tue, 15 Dec 2020 10:04:25 +0800 From: Yejune Deng <yejune.deng@...il.com> To: davem@...emloft.net, kuba@...nel.org, ast@...nel.org, andriin@...com, jiri@...lanox.com, edumazet@...gle.com, ap420073@...il.com, bjorn.topel@...el.com Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, yejune.deng@...il.com Subject: [PATCH] net: core: fix msleep() is not accurate See Documentation/timers/timers-howto.rst, msleep() is not for (1ms - 20ms), use usleep_range() instead. Signed-off-by: Yejune Deng <yejune.deng@...il.com> --- 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
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