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From: Dominik Brodowski <linux@dominikbrodowski.net>
To: Yejune Deng <yejune.deng@gmail.com>
Cc: axboe@kernel.dk, hare@suse.de, jack@suse.cz,
	gregkh@linuxfoundation.org, tj@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] init:  fix msleep() is not accurate
Date: Fri, 11 Dec 2020 08:28:32 +0100	[thread overview]
Message-ID: <X9MfoL/GtGJjVj3a@light.dominikbrodowski.net> (raw)
In-Reply-To: <1607657052-17608-1-git-send-email-yejune.deng@gmail.com>

Am Fri, Dec 11, 2020 at 11:24:12AM +0800 schrieb Yejune Deng:
> See Documentation/timers/timers-howto.rst, msleep() is not
> for (1ms - 20ms),use usleep_range() instead.

While technically correct, this branch is only taken if the "rootwait"
kernel parameter is passed -- and as the kernel is looping here, it does not
really hurt if the msleep(5) takes a bit longer than advertised.

Thanks,
	Dominik

      reply	other threads:[~2020-12-11  7:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-11  3:24 Yejune Deng
2020-12-11  7:28 ` Dominik Brodowski [this message]

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