From: Ingo Molnar <mingo@elte.hu>
To: Jonathan Corbet <corbet@lwn.net>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
akpm@linux-foundation.org, Roman Zippel <zippel@linux-m68k.org>
Subject: Re: [PATCH] msleep() with hrtimers
Date: Fri, 3 Aug 2007 20:54:29 +0200 [thread overview]
Message-ID: <20070803185429.GA20580@elte.hu> (raw)
In-Reply-To: <15327.1186166232@lwn.net>
* Jonathan Corbet <corbet@lwn.net> wrote:
> Use hrtimers so that msleep() sleeps for the requested time
>
> Current msleep() snoozes for at least two jiffies, causing msleep(1)
> to sleep for at least 20ms on HZ=100 systems. Using hrtimers allows
> msleep() to sleep for something much closer to the requested time.
>
> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
still looks good to me.
Acked-by: Ingo Molnar <mingo@elte.hu>
Ingo
next prev parent reply other threads:[~2007-08-03 18:54 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-03 18:37 [PATCH] msleep() with hrtimers Jonathan Corbet
2007-08-03 18:54 ` Ingo Molnar [this message]
2007-08-03 19:19 ` Roman Zippel
2007-08-03 19:46 ` Arjan van de Ven
2007-08-03 19:58 ` Roman Zippel
2007-08-03 23:53 ` Arjan van de Ven
2007-08-04 3:00 ` Roman Zippel
2007-08-04 19:19 ` Arjan van de Ven
2007-08-06 0:09 ` Roman Zippel
2007-08-06 0:43 ` Arjan van de Ven
2007-08-06 1:03 ` Roman Zippel
2007-08-06 5:39 ` Arjan van de Ven
2007-08-06 10:03 ` Roman Zippel
2007-08-06 10:20 ` Manu Abraham
2007-08-06 15:53 ` Arjan van de Ven
2007-08-07 10:40 ` Manu Abraham
2007-08-07 12:45 ` Roman Zippel
2007-08-08 4:15 ` Arjan van de Ven
2007-08-09 19:31 ` Denis Vlasenko
2007-08-09 20:01 ` Denis Vlasenko
2007-08-07 19:40 ` Andrew Morton
2007-08-07 23:16 ` Roman Zippel
2007-08-07 23:29 ` Andrew Morton
2007-08-08 3:47 ` Roman Zippel
2007-08-08 4:14 ` Andrew Morton
2007-08-09 22:31 ` Roman Zippel
2007-08-08 11:55 ` Andi Kleen
2007-08-08 11:09 ` Manu Abraham
2007-08-08 11:52 ` Andi Kleen
2007-08-08 11:59 ` Manu Abraham
2007-08-09 7:16 ` Andrew Morton
2007-08-09 15:08 ` [linux-usb-devel] " Alan Stern
2007-11-28 10:29 ` Andrew Morton
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