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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

  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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