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From: Arnd Bergmann <arnd@arndb.de>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@tglx.de,
	torvalds@linux-foundation.org
Subject: Re: [PATCH 4/5] select: make select() use schedule_hrtimeout()
Date: Fri, 29 Aug 2008 17:36:08 +0200	[thread overview]
Message-ID: <200808291736.09400.arnd@arndb.de> (raw)
In-Reply-To: <20080829080809.0e42a323@infradead.org>

On Friday 29 August 2008, Arjan van de Ven wrote:
> This is only done for delays shorter than 1 second; currently
> the assumption is that longer delays have no desire to get the
> higher accuracy.

What is the tradeoff here? Where is the advantage in using the
traditional timer interface for longer timeouts?

	Arnd <><

  reply	other threads:[~2008-08-29 15:36 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-29 15:05 [patch 0/5] Nano/Microsecond resolution for select() and poll() Arjan van de Ven
2008-08-29 15:06 ` [PATCH 1/5] select: add a timespec version of the timeout to select/poll Arjan van de Ven
2008-08-30  2:10   ` Andrew Morton
2008-08-30  2:54     ` Linus Torvalds
2008-08-29 15:07 ` [PATCH 2/5] select: return accurate remainer in select() and ppoll() Arjan van de Ven
2008-08-29 15:07 ` [PATCH 3/5] select: introduce a schedule_hrtimeout() function Arjan van de Ven
2008-08-29 15:08 ` [PATCH 4/5] select: make select() use schedule_hrtimeout() Arjan van de Ven
2008-08-29 15:36   ` Arnd Bergmann [this message]
2008-08-29 15:59   ` Daniel Walker
2008-08-29 16:20   ` Linus Torvalds
2008-08-29 16:11     ` Alan Cox
2008-08-29 17:26       ` Linus Torvalds
2008-08-29 17:42         ` Arjan van de Ven
2008-08-29 18:18         ` Alan Cox
2008-08-29 18:46           ` Linus Torvalds
2008-08-29 18:33             ` Alan Cox
2008-08-30 15:25               ` Arjan van de Ven
2008-08-29 16:30     ` Arjan van de Ven
2008-08-29 15:08 ` [PATCH 5/5] select: make poll() use schedule_hrtimeout() as well Arjan van de Ven
2008-08-29 15:54 ` [patch 0/5] Nano/Microsecond resolution for select() and poll() Arnd Bergmann
2008-08-29 16:12   ` Arjan van de Ven
2008-08-29 22:15 ` Brian Wellington

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