linux-kernel - Re: [PATCH] timers: fix TIMER_ABSTIME for process wide cpu timers

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Message-ID: <20090211125240.GJ16535@elte.hu>
Date:	Wed, 11 Feb 2009 13:52:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Mike Galbraith <efault@....de>, Oleg Nesterov <oleg@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Michael Kerrisk <mtk.manpages@...glemail.com>
Subject: Re: [PATCH] timers: fix TIMER_ABSTIME for process wide cpu timers


* Peter Zijlstra <peterz@...radead.org> wrote:

> While going through the man-pages Michael prepared for the posix timer
> interface I realized that posix timers do expose the absolute time value
> through the use of TIMER_ABSTIME.
> 
> ---
> Subject: timers: fix TIMER_ABSTIME for process wide cpu timers
> From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Date: Wed Feb 11 11:30:27 CET 2009
> 
> The POSIX timer interface allows for absolute time expiry values through the
> TIMER_ABSTIME flag, therefore we have to synchronize the timer to the clock
> every time we start it.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

Applied to tip:timers/urgent, thanks Peter!

	Ingo
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