linux-kernel - Re: When did High-Resolution Timers hit mainline?

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Message-ID: <alpine.LFD.1.10.0806251421580.3297@apollo.tec.linutronix.de>
Date:	Wed, 25 Jun 2008 14:22:32 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Michael Kerrisk <mtk.manpages@...glemail.com>
cc:	Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	john stultz <johnstul@...ibm.com>,
	Bart Van Assche <bart.vanassche@...il.com>
Subject: Re: When did High-Resolution Timers hit mainline?

On Wed, 25 Jun 2008, Michael Kerrisk wrote:
> > Hmm, that's a bit backwards. We changed the internal handling of those
> > interfaces to hrtimers in 2.6.16, but the accuracy is still jiffies
> > unless you have CONFIG_HIGH_RES_TIMERS enabled (which is only possible
> > as of 2.6.21) and your system provides the necessary hardware.
> 
> So then it's simply enough to say:
> 
> Since  Linux  2.6.17,  Linux  optionaly supports  high-resolution  timers
> (configurable via CONFIG_HIGH_RES_TIMERS).
>
> right?

Make this 2.6.21 :)

Thanks,
	tglx
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