linux-kernel - Re: [PATCH 1/8] posix clocks: introduce a syscall for clock tuning.

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Message-ID: <20100924075534.GB5043@riccoc20.at.omicron.at>
Date:	Fri, 24 Sep 2010 09:55:34 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linux-kernel@...r.kernel.org, John Stultz <johnstul@...ibm.com>,
	Rodolfo Giometti <giometti@...ux.it>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-api@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	Thomas Gleixner <tglx@...utronix.de>, netdev@...r.kernel.org,
	Christoph Lameter <cl@...ux.com>,
	linuxppc-dev@...ts.ozlabs.org, David Miller <davem@...emloft.net>,
	linux-arm-kernel@...ts.infradead.org,
	Krzysztof Halasa <khc@...waw.pl>
Subject: Re: [PATCH 1/8] posix clocks: introduce a syscall for clock tuning.

On Fri, Sep 24, 2010 at 08:03:43AM +1000, Benjamin Herrenschmidt wrote:
> On Thu, 2010-09-23 at 19:31 +0200, Richard Cochran wrote:
> > A new syscall is introduced that allows tuning of a POSIX clock. The
> > syscall is implemented for four architectures: arm, blackfin, powerpc,
> > and x86.
> > 
> > The new syscall, clock_adjtime, takes two parameters, the clock ID,
> > and a pointer to a struct timex. The semantics of the timex struct
> > have been expanded by one additional mode flag, which allows an
> > absolute offset correction. When specificied, the clock offset is
> > immediately corrected by adding the given time value to the current
> > time value.
> 
> Any reason why you CC'ed device-tree discuss ?
> 
> This list is getting way too much unrelated stuff, which I find
> annoying, it would be nice if we were all a bit more careful here with
> our CC lists.

Sorry, I only added device-tree because some one asked me to do so.

    http://marc.info/?l=linux-netdev&m=127273157912358

I'll leave it off next time.

Thanks,
Richard
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