linux-kernel - Re: + clocksource-add-generic-sched

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Message-Id: <1160342108.3693.144.camel@c-67-180-230-165.hsd1.ca.comcast.net>
Date:	Sun, 08 Oct 2006 14:15:07 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	tglx@...utronix.de
Cc:	akpm@...l.org, johnstul@...ibm.com, mingo@...e.hu,
	zippel@...ux-m68k.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: + clocksource-add-generic-sched_clock.patch added to -mm tree

On Sun, 2006-10-08 at 20:45 +0200, Thomas Gleixner wrote:

> > I'm not moving the kernel/timer.c clocksource user back into
> > kernel/time/clocksource.c . That code completely belongs with the
> > generic time of day changes. The code is directly coupled, and in fact
> > it improves the timekeeping clock switching code to have it that way.
> 
> I don't see any reason, why it must be added to timer.c. You can achieve
> the same result with calling the code outside, except that the compiler
> might miss some inline optimization. The switch clock code is not a
> hotpath and so it does not matter whether it is called here or there.

It wouldn't be as clean to integrate the two. The hotpath is improved
(which is what I was referring too above.)

Daniel

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