linux-kernel - Re: + clocksource-increase-initcall-priority.patch added to -mm tree

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Message-Id: <1160343099.3693.153.camel@c-67-180-230-165.hsd1.ca.comcast.net>
Date:	Sun, 08 Oct 2006 14:31:38 -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-increase-initcall-priority.patch added to -mm
	tree

On Sun, 2006-10-08 at 23:20 +0200, Thomas Gleixner wrote:
> On Sun, 2006-10-08 at 14:15 -0700, Daniel Walker wrote:
> > > 
> > > Which one exactly? I'm not aware of a problem with the existing code at
> > > all.
> > 
> > Clock shuffling.
> 
> What's the problem with that ? It replaces clocks. Where _is_ the
> problem ?

The problem is that it's not optimal to have clocks switching furiously.
This is something John notes as an issue in the unchanged
kernel/time/clocksource.c file.

Daniel


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