linux-kernel - Re: [patch] x86_64: fix sched

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Date:	Fri, 25 May 2007 10:55:21 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Satyam Sharma <satyam.sharma@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, akpm@...l.org
Subject: Re: [patch] x86_64: fix sched_clock()


* Andi Kleen <andi@...stfloor.org> wrote:

> > must be an -mm fix. I used -mm as a basis of my work. Please apply 
> > my patch.
> 
> I would prefer to find out why the mm patch was added and then 
> hopefully remove it.  IMNSHO it should not be needed.

it comes in via:

  fix-x86_64-mm-sched-clock-share.patch

 From: Rusty Russell <rusty@...tcorp.com.au>

 If you set tsc_disable (eg "notsc" on cmdline), sched-clock.c gives a
 divide by zero on boot.

so IMNSHO it is very much needed ;-)

	Ingo
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