linux-kernel - Re: [PATCH 2/6] lguest tsc fix

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Message-ID: <20070605181510.GA7782@muc.de>
Date:	Tue, 5 Jun 2007 20:15:10 +0200
From:	Andi Kleen <ak@....de>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/6] lguest tsc fix

On Wed, Jun 06, 2007 at 12:56:36AM +1000, Rusty Russell wrote:
> In recent -mm kernels, the TSC capability cannot be disabled,
> resulting in a divide by zero error in the normal sched_clock.

That will hopefully change. I hope hpa will just undo this.

> 
> The correct fix is to have a special lguest sched_clock
> implementation: this is as simple as it gets.

But gettimeofday might still use it. Is that ok for you?

-Andi
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