linux-kernel - Re: [PATCH for -tip] x86, mce: use round_jiffies() instead round_jiffies

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Date:	Wed, 11 Mar 2009 11:28:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: [PATCH for -tip] x86, mce: use round_jiffies() instead
	round_jiffies_relative()


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

> On Wed, Mar 11, 2009 at 10:14:26AM +0900, KOSAKI Motohiro wrote:
> > Impact: saving power _very_ little
> > 
> > round_jiffies() round up absolute jiffies to full second.
> > round_jiffies_relative() round up relative jiffies to full second.
> > 
> > The "t->expires" is absolute jiffies. Then, round_jiffies() should be
> > used instead round_jiffies_relative().
> 
> Thanks. I have a rewrite of this code pending. I added it to 
> this.

It's already queued up in tip:x86/mce2.

	Ingo
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