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From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Daniel Walker <dwalker@mvista.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [git pull] scheduler updates for v2.6.27, phase #2
Date: Thu, 24 Jul 2008 13:24:12 +0200	[thread overview]
Message-ID: <20080724112412.GA12465@elte.hu> (raw)
In-Reply-To: <1216896193.7257.267.camel@twins>


* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> On Mon, 2008-07-21 at 13:16 -0700, Daniel Walker wrote:
> > On Mon, 2008-07-21 at 21:23 +0200, Peter Zijlstra wrote:
> > 
> > > Does this work for you?
> > > 
> > 
> > Yours removed the warning .. I made an alternate one below only compile
> > tested, your choice..
> 
> How about this one - it seems there is a whole scala of new division
> instructions these days... :-)
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> 
> 
> diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
> index 47ceac9..3c38686 100644
> --- a/kernel/sched_rt.c
> +++ b/kernel/sched_rt.c
> @@ -253,7 +253,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq)
>  
>  		diff = iter->rt_runtime - iter->rt_time;
>  		if (diff > 0) {
> -			do_div(diff, weight);
> +			diff = div_u64((u64)diff, weight);

/me likes.

applied to tip/sched/urgent, thanks guys.

	Ingo

  parent reply	other threads:[~2008-07-24 11:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-21 15:38 [git pull] scheduler updates for v2.6.27, phase #2 Ingo Molnar
2008-07-21 16:31 ` Daniel Walker
2008-07-21 19:23   ` Peter Zijlstra
2008-07-21 20:16     ` Daniel Walker
2008-07-24 10:43       ` Peter Zijlstra
2008-07-24 11:09         ` Andrew Morton
2008-07-24 11:15           ` Peter Zijlstra
2008-07-24 11:24         ` Ingo Molnar [this message]
2008-07-24 19:12           ` Daniel Walker

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