linux-kernel - Re: [git pull] scheduler updates for v2.6.27, phase #2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080724112412.GA12465@elte.hu>
Date:	Thu, 24 Jul 2008 13:24:12 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Daniel Walker <dwalker@...sta.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [git pull] scheduler updates for v2.6.27, phase #2


* Peter Zijlstra <a.p.zijlstra@...llo.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@...llo.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/