linux-kernel - Re: [RFC PATCH] sched: wakeup buddy

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Message-ID: <1362039862.4460.132.camel@marge.simpson.net>
Date:	Thu, 28 Feb 2013 09:24:22 +0100
From:	Mike Galbraith <efault@....de>
To:	Michael Wang <wangyun@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Turner <pjt@...gle.com>, Alex Shi <alex.shi@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ram Pai <linuxram@...ibm.com>,
	"Nikunj A. Dadhania" <nikunj@...ux.vnet.ibm.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: [RFC PATCH] sched: wakeup buddy

On Thu, 2013-02-28 at 16:14 +0800, Michael Wang wrote: 
> On 02/28/2013 04:04 PM, Mike Galbraith wrote:

> > It would be nice if it _were_ a promise, but it is not, it's a hint.
> 
> Bad to know :(
> 
> Should we fix it or this is by designed? The comments after WF_SYNC
> cheated me...

You can't fix it, because it's not busted.  You can say "Ok guys, I'm
off for a nap RSN" all you want, but that won't guarantee that nobody
pokes you, and hands you something more useful to do than snoozing.

-Mike  

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