linux-kernel - Re: [revert] mysql+oltp regression

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Message-ID: <20080811131400.GA909@elte.hu>
Date:	Mon, 11 Aug 2008 15:14:00 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Gregory Haskins <ghaskins@...ell.com>
Cc:	Mike Galbraith <efault@....de>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [revert] mysql+oltp regression


* Gregory Haskins <ghaskins@...ell.com> wrote:

>>> Speaking of this: Another patch I submitted to you Ingo (had to do 
>>> with updating the load_weight inside task_setprio) seems to also 
>>> have this phenomenon: e.g. its technically correct but further 
>>> testing has revealed negative repercussions elsewhere.  So please 
>>> ignore that patch (or revert if you already pulled in, but I don't 
>>> think you have).  Ill try to look into this issue as well.
>>
>> ok, under which thread/subject is that? Not queued in tip/sched/* 
>> yet, correct?
>>   
> Here is the original thread:
>
> http://lkml.org/lkml/2008/7/3/416
>
> I do not believe you have queued it anywhere (public anyway) yet.
>
> Note I have already invalidated 1/2, and now I am retracting 2/2 as 
> well.  (1/2 is actually a bogus patch, 2/2 is "technically correct" 
> but causes ripples in the load balancer that need to be sorted out 
> first.

ok, thanks. I'm curious, what are those ripple effects? Stability or 
performance?

	Ingo
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