linux-kernel - Re: aim7 scalability issue on 4 socket machine

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Message-ID: <20091206201136.GZ18989@one.firstfloor.org>
Date:	Sun, 6 Dec 2009 21:11:36 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Andi Kleen <andi@...stfloor.org>,
	"lee.schermerhorn@...com" <lee.schermerhorn@...com>,
	stable@...nel.org
Subject: Re: aim7 scalability issue on 4 socket machine

>  - It must be obviously correct and tested.
>  - It cannot be bigger than 100 lines, with context.
>  - It must fix only one thing.
>  - It must fix a real bug that bothers people (not a, "This could be a
>    problem..." type thing).

A significant slow down in a common situation is a "significant
bug that bothers people"

-Andi
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