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From: Greg KH <greg@kroah.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Andi Kleen <andi@firstfloor.org>,
	"lee.schermerhorn@hp.com" <lee.schermerhorn@hp.com>,
	"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	LKML <linux-kernel@vger.kernel.org>,
	stable@kernel.org, Hugh Dickins <hugh.dickins@tiscali.co.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Arjan van de Ven <arjan@linux.intel.com>,
	Ingo Molnar <mingo@elte.hu>
Subject: Re: [stable] aim7 scalability issue on 4 socket machine
Date: Sun, 6 Dec 2009 14:17:34 -0800	[thread overview]
Message-ID: <20091206221734.GA22414@kroah.com> (raw)
In-Reply-To: <20091206211105.GA13917@elf.ucw.cz>

On Sun, Dec 06, 2009 at 10:11:05PM +0100, Pavel Machek wrote:
> On Sun 2009-12-06 21:11:36, Andi Kleen wrote:
> > >  - 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"
> 
> Well, IIRC it was benchmark that was slowed down, on huge system, so
> it was exactly "this could be a problem".
> 
> Anyway, I don't care about -stable series too much (and sorry for
> replying to such an old mail), but perhaps the docs should be updated?
> 
> Examples cited there are such as "data corruption" or "oops", which is
> clearly different ballpark then "slowdown".

Why does it really matter if the intent is the thing that matters here.

Deal with specifics on a case-by-case basis, and if you don't really
care about this, then why dig up a many-month old thread?

strange,

greg k-h

  reply	other threads:[~2009-12-06 22:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-17  9:31 aim7 scalability issue on 4 socket machine Zhang, Yanmin
2009-09-17  9:40 ` Peter Zijlstra
2009-09-17 10:35   ` Hugh Dickins
2009-09-18  2:02     ` Zhang, Yanmin
2009-09-18  2:59       ` Andrew Morton
2009-09-18  3:17         ` Zhang, Yanmin
2009-09-18  6:53         ` Hugh Dickins
2009-09-18  7:05           ` Andrew Morton
2009-12-06 20:08             ` Pavel Machek
2009-12-06 20:11               ` Andi Kleen
2009-12-06 21:11                 ` Pavel Machek
2009-12-06 22:17                   ` Greg KH [this message]
2009-12-06 22:23                     ` [stable] " Pavel Machek
2009-09-18  7:12           ` Andi Kleen
2009-09-18  7:29             ` Hugh Dickins
2009-09-18 13:15             ` Lee Schermerhorn
2009-09-18 14:33               ` Andi Kleen
2009-09-17 10:35 ` Ingo Molnar

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