linux-kernel - Re: [PATCH v3 0/2] change ARM linux memory layout to support 32 CPUs

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Message-ID: <alpine.LFD.2.11.1404221949510.980@knanqh.ubzr>
Date:	Tue, 22 Apr 2014 19:50:48 -0400 (EDT)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
cc:	Liu Hua <sdu.liu@...wei.com>, will.deacon@....com, vitalya@...com,
	cyril@...com, santosh.shilimkar@...com, lauraa@...eaurora.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	wangnan0@...wei.com, peifeiyue@...wei.com, liusdu@....co
Subject: Re: [PATCH v3 0/2] change ARM linux memory layout to support 32
 CPUs

On Tue, 22 Apr 2014, Russell King - ARM Linux wrote:

> On Tue, Apr 15, 2014 at 07:06:05PM +0800, Liu Hua wrote:
> > This patch series change fixmap mapping region to suppport 32 CPUs.
> > Because the "top_pmd" covers 0xfffe0000 - 0xffffffff(2M). And part 
> > is used by vector table. So I move this region down to 0xffc00000
> >  - 0xffdffff. 
> 
> Can you explain why you have submitted these patches to my patch tracker
> with a copy to stable@...r.kernel.org ?
> 
> What makes these qualify for stable tree inclusion?  What regression are
> they fixing?
> 
> We don't put patches into the stable tree for things that /never/ worked
> in the past.  We've never supported 32 CPUs so I don't think these
> qualify.

Indeed.  The stable qualifier should be dropped.


Nicolas
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