linux-kernel - Re: [PATCH 158/193] mm: remove CONFIG

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Message-ID: <alpine.DEB.2.00.1210231613300.3408@chino.kir.corp.google.com>
Date:	Tue, 23 Oct 2012 16:15:36 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Kees Cook <keescook@...omium.org>
cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Jan Beulich <JBeulich@...ell.com>, Mel Gorman <mel@....ul.ie>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>
Subject: Re: [PATCH 158/193] mm: remove CONFIG_EXPERIMENTAL

On Tue, 23 Oct 2012, Kees Cook wrote:

> > This makes ARCH_SELECT_MEMORY_MODEL pointless, why keep it around?
> 
> Good point. This seems to trigger much deeper changes. All of these
> and their logic go away:
> 
> arch/arm/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/arm/mach-clps711x/Kconfig: select ARCH_SELECT_MEMORY_MODEL
> arch/arm64/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/ia64/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/parisc/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/powerpc/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/s390/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/sh/mm/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/sparc/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> arch/x86/Kconfig:config ARCH_SELECT_MEMORY_MODEL
> 
> Along with mm/Kconfig:config SELECT_MEMORY_MODEL and associated logic.
> 
> How about we handle this as a phase 2, and for phase 1, I just drop
> EXPERIMENTAL?
> 

Yeah, sounds like a good idea.  If anybody complains because they were 
allowed to select their memory model because CONFIG_EXPERIMENTAL=y and not 
because ARCH_SELECT_MEMORY_MODEL, then we should be able to fix the option 
for their arch.
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