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Date: Tue, 23 Oct 2012 16:15:36 -0700 (PDT)
From: David Rientjes <rientjes@google.com>
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To: Kees Cook <keescook@chromium.org>
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        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
        Jan Beulich <JBeulich@novell.com>, Mel Gorman <mel@csn.ul.ie>,
        Seth Jennings <sjenning@linux.vnet.ibm.com>
Subject: Re: [PATCH 158/193] mm: remove CONFIG_EXPERIMENTAL
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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.