From: Andi Kleen <ak@suse.de>
To: Adrian Bunk <bunk@kernel.org>
Subject: Re: x86 merge - a little feedback
Date: Tue, 11 Sep 2007 22:34:23 +0100
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Cc: Sam Ravnborg <sam@ravnborg.org>, Thomas Gleixner <tglx@linutronix.de>,
       Ingo Molnar <mingo@elte.hu>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       LKML <linux-kernel@vger.kernel.org>
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>
> People do not expect code under arch/i386/ to be used by code under
> arch/x86_64/ and vice versa.
>
> That regularly results in people sending patches that don't compile on
> the other architecture.
>
> With one architecture it's much more obvious that the code is shared.

Will that cause people to compile test both? I have my doubts that 
will really work.

e.g. a similar example would be CONFIG_MMU=n. The code 
is mostly shared and in the same directories, but people still
break the MMUless architectures all the time. 

I don't expect this to be different with 32bit/64bit.

-Andi
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