>
quoted text
> 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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