Re: [PATCH] replace "make ARCH=i386/x86_64 with make ARCH=x86"

[Jeremy Fitzhardinge]

Jeff Garzik wrote:
> This also opens a chicken-and-egg problem...  What kind of config is
> generated by allmodconfig when ARCH==x86?  There is no good answer.

With a unified x86 architecture, the decision to compile with 32 or
64-bit mode isn't really different from SMP vs UP, PAE vs non-PAE and so
on.  It's just a config option with global effects.  Over time, the
number of config options with are really 32 or 64-bit specific will
probably pretty small.

> The existing tradition of switching between 32-bit and 64-bit was
> quite nice, and it was done in The Obvious Way(tm) -- via the method
> for specifying the architecture/platform.  Switching to Kconfig for
> that decision is a step backwards in usability and IMO violates the
> Principle of Least Surprise.

The architecture is now x86, with a further 32 or 64-bit parameter.  We
already have config options for setting the sub-architecture.

    J
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