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SubjectRe: [PATCH] bring sanity to div64.h and do_div usage
>>>>> "Jeff" == Jeff Garzik <> writes:

Jeff> Jes Sorensen wrote:
>> Why? CONFIG_$ARCH only makes sense if you can enable two
>> architectures in the same build. What does CONFIG_M68K give you that
>> __mc68000__ doesn't provide?

Jeff> 1) it is a Linux kernel standard. all arches save two define
Jeff> CONFIG_$arch.

Ehm, what standard? the standard way has always been ARCH==, CONFIG_PPC
used to be the only place using this and all it did was to make things
uglier and inconsistent.

Jeff> 2) you have two tests, "ARCH==m68k" in and "__mc68000__"
Jeff> in C code. CONFIG_M68K means you only test one symbol, the same
Jeff> symbol, in all code.

If you want to do that, then one should use CONFIG_<ARCH> in the
Makefiles as well.

Jeff> 3) as this thread shows, due to #1, users -expect- that
Jeff> CONFIG_M68K will exist

Ehm, most kernel developers will expect ARCH== in as thats
how it's always been.

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