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    SubjectRe: [PATCH] bring sanity to div64.h and do_div usage
    >>>>> "Jeff" == Jeff Garzik <jgarzik@mandrakesoft.com> 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 config.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 Config.in as thats
    how it's always been.

    Jes
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