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    SubjectRe: [PATCH] Replacing __SMP__ by CONFIG_SMP globally in linux-2.3.39.
    "Richard B. Johnson" wrote:
    > What is its purpose? __SMP__ is not just defined or not defined from
    > the linux kernel source directory, but also used for writing modules
    > which, in fact, may not exist within the kernel source directory at
    > all.
    >
    > So, if such a patch goes into the kernel, module makefiles now have
    > to be modified to define "CONFIG_SMP" instead of "__SMP__" which,
    > since they may not even have a "configuration", becomes just another
    > PITA to support "change for the sake of change".

    __SMP__ has been obsolete ever since SMP was made a real config option.
    This patch is just finishing the job. If a standalone module must
    continue to use __SMP__, it could do:

    #if defined(CONFIG_SMP) && !defined(__SMP__)
    #define __SMP__
    #endif

    This has been discussed before. Change during a development kernel is
    expected. Backwards compatability is not guaranteed. We don't want to
    fall into that trap.

    --

    Brian Gerst



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