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    SubjectRe: [PATCH 1/19] MUTEX: Introduce simple mutex implementation
    > Guess
    >
    > #if __GNUC__ == 3 && __GNUC_MINOR__ < 3
    > #error Your compiler is too buggy; it is known to miscompile kernels.
    > #error Known good compilers: 3.3, 3.4, 4.0
    > #endif
    >
    > would be better. __GNUC__ < 2 will certainly be errored about in other
    > places and it is bad to suggest compilers that are no longer supported
    > as known good ones.

    Are there really any known serious miscompilation with 3.1/3.2?
    (I knew it used to miscompile some loops on x86-64, but I think I worked
    around all that)

    Preventing SLES9 and RHEL3 users from easily compiling new kernels
    isn't good.

    -Andi
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