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    SubjectRe: [PATCH] unicore32 fix: remove arch-specific futex support
    Date
    On Thursday 31 March 2011, Guan Xuetao wrote:
    > For cmpxchg, we have both system call and kuser_cmpxchg supports in old abi
    > which are similar to arm.
    > The performance of system call version is too poor, so it could be only used for test.
    >

    Let's forget about doing futex support for unicore32 then and use your original
    patch.

    Acked-by: Arnd Bergmann <arnd@arndb.de>


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