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    SubjectRe: [PATCH] unicore32 fix: remove arch-specific futex support
    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

    Acked-by: Arnd Bergmann <>

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