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    SubjectRe: alpha: half done futex implementation
    > If either the lwarx or the stwcx. faults, the routine returns -EFAULT
    > and doesn't retry (label "3" is the end of the asm).
    > If the stwcx. fails because the CPU lost the reservation, %1 isn't
    > clobbered as far as I see?

    Oh, "insn" writes to %1, never mind.


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