[PATCH] powerpc: Fix bug in __futex_atomic_op

Richard Henderson rth at twiddle.net
Wed Apr 15 02:17:19 EST 2009

Paul Mackerras wrote:
> Can anyone see any reason why the FUTEX_OP_SET case can't just do a
> __put_user?

Because you need to return the old value.  Despite the name,
it's an exchange operation not a set.


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