Re: [PATCH 2.6.19.1-rt15][RFC] - futex_requeue_pi implementation(requeue from futex1 to PI-futex2)

[Ulrich Drepper]

Pierre Peiffer wrote:
> But, just for information, what is the sys_futex64 for, exactly ? Is
> there a plan to have in the future a 64-bit PID ?

This has nothing to do with PIDs.  We need 64-bit values for more
complex bit fields which can then be stored in the futex.  One example
is a new, much faster rwlock implementation.  These are not practical
without 64-bit futexes.  This is why I asked Ingo to add the code.

-- 
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â

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