Messages in this thread | | | Date | Wed, 10 Jan 2007 09:17:06 +0100 | From | Pierre Peiffer <> | Subject | Re: [PATCH 2.6.20-rc4 3/4] futex_requeue_pi optimization |
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Ulrich Drepper wrote : > > So, this patch implements requeuing from a non-PI futex to a PI futex?
Yes.
> That's the bare minimum needed. What about PI to PI?
I may miss something, but I don't think there is a need for that.
Currently, futex_requeue is (only) used in pthread_cond_broadcast to requeue some threads from an internal futex (futex1) to another futex (futex2, which is the futex behind the cond_mutex)
futex1 does not need to be a PI-futex, I think.
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