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authorPierre Peiffer <pierre.peiffer@bull.net>2007-05-09 05:35:02 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 15:30:55 -0400
commitd0aa7a70bf03b9de9e995ab272293be1f7937822 (patch)
tree194b30b7b8374b946f166996cb99fb95eb3b7819 /drivers/atm/atmtcp.c
parentc19384b5b296905d4988c7c684ff540a0f9d65be (diff)
futex_requeue_pi optimization
This patch provides the futex_requeue_pi functionality, which allows some threads waiting on a normal futex to be requeued on the wait-queue of a PI-futex. This provides an optimization, already used for (normal) futexes, to be used with the PI-futexes. This optimization is currently used by the glibc in pthread_broadcast, when using "normal" mutexes. With futex_requeue_pi, it can be used with PRIO_INHERIT mutexes too. Signed-off-by: Pierre Peiffer <pierre.peiffer@bull.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/atm/atmtcp.c')
0 files changed, 0 insertions, 0 deletions