Hi, Here's an updated version of the pcpu rwsem writer wait/wake changes with the abstractions wanted by Oleg. Patch 1 adds rcuwait (for a lack of better name), and patch 2 trivially makes use of it.
Has survived torture testing, which is actually very handy in this case particularly dealing with equal amount of reader and writer threads. Thanks. Davidlohr Bueso (2): sched: Introduce rcuwait machinery locking/percpu-rwsem: Replace waitqueue with rcuwait include/linux/percpu-rwsem.h | 8 +++--- include/linux/rcuwait.h | 63 +++++++++++++++++++++++++++++++++++++++++++ kernel/exit.c | 29 ++++++++++++++++++++ kernel/locking/percpu-rwsem.c | 7 +++-- 4 files changed, 99 insertions(+), 8 deletions(-) create mode 100644 include/linux/rcuwait.h -- 2.6.6
