Files
i2som-imx-linux/include/linux
Oleg Nesterov 55cc156505 percpu-rwsem: introduce percpu_rwsem_release() and percpu_rwsem_acquire()
Add percpu_rwsem_release() and percpu_rwsem_acquire() for the users
which need to return to userspace with percpu-rwsem lock held and/or
pass the ownership to another thread.

TODO: change percpu_rwsem_release() to use rwsem_clear_owner(). We can
either fold kernel/locking/rwsem.h into include/linux/rwsem.h, or add
the non-inline percpu_rwsem_clear_owner().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
2015-08-15 13:52:10 +02:00
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