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(parent: 13dfd97) | patch
notifier: Add blocking/atomic_notifier_chain_register_unique_prio()
authorDmitry Osipenko <dmitry.osipenko@collabora.com>
Mon, 9 May 2022 23:32:10 +0000 (02:32 +0300)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 19 May 2022 17:30:30 +0000 (19:30 +0200)
commitc82f898d873ce10d88f8d60b38c8dd19f1ed7c66
tree71df2d32a177655702f8241e7eca842db2b4fd37tree | snapshot
parent13dfd97a341a5cf9d15f415dd469f45e971ef12acommit | diff
notifier: Add blocking/atomic_notifier_chain_register_unique_prio()

Add variant of blocking/atomic_notifier_chain_register() functions that
allow registration of a notifier only if it has unique priority, otherwise
-EBUSY error code is returned by the new functions.

Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
include/linux/notifier.h diff | blob | history
kernel/notifier.c diff | blob | history
Domain: System / Kernel;