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(parent: 6549a87) | patch
percpu_ref: percpu_ref_tryget_live() version holding RCU
authorPavel Begunkov <asml.silence@gmail.com>
Thu, 21 Oct 2021 13:30:51 +0000 (14:30 +0100)
committerJens Axboe <axboe@kernel.dk>
Thu, 21 Oct 2021 14:37:26 +0000 (08:37 -0600)
commit3b13c168186c115501ee7d194460ba2f8c825155
tree1ab6f6dda7d1b04e41c3bb4adbbc0338ff350693tree | snapshot
parent6549a874fb65e7ad4885d066ec314191cc137b52commit | diff
percpu_ref: percpu_ref_tryget_live() version holding RCU

Add percpu_ref_tryget_live_rcu(), which is a version of
percpu_ref_tryget_live() but the user is responsible for enclosing it in
a RCU read lock section.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Acked-by: Dennis Zhou <dennis@kernel.org>
Link: https://lore.kernel.org/r/3066500d7a6eb3e03f10adf98b87fdb3b1c49db8.1634822969.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
include/linux/percpu-refcount.h diff | blob | history
Domain: System / Kernel;