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| H A D | rcu.h | diff 547c59c83abfc2abfae20262cf30d14c9e73f350 Fri Oct 27 09:40:47 CDT 2023 Frederic Weisbecker <frederic@kernel.org> rcu: Introduce rcu_cpu_online()
[ Upstream commit 2be4686d866ad5896f2bb94d82fe892197aea9c7 ]
Export the RCU point of view as to when a CPU is considered offline
(ie: when does RCU consider that a CPU is sufficiently down in the
hotplug process to not feature any possible read side).
This will be used by RCU-tasks whose vision of an offline CPU should
reasonably match the one of RCU core.
Fixes: cff9b2332ab7 ("kernel/sched: Modify initial boot task idle setup")
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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