srcu: Create concurrency-safe helper for initiating size transition

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Once there are contention-initiated size transitions, it will be
possible for rcutorture to initiate a transition at the same time
as a contention-initiated transition.  This commit therefore creates
a concurrency-safe helper function named srcu_transition_to_big() to
safely initiate size transitions.

Co-developed-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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Paul E. McKenney 2022-01-27 14:56:39 -08:00

parent ee5e2448bc

commit 99659f64b1

1 changed files with 21 additions and 2 deletions

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23

kernel/rcu/srcutree.c

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