Messages in this thread Patch in this message | | | From | "Joel Fernandes (Google)" <> | Subject | [PATCH v2 2/3] rcu/tree: Clarify comments about FQS loop reporting quiescent states | Date | Thu, 30 Jul 2020 20:40:11 -0400 |
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At least since v4.19, the FQS loop no longer reports quiescent states unless it is a dire situation where an offlined CPU failed to report a quiescent state. Let us clarify the comment in rcu_gp_init() inorder to keep the comment current.
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> --- kernel/rcu/tree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 6b6fc28bb670..a621932cc385 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1701,8 +1701,8 @@ static bool rcu_gp_init(void) /* * Apply per-leaf buffered online and offline operations to the - * rcu_node tree. Note that this new grace period need not wait - * for subsequent online CPUs, and that quiescent-state forcing + * rcu_node tree. Note that this new grace period need not wait for + * subsequent online CPUs, and that RCU hooks in CPU offlining path * will handle subsequent offline CPUs. */ rcu_state.gp_state = RCU_GP_ONOFF; -- 2.28.0.163.g6104cc2f0b6-goog
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