* [tip: core/rcu] srcu: Remove superfluous ssp initialization for early callbacks
@ 2021-06-30 13:47 tip-bot2 for Frederic Weisbecker
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From: tip-bot2 for Frederic Weisbecker @ 2021-06-30 13:47 UTC (permalink / raw)
To: linux-tip-commits
Cc: Frederic Weisbecker, Boqun Feng, Lai Jiangshan, Neeraj Upadhyay,
Josh Triplett, Joel Fernandes, Uladzislau Rezki,
Paul E. McKenney, x86, linux-kernel
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: c75e9d29159b94904d10b23ad6aebdf869b61106
Gitweb: https://git.kernel.org/tip/c75e9d29159b94904d10b23ad6aebdf869b61106
Author: Frederic Weisbecker <frederic@kernel.org>
AuthorDate: Fri, 02 Apr 2021 01:47:02 +02:00
Committer: Paul E. McKenney <paulmck@kernel.org>
CommitterDate: Mon, 10 May 2021 16:03:34 -07:00
srcu: Remove superfluous ssp initialization for early callbacks
Pre-srcu_init() invocations of call_srcu() initialize the srcu_struct
structure in question, so there is no need to check this initialization
in srcu_init() when initiating grace periods for srcu_struct structures
that had early call_srcu() invocations. This commit therefore drops
the calls to check_init_srcu_struct() in srcu_init().
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Neeraj Upadhyay <neeraju@codeaurora.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
kernel/rcu/srcutree.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index 3414aff..f4f0cbf 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -1388,7 +1388,6 @@ void __init srcu_init(void)
while (!list_empty(&srcu_boot_list)) {
ssp = list_first_entry(&srcu_boot_list, struct srcu_struct,
work.work.entry);
- check_init_srcu_struct(ssp);
list_del_init(&ssp->work.work.entry);
queue_work(rcu_gp_wq, &ssp->work.work);
}
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