From: Pingfan Liu <kernelfans@gmail.com>
To: rcu@vger.kernel.org
Cc: Pingfan Liu <kernelfans@gmail.com>,
Lai Jiangshan <jiangshanlai@gmail.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Frederic Weisbecker <frederic@kernel.org>,
Josh Triplett <josh@joshtriplett.org>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: [PATCH 0/2] srcu: Optimize when srcu_gp_start_if_needed() holds
Date: Sun, 20 Nov 2022 11:40:12 +0800 [thread overview]
Message-ID: <20221120034014.7390-1-kernelfans@gmail.com> (raw)
This series optimizes and remove some code under the condition that
srcu_gp_start_if_needed() holds the srcu read lock.
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: rcu@vger.kernel.org
Pingfan Liu (2):
srcu: Remove needless rcu_seq_done() check while holding read lock
srcu: Remove needless updating of srcu_have_cbs in srcu_gp_end()
kernel/rcu/srcutree.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
--
2.31.1
next reply other threads:[~2022-11-20 3:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-20 3:40 Pingfan Liu [this message]
2022-11-20 3:40 ` [PATCH 1/2] srcu: Remove needless rcu_seq_done() check while holding read lock Pingfan Liu
2022-11-20 5:00 ` Zhang, Qiang1
2022-11-20 15:26 ` Pingfan Liu
2022-11-22 1:13 ` Paul E. McKenney
2022-11-22 9:50 ` Pingfan Liu
2022-11-20 3:40 ` [PATCH 2/2] srcu: Remove needless updating of srcu_have_cbs in srcu_gp_end() Pingfan Liu
2022-11-22 1:19 ` Paul E. McKenney
2022-11-22 9:59 ` Pingfan Liu
2022-11-22 14:45 ` Paul E. McKenney
2022-11-23 13:29 ` Pingfan Liu
2022-11-23 18:40 ` Paul E. McKenney
2022-11-20 15:20 ` [PATCH] srcu: Eliminate the case that snp_seq bigger than snap in srcu_funnel_gp_start() Pingfan Liu
2022-11-20 15:23 ` Pingfan Liu
2022-11-22 1:20 ` Paul E. McKenney
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