From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>,
Boqun Feng <boqun.feng@gmail.com>,
Joel Fernandes <joel@joelfernandes.org>,
Neeraj Upadhyay <neeraj.upadhyay@amd.com>,
"Paul E . McKenney" <paulmck@kernel.org>,
Uladzislau Rezki <urezki@gmail.com>,
Zqiang <qiang.zhang1211@gmail.com>, rcu <rcu@vger.kernel.org>
Subject: [PATCH 0/3] rcu/exp updates
Date: Fri, 14 Feb 2025 00:25:56 +0100 [thread overview]
Message-ID: <20250213232559.34163-1-frederic@kernel.org> (raw)
Here are a few updates for expedited RCU. Some were inspired by debates
with Paul while he was investigating the issue that got eventually
fixed by "rcu: Fix get_state_synchronize_rcu_full() GP-start detection".
Frederic Weisbecker (3):
rcu/exp: Protect against early QS report
rcu/exp: Remove confusing needless full barrier on task unblock
rcu/exp: Remove needless CPU up quiescent state report
kernel/rcu/tree.c | 2 --
kernel/rcu/tree_exp.h | 59 ++++++----------------------------------
kernel/rcu/tree_plugin.h | 1 -
3 files changed, 9 insertions(+), 53 deletions(-)
--
2.46.0
next reply other threads:[~2025-02-13 23:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-13 23:25 Frederic Weisbecker [this message]
2025-02-13 23:25 ` [PATCH 1/3] rcu/exp: Protect against early QS report Frederic Weisbecker
2025-02-14 9:10 ` Paul E. McKenney
2025-03-13 16:40 ` Frederic Weisbecker
2025-03-13 17:04 ` Paul E. McKenney
2025-02-13 23:25 ` [PATCH 2/3] rcu/exp: Remove confusing needless full barrier on task unblock Frederic Weisbecker
2025-02-25 21:59 ` Joel Fernandes
2025-02-26 0:08 ` Paul E. McKenney
2025-02-26 12:52 ` Frederic Weisbecker
2025-02-26 15:04 ` Paul E. McKenney
2025-02-26 15:26 ` Joel Fernandes
2025-02-26 15:34 ` Frederic Weisbecker
2025-02-13 23:25 ` [PATCH 3/3] rcu/exp: Remove needless CPU up quiescent state report Frederic Weisbecker
2025-02-14 9:01 ` Paul E. McKenney
2025-02-14 12:10 ` Frederic Weisbecker
2025-02-15 10:38 ` Paul E. McKenney
2025-02-15 22:23 ` Frederic Weisbecker
2025-02-19 14:58 ` Paul E. McKenney
2025-02-19 15:55 ` Paul E. McKenney
2025-02-21 15:31 ` Frederic Weisbecker
2025-02-21 15:52 ` Frederic Weisbecker
2025-02-26 0:00 ` Paul E. McKenney
2025-03-03 20:10 ` Paul E. McKenney
2025-03-14 14:39 ` Frederic Weisbecker
2025-03-18 17:07 ` Paul E. McKenney
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