public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
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


             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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250213232559.34163-1-frederic@kernel.org \
    --to=frederic@kernel.org \
    --cc=boqun.feng@gmail.com \
    --cc=joel@joelfernandes.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=neeraj.upadhyay@amd.com \
    --cc=paulmck@kernel.org \
    --cc=qiang.zhang1211@gmail.com \
    --cc=rcu@vger.kernel.org \
    --cc=urezki@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox