From: "Paul E. McKenney" <paulmck@kernel.org>
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com,
rostedt@goodmis.org, "Paul E. McKenney" <paulmck@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PATCH v2 3/4] srcu: Add guards for notrace variants of SRCU-fast readers
Date: Fri, 18 Jul 2025 17:28:16 -0700 [thread overview]
Message-ID: <20250719002817.4121867-3-paulmck@kernel.org> (raw)
In-Reply-To: <3cecf6c9-b2ee-4f34-9d1b-ca4cfb8e56a7@paulmck-laptop>
This adds the usual scoped_guard(srcu_fast_notrace, &my_srcu) and
guard(srcu_fast_notrace)(&my_srcu).
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/srcu.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 7a692bf8f99b9..ada65b58bc4c5 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -515,4 +515,9 @@ DEFINE_LOCK_GUARD_1(srcu_fast, struct srcu_struct,
srcu_read_unlock_fast(_T->lock, _T->scp),
struct srcu_ctr __percpu *scp)
+DEFINE_LOCK_GUARD_1(srcu_fast_notrace, struct srcu_struct,
+ _T->scp = srcu_read_lock_fast_notrace(_T->lock),
+ srcu_read_unlock_fast_notrace(_T->lock, _T->scp),
+ struct srcu_ctr __percpu *scp)
+
#endif
--
2.40.1
next prev parent reply other threads:[~2025-07-19 0:28 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-13 15:22 [RFC PATCH 0/2] Switch tracing from sched-RCU to preempt-RCU Sebastian Andrzej Siewior
2025-06-13 15:22 ` [RFC PATCH 1/2] rcu: Add rcu_read_lock_notrace() Sebastian Andrzej Siewior
2025-06-18 17:21 ` Boqun Feng
2025-06-20 8:43 ` Sebastian Andrzej Siewior
2025-06-20 11:23 ` Paul E. McKenney
2025-06-23 10:49 ` Sebastian Andrzej Siewior
2025-06-23 18:13 ` Paul E. McKenney
2025-07-07 21:56 ` Paul E. McKenney
2025-07-08 19:40 ` Mathieu Desnoyers
2025-07-08 20:49 ` Paul E. McKenney
2025-07-09 14:31 ` Mathieu Desnoyers
2025-07-09 18:33 ` Paul E. McKenney
2025-07-11 13:46 ` Mathieu Desnoyers
2025-07-11 17:05 ` Paul E. McKenney
2025-07-14 16:34 ` Paul E. McKenney
2025-07-15 19:56 ` Mathieu Desnoyers
2025-07-15 23:23 ` Paul E. McKenney
2025-07-15 19:54 ` Mathieu Desnoyers
2025-07-15 23:18 ` Paul E. McKenney
2025-07-16 0:42 ` Paul E. McKenney
2025-07-16 4:41 ` Paul E. McKenney
2025-07-16 15:09 ` Steven Rostedt
2025-07-16 20:35 ` Paul E. McKenney
2025-07-16 22:54 ` Paul E. McKenney
2025-07-16 22:54 ` [PATCH RFC 1/4] srcu: Move rcu_is_watching() checks to srcu_read_{,un}lock_fast() Paul E. McKenney
2025-07-16 22:54 ` [PATCH RFC 2/4] srcu: Add srcu_read_lock_fast_notrace() and srcu_read_unlock_fast_notrace() Paul E. McKenney
2025-07-16 22:54 ` [PATCH RFC 3/4] srcu: Add guards for notrace variants of SRCU-fast readers Paul E. McKenney
2025-07-16 22:54 ` [PATCH RFC 4/4] tracing: Guard __DECLARE_TRACE() use of __DO_TRACE_CALL() with SRCU-fast Paul E. McKenney
2025-07-17 13:14 ` [RFC PATCH 1/2] rcu: Add rcu_read_lock_notrace() Mathieu Desnoyers
2025-07-17 14:46 ` Mathieu Desnoyers
2025-07-17 15:18 ` Paul E. McKenney
2025-07-17 19:36 ` Mathieu Desnoyers
2025-07-17 21:27 ` Paul E. McKenney
2025-07-17 14:57 ` Alexei Starovoitov
2025-07-17 15:12 ` Steven Rostedt
2025-07-17 15:27 ` Alexei Starovoitov
2025-07-17 15:40 ` Steven Rostedt
2025-07-17 15:55 ` Steven Rostedt
2025-07-17 16:02 ` Alexei Starovoitov
2025-07-17 16:19 ` Steven Rostedt
2025-07-17 17:38 ` Mathieu Desnoyers
2025-07-17 16:04 ` Paul E. McKenney
2025-07-17 15:44 ` Paul E. McKenney
2025-07-17 15:30 ` Paul E. McKenney
2025-07-17 15:07 ` Paul E. McKenney
2025-07-17 19:04 ` [PATCH RFC 6/4] srcu: Add guards for SRCU-fast readers Paul E. McKenney
2025-07-17 19:19 ` Steven Rostedt
2025-07-17 19:51 ` Paul E. McKenney
2025-07-17 19:56 ` Steven Rostedt
2025-07-17 20:38 ` Paul E. McKenney
2025-07-19 0:28 ` [RFC PATCH 1/2] rcu: Add rcu_read_lock_notrace() Paul E. McKenney
2025-07-19 0:28 ` [PATCH v2 1/4] srcu: Move rcu_is_watching() checks to srcu_read_{,un}lock_fast() Paul E. McKenney
2025-07-21 14:53 ` Steven Rostedt
2025-07-21 16:25 ` Paul E. McKenney
2025-07-19 0:28 ` [PATCH v2 2/4] srcu: Add srcu_read_lock_fast_notrace() and srcu_read_unlock_fast_notrace() Paul E. McKenney
2025-07-19 0:28 ` Paul E. McKenney [this message]
2025-07-19 0:28 ` [PATCH v2 4/4] tracing: Guard __DECLARE_TRACE() use of __DO_TRACE_CALL() with SRCU-fast Paul E. McKenney
2025-06-13 15:22 ` [RFC PATCH 2/2] trace: Use rcu_read_lock() instead preempt_disable() Sebastian Andrzej Siewior
2025-06-13 15:38 ` [RFC PATCH 0/2] Switch tracing from sched-RCU to preempt-RCU Mathieu Desnoyers
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=20250719002817.4121867-3-paulmck@kernel.org \
--to=paulmck@kernel.org \
--cc=bigeasy@linutronix.de \
--cc=kernel-team@meta.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=rcu@vger.kernel.org \
--cc=rostedt@goodmis.org \
/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;
as well as URLs for NNTP newsgroup(s).