From: Joel Fernandes <jfern@kernel.org>
To: linux-kernel@vger.kernel.org,
"Paul E . McKenney" <paulmck@kernel.org>,
Frederic Weisbecker <frederic@kernel.org>,
Neeraj Upadhyay <neeraj.upadhyay@kernel.org>,
Joel Fernandes <jfern@kernel.org>,
Josh Triplett <josh@joshtriplett.org>,
Boqun Feng <boqun@kernel.org>,
Uladzislau Rezki <urezki@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Zqiang <qiang.zhang@linux.dev>, Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Randy Dunlap <rdunlap@infradead.org>
Cc: rcu@vger.kernel.org, linux-doc@vger.kernel.org
Subject: [PATCH for-v7.5 1/5] doc: Update recent SRCU API additions to whatisRCU.rst
Date: Thu, 12 Nov 2026 19:50:50 -0500 [thread overview]
Message-ID: <20261113005056.2793983-2-jfern@kernel.org> (raw)
In-Reply-To: <20261113005056.2793983-1-jfern@kernel.org>
From: Zqiang <qiang.zhang@linux.dev>
The commit 'dab06d6f9379 ("srcutree: Add an atomic Tree SRCU")'
introduces some new APIs:
srcu_read_lock_atomic
srcu_read_unlock_atomic
synchronize_srcu_atomic
DEFINE_SRCU_ATOMIC
DEFINE_STATIC_SRCU_ATOMIC
init_srcu_struct_atomic
This commit therefore update thems to whatisRCU.rst.
Signed-off-by: Zqiang <qiang.zhang@linux.dev>
Reviewed-by: Joel Fernandes <jfern@kernel.org>
Signed-off-by: Joel Fernandes <jfern@kernel.org>
---
Documentation/RCU/whatisRCU.rst | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/RCU/whatisRCU.rst b/Documentation/RCU/whatisRCU.rst
index e6767baff2d3..75c50f2f6d79 100644
--- a/Documentation/RCU/whatisRCU.rst
+++ b/Documentation/RCU/whatisRCU.rst
@@ -1209,11 +1209,13 @@ SRCU::
srcu_read_lock_nmisafe start_poll_synchronize_srcu
srcu_read_unlock_nmisafe start_poll_synchronize_srcu_expedited
srcu_read_lock_notrace poll_state_synchronize_srcu
- srcu_read_unlock_notrace
+ srcu_read_unlock_notrace synchronize_srcu_atomic
srcu_down_read
srcu_up_read
srcu_down_read_fast
srcu_up_read_fast
+ srcu_read_lock_atomic
+ srcu_read_unlock_atomic
guard(srcu)()
scoped_guard(srcu)
srcu_read_lock_held
@@ -1229,8 +1231,11 @@ SRCU: Initialization/cleanup/ordering::
DEFINE_STATIC_SRCU
DEFINE_SRCU_FAST // for srcu_read_lock_fast() and friends
DEFINE_STATIC_SRCU_FAST // for srcu_read_lock_fast() and friends
+ DEFINE_SRCU_ATOMIC
+ DEFINE_STATIC_SRCU_ATOMIC
init_srcu_struct
init_srcu_struct_fast
+ init_srcu_struct_atomic
cleanup_srcu_struct
smp_mb__after_srcu_read_unlock
--
2.54.0
next parent reply other threads:[~2026-11-13 0:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20261113005056.2793983-1-jfern@kernel.org>
2026-11-13 0:50 ` Joel Fernandes [this message]
2026-11-13 0:50 ` [PATCH for-v7.5 3/5] doc: Document atomic SRCU in Design/Requirements/Requirements.rst Joel Fernandes
2026-11-13 0:50 ` [PATCH for-v7.5 4/5] doc: Fix stale RCU_GP_WAIT_FQS value in stallwarn.rst Joel Fernandes
2026-11-13 0:50 ` [PATCH for-v7.5 5/5] doc: Document additional RCU task-stall dump information Joel Fernandes
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