linux-kernel - [PATCH -rcu] rculist: Replace reference to atomic

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Message-ID: <94e4df15-770b-4944-f3c6-f2856fc49786@gmail.com>
Date:   Sat, 16 Jan 2021 00:11:45 +0900
From:   Akira Yokosawa <akiyks@...il.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>, rcu@...r.kernel.org,
        linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH -rcu] rculist: Replace reference to atomic_ops.rst

>From f92cae321e9a42a1d4bc8a2d5d1a2cd62ab35410 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@...il.com>
Date: Fri, 15 Jan 2021 23:39:03 +0900
Subject: [PATCH -rcu] rculist: Replace reference to atomic_ops.rst

atomic_ops.rst was removed in commit f0400a77ebdc ("atomic: Delete
obsolete documentation").
Instead, reference a section in memory-barriers.txt discussing
the use of barrier() in loops.

Cc: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Akira Yokosawa <akiyks@...il.com>
---
 include/linux/rculist_nulls.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h
index ff3e94779e73..d8afdb8784c1 100644
--- a/include/linux/rculist_nulls.h
+++ b/include/linux/rculist_nulls.h
@@ -161,7 +161,7 @@ static inline void hlist_nulls_add_fake(struct hlist_nulls_node *n)
  *
  * The barrier() is needed to make sure compiler doesn't cache first element [1],
  * as this loop can be restarted [2]
- * [1] Documentation/core-api/atomic_ops.rst around line 114
+ * [1] Documentation/memory-barriers.txt around line 1533
  * [2] Documentation/RCU/rculist_nulls.rst around line 146
  */
 #define hlist_nulls_for_each_entry_rcu(tpos, pos, head, member)			\
-- 
2.17.1