linux-kernel - [tip: core/rcu] rculist: Replace reference to atomic

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Date:   Sun, 11 Apr 2021 13:43:41 -0000
From:   "tip-bot2 for Akira Yokosawa" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Akira Yokosawa <akiyks@...il.com>,
        "Paul E. McKenney" <paulmck@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: core/rcu] rculist: Replace reference to atomic_ops.rst

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     5bb1369d4bea078dd1298dfc2c6ce781d9e34dde
Gitweb:        https://git.kernel.org/tip/5bb1369d4bea078dd1298dfc2c6ce781d9e34dde
Author:        Akira Yokosawa <akiyks@...il.com>
AuthorDate:    Sat, 16 Jan 2021 00:11:45 +09:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 08 Mar 2021 14:17:35 -08:00

rculist: Replace reference to atomic_ops.rst

The hlist_nulls_for_each_entry_rcu() docbook header references the
atomic_ops.rst file, which was removed in commit f0400a77ebdc ("atomic:
Delete obsolete documentation").  This commit therefore substitutes 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>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 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 ff3e947..d8afdb8 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)			\