* [PATCH -rcu] rculist: Replace reference to atomic_ops.rst
@ 2021-01-15 15:11 Akira Yokosawa
2021-01-15 18:21 ` Paul E. McKenney
0 siblings, 1 reply; 2+ messages in thread
From: Akira Yokosawa @ 2021-01-15 15:11 UTC (permalink / raw)
To: Paul E. McKenney
Cc: Josh Triplett, Steven Rostedt, Mathieu Desnoyers, Lai Jiangshan,
Joel Fernandes, rcu, linux-kernel, Peter Zijlstra
From f92cae321e9a42a1d4bc8a2d5d1a2cd62ab35410 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@gmail.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@infradead.org>
Signed-off-by: Akira Yokosawa <akiyks@gmail.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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH -rcu] rculist: Replace reference to atomic_ops.rst
2021-01-15 15:11 [PATCH -rcu] rculist: Replace reference to atomic_ops.rst Akira Yokosawa
@ 2021-01-15 18:21 ` Paul E. McKenney
0 siblings, 0 replies; 2+ messages in thread
From: Paul E. McKenney @ 2021-01-15 18:21 UTC (permalink / raw)
To: Akira Yokosawa
Cc: Josh Triplett, Steven Rostedt, Mathieu Desnoyers, Lai Jiangshan,
Joel Fernandes, rcu, linux-kernel, Peter Zijlstra
On Sat, Jan 16, 2021 at 12:11:45AM +0900, Akira Yokosawa wrote:
> >From f92cae321e9a42a1d4bc8a2d5d1a2cd62ab35410 Mon Sep 17 00:00:00 2001
> From: Akira Yokosawa <akiyks@gmail.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@infradead.org>
> Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Queued, thank you!
Thanx, Paul
> ---
> 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
>
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