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Message-Id: <20200324153643.15527-9-will@kernel.org>
Date: Tue, 24 Mar 2020 15:36:30 +0000
From: Will Deacon <will@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Will Deacon <will@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Jann Horn <jannh@...gle.com>,
Kees Cook <keescook@...omium.org>,
Maddie Stone <maddiestone@...gle.com>,
Marco Elver <elver@...gle.com>,
"Paul E . McKenney" <paulmck@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Thomas Gleixner <tglx@...utronix.de>,
kernel-team@...roid.com,
kernel-hardening@...ts.openwall.com
Subject: [RFC PATCH 08/21] Revert "list: Use WRITE_ONCE() when initializing list_head structures"
This reverts commit 2f073848c3cc8aff2655ab7c46d8c0de90cf4e50.
There is no need to use WRITE_ONCE() to initialise a non-RCU 'list_head'.
Cc: Paul E. McKenney <paulmck@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Will Deacon <will@...nel.org>
---
include/linux/list.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/list.h b/include/linux/list.h
index c7331c259792..b86a3f9465d4 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -32,7 +32,7 @@
*/
static inline void INIT_LIST_HEAD(struct list_head *list)
{
- WRITE_ONCE(list->next, list);
+ list->next = list;
list->prev = list;
}
--
2.20.1
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