From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: [PATCH tip/core/rcu 19/21] netlink: Remove smp_read_barrier_depends() from comment Date: Fri, 1 Dec 2017 11:51:14 -0800 Message-ID: <1512157876-24665-19-git-send-email-paulmck@linux.vnet.ibm.com> References: <20171201195053.GA23494@linux.vnet.ibm.com> Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, "Paul E. McKenney" , Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , , To: linux-kernel@vger.kernel.org Return-path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:36450 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752177AbdLATv1 (ORCPT ); Fri, 1 Dec 2017 14:51:27 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vB1JnQEX115621 for ; Fri, 1 Dec 2017 14:51:26 -0500 Received: from e15.ny.us.ibm.com (e15.ny.us.ibm.com [129.33.205.205]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ekd7291se-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 01 Dec 2017 14:51:26 -0500 Received: from localhost by e15.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 1 Dec 2017 14:51:24 -0500 In-Reply-To: <20171201195053.GA23494@linux.vnet.ibm.com> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Now that smp_read_barrier_depends() has been de-emphasized, the less said about it, the better. Signed-off-by: Paul E. McKenney Cc: Pablo Neira Ayuso Cc: Jozsef Kadlecsik Cc: Florian Westphal Cc: Cc: --- include/linux/netfilter/nfnetlink.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 495ba4dd9da5..34551f8aaf9d 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -67,8 +67,7 @@ static inline bool lockdep_nfnl_is_held(__u8 subsys_id) * @ss: The nfnetlink subsystem ID * * Return the value of the specified RCU-protected pointer, but omit - * both the smp_read_barrier_depends() and the READ_ONCE(), because - * caller holds the NFNL subsystem mutex. + * the READ_ONCE(), because caller holds the NFNL subsystem mutex. */ #define nfnl_dereference(p, ss) \ rcu_dereference_protected(p, lockdep_nfnl_is_held(ss)) -- 2.5.2