From mboxrd@z Thu Jan 1 00:00:00 1970 From: tip-bot for Davidlohr Bueso Subject: [tip:locking/core] locking/barriers, arch: Remove ambiguous statement in the smp_store_mb() documentation Date: Fri, 4 Dec 2015 04:01:56 -0800 Message-ID: References: <1445975631-17047-5-git-send-email-dave@stgolabs.net> Reply-To: linux-kernel@vger.kernel.org, hpa@zytor.com, corbet@lwn.net, tglx@linutronix.de, paulmck@linux.vnet.ibm.com, linux-arch@vger.kernel.org, dave@stgolabs.net, torvalds@linux-foundation.org, mingo@kernel.org, akpm@linux-foundation.org, peterz@infradead.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1445975631-17047-5-git-send-email-dave@stgolabs.net> Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: linux-tip-commits@vger.kernel.org Cc: corbet@lwn.net, tglx@linutronix.de, linux-kernel@vger.kernel.org, hpa@zytor.com, linux-arch@vger.kernel.org, paulmck@linux.vnet.ibm.com, torvalds@linux-foundation.org, mingo@kernel.org, dave@stgolabs.net, peterz@infradead.org, akpm@linux-foundation.org List-Id: linux-arch.vger.kernel.org Commit-ID: 2d142e599bf73ab70a3457e6947f86935245415e Gitweb: http://git.kernel.org/tip/2d142e599bf73ab70a3457e6947f86935245415e Author: Davidlohr Bueso AuthorDate: Tue, 27 Oct 2015 12:53:51 -0700 Committer: Ingo Molnar CommitDate: Fri, 4 Dec 2015 11:39:51 +0100 locking/barriers, arch: Remove ambiguous statement in the smp_store_mb() documentation It serves no purpose but to confuse readers, and is most likely a left over from constant memory-barriers.txt updates. I.e.: http://lists.openwall.net/linux-kernel/2006/07/15/27 Signed-off-by: Davidlohr Bueso Signed-off-by: Peter Zijlstra (Intel) Cc: Cc: Andrew Morton Cc: Jonathan Corbet Cc: Linus Torvalds Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1445975631-17047-5-git-send-email-dave@stgolabs.net Signed-off-by: Ingo Molnar --- Documentation/memory-barriers.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index aef9487..c85054d 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -1673,8 +1673,8 @@ There are some more advanced barrier functions: (*) smp_store_mb(var, value) This assigns the value to the variable and then inserts a full memory - barrier after it, depending on the function. It isn't guaranteed to - insert anything more than a compiler barrier in a UP compilation. + barrier after it. It isn't guaranteed to insert anything more than a + compiler barrier in a UP compilation. (*) smp_mb__before_atomic();