From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEF1DC43603 for ; Tue, 10 Dec 2019 04:08:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8BDF42077B for ; Tue, 10 Dec 2019 04:08:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575950880; bh=H9rYx0czH4fQK/q1YmaxFub10EO4OctXx4sO0TWZeB0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=a/CYA6For5tl84cawwba68z2PWeqDK7abllomD2HgW4CXHtDYetvBEtZGZ1iRPcdX 3SCXmcugJHU07WFGuzJFimHaYUfUqSxMTgHJ71lsGQQF1RZCx8UO103v6bP0fDGY+P gWhmr/WoYCsYE5+R7O4MF8bLqk5iktp1brL9Ws7Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727178AbfLJEH7 (ORCPT ); Mon, 9 Dec 2019 23:07:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:43672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727067AbfLJEHv (ORCPT ); Mon, 9 Dec 2019 23:07:51 -0500 Received: from paulmck-ThinkPad-P72.home (199-192-87-166.static.wiline.com [199.192.87.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4164224656; Tue, 10 Dec 2019 04:07:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575950870; bh=H9rYx0czH4fQK/q1YmaxFub10EO4OctXx4sO0TWZeB0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XxBnAZhLKbD1s5lgC5Zev7uTqsm6TYubaVAbWLr0Tji4MWYJ6Qfipv2Twx9aC75hP EeRLgXENaTYHS+tDE638QObWBt/IQnNkvCk1S19fd3KFmH6B9WUqaUBd6iMA6Th2Jb RHRSxW4QYSK28htMHsVtbnrvarO0cpk0yNitELDY= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, 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, joel@joelfernandes.org, Will Deacon , "Paul E . McKenney" Subject: [PATCH tip/core/rcu 11/12] powerpc: Remove comment about read_barrier_depends() Date: Mon, 9 Dec 2019 20:07:40 -0800 Message-Id: <20191210040741.2943-11-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20191210040714.GA2715@paulmck-ThinkPad-P72> References: <20191210040714.GA2715@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Will Deacon 'read_barrier_depends()' doesn't exist anymore so stop talking about it. Signed-off-by: Will Deacon Acked-by: Michael Ellerman Signed-off-by: Paul E. McKenney --- arch/powerpc/include/asm/barrier.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index fbe8df4..123adce 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -18,8 +18,6 @@ * mb() prevents loads and stores being reordered across this point. * rmb() prevents loads being reordered across this point. * wmb() prevents stores being reordered across this point. - * read_barrier_depends() prevents data-dependent loads being reordered - * across this point (nop on PPC). * * *mb() variants without smp_ prefix must order all types of memory * operations with one another. sync is the only instruction sufficient -- 2.9.5