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=-8.6 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,URIBL_BLOCKED,USER_AGENT_SANE_1 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 5FC3AC432C0 for ; Tue, 26 Nov 2019 22:24:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26DDC206CC for ; Tue, 26 Nov 2019 22:24:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574807071; bh=QAX5ZkLqeX3XIqm05M7wJBsdoBGFDQs4mnX4cJBY7ro=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=nFDh6RQvoyljlt+aqur9fiW66JoUZm+aSpiie5IKGDXVckQemF9ep5Xx0dnWAMaaV PMdIwyA6I2YoSCdYWW2ZG3T0fIip15BEjo2L4X3k801Vytsogr1o0rUZE1uq0KG2Av EH87UAJtTHj4eNaB+zyBUwkQ4XFJsdVDjWJUFy9Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726987AbfKZWYa (ORCPT ); Tue, 26 Nov 2019 17:24:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:49398 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726103AbfKZWYa (ORCPT ); Tue, 26 Nov 2019 17:24:30 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2B91320678; Tue, 26 Nov 2019 22:24:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574807069; bh=QAX5ZkLqeX3XIqm05M7wJBsdoBGFDQs4mnX4cJBY7ro=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=rd+Kt9pqSWX0e2SmWjaCIO6Gx/9U6YpAHGSBhthMDJGyAzRfTqHpwgrlUFg4rDMyi XRaPahjt4sjlaFlvy+yog9Jcdq/pd1myAYu5UVPboOix5/wBySHDhvEwCBbXq/Qbgv TPJCMVzYH0edjHzllovHWLkhDf1gJAvacTZy64Ss= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id E883235227AB; Tue, 26 Nov 2019 14:24:28 -0800 (PST) Date: Tue, 26 Nov 2019 14:24:28 -0800 From: "Paul E. McKenney" To: Michael Ellerman Cc: Will Deacon , linux-kernel@vger.kernel.org, Yunjae Lee , SeongJae Park , Josh Triplett , Matt Turner , Ivan Kokshaysky , Richard Henderson , Peter Zijlstra , Alan Stern , "Michael S. Tsirkin" , Jason Wang , Arnd Bergmann , Joe Perches , Boqun Feng , linux-alpha@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH 11/13] powerpc: Remove comment about read_barrier_depends() Message-ID: <20191126222428.GX2889@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20191108170120.22331-1-will@kernel.org> <20191108170120.22331-12-will@kernel.org> <87imnebzpb.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87imnebzpb.fsf@mpe.ellerman.id.au> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 20, 2019 at 09:37:52PM +1100, Michael Ellerman wrote: > Will Deacon writes: > > 'read_barrier_depends()' doesn't exist anymore so stop talking about it. > > > > Signed-off-by: Will Deacon > > --- > > 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 fbe8df433019..123adcefd40f 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). > > Acked-by: Michael Ellerman Queued for v5.6, thank you both! Thanx, Paul