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=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 C8C04C432C0 for ; Wed, 20 Nov 2019 10:38:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9E8A222429 for ; Wed, 20 Nov 2019 10:38:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="rRRCPct7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728772AbfKTKiC (ORCPT ); Wed, 20 Nov 2019 05:38:02 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:58827 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728616AbfKTKiC (ORCPT ); Wed, 20 Nov 2019 05:38:02 -0500 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 47Hzfp2kJlz9sPc; Wed, 20 Nov 2019 21:37:54 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1574246278; bh=3p1/+Y2XGImhWJp2Nfr1Vtn9hbxxW6xCuiO/qlCWHs8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=rRRCPct7qxNjUoAWjW+qjiY8Kr3Tw3xNCLARmyKqEVyL++OKOBFQIJamuKslc0nbo ZbfwIM3mtOBt0P5b1BPx1hd8ea3qB7nXXlIUjCBwq55BHhkEsiYXW0SXEUy1hSxZRG kzq9gZZOYdY5PQQpTmZVSW8UKRV/ENRAOwNibjCo7M4XgZrbk6oHYO1hCmftgt5el4 hgIkt5tj1sDdv2h4MRNYO4VF0OR5fRbpkWD9HaxhR81lLDChjbUl4D3IQ+l2cbl5d/ bwmb8hjNZt/PcpvEcjt0VG1nBWGFp8wr9tyiJiT0/YN4zp/7RinHLSE7+CkjcEIhlN fgIV931xHcIGw== From: Michael Ellerman To: Will Deacon , linux-kernel@vger.kernel.org Cc: Will Deacon , Yunjae Lee , SeongJae Park , "Paul E. McKenney" , 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() In-Reply-To: <20191108170120.22331-12-will@kernel.org> References: <20191108170120.22331-1-will@kernel.org> <20191108170120.22331-12-will@kernel.org> Date: Wed, 20 Nov 2019 21:37:52 +1100 Message-ID: <87imnebzpb.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 cheers