From patchwork Thu Dec 31 19:06:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 7936891 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2C760BEEE5 for ; Thu, 31 Dec 2015 19:07:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 71A85204AD for ; Thu, 31 Dec 2015 19:07:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFE1F204AF for ; Thu, 31 Dec 2015 19:07:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751711AbbLaTHL (ORCPT ); Thu, 31 Dec 2015 14:07:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51171 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751483AbbLaTHE (ORCPT ); Thu, 31 Dec 2015 14:07:04 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id 960BF8E229; Thu, 31 Dec 2015 19:07:02 +0000 (UTC) Received: from redhat.com (vpn1-7-165.ams2.redhat.com [10.36.7.165]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id tBVJ6sKT004256; Thu, 31 Dec 2015 14:06:55 -0500 Date: Thu, 31 Dec 2015 21:06:54 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Arnd Bergmann , linux-arch@vger.kernel.org, Andrew Cooper , virtualization@lists.linux-foundation.org, Stefano Stabellini , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , David Miller , linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, x86@kernel.org, user-mode-linux-devel@lists.sourceforge.net, adi-buildroot-devel@lists.sourceforge.net, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, xen-devel@lists.xenproject.org, Catalin Marinas , Will Deacon , Ingo Molnar , Andre Przywara , Andrey Konovalov Subject: [PATCH v2 09/32] arm64: reuse asm-generic/barrier.h Message-ID: <1451572003-2440-10-git-send-email-mst@redhat.com> References: <1451572003-2440-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1451572003-2440-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On arm64 nop, read_barrier_depends, smp_read_barrier_depends smp_store_mb(), smp_mb__before_atomic and smp_mb__after_atomic match the asm-generic variants exactly. Drop the local definitions and pull in asm-generic/barrier.h instead. This is in preparation to refactoring this code area. Signed-off-by: Michael S. Tsirkin Acked-by: Arnd Bergmann --- arch/arm64/include/asm/barrier.h | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 9622eb4..91a43f4 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -91,14 +91,7 @@ do { \ __u.__val; \ }) -#define read_barrier_depends() do { } while(0) -#define smp_read_barrier_depends() do { } while(0) - -#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0) -#define nop() asm volatile("nop"); - -#define smp_mb__before_atomic() smp_mb() -#define smp_mb__after_atomic() smp_mb() +#include #endif /* __ASSEMBLY__ */