From patchwork Thu Dec 31 19:07:51 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: 561917 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id A2A48140BAD for ; Fri, 1 Jan 2016 06:08:19 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754407AbbLaTIG (ORCPT ); Thu, 31 Dec 2015 14:08:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39021 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754371AbbLaTH7 (ORCPT ); Thu, 31 Dec 2015 14:07:59 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 19BDE42E5B0; Thu, 31 Dec 2015 19:07:59 +0000 (UTC) Received: from redhat.com (vpn1-7-165.ams2.redhat.com [10.36.7.165]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id tBVJ7pnE029863; Thu, 31 Dec 2015 14:07:52 -0500 Date: Thu, 31 Dec 2015 21:07:51 +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 , Andrey Konovalov , Andre Przywara Subject: [PATCH v2 16/32] arm64: define __smp_xxx Message-ID: <1451572003-2440-17-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 10.5.11.24 Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org This defines __smp_xxx barriers for arm64, for use by virtualization. smp_xxx barriers are removed as they are defined correctly by asm-generic/barriers.h Note: arm64 does not support !SMP config, so smp_xxx and __smp_xxx are always equivalent. Signed-off-by: Michael S. Tsirkin Acked-by: Arnd Bergmann --- arch/arm64/include/asm/barrier.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 91a43f4..dae5c49 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -35,11 +35,11 @@ #define dma_rmb() dmb(oshld) #define dma_wmb() dmb(oshst) -#define smp_mb() dmb(ish) -#define smp_rmb() dmb(ishld) -#define smp_wmb() dmb(ishst) +#define __smp_mb() dmb(ish) +#define __smp_rmb() dmb(ishld) +#define __smp_wmb() dmb(ishst) -#define smp_store_release(p, v) \ +#define __smp_store_release(p, v) \ do { \ compiletime_assert_atomic_type(*p); \ switch (sizeof(*p)) { \ @@ -62,7 +62,7 @@ do { \ } \ } while (0) -#define smp_load_acquire(p) \ +#define __smp_load_acquire(p) \ ({ \ union { typeof(*p) __val; char __c[1]; } __u; \ compiletime_assert_atomic_type(*p); \