From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751459AbcBJXd4 (ORCPT ); Wed, 10 Feb 2016 18:33:56 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:34790 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751051AbcBJXdm (ORCPT ); Wed, 10 Feb 2016 18:33:42 -0500 From: Alfredo Alvarez Fernandez X-Google-Original-From: Alfredo Alvarez Fernandez To: mingo@redhat.com, peterz@infradead.org, sasha.levin@oracle.com Cc: linux-kernel@vger.kernel.org, Alfredo Alvarez Fernandez Subject: [PATCH 1/3] tools/liblockdep: add userspace version of READ_ONCE Date: Thu, 11 Feb 2016 00:33:30 +0100 Message-Id: <1455147212-2389-2-git-send-email-alfredoalvarezernandez@gmail.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1455147212-2389-1-git-send-email-alfredoalvarezernandez@gmail.com> References: <1455147212-2389-1-git-send-email-alfredoalvarezernandez@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alfredo Alvarez Fernandez This was added to the kernel code in 1658d35ead5d ("list: Use READ_ONCE() when testing for empty lists") There's nothing special we need to do about it in userspace. Signed-off-by: Alfredo Alvarez Fernandez --- tools/lib/lockdep/uinclude/linux/compiler.h | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/lib/lockdep/uinclude/linux/compiler.h b/tools/lib/lockdep/uinclude/linux/compiler.h index 6386dc3..fd3e56a 100644 --- a/tools/lib/lockdep/uinclude/linux/compiler.h +++ b/tools/lib/lockdep/uinclude/linux/compiler.h @@ -3,6 +3,7 @@ #define __used __attribute__((__unused__)) #define unlikely +#define READ_ONCE(x) (x) #define WRITE_ONCE(x, val) x=(val) #define RCU_INIT_POINTER(p, v) p=(v) -- 2.5.0