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=-10.1 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,USER_AGENT_GIT autolearn=unavailable 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 38E51C2BA19 for ; Wed, 15 Apr 2020 17:31:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DADC820857 for ; Wed, 15 Apr 2020 17:31:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586971874; bh=Utyg9ngIx0ziDdQ3mpsqWdXEIHJ4s2ZMjUBM8EJtyOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KjOiYyPiQR3aS7tD7yxykRCEBePWMekvIeiIk3CjGvWGbOpfjzjYe4vUaoPAPT4Pb 5o2lq6upIec9cMhVRHMzFSpaX+UTlumthbONLih8lOFppVdXaV0huXbjAdFKrc4rey VyWvXHQsK69QcNCRy+Wmj4w3i+S9ffNFzFBQHGdY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2411144AbgDORbN (ORCPT ); Wed, 15 Apr 2020 13:31:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:45734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2411102AbgDORbC (ORCPT ); Wed, 15 Apr 2020 13:31:02 -0400 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-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BE7F22076D; Wed, 15 Apr 2020 17:31:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586971862; bh=Utyg9ngIx0ziDdQ3mpsqWdXEIHJ4s2ZMjUBM8EJtyOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SzC0EPsOWpvCHvZxXMVJEgnfWqqP3WdYq5XDEAiHLbNuAgQPkqqKsbAji5Q8yQf31 n/KBKyhObpLNFxEoAza8XBaaKMIJpRzHBSUby8U6o5aL1PKFGLlfLMbFS/eQf92wJd DukB79Uw2uqcHsm1PrYSjQw/WbghHlGrmN7JGh5g= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 01/18] rcutorture: Add KCSAN stubs Date: Wed, 15 Apr 2020 10:30:43 -0700 Message-Id: <20200415173100.9927-1-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200415173037.GA9768@paulmck-ThinkPad-P72> References: <20200415173037.GA9768@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" This commit adds stubs for KCSAN's data_race(), ASSERT_EXCLUSIVE_WRITER(), and ASSERT_EXCLUSIVE_ACCESS() macros to allow code using these macros to move ahead. Signed-off-by: Paul E. McKenney --- kernel/rcu/rcutorture.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 5453bd5..7e2ea0c5 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -51,6 +51,18 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Paul E. McKenney and Josh Triplett "); +#ifndef data_race +#define data_race(expr) \ + ({ \ + expr; \ + }) +#endif +#ifndef ASSERT_EXCLUSIVE_WRITER +#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0) +#endif +#ifndef ASSERT_EXCLUSIVE_ACCESS +#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0) +#endif /* Bits for ->extendables field, extendables param, and related definitions. */ #define RCUTORTURE_RDR_SHIFT 8 /* Put SRCU index in upper bits. */ -- 2.9.5