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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D372CC433EF for ; Tue, 14 Dec 2021 22:05:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238082AbhLNWFp (ORCPT ); Tue, 14 Dec 2021 17:05:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237956AbhLNWEs (ORCPT ); Tue, 14 Dec 2021 17:04:48 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37CE1C061574 for ; Tue, 14 Dec 2021 14:04:48 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 284A9CE1AFD for ; Tue, 14 Dec 2021 22:04:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3386DC3462D; Tue, 14 Dec 2021 22:04:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1639519482; bh=zXMl1fQkzzBN0oZrE6JE6Mp3+PceheRu7zyV+QlJBmo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nnfGd9NjsTW8yNhydPLIW/LYnSF4TqpT9AkS8YwlERhNPy1Z/3WKVtAtRoc+y2O/P rpwB8W+Hniv4PrMKOB2cvi98wBVx6MmKJWe4a544MGcF8QYGM5mwfGHlzxMlY5h8iC LO8er9jIfFM2z3j3CBVSS2HhKK7IdaUt7V3wjzR7jHHLQbTI0sV/eLkShCWNDxB5Uo 3u4xlp9NzgjX4WVyhJuNbpw/EeWmB4055jaIXytUziLDi/o0RSF7rr5S8RxHbIenc4 RAZim2w/RZQ00JSOCOzeXgbr6mw9WDjgXYI0XdN1K7z4g0dWV+olQALM33+qjha2// IWJf5nNt152qg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 849335C1E8A; Tue, 14 Dec 2021 14:04:41 -0800 (PST) From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, kernel-team@fb.com, mingo@kernel.org Cc: elver@google.com, andreyknvl@google.com, glider@google.com, dvyukov@google.com, cai@lca.pw, boqun.feng@gmail.com, "Paul E . McKenney" Subject: [PATCH kcsan 22/29] objtool, kcsan: Add memory barrier instrumentation to whitelist Date: Tue, 14 Dec 2021 14:04:32 -0800 Message-Id: <20211214220439.2236564-22-paulmck@kernel.org> X-Mailer: git-send-email 2.31.1.189.g2e36527f23 In-Reply-To: <20211214220356.GA2236323@paulmck-ThinkPad-P17-Gen-1> References: <20211214220356.GA2236323@paulmck-ThinkPad-P17-Gen-1> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marco Elver Adds KCSAN's memory barrier instrumentation to objtool's uaccess whitelist. Signed-off-by: Marco Elver Signed-off-by: Paul E. McKenney --- tools/objtool/check.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 21735829b860c..61dfb66b30b64 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -849,6 +849,10 @@ static const char *uaccess_safe_builtin[] = { "__asan_report_store16_noabort", /* KCSAN */ "__kcsan_check_access", + "__kcsan_mb", + "__kcsan_wmb", + "__kcsan_rmb", + "__kcsan_release", "kcsan_found_watchpoint", "kcsan_setup_watchpoint", "kcsan_check_scoped_accesses", -- 2.31.1.189.g2e36527f23