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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 2412EC433E2 for ; Mon, 31 Aug 2020 18:18:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E89272071B for ; Mon, 31 Aug 2020 18:18:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598897899; bh=kn4a4eecMtJj2Z5DiTMtbFxEcnjYmSoEoMQiSwT9L2k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=g6JRYs7ANB8L1iFq5lnT4j+HH2Xb+LRMZcVA82FCflYC4B3lQFeOSarY8B0SExRVX OToEcRnc+GQo6aT9GhQUoZiu/lPQBfPSlk+ZpVxcVc14CYcTFmv5edcMdUEA474xun a/9++7jXzb3c47LYdZzEA46gT0e/CrwoY03AwyKM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729592AbgHaSSM (ORCPT ); Mon, 31 Aug 2020 14:18:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:51648 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729390AbgHaSSH (ORCPT ); Mon, 31 Aug 2020 14:18:07 -0400 Received: from paulmck-ThinkPad-P72.home (unknown [50.45.173.55]) (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 F1383208DB; Mon, 31 Aug 2020 18:18:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598897887; bh=kn4a4eecMtJj2Z5DiTMtbFxEcnjYmSoEoMQiSwT9L2k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bU7A0k8F9Byj1RiyxAEESz+Pa7Iyhjlt/j3evzuafytReytYsXq+P+jyCGLV6j5eC rjjD1zewoj3uFZGVYJcxuflLxtMqSnfx9LFrM5KV8ArH+Qo4y3yC/hAfi5DJ4U5Sfo 41uGpdsqy7CEQLDLi29oyLbO5hAjX18OHBl1Rkqs= From: paulmck@kernel.org 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, Josh Poimboeuf , "Paul E . McKenney" Subject: [PATCH kcsan 05/19] objtool, kcsan: Add __tsan_read_write to uaccess whitelist Date: Mon, 31 Aug 2020 11:17:51 -0700 Message-Id: <20200831181805.1833-5-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200831181715.GA1530@paulmck-ThinkPad-P72> References: <20200831181715.GA1530@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marco Elver Adds the new __tsan_read_write compound instrumentation to objtool's uaccess whitelist. Acked-by: Peter Zijlstra (Intel) Cc: Josh Poimboeuf Signed-off-by: Marco Elver Signed-off-by: Paul E. McKenney --- tools/objtool/check.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 7546a9d..5eee156 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -528,6 +528,11 @@ static const char *uaccess_safe_builtin[] = { "__tsan_write4", "__tsan_write8", "__tsan_write16", + "__tsan_read_write1", + "__tsan_read_write2", + "__tsan_read_write4", + "__tsan_read_write8", + "__tsan_read_write16", "__tsan_atomic8_load", "__tsan_atomic16_load", "__tsan_atomic32_load", -- 2.9.5