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=-20.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 97294C433E4 for ; Fri, 24 Jul 2020 07:00:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 722F92073E for ; Fri, 24 Jul 2020 07:00:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="czFkbnvr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726947AbgGXHAb (ORCPT ); Fri, 24 Jul 2020 03:00:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726890AbgGXHA1 (ORCPT ); Fri, 24 Jul 2020 03:00:27 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91883C0619E4 for ; Fri, 24 Jul 2020 00:00:27 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id p22so9375743ybg.21 for ; Fri, 24 Jul 2020 00:00:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=0nD1NJT1E7A4DlzwAlOASLTDllp8VUp9XPKXYyHjpfM=; b=czFkbnvrkhD76NHSws41sMDCTxgzqF4NUtYqvOal9OiJFngYtr/ek7QpXttpY7ERlE na7VNX2J8BeOixv6OeudGf79msfYeIrQbEZvnm0Zt1gUs5w8dNkw9fexIadvhC/zIBKU /2u9enStJuiVh9a0//GeLOG1ql4bBbjS0nGdBVbNP6ERD+BIzgO2t7km+oLLcrjrDQBT /yx+tAprubS17VmMI+ZPRjjB/U1Arso81ZXnDpuIE9M6mayhhmRkbxfhhumGzYop6T8E kgG9A17jLBXAe9sV3damrIOeyvVmL0a4n7pa6n3/iB30SjvELYXZQnWSU8GajaiG6J2K QKDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=0nD1NJT1E7A4DlzwAlOASLTDllp8VUp9XPKXYyHjpfM=; b=cA0iGGlZhbGnDwOREhF47RuW1n5X6HaIMcR3YFZDuUqRNT5CHb9n6XotECaCC6xc0j tjNG9Ra+gSwDHybR+kksHTCaJeolvbQamtt/8O6uMgK5GgacjFC3VKVGlFkFq+W4EeyE rHZeKk90CjqGAnhAQ+Cl3d7fDiaMrvUL3PH2h56fwf4WWqtAzNME2L2zQLHi+aVfhK12 2nJuruY7VyNm5wTpnAy/ISLTnnsgH0j056YX/HRYtBim46CLQeVDXpA4b4mcap0ngUBD sjLG4ik0zHVY+Z3YDkveKn6Ao5mI4g2cU9TUuhocKzkb1Y1hyKVtVSapdB2XjjN14v9P TBdw== X-Gm-Message-State: AOAM530vw7vB3F6Mc92V2cGFvejbJ/IGFZYm44QbSCy3T/Md2TPdrzS/ 6wNlvr5bmSVt9JkMwLxuU54WgMOpiw== X-Google-Smtp-Source: ABdhPJzDxJEzx4Y+FCLzY4PFc4lU72XMxtkcxi6vvnclrqEX93bbRRECahnQzMVJw3WrrzZJ8ux651pF2Q== X-Received: by 2002:a25:9c06:: with SMTP id c6mr12958040ybo.403.1595574026740; Fri, 24 Jul 2020 00:00:26 -0700 (PDT) Date: Fri, 24 Jul 2020 09:00:02 +0200 In-Reply-To: <20200724070008.1389205-1-elver@google.com> Message-Id: <20200724070008.1389205-3-elver@google.com> Mime-Version: 1.0 References: <20200724070008.1389205-1-elver@google.com> X-Mailer: git-send-email 2.28.0.rc0.142.g3c755180ce-goog Subject: [PATCH v2 2/8] objtool, kcsan: Add __tsan_read_write to uaccess whitelist From: Marco Elver To: elver@google.com, paulmck@kernel.org Cc: will@kernel.org, peterz@infradead.org, arnd@arndb.de, mark.rutland@arm.com, dvyukov@google.com, glider@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adds the new __tsan_read_write compound instrumentation to objtool's uaccess whitelist. Signed-off-by: Marco Elver Acked-by: Peter Zijlstra (Intel) --- tools/objtool/check.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 63d8b630c67a..38d82e705c93 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", -- 2.28.0.rc0.142.g3c755180ce-goog