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, 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 42E8AC433E2 for ; Tue, 21 Jul 2020 10:30:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D98A20771 for ; Tue, 21 Jul 2020 10:30:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="aftcNk8G" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729254AbgGUKao (ORCPT ); Tue, 21 Jul 2020 06:30:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729168AbgGUKag (ORCPT ); Tue, 21 Jul 2020 06:30:36 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CA39C0619D8 for ; Tue, 21 Jul 2020 03:30:36 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id d202so25089950ybh.12 for ; Tue, 21 Jul 2020 03:30:36 -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=cPjmWgpWaY+rWzHjnAp20s8iFiM+s5JoLN5MYOTYnFA=; b=aftcNk8G6lu8fp6r5Y9h/eIuz+ESZ+QLzM95HKYPu/yD3X2lSvc9rOwiS7ZKhAing4 yWp6omCuSFKxvk9F/F2V+0kpOCtCZqpDNonEFobTdTCwxCvTd/iKYAfClTBxOO3ukwvI puoGl4ZhkEpWNKr0YYQYrfO9Ej6kldPpIZx1BURFXJhJH0yT7oDSyrcyDQ5WES7/sq5m +jgb/bDUVdoByDvVqKTQH7jqFyjJYhOAoEU0onxFfDouwvAp+ZzJxoFKYcxFhWPNITpQ pGh/hZOFElKkGtGavdtJ+hcnhIqEW2vqFqzKklLa2WS1+R6pprVkk1eueJlX3o4ct3Zo Pw6g== 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=cPjmWgpWaY+rWzHjnAp20s8iFiM+s5JoLN5MYOTYnFA=; b=GPIRUIQrOqnRnfud6EgA7cnoqbXuTih4yjpvU09b17egXaLWSt0E+Przx3qkTuBcIF taiuZEFzNGOHs0+Us+/xSChYlE/565QPLm1v14wzIybT5aMPYgiP+xkXmAMZTedN92QR Ue/4MeLzuiAW9p2FuMFV+5zfysYjp3TUrCLxS9VrGxC0fKT/aY8Zan4OqElhtTNykPDH OjR0x3XfGy9FPN8zsh+wANBKYuYt8juhwuEK2GSO02EkekCQCoQE+bsTCsp3R8MyOyrJ QzmCHzLwqrNiWnFyOellQ4viYdild5TbcMXpWFn9h+PTLL15/Mkh8hVQTA6+Lzr8Ul4Z zNxw== X-Gm-Message-State: AOAM530lr86wF4mNGtxyw0VcceUAHmTVrmPisS2p9po9gks+HdL/gaDv FBqvA94atXa0AOC6khY4duemzyqGoQ== X-Google-Smtp-Source: ABdhPJycd+24DGl11kCvcTJxpCv+cod2nuTGCYXZlnMMqzBV6OdnBQaaHt2pvLcJWUMkw/5HJwrTrZv2dA== X-Received: by 2002:a25:a088:: with SMTP id y8mr29898149ybh.253.1595327435352; Tue, 21 Jul 2020 03:30:35 -0700 (PDT) Date: Tue, 21 Jul 2020 12:30:10 +0200 In-Reply-To: <20200721103016.3287832-1-elver@google.com> Message-Id: <20200721103016.3287832-3-elver@google.com> Mime-Version: 1.0 References: <20200721103016.3287832-1-elver@google.com> X-Mailer: git-send-email 2.28.0.rc0.105.gf9edc3c819-goog Subject: [PATCH 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 --- 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.rc0.105.gf9edc3c819-goog