From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marco Elver Subject: [PATCH 2/8] objtool, kcsan: Add __tsan_read_write to uaccess whitelist Date: Tue, 21 Jul 2020 12:30:10 +0200 Message-ID: <20200721103016.3287832-3-elver@google.com> References: <20200721103016.3287832-1-elver@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729164AbgGUKag (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 2A96CC061794 for ; Tue, 21 Jul 2020 03:30:36 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id e81so25057470ybb.3 for ; Tue, 21 Jul 2020 03:30:36 -0700 (PDT) In-Reply-To: <20200721103016.3287832-1-elver@google.com> Sender: linux-arch-owner@vger.kernel.org List-ID: 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 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