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=-17.4 required=3.0 tests=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=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 D2825C54FCB for ; Fri, 24 Apr 2020 15:47:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96A4220767 for ; Fri, 24 Apr 2020 15:47:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vCckSVmY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728348AbgDXPrq (ORCPT ); Fri, 24 Apr 2020 11:47:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726301AbgDXPrq (ORCPT ); Fri, 24 Apr 2020 11:47:46 -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 B1788C09B046 for ; Fri, 24 Apr 2020 08:47:44 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id w15so10451018ybp.16 for ; Fri, 24 Apr 2020 08:47:44 -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=oVv3oHwxIfr4RsJUouPNW2RXip7ts7Rm/qpNl5CFftM=; b=vCckSVmYqEhUBfuiNhMPfNxAj3Weqd7vBOJ8YENvroGbwb1o28+BjmHu0TZYvyJKjs kIsDh4ZLgvnnXxR85JIfeNfaUd/uEN1U3eY3nAGd68C1cEWWbCS/WyeZouZW12TjQBYB Jzyjds69PiMAxtiymZ0j3qwv4aowC3SQqwBJrDkNBpKiUXt2ASvR0f31Pzeart2LcfIw hs3c9gGhtEkwrSqSUoZaWQnxFIoi3XR2dZTCMr922HKUiS4KQSTAjTDB69mfHTkI0daD goWCDDwEv242fCI4tPPPU1kBlxP6fWaLpWJ8k9nYjOtPS59thqPgvVdPrWji6QIPbtrW cBfQ== 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=oVv3oHwxIfr4RsJUouPNW2RXip7ts7Rm/qpNl5CFftM=; b=FcOyhOP5dE5TzEZ5crmKDIvpiGAS9QSHCZkYtamFWMH0QohkfJoqhdW/PjhlkQWUsW /w4D9EslAwNTxZcDtnoemi81neasvuM3Qbb1WK6ixQ0bYIto6JUsFFnDH+ONRmyGzNzT mzQPgfFW42RmueRIPqQrppMDPARow7djZHIK7pQIIz4vn5+aULgdwPEgq5pmqLvPQFmZ 0RV7T1Lb2jFC/sDTMfnd2nsnD+ZK/IlecFj6H4teDtVs8kbvNCCb2Cv3oDOVhK/WP7ef K6urkJatjCult25nVxuCFW7ZVXBfEQwWAkFkKzAXAMWmQMfDNte3h3Ii5bO18AzIgLWH XKQA== X-Gm-Message-State: AGi0PuYft5jlYqxDo6HKT4/orhxD9z5/07dRiSdolgZ3r4KKAQcyqVaZ lIrMH98f3iXHM3pWeGVn3VOwJeE8kA== X-Google-Smtp-Source: APiQypIu+bAY3rvbZTmH6gM7XgOIMYp0r3KGjFX++a6TN+a96r7kWKfhpQ7M+w87QCShYgNuzRzDliUnmw== X-Received: by 2002:a25:dd81:: with SMTP id u123mr9210131ybg.109.1587743263914; Fri, 24 Apr 2020 08:47:43 -0700 (PDT) Date: Fri, 24 Apr 2020 17:47:30 +0200 In-Reply-To: <20200424154730.190041-1-elver@google.com> Message-Id: <20200424154730.190041-2-elver@google.com> Mime-Version: 1.0 References: <20200424154730.190041-1-elver@google.com> X-Mailer: git-send-email 2.26.2.303.gf8c07b1a785-goog Subject: [PATCH 2/2] objtool, kcsan: Add kcsan_disable_current() and kcsan_enable_current_nowarn() From: Marco Elver To: elver@google.com Cc: paulmck@kernel.org, dvyukov@google.com, glider@google.com, andreyknvl@google.com, will@kernel.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, jpoimboe@redhat.com, peterz@infradead.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 Both are safe to be called from uaccess contexts. Signed-off-by: Marco Elver --- tools/objtool/check.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 70e721002743..a22272c819f3 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -482,6 +482,8 @@ static const char *uaccess_safe_builtin[] = { "kcsan_found_watchpoint", "kcsan_setup_watchpoint", "kcsan_check_scoped_accesses", + "kcsan_disable_current", + "kcsan_enable_current_nowarn", /* KCSAN/TSAN */ "__tsan_func_entry", "__tsan_func_exit", -- 2.26.2.303.gf8c07b1a785-goog