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=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 3588DC6377B for ; Wed, 21 Jul 2021 21:07:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16A8B613CF for ; Wed, 21 Jul 2021 21:07:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229897AbhGUU0v (ORCPT ); Wed, 21 Jul 2021 16:26:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:35594 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229453AbhGUU0u (ORCPT ); Wed, 21 Jul 2021 16:26:50 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D81AD613E4; Wed, 21 Jul 2021 21:07:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626901646; bh=jY2gLD2yZrkJGS1/aaLZf6sXBdRM4OoSPuXXjktVwqo=; h=Date:From:To:Cc:Subject:Reply-To:From; b=OwUN9pWXpcFfXke4y80+852IR9NaOnEnwMgs2GiuFcgyjc2MmCS3YMIYI6hnaOnoP 0tJsKxp93roVR5L7+8BlHLjX8ZdxA2DF9ofcjCl54Dl0pwByftGCnNETYvH+Igl6OW 4EXWSsXypxTRnMDFZORZn6eFuK5kFyhs0LHUYh9Ly4JpjoWAlykTP0H73qNLlSR9MI fKapK0pWEDwuHASlbPMLD8rB9sS1nDk/bfmWVGbwLCplhVzbHcJJMZPtclgECbZ73y PW33/o/hHwh7k307kwyeU2m61U2RYws0dUWbt4wTj42IzNej+VuvVy+gPb+IBD5nUR RXPozB/U/SoPQ== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 970AC5C09A4; Wed, 21 Jul 2021 14:07:26 -0700 (PDT) Date: Wed, 21 Jul 2021 14:07:26 -0700 From: "Paul E. McKenney" 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 Subject: [PATCH kcsan 0/8] KCSAN updates for v5.15 Message-ID: <20210721210726.GA828672@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series contains KCSAN updates: 1. Improve some Kconfig comments, courtesy of Marco Elver. 2. Remove CONFIG_KCSAN_DEBUG, courtesy of Marco Elver. 3. Introduce CONFIG_KCSAN_STRICT, courtesy of Marco Elver. 4. Reduce get_ctx() uses in kcsan_found_watchpoint(), courtesy of Marco Elver. 5. Rework atomic.h into permissive.h, courtesy of Marco Elver. 6. Print if strict or non-strict during init, courtesy of Marco Elver. 7. permissive: Ignore data-racy 1-bit value changes, courtesy of Marco Elver. 8. Make strict mode imply interruptible watchers, courtesy of Marco Elver. Thanx, Paul ------------------------------------------------------------------------ Documentation/dev-tools/kcsan.rst | 8 ++++ b/Documentation/dev-tools/kcsan.rst | 4 ++ b/kernel/kcsan/core.c | 9 ---- b/kernel/kcsan/kcsan_test.c | 32 ++++++++++++++++ b/kernel/kcsan/permissive.h | 47 ++++++++++++++++++++++++ b/lib/Kconfig.kcsan | 16 ++++---- kernel/kcsan/atomic.h | 23 ------------ kernel/kcsan/core.c | 68 +++++++++++++++++++++++++----------- kernel/kcsan/permissive.h | 49 +++++++++++++++++++++++++ lib/Kconfig.kcsan | 26 +++++++++++-- 10 files changed, 218 insertions(+), 64 deletions(-)