From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-13.3 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id B95D77D922 for ; Thu, 13 Jun 2019 15:20:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732432AbfFMPTw (ORCPT ); Thu, 13 Jun 2019 11:19:52 -0400 Received: from mail-qk1-f202.google.com ([209.85.222.202]:47667 "EHLO mail-qk1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732122AbfFMNAH (ORCPT ); Thu, 13 Jun 2019 09:00:07 -0400 Received: by mail-qk1-f202.google.com with SMTP id l185so16505791qkd.14 for ; Thu, 13 Jun 2019 06:00:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=50HPP5ae9Rk5gHtTtValAbuIThOVqS9Fd5PO1+T5JvA=; b=WxypDLVbBAfE13MFgePdX+CWOGBL59QQhxucPOnfUn9bEFOjXnolus3qQ8ZmWtCw6s SCrpFyB3fT9ag/8PqR13C9ZauaEIPUCXzuHQ/AcvW3HxtFZ2Fd4wz6yArHaJr4le5KOR iQuXgd2bXp4vOS8Pj+qPboTPmSxSIMAJzVcCnHAxlXFRZHjn9rrCge/EoM5iRfM45K83 4cben+VtMPlxkjL1u67eNT/nJTF3/yxpqlfpt5IXwlNEbgEoATAvEQwDksYF+oO5Y9G9 UCJSUmeZ7t010NxVYRKCf9OFL23jYvoEFVGasvZ+HHAp3DdQG+U5WvX8FCL0UigmvNC5 gLVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=50HPP5ae9Rk5gHtTtValAbuIThOVqS9Fd5PO1+T5JvA=; b=RvVy7s/WsY2gg2Wsn2C6fghU9gukK76faxZV3aoM+tT40jkpFOqzDP3kjvvyH1ixVC YNDmhcffr8vEi9oA+h/AVHi2wTbOOEV0x54zttTa5knUD6SxyY5/eFJ1dKHPjuPXQW1H 3e/wZ3/AGOHil8i9wTAZRLNBGMILvAUBQWk3zI2bJBrI4+tzh8DjwpMdbBdL/I6d24bE bJOWk3vzNPFLKcboYKR9aM+0kBFlpEHomVJU6iPK+F5Yb1lfQi3FAZGQYgIxsEiYEJry Cdx9NTljonfP8HNITlQ03YIj8P2dGI9N30m6exbMtpOKw4TYhsY7Rfp/lQELBllMMOow /9Tg== X-Gm-Message-State: APjAAAWAcSTfMy4rynhPkBagmnLwbVCYiTJQLEXrerU/8ClpX8hIJgcL +EL/Qtz8OCnxeRsQiWqIg2jrbcTpEw== X-Google-Smtp-Source: APXvYqzMkxBs2cDN549gJpNFEb8lpj4AX3cyY+ueGUnHE4yMbW8XALFC1E3Hn6oiEp+TEpASzS75KmyzTg== X-Received: by 2002:a05:620a:624:: with SMTP id 4mr71498850qkv.15.1560430805871; Thu, 13 Jun 2019 06:00:05 -0700 (PDT) Date: Thu, 13 Jun 2019 14:59:47 +0200 Message-Id: <20190613125950.197667-1-elver@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.22.0.rc2.383.gf4fbbf30c2-goog Subject: [PATCH v5 0/3] Bitops instrumentation for KASAN From: Marco Elver To: peterz@infradead.org, aryabinin@virtuozzo.com, dvyukov@google.com, glider@google.com, andreyknvl@google.com, mark.rutland@arm.com, hpa@zytor.com Cc: corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, arnd@arndb.de, jpoimboe@redhat.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, kasan-dev@googlegroups.com, Marco Elver Content-Type: text/plain; charset="UTF-8" Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Previous version: http://lkml.kernel.org/r/20190613123028.179447-1-elver@google.com * Only changed lib/test_kasan in this version. Marco Elver (3): lib/test_kasan: Add bitops tests x86: Use static_cpu_has in uaccess region to avoid instrumentation asm-generic, x86: Add bitops instrumentation for KASAN Documentation/core-api/kernel-api.rst | 2 +- arch/x86/ia32/ia32_signal.c | 2 +- arch/x86/include/asm/bitops.h | 189 ++++------------ arch/x86/kernel/signal.c | 2 +- include/asm-generic/bitops-instrumented.h | 263 ++++++++++++++++++++++ lib/test_kasan.c | 81 ++++++- 6 files changed, 382 insertions(+), 157 deletions(-) create mode 100644 include/asm-generic/bitops-instrumented.h -- 2.22.0.rc2.383.gf4fbbf30c2-goog