Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp772376imu; Tue, 11 Dec 2018 07:21:20 -0800 (PST) X-Google-Smtp-Source: AFSGD/Veq6JtYAgkFEKdsrza6wRNwtqbqvpRmqM1oy5wDia55pwDs9Uz1WCZC+EeSjcejOgfzG4Z X-Received: by 2002:a63:be4d:: with SMTP id g13mr15055776pgo.378.1544541680104; Tue, 11 Dec 2018 07:21:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544541680; cv=none; d=google.com; s=arc-20160816; b=dD+DJ7iiFz9zr3GrErus+zBqFU2W01Y4x/Cdp0ZDGpYYL6Mc2YGZgJAOago1FdpPW6 DpiJKUSDPyN5Lyn+Pe4u+X/tCNumn31bS37OarhadtI7NmdGb2VNPPlbfmcYyJ6LzaBV tdNsKyB6HLQMUrewS/AHW26oxNxfqoniMgz8nj52q+xjg3XbmQLDrtwUcAyroIMpKffl I0kTNzIPvKTivWoC40BUA0iQjd/g/uG0r5C+xjLyL+B25n5oUWGjeh/I1mFKlR2fXOr1 gRCVqBzY9GLhLIJP5IeMxXJvnbjrP3rgzjInet73sck2vCQChm1r+acXH8IXUVNWeRzH AXZw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=cjWybEugw0i+i7BnnQvXv3ZwDWLva4NfKdqJanD57y4=; b=UiYCwnKPw3+AT7Yi0QEfK6x35s9inHLr5cpKWhI1s+G8SYMbXLYQCBgkRAVAS+YO0C nHiLqXSaiG0grHM7zP++BduKacFnFIwc0rY9PX5jihUqjD2kP98JgyjS62M98QucOUU9 2q9FHpdMZA2f7CS/aRkHkhf6aZvy1ph1tv0ea90dyZcRHIj/tA6vlqB2tdgkRjDY/3Xb hWB/ZVaMlIJWcYus4fhup++Ld76HfG9WMBEJHvYvnc9DxB4hF9fJ76EXDu8v8WLqkCwU ij0jCbTB8ly9PeQMH2Y+ir4gncXJ2UCCzMh1Qtym1K9iUIpbvLIbbZZLU0qI5WG2jvvT I7Mw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p11si11787892pgb.219.2018.12.11.07.21.04; Tue, 11 Dec 2018 07:21:20 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726886AbeLKPSK (ORCPT + 99 others); Tue, 11 Dec 2018 10:18:10 -0500 Received: from foss.arm.com ([217.140.101.70]:49600 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726672AbeLKPSI (ORCPT ); Tue, 11 Dec 2018 10:18:08 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8293F1596; Tue, 11 Dec 2018 07:18:07 -0800 (PST) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4FC8C3F575; Tue, 11 Dec 2018 07:18:07 -0800 (PST) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 572D31AE0CE1; Tue, 11 Dec 2018 15:18:30 +0000 (GMT) Date: Tue, 11 Dec 2018 15:18:30 +0000 From: Will Deacon To: Andrey Konovalov Cc: Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Catalin Marinas , Christoph Lameter , Andrew Morton , Mark Rutland , Nick Desaulniers , Marc Zyngier , Dave Martin , Ard Biesheuvel , "Eric W . Biederman" , Ingo Molnar , Paul Lawrence , Geert Uytterhoeven , Arnd Bergmann , "Kirill A . Shutemov" , Greg Kroah-Hartman , Kate Stewart , Mike Rapoport , kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sparse@vger.kernel.org, linux-mm@kvack.org, linux-kbuild@vger.kernel.org, Kostya Serebryany , Evgeniy Stepanov , Lee Smith , Ramana Radhakrishnan , Jacob Bramley , Ruben Ayrapetyan , Jann Horn , Mark Brand , Chintan Pandya , Vishwath Mohan Subject: Re: [PATCH v13 00/25] kasan: add software tag-based mode for arm64 Message-ID: <20181211151829.GB11718@edgewater-inn.cambridge.arm.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.1+30 (d10eec459b35) () Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrey, On Thu, Dec 06, 2018 at 01:24:18PM +0100, Andrey Konovalov wrote: > This patchset adds a new software tag-based mode to KASAN [1]. > (Initially this mode was called KHWASAN, but it got renamed, > see the naming rationale at the end of this section). > > The plan is to implement HWASan [2] for the kernel with the incentive, > that it's going to have comparable to KASAN performance, but in the same > time consume much less memory, trading that off for somewhat imprecise > bug detection and being supported only for arm64. For the arm64 parts: Acked-by: Will Deacon I assume that you plan to replace the current patches in -mm with this series? Cheers, Will