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[209.132.180.67]) by mx.google.com with ESMTP id m76si12969036pfj.48.2018.12.11.08.02.57; Tue, 11 Dec 2018 08:03:12 -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; dkim=pass header.i=@google.com header.s=20161025 header.b=fH8wewH9; 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; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730926AbeLKQBX (ORCPT + 99 others); Tue, 11 Dec 2018 11:01:23 -0500 Received: from mail-it1-f194.google.com ([209.85.166.194]:39831 "EHLO mail-it1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730856AbeLKP5k (ORCPT ); Tue, 11 Dec 2018 10:57:40 -0500 Received: by mail-it1-f194.google.com with SMTP id a6so4581777itl.4 for ; Tue, 11 Dec 2018 07:57:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=a7GgIEdfZjoPzHXKjruKKF4bLDJm5C4iEVQoLgxYlNA=; b=fH8wewH9gmW8AIjXG6YvW2fWZybyPGueW2f9j6NdlkI3Z7ckHNTRhh1FJ6eIawfQic 9vGKLZP3xeEqyD4xNOnZBTlsbEKV+lD5egwUeZHOdL3PAmAdnXsxdfpZsUciZYOmBEMI AbooqmZp9PEpsHNoceG1/b+l2lQg6cZe1w82YxIEomS4n0b3Sb+jsVUjGa4MP50xfK+Y Jsihn+2y8LcLv0/YUn6Bxfh8Dv1RDipi/PRCJYfAz6btaSMsIpAvXjTVA1E1d9q+TdzZ Zqg5kWBek54CrgILRXCSWZBXQNIFeeEpeOxyncmdwOXbdciTJjxNfxut3FzYEx0IVBpv ba3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=a7GgIEdfZjoPzHXKjruKKF4bLDJm5C4iEVQoLgxYlNA=; b=ByhKdpPe6LX4xB46HJ9Gec+pLTiEtA4odZqlww28OnRXj5Y3X9ZDir6Mwr8VjiMbcX x5m/aY3sWoCPdGnUBOIuI6QCTmEIK+klpFkhIVb4y4UUyTN9/BODI2WczD9tYu55B+zF 5I77GnsODSAU7Q/qv2dui4tke3sngnX3mySPosZR5s5aA/crEKZQJqVsSxXumvpMORNN nga/eo5Cg03Qk5G1Ub+roV/6K5d9BOvajSBMFM1h9Hb6CEfH2Ei6XvB7o98oV+RDBvtA fuHmKipHKaNDlrhFLehehelc1htAdZW3VJSHUC3JDD7j6Z708x/8m3OCa6Xo2Bne5QZl ZaJw== X-Gm-Message-State: AA+aEWbm2EooVLtgldIxbpoREylgQ9mO+Atnl+ix7WqdWqc45Y9flbPx GF2mDLq6sweUTJSf5Cme0FmT1liz+SBEUeRnWAJMAg== X-Received: by 2002:a02:93c2:: with SMTP id z60mr14982400jah.51.1544543859038; Tue, 11 Dec 2018 07:57:39 -0800 (PST) MIME-Version: 1.0 References: <20181211151829.GB11718@edgewater-inn.cambridge.arm.com> In-Reply-To: <20181211151829.GB11718@edgewater-inn.cambridge.arm.com> From: Andrey Konovalov Date: Tue, 11 Dec 2018 16:57:27 +0100 Message-ID: Subject: Re: [PATCH v13 00/25] kasan: add software tag-based mode for arm64 To: Will Deacon 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 , "open list:DOCUMENTATION" , LKML , Linux ARM , linux-sparse@vger.kernel.org, Linux Memory Management List , Linux Kbuild mailing list , Kostya Serebryany , Evgenii Stepanov , Lee Smith , Ramana Radhakrishnan , Jacob Bramley , Ruben Ayrapetyan , Jann Horn , Mark Brand , Chintan Pandya , Vishwath Mohan 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 On Tue, Dec 11, 2018 at 4:18 PM Will Deacon wrote: > > 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 Hi Will, Yes, that was the intention of sending v13. Should have I sent a separate patch with v12->v13 fixes instead? I don't know what's the usual way to make changes to the patchset once it's in the mm tree. Thanks!