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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B9F3C433F5 for ; Wed, 16 Feb 2022 16:20:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A21076B0074; Wed, 16 Feb 2022 11:20:05 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9D11D6B0075; Wed, 16 Feb 2022 11:20:05 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8715B6B0078; Wed, 16 Feb 2022 11:20:05 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.a.hostedemail.com [64.99.140.24]) by kanga.kvack.org (Postfix) with ESMTP id 7402D6B0074 for ; Wed, 16 Feb 2022 11:20:05 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 38ADF22D82 for ; Wed, 16 Feb 2022 16:20:05 +0000 (UTC) X-FDA: 79149154770.04.97C9816 Received: from mail-pg1-f182.google.com (mail-pg1-f182.google.com [209.85.215.182]) by imf25.hostedemail.com (Postfix) with ESMTP id B3148A0006 for ; Wed, 16 Feb 2022 16:20:04 +0000 (UTC) Received: by mail-pg1-f182.google.com with SMTP id r76so2553636pgr.10 for ; Wed, 16 Feb 2022 08:20:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=SUEK1OPatjz/xS89rOiQIJkojmQppC70TLq4uXsnOCU=; b=awiYRJK7xVss9qUlz/+ZAsH80T6s71tCIdTOeiyrQ0x99UFr0wnuctr63kQIRgErZp Pjfqzv1BqeebYXL4GcrP/MyMzdMDlGQjvfr6bbW2B//BH8jrUYt1XEZHs+OKMGfIVuiv RJpsPjfFgg4A8/+DgzM1yTr8QymR2qoNgB2u0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=SUEK1OPatjz/xS89rOiQIJkojmQppC70TLq4uXsnOCU=; b=Ni5I9hwmTftxWUclRF/yBLidcez9a9axtVSpAHRM2CrZ/S2/gnqAG4Kt/60+38niOt hW8381lPCQTxMoJWqZszSKafChFF/2P+VKHP44nKoCVIAU/bDOqESUgcwPnFyErAMkm+ I/bVTheZ0ZKPppO6BNxEN1gEDA1L6LBaBsNy0fuMWViHlZRyW1fjizaOamA7YJnxIWxY IZ+mAGKkSWvdsAfIWYz8eV/gG39zPVCKbDa/9ZU6ZkgtqiNuMGAL14y19LK9g6y16/l/ lu+e7CeUhE3/khOZCVFgeQXYIIv1SKJfnB+gHi2lqzPo0HmsikxdMWUQFx5LO1PIkV99 ghbg== X-Gm-Message-State: AOAM53051cic4aNIDLuB/Ck8qYfMuzAPUV0XhEeQ4PeMdZIKnsbAmfy+ o/txyjmmjbDVR73oJesTjKOTXw== X-Google-Smtp-Source: ABdhPJwkMae/H/K70R+Ctzw/galxZ1wgyt9T2ZBccthHmsi3muEDVk9x1KPlstE3Ys6++5ijnUTmdw== X-Received: by 2002:a63:86:0:b0:36c:48e8:627e with SMTP id 128-20020a630086000000b0036c48e8627emr2940332pga.53.1645028403498; Wed, 16 Feb 2022 08:20:03 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id x4sm1535073pjq.2.2022.02.16.08.20.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Feb 2022 08:20:03 -0800 (PST) Date: Wed, 16 Feb 2022 08:20:02 -0800 From: Kees Cook To: Michael Ellerman Cc: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Andrew Morton , "James E.J. Bottomley" , Helge Deller , Arnd Bergmann , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v4 00/13] Fix LKDTM for PPC64/IA64/PARISC v4 Message-ID: <202202160818.7C3862B@keescook> References: <202202150807.D584917D34@keescook> <87y22bm25y.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87y22bm25y.fsf@mpe.ellerman.id.au> X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: B3148A0006 X-Stat-Signature: g331r61agpcuy3nqnm6sag46d6rgob4h Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=awiYRJK7; dmarc=pass (policy=none) header.from=chromium.org; spf=pass (imf25.hostedemail.com: domain of keescook@chromium.org designates 209.85.215.182 as permitted sender) smtp.mailfrom=keescook@chromium.org X-HE-Tag: 1645028404-90982 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Feb 16, 2022 at 11:22:33PM +1100, Michael Ellerman wrote: > Kees Cook writes: > > On Tue, Feb 15, 2022 at 01:40:55PM +0100, Christophe Leroy wrote: > >> PPC64/IA64/PARISC have function descriptors. LKDTM doesn't work > >> on those three architectures because LKDTM messes up function > >> descriptors with functions. > >> > >> This series does some cleanup in the three architectures and > >> refactors function descriptors so that it can then easily use it > >> in a generic way in LKDTM. > > > > Thanks for doing this! It looks good to me. :) > > How should we merge this series, it's a bit all over the map. > > I could put it in a topic branch? That's fine by me -- I had assumed it'd go via the ppc tree. But if you'd rather I take it as a topic branch I can do that too. -- Kees Cook