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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 263A6C433E2 for ; Thu, 3 Sep 2020 23:38:41 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 6BF172083B for ; Thu, 3 Sep 2020 23:38:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="gvG6wFPN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6BF172083B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-19778-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 13771 invoked by uid 550); 3 Sep 2020 23:38:34 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 13735 invoked from network); 3 Sep 2020 23:38:33 -0000 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=vpMIvEwuRSqC+Z+zTJmdoPgPG+oL4Eop2jtb25EWWgk=; b=gvG6wFPNF0Tcin4Ap2mhko2aiVRBSXzp1p2mlklenZECv4SocSBp+jn3VNJMansFKr OiZX2u7WDwqU4iPvPk8YmYriiePKsJQyUZuud8Bhv0KORwFRgLPlXNkRLZ2trFWXd5Y/ oOBfwOcv/SeeoHkG8Ef4WwrqpQReE8/Tx8zcg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=vpMIvEwuRSqC+Z+zTJmdoPgPG+oL4Eop2jtb25EWWgk=; b=PLaRhqAVbumwmMSbhmV7xmI45Sm1lVv7mAP6FHMdyt8yx4fbFg93hn8c0DQajqrtNa Wa033HeWjgQ1Y9ctIjZMafBopA+f4qgfdPfM19vVYIbDOFAi2/wHTpGun/TOVIfVNoJp I7s6yTYGQ6CIWqAyksjd3aVtuglYlH30o00HlUAdm+AQq/dMlNf+6HEISfre175Xk8cm DjU2Hpypb2h+ovR1hgQcRI4gi0mwOw4FwSlX1rbT/DVXXRG5uvpm8UX0G0kDeDczlLiS tqTpfkkkClphxioheXx9ZZnUwWQXwlXXkVC9sl07QKD5moIsvg8+psSkZ90N9iTHowte hs0Q== X-Gm-Message-State: AOAM532MtZQo2i2kdzClEsS2BjmuCJYyOTWLP65pNakFYy0nRnCYFw+7 YH3Lpr37NKVWgkJxZ1QUThakuw== X-Google-Smtp-Source: ABdhPJyiZpxHVqfKKsHge2peFlT0tOhsV4ucarLlAr1ffPxhOv0TOSI8XtiKBiFflmROB6YHqiVGkg== X-Received: by 2002:a17:90a:d514:: with SMTP id t20mr5116667pju.134.1599176301506; Thu, 03 Sep 2020 16:38:21 -0700 (PDT) Date: Thu, 3 Sep 2020 16:38:19 -0700 From: Kees Cook To: Sami Tolvanen Cc: Masahiro Yamada , Will Deacon , Peter Zijlstra , Steven Rostedt , Greg Kroah-Hartman , "Paul E. McKenney" , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v2 00/28] Add support for Clang LTO Message-ID: <202009031634.876182D@keescook> References: <20200624203200.78870-1-samitolvanen@google.com> <20200903203053.3411268-1-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200903203053.3411268-1-samitolvanen@google.com> On Thu, Sep 03, 2020 at 01:30:25PM -0700, Sami Tolvanen wrote: > This patch series adds support for building x86_64 and arm64 kernels > with Clang's Link Time Optimization (LTO). > [...] > base-commit: e28f0104343d0c132fa37f479870c9e43355fee4 And if you're not a b4 user, this tree can be found at either of these places: https://github.com/samitolvanen/linux/commits/clang-lto git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git kspp/sami/lto/v2 -- Kees Cook