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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9F64C433EF for ; Wed, 13 Oct 2021 18:56:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1B8E6008E for ; Wed, 13 Oct 2021 18:56:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238727AbhJMS6k (ORCPT ); Wed, 13 Oct 2021 14:58:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231246AbhJMS6i (ORCPT ); Wed, 13 Oct 2021 14:58:38 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34966C061570 for ; Wed, 13 Oct 2021 11:56:35 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id f21so2473870plb.3 for ; Wed, 13 Oct 2021 11:56:35 -0700 (PDT) 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=Ye13OmZ3/WQ5cIUtbfVVB0LIxdrNFZJ8JAtfJOn6tSs=; b=ggwVdU/nM2n1VDwOUSzbDNh0n6tH68W7Y1MlizZeUdw5vOgv1Knlj+CukpD4B6DXrz xHxkyiCsubqCfhQNj5+NbdGOgs2hbfjZCsixQAm4QagFigeRHP/QXKqjs/A+dzDsd+Vl EmuIIytJ1MWGb89CZf8jCdbYbefJNpP5QVB4w= 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=Ye13OmZ3/WQ5cIUtbfVVB0LIxdrNFZJ8JAtfJOn6tSs=; b=Uq77Cdg9i+BPxEQy8efHpXJYf/+/d5rRRZ7kv0wIOVVWXaJ3HgSB333eldLMGs1oEU 93aZ27zRM5nuYv4hyHYDE31hX6qHIZvBE8bc09rCVoBFcOp0X73hl1n0dUK6XCEd84Wa Xh72rIKz1BQgbh954gDjkGpDK6/3tvX6QeHOvMbzhECV93baYCCQNA4CfAHVkeL7op+6 NbQPuKhhAWN/kn1vyDKoXpVw8u+fLsjwWpbHBO6uaynE3ALyRzLAvC/QV9RZ267VImeY 553VCmJS6cULH7CjdRzJ2JfV7rYMqws/HJ6jtSz907At3ziRxNKWdRSKL++f6u+4MwgC 65WQ== X-Gm-Message-State: AOAM532enwE4ig2F0pxOEGlM2Icid6HXtbHAsT1zw58Dh8q7ZVS8uG7H +GC7NBmrs6gOIHDTwJvnUmw7puSCFigBpQ== X-Google-Smtp-Source: ABdhPJyk4f8iBw/TbgCPI4nSRB9gGx/BtKbfKsMhla90ncq/wBhlkZHwwD0ojZQFgmLLAHQl988/gQ== X-Received: by 2002:a17:902:6544:b0:13e:dd16:bd5b with SMTP id d4-20020a170902654400b0013edd16bd5bmr856440pln.61.1634151394760; Wed, 13 Oct 2021 11:56:34 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id w19sm6949936pjy.9.2021.10.13.11.56.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Oct 2021 11:56:34 -0700 (PDT) Date: Wed, 13 Oct 2021 11:56:33 -0700 From: Kees Cook To: Sami Tolvanen Cc: x86@kernel.org, Josh Poimboeuf , Peter Zijlstra , Nathan Chancellor , Nick Desaulniers , Sedat Dilek , Steven Rostedt , linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH v5 15/15] x86, build: Allow CONFIG_CFI_CLANG to be selected Message-ID: <202110131156.C52C7F7CC@keescook> References: <20211013181658.1020262-1-samitolvanen@google.com> <20211013181658.1020262-16-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211013181658.1020262-16-samitolvanen@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 13, 2021 at 11:16:58AM -0700, Sami Tolvanen wrote: > Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled with > Clang >= 13. > > Link: https://bugs.llvm.org/show_bug.cgi?id=51588 > Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook -- Kees Cook