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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 82B74C43381 for ; Fri, 12 Mar 2021 02:52:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B37864F93 for ; Fri, 12 Mar 2021 02:52:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231826AbhCLCv7 (ORCPT ); Thu, 11 Mar 2021 21:51:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231827AbhCLCvq (ORCPT ); Thu, 11 Mar 2021 21:51:46 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB3F9C061764 for ; Thu, 11 Mar 2021 18:51:45 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id s7so11226347plg.5 for ; Thu, 11 Mar 2021 18:51:45 -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=+3EEyNm7eQ8LTzAuPOfFBo4tKw3xvJrFxDmdpJEANQ8=; b=Pw0Wytol3V1W1jSYagNaJuoK7dXXVqpzVhqhkG56gvEbW066nxOADg+yZY9AVoynyD HDYm5Fde8wmAQx7uPQFDPwi7KHT0dmeOix4wwzMnENWIDI6GBjFZNEqoJTIFx3IBUknr HTdlPPCLI0gUJoS0n7BVVl/PH9ri450DvLqhw= 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=+3EEyNm7eQ8LTzAuPOfFBo4tKw3xvJrFxDmdpJEANQ8=; b=oogSNkOAQULFn/bFZXcMY0eDNiuZNRTKMeVYM2To0/zhn0MIwrM1ZRuyRP3p4hYtxd 0MQaGMlaoZsWqrRD+4VbRxZ46JIhL1pqKR0s0AXt1imkDpJhtv0CNjUlcoiS9bL30okX LCPEmGmpVRrbZB0HkoPk+y3yLFXm9mbJLgQPb/ySOLHsTa2O9gFcXBaiJ82mGZ/K3v95 r3AQOe/lcpJwpuCTnqhtogIY+lEBQlSHu2gjqcIID7d7U55dniyiBrd6BMJ7BJvudhXn MbbjC7MxOfFMc91tBFLvEMMXrM4wUXLczNTV3d0iPLxVtIop0AULnG4P3NO6SGeruQgW Z/zQ== X-Gm-Message-State: AOAM5330UplopcWCpRAjmKWesCZa/HVog/pys4c1khGIm2OgQVlezpUI RhpFP0c4BqeXKAl7RzkaHa1Q0Q== X-Google-Smtp-Source: ABdhPJxzPu6mg+lNqyi8pXBzHWDwhwGeEI+Dbicpb8zWXKXZ3bEFdtsbfyio0s4PFHGRZ2yRBsZRHQ== X-Received: by 2002:a17:902:d114:b029:e4:87c7:39f5 with SMTP id w20-20020a170902d114b02900e487c739f5mr11218690plw.72.1615517505595; Thu, 11 Mar 2021 18:51:45 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id k5sm3672672pfg.215.2021.03.11.18.51.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 18:51:44 -0800 (PST) Date: Thu, 11 Mar 2021 18:51:43 -0800 From: Kees Cook To: Sami Tolvanen Cc: Nathan Chancellor , Nick Desaulniers , Masahiro Yamada , Will Deacon , Jessica Yu , Arnd Bergmann , Tejun Heo , bpf@vger.kernel.org, linux-hardening@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 17/17] arm64: allow CONFIG_CFI_CLANG to be selected Message-ID: <202103111851.69AA6E59@keescook> References: <20210312004919.669614-1-samitolvanen@google.com> <20210312004919.669614-18-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210312004919.669614-18-samitolvanen@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Mar 11, 2021 at 04:49:19PM -0800, Sami Tolvanen wrote: > Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled. > > Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook Random thought: the vDSO doesn't need special handling because it doesn't make any indirect calls, yes? -- Kees Cook