Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp79192ybt; Tue, 16 Jun 2020 17:09:37 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyFIi51Cc6urMFe2JZi9j6WdolJjwBx0mQS2a46ZikOASxy8xmNX1aRSy6IYwM5oONLsFe/ X-Received: by 2002:a17:906:d9cd:: with SMTP id qk13mr5005159ejb.268.1592352577674; Tue, 16 Jun 2020 17:09:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592352577; cv=none; d=google.com; s=arc-20160816; b=fOFBqwcYOo727sCX85TJU9ecCblofq0tPHFrq/LN7FqXKsB0Dl4pUJ/GAuCAUjcQzR 50CDc3IYrkzrMETzSktBKyQrNFGx+V7Evu1ACJPY/d2CoLbfPM+lNyHqWqyRNAW8u2H/ +2/uxuWEg3uKuaKZwzvlWaUVK6xtAgNzcLRdz6V7FkYSUubvPo1J3USU93KTauKrSg2o 1nCxsQkHLeP+JUvxmCuJtAtR4EcvDnwbX8dgZL0GP0j8plo7Twt9Cn8UIhsH4GCSy/lM Xx+TBdlFGyaaJ0bS9It7JGy6A6Os7R+JuOQftpOiCgX2fTE++oQULOXX2A7GxUR8NlsZ JyYw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=HP1uFW4sLGpGIoEXTGEFuCHmhwb0G5+9yO9YHFU+ats=; b=O08FuGTXrXFmhPDHmHPBegxEiGoWwP92iQ+1XdLa7gaCTVQ1zoSIwoix9Cz8WGiYHE vyo5lN+98/CWFfSYDkTSzkavmF/N+l61kRljZE4c50x4Wcugf2AFPXpgggQgvQeG+XSI 72j1s+IMUQgIk05mGW2pkpWbgUMq5E1FlGomObwqPt80zQoQzhvQdij90IE7egonQ2Ji AhpNon4FvWxCvUF7SMb5tw9vNnifZxmK/oioEBJUjdtInBvndnZ3r9a6NgACuD9ghjVy OsaqB9/NXNtg9ZqnhxPS3l/EXsf3O8q4bstxlIA4R7nDkuzS4/9RFiK73cmS/wupZGBZ sEBA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=B9RvaNNf; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dr11si14980482ejc.254.2020.06.16.17.09.15; Tue, 16 Jun 2020 17:09:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=B9RvaNNf; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726544AbgFQAHT (ORCPT + 99 others); Tue, 16 Jun 2020 20:07:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725894AbgFQAHS (ORCPT ); Tue, 16 Jun 2020 20:07:18 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81AB8C061573 for ; Tue, 16 Jun 2020 17:07:18 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id y11so641440ljm.9 for ; Tue, 16 Jun 2020 17:07:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=HP1uFW4sLGpGIoEXTGEFuCHmhwb0G5+9yO9YHFU+ats=; b=B9RvaNNfw2XkhWkqlRQ3PtpGYvSfdqW+PwRggujQQq4AZ2B7b5X7/BnqV3v4c/2PkZ ENTqIwC62xfVi9KUmaVAVUpoXme71+DSirnDrOWf9H+TaASjGvOPKPcZe01K2pTusWK4 hfjPILq5L217zE2mGrEFMskNrCCGRfMLIg/v0= 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=HP1uFW4sLGpGIoEXTGEFuCHmhwb0G5+9yO9YHFU+ats=; b=e3woq/vb2y7Fq4H+FbkZUSYiC/XZewSPM8T98qWqkwCdOHAh81A5p4a+cy2pbQNY6T jUIiyz6FP4UkTNjVQLkYO+sIS+uORe74c+05TF2GONBNp4dVELSGv+C4r7dnmKUma3/p QPzqXhAhdOllAqr/OU9hRp/HHd7hxVtF9wjTESvHhZzSRTbsDCd3Ukf8lzX3+TvLTSIM 9Xv99st4dL83Nlbd7nfTHXuTEDhCvv9Hce8JS8+XujVCanLGuXhLC3yRtq2GNYAoBIJO B+L5hNoLbhZzPZVKVyS5F6qHBambns00vZiQnw4AQj5gtUlxcJ6d4cFKy3DteyJLhlic /76Q== X-Gm-Message-State: AOAM531Ts9shK2FlHBDnBdyPjZttwFeHYqg10OQfrpGYSG4dzXKM+DJl EL3tP77faT8Kpdp9qhScc9lRqQGBJkY= X-Received: by 2002:a2e:7219:: with SMTP id n25mr2719491ljc.164.1592352436509; Tue, 16 Jun 2020 17:07:16 -0700 (PDT) Received: from mail-lj1-f176.google.com (mail-lj1-f176.google.com. [209.85.208.176]) by smtp.gmail.com with ESMTPSA id v23sm4646611ljg.122.2020.06.16.17.07.15 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Jun 2020 17:07:15 -0700 (PDT) Received: by mail-lj1-f176.google.com with SMTP id i27so613367ljb.12 for ; Tue, 16 Jun 2020 17:07:15 -0700 (PDT) X-Received: by 2002:a2e:97c3:: with SMTP id m3mr2751552ljj.312.1592352434877; Tue, 16 Jun 2020 17:07:14 -0700 (PDT) MIME-Version: 1.0 References: <20200616222547.1979233-1-nivedita@alum.mit.edu> In-Reply-To: <20200616222547.1979233-1-nivedita@alum.mit.edu> From: Linus Torvalds Date: Tue, 16 Jun 2020 17:06:59 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] x86/purgatory: Add -fno-stack-protector To: Arvind Sankar Cc: "the arch/x86 maintainers" , kexec@lists.infradead.org, Linux Kernel Mailing List , Gabriel C , Hans de Goede , Borislav Petkov 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, Jun 16, 2020 at 3:25 PM Arvind Sankar wrote: > > The purgatory Makefile removes -fstack-protector options if they were > configured in, but does not currently add -fno-stack-protector. I took this directly, since the build failure seems so annoying if you happen to have an affected compiler and config. Maybe that's not very common, but .. Linus