Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp1008569imm; Thu, 31 May 2018 13:26:54 -0700 (PDT) X-Google-Smtp-Source: ADUXVKL4j3hWqz0cFYpFDwzZ9eIhQfQu8vpqz2EdUSuiPWBHKFH2zwICriHeRHRi54h78YZ4vVHf X-Received: by 2002:a17:902:8602:: with SMTP id f2-v6mr8285266plo.5.1527798414047; Thu, 31 May 2018 13:26:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1527798414; cv=none; d=google.com; s=arc-20160816; b=VqpC9Mnljuqlh8FsGerUY7MRXEn7hI0IidHN3VBhZSOB+0S5TmSu0ekFBzHuWp09gO cL5T2syF8IlBWa6DHvh0uya9gUm8PPDzG89Kmfcab7VWj0SeVUsUlrFSETq/Ag5oeXmY DbHZxZcBz6/HGorDQkjuVt32+fWfADxZEeq8Z9poxhD+RcpaXKW1FgpUlv6Q1UMcpnNa FmkoDExR7pKrYeWWl6EhzPiqZ7dF+zATjBg0gn1KaTbj6D5K1KSkJvHD2uU7lNkv+DZU 3Uvz1iMCOMK/HBEKtDryEDY7mA6XU1bq3ql1aAhsaMOy5pBp+DuSl55EyOBGNBeZMa0k sJUw== 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 :arc-authentication-results; bh=rAHxE6QpUaM3/DspWdfWemiYbFqMWBMzXH05ZcLjrdU=; b=twNXS/yXuVVzlq1o1g9MYsW33Cmxdb7RJAgDO4xCt1pBfKKQ0+XCiqxDQZt6V9JX6v JsuvrjShBiVJ9oR1sQZNPeNfkROKqCQHlOnWKuFvmJuMx+shIYndT68Mw8AGamsVDP6Q /FfiwtwAiNzcrUCuTFdc5W+advjBhLnyWzLk1nHtKa0y1RL9yKc409sxcZdCX1hv71kg QPV38L1hjNSKJDB0Esfz1+Su0Cz7+nW27JfduxWA5DHM7FySK390UmlBhQZFu6T8CixK fLSyLtlLa8XckT4i0sbJZ7SBIW0KuF+eGeah7yLatCSDAKvPw4gXuAlHLIycfTyLTils ilHw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=siTVU/Bw; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f189-v6si30100342pgc.632.2018.05.31.13.26.39; Thu, 31 May 2018 13:26:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=siTVU/Bw; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754488AbeEaUZy (ORCPT + 99 others); Thu, 31 May 2018 16:25:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:49662 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754184AbeEaUZw (ORCPT ); Thu, 31 May 2018 16:25:52 -0400 Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C2807208B2 for ; Thu, 31 May 2018 20:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1527798352; bh=rAHxE6QpUaM3/DspWdfWemiYbFqMWBMzXH05ZcLjrdU=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=siTVU/Bw/SkudQ2F3mmcybdMgLcyiNBFg3p6pCYisp/ocDrY3LoEUl/JfHeih0Nvo hB8v1qfJNCDT6A6qsAMxEN8kthb/MxblDqMfFpgwSiN3o3bQ30k6BdjyYT/MUIQFCw GQvzlnoZWU8in+yEBcXrXD3UV0Bwdi++n/pU/cZk= Received: by mail-wm0-f51.google.com with SMTP id z6-v6so2973064wma.0 for ; Thu, 31 May 2018 13:25:51 -0700 (PDT) X-Gm-Message-State: ALKqPwcrVXblyBBHeBkdV0RIoF8peMiBNHuOB9g6Wws2lLF5PJEG4Z0Z 80KU9K3qYo2F/DB2hed6FCCyhZn1aHvFDulexDD7Wg== X-Received: by 2002:a1c:1082:: with SMTP id 124-v6mr777282wmq.46.1527798350347; Thu, 31 May 2018 13:25:50 -0700 (PDT) MIME-Version: 1.0 References: <1527789525-8857-1-git-send-email-chang.seok.bae@intel.com> <1527789525-8857-7-git-send-email-chang.seok.bae@intel.com> In-Reply-To: <1527789525-8857-7-git-send-email-chang.seok.bae@intel.com> From: Andy Lutomirski Date: Thu, 31 May 2018 13:25:39 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH V2 06/15] taint: Add taint for insecure To: "Bae, Chang Seok" Cc: Andrew Lutomirski , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Andi Kleen , Dave Hansen , "Metzger, Markus T" , "Ravi V. Shankar" , LKML 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 Thu, May 31, 2018 at 10:58 AM Chang S. Bae wrote: > > When adding new feature support, patches need to be > incrementally applied and tested with temporal parameters. > For such testing (or root-only) purposes, the new flag > will serve to tag the kernel taint state properly. I'm okay with this, I guess, but I'm not at all convinced we need it.