Received: by 2002:a05:6a10:a841:0:0:0:0 with SMTP id d1csp1614283pxy; Thu, 29 Apr 2021 10:33:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyebZncI/w6wLGR0hrloDD/i5zGeRs1I1xXMAPCeFK4MLrgLoH8S/YEXmpSGUpspWwj9rWz X-Received: by 2002:a65:62d7:: with SMTP id m23mr813677pgv.244.1619717600848; Thu, 29 Apr 2021 10:33:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1619717600; cv=none; d=google.com; s=arc-20160816; b=TlsIdl+rTO35hZxCV5/jIZK2g7oLCiCVs8vPwtPmhOo8NtClahVIEh5w1Ykci/dAmN mN3XjazV82hWuF8hW11LAWqXVorJH05cUvUxwN/8bVagUR+QLymBvJCTHeAfk+R2ITta wqe5fAgBldNL9P7B7aw7dQBmqB7DsqzqRqDOF7p/LCwGnHUf0P1qPIMZBT+VmTFt6kKp LnP8gL9P+K8nppN7QVbVDhTbao3HMYUxcv5vOrOItlVrVk5MfJ09YTFvZwbHhLee5H9D /GS/VL+9Yr9QRIGys1WfR2VMrMishMeeIlRUhkTIVYQGGpax49XNcf5tdDVu+Pr5jqWk lnxA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:ironport-sdr:ironport-sdr; bh=poZAcsQ0rYaTIt54zAccCSs7Ew1SrsSezJv0vURBCWs=; b=cA1a3njhq5oVd4S+6SV9AIJ2Zl9Wc5h67wUKFLiYmnl3dog8pIHBC6FmjAeYSD5/We WLVED3DLpZEpIgVviO+X5v8GRFg3QaW9R3aBPgUR/6cNC6Sxfyy0Vlp3/MYSjsRac+X1 dMxjYT7RPbsXpD/HxRxvECjkJJyqb1cJsR7/Ah4z1gB2sjZVvdUp7310aNMvveMQIPD4 fC1Wloz6lIHXy23prwV/ZnTxST13BZr977WwU1geAe6T0dnMXzpf3FGRaXJnwP3ORiYg 8jZeZKGQ+jmPvTabIZY4/kV+6b4o9L7HSvEVfzimnVMPmUSp5/CKKzzUaXwrqM5D5l4M V6Bw== ARC-Authentication-Results: i=1; mx.google.com; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z27si496816pga.62.2021.04.29.10.33.07; Thu, 29 Apr 2021 10:33:20 -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; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240947AbhD2Rc5 (ORCPT + 99 others); Thu, 29 Apr 2021 13:32:57 -0400 Received: from mga17.intel.com ([192.55.52.151]:11003 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232991AbhD2Rc4 (ORCPT ); Thu, 29 Apr 2021 13:32:56 -0400 IronPort-SDR: W63xBrubrE5qYXKY92Pr5EC2YJBuEW4rIM5d2YhyGp0vO49YvQjMvcwd8Q0cRBrOkLMbTc4Mrc nKquoGkpGEuA== X-IronPort-AV: E=McAfee;i="6200,9189,9969"; a="177177761" X-IronPort-AV: E=Sophos;i="5.82,259,1613462400"; d="scan'208";a="177177761" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2021 10:32:08 -0700 IronPort-SDR: TnxOrJZEtmY/kB2S7cpaJ5lojTrPFtPea7GvvhLZQylZpLtTFuDPxCVdUaYmo5zd6GWwgEV5Z3 XutSpmtVadTw== X-IronPort-AV: E=Sophos;i="5.82,259,1613462400"; d="scan'208";a="430953584" Received: from yyu32-mobl1.amr.corp.intel.com (HELO [10.212.75.159]) ([10.212.75.159]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2021 10:32:05 -0700 Subject: Re: [PATCH v26 00/30] Control-flow Enforcement: Shadow Stack To: Borislav Petkov Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang , Pengfei Xu , Haitao Huang References: <20210427204315.24153-1-yu-cheng.yu@intel.com> From: "Yu, Yu-cheng" Message-ID: Date: Thu, 29 Apr 2021 10:32:04 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/29/2021 10:13 AM, Borislav Petkov wrote: > On Tue, Apr 27, 2021 at 01:42:45PM -0700, Yu-cheng Yu wrote: >> I have run tests on these patches for quite some time, and they have been >> very stable. > > While at it, how about adding a simple selftest too, so that people can > play with it and perhaps it could even run a bunch of tests? > I did send out some selftest patches (link is in the cover letter). However, those need to be updated to the Linux standard, and I would like to do it separately. Yu-cheng