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[23.128.96.18]) by mx.google.com with ESMTP id c1si5889722eds.18.2021.01.29.13.16.02; Fri, 29 Jan 2021 13:16:26 -0800 (PST) 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 S233431AbhA2VOR (ORCPT + 99 others); Fri, 29 Jan 2021 16:14:17 -0500 Received: from mga01.intel.com ([192.55.52.88]:55425 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232918AbhA2VON (ORCPT ); Fri, 29 Jan 2021 16:14:13 -0500 IronPort-SDR: rS4XURAalZkPgLpfToHZEgxrW0ZODLXsiMsafLs/DchGJd5pAOASHuXF79bZwMCqhmhG5KtA1G iVxmFblmwtcQ== X-IronPort-AV: E=McAfee;i="6000,8403,9879"; a="199332505" X-IronPort-AV: E=Sophos;i="5.79,386,1602572400"; d="scan'208";a="199332505" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2021 13:13:31 -0800 IronPort-SDR: YKpYFCq+rRt4zqUspD1JImoQHJ9ODV3X6/aXQ4uP4iER2tVzPmgw/RbyRy3mSTJpd8CYqX9jRr r0VhB8vP9R9A== X-IronPort-AV: E=Sophos;i="5.79,386,1602572400"; d="scan'208";a="475532535" Received: from yyu32-mobl1.amr.corp.intel.com (HELO [10.212.73.214]) ([10.212.73.214]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2021 13:13:29 -0800 Subject: Re: [PATCH v18 02/25] x86/cet/shstk: Add Kconfig option for user-mode control-flow protection To: Borislav Petkov , Dave Hansen Cc: Andy Lutomirski , 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 References: <40a5a9b5-9c83-473d-5f62-a16ecde50f2a@intel.com> <86F8CE62-A94B-46BD-9A29-DBE1CC14AA83@amacapital.net> <58d5f029-ee8a-ca93-f0e6-0278db22e208@intel.com> <20210129204601.GG27841@zn.tnic> From: "Yu, Yu-cheng" Message-ID: <9061f862-8711-2ca2-b737-8d171de2f0c2@intel.com> Date: Fri, 29 Jan 2021 13:13:26 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210129204601.GG27841@zn.tnic> 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 1/29/2021 12:46 PM, Borislav Petkov wrote: > On Fri, Jan 29, 2021 at 12:33:43PM -0800, Dave Hansen wrote: >> In that case is there any reason to keep the "depends on CPU_SUP_INTEL"? > > Probably not. I haven't heard of the AMD implementation being somehow > different from Intel's. > Ok, I will remove it.