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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 96EFCC43382 for ; Tue, 25 Sep 2018 16:34:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5420B2083A for ; Tue, 25 Sep 2018 16:34:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5420B2083A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728020AbeIYWmm (ORCPT ); Tue, 25 Sep 2018 18:42:42 -0400 Received: from mga12.intel.com ([192.55.52.136]:17969 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726252AbeIYWmm (ORCPT ); Tue, 25 Sep 2018 18:42:42 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Sep 2018 09:34:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,302,1534834800"; d="scan'208";a="93136136" Received: from 2b52.sc.intel.com ([143.183.136.51]) by fmsmga001.fm.intel.com with ESMTP; 25 Sep 2018 09:34:25 -0700 Message-ID: <309a30584a56babbd4d25199f71b786442300c1e.camel@intel.com> Subject: Re: [RFC PATCH v4 01/27] x86/cpufeatures: Add CPUIDs for Control-flow Enforcement Technology (CET) From: Yu-cheng Yu To: Peter Zijlstra 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 , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue Date: Tue, 25 Sep 2018 09:29:51 -0700 In-Reply-To: <20180925162705.GB30146@hirez.programming.kicks-ass.net> References: <20180921150351.20898-1-yu-cheng.yu@intel.com> <20180921150351.20898-2-yu-cheng.yu@intel.com> <20180925162705.GB30146@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.1-2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2018-09-25 at 18:27 +0200, Peter Zijlstra wrote: > On Fri, Sep 21, 2018 at 08:03:25AM -0700, Yu-cheng Yu wrote: > > > diff --git a/arch/x86/kernel/cpu/scattered.c > > b/arch/x86/kernel/cpu/scattered.c > > index 772c219b6889..63cbb4d9938e 100644 > > --- a/arch/x86/kernel/cpu/scattered.c > > +++ b/arch/x86/kernel/cpu/scattered.c > > @@ -21,6 +21,7 @@ struct cpuid_bit { > > static const struct cpuid_bit cpuid_bits[] = { > > { X86_FEATURE_APERFMPERF, CPUID_ECX, 0, 0x00000006, 0 }, > > { X86_FEATURE_EPB, CPUID_ECX, 3, 0x00000006, 0 }, > > + { X86_FEATURE_IBT, CPUID_EDX, 20, 0x00000007, 0}, > > ^^ > missing white space at the end there. I will fix it. Thanks! From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu-cheng Yu Subject: Re: [RFC PATCH v4 01/27] x86/cpufeatures: Add CPUIDs for Control-flow Enforcement Technology (CET) Date: Tue, 25 Sep 2018 09:29:51 -0700 Message-ID: <309a30584a56babbd4d25199f71b786442300c1e.camel@intel.com> References: <20180921150351.20898-1-yu-cheng.yu@intel.com> <20180921150351.20898-2-yu-cheng.yu@intel.com> <20180925162705.GB30146@hirez.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180925162705.GB30146@hirez.programming.kicks-ass.net> Sender: linux-kernel-owner@vger.kernel.org To: Peter Zijlstra 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 , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Randy List-Id: linux-api@vger.kernel.org On Tue, 2018-09-25 at 18:27 +0200, Peter Zijlstra wrote: > On Fri, Sep 21, 2018 at 08:03:25AM -0700, Yu-cheng Yu wrote: > > > diff --git a/arch/x86/kernel/cpu/scattered.c > > b/arch/x86/kernel/cpu/scattered.c > > index 772c219b6889..63cbb4d9938e 100644 > > --- a/arch/x86/kernel/cpu/scattered.c > > +++ b/arch/x86/kernel/cpu/scattered.c > > @@ -21,6 +21,7 @@ struct cpuid_bit { > > static const struct cpuid_bit cpuid_bits[] = { > > { X86_FEATURE_APERFMPERF, CPUID_ECX, 0, 0x00000006, 0 }, > > { X86_FEATURE_EPB, CPUID_ECX, 3, 0x00000006, 0 }, > > + { X86_FEATURE_IBT, CPUID_EDX, 20, 0x00000007, 0}, > > ^^ > missing white space at the end there. I will fix it. Thanks!