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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 8F59BC4332D for ; Sat, 21 Mar 2020 00:41:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 50EF120732 for ; Sat, 21 Mar 2020 00:41:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727778AbgCUAlj (ORCPT ); Fri, 20 Mar 2020 20:41:39 -0400 Received: from mga03.intel.com ([134.134.136.65]:63180 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727158AbgCUAli (ORCPT ); Fri, 20 Mar 2020 20:41:38 -0400 IronPort-SDR: Y2ye6VjE444HkSZMbpR9mwwMjDx7B5shVzm56Po6XAOybT/nCffHPGiqas/fgn42iCEmGpCwOZ cAoqPekV/DLg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Mar 2020 17:41:38 -0700 IronPort-SDR: GtHqOl1CLkUFPLL9+/s66gcXWnZbAOy+zcIkwxIs/Kuqt9JpT1yJkTfJZB8oHPWAlSMXg5meeN JyabIa/GvHXg== X-IronPort-AV: E=Sophos;i="5.72,286,1580803200"; d="scan'208";a="325031742" Received: from agluck-desk2.sc.intel.com (HELO agluck-desk2.amr.corp.intel.com) ([10.3.52.68]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Mar 2020 17:41:37 -0700 Date: Fri, 20 Mar 2020 17:41:36 -0700 From: "Luck, Tony" To: Xiaoyao Li Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , hpa@zytor.com, Paolo Bonzini , Sean Christopherson , kvm@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Andy Lutomirski , Peter Zijlstra , Arvind Sankar , Fenghua Yu , Vitaly Kuznetsov , Jim Mattson Subject: Re: [PATCH v5 1/9] x86/split_lock: Rework the initialization flow of split lock detection Message-ID: <20200321004136.GA6578@agluck-desk2.amr.corp.intel.com> References: <20200315050517.127446-1-xiaoyao.li@intel.com> <20200315050517.127446-2-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200315050517.127446-2-xiaoyao.li@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 15, 2020 at 01:05:09PM +0800, Xiaoyao Li wrote: > To solve these issues, introducing a new sld_state, "sld_not_exist", as > the default value. It will be switched to other value if CORE_CAPABILITIES > or FMS enumerate split lock detection. Is a better name for this state "sld_uninitialized? Otherwise looks good. Reviewed-by: Tony Luck -Tony