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=BAYES_00, 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 E5A89C433DB for ; Fri, 19 Mar 2021 21:01:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABE866197B for ; Fri, 19 Mar 2021 21:01:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230343AbhCSVBA (ORCPT ); Fri, 19 Mar 2021 17:01:00 -0400 Received: from mga17.intel.com ([192.55.52.151]:9529 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231136AbhCSVAq (ORCPT ); Fri, 19 Mar 2021 17:00:46 -0400 IronPort-SDR: aHzW9bhQipc9hNzzeInWZlqPynN1vHuixz4OVeZAGsXK6qf9JRdPUMoGnPR0Q4Ziy59Rc17RLC IBTfb49+05oA== X-IronPort-AV: E=McAfee;i="6000,8403,9928"; a="169902284" X-IronPort-AV: E=Sophos;i="5.81,262,1610438400"; d="scan'208";a="169902284" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2021 14:00:45 -0700 IronPort-SDR: gxmIQULOVcqooQHk7e0b9w0C/LmhVNefk/UJ4QKlXOHDTwzcV1PkQ2nHwNxTpV+mqqDYujWCZJ jSDrupOGAv4w== X-IronPort-AV: E=Sophos;i="5.81,262,1610438400"; d="scan'208";a="413657275" Received: from otcwcpicx3.sc.intel.com ([172.25.55.73]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2021 14:00:45 -0700 Date: Fri, 19 Mar 2021 21:00:37 +0000 From: Fenghua Yu To: Thomas Gleixner Cc: Ingo Molnar , Borislav Petkov , Peter Zijlstra , Tony Luck , Randy Dunlap , Xiaoyao Li , Ravi V Shankar , linux-kernel , x86 Subject: Re: [PATCH v5 1/3] x86/cpufeatures: Enumerate #DB for bus lock detection Message-ID: References: <20210313054910.2503968-1-fenghua.yu@intel.com> <20210313054910.2503968-2-fenghua.yu@intel.com> <877dm26fvo.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <877dm26fvo.fsf@nanos.tec.linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 19, 2021 at 09:35:39PM +0100, Thomas Gleixner wrote: > On Sat, Mar 13 2021 at 05:49, Fenghua Yu wrote: > > A bus lock is acquired though either split locked access to > > s/though/through/ > either a > > Some CPUs have ability to notify the kernel by an #DB trap after a user > > the ability Thank you for your review, Thomas! Will fix the issues. -Fenghua