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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 9DD35C433E4 for ; Thu, 16 Jul 2020 20:13:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C315206F4 for ; Thu, 16 Jul 2020 20:13:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729615AbgGPUN2 (ORCPT ); Thu, 16 Jul 2020 16:13:28 -0400 Received: from mga07.intel.com ([134.134.136.100]:57825 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728788AbgGPUN1 (ORCPT ); Thu, 16 Jul 2020 16:13:27 -0400 IronPort-SDR: toPVT0M45iPCCadNNsANJ7lJiaqisHTjDvMiApWhFAAyGZg+BIUeRi4r8LOt45VI6Yw+fwn/07 8jVltA/3anGw== X-IronPort-AV: E=McAfee;i="6000,8403,9684"; a="214214451" X-IronPort-AV: E=Sophos;i="5.75,360,1589266800"; d="scan'208";a="214214451" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2020 13:13:26 -0700 IronPort-SDR: fqjbAsFcqXqHhyz4Ik6CS/yPTPtMpP9HdDCtL+5XDmAJF+f4N+jIuG6NAA+IjvsraVzZ7zwVzm q1ZfLMKcWH8A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,360,1589266800"; d="scan'208";a="308761731" Received: from romley-ivt3.sc.intel.com ([172.25.110.60]) by fmsmga004.fm.intel.com with ESMTP; 16 Jul 2020 13:13:26 -0700 Date: Thu, 16 Jul 2020 13:13:26 -0700 From: Fenghua Yu To: Peter Zijlstra Cc: Thomas Gleixner , Borislav Petkov , Ingo Molnar , Tony Luck , Ashok Raj , Ravi V Shankar , x86 , linux-kernel Subject: Re: [PATCH] x86/split_lock: Enumerate split lock feature on Sapphire Rapids Message-ID: <20200716201325.GB66451@romley-ivt3.sc.intel.com> References: <1593208534-33721-1-git-send-email-fenghua.yu@intel.com> <20200716193659.GA66451@romley-ivt3.sc.intel.com> <20200716195010.GV10769@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200716195010.GV10769@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Peter, On Thu, Jul 16, 2020 at 09:50:10PM +0200, Peter Zijlstra wrote: > On Thu, Jul 16, 2020 at 12:37:00PM -0700, Fenghua Yu wrote: > > Hi, Thomas, Boris, Ingo, > > > > On Fri, Jun 26, 2020 at 02:55:34PM -0700, Fenghua Yu wrote: > The only comment I have is that us needing it is ludicrous :/ What's the > bloody point of having it 'enumerated' if you then still have to use FMS > lists. > > There's nowhere near enough cursing in the comment that goes with that > list. Tony answered Thomas' similar question at https://lore.kernel.org/lkml/20200416223335.GA23759@agluck-desk2.amr.corp.intel.com/ Is that sufficient enough to answer your question? Thanks. -Fenghua