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=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 86216C433DF for ; Thu, 16 Jul 2020 19:37:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 57B6220874 for ; Thu, 16 Jul 2020 19:37:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729399AbgGPThB (ORCPT ); Thu, 16 Jul 2020 15:37:01 -0400 Received: from mga11.intel.com ([192.55.52.93]:25433 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728788AbgGPThB (ORCPT ); Thu, 16 Jul 2020 15:37:01 -0400 IronPort-SDR: mmYM6DBlrqvgHzgZAzdSAGmdTSfJuQQ5k7YnMEhAH/o4Vc+YuttIX6mJDdHo/XA+kffaXx8Mg8 rLSBdYV3JHLw== X-IronPort-AV: E=McAfee;i="6000,8403,9684"; a="147472120" X-IronPort-AV: E=Sophos;i="5.75,360,1589266800"; d="scan'208";a="147472120" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2020 12:37:01 -0700 IronPort-SDR: rgeq5PWWOvapHXHEl2k+ns8B4LrbmEfXbA/av211FVXohb1QHNca5F582yThEbVc3FbmVZf8G8 Hh2tbjW64qDA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,360,1589266800"; d="scan'208";a="308751536" Received: from romley-ivt3.sc.intel.com ([172.25.110.60]) by fmsmga004.fm.intel.com with ESMTP; 16 Jul 2020 12:37:00 -0700 Date: Thu, 16 Jul 2020 12:37:00 -0700 From: Fenghua Yu To: Thomas Gleixner , Borislav Petkov , Ingo Molnar , Peter Zijlstra , Tony Luck , Ashok Raj , Ravi V Shankar Cc: x86 , linux-kernel Subject: Re: [PATCH] x86/split_lock: Enumerate split lock feature on Sapphire Rapids Message-ID: <20200716193659.GA66451@romley-ivt3.sc.intel.com> References: <1593208534-33721-1-git-send-email-fenghua.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1593208534-33721-1-git-send-email-fenghua.yu@intel.com> 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, Thomas, Boris, Ingo, On Fri, Jun 26, 2020 at 02:55:34PM -0700, Fenghua Yu wrote: > Add Sapphire Rapids processor to CPU list to enumerate split lock > feature. > > Signed-off-by: Fenghua Yu > Reviewed-by: Tony Luck > --- > arch/x86/kernel/cpu/intel.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c > index c25a67a34bd3..dca069ad6671 100644 > --- a/arch/x86/kernel/cpu/intel.c > +++ b/arch/x86/kernel/cpu/intel.c > @@ -1148,6 +1148,7 @@ static const struct x86_cpu_id split_lock_cpu_ids[] __initconst = { > X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, 1), > X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, 1), > X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, 1), > + X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, 1), > {} > }; Any comment on this patch? Thanks. -Fenghua