From nobody Sun Apr 19 12:15:23 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0737C433EF for ; Fri, 1 Jul 2022 13:19:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231316AbiGANTz (ORCPT ); Fri, 1 Jul 2022 09:19:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230291AbiGANTx (ORCPT ); Fri, 1 Jul 2022 09:19:53 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86FA65C9FF for ; Fri, 1 Jul 2022 06:19:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656681592; x=1688217592; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ZqMGSZjFjyARnxG8NRGlZuwYjYY/VNl/v/wu27Gtvtw=; b=UygUvGo5lk2Ax0rfVE9Eyyb3OVaTSVGpwp5mSOrz0rHdNNjBT6qkhfi1 PZ2x6093FT0XHnCkcq1er65U10KAhkczR5WEOyo/sH5/d6BFe8nISeTN7 1TTgmAn7yPAO8B9M2XOjD5jyY7/I41D4domoQ6WfcPBgl9wjw9UI70vWB rSBW23C70VF5Igo1XXVcDkTjz6bCLkmdM+zFVsJybRZYMPGCfd1cpPnoa oMN4eteovzNP0l5TLbAWywKxMeQQAlPxG0upZRFSuf1J8LrxeKEhooo6i FAz81VaYTWGST8/YSf0C1YCZvHK22fdFrh4IYya12OjBFnD5P3idoHyo5 w==; X-IronPort-AV: E=McAfee;i="6400,9594,10394"; a="283382772" X-IronPort-AV: E=Sophos;i="5.92,237,1650956400"; d="scan'208";a="283382772" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2022 06:19:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,237,1650956400"; d="scan'208";a="681400926" Received: from fyu1.sc.intel.com ([172.25.103.126]) by FMSMGA003.fm.intel.com with ESMTP; 01 Jul 2022 06:19:43 -0700 From: Fenghua Yu To: "Thomas Gleixner" , "Borislav Petkov" , "Dave Hansen" , "Ingo Molnar" , "Tony Luck" Cc: "x86" , "linux-kernel" , Fenghua Yu Subject: [PATCH] x86/split_lock: Enable the split lock detect feature on Raptor Lake P and Alder Lake N CPUs Date: Fri, 1 Jul 2022 06:19:58 -0700 Message-Id: <20220701131958.687066-1-fenghua.yu@intel.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" These CPU models support the split lock detect feature. Add them to the x86_cpu_ids match table. Signed-off-by: Fenghua Yu Reviewed-by: Tony Luck --- This patch supersedes the earlier: https://lore.kernel.org/lkml/20220609193549.2725612-1-fenghua.yu@intel.com/ that just added Raptor Lake P. arch/x86/kernel/cpu/intel.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index fd5dead8371c..5afb7d3d248d 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1290,6 +1290,8 @@ static const struct x86_cpu_id split_lock_cpu_ids[] _= _initconst =3D { X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, 1), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, 1), X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, 1), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, 1), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, 1), {} }; =20 --=20 2.32.0