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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F101CFA3743 for ; Mon, 31 Oct 2022 15:46:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232077AbiJaPqw (ORCPT ); Mon, 31 Oct 2022 11:46:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232078AbiJaPqc (ORCPT ); Mon, 31 Oct 2022 11:46:32 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDC0312743; Mon, 31 Oct 2022 08:46:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667231165; x=1698767165; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Rv2BsesbFTZnwZxgyh/OlXWZDsLx5F7KNt46lUd46hg=; b=IJG22uTYerEXdrdPp2pB1kmFFfPrT/QVTQpOqZ1lgD83mUXsQdyZl6oy 8UTljW7d71AfdsVNvSS3nQAyovbtVdxj0HwwyQ5HWgLmLmCF+AkDNM3vI 3WRtWDuRCl3xnWljmI1Xug4PHB3U/3/eP17PEXu0eK6qNojRtEtdSdxMP F4k7q9Qu7Z4rGFM9dC4DbLFs7iNZ68HI1TXnKhsqylJjMYiDx8cGLQMG6 9TcMJH1L2Tog4w+r0PT1mo4xGRAKxKNPxlCzNXYcqncTRonaw/EDG7eza wk7BzhdbtHonYlcT1fcV3MBgG5QVav70VPdbaNUDWrXXFFd62pbb5oDDc g==; X-IronPort-AV: E=McAfee;i="6500,9779,10517"; a="292224468" X-IronPort-AV: E=Sophos;i="5.95,228,1661842800"; d="scan'208";a="292224468" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2022 08:46:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10517"; a="664823186" X-IronPort-AV: E=Sophos;i="5.95,228,1661842800"; d="scan'208";a="664823186" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orsmga008.jf.intel.com with ESMTP; 31 Oct 2022 08:46:01 -0700 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: ak@linux.intel.com, Kan Liang , stable@vger.kernel.org Subject: [PATCH] perf/x86/intel: Add Cooper Lake stepping to isolation_ucodes[] Date: Mon, 31 Oct 2022 08:45:50 -0700 Message-Id: <20221031154550.571663-1-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Kan Liang The intel_pebs_isolation quirk checks both model number and stepping. Cooper Lake has a different stepping (11) than the other Skylake Xeon. It cannot benefit from the optimization in commit 9b545c04abd4f ("perf/x86/kvm: Avoid unnecessary work in guest filtering"). Add the stepping of Cooper Lake into the isolation_ucodes[] table. Signed-off-by: Kan Liang Cc: stable@vger.kernel.org --- arch/x86/events/intel/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index d8af75466ee9..dfd2c124cdf8 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -4908,6 +4908,7 @@ static const struct x86_cpu_desc isolation_ucodes[] = { INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 5, 0x00000000), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 6, 0x00000000), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 7, 0x00000000), + INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 11, 0x00000000), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_L, 3, 0x0000007c), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE, 3, 0x0000007c), INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 9, 0x0000004e), -- 2.35.1