From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756801AbcEFI7r (ORCPT ); Fri, 6 May 2016 04:59:47 -0400 Received: from mga09.intel.com ([134.134.136.24]:23427 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751232AbcEFI7o (ORCPT ); Fri, 6 May 2016 04:59:44 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,586,1455004800"; d="scan'208";a="697689770" From: hchrzani To: hubert.chrzaniuk@intel.com, lukasz.anaczkowski@intel.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, peterz@infradead.org, kan.liang@intel.com, vthakkar1994@gmail.com, bp@suse.de, harish.chegondi@intel.com, izumi.taku@jp.fujitsu.com, linux-kernel@vger.kernel.org Cc: Lawrence F Meadows Subject: [PATCH] perf/x86/intel/uncore: Fix CHA registers configuration procedure for Knights Landing platform Date: Fri, 6 May 2016 10:59:31 +0200 Message-Id: <1462525171-14643-1-git-send-email-hubert.chrzaniuk@intel.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CHA events in Knights Landing platform require programming filter registers properly. Before change, code lacked mandatory bitset operations for reserved bits. As a result some events were not counted. Fixes: 77af003 ('perf/x86/intel/uncore: Add Knights Landing uncore PMU support') Signed-off-by: Hubert Chrzaniuk Signed-off-by: Lawrence F Meadows --- arch/x86/events/intel/uncore_snbep.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index ab2bcaa..47d7216 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -1902,6 +1902,7 @@ static int knl_cha_hw_config(struct intel_uncore_box *box, reg1->reg = HSWEP_C0_MSR_PMON_BOX_FILTER0 + KNL_CHA_MSR_OFFSET * box->pmu->pmu_idx; reg1->config = event->attr.config1 & knl_cha_filter_mask(idx); + reg1->config |= 0x23ull << 32; reg1->idx = idx; } return 0; -- 1.8.3.1