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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n13-20020a05640205cd00b0048024f3aec4si9876863edx.617.2023.01.12.12.12.03; Thu, 12 Jan 2023 12:12:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=TYwqzNh5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233877AbjALUHs (ORCPT + 99 others); Thu, 12 Jan 2023 15:07:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241657AbjALUEf (ORCPT ); Thu, 12 Jan 2023 15:04:35 -0500 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66FF519C29 for ; Thu, 12 Jan 2023 12:01:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1673553715; x=1705089715; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=CRC1QpMRvg+SgNUKD7+JhmJV8K8WczePzSImvqnWffY=; b=TYwqzNh5Qc+JbAbvYCeqFsW9H613MyoS+lYRHJsyB8hxTlHeF8pPbp1x WjLAHIpvhq9DMJXM1ozLdihakSBpPMuFQ6dIGMshD9EaEVXq9lyI3thWD kWNyiC0BtbbV9lUO4d+Sj1IkUjNREM53KB318FPOiFivhomWxcjXpj68B 14/bHo3fdPnHAyGAhQ7Lo/T5dPChb9IPznGR40t6l4RlP4leXJCmcO35i NRV/VcWZX3LSslSVTsjFz4xax7e1FxP6mjMw7Ezc9JsHIhtF9JHDwlP3v yVw0Wpui87IXZ7FGgNsj9QdnKr7FB6Cd61Oul9hW/G6gWklqMz7pK2Ho6 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10588"; a="325867090" X-IronPort-AV: E=Sophos;i="5.97,211,1669104000"; d="scan'208";a="325867090" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2023 12:01:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10588"; a="657959922" X-IronPort-AV: E=Sophos;i="5.97,211,1669104000"; d="scan'208";a="657959922" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orsmga002.jf.intel.com with ESMTP; 12 Jan 2023 12:01:29 -0800 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: steve.wahl@hpe.com, alexander.antonov@linux.intel.com, ak@linux.intel.com, eranian@google.com, namhyung@kernel.org, Kan Liang Subject: [PATCH RESEND 0/5] Fix UPI uncore issue on SPR Date: Thu, 12 Jan 2023 12:01:00 -0800 Message-Id: <20230112200105.733466-1-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1754848925050096547?= X-GMAIL-MSGID: =?utf-8?q?1754848925050096547?= From: Kan Liang The discovery table of UPI on SPR MCC is broken. The patch series is to mitigate the issue by providing a hardcode pre-defined table. The broken discovery table can trigger a kernel warning message, which is overkilled. The patch series also refine the error handling code. Kan Liang (5): perf/x86/uncore: Factor out uncore_device_to_die() perf/x86/uncore: Fix potential NULL pointer in uncore_get_alias_name perf/x86/uncore: Ignore broken units in discovery table perf/x86/uncore: Add a quirk for UPI on SPR perf/x86/uncore: Don't WARN_ON_ONCE() for a broken discovery table arch/x86/events/intel/uncore.c | 34 ++++- arch/x86/events/intel/uncore.h | 4 + arch/x86/events/intel/uncore_discovery.c | 60 ++++++--- arch/x86/events/intel/uncore_discovery.h | 14 +- arch/x86/events/intel/uncore_snbep.c | 158 ++++++++++++++++++----- 5 files changed, 210 insertions(+), 60 deletions(-) Tested-by: Michael Petlan Tested-by: Steve Wahl Reviewed-by: Steve Wahl