From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CD6E3C2B8F; Tue, 26 May 2026 21:27:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779830877; cv=none; b=c0RaXd/q3m928XKjuhZgXkv2+WoB2iYE5rqiF3XXSHCG1/+mtwR86CgJiyXxX71rXhlcdt2yC6x54pDQaBDE5rdSv3HL5QWViTPPeYf1PXrDvxXRVzVTXg/E2AMvlw6nq7tSXxTgqi/aPNgytAfh88rhb7WavN2+WybMlvKnEVE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779830877; c=relaxed/simple; bh=dSHbHvZG3p7/g67zJ/H5Ga3AP9OeDKvrj5MYOEh4LXM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=U4FUAjGqHACRIKCX7XUzMJJTaWWyAhe01aWRcFrcq8iK81vYF9pStFFPWXMWbyG54l3xj4OzWdCq/cgEctRzpLE3I7th0jSsupsO6zhvjD6ICD3n9Sv5JGPsL46jq2xkbSZr6ftYW9vTClpV7Lj2Qacn2cFOHIKHtHzYfqdKu48= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Q7HIBWGP; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Q7HIBWGP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779830875; x=1811366875; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=dSHbHvZG3p7/g67zJ/H5Ga3AP9OeDKvrj5MYOEh4LXM=; b=Q7HIBWGPtUtJ853nm6ckMza0+seXUEMGkfLVZUrA3X/5eLYpIjrBKRep Ofi+9/uAo5fKjmZCO/QVZGsdKxuY1GzN0gkeqwFBtom8l4mmRksKt0CtW q9poBtSwQ2gnWSOEbECFycXUITat0WZgFZBOF/jrfPV2nKLxt7V8rbO7q SOFTqxvjv7wSERFhks7k2ntCRWClwPp4El1KUKUKQIClh7AGT0jgrIrIa v03vxniOdETtpdxMUfwasnNHltAtSMu8aJpnbEJm/dkPllCFpkx1Ze42b EHjJMNLZ/Vkwjq8pdke3wOhBfJSEuBEKDbpW/xtRkRu6IJ5hPZS75BBZW w==; X-CSE-ConnectionGUID: 66QQbhSpSJG662cm3J1dGw== X-CSE-MsgGUID: gi5G4I4+Tpq1PYN73aajiA== X-IronPort-AV: E=McAfee;i="6800,10657,11798"; a="91764210" X-IronPort-AV: E=Sophos;i="6.24,170,1774335600"; d="scan'208";a="91764210" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2026 14:27:54 -0700 X-CSE-ConnectionGUID: /oedCxOyRGS6aKgHoguueg== X-CSE-MsgGUID: MBiztqYGTR+c3X31G+tsJA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,170,1774335600"; d="scan'208";a="280158802" Received: from 9cc2c43eec6b.jf.intel.com ([10.54.77.29]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2026 14:27:54 -0700 From: Zide Chen To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , Andi Kleen , Eranian Stephane Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Dapeng Mi , Zide Chen Subject: [PATCH V2 0/7] perf/x86/intel/uncore: Bug fixes and cleanups Date: Tue, 26 May 2026 14:18:46 -0700 Message-ID: <20260526211846.121640-1-zide.chen@intel.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series includes bug fixes and cleanups for the Intel uncore PMU driver. - Patch 1 fixes a theoretical bug in discovery unit lookup on multi-die systems. - Patch 2 guards against an invalid box control address. - Patch 3 fixes a PCI device refcount leak in UPI topology discovery. - Patch 4 works around a hardware issue on Raptor Cove CPUs. - Patches 5-7 implement a global MSR init callback for GNR/GRR/SRF/CWF uncore. Changes in v2: - Add patch 2 to guard against invalid box control address (Sashiko) - Remove WARN_ON_ONCE() from patch 1 - Move cpus_read_{lock,unlock}() out of uncore_die_to_cpu() (Sashiko) Zide Chen (7): perf/x86/intel/uncore: Fix discovery unit lookup for multi-die systems perf/x86/intel/uncore: Guard against invalid box control address perf/x86/intel/uncore: Fix PCI device refcount leak in UPI discovery perf/x86/intel/uncore: Defer ADL global PMON enable to enable_box() perf/x86/intel/uncore: Move die_to_cpu() to uncore.c perf/x86/intel/uncore: Fix uncore_die_to_cpu() for offline dies perf/x86/intel/uncore: Implement global init callback for GNR uncore arch/x86/events/intel/uncore.c | 32 ++++++++++++++++++- arch/x86/events/intel/uncore.h | 3 +- arch/x86/events/intel/uncore_discovery.c | 40 +++++++++++++++++------- arch/x86/events/intel/uncore_snb.c | 7 ----- arch/x86/events/intel/uncore_snbep.c | 36 +++++++-------------- 5 files changed, 74 insertions(+), 44 deletions(-) -- 2.54.0