From nobody Tue Mar 3 05:11:48 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 E9E162DF12F for ; Mon, 2 Mar 2026 18:46:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772477189; cv=none; b=ZrrNlvhr1WEieSvVfxwWi4d4s8gJ8ySxZ5b2EU9Ppvih/Hj9a8u2tHWi+UddCADlPBQ7K/Epcej/bAuipSAEECYvFpM9UJeVJ5KHPL0d++AiuTxGAz8ND/PGxWI2j+tjiTHPmc9e9+53M1ssIngkip8dyKz5rVb6uf2CZttQkuk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772477189; c=relaxed/simple; bh=lPprbTGisbGA0s+d/uOwEM9KiYptDpYY2nJtKbgMbQQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hZRV+ZM1vTKv9XHaMuefBphKj0K21lmCckvaPYzNkTpnvbdW4kyr4rT3nMz8Dyb5rPdU8PGQkBGoARZ+yvWE+eaX6VE29MlxEvd13SaU0aIAMTsU/hesrzjcuSE3WQJzM3Qc9QC+cxgq2VGC6nXB/or/jbPWekXBCwi/r5f3aTc= 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=MRNrB7/w; arc=none smtp.client-ip=192.198.163.11 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="MRNrB7/w" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772477188; x=1804013188; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lPprbTGisbGA0s+d/uOwEM9KiYptDpYY2nJtKbgMbQQ=; b=MRNrB7/wT3O7LWWbbhQZeh4Ybdb6JIZQoXtINcqO5oN2ieTuJuCNyl45 k2TG9IEQlkeD/yGl3kPan64HRKcwqGq5zRGoCrp4pW0/+79bdzr/aK384 RYBJYWT4H9UXuzdZXCYBiRe5CzxT0wK8EL1ABsylqLWTourAwDV0N0SUA +r428a1dsjfUiJDSmmL5J7AiCvH/FdzbWUOCkmbF+In/nmJg9l7oPk3dB yPzLQOTKGgJrKZRfAY5xcddSaSG7W7Uae4Kca8ZpDJBxaV/paRuZxRqsD wu8L/fWN1nGCW10KlvEQubdRyLJ7azk4S+7xTqV36cd221yGUAIEgA60V g==; X-CSE-ConnectionGUID: zU16xz+iQkWC/2TFZeibBg== X-CSE-MsgGUID: RH75krrZRRGrs+zBePkteA== X-IronPort-AV: E=McAfee;i="6800,10657,11717"; a="84135420" X-IronPort-AV: E=Sophos;i="6.21,320,1763452800"; d="scan'208";a="84135420" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2026 10:46:26 -0800 X-CSE-ConnectionGUID: JCQRu/dqQ8KB0ZBbsmdL4A== X-CSE-MsgGUID: SEJPw139QMm+4U2hSuKJcg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,320,1763452800"; d="scan'208";a="255604077" Received: from rchatre-desk1.jf.intel.com ([10.165.154.99]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2026 10:46:26 -0800 From: Reinette Chatre To: tony.luck@intel.com, james.morse@arm.com, Dave.Martin@arm.com, babu.moger@amd.com, bp@alien8.de, tglx@linutronix.de, dave.hansen@linux.intel.com Cc: x86@kernel.org, hpa@zytor.com, ben.horgan@arm.com, fustini@kernel.org, fenghuay@nvidia.com, peternewman@google.com, linux-kernel@vger.kernel.org, patches@lists.linux.dev, reinette.chatre@intel.com Subject: [PATCH 01/11] fs/resctrl: Add missing return value descriptions Date: Mon, 2 Mar 2026 10:46:07 -0800 Message-ID: X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Using the stricter "./tools/docs/kernel-doc -Wall -v" to verify proper formatting of documentation comments includes warnings related to return markup on functions that are omitted during the default verification checks. This stricter verification reports a couple of missing return descriptions in resctrl: Warning: .../fs/resctrl/rdtgroup.c:1536 No description found for return= value of 'rdtgroup_cbm_to_size' Warning: .../fs/resctrl/rdtgroup.c:3131 No description found for return= value of 'mon_get_kn_priv' Warning: .../fs/resctrl/rdtgroup.c:3523 No description found for return= value of 'cbm_ensure_valid' Warning: .../fs/resctrl/monitor.c:238 No description found for return v= alue of 'resctrl_find_cleanest_closid' Add the missing return descriptions. Signed-off-by: Reinette Chatre --- fs/resctrl/monitor.c | 2 ++ fs/resctrl/rdtgroup.c | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/fs/resctrl/monitor.c b/fs/resctrl/monitor.c index 0cd5476a483a..93db7c1cd7be 100644 --- a/fs/resctrl/monitor.c +++ b/fs/resctrl/monitor.c @@ -234,6 +234,8 @@ static struct rmid_entry *resctrl_find_free_rmid(u32 cl= osid) * * When the CLOSID and RMID are independent numbers, the first free CLOSID= will * be returned. + * + * Return: Free CLOSID on success, < 0 on failure. */ int resctrl_find_cleanest_closid(void) { diff --git a/fs/resctrl/rdtgroup.c b/fs/resctrl/rdtgroup.c index ba8d503551cd..3c9508fc558d 100644 --- a/fs/resctrl/rdtgroup.c +++ b/fs/resctrl/rdtgroup.c @@ -1519,6 +1519,8 @@ static ssize_t rdtgroup_mode_write(struct kernfs_open= _file *of, * * @cbm is unsigned long, even if only 32 bits are used to make the * bitmap functions work correctly. + * + * Return: size in bytes, 0 on failure. */ unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, struct rdt_ctrl_domain *d, unsigned long cbm) @@ -3102,6 +3104,8 @@ static void rmdir_all_sub(void) * @mevt: The type of event file being created. * @do_sum: Whether SNC summing monitors are being created. Only set * when @rid =3D=3D RDT_RESOURCE_L3. + * + * Return: Pointer to mon_data private data of the event, NULL on failure. */ static struct mon_data *mon_get_kn_priv(enum resctrl_res_level rid, int do= mid, struct mon_evt *mevt, @@ -3496,6 +3500,8 @@ static int mkdir_mondata_all(struct kernfs_node *pare= nt_kn, * resource group is initialized. The user can follow this with a * modification to the CBM if the default does not satisfy the * requirements. + * + * Return: A CBM that is valid for resource @r. */ static u32 cbm_ensure_valid(u32 _val, struct rdt_resource *r) { --=20 2.50.1