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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E5B2C87FCA for ; Fri, 25 Jul 2025 17:13:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2ueWQAy9NKeOBPwY9q2/4YG3p/NKgE6FIhLz9uDT7E4=; b=4+OdT1juXjjejTiNCvl9iaKI7Q yq4985/HrvxqVvd3rIYdyrWce680gbt/1aY02zQq4U6pr4nmpsFSHFKiIOlxvbZRtriMzHSIRvUpa LHd8/nS+ySYxF0bq9+kuGbkjVDETBnjKZ5t8X6H3PCaCLUQmgFU6cTIg9p4WzVjCqiX2TIe49UibP UuT61nWoIbPWdapU+2ZQEIM0gWEnUlUgPsLYj6KHagm/MoOevJEOCCw/rhr5V3n9UBshqw00GFx/o b6CgjxEx5n4EUu3GBVT/URt+WHZqYHTf8W9MiMHO9kRXj0CO02bjn1FKW9hZHO2I0jN+yyQoxJHlx TNeJXZIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ufLzG-0000000AJ29-0DU9; Fri, 25 Jul 2025 17:13:38 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ufLrx-0000000AICs-1I2J for linux-arm-kernel@lists.infradead.org; Fri, 25 Jul 2025 17:06:06 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 01C1E176C; Fri, 25 Jul 2025 10:05:58 -0700 (PDT) Received: from [10.1.197.43] (eglon.cambridge.arm.com [10.1.197.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7A0BC3F66E; Fri, 25 Jul 2025 10:06:00 -0700 (PDT) Message-ID: <1097d0cf-deb7-4247-93eb-2fe8b23dbd6c@arm.com> Date: Fri, 25 Jul 2025 18:05:58 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 05/36] ACPI / PPTT: Add a helper to fill a cpumask from a processor container To: Jonathan Cameron Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Rob Herring , Ben Horgan , Rohit Mathew , Shanker Donthineni , Zeng Heng , Lecopzer Chen , Carl Worth , shameerali.kolothum.thodi@huawei.com, D Scott Phillips OS , lcherian@marvell.com, bobo.shaobowang@huawei.com, tan.shaopeng@fujitsu.com, baolin.wang@linux.alibaba.com, Jamie Iles , Xin Hao , peternewman@google.com, dfustini@baylibre.com, amitsinght@marvell.com, David Hildenbrand , Rex Nie , Dave Martin , Koba Ko , Sudeep Holla References: <20250711183648.30766-1-james.morse@arm.com> <20250711183648.30766-6-james.morse@arm.com> <20250722152807.000069d3@huawei.com> Content-Language: en-GB From: James Morse In-Reply-To: <20250722152807.000069d3@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250725_100605_396676_4EA12F13 X-CRM114-Status: GOOD ( 10.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Jonathan, On 22/07/2025 15:28, Jonathan Cameron wrote: > On Fri, 11 Jul 2025 18:36:17 +0000 > James Morse wrote: > >> The PPTT describes CPUs and caches, as well as processor containers. >> The ACPI table for MPAM describes the set of CPUs that can access an MSC >> with the UID of a processor container. >> >> Add a helper to find the processor container by its id, then walk >> the possible CPUs to fill a cpumask with the CPUs that have this >> processor container as a parent. >> +/** >> + * acpi_pptt_get_cpus_from_container() - Populate a cpumask with all CPUs in a >> + * processor containers >> + * @acpi_cpu_id: The UID of the processor container. >> + * @cpus The resulting CPU mask. > Missing colon. > > From a W=1 build (and hence kernel-doc warning). Thanks! W=1 spews so much output I tend to rely on the kbuild robot to report if I'm making it worse! James