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 9B99BCCF9EB for ; Mon, 27 Oct 2025 16:33:32 +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=e7v32cTVEBoC1MdSHlKOXkYF0DlrsKoAVWcBnwugcnk=; b=edjfE6lR2aJHEoBqtYFPyEBr8+ 3OJ8hjbmSh02t+oGarsD5bGJ0S8TX3jX6830t+WevRH4nQRyyzFOhH3AqP3+Dv8a4vOYMf46q+121 BeA/akX9ZJRsFUrxwgtIXUQSqtqKa1tKAQ1F55TC6lhUfpMqa48ePVo83ojEkta2ULrw7n5aMppLi fztLuhsXTcNPrwlr09UkiiIKxpi89qexHYaEuUmDIQUUnyDWzH2oY1iBOGeEnCal/1wprr0G98tal 2r5/sIFa0KUy0FYMFcxM0WepFJTbqWI+w75imRvYI1VgvLgZ5TeQxQtgV9rPOIDzGCsIx31xoEhAY LFYeyung==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDQ9u-0000000EKXa-2jG5; Mon, 27 Oct 2025 16:33:26 +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 1vDQ9s-0000000EKWz-2Fnt for linux-arm-kernel@lists.infradead.org; Mon, 27 Oct 2025 16:33:26 +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 A2ABD169E; Mon, 27 Oct 2025 09:33:13 -0700 (PDT) Received: from [10.1.196.46] (e134344.arm.com [10.1.196.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2B4C73F63F; Mon, 27 Oct 2025 09:33:16 -0700 (PDT) Message-ID: <6380b1a2-45ea-4a7f-a1db-81d92442fca8@arm.com> Date: Mon, 27 Oct 2025 16:33:14 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 09/29] arm_mpam: Add MPAM MSC register layout definitions To: Jonathan Cameron , James Morse Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, D Scott Phillips OS , carl@os.amperecomputing.com, 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 , Dave Martin , Koba Ko , Shanker Donthineni , fenghuay@nvidia.com, baisheng.gao@unisoc.com, Rob Herring , Rohit Mathew , Rafael Wysocki , Len Brown , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Catalin Marinas , Will Deacon , Greg Kroah-Hartman , Danilo Krummrich , Jeremy Linton , Gavin Shan References: <20251017185645.26604-1-james.morse@arm.com> <20251017185645.26604-10-james.morse@arm.com> <20251024183228.00005a64@huawei.com> From: Ben Horgan Content-Language: en-US In-Reply-To: <20251024183228.00005a64@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-20251027_093324_620464_6D59E15D X-CRM114-Status: GOOD ( 12.89 ) 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 James, Jonathan, On 10/24/25 18:32, Jonathan Cameron wrote: > On Fri, 17 Oct 2025 18:56:25 +0000 > James Morse wrote: > >> Memory Partitioning and Monitoring (MPAM) has memory mapped devices >> (MSCs) with an identity/configuration page. >> >> Add the definitions for these registers as offset within the page(s). >> >> Link: https://developer.arm.com/documentation/ihi0099/latest/ > > I can't figure out how to get a stable link when there is only > one version. If possible would be good to use one. > > I guess it probably doesn't matter unless someone renames things as > you only have as subset of the fields currently there for some registers. > https://developer.arm.com/documentation/ihi0099/aa/ This link has the version, A.a, at the end so should be stable. I found this by visiting an unknown version, https://developer.arm.com/documentation/ihi0099/unknown/, and seeing where it redirects. Thanks, Ben