From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 702C0316918; Mon, 27 Oct 2025 16:33:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761582804; cv=none; b=tVXYCTf7zrhwxQn/wdycNycYO25IZbkeRzfVtCB8QQgL9AtjrRVWcLlHloWDWkt8Ey2X0hgUvN8zCw5+KoALJqhFHTDn1gcMiWrGqOM/viu2jS3IZYhmHRvLJQ4QM6dTz70G2m5Mq4YQbn1HRuSEAszwp8vOvLZDCaYYUgc3xBw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761582804; c=relaxed/simple; bh=XDOjvRcPSnqlNPNSFNOMfSTBKGcACSV8dNB+v6CXk3w=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Nb19AZdY5ruEaVZf3Xa3sU5OVGi3wbG3ypxbS22Ji3QdFF2irjB7xoa5Rj6OpBB+keN5ZCteseDhj05qs42V0OPrzaCNyIP+hqKzKia1ahSIh7pRI3iT9dp9SomlwM3lNUQIF66ZUw8r+2U0Le1ntSPR2G9GemsExInhdpsnGoE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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