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 94D1727FB05; Wed, 18 Feb 2026 17:02:16 +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=1771434137; cv=none; b=RzhXR7gpgNnO06yQl9x/RSXxDPrTg4dUCGwqG4mAZ2fhvgv87hW4IFZ03QS3xW7CuLRxIFsLeG6QWDcx+h/fmv5k5kYp6apfrgx1lZUnRL9QcaAqiiPhu4Vy2NG8IBRQ7YL5emGdJGvCB5tonDDsTX/Txsi4zVAB3+NCXZ7d3fM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771434137; c=relaxed/simple; bh=FbspF4cZNt8xwQgfm66zQ000CMjwK09OZUhidFbe9Wc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WdL/GzdRBUIgDWnHlVchqrwTq1HKXGcR/qGJdrHiNvL4PqScgZoL3SzwKB6uBFbAmtUKPIJIpyNMiWThpiyNwltaHhjZK5CpYkpLB7Mq4y/GRddVgyB+1ndtekLNkMCGOf9SVp5L/aZ3s//t5aZ7dYFriBnpOf1XzjFhyPP9PKU= 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 97A0E339; Wed, 18 Feb 2026 09:02:09 -0800 (PST) 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 BF5843F62B; Wed, 18 Feb 2026 09:02:10 -0800 (PST) Message-ID: <9d0cc06b-f8cb-43bb-94da-98d106cb5798@arm.com> Date: Wed, 18 Feb 2026 17:02:09 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 41/41] arm64: mpam: Add initial MPAM documentation To: Jonathan Cameron Cc: amitsinght@marvell.com, baisheng.gao@unisoc.com, baolin.wang@linux.alibaba.com, carl@os.amperecomputing.com, dave.martin@arm.com, david@kernel.org, dfustini@baylibre.com, fenghuay@nvidia.com, gshan@redhat.com, james.morse@arm.com, kobak@nvidia.com, lcherian@marvell.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, peternewman@google.com, punit.agrawal@oss.qualcomm.com, quic_jiles@quicinc.com, reinette.chatre@intel.com, rohit.mathew@arm.com, scott@os.amperecomputing.com, sdonthineni@nvidia.com, tan.shaopeng@fujitsu.com, xhao@linux.alibaba.com, catalin.marinas@arm.com, will@kernel.org, corbet@lwn.net, maz@kernel.org, oupton@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, kvmarm@lists.linux.dev, zengheng4@huawei.com, linux-doc@vger.kernel.org References: <20260203214342.584712-1-ben.horgan@arm.com> <20260203214342.584712-42-ben.horgan@arm.com> <20260205170557.00000d4d@huawei.com> From: Ben Horgan Content-Language: en-US In-Reply-To: <20260205170557.00000d4d@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Jonathan, On 2/5/26 17:05, Jonathan Cameron wrote: > On Tue, 3 Feb 2026 21:43:42 +0000 > Ben Horgan wrote: > >> MPAM (Memory Partitioning and Monitoring) is now exposed to user-space via >> resctrl. Add some documentation so the user knows what features to expect. >> >> Signed-off-by: James Morse >> Signed-off-by: Ben Horgan >> --- >> Changes by Ben: >> Some tidying, update for current heuristics >> --- >> Documentation/arch/arm64/index.rst | 1 + >> Documentation/arch/arm64/mpam.rst | 93 ++++++++++++++++++++++++++++++ >> 2 files changed, 94 insertions(+) >> create mode 100644 Documentation/arch/arm64/mpam.rst >> >> diff --git a/Documentation/arch/arm64/index.rst b/Documentation/arch/arm64/index.rst >> index 6a012c98bdcd..189fa760dade 100644 >> --- a/Documentation/arch/arm64/index.rst >> +++ b/Documentation/arch/arm64/index.rst >> @@ -23,6 +23,7 @@ ARM64 Architecture >> memory >> memory-tagging-extension >> mops >> + mpam >> perf >> pointer-authentication >> ptdump >> diff --git a/Documentation/arch/arm64/mpam.rst b/Documentation/arch/arm64/mpam.rst >> new file mode 100644 >> index 000000000000..0769bccff25e >> --- /dev/null >> +++ b/Documentation/arch/arm64/mpam.rst >> @@ -0,0 +1,93 @@ >> +.. SPDX-License-Identifier: GPL-2.0 >> + >> +==== >> +MPAM >> +==== >> + >> +What is MPAM >> +============ > > >> + MPAM (Memory Partitioning and Monitoring) is a feature in the CPUs and memory > > I've not seen this style of indenting much in rst. I checked a few > files in this directory and it's not used in the ones I randomly picked. > + it's not what the kernel-documentation.rst file suggests is standard > formatting. I seem to have needlessly invented a new style. I've not removed lots of white space. It should match the rest now. > > Other than that the content looks fine to me. > > Jonathan Thanks, Ben