linux-kernel - Re: [PATCH 00/33] arm_mpam: Add basic mpam driver

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Message-ID: <6fdc9ddc-7411-462e-ae71-82c81f7f8f1e@kernel.org>
Date: Sun, 24 Aug 2025 19:24:11 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: James Morse <james.morse@....com>, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
 devicetree@...r.kernel.org
Cc: shameerali.kolothum.thodi@...wei.com,
 D Scott Phillips OS <scott@...amperecomputing.com>,
 carl@...amperecomputing.com, lcherian@...vell.com,
 bobo.shaobowang@...wei.com, tan.shaopeng@...itsu.com,
 baolin.wang@...ux.alibaba.com, Jamie Iles <quic_jiles@...cinc.com>,
 Xin Hao <xhao@...ux.alibaba.com>, peternewman@...gle.com,
 dfustini@...libre.com, amitsinght@...vell.com,
 David Hildenbrand <david@...hat.com>, Rex Nie <rex.nie@...uarmicro.com>,
 Dave Martin <dave.martin@....com>, Koba Ko <kobak@...dia.com>,
 Shanker Donthineni <sdonthineni@...dia.com>, fenghuay@...dia.com,
 baisheng.gao@...soc.com, Jonathan Cameron <jonathan.cameron@...wei.com>,
 Rob Herring <robh@...nel.org>, Rohit Mathew <rohit.mathew@....com>,
 Rafael Wysocki <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>, Hanjun Guo
 <guohanjun@...wei.com>, Sudeep Holla <sudeep.holla@....com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Catalin Marinas <catalin.marinas@....com>,
 Will Deacon <will@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Danilo Krummrich <dakr@...nel.org>
Subject: Re: [PATCH 00/33] arm_mpam: Add basic mpam driver

On 22/08/2025 17:29, James Morse wrote:
> Hello,
> 
> This is just enough MPAM driver for the ACPI and DT pre-requisites.
> It doesn't contain any of the resctrl code, meaning you can't actually drive it
> from user-space yet. Becuase of that, its hidden behind CONFIG_EXPERT.
> This will change once the user interface is connected up.
> 
> This is the initial group of patches that allows the resctrl code to be built
> on top. Including that will increase the number of trees that may need to
> coordinate, so breaking it up make sense.
> 

There was v1 of this, so that's a v2. Start using b4 to get it right,
because you just make it difficult for us to review.

Try yourself:

b4 diff <this-patchset>

Works? No.

Also, for some reason you sent it twice, so again: use b4.




Best regards,
Krzysztof