linux-kernel - Re: [PATCH 00/12] DT: CPU h/w id parsing clean-ups and cacheinfo id support

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Date:   Wed, 6 Oct 2021 19:24:50 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Rob Herring <robh@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        James Morse <james.morse@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Guo Ren <guoren@...nel.org>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, x86@...nel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-csky@...r.kernel.org, openrisc@...ts.librecores.org,
        linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
        linux-sh@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 00/12] DT: CPU h/w id parsing clean-ups and cacheinfo id
 support



On 10/6/2021 9:43 AM, Rob Herring wrote:
> The first 10 patches add a new function, of_get_cpu_hwid(), which parses
> CPU DT node 'reg' property, and then use it to replace all the open
> coded versions of parsing CPU node 'reg' properties.
> 
> The last 2 patches add support for populating the cacheinfo 'id' on DT
> platforms. The minimum associated CPU hwid is used for the id. The id is
> optional, but necessary for resctrl which is being adapted for Arm MPAM.
> 
> Tested on arm64. Compile tested on arm, x86 and powerpc.

On ARM and ARM64:

Tested-by: Florian Fainelli <f.fainelli@...il.com>

lscpu -C continues to work on ARM64 as before with cache properties 
provided in the FDT.
-- 
Florian