linux-kernel - Re: [RFT PATCH v1 4/4] RISC-V: Parse cpu topology during boot.

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Message-ID: <20181203165957.GC17883@e107155-lin>
Date:   Mon, 3 Dec 2018 16:59:57 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Atish Patra <atish.patra@....com>
Cc:     linux-kernel@...r.kernel.org, Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <anup@...infault.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        devicetree@...r.kernel.org,
        Dmitriy Cherkasov <dmitriy@...-tech.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        Jeremy Linton <jeremy.linton@....com>,
        Juri Lelli <juri.lelli@....com>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-riscv@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will.deacon@....com>,
        Sudeep Holla <sudeep.holla@....com>
Subject: Re: [RFT PATCH v1 4/4] RISC-V: Parse cpu topology during boot.

On Thu, Nov 29, 2018 at 03:28:20PM -0800, Atish Patra wrote:
> Currently, there are no topology defined for RISC-V.
> Parse the cpu-map node from device tree and setup the
> cpu topology.
>
> CPU topology after applying the patch.
> $cat /sys/devices/system/cpu/cpu2/topology/core_siblings_list
> 0-3
> $cat /sys/devices/system/cpu/cpu3/topology/core_siblings_list
> 0-3
> $cat /sys/devices/system/cpu/cpu3/topology/physical_package_id
> 0
> $cat /sys/devices/system/cpu/cpu3/topology/core_id
> 3
>

That looks simple. Good reuse and thanks for unifying.

FWIW,

Acked-by:Sudeep Holla <sudeep.holla@....com>

--
Regards,
Sudeep