linux-kernel - Re: [PATCH v8 11/13] arm64: topology: enable ACPI/PPTT based CPU topology

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Message-ID: <20180503151513.GD28409@work-enc>
Date:   Thu, 3 May 2018 16:15:13 +0100
From:   Morten Rasmussen <morten.rasmussen@....com>
To:     Jeremy Linton <jeremy.linton@....com>
Cc:     linux-acpi@...r.kernel.org, Sudeep.Holla@....com,
        linux-arm-kernel@...ts.infradead.org, Lorenzo.Pieralisi@....com,
        hanjun.guo@...aro.org, rjw@...ysocki.net, Will.Deacon@....com,
        Catalin.Marinas@....com, gregkh@...uxfoundation.org,
        Mark.Rutland@....com, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, wangxiongfeng2@...wei.com,
        vkilari@...eaurora.org, ahs3@...hat.com, Dietmar.Eggemann@....com,
        palmer@...ive.com, lenb@...nel.org, john.garry@...wei.com,
        austinwc@...eaurora.org, tnowicki@...iumnetworks.com,
        jhugo@....qualcomm.com, timur@....qualcomm.com,
        ard.biesheuvel@...aro.org
Subject: Re: [PATCH v8 11/13] arm64: topology: enable ACPI/PPTT based CPU
 topology

On Wed, Apr 25, 2018 at 06:31:19PM -0500, Jeremy Linton wrote:
> Propagate the topology information from the PPTT tree to the
> cpu_topology array. We can get the thread id and core_id by assuming
> certain levels of the PPTT tree correspond to those concepts.
> The package_id is flagged in the tree and can be found by calling
> find_acpi_cpu_topology_package() which terminates
> its search when it finds an ACPI node flagged as the physical
> package. If the tree doesn't contain enough levels to represent
> all of the requested levels then the root node will be returned
> for all subsequent levels.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton@....com>

Acked-by: Morten Rasmussen <morten.rasmussen@....com>