linux-kernel - Re: [PATCH v9 00/12] Support PPTT for ARM64

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Date:   Mon, 4 Jun 2018 16:12:24 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Jeremy Linton <jeremy.linton@....com>
Cc:     Mark.Rutland@....com, austinwc@...eaurora.org,
        tnowicki@...iumnetworks.com, palmer@...ive.com,
        Will.Deacon@....com, linux-riscv@...ts.infradead.org,
        wangxiongfeng2@...wei.com, vkilari@...eaurora.org,
        Lorenzo.Pieralisi@....com, jhugo@...eaurora.org,
        Morten.Rasmussen@....com, linux-acpi@...r.kernel.org,
        lenb@...nel.org, john.garry@...wei.com, ahs3@...hat.com,
        linux-arm-kernel@...ts.infradead.org, ard.biesheuvel@...aro.org,
        gregkh@...uxfoundation.org, rjw@...ysocki.net,
        linux-kernel@...r.kernel.org, hanjun.guo@...aro.org,
        Sudeep.Holla@....com, Dietmar.Eggemann@....com
Subject: Re: [PATCH v9 00/12] Support PPTT for ARM64

On Thu, May 17, 2018 at 06:05:24PM +0100, Catalin Marinas wrote:
> On Fri, May 11, 2018 at 06:57:55PM -0500, Jeremy Linton wrote:
> > Jeremy Linton (12):
> >   drivers: base: cacheinfo: move cache_setup_of_node()
> >   drivers: base: cacheinfo: setup DT cache properties early
> >   cacheinfo: rename of_node to fw_token
> >   arm64/acpi: Create arch specific cpu to acpi id helper
> >   ACPI/PPTT: Add Processor Properties Topology Table parsing
> >   ACPI: Enable PPTT support on ARM64
> >   drivers: base cacheinfo: Add support for ACPI based firmware tables
> >   arm64: Add support for ACPI based firmware tables
> >   arm64: topology: rename cluster_id
> >   arm64: topology: enable ACPI/PPTT based CPU topology
> >   ACPI: Add PPTT to injectable table list
> >   arm64: topology: divorce MC scheduling domain from core_siblings
> 
> Queued for 4.18 (without Sudeep's latest property_read_u64 cacheinfo
> patch - http://lkml.kernel.org/r/20180517154701.GA20281@e107155-lin; I
> can add it separately).

I'm going to revert patch 12 in this series (arm64: topology: divorce MC
scheduling domain from core_siblings) until the problem is understood
and a fix proposed and tested. It's likely that the PPTT for arm64 will
only be fully enabled in 4.19.

-- 
Catalin