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Date:   Mon, 16 Jan 2017 09:26:36 -0500
From:   Christopher Covington <cov@...eaurora.org>
To:     Mark Rutland <mark.rutland@....com>,
        Timur Tabi <timur@...eaurora.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Mark Langsdorf <mlangsdo@...hat.com>,
        linux-doc@...r.kernel.org, kvm@...r.kernel.org,
        Marc Zyngier <marc.zyngier@....com>,
        Jon Masters <jcm@...hat.com>, Jonathan Corbet <corbet@....net>,
        Will Deacon <will.deacon@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        kvmarm@...ts.cs.columbia.edu
Subject: Re: [PATCH v3 2/5] arm64: Work around Falkor erratum 1003

Hi Mark,

On 01/11/2017 01:45 PM, Mark Rutland wrote:
> On Wed, Jan 11, 2017 at 12:40:42PM -0600, Timur Tabi wrote:
>> On 01/11/2017 12:37 PM, Mark Rutland wrote:
>>> The name, as it is, is perfectly descriptive.
>>>
>>> Let's not sacrifice legibility over a non-issue.
>>
>> I don't want to kick a dead horse or anything, but changing it to
>> QCOM_FLKR_ERRATUM_1003 would eliminate all the spacing problems
>> without sacrificing anything.
> 
> The CPU is called "Falkor", not "FLKR", and we're not coming up with an
> ACPI table name...
> 
> The ARM Ltd. erratum numbers are global to all parts, so we don't
> include the part name. Is the 1003 erratum number specific to Falkor?
>
> If it's global, you could use QCOM_ERRATUM_1003 instead.

E1003 is specific to Falkor, and hopefully just its first major revision.
Qualcomm Technology's first/previous generation ARMv8 custom
microarchitecture used errata numbers below 1000. I am not aware of
global coordination in the numbering, unfortunately.

> Otherwise, QCOM_FALKOR_ERRATUM_1003 is preferable.

Thanks,
Cov

-- 
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code
Aurora Forum, a Linux Foundation Collaborative Project.

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