linux-kernel - Re: [PATCH 0/2] Add EDAC support for Kryo CPU core caches

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Date:   Fri, 24 Jan 2020 19:34:51 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     James Morse <james.morse@....com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        Robert Richter <rrichter@...vell.com>,
        linux-edac@...r.kernel.org, tsoni@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Evan Green <evgreen@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>, psodagud@...eaurora.org,
        linux-arm-kernel@...ts.infradead.org, baicar@...amperecomputing.com
Subject: Re: [PATCH 0/2] Add EDAC support for Kryo CPU core caches

Hello James,

On 2020-01-16 00:16, James Morse wrote:
> Hi Sai,
> 
> (CC: +Tyler)
> 
> On 05/12/2019 09:52, Sai Prakash Ranjan wrote:
>> This series implements EDAC support for error reporting on
>> Kryo{3,4}XX CPU caches L1,L2, L3-SCU. All the cores(big.LITTLE)
>> in Kryo{3,4}XX CPUs implement RAS extensions and use interrupt
>> based ECC mechanism to report errors.
>> 
>> This series has been tested on SC7180, SDM845, SM8150 SoCs with
>> Kryo{3,4}XX CPU cores based on ARM Cortex-A55, Cortex-A75 and
>> Cortex-A76.
>> 
>> This implementation is platform specific in contrast to the
>> patch posted last time for generic error reporting on arm cortex
>> implementations with RAS extensions by Kyle Yan.
>>  - https://patchwork.kernel.org/patch/10161955/
> 
> I think that series was dropped because it was too soc-specific and
> overlaps with the v8.2
> kernel first support. That series was superseded by:
> lore.kernel.org/r/1562086280-5351-1-git-send-email-baicar@...amperecomputing.com
> 
> Can you work with Tyler on a combined series? The combined support may
> need to look quite
> different. (DT and big/little being the obvious differences).
> 
> I'm afraid this is the tip of the kernel-first-RAS iceberg.
> 

Sorry for the delayed response. Sure, I will take a look at the series 
posted by Tyler.
It might take some time to come up with that but should be doable with 
your review :)

Thanks,
Sai

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