EDAC driver for ARMv8 L1/L2 cache

[York Sun]

On 01/09/2018 01:43 PM, Borislav Petkov wrote:
> Adding some more people to CC.
> 
> On Tue, Jan 09, 2018 at 08:48:43PM +0000, York Sun wrote:
>> Borislav,
>>
>> Are you aware of any existing (or in development) EDAC driver for ARMv8
>> L1/L2 cache? I am thinking to write one if not available yet.
> 
> no I'm not but I see two EDAC drivers for ARM64: thunderx and xgene.
> 
> Please synchronize with their authors and ARM people what would be the
> best thing to do and try extracting shared functionality from them
> into a common compilation unit instead of duplicating it. I don't want
> separate drivers per functional unit.
> 

Thanks for the pointer. Thunderx and xgene's drivers have different
implementation on the hardware. I found one patch closer to what I
expect, https://patchwork.kernel.org/patch/7513231/. I don't see
activities after 2015. I will reach out to the author.

York