Re: [PATCH] ACPI/APEI: Add BERT data driver

From: Punit Agrawal
Date: Thu Aug 17 2017 - 06:25:33 EST


"Luck, Tony" <tony.luck@xxxxxxxxx> writes:

>> One thing I missed commenting on in the previous version -
>>
>> Have you thought of exposing the error records via /sys/firmware/acpi?
>> The tables are already exposed there and as BERT is part of ACPI
>> logically that's a better fit compared to a misc device.
>
> That was my first thought :-)
>
> But I got stuck on how to name things. The BERT entry appears in
> /sys/firmware/acpi/tables/ ... but the code doesn't know anything special
> about "BERT", it just iterates over all the tables and makes them all
> appear.
>
> I thought about making it /sys/firmware/acpi/tables/BERT.data, but that
> seemed very ugly (this file isn't a "table", so why does it appear in the
> "tables" directory? So maybe /sys/firmware/acpi/table-data/BERT? Now
> the driver has to make another directory.
>
> Thoughts?

I agree that keeping the error record out of the tables directory makes
sense as it's not an ACPI table.

The best I could come up with was bert-data or bert-region in
/sys/firmware/acpi/apei/.

Though, I am OK with "table-data/BERT" as well.

>
> -Tony
> --
> To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html