Re: [PATCH v8 3/4] drivers/acpi: Introduce Platform Firmware Runtime Update Telemetry

[Andy Shevchenko]

On Wed, Nov 03, 2021 at 11:44:03PM +0800, Chen Yu wrote:
> Platform Firmware Runtime Update(PFRU) Telemetry Service is part of RoT
> (Root of Trust), which allows PFRU handler and other PFRU drivers to
> produce telemetry data to upper layer OS consumer at runtime.
> 
> The Linux kernel provides interfaces for the user to query the parameters
> of telemetry data, and the user could read out the telemetry data
> accordingly.
> 
> PFRU and PFRU Telemetry both invoke _DSM to trigger the low level actions.
> However the input parameters and ACPI package result as well as the
> functions are different from each other. It is hard to extract the common
> code between them, so introduce separated files for them.
> 
> The corresponding userspace tool and man page will be introduced at
> tools/power/acpi/pfru.

Comments from previous patch partially apply here.

-- 
With Best Regards,
Andy Shevchenko