Re: [PATCH v1 0/2] platform/x86/intel-uncore-freq: Expose instance ID in the sysfs

[Maciej Wieczor-Retman]

On 2026-03-27 at 19:51:54 +0200, Artem Bityutskiy wrote:
>On Fri, 2026-03-27 at 15:36 +0000, Maciej Wieczor-Retman wrote:
>> on newer systems that can have multiple clusters on a single die, the
>> intel-uncore-freq driver behaves differently and the domain_id is a
>> globally unique value - unique on all TPMI devices. Therefore it's
>> difficult to match a specific instance to a set of UFS registers for
>> example visible through /sys/kernel/debug/tpmi directories.
>
>Although, I'd say that the key point isn't that "domain_id is globally
>unique" (though this is true), but that it's a synthetic value
>generated by the driver rather than representing an actual HW instance
>ID.
>
>Artem.

Right, that's worth emphasizing. I'll try to rephrase it when updating the
patches.

-- 
Kind regards
Maciej Wieczór-Retman