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the merged >>>> version is v3 [2]. >>>> >>>> If there are no further comments, please consider acking and queuing >>>> this for the next cycle. >>> I was waiting for CPPC reviewers to provide some feedback.i >>> >>> Jie / Lifeng / Pierre ? >>> >> I think the patchset has the same issue described at: >> >> https://lore.kernel.org/all/86780f97-29ee-4a72-b311-38c89434b707@arm.com/ >> >> >> I don't know if this is important to other persons, >> but IMO it would be preferable to have a solution to this issue >> before adding more functionalities relying on registers that are left >> in an unknown state. >> >> If there are any other opinion ? >> > > The concern is valid, but this isn't a new gap. The registers the boot > parameter programs are already writable via existing sysfs: >  - auto_sel via auto_select >  - EPP via energy_performance_preference_val > So userspace can already leave these in a non-default state across > unload / CPU hotplug in mainline. The boot parameter just sets the > same registers at boot via the same paths. > > I am already working on the save/restore change we discussed on > the ospm_nominal_perf thread, as a dedicated follow-up grouping > all OSPM-set registers (ospm_nominal_perf, auto_sel, EPP) together. > I think doing it once uniformly is cleaner. > > Both features are already under review, so my preference is to take > them first and add the save/restore on top, rather than merging it > first and respinning both features under it. Either order works for me > if you and the maintainers prefer infra-first. > > Thanks, > Sumit > > I have sent v5 of the autonomous mode series [1] with a small fix. Also posted patch [3] to preserve OSPM set regs across hotplug/unload. It applies on top of [1] & [2] (both not yet merged). [1]   [PATCH v5 0/2] cpufreq: CPPC: add autonomous mode boot parameter support https://lore.kernel.org/lkml/20260623080652.3353386-1-sumitg@nvidia.com/ [2]   [PATCH v5] ACPI: CPPC: Add ospm_nominal_perf support https://lore.kernel.org/lkml/20260615185934.2383514-1-sumitg@nvidia.com/ [3]   [PATCH] cpufreq: CPPC: Preserve OSPM-set registers across hotplug and unload https://lore.kernel.org/lkml/20260623095403.3407436-1-sumitg@nvidia.com/ Thanks, Sumit