Re: stable: commit "cpuidle: menu: Avoid discarding useful information" causes regressions

[Christian Loehle]

On 10/14/25 14:56, Sergey Senozhatsky wrote:
> On (25/10/14 15:47), Rafael J. Wysocki wrote:
>> On Tue, Oct 14, 2025 at 12:23 PM Sergey Senozhatsky
>> <senozhatsky@xxxxxxxxxxxx> wrote:
>>>
>>>> Any details would be much appreciated.
>>>> How do the idle state usages differ with and without
>>>> "cpuidle: menu: Avoid discarding useful information"?
>>>> What do the idle states look like in your platform?
>>>
>>> Sure, I can run tests.
>>
>> Would it be possible to check if the mainline has this issue?  That
>> is, compare the benchmark results on unmodified 6.17 (say) and on 6.17
>> with commit 85975daeaa4 reverted?
> 
> I don't think mainline kernel can run on those devices (due to
> a bunch of downstream patches).  Best bet is 6.12, I guess.

Depending on what Rafael is expecting here you might just get
away with copying menu.c from mainline, the interactions to other
subsystems are limited fortunately.