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

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Message-ID: <t3sh2ifq7bdykxjejk2uopra76xp3fusbk3rpbw5aojmt3hjnt@o7djv3dntbwi>
Date: Thu, 16 Oct 2025 13:57:24 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>, 
	Christian Loehle <christian.loehle@....com>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>, 
	Sasha Levin <sashal@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, 
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, Tomasz Figa <tfiga@...omium.org>, 
	stable@...r.kernel.org
Subject: Re: stable: commit "cpuidle: menu: Avoid discarding useful
 information" causes regressions

On (25/10/15 14:31), Rafael J. Wysocki wrote:
> > Please find attached the turbostat logs for both cases.
> 
> Thanks!
> 
> First off, the CPUiD information reported by turbostat indicates that
> the system is a Jasper Lake.  Is this correct?

Correct.  That particular board is powered by Jasper Lake.

[..]
> Something like this may be induced by RAPL power limits, presumably PL1.
> 
> Do you use thermald?

I don't think so.  chromeos doesn't use systemd.