linux-kernel - Re: [PATCH] cpufreq: Add CPU frequency policy change notification support

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Message-ID: <pdp3oabac4g6bakm46w5wj7edl446dqhggdfrlke55gniuju5b@jzodjar7tc2e>
Date: Wed, 21 Jan 2026 11:21:00 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
Cc: rafael@...nel.org, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, CobeChen@...oxin.com, TimGuo@...oxin.com, LeoLiu-oc@...oxin.com, 
	LindaChai@...oxin.com
Subject: Re: [PATCH] cpufreq: Add CPU frequency policy change notification
 support

On 20-01-26, 17:24, Tony W Wang-oc wrote:
> Implemented CPUFREQ_CHANGE_POLICY notification in cpufreq subsystem.
> This enhancement allows kernel modules to be notified when a CPU frequency
> policy is modified, facilitating more integrated system management.
> The notification is dispatched after a successful governor switch during
> policy updates.
> 
> Signed-off-by: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
> ---
>  drivers/cpufreq/cpufreq.c | 2 ++
>  include/linux/cpufreq.h   | 1 +
>  2 files changed, 3 insertions(+)

Who is using this stuff ? Please explain why you need this and how you
are going to use it. I don't think it is a great idea, but I still
want to see what you are doing in the first place.

-- 
viresh