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

From: Viresh Kumar

Date: Wed Jan 21 2026 - 00:51:20 EST


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@xxxxxxxxxxx>
> ---
> 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