Re: [PATCH] docs: kernel-parameters: add CPU_FREQ, CPU_IDLE build options
From: Rafael J. Wysocki (Intel)
Date: Sat Aug 15 2026 - 12:55:40 EST
On Tue, Aug 11, 2026 at 7:22 AM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>
> CPU_FREQ and CPU_IDLE are used in descriptions of some kernel parameters
> so add their descriptions to the build options list.
>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> ---
> Cc: Jonathan Corbet <corbet@xxxxxxx>
> Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
> Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
>
> Documentation/admin-guide/kernel-parameters.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> --- linux-next-20260810.orig/Documentation/admin-guide/kernel-parameters.txt
> +++ linux-next-20260810/Documentation/admin-guide/kernel-parameters.txt
> @@ -8,6 +8,8 @@
> ARM64 ARM64 architecture is enabled.
> CLK Common clock infrastructure is enabled.
> CMA Contiguous Memory Area support is enabled.
> + CPU_FREQ CPU_FREQ is enabled.
> + CPU_IDLE CPU_IDLE PM is enabled.
What about
+ CPU_FREQ CPU frequency scaling is enabled.
+ CPU_IDLE CPU idle time management is enabled.
> DRM Direct Rendering Management support is enabled.
> DYNAMIC_DEBUG Build in debug messages and enable them at runtime
> EARLY Parameter processed too early to be embedded in initrd.