Re: [PATCH V3 7/7] Documentation: introduce AMD Pstate Preferrd Core mode kernel command line options

From: Wyes Karny
Date: Thu Aug 24 2023 - 07:20:18 EST


On 24 Aug 10:12, Meng Li wrote:
> AMD Pstate driver support enable/disable Preferred core.
> Default enabled on platforms supporting AMD Preferred Core.
> Disable AMD Pstate Preferred Core with
> "amd_prefcore=disable" added to the kernel command line.
>
> Signed-off-by: Meng Li <li.meng@xxxxxxx>
> Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Reviewed-by: Wyes Karny <wyes.karny@xxxxxxx>

> ---
> Documentation/admin-guide/kernel-parameters.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 23ebe34ff901..4f78067bb8af 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -363,6 +363,11 @@
> selects a performance level in this range and appropriate
> to the current workload.
>
> + amd_prefcore=
> + [X86]
> + disable
> + Disable AMD Pstate Preferred Core.
> +
> amijoy.map= [HW,JOY] Amiga joystick support
> Map of devices attached to JOY0DAT and JOY1DAT
> Format: <a>,<b>
> --
> 2.34.1
>