Re: [PATCH v3] intel_idle: introduce 'no_native' module parameter
From: Artem Bityutskiy
Date: Wed Feb 12 2025 - 02:05:07 EST
On Tue, 2025-02-11 at 08:27 -0500, David Arcari wrote:
> Since commit 18734958e9bf ("intel_idle: Use ACPI _CST for processor models
> without C-state tables") the intel_idle driver has had the ability to use
> the ACPI _CST to populate C-states when the processor model is not
> recognized. However, even when the processor model is recognized (native
> mode) there are cases where it is useful to make the driver ignore the per
> cpu idle states in lieu of ACPI C-states (such as specific application
> performance). Add the 'no_native' module parameter to provide this
> functionality.
>
> Cc: Jonathan Corbet <corbet@xxxxxxx>
> Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Cc: Len Brown <lenb@xxxxxxxxxx>
> Cc: David Arcari <darcari@xxxxxxxxxx>
> Cc: Artem Bityutskiy <dedekind1@xxxxxxxxx>
> Cc: Prarit Bhargava <prarit@xxxxxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: David Arcari <darcari@xxxxxxxxxx>
> ---
> v3: more documentation cleanup
> v2: renamed parameter, cleaned up documentation
Reviewed-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
Tested-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>