Re: [PATCH v3] intel_idle: introduce 'no_native' module parameter

Artem Bityutskiy
2025-02-12T07:04:54Z

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@lwn.net>
> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Cc: Len Brown <lenb@kernel.org>
> Cc: David Arcari <darcari@redhat.com>
> Cc: Artem Bityutskiy <dedekind1@gmail.com>
> Cc: Prarit Bhargava <prarit@redhat.com>
> Cc: linux-doc@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: David Arcari <darcari@redhat.com>
> ---
> v3: more documentation cleanup
> v2: renamed parameter, cleaned up documentation

Reviewed-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Tested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>