linux-kernel - Re: [PATCH v2] intel_idle: introduce 'no

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Message-ID: <c25d3b9abced9263da463b3ef4f31fff73878189.camel@gmail.com>
Date: Sat, 08 Feb 2025 12:37:06 +0200
From: Artem Bityutskiy <dedekind1@...il.com>
To: David Arcari <darcari@...hat.com>, linux-pm@...r.kernel.org
Cc: Jonathan Corbet <corbet@....net>, Jacob Pan
 <jacob.jun.pan@...ux.intel.com>,  Len Brown <lenb@...nel.org>, Prarit
 Bhargava <prarit@...hat.com>, linux-doc@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] intel_idle: introduce 'no_native' module parameter

On Fri, 2025-02-07 at 12:13 -0500, David Arcari wrote:
> > And if kernel was not configured with ACPI support, are these not
> > recognized? Or
> > they are just no-op basically?
> 
> They are a no-op - the flags are all set to false so ACPI C-state tables 
> are ignored.

It would be nice to mention this too. Otherwise it sounds a bit incomplete. Like
this:

	If A then B. (nothing about "else").

Better way:

	If A then B, else C.

:-)

> > 
> Sure - so is this better:
> 
> ``use_acpi`` - No-op in ACPI mode, the driver will consult ACPI tabees 
> for C-states on/off status in native mode.

Yes, thanks!