linux-kernel - Re: [PATCH v2] ACPI: Downgrade Intel _OSC and

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Date: Wed, 19 Jun 2024 16:57:39 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Mario Limonciello <mario.limonciello@....com>
Cc: rafael@...nel.org, linux-acpi@...r.kernel.org, 
	linux-kernel@...r.kernel.org, PradeepVineshReddy.Kodamati@....com, 
	clin41@...ovo.com
Subject: Re: [PATCH v2] ACPI: Downgrade Intel _OSC and _PDC messages to debug

On Tue, Jun 18, 2024 at 11:42 PM Mario Limonciello
<mario.limonciello@....com> wrote:
>
> commit 95272641338a ("ACPI: processor: Use _OSC to convey OSPM processor
> support information") introduced messages related to determining processor
> support from the firmware.
>
> The UUID 4077A616-290C-47BE-9EBD-D87058713953 and _PDC methods are
> only used on Intel platforms, but all X86 platforms emit the messages.
>
> Attempting to evaluate them and showing messages on which are used is
> unnecessary for most users.  Downgrade the messages to debug instead.
>
> Cc: PradeepVineshReddy (Pradeep Vinesh Reddy) Kodamati <PradeepVineshReddy.Kodamati@....com>
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>
> ---
>  drivers/acpi/acpi_processor.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
> index 7a0dd35d62c9..e82ec4f126bc 100644
> --- a/drivers/acpi/acpi_processor.c
> +++ b/drivers/acpi/acpi_processor.c
> @@ -598,9 +598,9 @@ static bool __init acpi_early_processor_osc(void)
>  void __init acpi_early_processor_control_setup(void)
>  {
>         if (acpi_early_processor_osc()) {
> -               pr_info("_OSC evaluated successfully for all CPUs\n");
> +               pr_debug("_OSC evaluated successfully for all CPUs\n");
>         } else {
> -               pr_info("_OSC evaluation for CPUs failed, trying _PDC\n");
> +               pr_debug("_OSC evaluation for CPUs failed, trying _PDC\n");
>                 acpi_early_processor_set_pdc();
>         }
>  }
> --

Applied as 6.11 material, thanks!