linux-kernel - Re: [PATCH] ACPI: reduce log level for message "ACPI: \_PR

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Message-ID: <alpine.DEB.2.02.1401271615580.17114@chino.kir.corp.google.com>
Date:	Mon, 27 Jan 2014 16:18:17 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
cc:	Jorg Otte <jrg.otte@...il.com>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: reduce log level for message "ACPI: \_PR_.CPU4:
 failed to get CPU APIC ID"

On Mon, 27 Jan 2014, Jiang Liu wrote:

> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
> index c9311be..c29c2c3 100644
> --- a/drivers/acpi/acpi_processor.c
> +++ b/drivers/acpi/acpi_processor.c
> @@ -261,7 +261,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
>  
>  	apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id);
>  	if (apic_id < 0) {
> -		acpi_handle_err(pr->handle, "failed to get CPU APIC ID.\n");
> +		acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n");
>  		return -ENODEV;
>  	}

Don't we already leave some artifact in the kernel log at boot about apic 
ids that don't get registered?  I'm wondering if we should have this 
warning at all.
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