linux-kernel - Re: [PATCH] ACPI: remove "config ACPI_DEBUG_FUNC

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Date:	Tue, 26 Mar 2013 14:34:25 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Paul Bolle <pebolle@...cali.nl>, Lv Zheng <lv.zheng@...el.com>
Cc:	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: remove "config ACPI_DEBUG_FUNC_TRACE"

On Tuesday, March 19, 2013 11:41:01 AM Paul Bolle wrote:
> Kconfig symbol ACPI_DEBUG_FUNC_TRACE was only used (through its
> corresponding macro) in drivers/acpi/acpica/acmacros.h. That macro was
> removed from that header in v3.8, with commit
> 86ff0e508f88eda6e479a897476026055831d2d8 ("ACPICA: Fix unmerged
> acmacros.h divergences."). That commit did not explain why that macro
> was removed. But it seems that ACPI_DEBUG_FUNC_TRACE can now be removed
> too, as it is unused.

Lv, can you please comment here?

Rafael


> Signed-off-by: Paul Bolle <pebolle@...cali.nl>
> ---
> Eyeball tested.
> 
>  drivers/acpi/Kconfig | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index 92ed969..006b714 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -298,14 +298,6 @@ config ACPI_DEBUG
>  	  Documentation/kernel-parameters.txt to control the type and
>  	  amount of debug output.
>  
> -config ACPI_DEBUG_FUNC_TRACE
> -	bool "Additionally enable ACPI function tracing"
> -	default n
> -	depends on ACPI_DEBUG
> -	help
> -	  ACPI Debug Statements slow down ACPI processing. Function trace
> -	  is about half of the penalty and is rarely useful.
> -
>  config ACPI_PCI_SLOT
>  	bool "PCI slot detection driver"
>  	depends on SYSFS
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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