linux-kernel - Re: [PATCH 2/2] microblaze: allow developer selection of STACKTRACE

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Date:	Wed, 14 Apr 2010 17:25:08 +0200
From:	Michal Simek <monstr@...str.eu>
To:	"Steven J. Magnani" <steve@...idescorp.com>
CC:	microblaze-uclinux@...e.uq.edu.au, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] microblaze: allow developer selection of STACKTRACE

Steven J. Magnani wrote:
> Allow the developer to configure STACKTRACE to enable userland access to backtraces in /proc/NN/stack.
> 
> Signed-off-by: Steven J. Magnani <steve@...idescorp.com>
> ---
> diff -uprN a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
> --- a/arch/microblaze/Kconfig	2010-04-09 21:52:36.000000000 -0500
> +++ b/arch/microblaze/Kconfig	2010-04-12 22:16:01.000000000 -0500
> @@ -136,6 +136,14 @@ config PROC_DEVICETREE
>  	  an image of the device tree that the kernel copies from Open
>  	  Firmware or other boot firmware. If unsure, say Y here.
>  
> +config PROC_BACKTRACE
> +	bool "Support for kernel backtraces in /proc/NN/stack"
> +	default n
> +	select STACKTRACE
> +	help
> +	  This option adds a backtrace of the kernel stack to /proc/NN/stack.
> +	  If unsure, say N here.
> +

Why did you create new Kconfig option? /proc/NN/stack is there when you 
enable stacktrace support. There is not necessary to enable any new option.

Or is there any other point which I am missing?

Thanks,
Michal


>  endmenu
>  
>  menu "Advanced setup"
> 
> 


-- 
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
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