[PATCH] powerpc: allow configuring max stack dump depth

[Paul Mackerras]

Johannes Berg writes:

> On my screen, when something crashes, I only have space for maybe
> 16 functions of the stack trace before the information above it
> scrolls off the screen. It's easy to hack the kernel to print out
> only that much, but it's harder to remember to do it. This patch
> introduces a config option for it so that I can keep the setting
> in my config.

Could you make it depend on DEBUG_KERNEL or ADVANCED or something?

> +	help
> +	  This option allows you to set the stack depth that the kernel
> +	  prints out in case your display is too small.

The "in case" is a little ambiguous here.  I suggest:

+	  This option allows you to set the maximum depth that the kernel
+	  prints in stack traces.  This can be useful if your display
+	  is too small.

Paul.