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powerpc: Allow the max stack trace depth to be configured

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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 introduces a config
option for it so that I can keep the setting in my config.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Johannes Berg 2008-11-20 03:24:07 +00:00 • committed by Paul Mackerras
parent 0186f47e70
commit c4d04be11f
2 changed files with 10 additions and 1 deletions
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2
arch/powerpc/kernel/process.c
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@ -1000,7 +1000,7 @@ unsigned long get_wchan(struct task_struct *p)
return 0;
}
static int kstack_depth_to_print = 64;
static int kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;
void show_stack(struct task_struct *tsk, unsigned long *stack)
{