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[S390] Enable exception traces by default

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Enable exception traces by default so that early user space breakage
(e.g. broken code in initrd) can be easily indentified.

If not needed afterwards it can be disabled by writing '0' in one of
these two files:

/proc/sys/kernel/userprocess_debug
/proc/sys/debug/exception-trace

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2011-12-27 11:27:31 +01:00 • committed by Martin Schwidefsky
parent 207a05499b
commit 02834eece0
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kernel/traps.c
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@ -45,7 +45,7 @@
void (*pgm_check_table[128])(struct pt_regs *regs);
int show_unhandled_signals;
int show_unhandled_signals = 1;
#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })