Commit 02834eec authored Dec 27, 2011 by Heiko Carstens Committed by Martin Schwidefsky Dec 27, 2011

[S390] Enable exception traces by default



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>

parent 207a0549

arch/s390/kernel/traps.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -45,7 +45,7 @@

	void (pgm_check_table[128])(struct pt_regs regs);		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; })		#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })