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[S390] Fix kprobes breakpoint handling. 

In case of an illegal op the die notifier gets called with DIE_TRAP
instead of DIE_BPT first.

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 2007-02-05 21:17:29 +01:00 committed by Martin Schwidefsky
parent d58140cc18
commit 35df8d53f5
1 changed files with 9 additions and 2 deletions
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11
arch/s390/kernel/traps.c
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@ -490,8 +490,15 @@ static void illegal_op(struct pt_regs * regs, long interruption_code)
#endif
} else
signal = SIGILL;
} else
signal = SIGILL;
} else {
/*
* If we get an illegal op in kernel mode, send it through the
* kprobes notifier. If kprobes doesn't pick it up, SIGILL
*/
if (notify_die(DIE_BPT, "bpt", regs, interruption_code,
3, SIGTRAP) != NOTIFY_STOP)
signal = SIGILL;
}
#ifdef CONFIG_MATHEMU
if (signal == SIGFPE)