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[S390] get rid of kprobes notifier call chain.

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And here's a port of the powerpc patch to get rid of the notifier
chain completely to s390.  It's ontop of Martins patch as that one
is in mainline already.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christoph Hellwig
2007-05-04 18:47:46 +02:00
committed by Martin Schwidefsky
parent dc87c3985e
commit 33464e3b57
4 changed files with 33 additions and 44 deletions
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3
arch/s390/kernel/kprobes.c
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@ -516,7 +516,7 @@ out:
return 1;
}
static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@ -603,7 +603,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
ret = NOTIFY_STOP;
break;
case DIE_TRAP:
case DIE_PAGE_FAULT:
/* kprobe_running() needs smp_processor_id() */
preempt_disable();
if (kprobe_running() &&