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-rw-r--r--include/asm-powerpc/kdebug.h12
1 files changed, 4 insertions, 8 deletions
diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h
index 7c16265568e..c01786ab5fa 100644
--- a/include/asm-powerpc/kdebug.h
+++ b/include/asm-powerpc/kdebug.h
@@ -16,13 +16,9 @@ struct die_args {
int signr;
};
-/*
- Note - you should never unregister because that can race with NMIs.
- If you really want to do it first unregister - then synchronize_sched -
- then free.
- */
-int register_die_notifier(struct notifier_block *nb);
-extern struct notifier_block *powerpc_die_chain;
+extern int register_die_notifier(struct notifier_block *);
+extern int unregister_die_notifier(struct notifier_block *);
+extern struct atomic_notifier_head powerpc_die_chain;
/* Grossly misnamed. */
enum die_val {
@@ -37,7 +33,7 @@ enum die_val {
static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig)
{
struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig };
- return notifier_call_chain(&powerpc_die_chain, val, &args);
+ return atomic_notifier_call_chain(&powerpc_die_chain, val, &args);
}
#endif /* __KERNEL__ */