X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fkdebug.h;fp=include%2Fasm-powerpc%2Fkdebug.h;h=7c16265568e0483ebc04b11f7aea695075a45a34;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=532bfee934f43328912e5d88045197feba350da7;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h
index 532bfee93..7c1626556 100644
--- a/include/asm-powerpc/kdebug.h
+++ b/include/asm-powerpc/kdebug.h
@@ -16,11 +16,13 @@ struct die_args {
 	int signr;
 };
 
-extern int register_die_notifier(struct notifier_block *);
-extern int unregister_die_notifier(struct notifier_block *);
-extern int register_page_fault_notifier(struct notifier_block *);
-extern int unregister_page_fault_notifier(struct notifier_block *);
-extern struct atomic_notifier_head powerpc_die_chain;
+/*
+   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;
 
 /* Grossly misnamed. */
 enum die_val {
@@ -35,7 +37,7 @@ 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 atomic_notifier_call_chain(&powerpc_die_chain, val, &args);
+	return notifier_call_chain(&powerpc_die_chain, val, &args);
 }
 
 #endif /* __KERNEL__ */