X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fkdebug.h;h=7c16265568e0483ebc04b11f7aea695075a45a34;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=c01786ab5fa645c6e333f8f87881a15e95589c5a;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h
index c01786ab5..7c1626556 100644
--- a/include/asm-powerpc/kdebug.h
+++ b/include/asm-powerpc/kdebug.h
@@ -16,9 +16,13 @@ struct die_args {
 	int signr;
 };
 
-extern int register_die_notifier(struct notifier_block *);
-extern int unregister_die_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 {
@@ -33,7 +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__ */