linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / asm-powerpc / kdebug.h

diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h
index 532bfee..7c16265 100644 (file)
--- 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__ */