[SPARC64]: Optimize fault kprobe handling just like powerpc.

[powerpc.git] / include / asm-sparc64 / kdebug.h

diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h
index 11251bd..627e339 100644 (file)
--- a/include/asm-sparc64/kdebug.h
+++ b/include/asm-sparc64/kdebug.h
@@ -7,19 +7,19 @@
 
 struct pt_regs;
 
-struct die_args {
-       struct pt_regs *regs;
-       const char *str;
-       long err;
-       int trapnr;
-       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 sparc64die_chain;
+/*
+ * These are only here because kprobes.c wants them to implement a
+ * blatant layering violation.  Will hopefully go away soon once all
+ * architectures are updated.
+ */
+static inline int register_page_fault_notifier(struct notifier_block *nb)
+{
+       return 0;
+}
+static inline int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+       return 0;
+}
 
 extern void bad_trap(struct pt_regs *, long);
 
@@ -31,21 +31,8 @@ enum die_val {
        DIE_DIE,
        DIE_TRAP,
        DIE_TRAP_TL1,
-       DIE_GPF,
        DIE_CALL,
        DIE_PAGE_FAULT,
 };
 
-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(&sparc64die_chain, val, &args);
-}
-
 #endif