[S390] get rid of kprobes notifier call chain.
And here's a port of the powerpc patch to get rid of the notifier
chain completely to s390. It's ontop of Martins patch as that one
is in mainline already.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h
index 1b50f89..d2d7ad2 100644
--- a/include/asm-s390/kdebug.h
+++ b/include/asm-s390/kdebug.h
@@ -22,8 +22,21 @@
*/
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 *);
+
+/*
+ * 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 struct atomic_notifier_head s390die_chain;
enum die_val {
@@ -39,7 +52,6 @@
DIE_GPF,
DIE_CALL,
DIE_NMI_IPI,
- DIE_PAGE_FAULT,
};
static inline int notify_die(enum die_val val, const char *str,