[patch 6/6] Kprobes registers for notify page fault

[Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>]

[-- Attachment #1: notify_page_fault_kprobes.patch --]
[-- Type: text/plain, Size: 955 bytes --]

Kprobes now registers for the page fault notifications.

---
 kernel/kprobes.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: linux-2.6.17-rc1-mm3/kernel/kprobes.c
===================================================================
--- linux-2.6.17-rc1-mm3.orig/kernel/kprobes.c
+++ linux-2.6.17-rc1-mm3/kernel/kprobes.c
@@ -544,6 +544,11 @@ static struct notifier_block kprobe_exce
 	.priority = 0x7fffffff /* we need to notified first */
 };
 
+static struct notifier_block kprobe_page_fault_nb = {
+	.notifier_call = kprobe_exceptions_notify,
+	.priority = 0x7fffffff /* we need to notified first */
+};
+
 int __kprobes register_jprobe(struct jprobe *jp)
 {
 	/* Todo: Verify probepoint is a function entry point */
@@ -654,6 +659,9 @@ static int __init init_kprobes(void)
 	if (!err)
 		err = register_die_notifier(&kprobe_exceptions_nb);
 
+	if (!err)
+		err = register_page_fault_notifier(&kprobe_page_fault_nb);
+
 	return err;
 }
 

--