[PATCH] Kprobes registers for notify page fault
Anil S Keshavamurthy [Mon, 26 Jun 2006 07:25:28 +0000 (00:25 -0700)]
Kprobes now registers for page fault notifications.

Signed-off-by: Anil S Keshavamurthy <anil.s.keshavmurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/kprobes.c

index f095178..507f26e 100644 (file)
@@ -557,6 +557,11 @@ valid_p:
 
 static struct notifier_block kprobe_exceptions_nb = {
        .notifier_call = kprobe_exceptions_notify,
+       .priority = 0x7fffffff /* we need to be notified first */
+};
+
+static struct notifier_block kprobe_page_fault_nb = {
+       .notifier_call = kprobe_exceptions_notify,
        .priority = 0x7fffffff /* we need to notified first */
 };
 
@@ -673,6 +678,9 @@ 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;
 }