[PATCH v5 3.1.0-rc4-tip 14/26] uprobe: register exception notifier
From: Srikar Dronamraju <hidden>
Date: 2011-09-20 12:16:33
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Use the notifier mechanism to register uprobes exception notifier. Signed-off-by: Ananth N Mavinakayanahalli <redacted> Signed-off-by: Srikar Dronamraju <redacted> --- kernel/uprobes.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/kernel/uprobes.c b/kernel/uprobes.c
index 8b6654e..083c577 100644
--- a/kernel/uprobes.c
+++ b/kernel/uprobes.c@@ -30,6 +30,7 @@ #include <linux/mmu_notifier.h> /* set_pte_at_notify */ #include <linux/swap.h> /* try_to_free_swap */ #include <linux/ptrace.h> /* user_enable_single_step */ +#include <linux/kdebug.h> /* notifier mechanism */ #include <linux/uprobes.h> static struct rb_root uprobes_tree = RB_ROOT;
@@ -1209,3 +1210,20 @@ int uprobe_post_notifier(struct pt_regs *regs) set_thread_flag(TIF_UPROBE); return 1; } + +struct notifier_block uprobe_exception_nb = { + .notifier_call = uprobe_exception_notify, + .priority = INT_MAX - 1, /* notified after kprobes, kgdb */ +}; + +static int __init init_uprobes(void) +{ + return register_die_notifier(&uprobe_exception_nb); +} + +static void __exit exit_uprobes(void) +{ +} + +module_init(init_uprobes); +module_exit(exit_uprobes); --
To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>