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-rw-r--r--kernel/Makefile2
-rw-r--r--kernel/die_notifier.c38
-rw-r--r--kernel/kprobes.c2
3 files changed, 40 insertions, 2 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index ac6b27abb1ad..642d4277c2ea 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -8,7 +8,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
8 signal.o sys.o kmod.o workqueue.o pid.o \ 8 signal.o sys.o kmod.o workqueue.o pid.o \
9 rcupdate.o extable.o params.o posix-timers.o \ 9 rcupdate.o extable.o params.o posix-timers.o \
10 kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ 10 kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
11 hrtimer.o rwsem.o latency.o nsproxy.o srcu.o 11 hrtimer.o rwsem.o latency.o nsproxy.o srcu.o die_notifier.o
12 12
13obj-$(CONFIG_STACKTRACE) += stacktrace.o 13obj-$(CONFIG_STACKTRACE) += stacktrace.o
14obj-y += time/ 14obj-y += time/
diff --git a/kernel/die_notifier.c b/kernel/die_notifier.c
new file mode 100644
index 000000000000..0d98827887a7
--- /dev/null
+++ b/kernel/die_notifier.c
@@ -0,0 +1,38 @@
1
2#include <linux/module.h>
3#include <linux/notifier.h>
4#include <linux/vmalloc.h>
5#include <linux/kdebug.h>
6
7
8static ATOMIC_NOTIFIER_HEAD(die_chain);
9
10int notify_die(enum die_val val, const char *str,
11 struct pt_regs *regs, long err, int trap, int sig)
12{
13 struct die_args args = {
14 .regs = regs,
15 .str = str,
16 .err = err,
17 .trapnr = trap,
18 .signr = sig,
19
20 };
21
22 return atomic_notifier_call_chain(&die_chain, val, &args);
23}
24
25int register_die_notifier(struct notifier_block *nb)
26{
27 vmalloc_sync_all();
28 return atomic_notifier_chain_register(&die_chain, nb);
29}
30EXPORT_SYMBOL_GPL(register_die_notifier);
31
32int unregister_die_notifier(struct notifier_block *nb)
33{
34 return atomic_notifier_chain_unregister(&die_chain, nb);
35}
36EXPORT_SYMBOL_GPL(unregister_die_notifier);
37
38
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 6c86d67ed1a7..0207045b4f6f 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -42,10 +42,10 @@
42#include <linux/freezer.h> 42#include <linux/freezer.h>
43#include <linux/seq_file.h> 43#include <linux/seq_file.h>
44#include <linux/debugfs.h> 44#include <linux/debugfs.h>
45#include <linux/kdebug.h>
45#include <asm-generic/sections.h> 46#include <asm-generic/sections.h>
46#include <asm/cacheflush.h> 47#include <asm/cacheflush.h>
47#include <asm/errno.h> 48#include <asm/errno.h>
48#include <asm/kdebug.h>
49 49
50#define KPROBE_HASH_BITS 6 50#define KPROBE_HASH_BITS 6
51#define KPROBE_TABLE_SIZE (1 << KPROBE_HASH_BITS) 51#define KPROBE_TABLE_SIZE (1 << KPROBE_HASH_BITS)