diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/Makefile | 2 | ||||
-rw-r--r-- | kernel/die_notifier.c | 38 | ||||
-rw-r--r-- | kernel/kprobes.c | 2 |
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 | ||
13 | obj-$(CONFIG_STACKTRACE) += stacktrace.o | 13 | obj-$(CONFIG_STACKTRACE) += stacktrace.o |
14 | obj-y += time/ | 14 | obj-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 | |||
8 | static ATOMIC_NOTIFIER_HEAD(die_chain); | ||
9 | |||
10 | int 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 | |||
25 | int register_die_notifier(struct notifier_block *nb) | ||
26 | { | ||
27 | vmalloc_sync_all(); | ||
28 | return atomic_notifier_chain_register(&die_chain, nb); | ||
29 | } | ||
30 | EXPORT_SYMBOL_GPL(register_die_notifier); | ||
31 | |||
32 | int unregister_die_notifier(struct notifier_block *nb) | ||
33 | { | ||
34 | return atomic_notifier_chain_unregister(&die_chain, nb); | ||
35 | } | ||
36 | EXPORT_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) |