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 ac6b27abb1a..642d4277c2e 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 \ signal.o sys.o kmod.o workqueue.o pid.o \ rcupdate.o extable.o params.o posix-timers.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ - hrtimer.o rwsem.o latency.o nsproxy.o srcu.o + hrtimer.o rwsem.o latency.o nsproxy.o srcu.o die_notifier.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-y += time/ diff --git a/kernel/die_notifier.c b/kernel/die_notifier.c new file mode 100644 index 00000000000..0d98827887a --- /dev/null +++ b/kernel/die_notifier.c @@ -0,0 +1,38 @@ + +#include <linux/module.h> +#include <linux/notifier.h> +#include <linux/vmalloc.h> +#include <linux/kdebug.h> + + +static ATOMIC_NOTIFIER_HEAD(die_chain); + +int notify_die(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig) +{ + struct die_args args = { + .regs = regs, + .str = str, + .err = err, + .trapnr = trap, + .signr = sig, + + }; + + return atomic_notifier_call_chain(&die_chain, val, &args); +} + +int register_die_notifier(struct notifier_block *nb) +{ + vmalloc_sync_all(); + return atomic_notifier_chain_register(&die_chain, nb); +} +EXPORT_SYMBOL_GPL(register_die_notifier); + +int unregister_die_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&die_chain, nb); +} +EXPORT_SYMBOL_GPL(unregister_die_notifier); + + diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 6c86d67ed1a..0207045b4f6 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -42,10 +42,10 @@ #include <linux/freezer.h> #include <linux/seq_file.h> #include <linux/debugfs.h> +#include <linux/kdebug.h> #include <asm-generic/sections.h> #include <asm/cacheflush.h> #include <asm/errno.h> -#include <asm/kdebug.h> #define KPROBE_HASH_BITS 6 #define KPROBE_TABLE_SIZE (1 << KPROBE_HASH_BITS) |