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-rw-r--r--kernel/Makefile1
-rw-r--r--kernel/stacktrace.c24
2 files changed, 25 insertions, 0 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index 82fb182f6f61..e7fd20e70f1b 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -10,6 +10,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.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 11 hrtimer.o
12 12
13obj-$(CONFIG_STACKTRACE) += stacktrace.o
13obj-y += time/ 14obj-y += time/
14obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o 15obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
15obj-$(CONFIG_FUTEX) += futex.o 16obj-$(CONFIG_FUTEX) += futex.o
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
new file mode 100644
index 000000000000..b71816e47a30
--- /dev/null
+++ b/kernel/stacktrace.c
@@ -0,0 +1,24 @@
1/*
2 * kernel/stacktrace.c
3 *
4 * Stack trace management functions
5 *
6 * Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
7 */
8#include <linux/sched.h>
9#include <linux/kallsyms.h>
10#include <linux/stacktrace.h>
11
12void print_stack_trace(struct stack_trace *trace, int spaces)
13{
14 int i, j;
15
16 for (i = 0; i < trace->nr_entries; i++) {
17 unsigned long ip = trace->entries[i];
18
19 for (j = 0; j < spaces + 1; j++)
20 printk(" ");
21 print_ip_sym(ip);
22 }
23}
24