* @nr_entries: Number of entries in the storage array
* @spaces: Number of leading spaces to print
*/
-void stack_trace_print(unsigned long *entries, unsigned int nr_entries,
+void stack_trace_print(const unsigned long *entries, unsigned int nr_entries,
int spaces)
{
unsigned int i;
*
* Return: Number of bytes printed.
*/
-int stack_trace_snprint(char *buf, size_t size, unsigned long *entries,
+int stack_trace_snprint(char *buf, size_t size, const unsigned long *entries,
unsigned int nr_entries, int spaces)
{
unsigned int generated, i, total = 0;
.store = store,
.size = size,
};
+ mm_segment_t fs;
/* Trace user stack if not a kernel thread */
if (current->flags & PF_KTHREAD)
return 0;
+ fs = get_fs();
+ set_fs(USER_DS);
arch_stack_walk_user(consume_entry, &c, task_pt_regs(current));
+ set_fs(fs);
+
return c.len;
}
#endif