.store = store,
.size = size,
};
+ mm_segment_t fs;
/* Trace user stack if not a kernel thread */
- if (!current->mm)
+ 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
WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n");
}
-__weak int
-save_stack_trace_tsk_reliable(struct task_struct *tsk,
- struct stack_trace *trace)
-{
- WARN_ONCE(1, KERN_INFO "save_stack_tsk_reliable() not implemented yet.\n");
- return -ENOSYS;
-}
-
/**
* stack_trace_save - Save a stack trace into a storage array
* @store: Pointer to storage array