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-rw-r--r--include/linux/tracehook.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index bcc4ca762aee..7a1bd12aeffa 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -130,24 +130,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
}
/**
- * tracehook_tracer_task - return the task that is tracing the given task
- * @tsk: task to consider
- *
- * Returns NULL if no one is tracing @task, or the &struct task_struct
- * pointer to its tracer.
- *
- * Must called under rcu_read_lock(). The pointer returned might be kept
- * live only by RCU. During exec, this may be called with task_lock()
- * held on @task, still held from when tracehook_unsafe_exec() was called.
- */
-static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk)
-{
- if (tsk->ptrace & PT_PTRACED)
- return rcu_dereference(tsk->parent);
- return NULL;
-}
-
-/**
* tracehook_signal_handler - signal handler setup is complete
* @sig: number of signal being delivered
* @info: siginfo_t of signal being delivered