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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)
130} 130}
131 131
132/** 132/**
133 * tracehook_tracer_task - return the task that is tracing the given task
134 * @tsk: task to consider
135 *
136 * Returns NULL if no one is tracing @task, or the &struct task_struct
137 * pointer to its tracer.
138 *
139 * Must called under rcu_read_lock(). The pointer returned might be kept
140 * live only by RCU. During exec, this may be called with task_lock()
141 * held on @task, still held from when tracehook_unsafe_exec() was called.
142 */
143static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk)
144{
145 if (tsk->ptrace & PT_PTRACED)
146 return rcu_dereference(tsk->parent);
147 return NULL;
148}
149
150/**
151 * tracehook_signal_handler - signal handler setup is complete 133 * tracehook_signal_handler - signal handler setup is complete
152 * @sig: number of signal being delivered 134 * @sig: number of signal being delivered
153 * @info: siginfo_t of signal being delivered 135 * @info: siginfo_t of signal being delivered