Added kernel-doc comments for the ftrace_graph_ret_addr() function to improve code documentation and readability.
Reported-by: Abaci Robot <ab...@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9299 Signed-off-by: Yang Li <yang....@linux.alibaba.com> --- kernel/trace/fgraph.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c index a13551a023aa..4ad33e4cb8da 100644 --- a/kernel/trace/fgraph.c +++ b/kernel/trace/fgraph.c @@ -872,6 +872,12 @@ ftrace_graph_get_ret_stack(struct task_struct *task, int idx) /** * ftrace_graph_ret_addr - convert a potentially modified stack return address * to its original value + * @task: pointer to the task_struct of the task being examined + * @idx: pointer to a state variable, should be initialized to zero + * before the first call + * @ret: the current return address found on the stack + * @retp: pointer to the return address on the stack, ignored if + * HAVE_FUNCTION_GRAPH_RET_ADDR_PTR is not defined * * This function can be called by stack unwinding code to convert a found stack * return address ('ret') to its original value, in case the function graph -- 2.20.1.7.g153144c
