fgraph: Change the name of cpuhp state to "fgraph:online"

The cpuhp state name given to cpuhp_setup_state() is "fgraph_idle_init"
which doesn't really conform to the names that are used for cpu hotplug
setups. Instead rename it to "fgraph:online" to be in line with other
states.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/20241024222944.473d88c5@rorschach.local.home
Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 2c02f7375e658 ("fgraph: Use CPU hotplug mechanism to initialize idle shadow stacks")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index cd1c294..69e226a 100644 (file)
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -1255,7 +1255,7 @@ int register_ftrace_graph(struct fgraph_ops *gops)
        guard(mutex)(&ftrace_lock);
 
        if (!fgraph_initialized) {
-               ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "fgraph_idle_init",
+               ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "fgraph:online",
                                        fgraph_cpu_init, NULL);
                if (ret < 0) {
                        pr_warn("fgraph: Error to init cpu hotplug support\n");