On Fri, 14 Mar 2025 05:42:57 -0400
Steven Rostedt [off-list ref] wrote:

On Fri, 14 Mar 2025 01:26:51 +0900
"Masami Hiramatsu (Google)" [off-list ref] wrote:

quoted

@@ -6040,9 +6042,10 @@ static void update_last_data(struct trace_array *tr)
 		memset(tscratch->entries, 0,
 		       flex_array_size(tscratch, entries, tscratch->nr_entries));
 		tscratch->nr_entries = 0;
-
+#ifdef CONFIG_MODULES
 		guard(mutex)(&scratch_mutex);
 		module_for_each_mod(save_mod, tr);
+#endif
 	}

Hmm, I think the real fix for this would be to make
module_for_each_mod() a nop when modules are not configured.

Yeah, but in this case, save_mod() need to be removed too[*]. Or is it
better to make save_mod() a nop too?

[*] https://lore.kernel.org/oe-kbuild-all/202503142045.0sE1neLa-lkp@intel.com/ (local)

Thank you,

-- Steve

-- 
Masami Hiramatsu (Google) [off-list ref]