Merge "defconfig: msm: Enable debug module info config for Lahaina/Shima"

arch/arm64/configs/vendor/lahaina_consolidate.config

@@ -48,3 +48,4 @@ CONFIG_USB_F_FS_IPC_LOGGING=y
 CONFIG_DYNAMIC_DEBUG=y
 CONFIG_QTI_PMIC_GLINK_CLIENT_DEBUG=y
 # CONFIG_HH_DISABLE_UART is not set
+CONFIG_DEBUG_MODULE_LOAD_INFO=y

kernel/module.c

@@ -2238,6 +2238,10 @@ static void free_module(struct module *mod)
 	/* Free lock-classes; relies on the preceding sync_rcu(). */
 	lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size);
 
+#ifdef CONFIG_DEBUG_MODULE_LOAD_INFO
+	pr_info("Unloaded %s: module core layout, start: 0x%pK size: 0x%x\n",
+		mod->name, mod->core_layout.base, mod->core_layout.size);
+#endif
 	/* Finally, free the core (containing the module structure) */
 	module_memfree(mod->core_layout.base);
 }

lib/Kconfig.debug

@@ -186,6 +186,18 @@ config DYNAMIC_DEBUG_CORE
 	  the case of embedded system where the kernel image size is
 	  sensitive for people.
 
+config DEBUG_MODULE_LOAD_INFO
+        bool "Use prints for module info under a debug flag"
+	help
+	  If you say Y here the resulting kernel image will include
+	  debug prints which was kept under DEBUG_MODULE_LOAD_INFO.
+	  This will be used by developer to debug loadable modules in
+	  the kernel.
+	  Say Y here only if you plan to debug the kernel.
+	  Not to be enabled on production builds.
+
+	  If unsure, say N.
+
 endmenu # "printk and dmesg options"
 
 menu "Compile-time checks and compiler options"