Merge "Kconfig.debug: module: Add debug config to debug modules" (205277fa) · Commits · e / devices / android_kernel_oneplus_sm8150

kernel/module.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -2178,6 +2178,11 @@ static void free_module(struct module *mod)

		/* Finally, free the core (containing the module structure) */
		disable_ro_nx(&mod->core_layout);
		#ifdef CONFIG_DEBUG_MODULE_LOAD_INFO
		pr_info("Unloaded %s: module core layout address range: 0x%lx-0x%lx\n",
		mod->name, (long)mod->core_layout.base,
		(long)(mod->core_layout.base + mod->core_layout.size - 1));
		#endif
		module_memfree(mod->core_layout.base);

		#ifdef CONFIG_MPU
		@@ -3507,6 +3512,14 @@ static noinline int do_init_module(struct module *mod)
		mod_tree_remove_init(mod);
		disable_ro_nx(&mod->init_layout);
		module_arch_freeing_init(mod);
		#ifdef CONFIG_DEBUG_MODULE_LOAD_INFO
		pr_info("Loaded %s: module init layout addresses range: 0x%lx-0x%lx\n",
		mod->name, (long)mod->init_layout.base,
		(long)(mod->init_layout.base + mod->init_layout.size - 1));
		pr_info("%s: core layout addresses range: 0x%lx-0x%lx\n", mod->name,
		(long)mod->core_layout.base,
		(long)(mod->core_layout.base + mod->core_layout.size - 1));
		#endif
		mod->init_layout.base = NULL;
		mod->init_layout.size = 0;
		mod->init_layout.ro_size = 0;

+12 −0

Original line number	Diff line number	Diff line
		@@ -133,6 +133,18 @@ config DYNAMIC_DEBUG
		See Documentation/admin-guide/dynamic-debug-howto.rst for additional
		information.

		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.

		If unsure, say N.


		endmenu # "printk and dmesg options"

		menu "Compile-time checks and compiler options"