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author | Felix Fietkau <nbd@openwrt.org> | 2015-06-14 18:17:47 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2015-06-14 18:17:47 +0000 |
commit | a7bea11085c99c96e55f06e425bd695948afa743 (patch) | |
tree | 049afc3b485c13c66171a376c5b3adeec7fd2597 /target/linux/generic/patches-4.0/204-module_strip.patch | |
parent | 1bb873c7d5929eb0c60c5b611e880f443ed90f5f (diff) | |
download | upstream-a7bea11085c99c96e55f06e425bd695948afa743.tar.gz upstream-a7bea11085c99c96e55f06e425bd695948afa743.tar.bz2 upstream-a7bea11085c99c96e55f06e425bd695948afa743.zip |
kernel: remove linux 4.0
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@45975 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.0/204-module_strip.patch')
-rw-r--r-- | target/linux/generic/patches-4.0/204-module_strip.patch | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/target/linux/generic/patches-4.0/204-module_strip.patch b/target/linux/generic/patches-4.0/204-module_strip.patch deleted file mode 100644 index 584839aa7a..0000000000 --- a/target/linux/generic/patches-4.0/204-module_strip.patch +++ /dev/null @@ -1,194 +0,0 @@ -From: Felix Fietkau <nbd@openwrt.org> -Subject: [PATCH] build: add a hack for removing non-essential module info - -Signed-off-by: Felix Fietkau <nbd@openwrt.org> ---- ---- a/include/linux/module.h -+++ b/include/linux/module.h -@@ -84,9 +84,10 @@ void trim_init_extable(struct module *m) - - /* Generic info of form tag = "info" */ - #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info) -+#define MODULE_INFO_STRIP(tag, info) __MODULE_INFO_STRIP(tag, tag, info) - - /* For userspace: you can also call me... */ --#define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias) -+#define MODULE_ALIAS(_alias) MODULE_INFO_STRIP(alias, _alias) - - /* Soft module dependencies. See man modprobe.d for details. - * Example: MODULE_SOFTDEP("pre: module-foo module-bar post: module-baz") -@@ -127,12 +128,12 @@ void trim_init_extable(struct module *m) - * Author(s), use "Name <email>" or just "Name", for multiple - * authors use multiple MODULE_AUTHOR() statements/lines. - */ --#define MODULE_AUTHOR(_author) MODULE_INFO(author, _author) -+#define MODULE_AUTHOR(_author) MODULE_INFO_STRIP(author, _author) - - /* What your module does. */ --#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description) -+#define MODULE_DESCRIPTION(_description) MODULE_INFO_STRIP(description, _description) - --#ifdef MODULE -+#if defined(MODULE) && !defined(CONFIG_MODULE_STRIPPED) - /* Creates an alias so file2alias.c can find device table. */ - #define MODULE_DEVICE_TABLE(type, name) \ - extern const typeof(name) __mod_##type##__##name##_device_table \ -@@ -159,7 +160,9 @@ extern const typeof(name) __mod_##type## - */ - - #if defined(MODULE) || !defined(CONFIG_SYSFS) --#define MODULE_VERSION(_version) MODULE_INFO(version, _version) -+#define MODULE_VERSION(_version) MODULE_INFO_STRIP(version, _version) -+#elif defined(CONFIG_MODULE_STRIPPED) -+#define MODULE_VERSION(_version) __MODULE_INFO_DISABLED(version) - #else - #define MODULE_VERSION(_version) \ - static struct module_version_attribute ___modver_attr = { \ -@@ -181,7 +184,7 @@ extern const typeof(name) __mod_##type## - /* Optional firmware file (or files) needed by the module - * format is simply firmware file name. Multiple firmware - * files require multiple MODULE_FIRMWARE() specifiers */ --#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware) -+#define MODULE_FIRMWARE(_firmware) MODULE_INFO_STRIP(firmware, _firmware) - - /* Given an address, look for it in the exception tables */ - const struct exception_table_entry *search_exception_tables(unsigned long add); ---- a/include/linux/moduleparam.h -+++ b/include/linux/moduleparam.h -@@ -16,6 +16,16 @@ - /* Chosen so that structs with an unsigned long line up. */ - #define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long)) - -+/* This struct is here for syntactic coherency, it is not used */ -+#define __MODULE_INFO_DISABLED(name) \ -+ struct __UNIQUE_ID(name) {} -+ -+#ifdef CONFIG_MODULE_STRIPPED -+#define __MODULE_INFO_STRIP(tag, name, info) __MODULE_INFO_DISABLED(name) -+#else -+#define __MODULE_INFO_STRIP(tag, name, info) __MODULE_INFO(tag, name, info) -+#endif -+ - #ifdef MODULE - #define __MODULE_INFO(tag, name, info) \ - static const char __UNIQUE_ID(name)[] \ -@@ -23,8 +33,7 @@ static const char __UNIQUE_ID(name)[] - = __stringify(tag) "=" info - #else /* !MODULE */ - /* This struct is here for syntactic coherency, it is not used */ --#define __MODULE_INFO(tag, name, info) \ -- struct __UNIQUE_ID(name) {} -+#define __MODULE_INFO(tag, name, info) __MODULE_INFO_DISABLED(name) - #endif - #define __MODULE_PARM_TYPE(name, _type) \ - __MODULE_INFO(parmtype, name##type, #name ":" _type) -@@ -32,7 +41,7 @@ static const char __UNIQUE_ID(name)[] - /* One for each parameter, describing how to use it. Some files do - multiple of these per line, so can't just use MODULE_INFO. */ - #define MODULE_PARM_DESC(_parm, desc) \ -- __MODULE_INFO(parm, _parm, #_parm ":" desc) -+ __MODULE_INFO_STRIP(parm, _parm, #_parm ":" desc) - - struct kernel_param; - ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1974,6 +1974,13 @@ config MODULE_COMPRESS_XZ - - endchoice - -+config MODULE_STRIPPED -+ bool "Reduce module size" -+ depends on MODULES -+ help -+ Remove module parameter descriptions, author info, version, aliases, -+ device tables, etc. -+ - endif # MODULES - - config INIT_ALL_POSSIBLE ---- a/kernel/module.c -+++ b/kernel/module.c -@@ -2680,6 +2680,7 @@ static struct module *setup_load_info(st - - static int check_modinfo(struct module *mod, struct load_info *info, int flags) - { -+#ifndef CONFIG_MODULE_STRIPPED - const char *modmagic = get_modinfo(info, "vermagic"); - int err; - -@@ -2705,6 +2706,7 @@ static int check_modinfo(struct module * - pr_warn("%s: module is from the staging directory, the quality " - "is unknown, you have been warned.\n", mod->name); - } -+#endif - - /* Set up license info based on the info section */ - set_license(mod, get_modinfo(info, "license")); ---- a/scripts/mod/modpost.c -+++ b/scripts/mod/modpost.c -@@ -1726,7 +1726,9 @@ static void read_symbols(char *modname) - symname = remove_dot(info.strtab + sym->st_name); - - handle_modversions(mod, &info, sym, symname); -+#ifndef CONFIG_MODULE_STRIPPED - handle_moddevtable(mod, &info, sym, symname); -+#endif - } - if (!is_vmlinux(modname) || - (is_vmlinux(modname) && vmlinux_section_warnings)) -@@ -1870,7 +1872,9 @@ static void add_header(struct buffer *b, - buf_printf(b, "#include <linux/vermagic.h>\n"); - buf_printf(b, "#include <linux/compiler.h>\n"); - buf_printf(b, "\n"); -+#ifndef CONFIG_MODULE_STRIPPED - buf_printf(b, "MODULE_INFO(vermagic, VERMAGIC_STRING);\n"); -+#endif - buf_printf(b, "\n"); - buf_printf(b, "__visible struct module __this_module\n"); - buf_printf(b, "__attribute__((section(\".gnu.linkonce.this_module\"))) = {\n"); -@@ -1887,16 +1891,20 @@ static void add_header(struct buffer *b, - - static void add_intree_flag(struct buffer *b, int is_intree) - { -+#ifndef CONFIG_MODULE_STRIPPED - if (is_intree) - buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n"); -+#endif - } - - static void add_staging_flag(struct buffer *b, const char *name) - { -+#ifndef CONFIG_MODULE_STRIPPED - static const char *staging_dir = "drivers/staging"; - - if (strncmp(staging_dir, name, strlen(staging_dir)) == 0) - buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n"); -+#endif - } - - /** -@@ -1989,11 +1997,13 @@ static void add_depends(struct buffer *b - - static void add_srcversion(struct buffer *b, struct module *mod) - { -+#ifndef CONFIG_MODULE_STRIPPED - if (mod->srcversion[0]) { - buf_printf(b, "\n"); - buf_printf(b, "MODULE_INFO(srcversion, \"%s\");\n", - mod->srcversion); - } -+#endif - } - - static void write_if_changed(struct buffer *b, const char *fname) -@@ -2224,7 +2234,9 @@ int main(int argc, char **argv) - add_staging_flag(&buf, mod->name); - err |= add_versions(&buf, mod); - add_depends(&buf, mod, modules); -+#ifndef CONFIG_MODULE_STRIPPED - add_moddevtable(&buf, mod); -+#endif - add_srcversion(&buf, mod); - - sprintf(fname, "%s.mod.c", mod->name); |