Message ID | 20221216221703.294683-2-allenwebb@google.com |
---|---|
State | New |
Headers | show |
Series | Generate modules.builtin.alias from match ids | expand |
Hi Allen, Thank you for the patch! Yet something to improve: [auto build test ERROR on masahiroy-kbuild/fixes] [also build test ERROR on mcgrof/modules-next westeri-thunderbolt/next linus/master v6.1 next-20221216] [cannot apply to masahiroy-kbuild/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Allen-Webb/module-h-MODULE_DEVICE_TABLE-for-built-in-modules/20221217-071949 base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git fixes patch link: https://lore.kernel.org/r/20221216221703.294683-2-allenwebb%40google.com patch subject: [PATCH v7 1/5] module.h: MODULE_DEVICE_TABLE for built-in modules config: sh-allmodconfig compiler: sh4-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/403b6f73d008681a1db43482df4038dd670f1bd4 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Allen-Webb/module-h-MODULE_DEVICE_TABLE-for-built-in-modules/20221217-071949 git checkout 403b6f73d008681a1db43482df4038dd670f1bd4 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@intel.com> All errors (new ones prefixed by >>): In file included from include/linux/cpumask.h:10, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/rcupdate.h:29, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/spi/spi.h:10, from drivers/mfd/stmpe-spi.c:10: >> include/linux/module.h:251:21: error: '__mod_spi__stmpe_id__kmod_stmpe_spi_device_table' aliased to undefined symbol 'stmpe_id' 251 | CONCATENATE(__mod_##type##__##name##__, \ | ^~~~~~ include/linux/kernel.h:491:24: note: in definition of macro '__CONCAT' 491 | #define __CONCAT(a, b) a ## b | ^ include/linux/module.h:250:14: note: in expansion of macro 'CONCATENATE' 250 | extern void *CONCATENATE( \ | ^~~~~~~~~~~ include/linux/kernel.h:492:27: note: in expansion of macro '__CONCAT' 492 | #define CONCATENATE(a, b) __CONCAT(a, b) | ^~~~~~~~ include/linux/module.h:251:9: note: in expansion of macro 'CONCATENATE' 251 | CONCATENATE(__mod_##type##__##name##__, \ | ^~~~~~~~~~~ drivers/mfd/stmpe-spi.c:132:1: note: in expansion of macro 'MODULE_DEVICE_TABLE' 132 | MODULE_DEVICE_TABLE(spi, stmpe_id); | ^~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/clk.h:13, from drivers/mailbox/rockchip-mailbox.c:6: >> include/linux/module.h:251:21: error: '__mod_of__rockchp_mbox_of_match__kmod_rockchip_mailbox_device_table' aliased to undefined symbol 'rockchp_mbox_of_match' 251 | CONCATENATE(__mod_##type##__##name##__, \ | ^~~~~~ include/linux/kernel.h:491:24: note: in definition of macro '__CONCAT' 491 | #define __CONCAT(a, b) a ## b | ^ include/linux/module.h:250:14: note: in expansion of macro 'CONCATENATE' 250 | extern void *CONCATENATE( \ | ^~~~~~~~~~~ include/linux/kernel.h:492:27: note: in expansion of macro '__CONCAT' 492 | #define CONCATENATE(a, b) __CONCAT(a, b) | ^~~~~~~~ include/linux/module.h:251:9: note: in expansion of macro 'CONCATENATE' 251 | CONCATENATE(__mod_##type##__##name##__, \ | ^~~~~~~~~~~ drivers/mailbox/rockchip-mailbox.c:162:1: note: in expansion of macro 'MODULE_DEVICE_TABLE' 162 | MODULE_DEVICE_TABLE(of, rockchp_mbox_of_match); | ^~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/clk.h:13, from drivers/soc/imx/imx8mp-blk-ctrl.c:7: >> include/linux/module.h:251:21: error: '__mod_of__imx8m_blk_ctrl_of_match__kmod_imx8mp_blk_ctrl_device_table' aliased to undefined symbol 'imx8m_blk_ctrl_of_match' 251 | CONCATENATE(__mod_##type##__##name##__, \ | ^~~~~~ include/linux/kernel.h:491:24: note: in definition of macro '__CONCAT' 491 | #define __CONCAT(a, b) a ## b | ^ include/linux/module.h:250:14: note: in expansion of macro 'CONCATENATE' 250 | extern void *CONCATENATE( \ | ^~~~~~~~~~~ include/linux/kernel.h:492:27: note: in expansion of macro '__CONCAT' 492 | #define CONCATENATE(a, b) __CONCAT(a, b) | ^~~~~~~~ include/linux/module.h:251:9: note: in expansion of macro 'CONCATENATE' 251 | CONCATENATE(__mod_##type##__##name##__, \ | ^~~~~~~~~~~ drivers/soc/imx/imx8mp-blk-ctrl.c:746:1: note: in expansion of macro 'MODULE_DEVICE_TABLE' 746 | MODULE_DEVICE_TABLE(of, imx8m_blk_ctrl_of_match); | ^~~~~~~~~~~~~~~~~~~ vim +251 include/linux/module.h 239 240 #ifdef MODULE 241 /* Creates an alias so file2alias.c can find device table. */ 242 #define MODULE_DEVICE_TABLE(type, name) \ 243 extern typeof(name) __mod_##type##__##name##_device_table \ 244 __attribute__ ((unused, alias(__stringify(name)))) 245 #else /* !MODULE */ 246 /* The names may not be unique for built-in modules, so include the module name 247 * to guarantee uniqueness. 248 */ 249 #define MODULE_DEVICE_TABLE(type, name) \ 250 extern void *CONCATENATE( \ > 251 CONCATENATE(__mod_##type##__##name##__, \ 252 __KBUILD_MODNAME), \ 253 _device_table) \ 254 __attribute__ ((unused, alias(__stringify(name)))) 255 #endif 256
diff --git a/include/linux/module.h b/include/linux/module.h index ec61fb53979a9..49e4019393127 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -243,7 +243,15 @@ extern void cleanup_module(void); extern typeof(name) __mod_##type##__##name##_device_table \ __attribute__ ((unused, alias(__stringify(name)))) #else /* !MODULE */ -#define MODULE_DEVICE_TABLE(type, name) +/* The names may not be unique for built-in modules, so include the module name + * to guarantee uniqueness. + */ +#define MODULE_DEVICE_TABLE(type, name) \ +extern void *CONCATENATE( \ + CONCATENATE(__mod_##type##__##name##__, \ + __KBUILD_MODNAME), \ + _device_table) \ + __attribute__ ((unused, alias(__stringify(name)))) #endif /* Version of form [<epoch>:]<version>[-<extra-version>].
Implement MODULE_DEVICE_TABLE for build-in modules to make it possible to generate a builtin.alias file to complement modules.alias. Signed-off-by: Allen Webb <allenwebb@google.com> --- include/linux/module.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)