tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 9f24885126c03082a677c4d607a2e3502781c858 commit: 2bb7005696e2246baa88772341ca032ff09a63cb [1639/1639] mailbox: Add support for i.MX messaging unit config: x86_64-buildonly-randconfig-005-20250516 (https://download.01.org/0day-ci/archive/20250517/202505170350.gUYB1D4Y-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250517/202505170350.gUYB1D4Y-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505170350.gUYB1D4Y-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/mailbox/imx-mailbox.c:11: include/linux/module.h:138:14: warning: 'cleanup_module' specifies less restrictive attribute than its target 'imx_mu_driver_exit': 'cold' [-Wmissing-attributes] 138 | void cleanup_module(void) __attribute__((alias(#exitfn))); | ^~~~~~~~~~~~~~ include/linux/device.h:1558:1: note: in expansion of macro 'module_exit' 1558 | module_exit(__driver##_exit); | ^~~~~~~~~~~ include/linux/platform_device.h:228:9: note: in expansion of macro 'module_driver' 228 | module_driver(__platform_driver, platform_driver_register, \ | ^~~~~~~~~~~~~ drivers/mailbox/imx-mailbox.c:354:1: note: in expansion of macro 'module_platform_driver' 354 | module_platform_driver(imx_mu_driver); | ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/mailbox_controller.h:13, from drivers/mailbox/imx-mailbox.c:10: drivers/mailbox/imx-mailbox.c:354:24: note: 'cleanup_module' target declared here 354 | module_platform_driver(imx_mu_driver); | ^~~~~~~~~~~~~ include/linux/device.h:1554:20: note: in definition of macro 'module_driver' 1554 | static void __exit __driver##_exit(void) \ | ^~~~~~~~ drivers/mailbox/imx-mailbox.c:354:1: note: in expansion of macro 'module_platform_driver' 354 | module_platform_driver(imx_mu_driver); | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/module.h:132:13: warning: 'init_module' specifies less restrictive attribute than its target 'imx_mu_driver_init': 'cold' [-Wmissing-attributes] 132 | int init_module(void) __attribute__((alias(#initfn))); | ^~~~~~~~~~~ include/linux/device.h:1553:1: note: in expansion of macro 'module_init' 1553 | module_init(__driver##_init); \ | ^~~~~~~~~~~ include/linux/platform_device.h:228:9: note: in expansion of macro 'module_driver' 228 | module_driver(__platform_driver, platform_driver_register, \ | ^~~~~~~~~~~~~ drivers/mailbox/imx-mailbox.c:354:1: note: in expansion of macro 'module_platform_driver' 354 | module_platform_driver(imx_mu_driver); | ^~~~~~~~~~~~~~~~~~~~~~ drivers/mailbox/imx-mailbox.c:354:24: note: 'init_module' target declared here 354 | module_platform_driver(imx_mu_driver); | ^~~~~~~~~~~~~ include/linux/device.h:1549:19: note: in definition of macro 'module_driver' 1549 | static int __init __driver##_init(void) \ | ^~~~~~~~ drivers/mailbox/imx-mailbox.c:354:1: note: in expansion of macro 'module_platform_driver' 354 | module_platform_driver(imx_mu_driver); | ^~~~~~~~~~~~~~~~~~~~~~

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drivers/mailbox/imx-mailbox.o: warning: objtool: missing symbol for section .exit.text

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