tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git acpica-osl head: 57750c6cfb4945a3aa9616dcddbb9c43c00ec158 commit: 884d8ec184239dccf3f94c5778826618a747f4e9 [/2] ACPI: OSL: Add support for deferred unmapping of ACPI memory config: i386-randconfig-a011-20200615 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout 884d8ec184239dccf3f94c5778826618a747f4e9 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): The function __acpi_os_unmap_iomem() references the function __init __acpi_unmap_table(). This is often because __acpi_os_unmap_iomem lacks a __init annotation or the annotation of __acpi_unmap_table is wrong. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org