[palmer:for-next 71/73] drivers/firmware/efi/libstub/efi-stub-helper.c:825:23: warning: implicit declaration of function 'efi_get_kimg_min_align' is invalid in C99

[palmer:for-next 71/73] drivers/firmware/efi/libstub/efi-stub-helper.c:825:23: warning: implicit declaration of function 'efi_get_kimg_min_align' is invalid in C99

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git for-next
head:   6ea13757cbd6077ce0a7f54c80f9a75ec16e14d1
commit: 17e3193214a13b77e1ce3ec38d819904da2ab7a8 [71/73] arm64: libstub: Move KASLR handling functions to efi-stub-helper.c
config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20230428/202304280914.JoGEqII1-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git/commit/?id=17e3193214a13b77e1ce3ec38d819904da2ab7a8
        git remote add palmer https://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git
        git fetch --no-tags palmer for-next
        git checkout 17e3193214a13b77e1ce3ec38d819904da2ab7a8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/firmware/efi/libstub/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304280914.JoGEqII1-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/firmware/efi/libstub/efi-stub-helper.c:825:23: warning: implicit declaration of function 'efi_get_kimg_min_align' is invalid in C99 [-Wimplicit-function-declaration]
           u64 min_kimg_align = efi_get_kimg_min_align();
                                ^
   drivers/firmware/efi/libstub/efi-stub-helper.c:868:2: warning: implicit declaration of function 'caches_clean_inval_pou' is invalid in C99 [-Wimplicit-function-declaration]
           caches_clean_inval_pou(*image_addr, *image_addr + kernel_codesize);
           ^
   2 warnings generated.


vim +/efi_get_kimg_min_align +825 drivers/firmware/efi/libstub/efi-stub-helper.c

   799	
   800	/**
   801	 * efi_kaslr_relocate_kernel() - Relocate the kernel (random if KASLR enabled)
   802	 * @image_addr:	Pointer to the current kernel location
   803	 * @reserve_addr:	Pointer to the relocated kernel location
   804	 * @reserve_size:	Size of the relocated kernel
   805	 * @kernel_size:	Size of the text + data
   806	 * @kernel_codesize:	Size of the text
   807	 * @kernel_memsize:	Size of the text + data + bss
   808	 * @phys_seed:		Random seed used for the relocation
   809	 *
   810	 * If KASLR is not enabled, this function relocates the kernel to a fixed
   811	 * address (or leave it as its current location). If KASLR is enabled, the
   812	 * kernel physical location is randomized using the seed in parameter.
   813	 *
   814	 * Return:	status code, EFI_SUCCESS if relocation is successful
   815	 */
   816	efi_status_t efi_kaslr_relocate_kernel(unsigned long *image_addr,
   817					       unsigned long *reserve_addr,
   818					       unsigned long *reserve_size,
   819					       unsigned long kernel_size,
   820					       unsigned long kernel_codesize,
   821					       unsigned long kernel_memsize,
   822					       u32 phys_seed)
   823	{
   824		efi_status_t status;
 > 825		u64 min_kimg_align = efi_get_kimg_min_align();

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests