[v1 PATCH 1/2] Refactoring carrying over IMA measuremnet logs over Kexec.

[kernel test robot]

Hi Prakhar,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on powerpc/next soc/for-next v5.7 next-20200605]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Prakhar-Srivastava/Adding-support-to-carry-IMA-measurement-logs/20200608-073805
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: arm64-randconfig-r012-20200607 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project e429cffd4f228f70c1d9df0e5d77c08590dd9766)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> arch/arm64/kernel/machine_kexec_file.c:50:5: warning: no previous prototype for function 'arch_ima_add_kexec_buffer' [-Wmissing-prototypes]
int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr,
^
arch/arm64/kernel/machine_kexec_file.c:50:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr,
^
static
1 warning generated.

vim +/arch_ima_add_kexec_buffer +50 arch/arm64/kernel/machine_kexec_file.c

    41	
    42	/**
    43	 * arch_ima_add_kexec_buffer - do arch-specific steps to add the IMA buffer
    44	 *
    45	 * Architectures should use this function to pass on the IMA buffer
    46	 * information to the next kernel.
    47	 *
    48	 * Return: 0 on success, negative errno on error.
    49	 */
  > 50	int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr,
    51				      size_t size)
    52	{
    53		image->arch.ima_buffer_addr = load_addr;
    54		image->arch.ima_buffer_size = size;
    55		return 0;
    56	}
    57	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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