Hi Mimi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on integrity/next-integrity]
[also build test WARNING on v4.18-rc3 next-20180702]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Mimi-Zohar/kexec-firmware-support-system-wide-policy-requiring-signatures/20180703-011114
base:   https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

quoted

security/loadpin/loadpin.c:178:40: sparse: mixing different enum types

   security/loadpin/loadpin.c:178:40:     int enum kernel_load_data_id  versus
   security/loadpin/loadpin.c:178:40:     int enum kernel_read_file_id

vim +178 security/loadpin/loadpin.c

   175	
   176	static int loadpin_load_data(enum kernel_load_data_id id)
   177	{
 > 178		return loadpin_read_file(NULL, id);
   179	}
   180	

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