Hi Nathan, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on herbert-cryptodev-2.6/master] [also build test WARNING on herbert-crypto-2.6/master v5.17-rc1 next-20220125] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Nathan-Huckleberry/crypto-HCTR2-... base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: x86_64-randconfig-s021-20220124 (https://download.01.org/0day-ci/archive/20220125/202201252050.7ejD1NJn-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/1b0bcd68c9d10bc6072c6ab1bf35ef8f7... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nathan-Huckleberry/crypto-HCTR2-support/20220125-102317 git checkout 1b0bcd68c9d10bc6072c6ab1bf35ef8f7dc51bf2 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/crypto/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) arch/x86/crypto/aesni-intel_glue.c: note: in included file: include/crypto/xctr.h:16:9: sparse: expected unsigned int x include/crypto/xctr.h:16:9: sparse: got restricted __le32 [usertype] vim +16 include/crypto/xctr.h 80a94d80c08052e Nathan Huckleberry 2022-01-24 12 80a94d80c08052e Nathan Huckleberry 2022-01-24 13 static inline void u32_to_le_block(u8 *a, u32 x, unsigned int size) 80a94d80c08052e Nathan Huckleberry 2022-01-24 14 { 80a94d80c08052e Nathan Huckleberry 2022-01-24 15 memset(a, 0, size); 80a94d80c08052e Nathan Huckleberry 2022-01-24 @16 put_unaligned(cpu_to_le32(x), (u32 *)a); 80a94d80c08052e Nathan Huckleberry 2022-01-24 17 } 80a94d80c08052e Nathan Huckleberry 2022-01-24 18 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org