Hi Marco,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3
commit: 5106dfeaeabea73d5132daab1d89d57b57fa98b7 crypto: qat - add AES-XTS 
support for QAT GEN4 devices
date:   8 days ago
config: i386-randconfig-m021-20201216 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5106dfeaeabea73d5132daab1d89d57b57fa98b7
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5106dfeaeabea73d5132daab1d89d57b57fa98b7
        # 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 <l...@intel.com>

All errors (new ones prefixed by >>):

   ld: drivers/crypto/qat/qat_common/qat_algs.o: in function 
`qat_alg_xts_reverse_key':
>> drivers/crypto/qat/qat_common/qat_algs.c:483: undefined reference to 
>> `aes_expandkey'


vim +483 drivers/crypto/qat/qat_common/qat_algs.c

   475  
   476  static void qat_alg_xts_reverse_key(const u8 *key_forward, unsigned int 
keylen,
   477                                      u8 *key_reverse)
   478  {
   479          struct crypto_aes_ctx aes_expanded;
   480          int nrounds;
   481          u8 *key;
   482  
 > 483          aes_expandkey(&aes_expanded, key_forward, keylen);
   484          if (keylen == AES_KEYSIZE_128) {
   485                  nrounds = 10;
   486                  key = (u8 *)aes_expanded.key_enc + (AES_BLOCK_SIZE * 
nrounds);
   487                  memcpy(key_reverse, key, AES_BLOCK_SIZE);
   488          } else {
   489                  /* AES_KEYSIZE_256 */
   490                  nrounds = 14;
   491                  key = (u8 *)aes_expanded.key_enc + (AES_BLOCK_SIZE * 
nrounds);
   492                  memcpy(key_reverse, key, AES_BLOCK_SIZE);
   493                  memcpy(key_reverse + AES_BLOCK_SIZE, key - 
AES_BLOCK_SIZE,
   494                         AES_BLOCK_SIZE);
   495          }
   496  }
   497  

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

Attachment: .config.gz
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