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Subject[meghadey-crypto:crypto-avx512 5/6] arch/x86/crypto/aesni-intel_avx512-x86_64.o: warning: objtool: aesni_gcm_init_avx_512()+0xa: unsupported stack pointer realignment
Hi Megha,

First bad commit (maybe != root cause):

tree: https://github.com/meghadey/crypto crypto-avx512
head: 9c8c2ca77f6e2575a130bddb9767d068e1162d71
commit: 377aede9f10ee28be954473668bc6d33c6c9db75 [5/6] crypto: aesni - AVX512 version of AESNI-GCM using VPCLMULQDQ
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/meghadey/crypto/commit/377aede9f10ee28be954473668bc6d33c6c9db75
git remote add meghadey-crypto https://github.com/meghadey/crypto
git fetch --no-tags meghadey-crypto crypto-avx512
git checkout 377aede9f10ee28be954473668bc6d33c6c9db75
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/

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

All warnings (new ones prefixed by >>):

>> arch/x86/crypto/aesni-intel_avx512-x86_64.o: warning: objtool: aesni_gcm_init_avx_512()+0xa: unsupported stack pointer realignment
>> arch/x86/crypto/aesni-intel_avx512-x86_64.o: warning: objtool: aesni_gcm_enc_update_avx_512()+0xa: unsupported stack pointer realignment
>> arch/x86/crypto/aesni-intel_avx512-x86_64.o: warning: objtool: aesni_gcm_dec_update_avx_512()+0xa: unsupported stack pointer realignment
>> arch/x86/crypto/aesni-intel_avx512-x86_64.o: warning: objtool: aesni_gcm_finalize_avx_512()+0xa: unsupported stack pointer realignment
>> arch/x86/crypto/aesni-intel_avx512-x86_64.o: warning: objtool: aes_gcm_precomp_avx_512()+0xa: unsupported stack pointer realignment

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