lkml.org 
[lkml]   [2021]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[meghadey-crypto:crypto-avx512 4/6] arch/x86/crypto/aes_ctrby16_avx512-x86_64.o: warning: objtool: aes_ctr_enc_128_avx512_by16()+0x7: unsupported stack pointer realignment
Hi Megha,

First bad commit (maybe != root cause):

tree: https://github.com/meghadey/crypto crypto-avx512
head: 9c8c2ca77f6e2575a130bddb9767d068e1162d71
commit: 0d32c3b2b017cabbd88c5a375fcb85cb45f365a7 [4/6] crypto: aesni - AES CTR x86_64 "by16" AVX512 optimization
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/0d32c3b2b017cabbd88c5a375fcb85cb45f365a7
git remote add meghadey-crypto https://github.com/meghadey/crypto
git fetch --no-tags meghadey-crypto crypto-avx512
git checkout 0d32c3b2b017cabbd88c5a375fcb85cb45f365a7
# 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/aes_ctrby16_avx512-x86_64.o: warning: objtool: aes_ctr_enc_128_avx512_by16()+0x7: unsupported stack pointer realignment
>> arch/x86/crypto/aes_ctrby16_avx512-x86_64.o: warning: objtool: aes_ctr_enc_192_avx512_by16()+0x7: unsupported stack pointer realignment
>> arch/x86/crypto/aes_ctrby16_avx512-x86_64.o: warning: objtool: aes_ctr_enc_256_avx512_by16()+0x7: unsupported stack pointer realignment

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[unhandled content-type:application/gzip]
\
 
 \ /
  Last update: 2021-10-01 04:25    [W:0.061 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site