Messages in this thread | | | Date | Fri, 1 Oct 2021 10:23:36 +0800 | From | kernel test robot <> | 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 |
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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
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