[tip:x86/core 53/53] arch/x86/crypto/chacha-x86_64.prelink.o: warning: objtool: chacha_2block_xor_avx512vl() falls through to next function chacha_8block_xor_avx512vl()

[kernel test robot <lkp@intel.com>]

BCC: lkp@intel.com
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
TO: Peter Zijlstra <peterz@infradead.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
head:   2f35e67f621fffc636cb802a4f93fd168cf38274
commit: 2f35e67f621fffc636cb802a4f93fd168cf38274 [53/53] kbuild: Fixup the IBT kbuild changes
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20220319/202203192005.hZMAnkDH-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6e70e4056dff962ec634c5bd4f2f4105a0bef71)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f35e67f621fffc636cb802a4f93fd168cf38274
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip x86/core
        git checkout 2f35e67f621fffc636cb802a4f93fd168cf38274
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/chacha-x86_64.prelink.o: warning: objtool: chacha_2block_xor_avx512vl() falls through to next function chacha_8block_xor_avx512vl()
>> arch/x86/crypto/chacha-x86_64.prelink.o: warning: objtool: chacha_4block_xor_avx512vl() falls through to next function chacha_8block_xor_avx512vl()
--
>> arch/x86/crypto/poly1305-x86_64.prelink.o: warning: objtool: poly1305_blocks_avx() falls through to next function poly1305_blocks_x86_64()
>> arch/x86/crypto/poly1305-x86_64.prelink.o: warning: objtool: poly1305_emit_avx() falls through to next function poly1305_emit_x86_64()
>> arch/x86/crypto/poly1305-x86_64.prelink.o: warning: objtool: poly1305_blocks_avx2() falls through to next function poly1305_blocks_x86_64()
>> arch/x86/crypto/poly1305-x86_64.prelink.o: warning: objtool: poly1305_blocks_avx512() falls through to next function poly1305_blocks_x86_64()

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