arch/x86/crypto/crc32c-intel.o: warning: objtool: crc_pcl+0x7c: missing int3 after indirect jump

arch/x86/crypto/crc32c-intel.o: warning: objtool: crc_pcl+0x7c: missing int3 after indirect jump

[kernel test robot]

BCC: lkp@intel.com
CC: linux-kernel@vger.kernel.org
TO: Masahiro Yamada <masahiroy@kernel.org>
CC: Nicolas Schier <nicolas@fjasle.eu>
CC: Sami Tolvanen <samitolvanen@google.com>

Hi Masahiro,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b13baccc3850ca8b8cccbf8ed9912dbaa0fdf7f3
commit: c25e1c55822f9b3b53ccbf88b85644317a525752 kbuild: do not create *.prelink.o for Clang LTO or IBT
date:   2 weeks ago
config: x86_64-randconfig-r005-20220613 (https://download.01.org/0day-ci/archive/20220614/202206141358.kBph0dW4-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c97436f8b6e2718286e8496faf53a2c800e281cf)
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/torvalds/linux.git/commit/?id=c25e1c55822f9b3b53ccbf88b85644317a525752
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout c25e1c55822f9b3b53ccbf88b85644317a525752
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        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 where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/x86/crypto/crc32c-intel.o: warning: objtool: crc_pcl+0x7c: missing int3 after indirect jump

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

arch/x86/crypto/crc32c-intel.o: warning: objtool: crc_pcl+0x7c: missing int3 after indirect jump

[kernel test robot]

BCC: lkp@intel.com
CC: linux-kernel@vger.kernel.org
TO: Masahiro Yamada <masahiroy@kernel.org>
CC: Nicolas Schier <nicolas@fjasle.eu>
CC: Sami Tolvanen <samitolvanen@google.com>

Hi Masahiro,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   68e77ffbfd06ae3ef8f2abf1c3b971383c866983
commit: c25e1c55822f9b3b53ccbf88b85644317a525752 kbuild: do not create *.prelink.o for Clang LTO or IBT
date:   8 weeks ago
config: x86_64-randconfig-r001-20220718 (https://download.01.org/0day-ci/archive/20220722/202207221419.Vgemh2ZB-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 72686d68c137551cce816416190a18d45b4d4e2a)
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/torvalds/linux.git/commit/?id=c25e1c55822f9b3b53ccbf88b85644317a525752
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout c25e1c55822f9b3b53ccbf88b85644317a525752
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        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 where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/x86/crypto/crc32c-intel.o: warning: objtool: crc_pcl+0x7c: missing int3 after indirect jump


objdump-func vmlinux.o crc_pcl:

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp