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Subject[ammarfaizi2-block:tglx/devel/depthtracking 32/59] vmlinux.o: warning: objtool: ftrace_replace_code.cold+0x0: unreachable instruction
tree:   https://github.com/ammarfaizi2/linux-block tglx/devel/depthtracking
head: b518e558c49324fa002255761d2a7324ba31f7b5
commit: 1da8c357194195fff4d08bf92d75c50ea495c726 [32/59] objtool: Allow STT_NOTYPE -> STT_FUNC+0 tail-calls
config: x86_64-randconfig-a011-20220801 (https://download.01.org/0day-ci/archive/20220807/202208070926.VGxv4GTD-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/ammarfaizi2/linux-block/commit/1da8c357194195fff4d08bf92d75c50ea495c726
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block tglx/devel/depthtracking
git checkout 1da8c357194195fff4d08bf92d75c50ea495c726
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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 >>):

>> vmlinux.o: warning: objtool: ftrace_replace_code.cold+0x0: unreachable instruction


objdump-func vmlinux.o ftrace_replace_code.cold:
0000 0000000000012fdd <ftrace_replace_code.cold>:
0000 12fdd: 5b pop %rbx
0001 12fde: 48 89 ee mov %rbp,%rsi
0004 12fe1: 89 c7 mov %eax,%edi
0006 12fe3: 5d pop %rbp
0007 12fe4: 41 5c pop %r12
0009 12fe6: 41 5d pop %r13
000b 12fe8: 41 5e pop %r14
000d 12fea: e9 9d fd ff ff jmp 12d8c <ftrace_bug>

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

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