vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x545: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h

vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x545: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3857c2fe5449541e24afc5efdb0f81a8a8f9a3a0
commit: 5febf432df1cfa5b25d99b54c32103fafbdd0eb9 kbuild: rust: keep Rust objects out of Clang LTO with inline helpers
config: x86_64-randconfig-r2308-20261010 (https://download.01.org/0day-ci/archive/20261010/202610101604.FJT4WAKR-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261010/202610101604.FJT4WAKR-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 5febf432df1c ("kbuild: rust: keep Rust objects out of Clang LTO with inline helpers")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202610101604.FJT4WAKR-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x545: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_staa_read+0x190: unreachable instruction
>> vmlinux.o: warning: objtool: cfi_staa_write_buffers+0x42b: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_staa_lock+0x1d0: unreachable instruction
>> vmlinux.o: warning: objtool: cfi_staa_unlock+0x1ec: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_staa_resume+0x137: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_amdstd_read+0x451: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_amdstd_resume+0x181: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: fixup_sst38vf640x_sectorsize+0x11f: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: do_read_secsi_onechip+0x2a0: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: fixup_sst39vf_rev_b+0xe2: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_amdstd_write_buffers+0x230: unreachable instruction
>> vmlinux.o: warning: objtool: get_chip+0x2c1: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: put_chip+0x1c8: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: put_chip+0x277: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: chip_ready+0xce: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: chip_ready+0x9d: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_check_err_status+0x13b: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: fwh_xxlock_oneblock+0x171: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: fwh_xxlock_oneblock+0x168: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: cfi_amdstd_erase_chip+0x410: unreachable instruction
>> vmlinux.o: warning: objtool: do_atmel_lock+0x14d: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
>> vmlinux.o: warning: objtool: do_atmel_unlock+0x143: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_amdstd_reset+0x171: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_amdstd_otp_walk+0x388: cfi_qry_mode_on() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_otp_write+0x168: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_write_oneword+0x126: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_write_oneword+0x119: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_otp_lock+0x16e: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_otp_lock+0x75: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_amdstd_panic_wait+0x106: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_panic_write_oneword+0x190: unreachable instruction
   vmlinux.o: warning: objtool: do_erase_oneblock+0x310: unreachable instruction
   vmlinux.o: warning: objtool: do_erase_oneblock+0x1fd: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_read+0x2fe: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_suspend+0x4ec: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_resume+0x191: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: fixup_LH28F640BF+0x113: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_writev+0x290: unreachable instruction
   vmlinux.o: warning: objtool: inval_cache_and_wait_for_operation+0x69: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_point+0x54d: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_reset+0x171: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_otp_walk+0x6b6: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_otp_read+0x161: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_xxlock_oneblock+0x14f: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_getlockstatus_oneblock+0xd3: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: jedec_probe_chip+0x150: unreachable instruction
   vmlinux.o: warning: objtool: jedec_reset+0x80: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki