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Message-ID: <202510260435.79ThTwFt-lkp@intel.com>
Date: Sun, 26 Oct 2025 04:59:47 +0800
From: kernel test robot <lkp@...el.com>
To: Josh Poimboeuf <jpoimboe@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>
Subject: vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x4e3:
 cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   72761a7e31225971d0b29d9195e0ffa986b77867
commit: 29c578c848402a34e8c8e115bf66cb6008b77062 objtool, regulator: rk808: Remove potential undefined behavior in rk806_set_mode_dcdc()
date:   7 months ago
config: x86_64-randconfig-004-20251026 (https://download.01.org/0day-ci/archive/20251026/202510260435.79ThTwFt-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251026/202510260435.79ThTwFt-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
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510260435.79ThTwFt-lkp@intel.com/

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: cfi_probe_chip+0x7d: cfi_qry_mode_on() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_probe_chip+0x7f: unreachable instruction
   vmlinux.o: warning: objtool: cfi_probe_chip+0x81: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x4e3: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x4eb: unreachable instruction
   vmlinux.o: warning: objtool: cfi_staa_erase_varsize+0x4f5: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_staa_read+0x305: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_staa_read+0x30d: unreachable instruction
   vmlinux.o: warning: objtool: cfi_staa_read+0x312: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_staa_write_buffers+0x3b7: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_staa_write_buffers+0x3bf: unreachable instruction
   vmlinux.o: warning: objtool: cfi_staa_write_buffers+0x3c4: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_staa_lock+0x2b2: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_staa_lock+0x2b7: unreachable instruction
   vmlinux.o: warning: objtool: cfi_staa_lock+0x2bb: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_staa_unlock+0x1a4: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_staa_unlock+0x1a9: unreachable instruction
   vmlinux.o: warning: objtool: cfi_staa_unlock+0x1ae: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_staa_resume+0x12d: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_staa_resume+0x130: unreachable instruction
   vmlinux.o: warning: objtool: cfi_staa_resume+0x133: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: cfi_intelext_read+0x35e: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_read+0x361: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_read+0x364: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_intelext_write_words+0x296: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_write_words+0x299: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_write_words+0x29e: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: cfi_intelext_suspend+0x480: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_suspend+0x483: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_suspend+0x48d: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: cfi_intelext_resume+0x173: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_resume+0x176: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_resume+0x180: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: fixup_LH28F640BF+0x110: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: fixup_LH28F640BF+0x113: unreachable instruction
   vmlinux.o: warning: objtool: fixup_LH28F640BF+0x116: skipping duplicate warning(s)
>> vmlinux.o: warning: objtool: cfi_intelext_writev+0x4aa: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_writev+0x4ad: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_writev+0x4b2: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: inval_cache_and_wait_for_operation+0x6a: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: inval_cache_and_wait_for_operation+0x6f: unreachable instruction
   vmlinux.o: warning: objtool: inval_cache_and_wait_for_operation+0x73: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: put_chip+0x1d5: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: put_chip+0x1d8: unreachable instruction
   vmlinux.o: warning: objtool: put_chip+0x1dc: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: chip_ready+0x8d: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: chip_ready+0x92: unreachable instruction
   vmlinux.o: warning: objtool: chip_ready+0x97: skipping duplicate warning(s)
   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: fwh_xxlock_oneblock+0x16b: unreachable instruction
   vmlinux.o: warning: objtool: fwh_xxlock_oneblock+0x16e: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: cfi_intelext_point+0x538: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_point+0x53b: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_point+0x53e: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: cfi_intelext_reset+0x141: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: cfi_intelext_reset+0x144: unreachable instruction
   vmlinux.o: warning: objtool: cfi_intelext_reset+0x14e: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: do_erase_oneblock+0x1cd: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_erase_oneblock+0x1d0: unreachable instruction
   vmlinux.o: warning: objtool: do_erase_oneblock+0x1d3: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: do_xxlock_oneblock+0x13d: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_xxlock_oneblock+0x140: unreachable instruction
   vmlinux.o: warning: objtool: do_xxlock_oneblock+0x143: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: do_getlockstatus_oneblock+0xd8: cfi_build_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: do_getlockstatus_oneblock+0xdd: unreachable instruction
   vmlinux.o: warning: objtool: do_getlockstatus_oneblock+0xdf: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: jedec_probe_chip+0x304: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: jedec_probe_chip+0x308: unreachable instruction
   vmlinux.o: warning: objtool: jedec_probe_chip+0x310: skipping duplicate warning(s)
   vmlinux.o: warning: objtool: jedec_reset+0x88: cfi_send_gen_cmd() missing __noreturn in .c/.h or NORETURN() in noreturns.h
   vmlinux.o: warning: objtool: jedec_reset+0x8c: unreachable instruction
   vmlinux.o: warning: objtool: jedec_reset+0x90: skipping duplicate warning(s)

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

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