vmlinux.o: warning: objtool: cfi_staa_resume+0x169: cfi_build_cmd() is missing a __noreturn annotation
From: kernel test robot
Date: Sat Oct 21 2023 - 00:15:08 EST
Hi Peter,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9c5d00cb7b6bbc5a7965d9ab7d223b5402d1f02c
commit: 719a937b7003933de1298ffa4b881dd6a234e244 iov_iter: Mark copy_iovec_from_user() noclone
date: 3 months ago
config: x86_64-randconfig-a013-20220829 (https://download.01.org/0day-ci/archive/20231021/202310211207.aIbizp9p-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231021/202310211207.aIbizp9p-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310211207.aIbizp9p-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: cfi_staa_resume+0x169: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: do_write_buffer+0x1d0: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: do_unlock_oneblock+0x132: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: do_lock_oneblock+0x132: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: do_erase_oneblock+0x10b: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: do_read_onechip+0x118: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: jedec_reset+0x95: cfi_send_gen_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: cfi_jedec_setup+0x3ae: cfi_build_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: jedec_probe_chip+0x2ec: cfi_send_gen_cmd() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: do_erase_oneblock.cold+0x0: unreachable instruction
>> vmlinux.o: warning: objtool: jedec_probe_chip.cold+0x0: unreachable instruction
objdump-func vmlinux.o cfi_staa_resume:
0000 000000000221ac30 <cfi_staa_resume>:
0000 221ac30: f3 0f 1e fa endbr64
0004 221ac34: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax
000e 221ac3e: 41 57 push %r15
0010 221ac40: 41 56 push %r14
0012 221ac42: 41 55 push %r13
0014 221ac44: 41 54 push %r12
0016 221ac46: 55 push %rbp
0017 221ac47: 53 push %rbx
0018 221ac48: 48 89 fb mov %rdi,%rbx
001b 221ac4b: 48 81 c7 90 01 00 00 add $0x190,%rdi
0022 221ac52: 48 89 fa mov %rdi,%rdx
0025 221ac55: 48 c1 ea 03 shr $0x3,%rdx
0029 221ac59: 48 83 ec 30 sub $0x30,%rsp
002d 221ac5d: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
0031 221ac61: 0f 85 f1 01 00 00 jne 221ae58 <cfi_staa_resume+0x228>
0037 221ac67: 48 8b 83 90 01 00 00 mov 0x190(%rbx),%rax
003e 221ac6e: 48 8d 78 60 lea 0x60(%rax),%rdi
0042 221ac72: 48 89 44 24 08 mov %rax,0x8(%rsp)
0047 221ac77: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax
0051 221ac81: 48 89 fa mov %rdi,%rdx
0054 221ac84: 48 c1 ea 03 shr $0x3,%rdx
0058 221ac88: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
005c 221ac8c: 0f 85 bc 01 00 00 jne 221ae4e <cfi_staa_resume+0x21e>
0062 221ac92: 48 8b 44 24 08 mov 0x8(%rsp),%rax
0067 221ac97: 4c 8b 78 60 mov 0x60(%rax),%r15
006b 221ac9b: 49 8d 47 40 lea 0x40(%r15),%rax
006f 221ac9f: 48 89 c2 mov %rax,%rdx
0072 221aca2: 48 89 04 24 mov %rax,(%rsp)
0076 221aca6: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax
0080 221acb0: 48 c1 ea 03 shr $0x3,%rdx
0084 221acb4: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
0088 221acb8: 84 c0 test %al,%al
008a 221acba: 74 08 je 221acc4 <cfi_staa_resume+0x94>
008c 221acbc: 3c 03 cmp $0x3,%al
008e 221acbe: 0f 8e 57 01 00 00 jle 221ae1b <cfi_staa_resume+0x1eb>
0094 221acc4: 41 8b 47 40 mov 0x40(%r15),%eax
0098 221acc8: 31 db xor %ebx,%ebx
009a 221acca: 85 c0 test %eax,%eax
009c 221accc: 0f 8e 3a 01 00 00 jle 221ae0c <cfi_staa_resume+0x1dc>
00a2 221acd2: 49 bc 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%r12
00ac 221acdc: 48 8b 44 24 08 mov 0x8(%rsp),%rax
00b1 221ace1: 48 83 c0 18 add $0x18,%rax
00b5 221ace5: 48 89 44 24 20 mov %rax,0x20(%rsp)
00ba 221acea: 48 c1 e8 03 shr $0x3,%rax
00be 221acee: 4c 01 e0 add %r12,%rax
00c1 221acf1: 48 89 44 24 18 mov %rax,0x18(%rsp)
00c6 221acf6: eb 2e jmp 221ad26 <cfi_staa_resume+0xf6>
00c8 221acf8: 48 89 ef mov %rbp,%rdi
00cb 221acfb: 83 c3 01 add $0x1,%ebx
00ce 221acfe: e8 00 00 00 00 call 221ad03 <cfi_staa_resume+0xd3> 221acff: R_X86_64_PLT32 mutex_unlock-0x4
00d3 221ad03: 48 8b 04 24 mov (%rsp),%rax
00d7 221ad07: 48 c1 e8 03 shr $0x3,%rax
00db 221ad0b: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax
00e0 221ad10: 84 c0 test %al,%al
00e2 221ad12: 74 08 je 221ad1c <cfi_staa_resume+0xec>
00e4 221ad14: 3c 03 cmp $0x3,%al
00e6 221ad16: 0f 8e 0d 01 00 00 jle 221ae29 <cfi_staa_resume+0x1f9>
00ec 221ad1c: 41 39 5f 40 cmp %ebx,0x40(%r15)
00f0 221ad20: 0f 8e e6 00 00 00 jle 221ae0c <cfi_staa_resume+0x1dc>
00f6 221ad26: 4c 63 eb movslq %ebx,%r13
00f9 221ad29: 31 f6 xor %esi,%esi
00fb 221ad2b: 4f 8d 44 ad 00 lea 0x0(%r13,%r13,4),%r8
0100 221ad30: 49 c1 e0 06 shl $0x6,%r8
0104 221ad34: 4b 8d ac 07 90 00 00 00 lea 0x90(%r15,%r8,1),%rbp
010c 221ad3c: 4d 89 c6 mov %r8,%r14
010f 221ad3f: 48 89 ef mov %rbp,%rdi
0112 221ad42: e8 00 00 00 00 call 221ad47 <cfi_staa_resume+0x117> 221ad43: R_X86_64_PLT32 mutex_lock_nested-0x4
0117 221ad47: 4f 8d 54 37 74 lea 0x74(%r15,%r14,1),%r10
011c 221ad4c: 4c 89 d0 mov %r10,%rax
011f 221ad4f: 48 c1 e8 03 shr $0x3,%rax
0123 221ad53: 42 0f b6 14 20 movzbl (%rax,%r12,1),%edx
0128 221ad58: 4c 89 d0 mov %r10,%rax
012b 221ad5b: 83 e0 07 and $0x7,%eax
012e 221ad5e: 83 c0 03 add $0x3,%eax
0131 221ad61: 38 d0 cmp %dl,%al
0133 221ad63: 7c 08 jl 221ad6d <cfi_staa_resume+0x13d>
0135 221ad65: 84 d2 test %dl,%dl
0137 221ad67: 0f 85 ca 00 00 00 jne 221ae37 <cfi_staa_resume+0x207>
013d 221ad6d: 4b 8d 44 ad 00 lea 0x0(%r13,%r13,4),%rax
0142 221ad72: 48 c1 e0 06 shl $0x6,%rax
0146 221ad76: 41 83 7c 07 74 0c cmpl $0xc,0x74(%r15,%rax,1)
014c 221ad7c: 0f 85 76 ff ff ff jne 221acf8 <cfi_staa_resume+0xc8>
0152 221ad82: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
0157 221ad87: 4c 89 fa mov %r15,%rdx
015a 221ad8a: bf ff 00 00 00 mov $0xff,%edi
015f 221ad8f: 4c 89 54 24 10 mov %r10,0x10(%rsp)
0164 221ad94: e8 00 00 00 00 call 221ad99 <cfi_staa_resume+0x169> 221ad95: R_X86_64_PLT32 cfi_build_cmd-0x4
0169 221ad99: 48 8b 4c 24 18 mov 0x18(%rsp),%rcx
016e 221ad9e: 4c 8b 54 24 10 mov 0x10(%rsp),%r10
0173 221ada3: 80 39 00 cmpb $0x0,(%rcx)
0176 221ada6: 0f 85 c3 00 00 00 jne 221ae6f <cfi_staa_resume+0x23f>
017c 221adac: 48 8b 4c 24 08 mov 0x8(%rsp),%rcx
0181 221adb1: 48 8b 51 18 mov 0x18(%rcx),%rdx
0185 221adb5: 48 89 02 mov %rax,(%rdx)
0188 221adb8: 0f ae f0 mfence
018b 221adbb: 4c 89 d0 mov %r10,%rax
018e 221adbe: 48 c1 e8 03 shr $0x3,%rax
0192 221adc2: 42 0f b6 14 20 movzbl (%rax,%r12,1),%edx
0197 221adc7: 4c 89 d0 mov %r10,%rax
019a 221adca: 83 e0 07 and $0x7,%eax
019d 221adcd: 83 c0 03 add $0x3,%eax
01a0 221add0: 38 d0 cmp %dl,%al
01a2 221add2: 7c 08 jl 221addc <cfi_staa_resume+0x1ac>
01a4 221add4: 84 d2 test %dl,%dl
01a6 221add6: 0f 85 86 00 00 00 jne 221ae62 <cfi_staa_resume+0x232>
01ac 221addc: 4b 8d 44 ad 00 lea 0x0(%r13,%r13,4),%rax
01b1 221ade1: 4b 8d bc 37 30 01 00 00 lea 0x130(%r15,%r14,1),%rdi
01b9 221ade9: 31 c9 xor %ecx,%ecx
01bb 221adeb: ba 01 00 00 00 mov $0x1,%edx
01c0 221adf0: 48 c1 e0 06 shl $0x6,%rax
01c4 221adf4: be 03 00 00 00 mov $0x3,%esi
01c9 221adf9: 41 c7 44 07 74 00 00 00 00 movl $0x0,0x74(%r15,%rax,1)
01d2 221ae02: e8 00 00 00 00 call 221ae07 <cfi_staa_resume+0x1d7> 221ae03: R_X86_64_PLT32 __wake_up-0x4
01d7 221ae07: e9 ec fe ff ff jmp 221acf8 <cfi_staa_resume+0xc8>
01dc 221ae0c: 48 83 c4 30 add $0x30,%rsp
01e0 221ae10: 5b pop %rbx
01e1 221ae11: 5d pop %rbp
01e2 221ae12: 41 5c pop %r12
01e4 221ae14: 41 5d pop %r13
01e6 221ae16: 41 5e pop %r14
01e8 221ae18: 41 5f pop %r15
01ea 221ae1a: c3 ret
01eb 221ae1b: 48 8b 3c 24 mov (%rsp),%rdi
01ef 221ae1f: e8 00 00 00 00 call 221ae24 <cfi_staa_resume+0x1f4> 221ae20: R_X86_64_PLT32 __asan_report_load4_noabort-0x4
01f4 221ae24: e9 9b fe ff ff jmp 221acc4 <cfi_staa_resume+0x94>
01f9 221ae29: 48 8b 3c 24 mov (%rsp),%rdi
01fd 221ae2d: e8 00 00 00 00 call 221ae32 <cfi_staa_resume+0x202> 221ae2e: R_X86_64_PLT32 __asan_report_load4_noabort-0x4
0202 221ae32: e9 e5 fe ff ff jmp 221ad1c <cfi_staa_resume+0xec>
0207 221ae37: 4c 89 d7 mov %r10,%rdi
020a 221ae3a: 4c 89 54 24 10 mov %r10,0x10(%rsp)
020f 221ae3f: e8 00 00 00 00 call 221ae44 <cfi_staa_resume+0x214> 221ae40: R_X86_64_PLT32 __asan_report_load4_noabort-0x4
0214 221ae44: 4c 8b 54 24 10 mov 0x10(%rsp),%r10
0219 221ae49: e9 1f ff ff ff jmp 221ad6d <cfi_staa_resume+0x13d>
021e 221ae4e: e8 00 00 00 00 call 221ae53 <cfi_staa_resume+0x223> 221ae4f: R_X86_64_PLT32 __asan_report_load8_noabort-0x4
0223 221ae53: e9 3a fe ff ff jmp 221ac92 <cfi_staa_resume+0x62>
0228 221ae58: e8 00 00 00 00 call 221ae5d <cfi_staa_resume+0x22d> 221ae59: R_X86_64_PLT32 __asan_report_load8_noabort-0x4
022d 221ae5d: e9 05 fe ff ff jmp 221ac67 <cfi_staa_resume+0x37>
0232 221ae62: 4c 89 d7 mov %r10,%rdi
0235 221ae65: e8 00 00 00 00 call 221ae6a <cfi_staa_resume+0x23a> 221ae66: R_X86_64_PLT32 __asan_report_store4_noabort-0x4
023a 221ae6a: e9 6d ff ff ff jmp 221addc <cfi_staa_resume+0x1ac>
023f 221ae6f: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi
0244 221ae74: 48 89 44 24 28 mov %rax,0x28(%rsp)
0249 221ae79: e8 00 00 00 00 call 221ae7e <cfi_staa_resume+0x24e> 221ae7a: R_X86_64_PLT32 __asan_report_load8_noabort-0x4
024e 221ae7e: 48 8b 44 24 28 mov 0x28(%rsp),%rax
0253 221ae83: 4c 8b 54 24 10 mov 0x10(%rsp),%r10
0258 221ae88: e9 1f ff ff ff jmp 221adac <cfi_staa_resume+0x17c>
025d 221ae8d: 0f 1f 00 nopl (%rax)
--
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https://github.com/intel/lkp-tests/wiki