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Date: Tue, 19 Sep 2023 23:40:03 +0800 From: kernel test robot <lkp@...el.com> To: Peter Zijlstra <peterz@...radead.org> Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org Subject: vmlinux.o: warning: objtool: cfi_staa_resume+0x169: cfi_build_cmd() is missing a __noreturn annotation tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2cf0f715623872823a72e451243bbf555d10d032 commit: 719a937b7003933de1298ffa4b881dd6a234e244 iov_iter: Mark copy_iovec_from_user() noclone date: 2 months ago config: x86_64-randconfig-a013-20220829 (https://download.01.org/0day-ci/archive/20230919/202309192309.adQMUolr-lkp@intel.com/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/20230919/202309192309.adQMUolr-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/202309192309.adQMUolr-lkp@intel.com/ 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 000000000220e220 <cfi_staa_resume>: 0000 220e220: f3 0f 1e fa endbr64 0004 220e224: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax 000e 220e22e: 41 57 push %r15 0010 220e230: 41 56 push %r14 0012 220e232: 41 55 push %r13 0014 220e234: 41 54 push %r12 0016 220e236: 55 push %rbp 0017 220e237: 53 push %rbx 0018 220e238: 48 89 fb mov %rdi,%rbx 001b 220e23b: 48 81 c7 90 01 00 00 add $0x190,%rdi 0022 220e242: 48 89 fa mov %rdi,%rdx 0025 220e245: 48 c1 ea 03 shr $0x3,%rdx 0029 220e249: 48 83 ec 30 sub $0x30,%rsp 002d 220e24d: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 0031 220e251: 0f 85 f1 01 00 00 jne 220e448 <cfi_staa_resume+0x228> 0037 220e257: 48 8b 83 90 01 00 00 mov 0x190(%rbx),%rax 003e 220e25e: 48 8d 78 60 lea 0x60(%rax),%rdi 0042 220e262: 48 89 44 24 08 mov %rax,0x8(%rsp) 0047 220e267: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax 0051 220e271: 48 89 fa mov %rdi,%rdx 0054 220e274: 48 c1 ea 03 shr $0x3,%rdx 0058 220e278: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 005c 220e27c: 0f 85 bc 01 00 00 jne 220e43e <cfi_staa_resume+0x21e> 0062 220e282: 48 8b 44 24 08 mov 0x8(%rsp),%rax 0067 220e287: 4c 8b 78 60 mov 0x60(%rax),%r15 006b 220e28b: 49 8d 47 40 lea 0x40(%r15),%rax 006f 220e28f: 48 89 c2 mov %rax,%rdx 0072 220e292: 48 89 04 24 mov %rax,(%rsp) 0076 220e296: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax 0080 220e2a0: 48 c1 ea 03 shr $0x3,%rdx 0084 220e2a4: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 0088 220e2a8: 84 c0 test %al,%al 008a 220e2aa: 74 08 je 220e2b4 <cfi_staa_resume+0x94> 008c 220e2ac: 3c 03 cmp $0x3,%al 008e 220e2ae: 0f 8e 57 01 00 00 jle 220e40b <cfi_staa_resume+0x1eb> 0094 220e2b4: 41 8b 47 40 mov 0x40(%r15),%eax 0098 220e2b8: 31 db xor %ebx,%ebx 009a 220e2ba: 85 c0 test %eax,%eax 009c 220e2bc: 0f 8e 3a 01 00 00 jle 220e3fc <cfi_staa_resume+0x1dc> 00a2 220e2c2: 49 bc 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%r12 00ac 220e2cc: 48 8b 44 24 08 mov 0x8(%rsp),%rax 00b1 220e2d1: 48 83 c0 18 add $0x18,%rax 00b5 220e2d5: 48 89 44 24 20 mov %rax,0x20(%rsp) 00ba 220e2da: 48 c1 e8 03 shr $0x3,%rax 00be 220e2de: 4c 01 e0 add %r12,%rax 00c1 220e2e1: 48 89 44 24 18 mov %rax,0x18(%rsp) 00c6 220e2e6: eb 2e jmp 220e316 <cfi_staa_resume+0xf6> 00c8 220e2e8: 48 89 ef mov %rbp,%rdi 00cb 220e2eb: 83 c3 01 add $0x1,%ebx 00ce 220e2ee: e8 00 00 00 00 call 220e2f3 <cfi_staa_resume+0xd3> 220e2ef: R_X86_64_PLT32 mutex_unlock-0x4 00d3 220e2f3: 48 8b 04 24 mov (%rsp),%rax 00d7 220e2f7: 48 c1 e8 03 shr $0x3,%rax 00db 220e2fb: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax 00e0 220e300: 84 c0 test %al,%al 00e2 220e302: 74 08 je 220e30c <cfi_staa_resume+0xec> 00e4 220e304: 3c 03 cmp $0x3,%al 00e6 220e306: 0f 8e 0d 01 00 00 jle 220e419 <cfi_staa_resume+0x1f9> 00ec 220e30c: 41 39 5f 40 cmp %ebx,0x40(%r15) 00f0 220e310: 0f 8e e6 00 00 00 jle 220e3fc <cfi_staa_resume+0x1dc> 00f6 220e316: 4c 63 eb movslq %ebx,%r13 00f9 220e319: 31 f6 xor %esi,%esi 00fb 220e31b: 4f 8d 44 ad 00 lea 0x0(%r13,%r13,4),%r8 0100 220e320: 49 c1 e0 06 shl $0x6,%r8 0104 220e324: 4b 8d ac 07 90 00 00 00 lea 0x90(%r15,%r8,1),%rbp 010c 220e32c: 4d 89 c6 mov %r8,%r14 010f 220e32f: 48 89 ef mov %rbp,%rdi 0112 220e332: e8 00 00 00 00 call 220e337 <cfi_staa_resume+0x117> 220e333: R_X86_64_PLT32 mutex_lock_nested-0x4 0117 220e337: 4f 8d 54 37 74 lea 0x74(%r15,%r14,1),%r10 011c 220e33c: 4c 89 d0 mov %r10,%rax 011f 220e33f: 48 c1 e8 03 shr $0x3,%rax 0123 220e343: 42 0f b6 14 20 movzbl (%rax,%r12,1),%edx 0128 220e348: 4c 89 d0 mov %r10,%rax 012b 220e34b: 83 e0 07 and $0x7,%eax 012e 220e34e: 83 c0 03 add $0x3,%eax 0131 220e351: 38 d0 cmp %dl,%al 0133 220e353: 7c 08 jl 220e35d <cfi_staa_resume+0x13d> 0135 220e355: 84 d2 test %dl,%dl 0137 220e357: 0f 85 ca 00 00 00 jne 220e427 <cfi_staa_resume+0x207> 013d 220e35d: 4b 8d 44 ad 00 lea 0x0(%r13,%r13,4),%rax 0142 220e362: 48 c1 e0 06 shl $0x6,%rax 0146 220e366: 41 83 7c 07 74 0c cmpl $0xc,0x74(%r15,%rax,1) 014c 220e36c: 0f 85 76 ff ff ff jne 220e2e8 <cfi_staa_resume+0xc8> 0152 220e372: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 0157 220e377: 4c 89 fa mov %r15,%rdx 015a 220e37a: bf ff 00 00 00 mov $0xff,%edi 015f 220e37f: 4c 89 54 24 10 mov %r10,0x10(%rsp) 0164 220e384: e8 00 00 00 00 call 220e389 <cfi_staa_resume+0x169> 220e385: R_X86_64_PLT32 cfi_build_cmd-0x4 0169 220e389: 48 8b 4c 24 18 mov 0x18(%rsp),%rcx 016e 220e38e: 4c 8b 54 24 10 mov 0x10(%rsp),%r10 0173 220e393: 80 39 00 cmpb $0x0,(%rcx) 0176 220e396: 0f 85 c3 00 00 00 jne 220e45f <cfi_staa_resume+0x23f> 017c 220e39c: 48 8b 4c 24 08 mov 0x8(%rsp),%rcx 0181 220e3a1: 48 8b 51 18 mov 0x18(%rcx),%rdx 0185 220e3a5: 48 89 02 mov %rax,(%rdx) 0188 220e3a8: 0f ae f0 mfence 018b 220e3ab: 4c 89 d0 mov %r10,%rax 018e 220e3ae: 48 c1 e8 03 shr $0x3,%rax 0192 220e3b2: 42 0f b6 14 20 movzbl (%rax,%r12,1),%edx 0197 220e3b7: 4c 89 d0 mov %r10,%rax 019a 220e3ba: 83 e0 07 and $0x7,%eax 019d 220e3bd: 83 c0 03 add $0x3,%eax 01a0 220e3c0: 38 d0 cmp %dl,%al 01a2 220e3c2: 7c 08 jl 220e3cc <cfi_staa_resume+0x1ac> 01a4 220e3c4: 84 d2 test %dl,%dl 01a6 220e3c6: 0f 85 86 00 00 00 jne 220e452 <cfi_staa_resume+0x232> 01ac 220e3cc: 4b 8d 44 ad 00 lea 0x0(%r13,%r13,4),%rax 01b1 220e3d1: 4b 8d bc 37 30 01 00 00 lea 0x130(%r15,%r14,1),%rdi 01b9 220e3d9: 31 c9 xor %ecx,%ecx 01bb 220e3db: ba 01 00 00 00 mov $0x1,%edx 01c0 220e3e0: 48 c1 e0 06 shl $0x6,%rax 01c4 220e3e4: be 03 00 00 00 mov $0x3,%esi 01c9 220e3e9: 41 c7 44 07 74 00 00 00 00 movl $0x0,0x74(%r15,%rax,1) 01d2 220e3f2: e8 00 00 00 00 call 220e3f7 <cfi_staa_resume+0x1d7> 220e3f3: R_X86_64_PLT32 __wake_up-0x4 01d7 220e3f7: e9 ec fe ff ff jmp 220e2e8 <cfi_staa_resume+0xc8> 01dc 220e3fc: 48 83 c4 30 add $0x30,%rsp 01e0 220e400: 5b pop %rbx 01e1 220e401: 5d pop %rbp 01e2 220e402: 41 5c pop %r12 01e4 220e404: 41 5d pop %r13 01e6 220e406: 41 5e pop %r14 01e8 220e408: 41 5f pop %r15 01ea 220e40a: c3 ret 01eb 220e40b: 48 8b 3c 24 mov (%rsp),%rdi 01ef 220e40f: e8 00 00 00 00 call 220e414 <cfi_staa_resume+0x1f4> 220e410: R_X86_64_PLT32 __asan_report_load4_noabort-0x4 01f4 220e414: e9 9b fe ff ff jmp 220e2b4 <cfi_staa_resume+0x94> 01f9 220e419: 48 8b 3c 24 mov (%rsp),%rdi 01fd 220e41d: e8 00 00 00 00 call 220e422 <cfi_staa_resume+0x202> 220e41e: R_X86_64_PLT32 __asan_report_load4_noabort-0x4 0202 220e422: e9 e5 fe ff ff jmp 220e30c <cfi_staa_resume+0xec> 0207 220e427: 4c 89 d7 mov %r10,%rdi 020a 220e42a: 4c 89 54 24 10 mov %r10,0x10(%rsp) 020f 220e42f: e8 00 00 00 00 call 220e434 <cfi_staa_resume+0x214> 220e430: R_X86_64_PLT32 __asan_report_load4_noabort-0x4 0214 220e434: 4c 8b 54 24 10 mov 0x10(%rsp),%r10 0219 220e439: e9 1f ff ff ff jmp 220e35d <cfi_staa_resume+0x13d> 021e 220e43e: e8 00 00 00 00 call 220e443 <cfi_staa_resume+0x223> 220e43f: R_X86_64_PLT32 __asan_report_load8_noabort-0x4 0223 220e443: e9 3a fe ff ff jmp 220e282 <cfi_staa_resume+0x62> 0228 220e448: e8 00 00 00 00 call 220e44d <cfi_staa_resume+0x22d> 220e449: R_X86_64_PLT32 __asan_report_load8_noabort-0x4 022d 220e44d: e9 05 fe ff ff jmp 220e257 <cfi_staa_resume+0x37> 0232 220e452: 4c 89 d7 mov %r10,%rdi 0235 220e455: e8 00 00 00 00 call 220e45a <cfi_staa_resume+0x23a> 220e456: R_X86_64_PLT32 __asan_report_store4_noabort-0x4 023a 220e45a: e9 6d ff ff ff jmp 220e3cc <cfi_staa_resume+0x1ac> 023f 220e45f: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi 0244 220e464: 48 89 44 24 28 mov %rax,0x28(%rsp) 0249 220e469: e8 00 00 00 00 call 220e46e <cfi_staa_resume+0x24e> 220e46a: R_X86_64_PLT32 __asan_report_load8_noabort-0x4 024e 220e46e: 48 8b 44 24 28 mov 0x28(%rsp),%rax 0253 220e473: 4c 8b 54 24 10 mov 0x10(%rsp),%r10 0258 220e478: e9 1f ff ff ff jmp 220e39c <cfi_staa_resume+0x17c> 025d 220e47d: 0f 1f 00 nopl (%rax) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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