* vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x45: relocation to !ENDBR: machine_kexec+0x1e2
@ 2024-01-06 9:01 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-01-06 9:01 UTC (permalink / raw)
Cc: oe-kbuild-all, llvm
CC: linux-kernel@vger.kernel.org
TO: Pengfei Xu <pengfei.xu@intel.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
CC: Dmitry Vyukov <dvyukov@google.com>
Hi Pengfei,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 95c8a35f1c017327eab3b6a2ff5c04255737c856
commit: 0d345996e4cb573f8cc81d49b3ee9a7fd2035bef x86/kernel: increase kcov coverage under arch/x86/kernel folder
date: 5 months ago
config: x86_64-randconfig-012-20240105 (https://download.01.org/0day-ci/archive/20240106/202401061645.Z4D02kFl-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240106/202401061645.Z4D02kFl-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401061645.Z4D02kFl-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x45: relocation to !ENDBR: machine_kexec+0x1e2
objdump-func vmlinux.o set_ftrace_ops_ro:
0000 000000000009fda0 <set_ftrace_ops_ro>:
0000 9fda0: f3 0f 1e fa endbr64
0004 9fda4: 41 57 push %r15
0006 9fda6: 41 56 push %r14
0008 9fda8: 41 55 push %r13
000a 9fdaa: 41 54 push %r12
000c 9fdac: 53 push %rbx
000d 9fdad: e8 00 00 00 00 call 9fdb2 <set_ftrace_ops_ro+0x12> 9fdae: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
0012 9fdb2: 48 8b 1d 00 00 00 00 mov 0x0(%rip),%rbx # 9fdb9 <set_ftrace_ops_ro+0x19> 9fdb5: R_X86_64_PC32 ftrace_ops_list-0x4
0019 9fdb9: e8 00 00 00 00 call 9fdbe <set_ftrace_ops_ro+0x1e> 9fdba: R_X86_64_PLT32 debug_lockdep_rcu_enabled-0x4
001e 9fdbe: 49 c7 c6 00 00 00 00 mov $0x0,%r14 9fdc1: R_X86_64_32S ftrace_list_end
0025 9fdc5: 48 c7 c0 00 00 00 00 mov $0x0,%rax 9fdc8: R_X86_64_32S ftrace_regs_caller
002c 9fdcc: 48 f7 d8 neg %rax
002f 9fdcf: 4c 8d 3c 05 00 00 00 00 lea 0x0(,%rax,1),%r15 9fdd3: R_X86_64_32S ftrace_regs_caller_end+0x100c
0037 9fdd7: 49 c1 ef 0c shr $0xc,%r15
003b 9fddb: 48 c7 c0 00 00 00 00 mov $0x0,%rax 9fdde: R_X86_64_32S ftrace_caller
0042 9fde2: 48 f7 d8 neg %rax
0045 9fde5: 4c 8d 24 05 00 00 00 00 lea 0x0(,%rax,1),%r12 9fde9: R_X86_64_32S ftrace_caller_end+0x100c
004d 9fded: 49 c1 ec 0c shr $0xc,%r12
0051 9fdf1: 4c 8b 6b 10 mov 0x10(%rbx),%r13
0055 9fdf5: 41 f7 c5 00 08 00 00 test $0x800,%r13d
005c 9fdfc: 75 07 jne 9fe05 <set_ftrace_ops_ro+0x65>
005e 9fdfe: e8 00 00 00 00 call 9fe03 <set_ftrace_ops_ro+0x63> 9fdff: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
0063 9fe03: eb 1c jmp 9fe21 <set_ftrace_ops_ro+0x81>
0065 9fe05: e8 00 00 00 00 call 9fe0a <set_ftrace_ops_ro+0x6a> 9fe06: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
006a 9fe0a: 41 f6 c5 04 test $0x4,%r13b
006e 9fe0e: 48 8b bb 60 01 00 00 mov 0x160(%rbx),%rdi
0075 9fe15: 44 89 fe mov %r15d,%esi
0078 9fe18: 41 0f 44 f4 cmove %r12d,%esi
007c 9fe1c: e8 00 00 00 00 call 9fe21 <set_ftrace_ops_ro+0x81> 9fe1d: R_X86_64_PLT32 set_memory_ro-0x4
0081 9fe21: 48 8b 5b 08 mov 0x8(%rbx),%rbx
0085 9fe25: e8 00 00 00 00 call 9fe2a <set_ftrace_ops_ro+0x8a> 9fe26: R_X86_64_PLT32 debug_lockdep_rcu_enabled-0x4
008a 9fe2a: 48 85 db test %rbx,%rbx
008d 9fe2d: 74 0c je 9fe3b <set_ftrace_ops_ro+0x9b>
008f 9fe2f: 4c 39 f3 cmp %r14,%rbx
0092 9fe32: 74 07 je 9fe3b <set_ftrace_ops_ro+0x9b>
0094 9fe34: e8 00 00 00 00 call 9fe39 <set_ftrace_ops_ro+0x99> 9fe35: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
0099 9fe39: eb b6 jmp 9fdf1 <set_ftrace_ops_ro+0x51>
009b 9fe3b: e8 00 00 00 00 call 9fe40 <set_ftrace_ops_ro+0xa0> 9fe3c: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
00a0 9fe40: 5b pop %rbx
00a1 9fe41: 41 5c pop %r12
00a3 9fe43: 41 5d pop %r13
00a5 9fe45: 41 5e pop %r14
00a7 9fe47: 41 5f pop %r15
00a9 9fe49: 31 c0 xor %eax,%eax
00ab 9fe4b: 31 ff xor %edi,%edi
00ad 9fe4d: 31 f6 xor %esi,%esi
00af 9fe4f: c3 ret
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-01-06 9:01 vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x45: relocation to !ENDBR: machine_kexec+0x1e2 kernel test robot
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