linux-kernel - vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x28: relocation to !ENDBR: arch_arm

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Date: Sun, 3 Mar 2024 07:06:29 +0800
From: kernel test robot <lkp@...el.com>
To: Mark Rutland <mark.rutland@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>,
	Florent Revest <revest@...omium.org>
Subject: vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x28: relocation to
 !ENDBR: arch_arm_kprobe+0x53

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4640e2be3920168f6b26512466562accb783423a
commit: fee86a4ed536f4e521f3a4530242e152dd2a466b ftrace: selftest: remove broken trace_direct_tramp
date:   12 months ago
config: x86_64-randconfig-121-20240302 (https://download.01.org/0day-ci/archive/20240303/202403030647.nbsj0FqZ-lkp@intel.com/config)
compiler: 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/20240303/202403030647.nbsj0FqZ-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/202403030647.nbsj0FqZ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x28: relocation to !ENDBR: arch_arm_kprobe+0x53


objdump-func vmlinux.o set_ftrace_ops_ro:
0000 00000000000492c0 <set_ftrace_ops_ro>:
0000    492c0:	f3 0f 1e fa          	endbr64
0004    492c4:	41 57                	push   %r15
0006    492c6:	41 56                	push   %r14
0008    492c8:	41 54                	push   %r12
000a    492ca:	53                   	push   %rbx
000b    492cb:	48 8b 1d 00 00 00 00 	mov    0x0(%rip),%rbx        # 492d2 <set_ftrace_ops_ro+0x12>	492ce: R_X86_64_PC32	ftrace_ops_list-0x4
0012    492d2:	e8 00 00 00 00       	call   492d7 <set_ftrace_ops_ro+0x17>	492d3: R_X86_64_PLT32	debug_lockdep_rcu_enabled-0x4
0017    492d7:	49 c7 c6 00 00 00 00 	mov    $0x0,%r14	492da: R_X86_64_32S	ftrace_list_end
001e    492de:	48 c7 c0 00 00 00 00 	mov    $0x0,%rax	492e1: R_X86_64_32S	ftrace_regs_caller
0025    492e5:	48 f7 d8             	neg    %rax
0028    492e8:	4c 8d 3c 05 00 00 00 00 	lea    0x0(,%rax,1),%r15	492ec: R_X86_64_32S	ftrace_regs_caller_end+0x1008
0030    492f0:	49 c1 ef 0c          	shr    $0xc,%r15
0034    492f4:	48 c7 c0 00 00 00 00 	mov    $0x0,%rax	492f7: R_X86_64_32S	ftrace_caller
003b    492fb:	48 f7 d8             	neg    %rax
003e    492fe:	4c 8d 24 05 00 00 00 00 	lea    0x0(,%rax,1),%r12	49302: R_X86_64_32S	ftrace_caller_end+0x1008
0046    49306:	49 c1 ec 0c          	shr    $0xc,%r12
004a    4930a:	48 8b 43 10          	mov    0x10(%rbx),%rax
004e    4930e:	a9 00 08 00 00       	test   $0x800,%eax
0053    49313:	74 15                	je     4932a <set_ftrace_ops_ro+0x6a>
0055    49315:	a8 04                	test   $0x4,%al
0057    49317:	48 8b bb 90 01 00 00 	mov    0x190(%rbx),%rdi
005e    4931e:	44 89 fe             	mov    %r15d,%esi
0061    49321:	41 0f 44 f4          	cmove  %r12d,%esi
0065    49325:	e8 00 00 00 00       	call   4932a <set_ftrace_ops_ro+0x6a>	49326: R_X86_64_PLT32	set_memory_ro-0x4
006a    4932a:	48 8b 5b 08          	mov    0x8(%rbx),%rbx
006e    4932e:	e8 00 00 00 00       	call   49333 <set_ftrace_ops_ro+0x73>	4932f: R_X86_64_PLT32	debug_lockdep_rcu_enabled-0x4
0073    49333:	48 85 db             	test   %rbx,%rbx
0076    49336:	74 05                	je     4933d <set_ftrace_ops_ro+0x7d>
0078    49338:	4c 39 f3             	cmp    %r14,%rbx
007b    4933b:	75 cd                	jne    4930a <set_ftrace_ops_ro+0x4a>
007d    4933d:	5b                   	pop    %rbx
007e    4933e:	41 5c                	pop    %r12
0080    49340:	41 5e                	pop    %r14
0082    49342:	41 5f                	pop    %r15
0084    49344:	c3                   	ret
0085    49345:	66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	data16 data16 data16 data16 data16 cs nopw 0x0(%rax,%rax,1)
0094    49354:	66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	data16 data16 data16 data16 data16 cs nopw 0x0(%rax,%rax,1)
00a3    49363:	66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	data16 data16 data16 data16 data16 cs nopw 0x0(%rax,%rax,1)
00b2    49372:	66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	data16 data16 data16 data16 cs nopw 0x0(%rax,%rax,1)

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