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Date: Wed, 22 Feb 2023 22:44:54 +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,
Ingo Molnar <mingo@...nel.org>
Subject: vmlinux.o: warning: objtool: intel_idle_ibrs+0x169: call to
ftrace_likely_update() leaves .noinstr.text section
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2
commit: 9b461a6faae7b220c32466261965778b10189e54 cpuidle, intel_idle: Fix CPUIDLE_FLAG_IBRS
date: 6 weeks ago
config: x86_64-randconfig-r002-20230220 (https://download.01.org/0day-ci/archive/20230222/202302222203.CR5fNzF4-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9b461a6faae7b220c32466261965778b10189e54
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9b461a6faae7b220c32466261965778b10189e54
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302222203.CR5fNzF4-lkp@intel.com/
All warnings (new ones prefixed by >>):
vmlinux.o: warning: objtool: __rdgsbase_inactive+0x22: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: __wrgsbase_inactive+0x26: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: fixup_bad_iret+0x7f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: noist_exc_debug+0x3c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_nmi+0x31: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: poke_int3_handler+0x2d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_enter+0x48: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_exit+0x43: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: enter_from_user_mode+0x2f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x34: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x2f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x2f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_exit+0x29: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_kernel_exit_state+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_kernel_enter_state+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: context_tracking_recursion_enter+0x46: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_kernel_enter.constprop.0+0x2a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_kernel_exit.constprop.0+0x48: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_idle_enter+0x15: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: __ct_user_enter+0x4f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_nmi_enter+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_irq_enter+0x34: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_irq_exit+0x34: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: mwait_idle+0x2a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_processor_ffh_cstate_enter+0x120: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: intel_idle_ibrs+0x169: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle+0x113: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_xstate+0x118: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_irq+0x115: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_s2idle+0x11c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_idle_enter_s2idle+0x8b: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_idle_enter+0x6b: call to ftrace_likely_update() leaves .noinstr.text section
objdump-func vmlinux.o intel_idle_ibrs:
0000 0000000000000500 <intel_idle_ibrs>:
0000 500: 41 56 push %r14
0002 502: 49 89 f6 mov %rsi,%r14
0005 505: 41 55 push %r13
0007 507: 41 54 push %r12
0009 509: 41 89 d4 mov %edx,%r12d
000c 50c: 55 push %rbp
000d 50d: 53 push %rbx
000e 50e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 50f: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0013 513: e9 64 01 00 00 jmp 67c <intel_idle_ibrs+0x17c>
0018 518: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 519: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
001d 51d: e8 00 00 00 00 call 522 <intel_idle_ibrs+0x22> 51e: R_X86_64_PLT32 spec_ctrl_current-0x4
0022 522: b9 48 00 00 00 mov $0x48,%ecx
0027 527: 48 89 c3 mov %rax,%rbx
002a 52a: 31 c0 xor %eax,%eax
002c 52c: 89 c2 mov %eax,%edx
002e 52e: 0f 30 wrmsr
0030 530: 41 bd 01 00 00 00 mov $0x1,%r13d
0036 536: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 537: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
003b 53b: 49 63 ec movslq %r12d,%rbp
003e 53e: 48 83 fd 0a cmp $0xa,%rbp
0042 542: 0f 87 49 01 00 00 ja 691 <intel_idle_ibrs+0x191>
0048 548: 48 8d 44 6d 00 lea 0x0(%rbp,%rbp,2),%rax
004d 54d: 48 8d 44 85 00 lea 0x0(%rbp,%rax,4),%rax
0052 552: 41 8b 6c c6 58 mov 0x58(%r14,%rax,8),%ebp
0057 557: e9 00 00 00 00 jmp 55c <intel_idle_ibrs+0x5c> 558: R_X86_64_PC32 .altinstr_aux+0x1bc2
005c 55c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 55d: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0061 561: e9 00 00 00 00 jmp 566 <intel_idle_ibrs+0x66> 562: R_X86_64_PC32 .altinstr_aux+0x1bd4
0066 566: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 567: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
006b 56b: 0f ae f0 mfence
006e 56e: 65 48 8b 04 25 00 00 00 00 mov %gs:0x0,%rax 573: R_X86_64_32S pcpu_hot
0077 577: 0f ae 38 clflush (%rax)
007a 57a: 0f ae f0 mfence
007d 57d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 57e: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0082 582: 31 d2 xor %edx,%edx
0084 584: 48 89 d1 mov %rdx,%rcx
0087 587: 65 48 8b 04 25 00 00 00 00 mov %gs:0x0,%rax 58c: R_X86_64_32S pcpu_hot
0090 590: 0f 01 c8 monitor %rax,%ecx,%edx
0093 593: 48 8b 30 mov (%rax),%rsi
0096 596: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 599: R_X86_64_32S _ftrace_annotated_branch+0x1d2d70
009d 59d: 48 c1 ee 03 shr $0x3,%rsi
00a1 5a1: 41 89 f6 mov %esi,%r14d
00a4 5a4: 83 e6 01 and $0x1,%esi
00a7 5a7: 41 83 e6 01 and $0x1,%r14d
00ab 5ab: e8 00 00 00 00 call 5b0 <intel_idle_ibrs+0xb0> 5ac: R_X86_64_PLT32 ftrace_likely_update-0x4
00b0 5b0: 45 84 f6 test %r14b,%r14b
00b3 5b3: 75 25 jne 5da <intel_idle_ibrs+0xda>
00b5 5b5: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5b6: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
00ba 5ba: eb 0c jmp 5c8 <intel_idle_ibrs+0xc8>
00bc 5bc: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5bd: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
00c1 5c1: 0f 00 2d 00 00 00 00 verw 0x0(%rip) # 5c8 <intel_idle_ibrs+0xc8> 5c4: R_X86_64_PC32 .rodata+0x2ca048
00c8 5c8: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5c9: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
00cd 5cd: c1 ed 18 shr $0x18,%ebp
00d0 5d0: b9 01 00 00 00 mov $0x1,%ecx
00d5 5d5: 89 e8 mov %ebp,%eax
00d7 5d7: 0f 01 c9 mwait %eax,%ecx
00da 5da: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5db: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
00df 5df: 65 48 8b 04 25 00 00 00 00 mov %gs:0x0,%rax 5e4: R_X86_64_32S pcpu_hot
00e8 5e8: f0 80 60 02 df lock andb $0xdf,0x2(%rax)
00ed 5ed: f0 83 44 24 fc 00 lock addl $0x0,-0x4(%rsp)
00f3 5f3: 48 8b 00 mov (%rax),%rax
00f6 5f6: a8 08 test $0x8,%al
00f8 5f8: 74 10 je 60a <intel_idle_ibrs+0x10a>
00fa 5fa: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5fb: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
00ff 5ff: 65 81 25 00 00 00 00 ff ff ff 7f andl $0x7fffffff,%gs:0x0(%rip) # 60a <intel_idle_ibrs+0x10a> 602: R_X86_64_PC32 pcpu_hot
010a 60a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 60b: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
010f 60f: 45 84 ed test %r13b,%r13b
0112 612: 74 15 je 629 <intel_idle_ibrs+0x129>
0114 614: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 615: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0119 619: 48 89 da mov %rbx,%rdx
011c 61c: b9 48 00 00 00 mov $0x48,%ecx
0121 621: 89 d8 mov %ebx,%eax
0123 623: 48 c1 ea 20 shr $0x20,%rdx
0127 627: 0f 30 wrmsr
0129 629: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 62a: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
012e 62e: 44 89 e0 mov %r12d,%eax
0131 631: 5b pop %rbx
0132 632: 5d pop %rbp
0133 633: 41 5c pop %r12
0135 635: 41 5d pop %r13
0137 637: 41 5e pop %r14
0139 639: c3 ret
013a 63a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 63b: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
013f 63f: 65 48 8b 04 25 00 00 00 00 mov %gs:0x0,%rax 644: R_X86_64_32S pcpu_hot
0148 648: f0 80 48 02 20 lock orb $0x20,0x2(%rax)
014d 64d: 48 8b 30 mov (%rax),%rsi
0150 650: 31 c9 xor %ecx,%ecx
0152 652: 31 d2 xor %edx,%edx
0154 654: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 657: R_X86_64_32S _ftrace_annotated_branch+0x1d2d40
015b 65b: 48 c1 ee 03 shr $0x3,%rsi
015f 65f: 41 89 f6 mov %esi,%r14d
0162 662: 83 e6 01 and $0x1,%esi
0165 665: 41 83 e6 01 and $0x1,%r14d
0169 669: e8 00 00 00 00 call 66e <intel_idle_ibrs+0x16e> 66a: R_X86_64_PLT32 ftrace_likely_update-0x4
016e 66e: 45 84 f6 test %r14b,%r14b
0171 671: 0f 85 63 ff ff ff jne 5da <intel_idle_ibrs+0xda>
0177 677: e9 e0 fe ff ff jmp 55c <intel_idle_ibrs+0x5c>
017c 67c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 67d: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0181 681: 45 31 ed xor %r13d,%r13d
0184 684: e8 00 00 00 00 call 689 <intel_idle_ibrs+0x189> 685: R_X86_64_PLT32 spec_ctrl_current-0x4
0189 689: 48 89 c3 mov %rax,%rbx
018c 68c: e9 a5 fe ff ff jmp 536 <intel_idle_ibrs+0x36>
0191 691: 48 89 ee mov %rbp,%rsi
0194 694: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 697: R_X86_64_32S .data+0x640b00
019b 69b: e8 00 00 00 00 call 6a0 <intel_idle_ibrs+0x1a0> 69c: R_X86_64_PLT32 __ubsan_handle_out_of_bounds-0x4
01a0 6a0: e9 a3 fe ff ff jmp 548 <intel_idle_ibrs+0x48>
01a5 6a5: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1)
01b0 6b0: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1)
01bb 6bb: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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