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Message-ID: <202309101454.a7QZ5Agq-lkp@intel.com>
Date: Sun, 10 Sep 2023 14:19:53 +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+0x17: call to
sched_smt_active() leaves .noinstr.text section
Hi Peter,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 535a265d7f0dd50d8c3a4f8b4f3a452d56bd160f
commit: 2b5a0e425e6e319b1978db1e9564f6af4228a567 objtool/idle: Validate __cpuidle code as noinstr
date: 8 months ago
config: x86_64-randconfig-103-20230910 (https://download.01.org/0day-ci/archive/20230910/202309101454.a7QZ5Agq-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/20230910/202309101454.a7QZ5Agq-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/202309101454.a7QZ5Agq-lkp@intel.com/
All warnings (new ones prefixed by >>):
vmlinux.o: warning: objtool: ibt_selftest+0x14: sibling call from callable instruction with modified stack frame
vmlinux.o: warning: objtool: default_idle+0x8: call to arch_safe_halt() leaves .noinstr.text section
vmlinux.o: warning: objtool: mwait_idle+0x9: call to current_set_polling_and_test() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_processor_ffh_cstate_enter+0x70: call to current_set_polling_and_test() leaves .noinstr.text section
vmlinux.o: warning: objtool: cpu_idle_poll.isra.0+0x54: call to test_ti_thread_flag.constprop.0() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle+0x7c: call to current_set_polling_and_test() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_s2idle+0xa1: call to fpu_idle_fpregs() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_xstate+0x16: call to fpu_idle_fpregs() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: intel_idle_ibrs+0x17: call to sched_smt_active() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_irq+0x9a: call to current_set_polling_and_test() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_safe_halt+0xc: call to test_ti_thread_flag.constprop.0() leaves .noinstr.text section
vmlinux.o: warning: objtool: io_idle+0x7: call to __inb.isra.0() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_idle_enter_s2idle+0x58: call to wbinvd() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_idle_enter+0x5e: call to wbinvd() leaves .noinstr.text section
vmlinux.o: warning: objtool: ibt_selftest+0x1e: return with modified stack frame
vmlinux.o: warning: objtool: recv_work.cold+0x0: relocation to !ENDBR: recv_work+0x34a
objdump-func vmlinux.o intel_idle_ibrs:
0000 00000000000005c0 <intel_idle_ibrs>:
0000 5c0: f3 0f 1e fa endbr64
0004 5c4: 55 push %rbp
0005 5c5: 48 89 e5 mov %rsp,%rbp
0008 5c8: 41 57 push %r15
000a 5ca: 49 89 f7 mov %rsi,%r15
000d 5cd: 41 56 push %r14
000f 5cf: 41 55 push %r13
0011 5d1: 41 54 push %r12
0013 5d3: 41 89 d4 mov %edx,%r12d
0016 5d6: 53 push %rbx
0017 5d7: e8 00 00 00 00 call 5dc <intel_idle_ibrs+0x1c> 5d8: R_X86_64_PC32 .text+0x19baebc
001c 5dc: 41 89 c5 mov %eax,%r13d
001f 5df: e8 00 00 00 00 call 5e4 <intel_idle_ibrs+0x24> 5e0: R_X86_64_PLT32 spec_ctrl_current-0x4
0024 5e4: 49 89 c6 mov %rax,%r14
0027 5e7: 45 84 ed test %r13b,%r13b
002a 5ea: 0f 85 a0 00 00 00 jne 690 <intel_idle_ibrs+0xd0>
0030 5f0: 49 63 dc movslq %r12d,%rbx
0033 5f3: 48 83 fb 0a cmp $0xa,%rbx
0037 5f7: 0f 87 9f 00 00 00 ja 69c <intel_idle_ibrs+0xdc>
003d 5fd: 48 8d 04 5b lea (%rbx,%rbx,2),%rax
0041 601: 48 8d 04 83 lea (%rbx,%rax,4),%rax
0045 605: 41 8b 5c c7 58 mov 0x58(%r15,%rax,8),%ebx
004a 60a: e9 00 00 00 00 jmp 60f <intel_idle_ibrs+0x4f> 60b: R_X86_64_PC32 .altinstr_aux+0x2432
004f 60f: e9 00 00 00 00 jmp 614 <intel_idle_ibrs+0x54> 610: R_X86_64_PC32 .altinstr_aux+0x2444
0054 614: 0f ae f0 mfence
0057 617: 48 8b 3c 25 00 00 00 00 mov 0x0,%rdi 61b: R_X86_64_32S pcpu_hot
005f 61f: e8 00 00 00 00 call 624 <intel_idle_ibrs+0x64> 620: R_X86_64_PC32 .text+0x19bae7c
0064 624: 0f ae f0 mfence
0067 627: 4c 8b 3c 25 00 00 00 00 mov 0x0,%r15 62b: R_X86_64_32S pcpu_hot
006f 62f: 4c 89 ff mov %r15,%rdi
0072 632: e8 00 00 00 00 call 637 <intel_idle_ibrs+0x77> 633: R_X86_64_PC32 .text+0x19baf7c
0077 637: 4c 89 ff mov %r15,%rdi
007a 63a: e8 00 00 00 00 call 63f <intel_idle_ibrs+0x7f> 63b: R_X86_64_PC32 .text+0x19bafbc
007f 63f: 85 c0 test %eax,%eax
0081 641: 75 0a jne 64d <intel_idle_ibrs+0x8d>
0083 643: c1 eb 18 shr $0x18,%ebx
0086 646: 89 df mov %ebx,%edi
0088 648: e8 00 00 00 00 call 64d <intel_idle_ibrs+0x8d> 649: R_X86_64_PC32 .text+0x19baefc
008d 64d: e8 00 00 00 00 call 652 <intel_idle_ibrs+0x92> 64e: R_X86_64_PC32 .text+0x19bb0fc
0092 652: 45 84 ed test %r13b,%r13b
0095 655: 75 22 jne 679 <intel_idle_ibrs+0xb9>
0097 657: 5b pop %rbx
0098 658: 44 89 e0 mov %r12d,%eax
009b 65b: 41 5c pop %r12
009d 65d: 41 5d pop %r13
009f 65f: 41 5e pop %r14
00a1 661: 41 5f pop %r15
00a3 663: 5d pop %rbp
00a4 664: c3 ret
00a5 665: cc int3
00a6 666: e8 00 00 00 00 call 66b <intel_idle_ibrs+0xab> 667: R_X86_64_PC32 .text+0x19bb07c
00ab 66b: 84 c0 test %al,%al
00ad 66d: 74 a0 je 60f <intel_idle_ibrs+0x4f>
00af 66f: e8 00 00 00 00 call 674 <intel_idle_ibrs+0xb4> 670: R_X86_64_PC32 .text+0x19bb0fc
00b4 674: 45 84 ed test %r13b,%r13b
00b7 677: 74 de je 657 <intel_idle_ibrs+0x97>
00b9 679: 4c 89 f7 mov %r14,%rdi
00bc 67c: e8 00 00 00 00 call 681 <intel_idle_ibrs+0xc1> 67d: R_X86_64_PC32 .text+0x19bb03c
00c1 681: 44 89 e0 mov %r12d,%eax
00c4 684: 5b pop %rbx
00c5 685: 41 5c pop %r12
00c7 687: 41 5d pop %r13
00c9 689: 41 5e pop %r14
00cb 68b: 41 5f pop %r15
00cd 68d: 5d pop %rbp
00ce 68e: c3 ret
00cf 68f: cc int3
00d0 690: 31 ff xor %edi,%edi
00d2 692: e8 00 00 00 00 call 697 <intel_idle_ibrs+0xd7> 693: R_X86_64_PC32 .text+0x19bb03c
00d7 697: e9 54 ff ff ff jmp 5f0 <intel_idle_ibrs+0x30>
00dc 69c: 48 89 de mov %rbx,%rsi
00df 69f: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 6a2: R_X86_64_32S .data+0xb6fd00
00e6 6a6: e8 00 00 00 00 call 6ab <intel_idle_ibrs+0xeb> 6a7: R_X86_64_PLT32 __ubsan_handle_out_of_bounds-0x4
00eb 6ab: e9 4d ff ff ff jmp 5fd <intel_idle_ibrs+0x3d>
00f0 6b0: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1)
00fb 6bb: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
--
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