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Date: Tue, 27 Dec 2022 07:08:38 +0800
From: kernel test robot <lkp@...el.com>
To: Frederic Weisbecker <frederic@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
"Paul E. McKenney" <paulmck@...nel.org>,
Nicolas Saenz Julienne <nsaenzju@...hat.com>
Subject: vmlinux.o: warning: objtool: ct_idle_exit+0x32: call to
ftrace_likely_update() leaves .noinstr.text section
Hi Frederic,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1b929c02afd37871d5afb9d498426f83432e71c2
commit: c33ef43a359001415032665dfcd433979c462b71 rcu/context-tracking: Remove unused and/or unecessary middle functions
date: 6 months ago
config: x86_64-randconfig-a015-20221226
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=c33ef43a359001415032665dfcd433979c462b71
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c33ef43a359001415032665dfcd433979c462b71
# 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>
All warnings (new ones prefixed by >>):
ld: warning: arch/x86/power/hibernate_asm_64.o: missing .note.GNU-stack section implies executable stack
ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
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+0x76: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: noist_exc_debug+0x40: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_nmi+0x35: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: poke_int3_handler+0x42: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: mce_check_crashing_cpu+0x32: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: mce_start+0x73: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: do_machine_check+0x53: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_machine_check+0x70: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_enter+0x4c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_exit+0x50: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: enter_from_user_mode+0x5b: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x60: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x5b: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x5b: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_exit+0x2d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_dynticks_eqs_enter+0x31: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit+0x2e: 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: rcu_eqs_exit+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: ct_idle_exit+0x32: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_eqs_enter+0x48: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: ct_idle_enter+0x2a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: __ct_user_enter+0x41: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: ct_nmi_enter+0x41: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_irq_enter+0x38: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: ct_irq_exit+0x38: call to ftrace_likely_update() leaves .noinstr.text section
objdump-func vmlinux.o ct_idle_exit:
0000 0000000000005fc0 <ct_idle_exit>:
0000 5fc0: f3 0f 1e fa endbr64
0004 5fc4: 55 push %rbp
0005 5fc5: 53 push %rbx
0006 5fc6: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5fc7: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
000b 5fcb: 9c pushf
000c 5fcc: 5d pop %rbp
000d 5fcd: fa cli
000e 5fce: 31 ff xor %edi,%edi
0010 5fd0: e8 ab fd ff ff call 5d80 <rcu_eqs_exit>
0015 5fd5: 9c pushf
0016 5fd6: 58 pop %rax
0017 5fd7: 25 00 02 00 00 and $0x200,%eax
001c 5fdc: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 5fdf: R_X86_64_32S _ftrace_annotated_branch+0x57ab0
0023 5fe3: 40 0f 95 c6 setne %sil
0027 5fe7: 48 89 c3 mov %rax,%rbx
002a 5fea: 31 c9 xor %ecx,%ecx
002c 5fec: 31 d2 xor %edx,%edx
002e 5fee: 40 0f b6 f6 movzbl %sil,%esi
0032 5ff2: e8 00 00 00 00 call 5ff7 <ct_idle_exit+0x37> 5ff3: R_X86_64_PLT32 ftrace_likely_update-0x4
0037 5ff7: 48 85 db test %rbx,%rbx
003a 5ffa: 75 1a jne 6016 <ct_idle_exit+0x56>
003c 5ffc: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 5ffd: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0041 6001: f7 c5 00 02 00 00 test $0x200,%ebp
0047 6007: 74 06 je 600f <ct_idle_exit+0x4f>
0049 6009: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 600a: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
004e 600e: fb sti
004f 600f: 5b pop %rbx
0050 6010: 5d pop %rbp
0051 6011: c3 ret
0052 6012: cc int3 6012: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
0053 6013: 0f 1f 00 nopl (%rax)
0056 6016: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 6017: R_X86_64_NONE __sanitizer_cov_trace_pc-0x4
005b 601b: e8 00 00 00 00 call 6020 <ct_idle_exit+0x60> 601c: R_X86_64_PLT32 warn_bogus_irq_restore-0x4
0060 6020: eb da jmp 5ffc <ct_idle_exit+0x3c>
0062 6022: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1)
006d 602d: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1)
0078 6038: 0f 1f 84 00 00 00 00 00 nopl 0x0(%rax,%rax,1)
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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