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Message-ID: <202211151131.LoCnoyfJ-lkp@intel.com>
Date: Tue, 15 Nov 2022 11:05:06 +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_irq_enter+0x26: call to
ftrace_likely_update() leaves .noinstr.text section
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e01d50cbd6eece456843717a566a34e8b926cf0c
commit: 3864caafe7c66f01b188ffccb6a4215f3bf56292 rcu/context-tracking: Remove rcu_irq_enter/exit()
date: 4 months ago
config: x86_64-randconfig-a004-20221114
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=3864caafe7c66f01b188ffccb6a4215f3bf56292
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 3864caafe7c66f01b188ffccb6a4215f3bf56292
# save the config file
mkdir build_dir && cp config build_dir/.config
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+0x2c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: mce_start+0x68: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: do_machine_check+0x4e: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_machine_check+0x4e: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_dynticks_eqs_enter+0x21: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit+0x1f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_eqs_exit+0x28: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_eqs_enter+0x42: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_idle_enter+0x25: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_user_enter+0x26: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_nmi_enter+0x35: 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+0x47: 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: context_tracking_recursion_enter+0x2a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: __ct_user_enter+0x30: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: ct_irq_enter+0x26: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: ct_irq_exit+0x26: call to ftrace_likely_update() leaves .noinstr.text section
objdump-func vmlinux.o ct_irq_enter:
0000 00000000000051e0 <ct_irq_enter>:
0000 51e0: f3 0f 1e fa endbr64
0004 51e4: 8b 05 00 00 00 00 mov 0x0(%rip),%eax # 51ea <ct_irq_enter+0xa> 51e6: R_X86_64_PC32 debug_locks-0x4
000a 51ea: 85 c0 test %eax,%eax
000c 51ec: 74 0b je 51f9 <ct_irq_enter+0x19>
000e 51ee: 65 8b 05 00 00 00 00 mov %gs:0x0(%rip),%eax # 51f5 <ct_irq_enter+0x15> 51f1: R_X86_64_PC32 lockdep_recursion-0x4
0015 51f5: 85 c0 test %eax,%eax
0017 51f7: 74 26 je 521f <ct_irq_enter+0x3f>
0019 51f9: 31 f6 xor %esi,%esi
001b 51fb: 31 c9 xor %ecx,%ecx
001d 51fd: 31 d2 xor %edx,%edx
001f 51ff: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 5202: R_X86_64_32S _ftrace_annotated_branch+0x5e260
0026 5206: e8 00 00 00 00 call 520b <ct_irq_enter+0x2b> 5207: R_X86_64_PLT32 ftrace_likely_update-0x4
002b 520b: 31 f6 xor %esi,%esi
002d 520d: 31 c9 xor %ecx,%ecx
002f 520f: 31 d2 xor %edx,%edx
0031 5211: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 5214: R_X86_64_32S _ftrace_annotated_branch+0x5e230
0038 5218: e8 00 00 00 00 call 521d <ct_irq_enter+0x3d> 5219: R_X86_64_PLT32 ftrace_likely_update-0x4
003d 521d: eb b1 jmp 51d0 <ct_nmi_enter>
003f 521f: 65 8b 05 00 00 00 00 mov %gs:0x0(%rip),%eax # 5226 <ct_irq_enter+0x46> 5222: R_X86_64_PC32 hardirqs_enabled-0x4
0046 5226: 85 c0 test %eax,%eax
0048 5228: 74 cf je 51f9 <ct_irq_enter+0x19>
004a 522a: 31 c9 xor %ecx,%ecx
004c 522c: 31 d2 xor %edx,%edx
004e 522e: be 01 00 00 00 mov $0x1,%esi
0053 5233: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 5236: R_X86_64_32S _ftrace_annotated_branch+0x5e260
005a 523a: e8 00 00 00 00 call 523f <ct_irq_enter+0x5f> 523b: R_X86_64_PLT32 ftrace_likely_update-0x4
005f 523f: 90 nop
0060 5240: 0f 0b ud2
0062 5242: 90 nop
0063 5243: be 01 00 00 00 mov $0x1,%esi
0068 5248: eb c3 jmp 520d <ct_irq_enter+0x2d>
006a 524a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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