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Date: Tue, 16 May 2023 03:26:25 +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
Hi Frederic,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: 3864caafe7c66f01b188ffccb6a4215f3bf56292 rcu/context-tracking: Remove rcu_irq_enter/exit()
date: 10 months ago
config: x86_64-randconfig-a012-20230515
compiler: gcc-11 (Debian 11.3.0-12) 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 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/202305160306.cLpGV3SI-lkp@intel.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+0x26: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: __wrgsbase_inactive+0x2b: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: fixup_bad_iret+0x7b: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: noist_exc_debug+0x41: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_nmi+0x36: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: poke_int3_handler+0x45: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_dynticks_eqs_enter+0x27: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit+0x28: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_eqs_exit.constprop.0+0x29: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_eqs_enter.constprop.0+0x43: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_idle_enter+0x27: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_idle_exit+0x2d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: rcu_nmi_enter+0x36: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_enter+0x4f: 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+0x5c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x61: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x5c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x5c: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_exit+0x2e: 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 00000000000039c0 <ct_irq_enter>:
0000 39c0: 55 push %rbp
0001 39c1: 8b 05 00 00 00 00 mov 0x0(%rip),%eax # 39c7 <ct_irq_enter+0x7> 39c3: R_X86_64_PC32 debug_locks-0x4
0007 39c7: 48 89 e5 mov %rsp,%rbp
000a 39ca: 85 c0 test %eax,%eax
000c 39cc: 74 0b je 39d9 <ct_irq_enter+0x19>
000e 39ce: 65 8b 05 00 00 00 00 mov %gs:0x0(%rip),%eax # 39d5 <ct_irq_enter+0x15> 39d1: R_X86_64_PC32 lockdep_recursion-0x4
0015 39d5: 85 c0 test %eax,%eax
0017 39d7: 74 2c je 3a05 <ct_irq_enter+0x45>
0019 39d9: 31 f6 xor %esi,%esi
001b 39db: 31 c9 xor %ecx,%ecx
001d 39dd: 31 d2 xor %edx,%edx
001f 39df: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 39e2: R_X86_64_32S _ftrace_annotated_branch+0x51600
0026 39e6: e8 00 00 00 00 call 39eb <ct_irq_enter+0x2b> 39e7: R_X86_64_PLT32 ftrace_likely_update-0x4
002b 39eb: 31 f6 xor %esi,%esi
002d 39ed: 31 c9 xor %ecx,%ecx
002f 39ef: 31 d2 xor %edx,%edx
0031 39f1: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 39f4: R_X86_64_32S _ftrace_annotated_branch+0x515d0
0038 39f8: e8 00 00 00 00 call 39fd <ct_irq_enter+0x3d> 39f9: R_X86_64_PLT32 ftrace_likely_update-0x4
003d 39fd: e8 00 00 00 00 call 3a02 <ct_irq_enter+0x42> 39fe: R_X86_64_PLT32 ct_nmi_enter-0x4
0042 3a02: 5d pop %rbp
0043 3a03: c3 ret
0044 3a04: cc int3
0045 3a05: 65 8b 05 00 00 00 00 mov %gs:0x0(%rip),%eax # 3a0c <ct_irq_enter+0x4c> 3a08: R_X86_64_PC32 hardirqs_enabled-0x4
004c 3a0c: 85 c0 test %eax,%eax
004e 3a0e: 74 c9 je 39d9 <ct_irq_enter+0x19>
0050 3a10: 31 c9 xor %ecx,%ecx
0052 3a12: 31 d2 xor %edx,%edx
0054 3a14: be 01 00 00 00 mov $0x1,%esi
0059 3a19: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 3a1c: R_X86_64_32S _ftrace_annotated_branch+0x51600
0060 3a20: e8 00 00 00 00 call 3a25 <ct_irq_enter+0x65> 3a21: R_X86_64_PLT32 ftrace_likely_update-0x4
0065 3a25: 90 nop
0066 3a26: 0f 0b ud2
0068 3a28: 90 nop
0069 3a29: be 01 00 00 00 mov $0x1,%esi
006e 3a2e: eb bd jmp 39ed <ct_irq_enter+0x2d>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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