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Message-ID: <202302070512.rKWJ7hb1-lkp@intel.com>
Date: Tue, 7 Feb 2023 05:09:08 +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,
x86@...nel.org, Ingo Molnar <mingo@...nel.org>
Subject: [tip:sched/core 8/10] vmlinux.o: warning: objtool:
native_sched_clock+0x7d: call to ftrace_likely_update() leaves .noinstr.text
section
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
head: 4d627628d7584f3d3add1d53342d0f01aa878e04
commit: 8739c6811572b087decd561f96382087402cc343 [8/10] sched/clock/x86: Mark sched_clock() noinstr
config: x86_64-randconfig-c022 (https://download.01.org/0day-ci/archive/20230207/202302070512.rKWJ7hb1-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/tip/tip.git/commit/?id=8739c6811572b087decd561f96382087402cc343
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip sched/core
git checkout 8739c6811572b087decd561f96382087402cc343
# 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 >>):
vmlinux.o: warning: objtool: __asan_memset+0x53: call to __memset() with UACCESS enabled
vmlinux.o: warning: objtool: __asan_memmove+0x7f: call to __memmove() with UACCESS enabled
vmlinux.o: warning: objtool: __asan_memcpy+0x7f: call to __memcpy() with UACCESS enabled
vmlinux.o: warning: objtool: __wrgsbase_inactive+0x36: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: __rdgsbase_inactive+0x32: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: fixup_bad_iret+0x75: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: noist_exc_debug+0x3d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_nmi+0xbc: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: poke_int3_handler+0x34: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: native_sched_clock+0x7d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: mce_check_crashing_cpu+0xd: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: do_machine_check+0x4d: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_machine_check+0x52: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: pvclock_clocksource_read_nowd+0xb2: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_enter+0x49: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_nmi_exit+0x8e: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: enter_from_user_mode+0x3a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x3f: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x3a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x3a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_exit+0x3e: 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+0x45: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_s2idle+0x63: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_xstate+0x5e: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_irq+0x5a: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle+0x59: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: intel_idle_ibrs+0x12: call to sched_smt_active() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_idle_enter_s2idle+0x53: call to ftrace_likely_update() leaves .noinstr.text section
vmlinux.o: warning: objtool: acpi_idle_enter+0x4c: call to ftrace_likely_update() leaves .noinstr.text section
objdump-func vmlinux.o native_sched_clock:
0000 000000000000158f <native_sched_clock>:
0000 158f: f3 0f 1e fa endbr64
0004 1593: e9 de 00 00 00 jmp 1676 <native_sched_clock+0xe7>
0009 1598: 55 push %rbp
000a 1599: 48 89 e5 mov %rsp,%rbp
000d 159c: 41 57 push %r15
000f 159e: 41 56 push %r14
0011 15a0: 41 55 push %r13
0013 15a2: 41 54 push %r12
0015 15a4: 53 push %rbx
0016 15a5: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp
001a 15a9: 48 83 ec 20 sub $0x20,%rsp
001e 15ad: 0f 31 rdtsc
0020 15af: 48 c1 e2 20 shl $0x20,%rdx
0024 15b3: 48 09 c2 or %rax,%rdx
0027 15b6: 48 89 54 24 08 mov %rdx,0x8(%rsp)
002c 15bb: ff 05 00 00 00 00 incl 0x0(%rip) # 15c1 <native_sched_clock+0x32> 15bd: R_X86_64_PC32 pcpu_hot+0x4
0032 15c1: 44 8b 3d 00 00 00 00 mov 0x0(%rip),%r15d # 15c8 <native_sched_clock+0x39> 15c4: R_X86_64_PC32 cyc2ns+0x1c
0039 15c8: 44 89 f8 mov %r15d,%eax
003c 15cb: 83 e0 01 and $0x1,%eax
003f 15ce: 48 89 c2 mov %rax,%rdx
0042 15d1: 48 c1 e2 04 shl $0x4,%rdx
0046 15d5: 48 8b 9a 00 00 00 00 mov 0x0(%rdx),%rbx 15d8: R_X86_64_32S cyc2ns+0x8
004d 15dc: 48 89 c2 mov %rax,%rdx
0050 15df: 48 c1 e2 04 shl $0x4,%rdx
0054 15e3: 44 8b a2 00 00 00 00 mov 0x0(%rdx),%r12d 15e6: R_X86_64_32S cyc2ns
005b 15ea: 44 8b b2 00 00 00 00 mov 0x0(%rdx),%r14d 15ed: R_X86_64_32S cyc2ns+0x4
0062 15f1: 44 8b 2d 00 00 00 00 mov 0x0(%rip),%r13d # 15f8 <native_sched_clock+0x69> 15f4: R_X86_64_PC32 cyc2ns+0x1c
0069 15f8: 31 f6 xor %esi,%esi
006b 15fa: 45 39 ef cmp %r13d,%r15d
006e 15fd: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 1600: R_X86_64_32S _ftrace_annotated_branch+0x8c40
0075 1604: 40 0f 95 c6 setne %sil
0079 1608: 31 c9 xor %ecx,%ecx
007b 160a: 31 d2 xor %edx,%edx
007d 160c: e8 00 00 00 00 call 1611 <native_sched_clock+0x82> 160d: R_X86_64_PLT32 ftrace_likely_update-0x4
0082 1611: 45 39 ef cmp %r13d,%r15d
0085 1614: 75 ab jne 15c1 <native_sched_clock+0x32>
0087 1616: 48 8b 44 24 08 mov 0x8(%rsp),%rax
008c 161b: 45 89 e4 mov %r12d,%r12d
008f 161e: 49 f7 e4 mul %r12
0092 1621: 49 89 c4 mov %rax,%r12
0095 1624: 49 89 d5 mov %rdx,%r13
0098 1627: 41 83 fe 7f cmp $0x7f,%r14d
009c 162b: 76 1e jbe 164b <native_sched_clock+0xbc>
009e 162d: 48 89 54 24 18 mov %rdx,0x18(%rsp)
00a3 1632: 48 8d 74 24 10 lea 0x10(%rsp),%rsi
00a8 1637: 44 89 f2 mov %r14d,%edx
00ab 163a: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 163d: R_X86_64_32S .data+0xb1880
00b2 1641: 48 89 44 24 10 mov %rax,0x10(%rsp)
00b7 1646: e8 00 00 00 00 call 164b <native_sched_clock+0xbc> 1647: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4
00bc 164b: 44 89 f1 mov %r14d,%ecx
00bf 164e: 4d 0f ad ec shrd %cl,%r13,%r12
00c3 1652: 49 d3 ed shr %cl,%r13
00c6 1655: 41 f6 c6 40 test $0x40,%r14b
00ca 1659: 4d 0f 45 e5 cmovne %r13,%r12
00ce 165d: 4a 8d 04 23 lea (%rbx,%r12,1),%rax
00d2 1661: ff 0d 00 00 00 00 decl 0x0(%rip) # 1667 <native_sched_clock+0xd8> 1663: R_X86_64_PC32 pcpu_hot+0x4
00d8 1667: 48 8d 65 d8 lea -0x28(%rbp),%rsp
00dc 166b: 5b pop %rbx
00dd 166c: 41 5c pop %r12
00df 166e: 41 5d pop %r13
00e1 1670: 41 5e pop %r14
00e3 1672: 41 5f pop %r15
00e5 1674: 5d pop %rbp
00e6 1675: c3 ret
00e7 1676: 48 69 05 00 00 00 00 d5 dc 32 00 imul $0x32dcd5,0x0(%rip),%rax # 1681 <native_sched_clock+0xf2> 1679: R_X86_64_PC32 jiffies_64-0x8
00f2 1681: 48 ba d0 42 64 d9 70 23 cd ff movabs $0xffcd2370d96442d0,%rdx
00fc 168b: 48 01 d0 add %rdx,%rax
00ff 168e: c3 ret
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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