Hi Guillaume,

First bad commit (maybe != root cause):

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-android-linux-5.10.y
head:   081995fe4bf8422a3f4a2c2757c1f8baddfe3824
commit: 18e4a2828d83b659f35e0f85703c480f50bb4ea2 [26948/27030] Merge remote-tracking branch 'git-ti-com/ti-linux-5.10.y' into HEAD
config: i386-randconfig-a002
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
        git fetch --no-tags ti ti-android-linux-5.10.y
        git checkout 18e4a2828d83b659f35e0f85703c480f50bb4ea2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/x86/entry/entry.S:10:1: warning: DWARF2 only supports one section per compilation unit
   .pushsection .noinstr.text, "ax"
   ^
--
>> arch/x86/entry/entry_32.S:52:2: warning: DWARF2 only supports one section per compilation unit
    .section .entry.text, "ax"
    ^
>> <instantiation>:11:2: warning: DWARF2 only supports one section per compilation unit
    .pushsection .altinstr_replacement,"ax"
    ^
   <instantiation>:2:2: note: while in macro instantiation
    ALTERNATIVE "", ".byte 0x0f,0x01,0xca", ( 9*32+20)
    ^
   arch/x86/include/asm/idtentry.h:549:1: note: while in macro instantiation
   idtentry 0 asm_exc_divide_error exc_divide_error has_error_code=0;
   ^
   arch/x86/entry/entry_32.S:1008:1: warning: DWARF2 only supports one section per compilation unit
   .pushsection .fixup, "ax"
   ^
--
>> arch/x86/kvm/vmx/vmenter.S:32:1: warning: DWARF2 only supports one section per compilation unit
   .section .noinstr.text, "ax"
   ^
   <instantiation>:13:2: warning: DWARF2 only supports one section per compilation unit
    .pushsection .altinstr_replacement,"ax"
    ^
   <instantiation>:1:1: note: while in macro instantiation
   ALTERNATIVE_2 "jmp .Lskip_rsb_4", ".rept 32; ; call 772f; int3; 772:; .endr; add $(32/8) * 32, %esp;", ( 7*32+13), "; call 772f; int3; 772: add $(32/8), %esp; lfence;", (11*32+17)
   ^
   arch/x86/kvm/vmx/vmenter.S:204:2: note: while in macro instantiation
    FILL_RETURN_BUFFER %ecx, 32, ( 7*32+13), (11*32+17)
    ^
--
>> arch/x86/platform/pvh/head.S:21:2: warning: DWARF2 only supports one section per compilation unit
    .section ".head.text","ax"
    ^
--
>> arch/x86/kernel/head_32.S:67:1: warning: DWARF2 only supports one section per compilation unit
   .section ".head.text","ax"
   ^
   arch/x86/kernel/head_32.S:341:1: warning: DWARF2 only supports one section per compilation unit
   .section ".init.text","ax"
   ^
--
>> <instantiation>:11:2: warning: DWARF2 only supports one section per compilation unit
    .pushsection .altinstr_replacement,"ax"
    ^
   arch/x86/entry/vdso/vdso32/system_call.S:60:2: note: while in macro instantiation
    ALTERNATIVE "", "movl %esp, %ebp; sysenter", ( 0*32+11)
    ^

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ARCH_HAS_NONLEAF_PMD_YOUNG
   Depends on [n]: PGTABLE_LEVELS [=2]>2
   Selected by [y]:
   - X86 [=y]


vim +10 arch/x86/entry/entry.S

c8845b875437b8 Peter Zijlstra 2022-06-14   9  
c8845b875437b8 Peter Zijlstra 2022-06-14 @10  .pushsection .noinstr.text, "ax"
c8845b875437b8 Peter Zijlstra 2022-06-14  11  

:::::: The code at line 10 was first introduced by commit
:::::: c8845b875437b8ea9cd023f15b44c436c9c5b62d x86/bugs: Add retbleed=ibpb

:::::: TO: Peter Zijlstra <peterz@infradead.org>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp