[jpoimboe:tmp 16/17] arch/x86/entry/entry_64.S:1092: Error: junk at end of line, first unrecognized character is `('

[jpoimboe:tmp 16/17] arch/x86/entry/entry_64.S:1092: Error: junk at end of line, first unrecognized character is `('

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git tmp
head:   79ff2c1ee2b812a0868697a3cd6ba9b8dd184f64
commit: 78714dac46020c12c3ee424c6f4d8631acfa128a [16/17] x86/paravirt: switch functions with custom code to ALTERNATIVE
config: x86_64-randconfig-a016-20201221 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git/commit/?id=78714dac46020c12c3ee424c6f4d8631acfa128a
        git remote add jpoimboe https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git
        git fetch --no-tags jpoimboe tmp
        git checkout 78714dac46020c12c3ee424c6f4d8631acfa128a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All error/warnings (new ones prefixed by >>):

   arch/x86/entry/entry_64.S: Assembler messages:
>> arch/x86/entry/entry_64.S:1092: Error: junk at end of line, first unrecognized character is `('
>> arch/x86/entry/entry_64.S:1092: Error: junk at end of line, first unrecognized character is `,'
>> arch/x86/entry/entry_64.S:1092: Warning: missing closing '"'
>> arch/x86/entry/entry_64.S:1092: Error: expecting mnemonic; got nothing
>> arch/x86/entry/entry_64.S:1092: Error: can't resolve `.entry.text' {.entry.text section} - `.L771\x021' {.text section}
   clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)


vim +1092 arch/x86/entry/entry_64.S

ddeb8f2149de280 arch/x86/kernel/entry_64.S Alexander van Heukelum 2008-11-24  1089  
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1090  SYM_CODE_START_LOCAL(error_return)
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1091  	UNWIND_HINT_REGS
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26 @1092  	DEBUG_ENTRY_ASSERT_IRQS_OFF
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1093  	testb	$3, CS(%rsp)
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1094  	jz	restore_regs_and_return_to_kernel
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1095  	jmp	swapgs_restore_regs_and_return_to_usermode
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1096  SYM_CODE_END(error_return)
424c7d0a9a396ba arch/x86/entry/entry_64.S  Thomas Gleixner        2020-03-26  1097  

:::::: The code at line 1092 was first introduced by commit
:::::: 424c7d0a9a396ba93815b8861033e62791622cc3 x86/entry/64: Provide sane error entry/exit

:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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