[yyu168-linux_cet:cet 30/47] arch/x86/include/asm/fpu/internal.h:483:19: error: 'save_cet_to_sigframe' declared 'static' but never defined

[yyu168-linux_cet:cet 30/47] arch/x86/include/asm/fpu/internal.h:483:19: error: 'save_cet_to_sigframe' declared 'static' but never defined

[kbuild test robot]

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tree:   https://github.com/yyu168/linux_cet.git cet
head:   80138cab012f983a4395ac70e3804739eaff02eb
commit: 0087ee9f497dcb2ae98a00a0b6c95994848c9943 [30/47] x86/cet/shstk: Handle signals for shadow stack
config: x86_64-rhel (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        git checkout 0087ee9f497dcb2ae98a00a0b6c95994848c9943
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   In file included from arch/x86/kvm/x86.c:66:0:
   arch/x86/include/asm/fpu/internal.h:485:1: error: expected identifier or '(' before '{' token
    {
    ^
>> arch/x86/include/asm/fpu/internal.h:483:19: error: 'save_cet_to_sigframe' declared 'static' but never defined [-Werror=unused-function]
    static inline int save_cet_to_sigframe(int ia32, void __user *fp,
                      ^~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +483 arch/x86/include/asm/fpu/internal.h

   478	
   479	#ifdef CONFIG_X86_INTEL_CET
   480	extern int save_cet_to_sigframe(int ia32, void __user *fp,
   481					unsigned long restorer);
   482	#else
 > 483	static inline int save_cet_to_sigframe(int ia32, void __user *fp,
   484					unsigned long restorer);
   485	{
   486		return 0;
   487	}
   488	#endif
   489	extern int copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size);
   490	

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

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