tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/entry
head:   c52f46f16c0d414c7a2653042aacaa8a6f459c84
commit: d31cbeef2229d1b172be7b53e8805e095e77fbfb [131/140] x86/entry: Convert various hypervisor vectors to IDTENTRY_SYSVEC
config: x86_64-randconfig-e003-20200503 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        git checkout d31cbeef2229d1b172be7b53e8805e095e77fbfb
        # 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 warnings (new ones prefixed by >>):

>> arch/x86/kernel/cpu/acrn.o: warning: objtool: irqst_sysvec_acrn_hv_callback()+0x1e: undefined stack state

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