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Subjectarch/x86/mm/fault.o: warning: objtool: do_page_fault()+0x4fb: unreachable instruction
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9f65ed5fe41ce08ed1cb1f6a950f9ec694c142ad
commit: ee6352b2c47a24234398e06381edd93a8e965976 x86/context-tracking: Remove exception_enter/exit() from do_page_fault()
date: 8 weeks ago
config: x86_64-randconfig-a002-20200306 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
git checkout ee6352b2c47a24234398e06381edd93a8e965976
# save the attached .config to linux build tree
make ARCH=x86_64

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

All warnings (new ones prefixed by >>):

>> arch/x86/mm/fault.o: warning: objtool: do_page_fault()+0x4fb: unreachable instruction

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