CC: linux-kernel(a)vger.kernel.org
CC: x86(a)kernel.org
TO: Tom Lendacky <thomas.lendacky(a)amd.com>
CC: Borislav Petkov <bp(a)suse.de>
CC: Joerg Roedel <jroedel(a)suse.de>
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/seves
head: f5ed777586e08e09c4b6f1e87161a145ee1431cf
commit: 0786138c78e79343c7b015d77507cbf9d5f15d00 [48/74] x86/sev-es: Add a Runtime #VC
Exception Handler
config: x86_64-randconfig-a004-20200911 (attached as .config)
compiler: clang version 12.0.0 (
https://github.com/llvm/llvm-project
0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9)
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
git checkout 0786138c78e79343c7b015d77507cbf9d5f15d00
# 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(a)intel.com>
All warnings (new ones prefixed by >>):
> arch/x86/kernel/sev-es.o: warning: objtool:
safe_stack_exc_vmm_communication()+0x209: unreachable instruction
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org