In-Reply-To: <20201217093133.1507-6-jgross(a)suse.com&gt; References: <20201217093133.1507-6-jgross(a)suse.com&gt; TO: Juergen Gross <jgross(a)suse.com&gt; TO: xen-devel(a)lists.xenproject.org TO: x86(a)kernel.org TO: linux-kernel(a)vger.kernel.org TO: virtualization(a)lists.linux-foundation.org CC: Juergen Gross <jgross(a)suse.com&gt; CC: Thomas Gleixner <tglx(a)linutronix.de&gt; CC: Ingo Molnar <mingo(a)redhat.com&gt; CC: Borislav Petkov <bp(a)alien8.de&gt; CC: "H. Peter Anvin" <hpa(a)zytor.com&gt; CC: Deep Shah <sdeep(a)vmware.com&gt; Hi Juergen, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.10 next-20201217] [cannot apply to xen-tip/linux-next tip/x86/core tip/x86/asm] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Juergen-Gross/x86-major-paravirt... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git accefff5b547a9a1d959c7e76ad539bf2480e78b config: x86_64-randconfig-a015-20201217 (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://github.com/0day-ci/linux/commit/ee959c3c749cdcb198ed369466955493e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Juergen-Gross/x86-major-paravirt-cleanup/20201217-173646 git checkout ee959c3c749cdcb198ed369466955493eb8dfbaf # 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&gt; All warnings (new ones prefixed by >>): -- --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org