tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4c388a8e740d3235a194f330c8ef327deef710f6 commit: 0a86512dc113e4de6550d49f276142009231c846 RISC-V: KVM: Factor-out FP virtualization into separate sources date: 3 weeks ago config: riscv-randconfig-s031-20211116 (attached as .config) compiler: riscv32-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0a86512dc113e4de6550d49f276142009231c846 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +/kvm_riscv_vcpu_fp_clean +29 arch/riscv/kvm/vcpu_fp.c 28 30 { 31 cntx->sstatus &= ~SR_FS; 32 cntx->sstatus |= SR_FS_CLEAN; 33 } 34 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org