tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 59fa6a163ffabc1bf25c5e0e33899e268a96d3cc commit: c22b0bcb1dd024cb9caad9230e3a387d8b061df5 [3526/6048] riscv: Add kprobes supported config: riscv-randconfig-s031-20210204 (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 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: v0.6.3-215-g0fb77bb6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c22b0bcb1dd024cb9caad9230e3a387d8b061df5 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout c22b0bcb1dd024cb9caad9230e3a387d8b061df5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> arch/riscv/kernel/probes/decode-insn.c:19:31: sparse: sparse: cast to restricted __le32 -- >> arch/riscv/kernel/probes/kprobes.c:60:21: sparse: sparse: cast to restricted __le32 vim +19 arch/riscv/kernel/probes/decode-insn.c 11 12 /* Return: 13 * INSN_REJECTED If instruction is one not allowed to kprobe, 14 * INSN_GOOD_NO_SLOT If instruction is supported but doesn't use its slot. 15 */ 16 enum probe_insn __kprobes 17 riscv_probe_decode_insn(probe_opcode_t *addr, struct arch_probe_insn *api) 18 { > 19 probe_opcode_t insn = le32_to_cpu(*addr); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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