On Tue, 2024-05-14 at 14:05 +0800, kernel test robot wrote: > tree: > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git m > aster > head: 6ba6c795dc73c22ce2c86006f17c4aa802db2a60 > commit: 9d1d36268f3d8276aefd1fad4e0a415dc8c36edd [8353/12793] > platform/x86: ISST: Support partitioned systems > config: x86_64-randconfig-101-20240514 > (https://download.01.org/0day-ci/archive/20240514/202405141321.RQmski > Tj-lkp@xxxxxxxxx/config) > compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 > reproduce (this is a W=1 build): > (https://download.01.org/0day-ci/archive/20240514/202405141321.RQmski > Tj-lkp@xxxxxxxxx/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new > version of > the same patch/commit), kindly add following tags > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > Closes: > > https://lore.kernel.org/oe-kbuild-all/202405141321.RQmskiTj-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > > > drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.o: > > > warning: objtool: map_partition_power_domain_id() falls through > > > to next function get_instance() > Not able to reproduce on two gcc versions on Fedora and Ubuntu distribution. gcc --version gcc (GCC) 13.2.1 20240316 (Red Hat 13.2.1-7) gcc --version gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0 The documentation for this error: https://elixir.bootlin.com/linux/latest/source/tools/objtool/Documentation/objtool.txt " 8. file.o: warning: objtool: funcA() falls through to next function funcB() This means that funcA() doesn't end with a return instruction or an unconditional jump, and that objtool has determined that the function can fall through into the next function. " This function ends with " return -EINVAL;" Also the three reasons in the documentation is also not met. make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash make[1]: Entering directory '/home/spandruv/development/linux- next/build_dir' GEN Makefile CALL ../scripts/checksyscalls.sh DESCEND objtool INSTALL libsubcmd_headers DESCEND bpf/resolve_btfids INSTALL libsubcmd_headers CHK kernel/kheaders_data.tar.xz CC [M] drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.o MODPOST Module.symvers ... TEST posttest arch/x86/tools/insn_decoder_test: success: Decoded and checked 8715543 instructions TEST posttest arch/x86/tools/insn_sanity: Success: decoded and checked 1000000 random instructions with 0 errors (seed:0x5e80fa20) Kernel: arch/x86/boot/bzImage is ready (#1) LD [M] drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.ko BTF [M] drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.ko .. make[1]: Leaving directory '/home/spandruv/development/linux- next/build_dir' Thanks, Srinivas
