Messages in this thread | | | Date | Thu, 12 May 2022 09:29:27 +0800 | From | kernel test robot <> | Subject | [pdx86-platform-drivers-x86:review-hans 46/59] kernel/stop_machine.c:638:35: error: call to undeclared function 'cpu_smt_mask'; ISO C99 and later do not support implicit function declarations |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git review-hans head: 57709a27d9744f5af4bbeec3ba3105c6aa1075eb commit: 104355bf96bb985c40f8f8da43f70b935d59fb61 [46/59] stop_machine: Add stop_core_cpuslocked() for per-core operations config: hexagon-randconfig-r045-20220509 (https://download.01.org/0day-ci/archive/20220512/202205120904.Gr9HEY5E-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 18dd123c56754edf62c7042dcf23185c3727610f) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?id=104355bf96bb985c40f8f8da43f70b935d59fb61 git remote add pdx86-platform-drivers-x86 https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git git fetch --no-tags pdx86-platform-drivers-x86 review-hans git checkout 104355bf96bb985c40f8f8da43f70b935d59fb61 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>):
>> kernel/stop_machine.c:638:35: error: call to undeclared function 'cpu_smt_mask'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] const struct cpumask *smt_mask = cpu_smt_mask(cpu); ^ kernel/stop_machine.c:638:35: note: did you mean 'cpu_cpu_mask'? include/linux/topology.h:250:37: note: 'cpu_cpu_mask' declared here static inline const struct cpumask *cpu_cpu_mask(int cpu) ^ >> kernel/stop_machine.c:638:24: warning: incompatible integer to pointer conversion initializing 'const struct cpumask *' with an expression of type 'int' [-Wint-conversion] const struct cpumask *smt_mask = cpu_smt_mask(cpu); ^ ~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated.
vim +/cpu_smt_mask +638 kernel/stop_machine.c
635 636 int stop_core_cpuslocked(unsigned int cpu, cpu_stop_fn_t fn, void *data) 637 { > 638 const struct cpumask *smt_mask = cpu_smt_mask(cpu); 639 640 struct multi_stop_data msdata = { 641 .fn = fn, 642 .data = data, 643 .num_threads = cpumask_weight(smt_mask), 644 .active_cpus = smt_mask, 645 }; 646 647 lockdep_assert_cpus_held(); 648 649 /* Set the initial state and stop all online cpus. */ 650 set_state(&msdata, MULTI_STOP_PREPARE); 651 return stop_cpus(smt_mask, multi_cpu_stop, &msdata); 652 } 653 EXPORT_SYMBOL_GPL(stop_core_cpuslocked); 654
-- 0-DAY CI Kernel Test Service https://01.org/lkp
| |