Hi Sourabh, kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20240508] [cannot apply to powerpc/next powerpc/fixes linus/master v6.9-rc7 v6.9-rc6 v6.9-rc5 v6.9-rc7] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Sourabh-Jain/powerpc-kexec_file-fix-extra-size-calculation-for-kexec-FDT/20240508-211003 base: next-20240508 patch link: https://lore.kernel.org/r/20240508130558.1939304-2-sourabhjain%40linux.ibm.com patch subject: [PATCH 1/2] powerpc/kexec_file: fix extra size calculation for kexec FDT config: powerpc64-randconfig-002-20240509 (https://download.01.org/0day-ci/archive/20240509/202405091617.irrntyre-...@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240509/202405091617.irrntyre-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202405091617.irrntyre-...@intel.com/ All warnings (new ones prefixed by >>): >> arch/powerpc/kexec/file_load_64.c:852: warning: Function parameter or struct >> member 'rmem' not described in 'kexec_extra_fdt_size_ppc64' vim +852 arch/powerpc/kexec/file_load_64.c 2377c92e37fe97 Hari Bathini 2021-02-04 843 33f2cc0a2e90f7 Hari Bathini 2024-02-26 844 /** 33f2cc0a2e90f7 Hari Bathini 2024-02-26 845 * kexec_extra_fdt_size_ppc64 - Return the estimated additional size needed to 33f2cc0a2e90f7 Hari Bathini 2024-02-26 846 * setup FDT for kexec/kdump kernel. 33f2cc0a2e90f7 Hari Bathini 2024-02-26 847 * @image: kexec image being loaded. 33f2cc0a2e90f7 Hari Bathini 2024-02-26 848 * 33f2cc0a2e90f7 Hari Bathini 2024-02-26 849 * Returns the estimated extra size needed for kexec/kdump kernel FDT. 33f2cc0a2e90f7 Hari Bathini 2024-02-26 850 */ f2c160891d3206 Sourabh Jain 2024-05-08 851 unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image, struct crash_mem *rmem) 33f2cc0a2e90f7 Hari Bathini 2024-02-26 @852 { f2c160891d3206 Sourabh Jain 2024-05-08 853 struct device_node *dn; f2c160891d3206 Sourabh Jain 2024-05-08 854 unsigned int cpu_nodes, extra_size = 0; 33f2cc0a2e90f7 Hari Bathini 2024-02-26 855 33f2cc0a2e90f7 Hari Bathini 2024-02-26 856 // Budget some space for the password blob. There's already extra space 33f2cc0a2e90f7 Hari Bathini 2024-02-26 857 // for the key name 33f2cc0a2e90f7 Hari Bathini 2024-02-26 858 if (plpks_is_available()) 33f2cc0a2e90f7 Hari Bathini 2024-02-26 859 extra_size += (unsigned int)plpks_get_passwordlen(); 33f2cc0a2e90f7 Hari Bathini 2024-02-26 860 f2c160891d3206 Sourabh Jain 2024-05-08 861 /* Get the number of CPU nodes in the current device tree */ f2c160891d3206 Sourabh Jain 2024-05-08 862 for_each_node_by_type(dn, "cpu") { f2c160891d3206 Sourabh Jain 2024-05-08 863 cpu_nodes++; f2c160891d3206 Sourabh Jain 2024-05-08 864 } f2c160891d3206 Sourabh Jain 2024-05-08 865 f2c160891d3206 Sourabh Jain 2024-05-08 866 /* Consider extra space for CPU nodes added since the boot time */ f2c160891d3206 Sourabh Jain 2024-05-08 867 if (cpu_nodes > boot_cpu_node_count) f2c160891d3206 Sourabh Jain 2024-05-08 868 extra_size += (cpu_nodes - boot_cpu_node_count) * cpu_node_size(); f2c160891d3206 Sourabh Jain 2024-05-08 869 f2c160891d3206 Sourabh Jain 2024-05-08 870 /* Consider extra space for reserved memory ranges if any */ f2c160891d3206 Sourabh Jain 2024-05-08 871 if (rmem->nr_ranges > 0) f2c160891d3206 Sourabh Jain 2024-05-08 872 extra_size += sizeof(struct fdt_reserve_entry) * rmem->nr_ranges; f2c160891d3206 Sourabh Jain 2024-05-08 873 f2c160891d3206 Sourabh Jain 2024-05-08 874 return extra_size + kdump_extra_fdt_size_ppc64(image, cpu_nodes); 33f2cc0a2e90f7 Hari Bathini 2024-02-26 875 } 33f2cc0a2e90f7 Hari Bathini 2024-02-26 876 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
