Re: [PATCH 06/15] arm64: Add KHO support
From: kernel test robot
Date: Wed Dec 13 2023 - 08:41:31 EST
Hi Alexander,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/x86/core]
[also build test WARNING on arm64/for-next/core akpm-mm/mm-everything linus/master v6.7-rc5 next-20231213]
[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/Alexander-Graf/mm-memblock-Add-support-for-scratch-memory/20231213-080941
base: tip/x86/core
patch link: https://lore.kernel.org/r/20231213000452.88295-7-graf%40amazon.com
patch subject: [PATCH 06/15] arm64: Add KHO support
config: microblaze-randconfig-r133-20231213 (https://download.01.org/0day-ci/archive/20231213/202312132139.g2NKV67G-lkp@xxxxxxxxx/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231213/202312132139.g2NKV67G-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/202312132139.g2NKV67G-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/of/fdt.c:1012:13: sparse: sparse: symbol 'early_init_dt_check_kho' was not declared. Should it be static?
vim +/early_init_dt_check_kho +1012 drivers/of/fdt.c
1008
1009 /**
1010 * early_init_dt_check_kho - Decode info required for kexec handover from DT
1011 */
> 1012 void __init early_init_dt_check_kho(void)
1013 {
1014 #ifdef CONFIG_KEXEC_KHO
1015 unsigned long node = chosen_node_offset;
1016 u64 kho_start, scratch_start, scratch_size, mem_start, mem_size;
1017 const __be32 *p;
1018 int l;
1019
1020 if ((long)node < 0)
1021 return;
1022
1023 p = of_get_flat_dt_prop(node, "linux,kho-dt", &l);
1024 if (l != (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32))
1025 return;
1026
1027 kho_start = dt_mem_next_cell(dt_root_addr_cells, &p);
1028
1029 p = of_get_flat_dt_prop(node, "linux,kho-scratch", &l);
1030 if (l != (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32))
1031 return;
1032
1033 scratch_start = dt_mem_next_cell(dt_root_addr_cells, &p);
1034 scratch_size = dt_mem_next_cell(dt_root_addr_cells, &p);
1035
1036 p = of_get_flat_dt_prop(node, "linux,kho-mem", &l);
1037 if (l != (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32))
1038 return;
1039
1040 mem_start = dt_mem_next_cell(dt_root_addr_cells, &p);
1041 mem_size = dt_mem_next_cell(dt_root_addr_cells, &p);
1042
1043 kho_populate(kho_start, scratch_start, scratch_size, mem_start, mem_size);
1044 #endif
1045 }
1046
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