Messages in this thread | | | Date | Thu, 18 Aug 2022 07:27:35 +0800 | From | kernel test robot <> | Subject | [rppt:crash-kernel/arm64-remap/v0.1 4/5] arch/arm64/mm/init.c:133:3: error: use of undeclared identifier 'crashkres_protection_possible' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git crash-kernel/arm64-remap/v0.1 head: 083629d699170f5a86078d0a7afbe647c3a571cb commit: 3aaa4a222ab056611236c4c42499d24c8317bc96 [4/5] arm64/mm: remap crash kernel with base pages even if rodata_full disabled config: arm64-randconfig-r034-20220818 (https://download.01.org/0day-ci/archive/20220818/202208180702.BgAbSr7d-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/commit/?id=3aaa4a222ab056611236c4c42499d24c8317bc96 git remote add rppt https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git git fetch --no-tags rppt crash-kernel/arm64-remap/v0.1 git checkout 3aaa4a222ab056611236c4c42499d24c8317bc96 # 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=arm64 SHELL=/bin/bash arch/arm64/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> arch/arm64/mm/init.c:133:3: error: use of undeclared identifier 'crashkres_protection_possible' crashkres_protection_possible = true; ^ arch/arm64/mm/init.c:151:2: error: use of undeclared identifier 'crashkres_protection_possible' crashkres_protection_possible = true; ^ 2 errors generated.
vim +/crashkres_protection_possible +133 arch/arm64/mm/init.c
119 120 static unsigned long long __init 121 reserve_remap_crashkernel(unsigned long long crash_base, 122 unsigned long long crash_size, 123 unsigned long long crash_max) 124 { 125 unsigned long long size; 126 127 /* 128 * If linear map uses base pages or there is no ZONE_DMA/ZONE_DMA32 129 * the crashk_res will be mapped with PTEs in mmu::map_mem() 130 */ 131 if (can_set_direct_map() || IS_ENABLED(CONFIG_KFENCE) || 132 !have_zone_dma()) { > 133 crashkres_protection_possible = true; 134 return 0; 135 } 136 137 if (crash_base) 138 return 0; 139 140 size = ALIGN(crash_size, PUD_SIZE); 141 142 crash_base = memblock_phys_alloc_range(size, PUD_SIZE, 0, crash_max); 143 if (!crash_base) 144 return 0; 145 146 if (remap_crashkernel(crash_base, crash_size, size)) { 147 memblock_phys_free(crash_base, size); 148 return 0; 149 } 150 151 crashkres_protection_possible = true; 152 memblock_phys_free(crash_base + crash_size, size - crash_size); 153 154 return crash_base; 155 } 156
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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