[kbuild-all] Re: [PATCH v13 4/8] x86: kdump: move reserve_crashkernel[_low]() into crash_core.c

Hi Chen, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tip/master] [also build test WARNING on linus/master v5.10-rc3 next-20201111] [cannot apply to arm64/for-next/core tip/x86/core] [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] url: https://github.com/0day-ci/linux/commits/Chen-Zhou/support-reserving-cras... base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 6f72faf4a32303c8bdc6491186b79391e9cf0c7e config: i386-randconfig-r024-20201110 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/0384057e2a51e71f42a0e1cb9d37555f4... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chen-Zhou/support-reserving-crashkernel-above-4G-on-arm64-kdump/20201031-154154 git checkout 0384057e2a51e71f42a0e1cb9d37555f4f37874e # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from arch/x86/kernel/setup.c:39: 77 | # define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64) | In file included from arch/x86/kernel/setup.c:9: include/linux/crash_dump.h:39: note: this is the location of the previous definition 39 | #define vmcore_elf_check_arch_cross(x) 0 | vim +/vmcore_elf_check_arch_cross +77 arch/x86/include/asm/kexec.h 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 75 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 76 /* We can also handle crash dumps from 64 bit kernel. */ 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 @77 # define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64) 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 78 #else 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 79 /* Maximum physical address we can use pages from */ 577af55d802d9f arch/x86/include/asm/kexec.h Yinghai Lu 2013-01-24 80 # define KEXEC_SOURCE_MEMORY_LIMIT (MAXMEM-1) 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 81 /* Maximum address we can reach in physical address mode */ 577af55d802d9f arch/x86/include/asm/kexec.h Yinghai Lu 2013-01-24 82 # define KEXEC_DESTINATION_MEMORY_LIMIT (MAXMEM-1) 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 83 /* Maximum address we can use for the control pages */ 577af55d802d9f arch/x86/include/asm/kexec.h Yinghai Lu 2013-01-24 84 # define KEXEC_CONTROL_MEMORY_LIMIT (MAXMEM-1) 3c233d1334ffc8 include/asm-x86/kexec.h Harvey Harrison 2008-01-30 85 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org