Hi Sourabh, kernel test robot noticed the following build errors: [auto build test ERROR on powerpc/next] [also build test ERROR on powerpc/fixes tip/x86/core akpm-mm/mm-everything linus/master v6.7-rc4 next-20231205] [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/crash-make-CPU-and-Memory-hotplug-support-reporting-flexible/20231204-143305 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/20231204053253.25305-7-sourabhjain%40linux.ibm.com patch subject: [PATCH v13 6/6] powerpc: add crash memory hotplug support config: powerpc64-randconfig-001-20231205 (https://download.01.org/0day-ci/archive/20231206/202312060059.JITEJl8B-lkp@xxxxxxxxx/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312060059.JITEJl8B-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/202312060059.JITEJl8B-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/powerpc/kexec/core_64.c: In function 'arch_crash_get_elfcorehdr_size': >> arch/powerpc/kexec/core_64.c:595:33: error: implicit declaration of function 'memory_hotplug_max' [-Werror=implicit-function-declaration] 595 | elf_phdr_cnt += memory_hotplug_max() / (2 * drmem_lmb_size()); | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/memory_hotplug_max +595 arch/powerpc/kexec/core_64.c 579 580 /* 581 * Advertise preferred elfcorehdr size to userspace via 582 * /sys/kernel/crash_elfcorehdr_size sysfs interface. 583 */ 584 unsigned int arch_crash_get_elfcorehdr_size(void) 585 { 586 unsigned int sz; 587 unsigned long elf_phdr_cnt; 588 589 /* Program header for CPU notes and vmcoreinfo */ 590 elf_phdr_cnt = 2; 591 if (IS_ENABLED(CONFIG_MEMORY_HOTPLUG)) 592 /* In the worst case, a Phdr is needed for every other LMB to be 593 * represented as an individual crash range. 594 */ > 595 elf_phdr_cnt += memory_hotplug_max() / (2 * drmem_lmb_size()); 596 597 /* Do not cross the max limit */ 598 if (elf_phdr_cnt > PN_XNUM) 599 elf_phdr_cnt = PN_XNUM; 600 601 sz = sizeof(struct elfhdr) + (elf_phdr_cnt * sizeof(Elf64_Phdr)); 602 return sz; 603 } 604 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
