tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git pv_worktree head: 6a8cbdf8a1bdd3a4dff307780f9c00eeb2300adb commit: 76f352baed9166481516cfaf88968883635b931c [5/40] s390/protvirt: add ultravisor initialization config: s390-zfcpdump_defconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 76f352baed9166481516cfaf88968883635b931c # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/s390/kernel/setup.c: In function 'setup_memory_end': >> arch/s390/kernel/setup.c:563:6: error: 'prot_virt_host' undeclared (first use in this function); did you mean 'is_prot_virt_host'? if (prot_virt_host) ^~~~~~~~~~~~~~ is_prot_virt_host arch/s390/kernel/setup.c:563:6: note: each undeclared identifier is reported only once for each function it appears in arch/s390/kernel/setup.c: In function 'setup_arch': arch/s390/kernel/setup.c:1140:6: error: 'prot_virt_host' undeclared (first use in this function); did you mean 'is_prot_virt_host'? if (prot_virt_host) ^~~~~~~~~~~~~~ is_prot_virt_host vim +563 arch/s390/kernel/setup.c 544 545 static void __init setup_memory_end(void) 546 { 547 unsigned long vmax, tmp; 548 549 /* Choose kernel address space layout: 3 or 4 levels. */ 550 if (IS_ENABLED(CONFIG_KASAN)) { 551 vmax = IS_ENABLED(CONFIG_KASAN_S390_4_LEVEL_PAGING) 552 ? _REGION1_SIZE 553 : _REGION2_SIZE; 554 } else { 555 tmp = (memory_end ?: max_physmem_end) / PAGE_SIZE; 556 tmp = tmp * (sizeof(struct page) + PAGE_SIZE); 557 if (tmp + vmalloc_size + MODULES_LEN <= _REGION2_SIZE) 558 vmax = _REGION2_SIZE; /* 3-level kernel page table */ 559 else 560 vmax = _REGION1_SIZE; /* 4-level kernel page table */ 561 } 562 > 563 if (prot_virt_host) 564 adjust_to_uv_max(&vmax); 565 566 /* module area is at the end of the kernel address space. */ 567 MODULES_END = vmax; 568 MODULES_VADDR = MODULES_END - MODULES_LEN; 569 VMALLOC_END = MODULES_VADDR; 570 VMALLOC_START = VMALLOC_END - vmalloc_size; 571 572 /* Split remaining virtual space between 1:1 mapping & vmemmap array */ 573 tmp = VMALLOC_START / (PAGE_SIZE + sizeof(struct page)); 574 /* vmemmap contains a multiple of PAGES_PER_SECTION struct pages */ 575 tmp = SECTION_ALIGN_UP(tmp); 576 tmp = VMALLOC_START - tmp * sizeof(struct page); 577 tmp &= ~((vmax >> 11) - 1); /* align to page table level */ 578 tmp = min(tmp, 1UL << MAX_PHYSMEM_BITS); 579 vmemmap = (struct page *) tmp; 580 581 /* Take care that memory_end is set and <= vmemmap */ 582 memory_end = min(memory_end ?: max_physmem_end, (unsigned long)vmemmap); 583 #ifdef CONFIG_KASAN 584 /* fit in kasan shadow memory region between 1:1 and vmemmap */ 585 memory_end = min(memory_end, KASAN_SHADOW_START); 586 vmemmap = max(vmemmap, (struct page *)KASAN_SHADOW_END); 587 #endif 588 max_pfn = max_low_pfn = PFN_DOWN(memory_end); 589 memblock_remove(memory_end, ULONG_MAX); 590 591 pr_notice("The maximum memory size is %luMB\n", memory_end >> 20); 592 } 593 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
