my bad due to a late change to fold in some last minute review. Will fix. On 15.02.20 05:33, kbuild test robot wrote: > 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 >
