# git rev-parse -q --verify 9fea59bd7ca541e5d0851f0b6dbca83c60ea90cd^{commit}
9fea59bd7ca541e5d0851f0b6dbca83c60ea90cd
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9fea59bd7ca541e5d0851f0b6dbca83c60ea90cd
# git clean -qxdf
# git log -1
commit 9fea59bd7ca541e5d0851f0b6dbca83c60ea90cd
Author: Michael Ellerman <mpe@ellerman.id.au>
Date:   Fri Apr 21 00:36:20 2017 +1000

    powerpc/mm: Add support for runtime configuration of ASLR limits
    
    Add powerpc support for mmap_rnd_bits and mmap_rnd_compat_bits, which are two
    sysctls that allow a user to configure the number of bits of randomness used for
    ASLR.
    
    Because of the way the Kconfig for ARCH_MMAP_RND_BITS is defined, we have to
    construct at least the MIN value in Kconfig, vs in a header which would be more
    natural. Given that we just go ahead and do it all in Kconfig.
    
    At least according to the code (the documentation makes no mention of it), the
    value is defined as the number of bits of randomisation *of the page*, not the
    address. This makes some sense, with larger page sizes more of the low bits are
    forced to zero, which would reduce the randomisation if we didn't take the
    PAGE_SIZE into account. However it does mean the min/max values have to change
    depending on the PAGE_SIZE in order to actually limit the amount of address
    space consumed by the randomisation.
    
    The result of that is that we have to define the default values based on both
    32-bit vs 64-bit, but also the configured PAGE_SIZE. Furthermore now that we
    have 128TB address space support on Book3S, we also have to take that into
    account.
    
    Finally we can wire up the value in arch_mmap_rnd().
    
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
    Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com>
    Tested-by: Bhupesh Sharma <bhsharma@redhat.com>
    Reviewed-by: Kees Cook <keescook@chromium.org>
    Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
# < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 9fea59bd7ca541e5d0851f0b6dbca83c60ea90cd
# < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_40x_obs600_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  40x/obs600_defconfig
# make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_40x_obs600_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/powerpc-next_40x_obs600_defconfig_powerpc-5.3'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
  CHK     include/config/kernel.release
  GEN     ./Makefile
  WRAP    arch/powerpc/include/generated/asm/clkdev.h
  WRAP    arch/powerpc/include/generated/asm/div64.h
  WRAP    arch/powerpc/include/generated/asm/export.h
  WRAP    arch/powerpc/include/generated/asm/irq_regs.h
  CHK     include/generated/uapi/linux/version.h
  WRAP    arch/powerpc/include/generated/asm/irq_work.h
  WRAP    arch/powerpc/include/generated/asm/local64.h
  WRAP    arch/powerpc/include/generated/asm/mcs_spinlock.h
  WRAP    arch/powerpc/include/generated/asm/preempt.h
  WRAP    arch/powerpc/include/generated/asm/rwsem.h
  UPD     include/generated/uapi/linux/version.h
  WRAP    arch/powerpc/include/generated/asm/vtime.h
  UPD     include/config/kernel.release
  Using /home/kisskb/slave/src as source for kernel
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/sortextable
  HOSTCC  scripts/dtc/dtc.o
  CC      scripts/mod/empty.o
  HOSTCC  scripts/dtc/flattree.o
  HOSTCC  scripts/mod/mk_elfconfig
  HOSTCC  scripts/dtc/fstree.o
  CC      scripts/mod/devicetable-offsets.s
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/dtc/srcpos.o
  HOSTCC  scripts/dtc/checks.o
  HOSTCC  scripts/dtc/util.o
  SHIPPED scripts/dtc/dtc-lexer.lex.c
  SHIPPED scripts/dtc/dtc-parser.tab.h
  SHIPPED scripts/dtc/dtc-parser.tab.c
  HOSTCC  scripts/dtc/dtc-lexer.lex.o
  HOSTCC  scripts/dtc/dtc-parser.tab.o
  CHK     include/generated/timeconst.h
  CC      kernel/bounds.s
  UPD     include/generated/timeconst.h
  GEN     scripts/mod/devicetable-offsets.h
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/sumversion.o
  CHK     include/generated/bounds.h
  UPD     include/generated/bounds.h
  CC      arch/powerpc/kernel/asm-offsets.s
  CHK     include/generated/asm-offsets.h
  UPD     include/generated/asm-offsets.h
  HOSTLD  scripts/dtc/dtc
  CALL    /home/kisskb/slave/src/scripts/checksyscalls.sh
  HOSTLD  scripts/mod/modpost
  HOSTCC  usr/gen_init_cpio
  CC      init/main.o
  CHK     include/generated/compile.h
  CC      init/do_mounts.o
  CC      init/do_mounts_rd.o
  CC      init/do_mounts_initrd.o
  CC      init/initramfs.o
  CC      init/init_task.o
  UPD     include/generated/compile.h
  CC      init/version.o
  CC      arch/powerpc/mm/fault.o
  CC      arch/powerpc/mm/mem.o
  CC      arch/powerpc/mm/pgtable.o
  CC      arch/powerpc/lib/alloc.o
  AS      arch/powerpc/lib/crtsavres.o
  CC      arch/powerpc/mm/init_32.o
  AS      arch/powerpc/sysdev/dcr-low.o
  AS      arch/powerpc/lib/string.o
  CC      arch/powerpc/lib/code-patching.o
  CC      arch/powerpc/sysdev/uic.o
  AS      arch/powerpc/lib/div64.o
  CC      arch/powerpc/lib/feature-fixups.o
  CC      arch/powerpc/mm/mmap.o
  CC      arch/powerpc/mm/tlb_nohash.o
  CC      arch/powerpc/mm/pgtable_32.o
  AS      arch/powerpc/lib/checksum_32.o
  CC      arch/powerpc/mm/init-common.o
  CC      arch/powerpc/sysdev/dcr.o
  CC      arch/powerpc/lib/checksum_wrappers.o
  AS      arch/powerpc/mm/tlb_nohash_low.o
  CC      arch/powerpc/sysdev/ppc4xx_soc.o
  AS      arch/powerpc/lib/copy_32.o
  CC      arch/powerpc/mm/hugetlbpage.o
  CC      arch/powerpc/mm/mmu_context_nohash.o
  CC      arch/powerpc/sysdev/ppc4xx_cpm.o
  CC      arch/powerpc/mm/dma-noncoherent.o
  CC      arch/powerpc/kernel/vdso.o
  CC      arch/powerpc/kernel/align.o
  CC      arch/powerpc/kernel/signal_32.o
  CC      arch/powerpc/kernel/ptrace.o
  CC      arch/powerpc/kernel/cputable.o
  CC      arch/powerpc/mm/40x_mmu.o
  CC      arch/powerpc/kernel/pmc.o
  CC      arch/powerpc/kernel/idle.o
  CC      arch/powerpc/platforms/40x/ppc40x_simple.o
  CPP     arch/powerpc/kernel/systbl_chk.i
  CC      arch/powerpc/kernel/process.o
  CC      arch/powerpc/kernel/syscalls.o
  CC      arch/powerpc/kernel/irq.o
  CC      arch/powerpc/kernel/signal.o
  CC      arch/powerpc/kernel/sysfs.o
  CC      arch/powerpc/kernel/cacheinfo.o
  LD      arch/powerpc/crypto/built-in.o
  CC      arch/powerpc/kernel/time.o
  CC      arch/powerpc/kernel/prom.o
  CC      arch/powerpc/kernel/traps.o
  LD      arch/powerpc/net/built-in.o
  CC      arch/powerpc/kernel/setup-common.o
  CC      arch/powerpc/kernel/udbg.o
  AS      arch/powerpc/kernel/misc.o
  CC      arch/powerpc/kernel/io.o
  CC      arch/powerpc/kernel/dma.o
  GEN     usr/initramfs_data.cpio.gz
  LD      certs/built-in.o
  AS      arch/powerpc/kernel/misc_32.o
  CC      arch/powerpc/kernel/of_platform.o
  CC      arch/powerpc/kernel/prom_parse.o
  CC      arch/powerpc/kernel/proc_powerpc.o
  CC      arch/powerpc/math-emu/math.o
  CC      arch/powerpc/math-emu/fre.o
  CC      arch/powerpc/kernel/module.o
  CC      arch/powerpc/math-emu/fsqrt.o
  CC      arch/powerpc/kernel/module_32.o
  AS      usr/initramfs_data.o
  LDS     arch/powerpc/kernel/vdso32/vdso32.lds
  VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o
  AS      arch/powerpc/kernel/entry_32.o
  CC      arch/powerpc/kernel/setup_32.o
  LD      arch/powerpc/lib/built-in.o
  VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o
  VDSO32A arch/powerpc/kernel/vdso32/datapage.o
  CC      arch/powerpc/math-emu/fsqrts.o
  VDSO32A arch/powerpc/kernel/vdso32/note.o
  VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o
  CC      arch/powerpc/kernel/legacy_serial.o
  LD      usr/built-in.o
  CC      arch/powerpc/kernel/udbg_16550.o
  CC      arch/powerpc/math-emu/frsqrtes.o
  LD      arch/powerpc/platforms/40x/built-in.o
  CC      arch/powerpc/kernel/iomap.o
  LD      arch/powerpc/sysdev/built-in.o
  AS      arch/powerpc/kernel/head_40x.o
  CC      arch/powerpc/math-emu/mtfsfi.o
  CC      arch/powerpc/math-emu/mtfsf.o
  LD      arch/powerpc/platforms/built-in.o
  CC      arch/powerpc/math-emu/fabs.o
  CC      arch/powerpc/math-emu/fadd.o
  LDS     arch/powerpc/kernel/vmlinux.lds
  CALL    /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh
  CC      arch/powerpc/math-emu/fcmpo.o
  CC      arch/powerpc/math-emu/fadds.o
  AS      arch/powerpc/kernel/systbl.o
  CC      arch/powerpc/math-emu/fcmpu.o
  CC      arch/powerpc/math-emu/fctiw.o
  VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg
  CC      arch/powerpc/math-emu/fctiwz.o
  CC      arch/powerpc/math-emu/fdiv.o
  LD      arch/powerpc/mm/built-in.o
  CC      arch/powerpc/math-emu/fmadd.o
  CC      arch/powerpc/math-emu/fdivs.o
  CC      ipc/util.o
  CC      security/commoncap.o
  CC      security/min_addr.o
  OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so
  CC      arch/powerpc/math-emu/fmadds.o
  CC      ipc/msg.o
  CC      arch/powerpc/math-emu/fmsub.o
  CC      ipc/msgutil.o
  AS      arch/powerpc/kernel/vdso32/vdso32_wrapper.o
  CC      ipc/sem.o
  CC      kernel/fork.o
  CC      kernel/exec_domain.o
  CC      ipc/shm.o
  CC      mm/filemap.o
  CC      mm/mempool.o
  CC      arch/powerpc/math-emu/fmsubs.o
  CC      mm/oom_kill.o
  CC      arch/powerpc/math-emu/fmul.o
  LD      arch/powerpc/kernel/vdso32/built-in.o
  CC      arch/powerpc/math-emu/fmuls.o
  CC      mm/page_alloc.o
  CC      mm/maccess.o
  CC      arch/powerpc/math-emu/fneg.o
  CC      arch/powerpc/math-emu/fnabs.o
  CC      arch/powerpc/math-emu/fnmadd.o
  CC      mm/page-writeback.o
  CC      arch/powerpc/math-emu/fnmadds.o
  CC      arch/powerpc/math-emu/fnmsub.o
  CC      fs/open.o
  CC      kernel/panic.o
  CC      kernel/cpu.o
  CC      arch/powerpc/math-emu/fnmsubs.o
  CC      arch/powerpc/math-emu/fres.o
  CC      arch/powerpc/math-emu/frsp.o
  CC      arch/powerpc/math-emu/lfs.o
  CC      arch/powerpc/math-emu/fsel.o
  LD      sound/built-in.o
  CC      arch/powerpc/math-emu/frsqrte.o
  CC      block/bio.o
  LD      init/mounts.o
  CC      ipc/syscall.o
  LD      init/built-in.o
  LD      firmware/built-in.o
  CC      arch/powerpc/math-emu/fsub.o
  CC      arch/powerpc/math-emu/fsubs.o
  CC      arch/powerpc/math-emu/mcrfs.o
  CC      arch/powerpc/math-emu/mffs.o
  CC      arch/powerpc/math-emu/mtfsb0.o
  CC      arch/powerpc/math-emu/mtfsb1.o
  CC      arch/powerpc/math-emu/stfs.o
  CC      arch/powerpc/math-emu/stfiwx.o
  CC      crypto/api.o
  CC      kernel/exit.o
  CC      arch/powerpc/math-emu/fmr.o
  CC      arch/powerpc/math-emu/lfd.o
  CC      kernel/softirq.o
  CC      arch/powerpc/math-emu/stfd.o
  CC      mm/readahead.o
  CC      net/socket.o
  CC      mm/swap.o
  LD      virt/lib/built-in.o
  LD      net/802/built-in.o
  LD      arch/powerpc/kernel/built-in.o
  CC      mm/vmscan.o
  CC      mm/truncate.o
  CC      ipc/mqueue.o
  CC      ipc/ipc_sysctl.o
  CC      fs/read_write.o
  CC      fs/file_table.o
  LD      virt/built-in.o
  CC      crypto/cipher.o
  CC      ipc/mq_sysctl.o
  CC      mm/shmem.o
  LD      drivers/auxdisplay/built-in.o
  LD      drivers/amba/built-in.o
  CC      mm/mmzone.o
  CC      mm/util.o
  CC      drivers/block/brd.o
  CC      fs/super.o
  CC      kernel/resource.o
  CC      mm/vmstat.o
  CC      fs/char_dev.o
  LD      drivers/cdrom/built-in.o
  LD      drivers/bus/built-in.o
  CC      net/ethernet/eth.o
  CC      block/elevator.o
  CC      kernel/sysctl.o
  CC      kernel/sysctl_binary.o
  LD      drivers/char/ipmi/built-in.o
  CC      drivers/char/mem.o
  CC      drivers/char/random.o
  CC      lib/lockref.o
  CC      kernel/capability.o
  CC      kernel/ptrace.o
  CC      mm/backing-dev.o
  CC      net/core/sock.o
  CC      net/ipv6/addrconf_core.o
  CC      net/ipv6/exthdrs_core.o
  CC      drivers/base/core.o
  CC      drivers/base/component.o
  LD      arch/powerpc/math-emu/built-in.o
  LD      drivers/clk/bcm/built-in.o
  CC      drivers/base/bus.o
  CC      drivers/base/dd.o
  LD      drivers/clk/mvebu/built-in.o
  LD      drivers/clk/ti/built-in.o
  CC      lib/bcd.o
  CC      lib/div64.o
  CC      mm/mm_init.o
  LD      drivers/clk/built-in.o
  LD      security/built-in.o
  CC      lib/sort.o
  CC      lib/parser.o
  LD      drivers/clocksource/built-in.o
  CC      fs/stat.o
  CC      kernel/user.o
  CC      lib/debug_locks.o
  CC      net/ipv4/route.o
  CC      drivers/connector/cn_queue.o
  CC      net/ipv4/inetpeer.o
  CC      crypto/compress.o
  CC      drivers/base/syscore.o
  CC      crypto/memneq.o
  CC      fs/exec.o
  CC      lib/random32.o
  CC      mm/mmu_context.o
  CC      mm/percpu.o
  CC      kernel/signal.o
  CC      lib/bust_spinlocks.o
  CC      lib/kasprintf.o
  CC      drivers/base/driver.o
  CC      fs/pipe.o
  LD      drivers/block/built-in.o
  CC      mm/slab_common.o
  LD      drivers/crypto/built-in.o
  CC      kernel/sys.o
  CC      net/ipv6/ip6_checksum.o
  CC      mm/compaction.o
  LD      drivers/firewire/built-in.o
  CC      kernel/kmod.o
  CC      mm/vmacache.o
  CC      drivers/char/misc.o
  CC      kernel/workqueue.o
  CC      kernel/pid.o
  CC      mm/swap_slots.o
  CC      mm/interval_tree.o
  CC      net/ipv6/ip6_icmp.o
  CC      lib/bitmap.o
  CC      lib/scatterlist.o
  LD      net/ethernet/built-in.o
  LD      drivers/firmware/broadcom/built-in.o
  CC      block/blk-core.o
  CC      mm/list_lru.o
  LD      drivers/char/agp/built-in.o
  CC      mm/workingset.o
  LD      drivers/firmware/meson/built-in.o
  CC      net/netlink/af_netlink.o
  CC      kernel/task_work.o
  CC      drivers/base/class.o
  CC      net/netlink/genetlink.o
  CC      drivers/base/platform.o
  CC      drivers/base/cpu.o
  LD      drivers/firmware/tegra/built-in.o
  CC      mm/debug.o
  CC      lib/gcd.o
  LD      ipc/built-in.o
  CC      fs/namei.o
  CC      lib/lcm.o
  CC      crypto/crypto_wq.o
  LD      drivers/firmware/built-in.o
  CC      lib/list_sort.o
  CC      block/blk-tag.o
  CC      lib/uuid.o
  CC      kernel/extable.o
  CC      drivers/connector/connector.o
  CC      mm/gup.o
  CC      fs/fcntl.o
  LD      drivers/gpu/drm/bridge/built-in.o
  CC      lib/flex_array.o
  LD      drivers/char/built-in.o
  LD      drivers/gpu/drm/hisilicon/built-in.o
  CC      drivers/hwmon/hwmon.o
  CC      fs/ioctl.o
  CC      lib/iov_iter.o
  CC      mm/highmem.o
  CC      mm/memory.o
  LD      drivers/gpu/drm/i2c/built-in.o
  CC      kernel/params.o
  CC      mm/mincore.o
  CC      net/ipv6/output_core.o
  CC      net/ipv4/protocol.o
  CC      crypto/algapi.o
  CC      net/ipv6/protocol.o
  LD      drivers/gpu/drm/omapdrm/displays/built-in.o
  CC      mm/mlock.o
  CC      kernel/kthread.o
  CC      mm/mmap.o
  CC      net/packet/af_packet.o
  CC      kernel/sys_ni.o
  CC      drivers/base/firmware.o
  CC      mm/mprotect.o
  CC      lib/clz_ctz.o
  LD      drivers/gpu/drm/omapdrm/dss/built-in.o
  CC      mm/mremap.o
  CC      drivers/base/init.o
  CC      lib/bsearch.o
  LD      drivers/gpu/drm/omapdrm/built-in.o
  CC      kernel/nsproxy.o
  CC      lib/find_bit.o
  CC      fs/readdir.o
  CC      lib/llist.o
  LD      drivers/gpu/drm/panel/built-in.o
  CC      lib/memweight.o
  CC      mm/msync.o
  CC      lib/kfifo.o
  CC      fs/select.o
  LD      drivers/gpu/drm/tilcdc/built-in.o
  CC      kernel/notifier.o
  LD      drivers/gpu/drm/built-in.o
  CC      drivers/base/map.o
  CC      lib/percpu_ida.o
  CC      lib/percpu-refcount.o
  CC      drivers/base/devres.o
  CC      kernel/ksysfs.o
  CC      mm/page_vma_mapped.o
  CC      kernel/cred.o
  CC      mm/pagewalk.o
  CC      drivers/base/attribute_container.o
  LD      drivers/gpu/vga/built-in.o
  CC      mm/pgtable-generic.o
  CC      block/blk-sysfs.o
  CC      net/core/request_sock.o
  CC      drivers/base/transport_class.o
  CC      net/ipv6/ip6_offload.o
  LD      drivers/gpu/built-in.o
  LD      drivers/hwtracing/intel_th/built-in.o
  CC      drivers/connector/cn_proc.o
  CC      fs/dcache.o
  CC      fs/inode.o
  CC      kernel/reboot.o
  CC      drivers/i2c/i2c-boardinfo.o
  CC      net/ipv4/ip_input.o
  CC      mm/rmap.o
  CC      mm/vmalloc.o
  CC      drivers/hwmon/lm75.o
  CC      mm/process_vm_access.o
  CC      kernel/async.o
  CC      mm/init-mm.o
  CC      kernel/range.o
  CC      drivers/base/topology.o
  CC      lib/rhashtable.o
  CC      mm/nobootmem.o
  CC      mm/fadvise.o
  CC      drivers/base/container.o
  CC      net/ipv6/tcpv6_offload.o
  CC      fs/attr.o
  CC      mm/madvise.o
  CC      kernel/smpboot.o
  CC      lib/reciprocal_div.o
  CC      mm/memblock.o
  CC      kernel/ucount.o
  CC      drivers/base/property.o
  CC      mm/page_io.o
  CC      lib/once.o
  CC      mm/swap_state.o
  CC      kernel/groups.o
  CC      drivers/i2c/i2c-core.o
  CC      mm/swapfile.o
  CC      mm/dmapool.o
  CC      lib/refcount.o
  CC      kernel/bpf/core.o
  CC      drivers/base/cacheinfo.o
  CC      mm/slub.o
  CC      net/ipv4/ip_fragment.o
  CC      crypto/scatterwalk.o
  CC      kernel/irq/irqdesc.o
  CC      drivers/base/power/sysfs.o
  LD      kernel/livepatch/built-in.o
  CC      lib/string_helpers.o
  CC      net/core/skbuff.o
  LD      drivers/hwmon/built-in.o
  CC      lib/hexdump.o
  LD      drivers/idle/built-in.o
  CC      kernel/power/qos.o
  CC      kernel/locking/mutex.o
  CC      drivers/base/regmap/regmap.o
  CC      kernel/printk/printk.o
  LD      drivers/iommu/built-in.o
  CC      lib/kstrtox.o
  CC      block/blk-flush.o
  CC      kernel/rcu/update.o
  CC      block/blk-settings.o
  CC      fs/bad_inode.o
  CC      mm/migrate.o
  CC      block/blk-ioc.o
  CC      drivers/irqchip/irqchip.o
  CC      net/ipv6/exthdrs_offload.o
  LD      drivers/connector/cn.o
  CC      lib/iomap_copy.o
  LD      drivers/connector/built-in.o
  LD      drivers/lguest/built-in.o
  CC      fs/file.o
  LD      drivers/macintosh/built-in.o
  LD      drivers/base/test/built-in.o
  CC      drivers/base/dma-mapping.o
  CC      drivers/base/firmware_class.o
  LD      drivers/mfd/built-in.o
  CC      net/ipv4/ip_forward.o
  CC      fs/filesystems.o
  CC      fs/namespace.o
  LD      drivers/misc/cb710/built-in.o
  LD      drivers/media/common/b2c2/built-in.o
  CC      crypto/proc.o
  CC      fs/seq_file.o
  CC      fs/xattr.o
  LD      drivers/media/common/saa7146/built-in.o
  LD      drivers/misc/eeprom/built-in.o
  LD      net/netlink/built-in.o
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  CC      kernel/sched/core.o
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  CC      block/blk-map.o
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  LD      drivers/media/tuners/built-in.o
  LD      drivers/media/pci/ddbridge/built-in.o
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  CC      net/unix/af_unix.o
  CC      net/ipv4/ip_output.o
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  LD      drivers/media/usb/dvb-usb/built-in.o
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  LD      drivers/media/pci/pluto2/built-in.o
  CC      drivers/base/regmap/regcache.o
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  CC      drivers/net/loopback.o
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  LD      drivers/media/pci/saa7146/built-in.o
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  CC      kernel/hung_task.o
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  CC      kernel/power/process.o
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  CC      crypto/ablkcipher.o
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  CC      fs/lockd/clntlock.o
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  CC      net/ipv4/ip_sockglue.o
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  CC      drivers/base/power/main.o
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  LD      net/wireless/built-in.o
  LD      fs/exportfs/exportfs.o
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  CC      net/sunrpc/svcsock.o
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  CC      drivers/mtd/nand/nand_bbt.o
  CC      fs/proc/version.o
  LD      drivers/mtd/tests/built-in.o
  CC      drivers/mtd/nand/nand_timings.o
  LD      drivers/mtd/mtd.o
  CC      drivers/mtd/nand/nand_ecc.o
  LD      drivers/mtd/maps/built-in.o
  CC      fs/proc/softirqs.o
  CC      drivers/mtd/nand/nand_ids.o
  CC      drivers/mtd/nand/ndfc.o
  CC      fs/proc/namespaces.o
  CC      net/sunrpc/svcauth.o
  CC      net/core/dev_ioctl.o
  CC      fs/nfs/pagelist.o
  CC      net/core/sock_diag.o
  CC      net/core/tso.o
  CC      crypto/testmgr.o
  CC      fs/proc/self.o
  CC      crypto/crypto_null.o
  CC      drivers/tty/tty_buffer.o
  CC      fs/nfs/read.o
  CC      drivers/tty/tty_port.o
  CC      kernel/time/timecounter.o
  CC      fs/proc/thread_self.o
  CC      kernel/time/posix-timers.o
  CC      kernel/time/alarmtimer.o
  CC      drivers/mtd/chips/cfi_util.o
  CC      fs/lockd/svc4proc.o
  CC      fs/proc/proc_sysctl.o
  CC      drivers/net/phy/mdio_device.o
  CC      kernel/time/posix-cpu-timers.o
  CC      fs/proc/proc_net.o
  CC      net/core/sock_reuseport.o
  CC      fs/lockd/procfs.o
  CC      kernel/time/posix-clock.o
  CC      crypto/md5.o
  CC      net/core/net-sysfs.o
  CC      fs/proc/kcore.o
  CC      fs/proc/kmsg.o
  CC      drivers/mtd/chips/cfi_cmdset_0002.o
  CC      drivers/mtd/chips/gen_probe.o
  CC      crypto/ecb.o
  CC      drivers/mtd/chips/jedec_probe.o
  CC      net/sunrpc/svcauth_unix.o
  CC      net/sunrpc/addr.o
  LD      kernel/sched/built-in.o
  CC      crypto/cbc.o
  CC      net/sunrpc/rpcb_clnt.o
  CC      drivers/net/phy/mdio-boardinfo.o
  CC      net/ipv4/tcp_output.o
  CC      crypto/pcbc.o
  CC      fs/proc/page.o
  CC      fs/nfs/unlink.o
  CC      fs/nfs/symlink.o
  CC      crypto/des_generic.o
  CC      fs/nfs/write.o
  CC      drivers/tty/tty_mutex.o
  CC      fs/nfs/namespace.o
  CC      drivers/tty/tty_ldsem.o
  CC      drivers/tty/pty.o
  CC      drivers/net/phy/swphy.o
  CC      net/core/net-procfs.o
  CC      drivers/tty/sysrq.o
  CC      drivers/net/phy/fixed_phy.o
  CC      crypto/aes_generic.o
  LD      drivers/tty/ipwireless/built-in.o
  CC      kernel/time/itimer.o
  CC      kernel/time/clockevents.o
  CC      drivers/tty/serial/serial_core.o
  LD      drivers/tty/vt/built-in.o
  CC      drivers/tty/serial/earlycon.o
  CC      fs/nfs/mount_clnt.o
  CC      net/ipv4/tcp_timer.o
  CC      crypto/rng.o
  CC      drivers/tty/serial/8250/8250_core.o
  CC      kernel/time/tick-common.o
  LD      drivers/net/wireless/admtek/built-in.o
  CC      kernel/time/tick-oneshot.o
  LD      drivers/net/wireless/ath/built-in.o
  LD      drivers/net/wireless/atmel/built-in.o
  CC      kernel/time/tick-sched.o
  CC      net/ipv4/tcp_ipv4.o
  CC [M]  crypto/echainiv.o
  CC      fs/nfs/nfstrace.o
  LD      drivers/net/wireless/broadcom/built-in.o
  AR      lib/lib.a
  LD      drivers/net/wireless/cisco/built-in.o
  LD      fs/lockd/lockd.o
  EXPORTS lib/lib-ksyms.o
  LD      drivers/net/wireless/intel/built-in.o
  LD      drivers/net/wireless/intersil/built-in.o
  LD      drivers/net/wireless/marvell/built-in.o
  LD      fs/lockd/built-in.o
  CC      net/sunrpc/timer.o
  LD      drivers/net/wireless/mediatek/built-in.o
  LD      drivers/net/wireless/realtek/built-in.o
  LD      drivers/net/wireless/ralink/built-in.o
  LD      lib/built-in.o
  LD      drivers/net/wireless/rsi/built-in.o
  LD      drivers/net/wireless/st/built-in.o
  CC [M]  crypto/hmac.o
  CC      net/sunrpc/xdr.o
  LD      drivers/net/wireless/ti/built-in.o
  CC [M]  crypto/sha256_generic.o
  CC      kernel/time/timekeeping_debug.o
  LD      drivers/net/wireless/zydas/built-in.o
  CC [M]  crypto/drbg.o
  LD      drivers/net/wireless/built-in.o
  CC [M]  crypto/jitterentropy.o
  CC      net/sunrpc/sunrpc_syms.o
  CC [M]  crypto/jitterentropy-kcapi.o
  LD      drivers/net/phy/libphy.o
  LD      crypto/crypto.o
  CC      fs/nfs/nfsroot.o
  LD      crypto/crypto_algapi.o
  CC      fs/nfs/sysctl.o
  CC      net/sunrpc/cache.o
  LD      crypto/crypto_hash.o
  LD      crypto/crypto_blkcipher.o
  CC      fs/nfs/nfs2super.o
  LD      fs/proc/proc.o
  LD      crypto/crypto_acompress.o
  LD      crypto/cryptomgr.o
  CC      net/sunrpc/svc_xprt.o
  CC      net/sunrpc/rpc_pipe.o
  CC      fs/nfs/proc.o
  CC      fs/nfs/nfs2xdr.o
  CC      net/ipv4/tcp_minisocks.o
  LD      fs/proc/built-in.o
  CC      drivers/tty/serial/8250/8250_port.o
  CC      fs/nfs/nfs3super.o
  CC      fs/nfs/nfs3proc.o
  CC      fs/nfs/nfs3xdr.o
  CC      fs/nfs/nfs3client.o
  CC      net/sunrpc/xprtmultipath.o
  CC      net/sunrpc/stats.o
  CC      net/ipv4/tcp_cong.o
  CC      drivers/tty/serial/8250/8250_early.o
  CC      net/sunrpc/sysctl.o
  LD      drivers/net/phy/built-in.o
  CC      net/ipv4/tcp_metrics.o
  CC      net/ipv4/tcp_fastopen.o
  CC      drivers/tty/serial/8250/8250_fsl.o
  CC      drivers/tty/serial/8250/8250_of.o
  LD      drivers/net/built-in.o
  CC      net/ipv4/tcp_rate.o
  CC      net/ipv4/tcp_recovery.o
  CC      net/ipv4/tcp_offload.o
  CC      net/ipv4/datagram.o
  CC      net/ipv4/raw.o
  LD [M]  crypto/jitterentropy_rng.o
  LD      crypto/built-in.o
  CC      net/ipv4/udp.o
  CC      net/ipv4/udplite.o
  LD      net/core/built-in.o
  CC      net/ipv4/udp_offload.o
  CC      net/ipv4/arp.o
  LD      drivers/tty/serial/8250/8250.o
  CC      net/ipv4/icmp.o
  CC      net/ipv4/devinet.o
  CC      net/ipv4/af_inet.o
  LD      kernel/time/built-in.o
  LD      kernel/built-in.o
  CC      net/ipv4/igmp.o
  CC      net/ipv4/fib_frontend.o
  CC      net/ipv4/fib_semantics.o
  CC      net/ipv4/fib_trie.o
  LD      drivers/mtd/chips/built-in.o
  CC      net/ipv4/inet_fragment.o
  CC      net/ipv4/ping.o
  CC      net/ipv4/ip_tunnel_core.o
  CC      net/ipv4/gre_offload.o
  LD      drivers/mtd/nand/nand.o
  LD      drivers/mtd/nand/built-in.o
  LD      drivers/mtd/built-in.o
  CC      net/ipv4/proc.o
  CC      net/ipv4/sysctl_net_ipv4.o
  CC      net/ipv4/ipconfig.o
  CC      net/ipv4/inet_diag.o
  CC      net/ipv4/tcp_diag.o
  CC      net/ipv4/tcp_cubic.o
  LD      fs/nfs/nfs.o
  LD      fs/nfs/nfsv2.o
  LD      fs/nfs/nfsv3.o
  LD      fs/nfs/built-in.o
  LD      fs/built-in.o
  LD      net/sunrpc/sunrpc.o
  LD      net/sunrpc/built-in.o
  LD      drivers/tty/serial/8250/8250_base.o
  LD      drivers/tty/serial/8250/built-in.o
  LD      drivers/tty/serial/built-in.o
  LD      drivers/tty/built-in.o
  LD      drivers/built-in.o
  LD      net/ipv4/built-in.o
  LD      net/built-in.o
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      vmlinux.o
  MODPOST vmlinux.o
  KSYM    .tmp_kallsyms1.o
  KSYM    .tmp_kallsyms2.o
  LD      vmlinux
  SORTEX  vmlinux
  SYSMAP  System.map
  Building modules, stage 2.
  MODPOST 5 modules
  BOOTCC  arch/powerpc/boot/4xx.o
  BOOTCC  arch/powerpc/boot/cpm-serial.o
  BOOTAS  arch/powerpc/boot/crt0.o
  BOOTAS  arch/powerpc/boot/crtsavres.o
  COPY    arch/powerpc/boot/zlib.h
  BOOTCC  arch/powerpc/boot/cuboot.o
  COPY    arch/powerpc/boot/zconf.h
  COPY    arch/powerpc/boot/zutil.h
  COPY    arch/powerpc/boot/inffast.h
  COPY    arch/powerpc/boot/inffixed.h
  COPY    arch/powerpc/boot/infutil.h
  COPY    arch/powerpc/boot/inflate.h
  COPY    arch/powerpc/boot/inftrees.h
  COPY    arch/powerpc/boot/fdt.h
  BOOTCC  arch/powerpc/boot/devtree.o
  COPY    arch/powerpc/boot/libfdt.h
  BOOTAS  arch/powerpc/boot/div64.o
  BOOTCC  arch/powerpc/boot/elf_util.o
  COPY    arch/powerpc/boot/libfdt_internal.h
  CC      crypto/drbg.mod.o
  CC      crypto/echainiv.mod.o
  BOOTCC  arch/powerpc/boot/mpc52xx-psc.o
  CC      crypto/sha256_generic.mod.o
  BOOTCC  arch/powerpc/boot/ns16550.o
  CC      crypto/hmac.mod.o
  CC      crypto/jitterentropy_rng.mod.o
  BOOTCC  arch/powerpc/boot/main.o
  BOOTCC  arch/powerpc/boot/mpsc.o
  BOOTCC  arch/powerpc/boot/ofconsole.o
  BOOTCC  arch/powerpc/boot/opal.o
  BOOTCC  arch/powerpc/boot/serial.o
  BOOTCC  arch/powerpc/boot/planetcore.o
  BOOTCC  arch/powerpc/boot/oflib.o
  BOOTAS  arch/powerpc/boot/string.o
  BOOTCC  arch/powerpc/boot/stdio.o
  BOOTCC  arch/powerpc/boot/ep405.o
  BOOTCC  arch/powerpc/boot/stdlib.o
  BOOTCC  arch/powerpc/boot/cuboot-kilauea.o
  BOOTCC  arch/powerpc/boot/simple_alloc.o
  BOOTCC  arch/powerpc/boot/cuboot-hotfoot.o
  BOOTCC  arch/powerpc/boot/uartlite.o
  LDS     arch/powerpc/boot/zImage.lds
  BOOTCC  arch/powerpc/boot/cuboot-acadia.o
  HOSTCC  arch/powerpc/boot/mktree
  COPY    arch/powerpc/boot/inffast.c
  COPY    arch/powerpc/boot/inftrees.c
  COPY    arch/powerpc/boot/inflate.c
  COPY    arch/powerpc/boot/fdt.c
  COPY    arch/powerpc/boot/fdt_rw.c
  COPY    arch/powerpc/boot/fdt_ro.c
  BOOTCC  arch/powerpc/boot/treeboot-walnut.o
  HOSTCC  arch/powerpc/boot/hack-coff
  BOOTAS  arch/powerpc/boot/fixed-head.o
  DTC     arch/powerpc/boot/obs600.dtb
  BOOTCC  arch/powerpc/boot/epapr.o
  HOSTCC  arch/powerpc/boot/addnote
  BOOTAS  arch/powerpc/boot/util.o
  BOOTCC  arch/powerpc/boot/virtex.o
  BOOTAS  arch/powerpc/boot/virtex405-head.o
  COPY    arch/powerpc/boot/fdt_strerror.c
  COPY    arch/powerpc/boot/fdt_wip.c
  COPY    arch/powerpc/boot/fdt_sw.c
  BOOTCC  arch/powerpc/boot/of.o
  BOOTCC  arch/powerpc/boot/empty.o
  BOOTCC  arch/powerpc/boot/inftrees.o
  BOOTCC  arch/powerpc/boot/simpleboot.o
  COPY    arch/powerpc/boot/decompress_inflate.c
  BOOTCC  arch/powerpc/boot/inffast.o
  BOOTCC  arch/powerpc/boot/inflate.o
  BOOTCC  arch/powerpc/boot/fdt.o
  BOOTCC  arch/powerpc/boot/libfdt-wrapper.o
  BOOTCC  arch/powerpc/boot/fdt_rw.o
  BOOTCC  arch/powerpc/boot/fdt_wip.o
  BOOTCC  arch/powerpc/boot/fdt_sw.o
  BOOTCC  arch/powerpc/boot/fdt_strerror.o
  BOOTCC  arch/powerpc/boot/fdt_ro.o
  BOOTCC  arch/powerpc/boot/decompress.o
  LD [M]  crypto/jitterentropy_rng.ko
  LD [M]  crypto/hmac.ko
  LD [M]  crypto/sha256_generic.ko
  LD [M]  crypto/drbg.ko
  LD [M]  crypto/echainiv.ko
  BOOTAR  arch/powerpc/boot/wrapper.a
  WRAP    arch/powerpc/boot/uImage.obs600
INFO: Uncompressed kernel (size 0x48dca0) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Image Name:   Linux-4.11.0-rc3-g9fea59b
Created:      Sat Apr 22 00:47:19 2017
Image Type:   PowerPC Linux Multi-File Image (gzip compressed)
Data Size:    2257606 Bytes = 2204.69 kB = 2.15 MB
Load Address: 00000000
Entry Point:  00000000
Contents:
   Image 0: 2250577 Bytes = 2197.83 kB = 2.15 MB
   Image 1: 3 Bytes = 0.00 kB = 0.00 MB
   Image 2: 7006 Bytes = 6.84 kB = 0.01 MB
rm arch/powerpc/boot/obs600.dtb
make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_40x_obs600_defconfig_powerpc-5.3'
Completed OK
# rm -rf /home/kisskb/slave/build/powerpc-next_40x_obs600_defconfig_powerpc-5.3
# Build took: 0:00:31.095064