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74f5c5bd747fa90f41875b7dbada0686e616c3c8
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commit 74f5c5bd747fa90f41875b7dbada0686e616c3c8
Author: Breno Leitao <leitao@debian.org>
Date:   Tue Oct 17 16:20:18 2017 -0200

    powerpc/xmon: Check before calling xive functions
    
    Currently xmon could call XIVE functions from OPAL even if the XIVE is
    disabled or does not exist in the system, as in POWER8 machines. This
    causes the following exception:
    
     1:mon> dx
     cpu 0x1: Vector: 700 (Program Check) at [c000000423c93450]
         pc: c00000000009cfa4: opal_xive_dump+0x50/0x68
         lr: c0000000000997b8: opal_return+0x0/0x50
    
    This patch simply checks if XIVE is enabled before calling XIVE
    functions.
    
    Fixes: 243e25112d06 ("powerpc/xive: Native exploitation of the XIVE interrupt controller")
    Suggested-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
    Signed-off-by: Breno Leitao <leitao@debian.org>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 74f5c5bd747fa90f41875b7dbada0686e616c3c8
# < make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  allyesconfig
# Added to kconfig CONFIG_PROFILE_ALL_BRANCHES=n
# Added to kconfig CONFIG_ENABLE_WARN_DEPRECATED=n
# Added to kconfig CONFIG_ENABLE_MUST_CHECK=n
# Added to kconfig CONFIG_DEBUG_INFO=n
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# yes \n | make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
  CHK     include/config/kernel.release
  GEN     ./Makefile
  WRAP    arch/powerpc/include/generated/uapi/asm/param.h
  WRAP    arch/powerpc/include/generated/uapi/asm/poll.h
  WRAP    arch/powerpc/include/generated/uapi/asm/resource.h
  WRAP    arch/powerpc/include/generated/uapi/asm/statfs.h
  WRAP    arch/powerpc/include/generated/uapi/asm/sockios.h
  CHK     include/generated/uapi/linux/version.h
  UPD     include/generated/uapi/linux/version.h
  HOSTCC  scripts/basic/bin2c
  UPD     include/config/kernel.release
  Using /home/kisskb/slave/src as source for kernel
  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
  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
  WRAP    arch/powerpc/include/generated/asm/vtime.h
  WRAP    arch/powerpc/include/generated/asm/msi.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  HOSTCC  scripts/dtc/dtc.o
  HOSTCC  scripts/genksyms/genksyms.o
  SHIPPED scripts/genksyms/parse.tab.c
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  SHIPPED scripts/genksyms/lex.lex.c
  CC      scripts/mod/devicetable-offsets.s
  HOSTCC  scripts/dtc/flattree.o
  MKELF   scripts/mod/elfconfig.h
  CHK     scripts/mod/devicetable-offsets.h
  UPD     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/mod/sumversion.o
  CC      kernel/bounds.s
  CHK     include/generated/timeconst.h
  UPD     include/generated/timeconst.h
  CHK     include/generated/bounds.h
  UPD     include/generated/bounds.h
  CC      arch/powerpc/kernel/asm-offsets.s
  SHIPPED scripts/genksyms/parse.tab.h
  HOSTCC  scripts/selinux/genheaders/genheaders
  HOSTCC  scripts/selinux/mdp/mdp
  HOSTCC  scripts/genksyms/parse.tab.o
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/dtc/fstree.o
  HOSTCC  scripts/genksyms/lex.lex.o
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  CHK     include/generated/asm-offsets.h
  UPD     include/generated/asm-offsets.h
  CALL    /home/kisskb/slave/src/scripts/checksyscalls.sh
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/conmakehash
  HOSTCC  scripts/sortextable
  HOSTCC  scripts/asn1_compiler
  HOSTCC  scripts/extract-cert
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/dtc/srcpos.o
  HOSTLD  scripts/genksyms/genksyms
  HOSTCC  scripts/insert-sys-cert
  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
  HOSTLD  scripts/mod/modpost
  HOSTLD  scripts/dtc/dtc
  CC      init/main.o
  HOSTCC  usr/gen_init_cpio
  CC      arch/powerpc/mm/fault.o
  CC      arch/powerpc/kernel/cputable.o
  CC      arch/powerpc/kernel/ptrace.o
  GEN     usr/initramfs_data.cpio
  AS      usr/initramfs_data.o
  AR      usr/built-in.o
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/do_mounts.o
  AS      arch/powerpc/lib/string.o
  CC      init/do_mounts_rd.o
  CC      init/do_mounts_initrd.o
  CC      init/do_mounts_md.o
  CC      arch/powerpc/mm/mem.o
  CC      init/initramfs.o
  CC      arch/powerpc/lib/alloc.o
  CC      arch/powerpc/lib/code-patching.o
  CC      arch/powerpc/lib/feature-fixups.o
  AS      arch/powerpc/lib/checksum_64.o
  CC      init/init_task.o
  CC      arch/powerpc/mm/pgtable.o
  CC      arch/powerpc/kernel/syscalls.o
  CC      arch/powerpc/mm/mmap.o
  CC      arch/powerpc/lib/checksum_wrappers.o
  CC      init/version.o
  CC      arch/powerpc/sysdev/mpic.o
  CC      arch/powerpc/sysdev/mpic_msi.o
  CC      arch/powerpc/lib/sstep.o
  AR      init/mounts.o
  AS      arch/powerpc/lib/ldstfp.o
  AR      init/built-in.o
  AS      arch/powerpc/lib/quad.o
  CC      arch/powerpc/sysdev/mpic_u3msi.o
  CC      arch/powerpc/kernel/irq.o
  CC      arch/powerpc/mm/init_64.o
  CC      arch/powerpc/kernel/align.o
  CC      arch/powerpc/kernel/signal_32.o
  AS      arch/powerpc/lib/feature-fixups-test.o
  CC      arch/powerpc/mm/pgtable_64.o
  CC      arch/powerpc/platforms/cell/cbe_regs.o
  CC      arch/powerpc/lib/xor_vmx.o
  CC      arch/powerpc/kernel/pmc.o
  CC      arch/powerpc/kernel/vdso.o
  CC      arch/powerpc/platforms/cell/interrupt.o
  AR      arch/powerpc/math-emu/built-in.o
  AS      arch/powerpc/crypto/md5-asm.o
  CC      arch/powerpc/crypto/md5-glue.o
  AS      arch/powerpc/net/bpf_jit_asm64.o
  CC      arch/powerpc/mm/init-common.o
  CC      arch/powerpc/net/bpf_jit_comp64.o
  CC      arch/powerpc/lib/xor_vmx_glue.o
  AS      arch/powerpc/lib/copypage_64.o
  CC      arch/powerpc/kernel/process.o
  CC      arch/powerpc/sysdev/mpic_msgr.o
  CC      arch/powerpc/sysdev/msi_bitmap.o
  AS      arch/powerpc/crypto/sha1-powerpc-asm.o
  CC      arch/powerpc/crypto/sha1.o
  CC      arch/powerpc/mm/mmu_context.o
  CC      arch/powerpc/platforms/cell/pervasive.o
  CC      arch/powerpc/platforms/maple/setup.o
  CC      arch/powerpc/mm/pgtable-hash64.o
  AS      arch/powerpc/lib/copyuser_64.o
  AS      arch/powerpc/crypto/crc32c-vpmsum_asm.o
  CC      arch/powerpc/crypto/crc32c-vpmsum_glue.o
  CC      arch/powerpc/platforms/cell/iommu.o
  CC      arch/powerpc/platforms/cell/setup.o
  CC      arch/powerpc/sysdev/pmi.o
  AS      arch/powerpc/lib/mem_64.o
  CC      arch/powerpc/platforms/maple/pci.o
  AS      arch/powerpc/lib/hweight_64.o
  AS      arch/powerpc/crypto/crct10dif-vpmsum_asm.o
  AS      arch/powerpc/lib/copyuser_power7.o
  CC      arch/powerpc/crypto/crct10dif-vpmsum_glue.o
  AS      arch/powerpc/lib/string_64.o
  AR      arch/powerpc/net/built-in.o
  CC      arch/powerpc/mm/hash_utils_64.o
  CC      arch/powerpc/sysdev/dart_iommu.o
  CPP     arch/powerpc/kernel/systbl_chk.i
  CC      arch/powerpc/kernel/idle.o
  CC      arch/powerpc/crypto/crc-vpmsum_test.o
  AS      arch/powerpc/lib/copypage_power7.o
  CC      arch/powerpc/platforms/cell/spider-pic.o
  AS      arch/powerpc/lib/memcpy_power7.o
  AS      arch/powerpc/lib/memcpy_64.o
  CC      arch/powerpc/platforms/maple/time.o
  CC      arch/powerpc/platforms/pasemi/setup.o
  AS      arch/powerpc/lib/memcmp_64.o
  CC      arch/powerpc/lib/locks.o
  CC      arch/powerpc/platforms/cell/pmu.o
  CC      arch/powerpc/platforms/cell/spider-pci.o
  AR      arch/powerpc/crypto/md5-ppc.o
  AR      arch/powerpc/crypto/sha1-powerpc.o
  AR      arch/powerpc/crypto/crc32c-vpmsum.o
  AR      arch/powerpc/crypto/crct10dif-vpmsum.o
  AR      arch/powerpc/crypto/built-in.o
  CC      arch/powerpc/lib/vmx-helper.o
  CC      arch/powerpc/kernel/signal.o
  CC      arch/powerpc/platforms/powermac/pic.o
  CC      arch/powerpc/sysdev/mmio_nvram.o
  AR      arch/powerpc/platforms/maple/built-in.o
  CC      arch/powerpc/platforms/powermac/setup.o
  CC      arch/powerpc/lib/test_emulate_step.o
  CC      arch/powerpc/platforms/pasemi/pci.o
  AS      arch/powerpc/lib/crtsavres.o
  CC      arch/powerpc/sysdev/fsl_lbc.o
  CC      arch/powerpc/sysdev/simple_gpio.o
  CC      arch/powerpc/kernel/sysfs.o
  AS      arch/powerpc/mm/slb_low.o
  CC      arch/powerpc/platforms/cell/ras.o
  CC      arch/powerpc/platforms/powermac/time.o
  CC      arch/powerpc/mm/slb.o
  AR      arch/powerpc/lib/built-in.o
  CC      arch/powerpc/mm/hash_native_64.o
  CC      arch/powerpc/xmon/xmon.o
  CC      arch/powerpc/platforms/pasemi/time.o
  CC      arch/powerpc/sysdev/rtc_cmos_setup.o
  CC      arch/powerpc/platforms/powermac/feature.o
  CC      arch/powerpc/platforms/pasemi/idle.o
  CC      arch/powerpc/kvm/book3s_exports.o
  CC      arch/powerpc/platforms/cell/cbe_thermal.o
  AS      arch/powerpc/platforms/pasemi/powersave.o
  CC      arch/powerpc/platforms/cell/cpufreq_spudemand.o
  CC      arch/powerpc/sysdev/axonram.o
  CC      arch/powerpc/platforms/pasemi/iommu.o
  CC      arch/powerpc/kvm/../../../virt/kvm/kvm_main.o
  CC      arch/powerpc/platforms/cell/cbe_powerbutton.o
  CC      arch/powerpc/platforms/cell/smp.o
  CC      arch/powerpc/kernel/cacheinfo.o
  CC      arch/powerpc/sysdev/i8259.o
  CC      arch/powerpc/mm/mmu_context_book3s64.o
  CC      arch/powerpc/platforms/powermac/pci.o
  CC      arch/powerpc/platforms/pasemi/dma_lib.o
  CC      arch/powerpc/platforms/pasemi/misc.o
  CC      arch/powerpc/platforms/cell/spu_callbacks.o
  CC      arch/powerpc/sysdev/dcr.o
  CC      arch/powerpc/kernel/time.o
  CC      arch/powerpc/mm/pgtable-book3s64.o
  AS      arch/powerpc/platforms/powermac/sleep.o
  CC      arch/powerpc/platforms/powermac/low_i2c.o
  AS      arch/powerpc/platforms/powermac/cache.o
  CC      arch/powerpc/kernel/prom.o
  CC      arch/powerpc/xmon/nonstdio.o
  CC      arch/powerpc/platforms/pasemi/gpio_mdio.o
  CC      arch/powerpc/sysdev/scom.o
  CC      arch/powerpc/platforms/cell/spu_base.o
  AS      arch/powerpc/xmon/spr_access.o
  CC      arch/powerpc/xmon/ppc-dis.o
  CC      arch/powerpc/xmon/ppc-opc.o
  CC      arch/powerpc/mm/pgtable-radix.o
  CC      arch/powerpc/platforms/pasemi/msi.o
  CC      arch/powerpc/sysdev/xics/xics-common.o
  CC      arch/powerpc/sysdev/xics/icp-native.o
  CC      arch/powerpc/kernel/traps.o
  CC      arch/powerpc/platforms/cell/spu_notify.o
  CC      arch/powerpc/platforms/powermac/pfunc_core.o
  AR      arch/powerpc/platforms/pasemi/built-in.o
  CC      arch/powerpc/platforms/powermac/pfunc_base.o
  CC      arch/powerpc/platforms/powermac/udbg_scc.o
  CC      arch/powerpc/mm/tlb-radix.o
  CC      arch/powerpc/platforms/cell/spu_syscalls.o
  CC      arch/powerpc/xmon/spu-dis.o
  CC      arch/powerpc/sysdev/xics/icp-hv.o
  CC      arch/powerpc/xmon/spu-opc.o
  CC      arch/powerpc/kvm/../../../virt/kvm/eventfd.o
  AR      arch/powerpc/xmon/built-in.o
  CC      arch/powerpc/kvm/../../../virt/kvm/vfio.o
  CC      arch/powerpc/kvm/../../../virt/kvm/coalesced_mmio.o
  CC      arch/powerpc/sysdev/xive/common.o
  CC      arch/powerpc/sysdev/xics/ics-rtas.o
  CC      arch/powerpc/platforms/powermac/udbg_adb.o
  CC      arch/powerpc/kernel/setup-common.o
  CC      arch/powerpc/platforms/cell/spu_priv1_mmio.o
  CC      arch/powerpc/kernel/udbg.o
  CC      arch/powerpc/platforms/cell/spu_manage.o
  CC      arch/powerpc/sysdev/xics/ics-opal.o
  CC      arch/powerpc/platforms/powermac/nvram.o
  CC      arch/powerpc/sysdev/xics/icp-opal.o
  CC      arch/powerpc/platforms/powernv/setup.o
  CC      arch/powerpc/mm/tlb_hash64.o
  CC      arch/powerpc/kvm/powerpc.o
  CC      arch/powerpc/sysdev/xive/native.o
  CC      arch/powerpc/platforms/ps3/setup.o
  AR      arch/powerpc/sysdev/xics/built-in.o
  AS      arch/powerpc/kernel/misc.o
  CC      arch/powerpc/platforms/pseries/lpar.o
  CC      arch/powerpc/platforms/cell/spufs/inode.o
  CC      arch/powerpc/kernel/io.o
  CC      arch/powerpc/mm/hash64_4k.o
  CC      arch/powerpc/platforms/powermac/smp.o
  AS      arch/powerpc/platforms/powernv/opal-wrappers.o
  CC      arch/powerpc/platforms/powernv/opal.o
  CC      arch/powerpc/perf/callchain.o
  CC      arch/powerpc/mm/numa.o
  CC      arch/powerpc/sysdev/xive/spapr.o
  CC      arch/powerpc/platforms/ps3/mm.o
  CC      arch/powerpc/kernel/dma.o
  AR      arch/powerpc/platforms/powermac/built-in.o
  AS      arch/powerpc/kernel/misc_64.o
  CC      arch/powerpc/platforms/powernv/opal-async.o
  CC      arch/powerpc/perf/perf_regs.o
  AS      arch/powerpc/platforms/pseries/hvCall.o
  CC      arch/powerpc/platforms/pseries/nvram.o
  CC      arch/powerpc/platforms/cell/spufs/file.o
  AR      arch/powerpc/sysdev/xive/built-in.o
  AR      arch/powerpc/sysdev/built-in.o
  CC      arch/powerpc/platforms/cell/spufs/context.o
  CC      arch/powerpc/kvm/emulate_loadstore.o
  CC      arch/powerpc/kvm/book3s.o
  CC      arch/powerpc/perf/core-book3s.o
  CC      arch/powerpc/kernel/of_platform.o
  CC      arch/powerpc/platforms/pseries/reconfig.o
  CC      arch/powerpc/platforms/ps3/time.o
  AS      arch/powerpc/platforms/ps3/hvcall.o
  CC      arch/powerpc/platforms/powernv/idle.o
  CC      arch/powerpc/platforms/powernv/opal-rtc.o
  CC      arch/powerpc/mm/vphn.o
  CC      arch/powerpc/mm/slice.o
  CC      arch/powerpc/kernel/prom_parse.o
  CC      arch/powerpc/mm/hugetlbpage.o
  CC      arch/powerpc/platforms/ps3/htab.o
  CC      arch/powerpc/platforms/pseries/of_helpers.o
  CC      arch/powerpc/kernel/setup_64.o
  CC      arch/powerpc/platforms/pseries/setup.o
  CC      arch/powerpc/kvm/book3s_rtas.o
  CC      arch/powerpc/kvm/book3s_xics.o
  AS      arch/powerpc/perf/bhrb.o
  CC      arch/powerpc/platforms/powernv/opal-nvram.o
  CC      arch/powerpc/perf/imc-pmu.o
  CC      arch/powerpc/platforms/ps3/repository.o
  CC      arch/powerpc/platforms/cell/spufs/syscalls.o
  CC      arch/powerpc/platforms/ps3/interrupt.o
  CC      arch/powerpc/platforms/cell/spufs/sched.o
  CC      arch/powerpc/platforms/powernv/opal-lpc.o
  CC      arch/powerpc/platforms/cell/spufs/backing_ops.o
  CC      arch/powerpc/kernel/sys_ppc32.o
  CC      arch/powerpc/mm/hugetlbpage-hash64.o
  CC      arch/powerpc/platforms/pseries/iommu.o
  CC      arch/powerpc/mm/hugetlbpage-radix.o
  CC      arch/powerpc/perf/hv-24x7.o
  CC      arch/powerpc/kernel/signal_64.o
  CC      arch/powerpc/platforms/powernv/opal-flash.o
  CC      arch/powerpc/mm/hugepage-hash64.o
  CC      arch/powerpc/platforms/ps3/exports.o
  CC      arch/powerpc/platforms/ps3/os-area.o
  CC      arch/powerpc/kvm/book3s_xive.o
  CC      arch/powerpc/platforms/powernv/rng.o
  CC      arch/powerpc/platforms/cell/axon_msi.o
  CC      arch/powerpc/mm/copro_fault.o
  CC      arch/powerpc/perf/hv-gpci.o
  CC      arch/powerpc/platforms/cell/spufs/hw_ops.o
  CC      arch/powerpc/platforms/pseries/event_sources.o
  CC      arch/powerpc/kernel/ptrace32.o
  CC      arch/powerpc/platforms/powernv/opal-elog.o
  CC      arch/powerpc/platforms/powernv/opal-dump.o
  CC      arch/powerpc/kernel/paca.o
  CC      arch/powerpc/platforms/pseries/ras.o
  CC      arch/powerpc/platforms/ps3/system-bus.o
  CC      arch/powerpc/platforms/cell/spufs/run.o
  CC      arch/powerpc/mm/mmu_context_iommu.o
  CC      arch/powerpc/perf/hv-common.o
  CC      arch/powerpc/perf/power4-pmu.o
  CC      arch/powerpc/platforms/cell/spufs/gang.o
  CC      arch/powerpc/platforms/powernv/opal-sysparam.o
  CC      arch/powerpc/kvm/book3s_64_vio.o
  CC      arch/powerpc/platforms/pseries/firmware.o
  CC      arch/powerpc/kernel/nvram_64.o
  CC      arch/powerpc/platforms/powernv/opal-sensor.o
  CC      arch/powerpc/platforms/powernv/opal-msglog.o
  CC      arch/powerpc/perf/ppc970-pmu.o
  SHIPPED arch/powerpc/platforms/cell/spufs/spu_save_dump.h
  SHIPPED arch/powerpc/platforms/cell/spufs/spu_restore_dump.h
  CC      arch/powerpc/platforms/cell/spufs/fault.o
  CC      arch/powerpc/perf/power5-pmu.o
  CC      arch/powerpc/platforms/pseries/power.o
  CC      arch/powerpc/platforms/pseries/dlpar.o
  CC      arch/powerpc/platforms/ps3/gelic_udbg.o
  CC      arch/powerpc/mm/dump_linuxpagetables.o
  CC      arch/powerpc/platforms/powernv/opal-hmi.o
  CC      arch/powerpc/platforms/cell/spufs/lscsa_alloc.o
  CC      arch/powerpc/mm/dump_hashpagetable.o
  CC      arch/powerpc/platforms/pseries/mobility.o
  CC      arch/powerpc/perf/power5+-pmu.o
  CC      arch/powerpc/kernel/firmware.o
  AS      arch/powerpc/kvm/fpu.o
  CC      arch/powerpc/kernel/trace/ftrace.o
  CC      arch/powerpc/kvm/emulate.o
  CC      arch/powerpc/kvm/book3s_paired_singles.o
  CC      arch/powerpc/platforms/powernv/opal-power.o
  CC      arch/powerpc/platforms/cell/spufs/coredump.o
  CC      arch/powerpc/platforms/powernv/opal-irqchip.o
  AR      arch/powerpc/mm/built-in.o
  CC      arch/powerpc/platforms/ps3/smp.o
  CC      arch/powerpc/platforms/pseries/rng.o
  CC      arch/powerpc/perf/power6-pmu.o
  LDS     arch/powerpc/kernel/vdso32/vdso32.lds
  CC      arch/powerpc/kernel/trace/trace_clock.o
  VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o
  VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o
  VDSO32A arch/powerpc/kernel/vdso32/datapage.o
  VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o
  AS      arch/powerpc/kernel/trace/ftrace_64.o
  LDS     arch/powerpc/kernel/vdso64/vdso64.lds
  VDSO32A arch/powerpc/kernel/vdso32/note.o
  AS      arch/powerpc/kernel/vdso64/sigtramp.o
  VDSO32A arch/powerpc/kernel/vdso32/getcpu.o
  AS      arch/powerpc/kernel/vdso64/gettimeofday.o
  VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg
  OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so
  AS      arch/powerpc/kernel/vdso32/vdso32_wrapper.o
  AS      arch/powerpc/kernel/trace/ftrace_64_pg.o
  AS      arch/powerpc/kernel/vdso64/datapage.o
  CC      arch/powerpc/platforms/cell/spufs/switch.o
  AR      arch/powerpc/kernel/vdso32/built-in.o
  CC      arch/powerpc/platforms/powernv/opal-kmsg.o
  AS      arch/powerpc/kernel/vdso64/cacheflush.o
  AS      arch/powerpc/purgatory/trampoline.o
  AR      arch/powerpc/kernel/trace/built-in.o
  AS      arch/powerpc/kernel/vdso64/note.o
  AS      arch/powerpc/kernel/vdso64/getcpu.o
  LD      arch/powerpc/purgatory/purgatory.ro
  CC      arch/powerpc/platforms/ps3/spu.o
  BIN2C   arch/powerpc/purgatory/kexec-purgatory.c
  CC      arch/powerpc/purgatory/kexec-purgatory.o
  VDSO64L arch/powerpc/kernel/vdso64/vdso64.so.dbg
  CC      arch/powerpc/platforms/pseries/pci.o
  OBJCOPY arch/powerpc/kernel/vdso64/vdso64.so
  AS      arch/powerpc/kernel/vdso64/vdso64_wrapper.o
  AR      arch/powerpc/purgatory/built-in.o
  CC      arch/powerpc/kvm/book3s_pr.o
  CC      arch/powerpc/platforms/pseries/pci_dlpar.o
  CC      arch/powerpc/kernel/watchdog.o
  CC      arch/powerpc/kernel/hw_breakpoint.o
  AR      arch/powerpc/kernel/vdso64/built-in.o
  CC      arch/powerpc/platforms/pseries/eeh_pseries.o
  CC      arch/powerpc/perf/power7-pmu.o
  CC      arch/powerpc/platforms/powernv/opal-powercap.o
/home/kisskb/slave/src/arch/powerpc/kernel/watchdog.c: In function 'start_watchdog_timer_on':
/home/kisskb/slave/src/arch/powerpc/kernel/watchdog.c:294:2: error: implicit declaration of function 'timer_setup' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
/home/kisskb/slave/src/scripts/Makefile.build:311: recipe for target 'arch/powerpc/kernel/watchdog.o' failed
make[2]: *** [arch/powerpc/kernel/watchdog.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      arch/powerpc/platforms/pseries/msi.o
  CC      arch/powerpc/platforms/ps3/device-init.o
  CC      arch/powerpc/platforms/powernv/opal-psr.o
/home/kisskb/slave/src/Makefile:1019: recipe for target 'arch/powerpc/kernel' failed
make[1]: *** [arch/powerpc/kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      arch/powerpc/platforms/pseries/smp.o
  CC      arch/powerpc/kvm/book3s_pr_papr.o
  CC      arch/powerpc/platforms/powernv/opal-sensor-groups.o
  CC      arch/powerpc/perf/isa207-common.o
  CC      arch/powerpc/platforms/pseries/scanlog.o
  CC      arch/powerpc/perf/power8-pmu.o
  AR      arch/powerpc/platforms/cell/spufs/spufs.o
  AR      arch/powerpc/platforms/cell/spufs/built-in.o
  AR      arch/powerpc/platforms/cell/built-in.o
  CC      arch/powerpc/perf/power9-pmu.o
  CC      arch/powerpc/platforms/powernv/smp.o
/home/kisskb/slave/src/arch/powerpc/platforms/ps3/device-init.c: In function 'ps3_probe_thread':
/home/kisskb/slave/src/arch/powerpc/platforms/ps3/device-init.c:888:1: warning: the frame size of 2112 bytes is larger than 2048 bytes [-Wframe-larger-than=]
  CC      arch/powerpc/kvm/book3s_emulate.o
  AS      arch/powerpc/kvm/book3s_interrupts.o
  CC      arch/powerpc/platforms/pseries/kexec.o
  CC      arch/powerpc/platforms/pseries/pseries_energy.o
  CC      arch/powerpc/kvm/book3s_mmu_hpte.o
  AR      arch/powerpc/platforms/ps3/built-in.o
  CC      arch/powerpc/platforms/pseries/hotplug-cpu.o
  CC      arch/powerpc/platforms/pseries/hotplug-memory.o
  CC      arch/powerpc/platforms/pseries/hvconsole.o
  AR      arch/powerpc/perf/built-in.o
  CC      arch/powerpc/platforms/powernv/subcore.o
  AS      arch/powerpc/platforms/powernv/subcore-asm.o
  CC      arch/powerpc/platforms/pseries/hvcserver.o
  CC      arch/powerpc/platforms/pseries/hvCall_inst.o
  CC      arch/powerpc/platforms/pseries/cmm.o
  CC      arch/powerpc/platforms/pseries/dtl.o
  CC      arch/powerpc/platforms/powernv/pci.o
  CC      arch/powerpc/platforms/pseries/io_event_irq.o
  CC      arch/powerpc/kvm/book3s_64_mmu_host.o
  CC      arch/powerpc/kvm/book3s_64_mmu.o
  CC      arch/powerpc/platforms/pseries/lparcfg.o
  CC      arch/powerpc/platforms/powernv/pci-ioda.o
  CC      arch/powerpc/kvm/book3s_32_mmu.o
  CC      arch/powerpc/kvm/book3s_hv.o
  CC      arch/powerpc/platforms/pseries/vio.o
  CC      arch/powerpc/platforms/pseries/ibmebus.o
  CC      arch/powerpc/platforms/powernv/npu-dma.o
  CC      arch/powerpc/platforms/powernv/pci-cxl.o
  CC      arch/powerpc/platforms/pseries/suspend.o
  CC      arch/powerpc/platforms/powernv/eeh-powernv.o
  AS      arch/powerpc/kvm/book3s_hv_interrupts.o
  CC      arch/powerpc/kvm/book3s_64_mmu_hv.o
  CC      arch/powerpc/platforms/powernv/opal-xscom.o
  CC      arch/powerpc/platforms/powernv/opal-memory-errors.o
  CC      arch/powerpc/platforms/powernv/opal-tracepoints.o
  CC      arch/powerpc/platforms/powernv/opal-prd.o
  CC      arch/powerpc/platforms/powernv/opal-imc.o
  CC      arch/powerpc/platforms/powernv/memtrace.o
  CC      arch/powerpc/kvm/book3s_64_mmu_radix.o
  AR      arch/powerpc/platforms/pseries/built-in.o
  CC      arch/powerpc/kvm/book3s_64_vio_hv.o
  AS      arch/powerpc/kvm/book3s_rmhandlers.o
  CC      arch/powerpc/kvm/book3s_hv_hmi.o
  AS      arch/powerpc/kvm/book3s_hv_rmhandlers.o
  CC      arch/powerpc/kvm/book3s_hv_rm_mmu.o
  CC      arch/powerpc/kvm/book3s_hv_ras.o
  CC      arch/powerpc/kvm/book3s_hv_builtin.o
  CC      arch/powerpc/kvm/book3s_hv_rm_xics.o
  CC      arch/powerpc/kvm/book3s_hv_rm_xive.o
  AR      arch/powerpc/kvm/kvm.o
  AR      arch/powerpc/platforms/powernv/built-in.o
  AR      arch/powerpc/kvm/kvm-pr.o
  AR      arch/powerpc/platforms/built-in.o
  AR      arch/powerpc/kvm/kvm-hv.o
  AR      arch/powerpc/kvm/built-in.o
make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc'
Makefile:145: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ' returned non-zero exit status 2
# rm -rf /home/kisskb/slave/build/powerpc-next_powerpc-allyesconfig_powerpc
# Build took: 0:00:31.778338