# git rev-parse -q --verify 76c3dc8f2af8af627b36113362cd2fb3b8545e25^{commit}
76c3dc8f2af8af627b36113362cd2fb3b8545e25
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commit 76c3dc8f2af8af627b36113362cd2fb3b8545e25
Author: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date:   Thu Jun 30 13:46:39 2016 +1000

    powerpc: Fix build with CONFIG_MEMORY_HOTPLUG on some configs
    
    For memory hotplug to work, the MMU code needs to provide the functions
    create_section_mapping() and remove_section_mapping() to respectively
    map and unmap portions of the linear mapping.
    
    At the moment only hash64 provides these, so we provide weak stubs that
    just error out. This fixes the build with configurations such as 64-bit
    BookE with CONFIG_MEMORY_HOTPLUG enabled.
    
    Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 76c3dc8f2af8af627b36113362cd2fb3b8545e25
# < make -j 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_ppc64_defconfig+NO_ALTIVEC_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ppc64_defconfig
# Added to kconfig CONFIG_ALTIVEC=n
# Added to kconfig CONFIG_PPC_TRANSACTIONAL_MEM=n
# yes \n | make -j 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_ppc64_defconfig+NO_ALTIVEC_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 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_ppc64_defconfig+NO_ALTIVEC_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/mpe_ppc64_defconfig+NO_ALTIVEC_powerpc'
  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/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
  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
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  HOSTCC  scripts/dtc/dtc.o
  HOSTCC  scripts/genksyms/genksyms.o
  CC      scripts/mod/empty.o
  SHIPPED scripts/genksyms/parse.tab.c
  HOSTCC  scripts/mod/mk_elfconfig
  HOSTCC  scripts/conmakehash
  SHIPPED scripts/genksyms/lex.lex.c
  SHIPPED scripts/genksyms/keywords.hash.c
  HOSTCC  scripts/dtc/flattree.o
  CC      scripts/mod/devicetable-offsets.s
  HOSTCC  scripts/dtc/fstree.o
  MKELF   scripts/mod/elfconfig.h
  GEN     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/mod/sumversion.o
  SHIPPED scripts/genksyms/parse.tab.h
  HOSTCC  scripts/genksyms/parse.tab.o
  HOSTCC  scripts/genksyms/lex.lex.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
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/dtc/srcpos.o
  CHK     include/generated/asm-offsets.h
  UPD     include/generated/asm-offsets.h
  CALL    /home/kisskb/slave/src/scripts/checksyscalls.sh
  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
  HOSTLD  scripts/genksyms/genksyms
  HOSTCC  scripts/dtc/dtc-lexer.lex.o
  HOSTCC  scripts/dtc/dtc-parser.tab.o
  HOSTLD  scripts/dtc/dtc
  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
  UPD     include/generated/compile.h
  CC      init/do_mounts_initrd.o
  CC      arch/powerpc/mm/fault.o
  AS      arch/powerpc/lib/string.o
  CC      arch/powerpc/kernel/cputable.o
  CC      arch/powerpc/lib/alloc.o
  AS      arch/powerpc/lib/crtsavres.o
  GEN     usr/initramfs_data.cpio.gz
  CC      arch/powerpc/kernel/ptrace.o
  CC      arch/powerpc/lib/ppc_ksyms.o
  CC      arch/powerpc/kernel/syscalls.o
  CC      arch/powerpc/mm/mem.o
  CC      arch/powerpc/sysdev/mpic.o
  AS      usr/initramfs_data.o
  CC      arch/powerpc/lib/code-patching.o
  CC      arch/powerpc/lib/feature-fixups.o
  LD      usr/built-in.o
  CC      arch/powerpc/kernel/irq.o
/home/kisskb/slave/src/arch/powerpc/mm/mem.c: In function 'create_section_mapping':
/home/kisskb/slave/src/arch/powerpc/mm/mem.c:119:1: error: parameter name omitted
/home/kisskb/slave/src/arch/powerpc/mm/mem.c:119:1: error: parameter name omitted
/home/kisskb/slave/src/arch/powerpc/mm/mem.c: In function 'remove_section_mapping':
/home/kisskb/slave/src/arch/powerpc/mm/mem.c:124:1: error: parameter name omitted
/home/kisskb/slave/src/arch/powerpc/mm/mem.c:124:1: error: parameter name omitted
  CC      arch/powerpc/mm/pgtable.o
/home/kisskb/slave/src/scripts/Makefile.build:289: recipe for target 'arch/powerpc/mm/mem.o' failed
make[2]: *** [arch/powerpc/mm/mem.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  AS      arch/powerpc/lib/checksum_64.o
  CC      init/do_mounts_md.o
  CC      arch/powerpc/kernel/align.o
  CC      arch/powerpc/sysdev/mpic_msi.o
  CC      arch/powerpc/lib/checksum_wrappers.o
/home/kisskb/slave/src/Makefile:985: recipe for target 'arch/powerpc/mm' failed
make[1]: *** [arch/powerpc/mm] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      init/initramfs.o
  CC      init/init_task.o
  CC      arch/powerpc/kernel/signal_32.o
  CC      arch/powerpc/lib/sstep.o
  CC      arch/powerpc/kernel/pmc.o
  AS      arch/powerpc/lib/ldstfp.o
  CC      arch/powerpc/sysdev/mpic_u3msi.o
  CC      arch/powerpc/sysdev/msi_bitmap.o
  CC      arch/powerpc/sysdev/dart_iommu.o
  CC      init/version.o
  CC      arch/powerpc/kernel/vdso.o
  LD      init/mounts.o
  CC      arch/powerpc/sysdev/mmio_nvram.o
  LD      init/built-in.o
  CC      arch/powerpc/kernel/process.o
  CC      arch/powerpc/sysdev/i8259.o
  CC      arch/powerpc/sysdev/dcr.o
  CC      arch/powerpc/sysdev/scom.o
  AS      arch/powerpc/lib/feature-fixups-test.o
  CC      arch/powerpc/sysdev/xics/xics-common.o
  CC [M]  arch/powerpc/sysdev/pmi.o
  CC [M]  arch/powerpc/sysdev/axonram.o
  CC      arch/powerpc/sysdev/xics/icp-native.o
  CPP     arch/powerpc/kernel/systbl_chk.i
  CC      arch/powerpc/kernel/idle.o
  CC      arch/powerpc/kernel/signal.o
  CC      arch/powerpc/kernel/sysfs.o
  CC      arch/powerpc/kernel/cacheinfo.o
  AS      arch/powerpc/lib/copypage_64.o
  CC      arch/powerpc/sysdev/xics/icp-hv.o
  CC      arch/powerpc/sysdev/xics/ics-rtas.o
  CC      arch/powerpc/kernel/time.o
  CC      arch/powerpc/sysdev/xics/ics-opal.o
  CC      arch/powerpc/kernel/prom.o
  AS      arch/powerpc/lib/copyuser_64.o
  LD      arch/powerpc/sysdev/xics/built-in.o
  LD      arch/powerpc/sysdev/built-in.o
  CC      arch/powerpc/kernel/traps.o
  CC      arch/powerpc/lib/usercopy_64.o
  AS      arch/powerpc/lib/mem_64.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
  AS      arch/powerpc/lib/hweight_64.o
  CC      arch/powerpc/kernel/dma.o
  AS      arch/powerpc/kernel/misc_64.o
  AS      arch/powerpc/lib/copyuser_power7.o
  CC      arch/powerpc/kernel/of_platform.o
  CC      arch/powerpc/kernel/prom_parse.o
  CC      arch/powerpc/kernel/setup_64.o
  AS      arch/powerpc/lib/string_64.o
  AS      arch/powerpc/lib/copypage_power7.o
  AS      arch/powerpc/lib/memcpy_power7.o
  AS      arch/powerpc/lib/memcpy_64.o
  AS      arch/powerpc/lib/memcmp_64.o
  CC      arch/powerpc/kernel/sys_ppc32.o
  CC      arch/powerpc/lib/locks.o
  CC      arch/powerpc/kernel/signal_64.o
  CC      arch/powerpc/kernel/ptrace32.o
  CC      arch/powerpc/kernel/paca.o
  CC      arch/powerpc/kernel/nvram_64.o
  CC      arch/powerpc/kernel/firmware.o
  LD      arch/powerpc/lib/built-in.o
  LDS     arch/powerpc/kernel/vdso32/vdso32.lds
  VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o
  LDS     arch/powerpc/kernel/vdso64/vdso64.lds
  VDSO64A arch/powerpc/kernel/vdso64/sigtramp.o
  VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o
  CC      arch/powerpc/kernel/hw_breakpoint.o
  VDSO32A arch/powerpc/kernel/vdso32/datapage.o
  VDSO64A arch/powerpc/kernel/vdso64/gettimeofday.o
  AS      arch/powerpc/kernel/cpu_setup_ppc970.o
  AS      arch/powerpc/kernel/cpu_setup_pa6t.o
  VDSO64A arch/powerpc/kernel/vdso64/datapage.o
  VDSO64A arch/powerpc/kernel/vdso64/cacheflush.o
  AS      arch/powerpc/kernel/cpu_setup_power.o
  VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o
  VDSO64A arch/powerpc/kernel/vdso64/note.o
  VDSO32A arch/powerpc/kernel/vdso32/note.o
  CC      arch/powerpc/kernel/mce.o
  VDSO64A arch/powerpc/kernel/vdso64/getcpu.o
  CC      arch/powerpc/kernel/mce_power.o
  AS      arch/powerpc/kernel/idle_power4.o
  AS      arch/powerpc/kernel/idle_power7.o
  VDSO64L arch/powerpc/kernel/vdso64/vdso64.so.dbg
  CC      arch/powerpc/kernel/proc_powerpc.o
  VDSO32A arch/powerpc/kernel/vdso32/getcpu.o
  CC      arch/powerpc/kernel/rtas.o
  CC      arch/powerpc/kernel/rtas-rtc.o
  OBJCOPY arch/powerpc/kernel/vdso64/vdso64.so
  CC      arch/powerpc/kernel/rtas_pci.o
  AS      arch/powerpc/kernel/vdso64/vdso64_wrapper.o
  VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg
  LD      arch/powerpc/kernel/vdso64/built-in.o
  OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so
  CC      arch/powerpc/kernel/rtasd.o
  AS      arch/powerpc/kernel/vdso32/vdso32_wrapper.o
  LD      arch/powerpc/kernel/vdso32/built-in.o
  CC      arch/powerpc/kernel/rtas-proc.o
  CC      arch/powerpc/kernel/vio.o
  CC      arch/powerpc/kernel/ibmebus.o
  CC      arch/powerpc/kernel/eeh.o
  CC      arch/powerpc/kernel/eeh_pe.o
  CC      arch/powerpc/kernel/eeh_dev.o
  CC      arch/powerpc/kernel/eeh_cache.o
  CC      arch/powerpc/kernel/eeh_driver.o
  CC      arch/powerpc/kernel/eeh_event.o
  CC      arch/powerpc/kernel/eeh_sysfs.o
  CC      arch/powerpc/kernel/smp-tbsync.o
  CC      arch/powerpc/kernel/crash_dump.o
  CC      arch/powerpc/kernel/module.o
  CC      arch/powerpc/kernel/module_64.o
  CC      arch/powerpc/kernel/dbell.o
  CC      arch/powerpc/kernel/jump_label.o
  CC      arch/powerpc/kernel/dma-iommu.o
  CC      arch/powerpc/kernel/iommu.o
  CC      arch/powerpc/kernel/ppc_ksyms.o
  CC      arch/powerpc/kernel/btext.o
  CC      arch/powerpc/kernel/smp.o
  CC      arch/powerpc/kernel/kprobes.o
  CC      arch/powerpc/kernel/legacy_serial.o
  CC      arch/powerpc/kernel/udbg_16550.o
  CC      arch/powerpc/kernel/stacktrace.o
  CC      arch/powerpc/kernel/pci_64.o
  CC      arch/powerpc/kernel/pci_dn.o
  CC      arch/powerpc/kernel/pci-hotplug.o
  CC      arch/powerpc/kernel/isa-bridge.o
  CC      arch/powerpc/kernel/pci-common.o
  CC      arch/powerpc/kernel/pci_of_scan.o
  CC      arch/powerpc/kernel/msi.o
  CC      arch/powerpc/kernel/machine_kexec.o
  CC      arch/powerpc/kernel/crash.o
  CC      arch/powerpc/kernel/machine_kexec_64.o
  CC      arch/powerpc/kernel/io-workarounds.o
  CC      arch/powerpc/kernel/trace_clock.o
  AS      arch/powerpc/kernel/reloc_64.o
  AS      arch/powerpc/kernel/ppc_save_regs.o
  CC      arch/powerpc/kernel/prom_init.o
  AS      arch/powerpc/kernel/head_64.o
  LDS     arch/powerpc/kernel/vmlinux.lds
  AS      arch/powerpc/kernel/fpu.o
  AS      arch/powerpc/kernel/entry_64.o
  CC [M]  arch/powerpc/kernel/rtas_flash.o
  CALL    /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh
  AS      arch/powerpc/kernel/systbl.o
  CALL    /home/kisskb/slave/src/arch/powerpc/kernel/prom_init_check.sh
  LD      arch/powerpc/kernel/built-in.o
make[1]: Leaving directory '/home/kisskb/slave/build/mpe_ppc64_defconfig+NO_ALTIVEC_powerpc'
Makefile:150: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -j 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_ppc64_defconfig+NO_ALTIVEC_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/mpe_ppc64_defconfig+NO_ALTIVEC_powerpc
# Build took: 0:00:17.193484