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5c277ef29839146099f1ab45f0cfd8fbb7abd1d8
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commit 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8
Author: Balbir Singh <bsingharora@gmail.com>
Date:   Tue Jun 27 17:49:03 2017 +1000

    powerpc/Kconfig: Enable STRICT_KERNEL_RWX
    
    We have the basic support in the form of patching R/O
    text sections, linker scripts for extending alignment
    of text data. We've also got mark_rodata_ro()
    
    NOTE: There is a temporary work-around for disabling
    STRICT_KERNEL_RWX if CONFIG_HIBERNATION is enabled
    
    Signed-off-by: Balbir Singh <bsingharora@gmail.com>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8
# < make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  85xx/ge_imp3a_defconfig
# make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_85xx_ge_imp3a_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_85xx_ge_imp3a_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
  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
  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/sockios.h
  WRAP    arch/powerpc/include/generated/uapi/asm/statfs.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/dtc/dtc.o
  CC      scripts/mod/empty.o
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/mod/mk_elfconfig
  HOSTCC  scripts/conmakehash
  HOSTCC  scripts/sortextable
  CC      scripts/mod/devicetable-offsets.s
  HOSTCC  scripts/dtc/flattree.o
  HOSTCC  scripts/dtc/fstree.o
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/dtc/livetree.o
  CHK     scripts/mod/devicetable-offsets.h
  UPD     scripts/mod/devicetable-offsets.h
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/sumversion.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
  CHK     include/generated/bounds.h
  UPD     include/generated/bounds.h
  CC      arch/powerpc/kernel/asm-offsets.s
  HOSTLD  scripts/dtc/dtc
  CHK     include/generated/asm-offsets.h
  UPD     include/generated/asm-offsets.h
  CALL    /home/kisskb/slave/src/scripts/checksyscalls.sh
  HOSTLD  scripts/mod/modpost
  CC      init/main.o
  CHK     include/generated/compile.h
  HOSTCC  usr/gen_init_cpio
  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      arch/powerpc/mm/fault.o
  CC      arch/powerpc/mm/mem.o
  CC      arch/powerpc/kernel/cputable.o
  CC      arch/powerpc/kernel/ptrace.o
  GEN     usr/initramfs_data.cpio.gz
  AS      usr/initramfs_data.o
  LD      usr/built-in.o
  AS      arch/powerpc/lib/string.o
  CC      arch/powerpc/sysdev/mpic.o
  CC      arch/powerpc/lib/alloc.o
  CC      arch/powerpc/sysdev/mpic_msi.o
  CC      arch/powerpc/sysdev/mpic_u3msi.o
  CC      arch/powerpc/sysdev/msi_bitmap.o
  CC      arch/powerpc/mm/pgtable.o
  CC      arch/powerpc/mm/mmap.o
  CC      arch/powerpc/lib/code-patching.o
  CC      arch/powerpc/mm/init_32.o
  CC      arch/powerpc/mm/pgtable_32.o
  CC      init/version.o
  CC      arch/powerpc/sysdev/mmio_nvram.o
  CC      arch/powerpc/mm/init-common.o
  CC      arch/powerpc/platforms/85xx/smp.o
  CC      arch/powerpc/kernel/syscalls.o
  LD      init/mounts.o
  LD      init/built-in.o
  CC      arch/powerpc/kernel/irq.o
  CC      arch/powerpc/kernel/align.o
  CC      arch/powerpc/lib/feature-fixups.o
  AS      arch/powerpc/lib/div64.o
  CC      arch/powerpc/math-emu/math.o
  LD      arch/powerpc/crypto/built-in.o
  LD      arch/powerpc/net/built-in.o
  CC      arch/powerpc/mm/mmu_context_nohash.o
  CC      arch/powerpc/math-emu/fre.o
  CC      arch/powerpc/math-emu/fsqrt.o
In file included from /home/kisskb/slave/src/include/linux/delay.h:25:0,
                 from /home/kisskb/slave/src/arch/powerpc/platforms/85xx/smp.c:17:
/home/kisskb/slave/src/arch/powerpc/platforms/85xx/smp.c: In function 'smp_85xx_start_cpu':
/home/kisskb/slave/src/arch/powerpc/include/asm/delay.h:67:3: error: implicit declaration of function 'spin_begin' [-Werror=implicit-function-declaration]
   spin_begin();                                                  \
   ^
/home/kisskb/slave/src/arch/powerpc/platforms/85xx/smp.c:243:8: note: in expansion of macro 'spin_event_timeout'
   if (!spin_event_timeout(
        ^
/home/kisskb/slave/src/arch/powerpc/include/asm/delay.h:70:4: error: implicit declaration of function 'spin_cpu_relax' [-Werror=implicit-function-declaration]
    spin_cpu_relax();                                      \
    ^
/home/kisskb/slave/src/arch/powerpc/platforms/85xx/smp.c:243:8: note: in expansion of macro 'spin_event_timeout'
   if (!spin_event_timeout(
        ^
/home/kisskb/slave/src/arch/powerpc/include/asm/delay.h:71:3: error: implicit declaration of function 'spin_end' [-Werror=implicit-function-declaration]
   spin_end();                                                    \
   ^
/home/kisskb/slave/src/arch/powerpc/platforms/85xx/smp.c:243:8: note: in expansion of macro 'spin_event_timeout'
   if (!spin_event_timeout(
        ^
  AS      arch/powerpc/lib/copy_32.o
  AS      arch/powerpc/lib/crtsavres.o
  AS      arch/powerpc/lib/checksum_32.o
  CC      arch/powerpc/lib/checksum_wrappers.o
cc1: all warnings being treated as errors
/home/kisskb/slave/src/scripts/Makefile.build:302: recipe for target 'arch/powerpc/platforms/85xx/smp.o' failed
make[3]: *** [arch/powerpc/platforms/85xx/smp.o] Error 1
/home/kisskb/slave/src/scripts/Makefile.build:561: recipe for target 'arch/powerpc/platforms/85xx' failed
make[2]: *** [arch/powerpc/platforms/85xx] Error 2
/home/kisskb/slave/src/Makefile:1016: recipe for target 'arch/powerpc/platforms' failed
make[1]: *** [arch/powerpc/platforms] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      arch/powerpc/math-emu/fsqrts.o
  CC      arch/powerpc/sysdev/fsl_soc.o
  CC      arch/powerpc/sysdev/fsl_mpic_err.o
  CC      arch/powerpc/sysdev/fsl_pci.o
  CC      arch/powerpc/math-emu/frsqrtes.o
  CC      arch/powerpc/mm/tlb_nohash.o
  AS      arch/powerpc/mm/tlb_nohash_low.o
  CC      arch/powerpc/kernel/signal_32.o
  CC      arch/powerpc/kernel/pmc.o
  LD      arch/powerpc/lib/built-in.o
  CC      arch/powerpc/kernel/vdso.o
  CC      arch/powerpc/kernel/process.o
  CPP     arch/powerpc/kernel/systbl_chk.i
  CC      arch/powerpc/mm/fsl_booke_mmu.o
  CC      arch/powerpc/math-emu/mtfsf.o
  CC      arch/powerpc/mm/hugetlbpage.o
  CC      arch/powerpc/math-emu/mtfsfi.o
  CC      arch/powerpc/mm/highmem.o
  CC      arch/powerpc/math-emu/fabs.o
  CC      arch/powerpc/sysdev/fsl_msi.o
  CC      arch/powerpc/sysdev/fsl_pmc.o
  CC      arch/powerpc/math-emu/fadd.o
  CC      arch/powerpc/sysdev/fsl_lbc.o
  CC      arch/powerpc/sysdev/indirect_pci.o
  CC      arch/powerpc/kernel/idle.o
  CC      arch/powerpc/math-emu/fadds.o
  CC      arch/powerpc/sysdev/cpm_common.o
  LD      arch/powerpc/mm/built-in.o
  CC      arch/powerpc/kernel/signal.o
In file included from /home/kisskb/slave/src/arch/powerpc/include/asm/io.h:32:0,
                 from /home/kisskb/slave/src/include/linux/io.h:25,
                 from /home/kisskb/slave/src/include/linux/irq.h:24,
                 from /home/kisskb/slave/src/arch/powerpc/include/asm/hardirq.h:5,
                 from /home/kisskb/slave/src/include/linux/hardirq.h:8,
                 from /home/kisskb/slave/src/include/linux/memcontrol.h:24,
                 from /home/kisskb/slave/src/include/linux/swap.h:8,
                 from /home/kisskb/slave/src/include/linux/suspend.h:4,
                 from /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:18:
/home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c: In function 'pmc_suspend_enter':
/home/kisskb/slave/src/arch/powerpc/include/asm/delay.h:67:3: error: implicit declaration of function 'spin_begin' [-Werror=implicit-function-declaration]
   spin_begin();                                                  \
   ^
/home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:44:8: note: in expansion of macro 'spin_event_timeout'
  ret = spin_event_timeout((in_be32(&pmc_regs->pmcsr) & PMCSR_SLP) == 0,
        ^
/home/kisskb/slave/src/arch/powerpc/include/asm/delay.h:70:4: error: implicit declaration of function 'spin_cpu_relax' [-Werror=implicit-function-declaration]
    spin_cpu_relax();                                      \
    ^
/home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:44:8: note: in expansion of macro 'spin_event_timeout'
  ret = spin_event_timeout((in_be32(&pmc_regs->pmcsr) & PMCSR_SLP) == 0,
        ^
/home/kisskb/slave/src/arch/powerpc/include/asm/delay.h:71:3: error: implicit declaration of function 'spin_end' [-Werror=implicit-function-declaration]
   spin_end();                                                    \
   ^
/home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:44:8: note: in expansion of macro 'spin_event_timeout'
  ret = spin_event_timeout((in_be32(&pmc_regs->pmcsr) & PMCSR_SLP) == 0,
        ^
cc1: all warnings being treated as errors
/home/kisskb/slave/src/scripts/Makefile.build:302: recipe for target 'arch/powerpc/sysdev/fsl_pmc.o' failed
make[2]: *** [arch/powerpc/sysdev/fsl_pmc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
  CC      arch/powerpc/math-emu/fcmpo.o
  CC      arch/powerpc/kernel/sysfs.o
  CC      arch/powerpc/math-emu/fcmpu.o
  CC      arch/powerpc/math-emu/fctiw.o
  CC      arch/powerpc/kernel/cacheinfo.o
  CC      arch/powerpc/math-emu/fctiwz.o
  CC      arch/powerpc/math-emu/fdiv.o
  CC      arch/powerpc/kernel/time.o
  CC      arch/powerpc/math-emu/fdivs.o
/home/kisskb/slave/src/Makefile:1016: recipe for target 'arch/powerpc/sysdev' failed
make[1]: *** [arch/powerpc/sysdev] Error 2
  CC      arch/powerpc/kernel/prom.o
  CC      arch/powerpc/kernel/traps.o
  CC      arch/powerpc/kernel/setup-common.o
  CC      arch/powerpc/math-emu/fmadd.o
  CC      arch/powerpc/kernel/udbg.o
  AS      arch/powerpc/kernel/misc.o
  CC      arch/powerpc/math-emu/fmadds.o
  CC      arch/powerpc/kernel/io.o
  CC      arch/powerpc/math-emu/fmsub.o
  CC      arch/powerpc/kernel/dma.o
  CC      arch/powerpc/math-emu/fmsubs.o
  CC      arch/powerpc/math-emu/fmul.o
  CC      arch/powerpc/math-emu/fmuls.o
  CC      arch/powerpc/math-emu/fnabs.o
  AS      arch/powerpc/kernel/misc_32.o
  CC      arch/powerpc/math-emu/fneg.o
  CC      arch/powerpc/kernel/of_platform.o
  CC      arch/powerpc/kernel/prom_parse.o
  CC      arch/powerpc/math-emu/fnmadd.o
  LD      arch/powerpc/kernel/trace/built-in.o
  CC      arch/powerpc/math-emu/fnmadds.o
  CC      arch/powerpc/math-emu/fnmsub.o
  CC      arch/powerpc/kernel/proc_powerpc.o
  CC      arch/powerpc/kernel/smp-tbsync.o
  AS      arch/powerpc/kernel/idle_e500.o
  LDS     arch/powerpc/kernel/vdso32/vdso32.lds
  VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o
  VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o
  CC      arch/powerpc/kernel/module.o
  CC      arch/powerpc/kernel/module_32.o
  VDSO32A arch/powerpc/kernel/vdso32/datapage.o
  VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o
  VDSO32A arch/powerpc/kernel/vdso32/note.o
  VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg
  OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so
  AS      arch/powerpc/kernel/vdso32/vdso32_wrapper.o
  LD      arch/powerpc/kernel/vdso32/built-in.o
  CC      arch/powerpc/math-emu/fnmsubs.o
  AS      arch/powerpc/kernel/cpu_setup_fsl_booke.o
  CC      arch/powerpc/kernel/dbell.o
  AS      arch/powerpc/kernel/entry_32.o
  CC      arch/powerpc/math-emu/fres.o
  CC      arch/powerpc/kernel/setup_32.o
  CC      arch/powerpc/kernel/smp.o
  CC      arch/powerpc/kernel/legacy_serial.o
  CC      arch/powerpc/kernel/udbg_16550.o
  CC      arch/powerpc/math-emu/frsp.o
  CC      arch/powerpc/math-emu/fsel.o
  CC      arch/powerpc/kernel/dma-swiotlb.o
  CC      arch/powerpc/kernel/pci_32.o
  CC      arch/powerpc/kernel/pci-common.o
  CC      arch/powerpc/kernel/pci_of_scan.o
  CC      arch/powerpc/math-emu/lfs.o
  CC      arch/powerpc/math-emu/frsqrte.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/kernel/msi.o
  CC      arch/powerpc/kernel/iomap.o
  CC      arch/powerpc/math-emu/mtfsb1.o
  AS      arch/powerpc/kernel/head_fsl_booke.o
  LDS     arch/powerpc/kernel/vmlinux.lds
  CC      arch/powerpc/math-emu/stfiwx.o
  CC      arch/powerpc/math-emu/stfs.o
  CC      arch/powerpc/math-emu/fmr.o
  CALL    /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh
  CC      arch/powerpc/math-emu/lfd.o
  AS      arch/powerpc/kernel/systbl.o
  CC      arch/powerpc/math-emu/stfd.o
  CC      arch/powerpc/math-emu/math_efp.o
  LD      arch/powerpc/kernel/built-in.o
  LD      arch/powerpc/math-emu/built-in.o
make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-5.3'
Makefile:152: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /home/kisskb/slave/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-5.3
# Build took: 0:00:16.438538