# git rev-parse -q --verify 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8^{commit} 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8 already have revision, skipping fetch # git checkout -q -f -B kisskb 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8 # git clean -qxdf # git log -1 commit 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8 Author: Balbir Singh 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 Signed-off-by: Michael Ellerman # < /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_corenet32_smp_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- corenet32_smp_defconfig # make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_corenet32_smp_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_corenet32_smp_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/export.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/preempt.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/mcs_spinlock.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 HOSTCC scripts/genksyms/genksyms.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/kallsyms HOSTCC scripts/conmakehash HOSTCC scripts/dtc/fstree.o CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s 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/data.o SHIPPED scripts/genksyms/parse.tab.c SHIPPED scripts/genksyms/lex.lex.c HOSTCC scripts/dtc/livetree.o CC kernel/bounds.s HOSTCC scripts/mod/file2alias.o CHK include/generated/timeconst.h UPD include/generated/timeconst.h SHIPPED scripts/genksyms/keywords.hash.c CHK include/generated/bounds.h SHIPPED scripts/genksyms/parse.tab.h UPD include/generated/bounds.h HOSTCC scripts/genksyms/parse.tab.o CC arch/powerpc/kernel/asm-offsets.s HOSTCC scripts/genksyms/lex.lex.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/mod/sumversion.o HOSTCC scripts/sortextable HOSTCC scripts/asn1_compiler HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh 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/genksyms/genksyms HOSTLD scripts/mod/modpost HOSTLD scripts/dtc/dtc 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 AS arch/powerpc/lib/string.o CC arch/powerpc/kernel/cputable.o CC arch/powerpc/lib/alloc.o GEN usr/initramfs_data.cpio.gz AS usr/initramfs_data.o LD usr/built-in.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/sysdev/mpic.o CC arch/powerpc/sysdev/mpic_msi.o CC arch/powerpc/mm/mem.o CC arch/powerpc/sysdev/mpic_u3msi.o CC arch/powerpc/sysdev/ehv_pic.o CC arch/powerpc/sysdev/msi_bitmap.o CC arch/powerpc/lib/feature-fixups.o AS arch/powerpc/lib/div64.o CC arch/powerpc/kernel/syscalls.o AS arch/powerpc/lib/copy_32.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/platforms/85xx/smp.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/platforms/85xx/common.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/platforms/85xx/c293pcie.o AS arch/powerpc/lib/checksum_32.o CC init/version.o CC arch/powerpc/kernel/align.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/lib/sstep.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/ldstfp.o LD arch/powerpc/crypto/built-in.o CC arch/powerpc/kernel/signal_32.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 make[3]: *** Waiting for unfinished jobs.... CC arch/powerpc/lib/rheap.o LD init/mounts.o /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.... LD init/built-in.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/kernel/process.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/mm/mmap.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/sysdev/fsl_msi.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/mm/init-common.o CC arch/powerpc/sysdev/fsl_rcpm.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/mm/mmu_context_nohash.o LD arch/powerpc/lib/built-in.o CC arch/powerpc/mm/tlb_nohash.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/of_address.h:6, from /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_rcpm.c:18: /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_rcpm.c: In function 'rcpm_v1_plat_enter_state': /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_rcpm.c:232:12: note: in expansion of macro 'spin_event_timeout' result = 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/sysdev/fsl_rcpm.c:232:12: note: in expansion of macro 'spin_event_timeout' result = 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/sysdev/fsl_rcpm.c:232:12: note: in expansion of macro 'spin_event_timeout' result = spin_event_timeout( ^ CC arch/powerpc/kernel/idle.o AS arch/powerpc/mm/tlb_nohash_low.o cc1: all warnings being treated as errors /home/kisskb/slave/src/scripts/Makefile.build:302: recipe for target 'arch/powerpc/sysdev/fsl_rcpm.o' failed make[2]: *** [arch/powerpc/sysdev/fsl_rcpm.o] Error 1 make[2]: *** Waiting for unfinished jobs.... CC arch/powerpc/mm/fsl_booke_mmu.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/mm/hugetlbpage-book3e.o CC arch/powerpc/kernel/signal.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/sysfs.o CC arch/powerpc/mm/highmem.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/traps.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 AS arch/powerpc/kernel/misc_32.o CC arch/powerpc/kernel/of_platform.o LD arch/powerpc/mm/built-in.o CC arch/powerpc/kernel/prom_parse.o CC arch/powerpc/kernel/trace/trace_clock.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o LD arch/powerpc/kernel/trace/built-in.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o CC arch/powerpc/kernel/proc_powerpc.o CC arch/powerpc/kernel/smp-tbsync.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 AS arch/powerpc/kernel/idle_e500.o CC arch/powerpc/kernel/module.o CC arch/powerpc/kernel/module_32.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/kernel/setup_32.o CC arch/powerpc/kernel/smp.o CC arch/powerpc/kernel/uprobes.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/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/kernel/msi.o CC arch/powerpc/kernel/machine_kexec.o CC arch/powerpc/kernel/crash.o CC arch/powerpc/kernel/machine_kexec_32.o CC arch/powerpc/kernel/audit.o CC arch/powerpc/kernel/iomap.o AS arch/powerpc/kernel/ppc_save_regs.o CC arch/powerpc/kernel/epapr_paravirt.o AS arch/powerpc/kernel/epapr_hcalls.o AS arch/powerpc/kernel/head_fsl_booke.o LDS arch/powerpc/kernel/vmlinux.lds AS arch/powerpc/kernel/fpu.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o LD arch/powerpc/kernel/built-in.o make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_corenet32_smp_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_corenet32_smp_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_corenet32_smp_defconfig_powerpc-5.3 # Build took: 0:00:16.706962