# 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-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 5c277ef29839146099f1ab45f0cfd8fbb7abd1d8 # < make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_85xx_socrates_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 85xx/socrates_defconfig # make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_85xx_socrates_defconfig_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_85xx_socrates_defconfig_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/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 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/conmakehash HOSTCC scripts/dtc/dtc.o CC scripts/mod/empty.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o CHK scripts/mod/devicetable-offsets.h UPD scripts/mod/devicetable-offsets.h HOSTCC scripts/sortextable HOSTCC scripts/dtc/livetree.o MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.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 HOSTCC scripts/mod/sumversion.o SHIPPED scripts/dtc/dtc-parser.tab.h SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-lexer.lex.o CC kernel/bounds.s CHK include/generated/timeconst.h HOSTCC scripts/dtc/dtc-parser.tab.o UPD include/generated/timeconst.h 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 CALL /home/kisskb/slave/src/scripts/checksyscalls.sh 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 CC init/do_mounts_initrd.o CC init/initramfs.o UPD include/generated/compile.h CC init/init_task.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 GEN usr/initramfs_data.cpio.gz CC arch/powerpc/lib/code-patching.o CC arch/powerpc/kernel/ptrace.o AS usr/initramfs_data.o LD usr/built-in.o CC arch/powerpc/kernel/syscalls.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/sysdev/mpic.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/sysdev/fsl_soc.o CC arch/powerpc/lib/feature-fixups.o AS arch/powerpc/lib/div64.o CC arch/powerpc/sysdev/fsl_mpic_err.o CC arch/powerpc/platforms/85xx/mpc85xx_pm_ops.o CC init/version.o LD init/mounts.o CC arch/powerpc/kernel/irq.o AS arch/powerpc/lib/copy_32.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/platforms/85xx/common.o AS arch/powerpc/lib/checksum_32.o CC arch/powerpc/lib/checksum_wrappers.o LD init/built-in.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/mm/init-common.o CC arch/powerpc/kernel/align.o LD arch/powerpc/crypto/built-in.o CC arch/powerpc/sysdev/fsl_pci.o CC arch/powerpc/sysdev/fsl_pmc.o CC arch/powerpc/math-emu/math.o CC arch/powerpc/platforms/85xx/socrates.o LD arch/powerpc/lib/built-in.o CC arch/powerpc/math-emu/fre.o CC arch/powerpc/math-emu/fsqrt.o CC arch/powerpc/platforms/85xx/socrates_fpga_pic.o LD arch/powerpc/net/built-in.o CC arch/powerpc/sysdev/indirect_pci.o CC arch/powerpc/mm/mmu_context_nohash.o CC arch/powerpc/mm/tlb_nohash.o CC arch/powerpc/math-emu/fsqrts.o /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c: In function 'pmc_suspend_enter': /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:44:2: error: implicit declaration of function 'spin_begin' [-Werror=implicit-function-declaration] /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:44:2: error: implicit declaration of function 'spin_cpu_relax' [-Werror=implicit-function-declaration] /home/kisskb/slave/src/arch/powerpc/sysdev/fsl_pmc.c:44:2: error: implicit declaration of function 'spin_end' [-Werror=implicit-function-declaration] 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/frsqrtes.o CC arch/powerpc/math-emu/mtfsf.o AS arch/powerpc/mm/tlb_nohash_low.o CC arch/powerpc/kernel/signal_32.o LD arch/powerpc/platforms/85xx/built-in.o LD arch/powerpc/platforms/built-in.o CC arch/powerpc/kernel/pmc.o CC kernel/fork.o CC kernel/exec_domain.o CC kernel/panic.o LD certs/built-in.o CC kernel/cpu.o CC arch/powerpc/math-emu/mtfsfi.o CC arch/powerpc/math-emu/fabs.o CC arch/powerpc/mm/fsl_booke_mmu.o CC arch/powerpc/kernel/vdso.o /home/kisskb/slave/src/Makefile:1016: recipe for target 'arch/powerpc/sysdev' failed make[1]: *** [arch/powerpc/sysdev] Error 2 make[1]: *** Waiting for unfinished jobs.... CC arch/powerpc/kernel/process.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/idle.o CC arch/powerpc/math-emu/fadd.o CC arch/powerpc/math-emu/fadds.o CC kernel/exit.o CC kernel/softirq.o CC arch/powerpc/math-emu/fcmpo.o CC arch/powerpc/math-emu/fcmpu.o CC arch/powerpc/mm/hugetlbpage.o CC kernel/resource.o CC arch/powerpc/math-emu/fctiw.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/math-emu/fctiwz.o CC kernel/sysctl.o CC arch/powerpc/math-emu/fdiv.o CC arch/powerpc/kernel/sysfs.o LD arch/powerpc/mm/built-in.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC kernel/sysctl_binary.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/math-emu/fdivs.o CC kernel/capability.o CC arch/powerpc/kernel/traps.o CC kernel/ptrace.o CC arch/powerpc/kernel/setup-common.o CC kernel/user.o CC arch/powerpc/math-emu/fmadd.o CC kernel/signal.o CC kernel/sys.o CC kernel/kmod.o CC kernel/workqueue.o CC arch/powerpc/math-emu/fmadds.o CC kernel/pid.o CC arch/powerpc/kernel/udbg.o CC kernel/task_work.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/io.o CC arch/powerpc/math-emu/fmsub.o CC arch/powerpc/math-emu/fmsubs.o CC arch/powerpc/math-emu/fmul.o CC kernel/extable.o CC arch/powerpc/kernel/dma.o AS arch/powerpc/kernel/misc_32.o CC arch/powerpc/kernel/of_platform.o CC arch/powerpc/math-emu/fmuls.o CC kernel/params.o CC kernel/kthread.o CC kernel/sys_ni.o CC arch/powerpc/kernel/prom_parse.o CC arch/powerpc/math-emu/fnabs.o CC kernel/nsproxy.o CC arch/powerpc/math-emu/fneg.o CC arch/powerpc/math-emu/fnmadd.o CC arch/powerpc/math-emu/fnmadds.o LD arch/powerpc/kernel/trace/built-in.o CC arch/powerpc/math-emu/fnmsub.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o CC arch/powerpc/kernel/proc_powerpc.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o CC kernel/notifier.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o VDSO32A arch/powerpc/kernel/vdso32/note.o CC kernel/ksysfs.o AS arch/powerpc/kernel/idle_e500.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so CC arch/powerpc/kernel/module.o AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o LD arch/powerpc/kernel/vdso32/built-in.o CC arch/powerpc/kernel/module_32.o CC arch/powerpc/math-emu/fnmsubs.o CC arch/powerpc/math-emu/fres.o CC arch/powerpc/math-emu/frsp.o CC kernel/cred.o AS arch/powerpc/kernel/cpu_setup_fsl_booke.o CC kernel/reboot.o CC arch/powerpc/math-emu/fsel.o CC kernel/async.o CC arch/powerpc/math-emu/lfs.o CC kernel/range.o CC kernel/smpboot.o CC arch/powerpc/math-emu/frsqrte.o CC arch/powerpc/kernel/dbell.o CC arch/powerpc/math-emu/fsub.o AS arch/powerpc/kernel/entry_32.o CC arch/powerpc/kernel/setup_32.o CC arch/powerpc/kernel/legacy_serial.o CC arch/powerpc/kernel/udbg_16550.o CC arch/powerpc/kernel/pci_32.o CC arch/powerpc/kernel/pci-common.o CC kernel/ucount.o CC kernel/groups.o CC arch/powerpc/math-emu/fsubs.o CC arch/powerpc/math-emu/mcrfs.o CC kernel/bpf/core.o CC arch/powerpc/kernel/pci_of_scan.o CC arch/powerpc/math-emu/mffs.o CC kernel/irq/irqdesc.o LD kernel/livepatch/built-in.o CC kernel/locking/mutex.o CC kernel/locking/semaphore.o CC arch/powerpc/kernel/iomap.o CC arch/powerpc/math-emu/mtfsb0.o CC kernel/power/qos.o CC arch/powerpc/math-emu/mtfsb1.o CC kernel/power/main.o CC kernel/power/console.o CC kernel/irq/handle.o CC arch/powerpc/math-emu/stfiwx.o CC kernel/power/process.o CC arch/powerpc/math-emu/stfs.o CC kernel/locking/rwsem.o AS arch/powerpc/kernel/head_fsl_booke.o LDS arch/powerpc/kernel/vmlinux.lds CC kernel/locking/percpu-rwsem.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o CC kernel/irq/manage.o LD arch/powerpc/kernel/built-in.o CC kernel/irq/spurious.o CC kernel/irq/resend.o CC kernel/locking/rtmutex.o CC kernel/power/suspend.o CC kernel/locking/rwsem-xadd.o CC arch/powerpc/math-emu/fmr.o CC kernel/printk/printk.o CC arch/powerpc/math-emu/lfd.o LD kernel/bpf/built-in.o CC arch/powerpc/math-emu/stfd.o CC arch/powerpc/math-emu/math_efp.o CC kernel/rcu/update.o CC kernel/sched/core.o CC kernel/sched/loadavg.o CC kernel/irq/chip.o CC kernel/irq/dummychip.o LD kernel/power/built-in.o CC kernel/irq/devres.o LD kernel/locking/built-in.o CC kernel/irq/irqdomain.o CC kernel/rcu/sync.o CC kernel/printk/printk_safe.o CC kernel/irq/proc.o CC kernel/rcu/srcutiny.o CC kernel/rcu/tiny.o CC kernel/sched/clock.o CC kernel/sched/cputime.o CC kernel/time/time.o CC kernel/time/timer.o CC kernel/time/hrtimer.o CC kernel/time/timekeeping.o CC kernel/irq/pm.o /home/kisskb/slave/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /home/kisskb/slave/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] CC kernel/rcu/rcu_segcblist.o CC kernel/sched/idle_task.o LD kernel/printk/built-in.o CC kernel/time/ntp.o LD kernel/irq/built-in.o CC kernel/sched/fair.o CC kernel/sched/rt.o LD kernel/rcu/built-in.o CC kernel/sched/deadline.o CC kernel/sched/stop_task.o CC kernel/time/clocksource.o CC kernel/sched/wait.o CC kernel/freezer.o CC kernel/sched/swait.o CC kernel/time/jiffies.o CC kernel/sched/completion.o CC kernel/time/timer_list.o CC kernel/sched/idle.o CC kernel/time/timeconv.o CC kernel/time/timecounter.o CC kernel/time/alarmtimer.o CC kernel/sched/debug.o CC kernel/time/posix-timers.o CC kernel/time/posix-cpu-timers.o CC kernel/futex.o CC kernel/dma.o CC kernel/up.o CC kernel/time/posix-clock.o LD arch/powerpc/math-emu/built-in.o CC kernel/time/itimer.o CC kernel/module.o CC kernel/time/clockevents.o CC kernel/time/tick-common.o CC kernel/seccomp.o CC kernel/utsname_sysctl.o CC kernel/elfcore.o LD kernel/sched/built-in.o CC kernel/irq_work.o CC kernel/membarrier.o CC kernel/memremap.o LD kernel/time/built-in.o LD kernel/built-in.o make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_85xx_socrates_defconfig_powerpc' 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_socrates_defconfig_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_85xx_socrates_defconfig_powerpc # Build took: 0:00:18.181503