# git rev-parse -q --verify c4004b02f8e5b9ce357a0bb1641756cc86962664^{commit} c4004b02f8e5b9ce357a0bb1641756cc86962664 already have revision, skipping fetch # git checkout -q -f -B kisskb c4004b02f8e5b9ce357a0bb1641756cc86962664 # git clean -qxdf # git log -1 commit c4004b02f8e5b9ce357a0bb1641756cc86962664 Author: Linus Torvalds Date: Wed Apr 6 13:45:07 2016 -0700 x86: remove the kernel code/data/bss resources from /proc/iomem Let's see if anybody even notices. I doubt anybody uses this, and it does expose addresses that should be randomized, so let's just remove the code. It's old and traditional, and it used to be cute, but we should have removed this long ago. If it turns out anybody notices and this breaks something, we'll have to revert this, and maybe we'll end up using other approaches instead (using %pK or similar). But removing unnecessary code is always the preferred option. Noted-by: Emrah Demir Signed-off-by: Linus Torvalds # < /opt/cross/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version # < git log --format=%s --max-count=1 c4004b02f8e5b9ce357a0bb1641756cc86962664 # < make -j 240 ARCH=s390 O=/home/kisskb/slave/build/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- allnoconfig # make -j 240 ARCH=s390 O=/home/kisskb/slave/build/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- make[1]: Entering directory `/home/kisskb/slave/build/linus_s390-allnoconfig_s390x' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig make[1]: Leaving directory `/home/kisskb/slave/build/linus_s390-allnoconfig_s390x' make[1]: Entering directory `/home/kisskb/slave/build/linus_s390-allnoconfig_s390x' CHK include/config/kernel.release UPD include/config/kernel.release GEN ./Makefile WRAP arch/s390/include/generated/asm/clkdev.h WRAP arch/s390/include/generated/asm/irq_work.h WRAP arch/s390/include/generated/asm/mcs_spinlock.h WRAP arch/s390/include/generated/asm/mm-arch-hooks.h WRAP arch/s390/include/generated/asm/preempt.h WRAP arch/s390/include/generated/asm/trace_clock.h WRAP arch/s390/include/generated/asm/word-at-a-time.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h Using /home/kisskb/slave/src as source for kernel HOSTCC scripts/sortextable CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o HOSTLD scripts/mod/modpost HOSTCC arch/s390/tools/gen_facilities CHK include/generated/facilities.h UPD include/generated/facilities.h 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/s390/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/noinitramfs.o CC init/init_task.o LD usr/built-in.o UPD include/generated/compile.h CC init/version.o LD arch/s390/net/built-in.o CC arch/s390/mm/init.o CC arch/s390/mm/fault.o CC arch/s390/mm/extmem.o CC arch/s390/mm/mmap.o CC arch/s390/mm/vmem.o CC arch/s390/mm/page-states.o CC arch/s390/mm/maccess.o CC arch/s390/mm/gup.o CC arch/s390/mm/pageattr.o CC arch/s390/mm/mem_detect.o CC arch/s390/mm/pgtable.o CC arch/s390/mm/pgalloc.o LD certs/built-in.o CC arch/s390/kernel/traps.o CC arch/s390/kernel/time.o CC arch/s390/kernel/process.o AS arch/s390/kernel/base.o CC arch/s390/kernel/early.o CC arch/s390/kernel/setup.o CC arch/s390/kernel/idle.o CC arch/s390/kernel/vtime.o CC arch/s390/kernel/processor.o CC arch/s390/kernel/sys_s390.o CC arch/s390/kernel/ptrace.o CC arch/s390/kernel/signal.o CC arch/s390/kernel/cpcmd.o CC arch/s390/kernel/ebcdic.o CC arch/s390/kernel/nmi.o CC arch/s390/kernel/debug.o CC kernel/fork.o CC arch/s390/kernel/irq.o CC kernel/exec_domain.o CC arch/s390/kernel/ipl.o CC kernel/panic.o CC kernel/cpu.o CC kernel/exit.o CC kernel/softirq.o CC arch/s390/kernel/dis.o CC kernel/resource.o CC kernel/sysctl.o CC arch/s390/kernel/diag.o CC kernel/sysctl_binary.o CC arch/s390/kernel/sclp.o CC arch/s390/kernel/vdso.o CC arch/s390/kernel/sysinfo.o CC arch/s390/kernel/jump_label.o CC kernel/capability.o CC arch/s390/kernel/lgr.o CC arch/s390/kernel/os_info.o CC arch/s390/kernel/machine_kexec.o AS arch/s390/kernel/pgm_check.o CC kernel/ptrace.o CC arch/s390/kernel/runtime_instr.o CC arch/s390/kernel/cache.o CC kernel/user.o CC arch/s390/kernel/dumpstack.o CC kernel/signal.o AS arch/s390/kernel/entry.o CC kernel/sys.o LD ipc/built-in.o CC kernel/kmod.o CC kernel/workqueue.o AS arch/s390/kernel/reipl.o AS arch/s390/kernel/relocate_kernel.o CC kernel/pid.o CC kernel/task_work.o AS arch/s390/kernel/head.o CC kernel/extable.o CC kernel/params.o AS arch/s390/kernel/head64.o CC kernel/kthread.o CC kernel/sys_ni.o CC kernel/nsproxy.o LDS arch/s390/kernel/vmlinux.lds CC kernel/notifier.o CC security/commoncap.o CC kernel/ksysfs.o CC security/min_addr.o CC kernel/cred.o CC kernel/reboot.o CC mm/filemap.o CC kernel/async.o LDS arch/s390/kernel/vdso64/vdso64.lds VDSO64A arch/s390/kernel/vdso64/gettimeofday.o CC mm/mempool.o VDSO64A arch/s390/kernel/vdso64/clock_getres.o VDSO64A arch/s390/kernel/vdso64/clock_gettime.o VDSO64A arch/s390/kernel/vdso64/note.o VDSO64A arch/s390/kernel/vdso64/getcpu.o CC mm/oom_kill.o CC kernel/range.o LD crypto/built-in.o CC kernel/smpboot.o LD kernel/livepatch/built-in.o CC mm/maccess.o CC mm/page_alloc.o CC mm/page-writeback.o CC kernel/up.o CC kernel/rcu/update.o CC kernel/printk/printk.o VDSO64L arch/s390/kernel/vdso64/vdso64.so.dbg CC mm/swap.o CC kernel/power/qos.o CC mm/readahead.o CC kernel/rcu/sync.o CC kernel/kexec.o CC mm/truncate.o CC kernel/locking/mutex.o CC kernel/kexec_core.o CC kernel/locking/semaphore.o CC kernel/locking/rwsem.o CC mm/vmscan.o CC kernel/rcu/tiny.o CC kernel/locking/percpu-rwsem.o CC mm/shmem.o CC kernel/locking/rwsem-xadd.o CC mm/util.o CC fs/open.o CC kernel/irq/irqdesc.o CC mm/mmzone.o CC mm/vmstat.o CC mm/backing-dev.o CC fs/read_write.o OBJCOPY arch/s390/kernel/vdso64/vdso64.so CC mm/mm_init.o CC fs/file_table.o CC mm/mmu_context.o AS arch/s390/kernel/vdso64/vdso64_wrapper.o CC mm/percpu.o CC kernel/irq/handle.o CC kernel/sched/core.o CC kernel/time/time.o CC kernel/sched/loadavg.o CC mm/slab_common.o CC kernel/time/timer.o CC kernel/sched/clock.o CC mm/compaction.o CC mm/vmacache.o CC fs/char_dev.o CC fs/super.o CC mm/interval_tree.o CC kernel/irq/manage.o CC fs/stat.o CC kernel/sched/cputime.o CC mm/list_lru.o LD block/built-in.o CC kernel/sched/fair.o CC mm/gup.o CC kernel/irq/spurious.o CC fs/namei.o CC fs/exec.o CC mm/highmem.o CC kernel/time/itimer.o CC fs/fcntl.o CC mm/debug.o CC mm/memory.o CC mm/workingset.o CC kernel/sched/idle_task.o CC kernel/sched/rt.o CC fs/pipe.o CC kernel/time/posix-timers.o LD arch/s390/kernel/vdso64/built-in.o CC kernel/time/posix-cpu-timers.o CC kernel/time/hrtimer.o CC kernel/time/timekeeping.o CC kernel/sched/deadline.o CC kernel/time/ntp.o CC kernel/sched/stop_task.o CC kernel/irq/resend.o CC mm/mincore.o CC fs/ioctl.o CC kernel/time/clocksource.o CC kernel/time/jiffies.o CC fs/readdir.o CC mm/mlock.o CC kernel/irq/chip.o CC kernel/time/timer_list.o CC kernel/irq/dummychip.o CC kernel/sched/wait.o CC fs/select.o CC kernel/sched/swait.o CC mm/mmap.o CC kernel/irq/devres.o CC kernel/sched/completion.o CC kernel/time/timeconv.o CC fs/dcache.o CC mm/mprotect.o CC kernel/time/timecounter.o CC mm/mremap.o CC kernel/sched/idle.o CC fs/attr.o CC mm/msync.o CC kernel/time/posix-clock.o CC fs/inode.o CC kernel/time/alarmtimer.o CC fs/bad_inode.o CC mm/rmap.o CC fs/file.o CC mm/vmalloc.o CC mm/pagewalk.o CC mm/pgtable-generic.o CC fs/filesystems.o CC kernel/time/clockevents.o CC mm/init-mm.o CC kernel/time/tick-common.o CC fs/namespace.o CC mm/nobootmem.o CC fs/seq_file.o CC fs/xattr.o CC mm/memblock.o CC fs/libfs.o CC mm/dmapool.o LD arch/s390/mm/built-in.o CC mm/sparse.o CC fs/pnode.o CC fs/fs-writeback.o CC mm/sparse-vmemmap.o CC fs/splice.o CC mm/slub.o CC fs/sync.o LD init/mounts.o CC fs/utimes.o CC fs/stack.o LD init/built-in.o CC fs/fs_struct.o CC fs/statfs.o CC fs/fs_pin.o LD sound/built-in.o CC fs/nsfs.o CC fs/no-block.o LD fs/exofs/built-in.o LD fs/devpts/built-in.o LD fs/quota/built-in.o CC fs/ramfs/inode.o CC fs/ramfs/file-mmu.o LD fs/notify/dnotify/built-in.o LD fs/notify/fanotify/built-in.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o LD firmware/built-in.o LD kernel/power/built-in.o LD kernel/locking/built-in.o LD kernel/rcu/built-in.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o LD net/built-in.o LD drivers/block/built-in.o LD security/built-in.o LD drivers/cdrom/built-in.o LD drivers/hwtracing/intel_th/built-in.o LD drivers/bus/built-in.o LD drivers/firewire/built-in.o LD drivers/clocksource/built-in.o LD drivers/lguest/built-in.o LD drivers/macintosh/built-in.o LD drivers/idle/built-in.o LD drivers/mfd/built-in.o LD drivers/leds/built-in.o LD drivers/s390/block/built-in.o LD drivers/gpio/built-in.o LD drivers/irqchip/built-in.o LD drivers/clk/bcm/built-in.o CC drivers/char/mem.o LD drivers/clk/ti/built-in.o LD drivers/mmc/built-in.o LD drivers/gpu/vga/built-in.o CC drivers/char/random.o LD drivers/nfc/built-in.o CC drivers/char/misc.o LD drivers/clk/built-in.o LD drivers/i2c/busses/built-in.o LD drivers/hsi/clients/built-in.o LD drivers/i2c/algos/built-in.o LD drivers/firmware/broadcom/built-in.o LD drivers/hsi/controllers/built-in.o LD drivers/s390/net/built-in.o LD drivers/i2c/muxes/built-in.o LD drivers/net/built-in.o LD drivers/platform/built-in.o LD drivers/i2c/built-in.o LD drivers/s390/scsi/built-in.o LD drivers/power/built-in.o LD drivers/char/agp/built-in.o LD drivers/hsi/built-in.o LD drivers/firmware/built-in.o LD drivers/pwm/built-in.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/gpu/drm/bridge/built-in.o LD drivers/s390/crypto/built-in.o LD drivers/s390/virtio/built-in.o LD drivers/nvme/host/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/nvme/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/misc/ti-st/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/soc/bcm/built-in.o CC drivers/base/component.o CC drivers/base/core.o CC drivers/s390/cio/airq.o LD drivers/soc/fsl/built-in.o CC drivers/base/bus.o LD drivers/media/firewire/built-in.o CC arch/s390/lib/delay.o CC drivers/base/dd.o CC drivers/s390/cio/blacklist.o CC arch/s390/lib/find.o CC drivers/base/syscore.o CC arch/s390/lib/xor.o LD drivers/soc/built-in.o AS arch/s390/lib/mem.o LD drivers/media/tuners/built-in.o LD drivers/video/backlight/built-in.o LD drivers/media/mmc/siano/built-in.o LD drivers/misc/mic/bus/built-in.o LD drivers/media/rc/keymaps/built-in.o LD drivers/media/mmc/built-in.o CC drivers/base/driver.o CC drivers/base/class.o CC drivers/s390/char/ctrlchar.o CC drivers/s390/char/keyboard.o CC arch/s390/lib/string.o LD drivers/gpu/drm/omapdrm/displays/built-in.o CC drivers/s390/char/defkeymap.o CC drivers/s390/cio/chsc.o CC drivers/s390/cio/cio.o LD drivers/media/platform/omap/built-in.o CC arch/s390/lib/uaccess.o LD drivers/gpu/drm/omapdrm/dss/built-in.o CC drivers/s390/cio/chp.o LD drivers/video/fbdev/core/built-in.o CC drivers/base/platform.o LD drivers/misc/mic/built-in.o CC drivers/s390/cio/css.o CC drivers/s390/cio/idset.o CC drivers/s390/char/sclp.o LD drivers/gpu/drm/omapdrm/built-in.o CC drivers/s390/cio/isc.o CC drivers/s390/cio/fcx.o CC drivers/base/cpu.o LD drivers/media/common/saa7146/built-in.o LD drivers/misc/built-in.o CC drivers/s390/cio/itcw.o CC drivers/s390/cio/crw.o LD kernel/printk/built-in.o CC drivers/s390/char/sclp_rw.o LD drivers/media/i2c/soc_camera/built-in.o LD drivers/media/rc/built-in.o CC drivers/base/firmware.o CC lib/usercopy.o LD drivers/gpu/drm/built-in.o CC lib/lockref.o LD drivers/media/common/b2c2/built-in.o CC drivers/tty/tty_io.o CC drivers/base/init.o LD drivers/media/platform/built-in.o CC drivers/s390/cio/ccwreq.o CC drivers/s390/char/sclp_cmd.o CC drivers/s390/char/sclp_quiesce.o CC drivers/tty/n_tty.o CC drivers/s390/cio/trace.o LD drivers/media/common/siano/built-in.o CC drivers/s390/char/sclp_config.o CC lib/bcd.o CC drivers/base/map.o CC drivers/base/devres.o CC drivers/s390/cio/ioasm.o CC drivers/s390/char/sclp_cpi_sys.o CC drivers/tty/tty_ioctl.o CC drivers/s390/cio/device.o CC drivers/s390/char/sclp_ocf.o CC drivers/tty/tty_ldisc.o LD drivers/media/i2c/built-in.o CC drivers/s390/char/sclp_ctl.o CC drivers/s390/char/sclp_early.o CC drivers/s390/cio/device_fsm.o CC drivers/tty/tty_buffer.o CC drivers/base/attribute_container.o CC lib/div64.o CC drivers/tty/tty_port.o CC drivers/s390/cio/device_ops.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o CC lib/sort.o CC drivers/tty/tty_mutex.o LD drivers/media/common/built-in.o CC drivers/base/transport_class.o CC drivers/tty/tty_ldsem.o CC drivers/s390/cio/device_id.o LD drivers/gpu/built-in.o CC drivers/base/topology.o CC lib/parser.o CC drivers/s390/cio/device_status.o LD drivers/video/fbdev/omap2/omapfb/built-in.o CC lib/halfmd4.o CC drivers/s390/cio/device_pgid.o LD fs/ramfs/ramfs.o LD drivers/tty/ipwireless/built-in.o CC drivers/base/container.o CC drivers/s390/cio/cmf.o LD drivers/tty/serial/built-in.o LD fs/ramfs/built-in.o CC lib/debug_locks.o CC lib/random32.o LD drivers/video/fbdev/omap2/built-in.o CC drivers/base/property.o CC drivers/base/cacheinfo.o LD drivers/tty/vt/built-in.o LD drivers/media/usb/b2c2/built-in.o CC lib/bust_spinlocks.o CC drivers/base/dma-mapping.o CC lib/kasprintf.o CC lib/bitmap.o LD drivers/base/power/built-in.o LD virt/lib/built-in.o CC lib/scatterlist.o LD drivers/media/pci/b2c2/built-in.o LD drivers/media/usb/s2255/built-in.o CC lib/gcd.o LD virt/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/media/usb/siano/built-in.o CC lib/lcm.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/usb/stkwebcam/built-in.o CC lib/list_sort.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/media/pci/mantis/built-in.o CC lib/flex_array.o CC lib/iov_iter.o LD drivers/media/pci/smipcie/built-in.o CC lib/clz_ctz.o LD drivers/media/pci/ngene/built-in.o CC lib/uuid.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/pluto2/built-in.o LD drivers/media/pci/ttpci/built-in.o LD drivers/video/built-in.o CC lib/bsearch.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/pt1/built-in.o LD kernel/irq/built-in.o CC lib/find_bit.o LD drivers/media/pci/saa7146/built-in.o CC lib/llist.o CC lib/memweight.o LD drivers/media/usb/built-in.o LD drivers/media/pci/built-in.o CC lib/kfifo.o CC lib/percpu-refcount.o CC lib/percpu_ida.o CC lib/rhashtable.o CC lib/reciprocal_div.o CC lib/once.o CC lib/string_helpers.o CC lib/hexdump.o CC lib/kstrtox.o LD drivers/media/built-in.o CC lib/hweight.o LD arch/s390/lib/built-in.o CC lib/syscall.o CC lib/argv_split.o CC lib/cmdline.o CC lib/ctype.o CC lib/dec_and_lock.o CC lib/decompress.o CC lib/dma-noop.o CC lib/dump_stack.o CC lib/earlycpio.o CC lib/extable.o CC lib/flex_proportions.o CC lib/idr.o CC lib/int_sqrt.o AR arch/s390/lib/lib.a CC lib/ioremap.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC lib/klist.o CC lib/kobject.o CC lib/kobject_uevent.o CC lib/md5.o CC lib/nmi_backtrace.o CC lib/plist.o CC lib/proportions.o CC lib/radix-tree.o CC lib/ratelimit.o CC lib/rbtree.o CC lib/seq_buf.o CC lib/sha1.o CC lib/show_mem.o CC lib/string.o CC lib/timerqueue.o CC lib/vsprintf.o LD drivers/char/built-in.o LD arch/s390/kernel/built-in.o LD arch/s390/built-in.o LD drivers/s390/char/built-in.o /home/kisskb/slave/src/mm/page_alloc.c: In function 'free_area_init_node': /home/kisskb/slave/src/mm/page_alloc.c:5313:17: warning: 'zone_start_pfn' may be used uninitialized in this function [-Wuninitialized] LD kernel/time/built-in.o LD drivers/base/built-in.o LD kernel/sched/built-in.o LD kernel/built-in.o LD drivers/s390/cio/ccw_device.o LD drivers/s390/cio/built-in.o LD drivers/s390/built-in.o LD lib/built-in.o LD mm/built-in.o LD fs/built-in.o LD drivers/tty/built-in.o LD drivers/built-in.o AR lib/lib.a LINK vmlinux LD vmlinux.o MODPOST vmlinux.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux SORTEX vmlinux SYSMAP System.map OBJCOPY arch/s390/boot/image LDS arch/s390/boot/compressed/vmlinux.lds GEN arch/s390/boot/compressed/sizes.h OBJCOPY arch/s390/boot/compressed/vmlinux.bin GZIP arch/s390/boot/compressed/vmlinux.bin.gz AS arch/s390/boot/compressed/head.o CC arch/s390/boot/compressed/misc.o LD arch/s390/boot/compressed/piggy.o LD arch/s390/boot/compressed/vmlinux OBJCOPY arch/s390/boot/bzImage make[1]: Leaving directory `/home/kisskb/slave/build/linus_s390-allnoconfig_s390x' Completed OK # rm -rf /home/kisskb/slave/build/linus_s390-allnoconfig_s390x # Build took: 0:00:12.932018