# 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/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 c4004b02f8e5b9ce357a0bb1641756cc86962664 # < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- allnoconfig # make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- make[1]: Entering directory '/home/kisskb/slave/build/linus_powerpc-allnoconfig_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 UPD include/config/kernel.release 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 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/dtc/flattree.o CC scripts/mod/empty.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/livetree.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/srcpos.o SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-parser.tab.o HOSTCC scripts/dtc/util.o SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.h HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/dtc-lexer.lex.o 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/dtc/dtc HOSTLD scripts/mod/modpost 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 CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh :1310:2: warning: #warning syscall preadv2 not implemented [-Wcpp] :1313:2: warning: #warning syscall pwritev2 not implemented [-Wcpp] LD usr/built-in.o CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/init_task.o CC init/noinitramfs.o UPD include/generated/compile.h CC init/version.o LD arch/powerpc/sysdev/built-in.o CC arch/powerpc/mm/fault.o CC arch/powerpc/mm/mem.o AS arch/powerpc/lib/string.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/lib/alloc.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/lib/ppc_ksyms.o CC arch/powerpc/lib/feature-fixups.o CC arch/powerpc/mm/init_32.o AS arch/powerpc/lib/div64.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/mm/ppc_mmu_32.o LD arch/powerpc/platforms/built-in.o AS arch/powerpc/lib/checksum_32.o AS arch/powerpc/mm/hash_low_32.o AS arch/powerpc/lib/copy_32.o CC arch/powerpc/mm/tlb_hash32.o CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/mm/hugetlbpage.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/kernel/cputable.o CC arch/powerpc/kernel/syscalls.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/kernel/align.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/kernel/idle.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/process.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/time.o CC arch/powerpc/kernel/setup-common.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/udbg.o LD arch/powerpc/crypto/built-in.o AS arch/powerpc/kernel/misc.o AS arch/powerpc/kernel/misc_32.o CC arch/powerpc/kernel/dma.o CC arch/powerpc/kernel/io.o CC arch/powerpc/kernel/prom_parse.o CC arch/powerpc/kernel/of_platform.o AS arch/powerpc/kernel/idle_6xx.o LD arch/powerpc/net/built-in.o AS arch/powerpc/kernel/l2cr_6xx.o AS arch/powerpc/kernel/cpu_setup_6xx.o AS arch/powerpc/kernel/entry_32.o CC arch/powerpc/kernel/setup_32.o CC arch/powerpc/kernel/pci_32.o CC arch/powerpc/kernel/pci-common.o LDS arch/powerpc/kernel/vdso32/vdso32.lds CC arch/powerpc/kernel/pci_of_scan.o CC arch/powerpc/kernel/iomap.o VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o LD certs/built-in.o AS arch/powerpc/kernel/head_32.o LD arch/powerpc/lib/built-in.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o LDS arch/powerpc/kernel/vmlinux.lds VDSO32A arch/powerpc/kernel/vdso32/datapage.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/fpu.o VDSO32A arch/powerpc/kernel/vdso32/note.o AS arch/powerpc/kernel/systbl.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 ipc/built-in.o CC security/commoncap.o CC security/min_addr.o LD arch/powerpc/kernel/vdso32/built-in.o LD arch/powerpc/mm/built-in.o LD crypto/built-in.o CC mm/filemap.o CC mm/oom_kill.o CC mm/mempool.o LD block/built-in.o CC mm/maccess.o CC mm/page_alloc.o CC mm/page-writeback.o CC mm/readahead.o CC mm/swap.o CC mm/truncate.o CC mm/vmscan.o CC mm/backing-dev.o CC mm/mm_init.o CC mm/mmu_context.o CC mm/slab_common.o CC mm/util.o CC mm/mmzone.o CC mm/compaction.o CC mm/vmstat.o CC mm/shmem.o CC mm/debug.o CC mm/gup.o CC mm/mlock.o CC mm/mincore.o CC mm/memory.o CC mm/list_lru.o CC mm/percpu.o CC mm/highmem.o CC mm/vmacache.o CC mm/interval_tree.o CC mm/workingset.o CC mm/mmap.o CC mm/mprotect.o LD sound/built-in.o CC mm/mremap.o CC mm/msync.o CC mm/rmap.o CC mm/vmalloc.o CC kernel/fork.o LD init/mounts.o LD firmware/built-in.o LD init/built-in.o CC fs/open.o CC mm/pagewalk.o LD net/built-in.o CC mm/pgtable-generic.o CC kernel/exec_domain.o CC kernel/panic.o CC mm/init-mm.o CC mm/nobootmem.o CC mm/memblock.o CC kernel/cpu.o CC mm/dmapool.o CC mm/slub.o CC fs/read_write.o CC kernel/softirq.o CC kernel/exit.o CC fs/file_table.o LD virt/lib/built-in.o CC kernel/resource.o CC fs/super.o CC kernel/sysctl.o LD virt/built-in.o CC fs/char_dev.o CC fs/stat.o CC fs/exec.o CC kernel/sysctl_binary.o CC fs/pipe.o LD security/built-in.o CC kernel/capability.o LD arch/powerpc/kernel/built-in.o CC fs/namei.o CC kernel/ptrace.o CC fs/fcntl.o CC kernel/user.o CC fs/ioctl.o CC fs/readdir.o CC kernel/signal.o CC kernel/sys.o CC fs/select.o CC kernel/kmod.o CC fs/dcache.o CC kernel/workqueue.o CC fs/inode.o CC fs/attr.o CC kernel/task_work.o CC kernel/pid.o CC lib/lockref.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o CC kernel/extable.o LD drivers/block/built-in.o CC kernel/params.o CC fs/bad_inode.o CC lib/bcd.o CC kernel/kthread.o CC kernel/nsproxy.o CC kernel/sys_ni.o CC lib/div64.o CC fs/file.o LD drivers/bus/built-in.o CC kernel/notifier.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] CC kernel/ksysfs.o CC lib/sort.o CC fs/filesystems.o LD drivers/cdrom/built-in.o CC fs/namespace.o CC kernel/cred.o CC kernel/reboot.o CC fs/seq_file.o CC lib/parser.o CC drivers/base/component.o CC drivers/char/mem.o CC lib/halfmd4.o LD drivers/clk/bcm/built-in.o CC fs/libfs.o CC fs/xattr.o CC fs/pnode.o CC fs/fs-writeback.o CC fs/sync.o CC fs/splice.o CC kernel/async.o LD drivers/clk/ti/built-in.o CC kernel/range.o CC fs/utimes.o CC fs/stack.o CC kernel/smpboot.o CC lib/debug_locks.o CC lib/random32.o CC fs/fs_struct.o LD kernel/livepatch/built-in.o LD drivers/clk/built-in.o CC lib/bust_spinlocks.o CC kernel/printk/printk.o CC kernel/power/qos.o CC drivers/base/core.o CC kernel/locking/mutex.o CC fs/statfs.o CC kernel/irq/irqdesc.o LD drivers/clocksource/built-in.o CC kernel/rcu/update.o CC kernel/dma.o CC kernel/rcu/sync.o CC fs/fs_pin.o CC kernel/up.o LD drivers/firewire/built-in.o CC fs/nsfs.o CC lib/kasprintf.o CC lib/bitmap.o CC kernel/elfcore.o CC kernel/sched/core.o LD drivers/gpio/built-in.o CC lib/scatterlist.o CC fs/no-block.o CC kernel/time/time.o CC kernel/memremap.o LD fs/devpts/built-in.o LD fs/exofs/built-in.o LD fs/quota/built-in.o CC drivers/char/random.o CC fs/binfmt_elf.o LD drivers/firmware/broadcom/built-in.o CC kernel/sched/loadavg.o CC kernel/rcu/tiny.o CC kernel/irq/handle.o CC kernel/sched/clock.o CC lib/gcd.o LD drivers/gpu/vga/built-in.o LD fs/notify/dnotify/built-in.o LD fs/notify/fanotify/built-in.o CC fs/ramfs/inode.o LD drivers/firmware/built-in.o CC lib/lcm.o CC fs/ramfs/file-mmu.o CC kernel/sched/cputime.o CC drivers/base/bus.o CC kernel/time/timer.o CC lib/list_sort.o CC drivers/base/dd.o LD fs/notify/inotify/built-in.o CC kernel/irq/manage.o LD drivers/hwtracing/intel_th/built-in.o CC kernel/time/hrtimer.o CC kernel/irq/spurious.o CC kernel/time/itimer.o CC lib/uuid.o CC lib/flex_array.o CC lib/iov_iter.o LD drivers/gpu/drm/bridge/built-in.o LD fs/notify/built-in.o LD drivers/idle/built-in.o CC lib/clz_ctz.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/hsi/clients/built-in.o LD kernel/power/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/hsi/controllers/built-in.o CC drivers/char/misc.o CC lib/bsearch.o CC kernel/sched/idle_task.o CC lib/find_bit.o CC lib/llist.o LD drivers/gpu/drm/tilcdc/built-in.o CC kernel/irq/resend.o LD kernel/rcu/built-in.o CC lib/memweight.o LD drivers/i2c/algos/built-in.o CC kernel/irq/chip.o CC drivers/irqchip/irqchip.o LD drivers/gpu/drm/omapdrm/displays/built-in.o CC lib/kfifo.o CC kernel/locking/semaphore.o CC lib/percpu-refcount.o CC lib/percpu_ida.o LD drivers/hsi/built-in.o CC kernel/locking/rwsem.o CC lib/rhashtable.o CC lib/reciprocal_div.o CC lib/once.o LD drivers/i2c/muxes/built-in.o CC lib/string_helpers.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/i2c/busses/built-in.o CC kernel/irq/dummychip.o CC lib/hexdump.o CC lib/kstrtox.o CC drivers/base/syscore.o CC lib/pci_iomap.o LD kernel/printk/built-in.o LD drivers/gpu/drm/omapdrm/built-in.o LD drivers/i2c/built-in.o CC lib/iomap_copy.o LD drivers/leds/built-in.o LD drivers/lguest/built-in.o LD mm/built-in.o LD drivers/macintosh/built-in.o CC kernel/sched/fair.o LD drivers/gpu/drm/built-in.o LD drivers/mfd/built-in.o CC lib/devres.o CC kernel/time/posix-timers.o LD drivers/mmc/built-in.o CC lib/hweight.o CC kernel/irq/devres.o LD drivers/net/built-in.o LD drivers/nfc/built-in.o CC lib/bitrev.o CC drivers/base/driver.o LD fs/ramfs/ramfs.o LD drivers/gpu/built-in.o LD fs/ramfs/built-in.o LD drivers/char/agp/built-in.o CC kernel/locking/percpu-rwsem.o CC kernel/sched/rt.o CC kernel/sched/deadline.o LD drivers/nvme/host/built-in.o LD drivers/irqchip/built-in.o CC drivers/base/class.o LD drivers/misc/eeprom/built-in.o LD drivers/misc/cb710/built-in.o HOSTCC lib/gen_crc32table LD drivers/platform/built-in.o CC kernel/irq/irqdomain.o CC lib/atomic64.o CC lib/syscall.o LD drivers/nvme/built-in.o LD drivers/power/built-in.o CC lib/strncpy_from_user.o CC lib/argv_split.o CC lib/strnlen_user.o CC lib/cmdline.o CC drivers/base/platform.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/pwm/built-in.o CC kernel/locking/rwsem-xadd.o CC lib/ctype.o CC drivers/base/cpu.o CC kernel/time/posix-cpu-timers.o LD drivers/media/firewire/built-in.o CC drivers/of/base.o LD drivers/media/common/b2c2/built-in.o LD drivers/media/common/saa7146/built-in.o CC lib/dec_and_lock.o CC lib/decompress.o CC drivers/of/device.o LD drivers/misc/ti-st/built-in.o LD drivers/soc/bcm/built-in.o LD drivers/media/i2c/soc_camera/built-in.o LD drivers/usb/host/built-in.o LD drivers/misc/mic/bus/built-in.o CC lib/dma-noop.o CC kernel/time/timekeeping.o LD drivers/tty/ipwireless/built-in.o CC lib/dump_stack.o CC lib/earlycpio.o LD fs/built-in.o CC lib/fdt.o LD drivers/video/backlight/built-in.o LD drivers/media/i2c/built-in.o CC lib/extable.o LD drivers/media/mmc/siano/built-in.o CC drivers/base/firmware.o CC lib/fdt_empty_tree.o LD drivers/media/common/siano/built-in.o CC drivers/base/init.o LD drivers/usb/built-in.o LD drivers/char/built-in.o LD drivers/soc/fsl/built-in.o LD drivers/misc/mic/built-in.o CC lib/fdt_ro.o CC drivers/base/map.o CC lib/fdt_rw.o CC lib/fdt_strerror.o CC lib/fdt_sw.o LD drivers/media/mmc/built-in.o CC kernel/sched/stop_task.o LD drivers/tty/serial/built-in.o LD drivers/tty/vt/built-in.o CC drivers/pci/access.o LD drivers/soc/built-in.o LD drivers/media/common/built-in.o LD drivers/misc/built-in.o CC lib/fdt_wip.o CC lib/flex_proportions.o CC kernel/time/ntp.o LD drivers/media/tuners/built-in.o CC lib/idr.o CC drivers/base/devres.o CC lib/int_sqrt.o CC drivers/pci/bus.o CC kernel/sched/wait.o LD drivers/video/fbdev/core/built-in.o LD drivers/media/rc/keymaps/built-in.o CC drivers/pci/probe.o CC kernel/sched/swait.o LD drivers/media/platform/omap/built-in.o CC drivers/of/platform.o LD drivers/tty/built-in.o CC lib/ioremap.o CC kernel/sched/completion.o CC lib/irq_regs.o CC drivers/pci/pci.o CC drivers/pci/remove.o CC lib/is_single_threaded.o LD drivers/media/platform/built-in.o CC drivers/pci/host-bridge.o CC drivers/pci/pci-driver.o CC drivers/base/attribute_container.o CC drivers/base/transport_class.o LD drivers/media/rc/built-in.o CC lib/klist.o CC lib/kobject.o CC lib/kobject_uevent.o LD kernel/irq/built-in.o LD drivers/media/pci/ddbridge/built-in.o CC drivers/base/topology.o LD drivers/media/pci/b2c2/built-in.o CC lib/nmi_backtrace.o CC lib/md5.o LD kernel/locking/built-in.o CC drivers/pci/search.o CC kernel/sched/idle.o CC drivers/pci/pci-sysfs.o CC drivers/of/fdt.o CC lib/plist.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/mantis/built-in.o CC drivers/of/fdt_address.o LD drivers/media/usb/b2c2/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o CC lib/proportions.o CC drivers/base/container.o CC drivers/pci/rom.o CC lib/radix-tree.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/pci/pluto2/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/pci/pt1/built-in.o CC lib/rbtree.o CC lib/ratelimit.o LD drivers/media/usb/siano/built-in.o CC kernel/time/clocksource.o LD drivers/media/usb/s2255/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD drivers/media/usb/stkwebcam/built-in.o CC drivers/pci/setup-res.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/pci/saa7146/built-in.o CC lib/seq_buf.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/video/fbdev/omap2/omapfb/built-in.o CC drivers/of/address.o CC lib/sha1.o CC lib/show_mem.o CC drivers/pci/irq.o CC drivers/pci/vpd.o CC lib/string.o CC kernel/time/jiffies.o LD drivers/media/pci/ttpci/built-in.o CC lib/timerqueue.o CC drivers/of/irq.o CC drivers/base/property.o CC lib/vsprintf.o LD drivers/media/usb/built-in.o LD drivers/video/fbdev/omap2/built-in.o CC drivers/base/cacheinfo.o GEN lib/crc32table.h CC drivers/of/of_pci.o LD drivers/media/pci/built-in.o CC drivers/pci/setup-bus.o CC lib/crc32.o CC drivers/pci/vc.o LD drivers/video/fbdev/built-in.o LD drivers/base/power/built-in.o CC drivers/base/dma-mapping.o CC drivers/pci/syscall.o CC drivers/pci/of.o CC kernel/time/timer_list.o LD drivers/pci/host/built-in.o CC drivers/of/of_pci_irq.o LD drivers/video/built-in.o CC kernel/time/timeconv.o CC drivers/of/of_reserved_mem.o CC kernel/time/alarmtimer.o CC kernel/time/posix-clock.o CC kernel/time/timecounter.o CC kernel/time/tick-common.o CC kernel/time/clockevents.o LD drivers/media/built-in.o LD kernel/sched/built-in.o LD lib/built-in.o LD drivers/of/built-in.o LD kernel/time/built-in.o LD kernel/built-in.o LD drivers/base/built-in.o LD drivers/pci/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 SYSMAP System.map /opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-strip -s -R .comment vmlinux -o arch/powerpc/boot/vmlinux.strip make[1]: Leaving directory '/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' Completed OK # rm -rf /home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc # Build took: 0:00:12.147011