# git rev-parse -q --verify 143c97cc652949893c8056c679012f0aeccb80e5^{commit}
143c97cc652949893c8056c679012f0aeccb80e5
already have revision, skipping fetch
# git checkout -q -f -B kisskb 143c97cc652949893c8056c679012f0aeccb80e5
# git clean -qxdf
# git log -1
commit 143c97cc652949893c8056c679012f0aeccb80e5
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed Aug 23 18:16:11 2017 -0700

    Revert "pty: fix the cached path of the pty slave file descriptor in the master"
    
    This reverts commit c8c03f1858331e85d397bacccd34ef409aae993c.
    
    It turns out that while fixing the ptmx file descriptor to have the
    correct 'struct path' to the associated slave pty is a really good
    thing, it breaks some user space tools for a very annoying reason.
    
    The problem is that /dev/ptmx and its associated slave pty (/dev/pts/X)
    are on different mounts.  That was what caused us to have the wrong path
    in the first place (we would mix up the vfsmount of the 'ptmx' node,
    with the dentry of the pty slave node), but it also means that now while
    we use the right vfsmount, having the pty master open also keeps the pts
    mount busy.
    
    And it turn sout that that makes 'pbuilder' very unhappy, as noted by
    Stefan Lippers-Hollmann:
    
     "This patch introduces a regression for me when using pbuilder
      0.228.7[2] (a helper to build Debian packages in a chroot and to
      create and update its chroots) when trying to umount /dev/ptmx (inside
      the chroot) on Debian/ unstable (full log and pbuilder configuration
      file[3] attached).
    
      [...]
      Setting up build-essential (12.3) ...
      Processing triggers for libc-bin (2.24-15) ...
      I: unmounting dev/ptmx filesystem
      W: Could not unmount dev/ptmx: umount: /var/cache/pbuilder/build/1340/dev/ptmx: target is busy
              (In some cases useful info about processes that
               use the device is found by lsof(8) or fuser(1).)"
    
    apparently pbuilder tries to unmount the /dev/pts filesystem while still
    holding at least one master node open, which is arguably not very nice,
    but we don't break user space even when fixing other bugs.
    
    So this commit has to be reverted.
    
    I'll try to figure out a way to avoid caching the path to the slave pty
    in the master pty.  The only thing that actually wants that slave pty
    path is the "TIOCGPTPEER" ioctl, and I think we could just recreate the
    path at that time.
    
    Reported-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
    Cc: Eric W Biederman <ebiederm@xmission.com>
    Cc: Christian Brauner <christian.brauner@canonical.com>
    Cc: Al Viro <viro@zeniv.linux.org.uk>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 143c97cc652949893c8056c679012f0aeccb80e5
# < make -j 8 ARCH=x86_64 O=/home/kisskb/slave/build/linus_x86_64-allnoconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -j 8 ARCH=x86_64 O=/home/kisskb/slave/build/linus_x86_64-allnoconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/linus_x86_64-allnoconfig_x86_64'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
  SYSTBL  arch/x86/entry/syscalls/../../include/generated/asm/syscalls_32.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/asm/unistd_32_ia32.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/asm/unistd_64_x32.h
  SYSTBL  arch/x86/entry/syscalls/../../include/generated/asm/syscalls_64.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_32.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_64.h
  SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_x32.h
  CHK     include/config/kernel.release
  GEN     ./Makefile
  UPD     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  UPD     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  HOSTCC  arch/x86/tools/relocs_32.o
  HOSTCC  arch/x86/tools/relocs_64.o
  HOSTCC  arch/x86/tools/relocs_common.o
  Using /home/kisskb/slave/src as source for kernel
  WRAP    arch/x86/include/generated/asm/clkdev.h
  WRAP    arch/x86/include/generated/asm/dma-contiguous.h
  WRAP    arch/x86/include/generated/asm/early_ioremap.h
  WRAP    arch/x86/include/generated/asm/mcs_spinlock.h
  WRAP    arch/x86/include/generated/asm/mm-arch-hooks.h
  HOSTCC  scripts/sortextable
  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/mod/file2alias.o
  HOSTCC  scripts/mod/sumversion.o
  HOSTLD  arch/x86/tools/relocs
  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/x86/kernel/asm-offsets.s
  HOSTLD  scripts/mod/modpost
  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
  AR      usr/built-in.o
  CC      init/do_mounts.o
  CC      init/noinitramfs.o
  CC      init/calibrate.o
  CC      init/init_task.o
  UPD     include/generated/compile.h
  AS      arch/x86/entry/entry_64.o
  AR      arch/x86/crypto/built-in.o
  AS      arch/x86/entry/thunk_64.o
  CC      kernel/fork.o
  AR      certs/built-in.o
  CC      arch/x86/entry/syscall_64.o
  CC      mm/filemap.o
  CC      fs/open.o
  CC      arch/x86/entry/common.o
  AR      ipc/built-in.o
  CC      arch/x86/entry/vsyscall/vsyscall_gtod.o
  CC      arch/x86/entry/vdso/vma.o
  AR      arch/x86/entry/vsyscall/built-in.o
  LDS     arch/x86/entry/vdso/vdso.lds
  CC      fs/read_write.o
  CC      security/commoncap.o
  CC      security/min_addr.o
  CC      init/version.o
  AS      arch/x86/entry/vdso/vdso-note.o
  CC      arch/x86/entry/vdso/vclock_gettime.o
  AR      init/mounts.o
  AR      init/built-in.o
  CC      mm/mempool.o
  CC      mm/oom_kill.o
  CC      kernel/exec_domain.o
  CC      arch/x86/entry/vdso/vgetcpu.o
  CC      arch/x86/events/core.o
  AR      security/built-in.o
  CC      fs/file_table.o
  HOSTCC  arch/x86/entry/vdso/vdso2c
  CC      kernel/panic.o
  AR      crypto/built-in.o
  CC      kernel/cpu.o
  CC      kernel/exit.o
  CC      arch/x86/events/amd/core.o
  CC      mm/maccess.o
  CC      fs/super.o
  CC      mm/page_alloc.o
  CC      kernel/softirq.o
  VDSO    arch/x86/entry/vdso/vdso64.so.dbg
  CC      arch/x86/kernel/process_64.o
  OBJCOPY arch/x86/entry/vdso/vdso64.so
  VDSO2C  arch/x86/entry/vdso/vdso-image-64.c
  CC      arch/x86/entry/vdso/vdso-image-64.o
  CC      arch/x86/events/amd/uncore.o
  AR      arch/x86/entry/vdso/built-in.o
  AR      arch/x86/entry/built-in.o
  CC      arch/x86/events/amd/ibs.o
  CC      fs/char_dev.o
  CC      arch/x86/events/msr.o
  CC      arch/x86/events/intel/core.o
  CC      kernel/resource.o
  CC      arch/x86/kernel/signal.o
  CC      fs/stat.o
  AR      arch/x86/events/amd/built-in.o
  CC      fs/exec.o
  CC      fs/pipe.o
  CC      fs/namei.o
  CC      arch/x86/kernel/traps.o
  CC      kernel/sysctl.o
  CC      arch/x86/mm/init.o
  CC      arch/x86/events/intel/bts.o
  CC      arch/x86/events/intel/cqm.o
  CC      arch/x86/kernel/irq.o
  CC      arch/x86/events/intel/ds.o
  CC      mm/page-writeback.o
  CC      arch/x86/mm/init_64.o
  CC      kernel/sysctl_binary.o
  CC      arch/x86/kernel/irq_64.o
  CC      arch/x86/mm/fault.o
  CC      kernel/capability.o
  CC      mm/readahead.o
  CC      arch/x86/kernel/dumpstack_64.o
  CC      arch/x86/events/intel/knc.o
  CC      mm/swap.o
  CC      kernel/ptrace.o
  CC      kernel/user.o
  CC      arch/x86/kernel/time.o
  CC      arch/x86/mm/ioremap.o
  CC      fs/fcntl.o
  CC      arch/x86/mm/extable.o
  CC      arch/x86/events/intel/lbr.o
  CC      arch/x86/kernel/ioport.o
  CC      arch/x86/events/intel/p4.o
  CC      arch/x86/events/intel/p6.o
  CC      arch/x86/mm/pageattr.o
  CC      kernel/signal.o
  CC      arch/x86/kernel/dumpstack.o
  CC      fs/ioctl.o
  CC      mm/truncate.o
  CC      kernel/sys.o
  CC      mm/vmscan.o
  CC      arch/x86/events/intel/pt.o
  CC      arch/x86/kernel/nmi.o
  CC      fs/readdir.o
  CC      kernel/kmod.o
  CC      arch/x86/kernel/setup.o
  CC      arch/x86/mm/mmap.o
  CC      arch/x86/mm/pat.o
  CC      fs/select.o
  AR      arch/x86/events/intel/built-in.o
  AR      arch/x86/events/built-in.o
  AR      arch/x86/net/built-in.o
  AR      arch/x86/platform/atom/built-in.o
  AR      arch/x86/platform/ce4100/built-in.o
  CC      arch/x86/realmode/init.o
  AR      arch/x86/platform/efi/built-in.o
  AR      arch/x86/platform/geode/built-in.o
  AR      arch/x86/platform/goldfish/built-in.o
  AR      arch/x86/platform/intel/built-in.o
  AR      arch/x86/platform/intel-mid/built-in.o
  AR      arch/x86/platform/intel-quark/built-in.o
  AR      arch/x86/platform/iris/built-in.o
  AR      arch/x86/platform/olpc/built-in.o
  AR      arch/x86/platform/scx200/built-in.o
  CC      mm/shmem.o
  AR      arch/x86/platform/sfi/built-in.o
  AR      arch/x86/platform/ts5500/built-in.o
  AR      arch/x86/platform/uv/built-in.o
  CC      kernel/workqueue.o
  AR      arch/x86/platform/built-in.o
  AS      arch/x86/realmode/rm/header.o
  AS      arch/x86/realmode/rm/trampoline_64.o
  AS      arch/x86/realmode/rm/stack.o
  AS      arch/x86/realmode/rm/reboot.o
  PASYMS  arch/x86/realmode/rm/pasyms.h
  CC      arch/x86/kernel/x86_init.o
  LDS     arch/x86/realmode/rm/realmode.lds
  AR      block/built-in.o
  LD      arch/x86/realmode/rm/realmode.elf
  RELOCS  arch/x86/realmode/rm/realmode.relocs
  CC      arch/x86/kernel/i8259.o
  OBJCOPY arch/x86/realmode/rm/realmode.bin
  CC      kernel/pid.o
  AS      arch/x86/realmode/rmpiggy.o
  AR      arch/x86/realmode/built-in.o
  CC      arch/x86/kernel/irqinit.o
  CC      arch/x86/mm/pgtable.o
  CC      mm/util.o
  CC      arch/x86/kernel/jump_label.o
  CC      fs/dcache.o
  CC      mm/mmzone.o
  CC      arch/x86/kernel/irq_work.o
  CC      arch/x86/mm/physaddr.o
  AR      drivers/amba/built-in.o
  AR      drivers/auxdisplay/built-in.o
  CC      fs/inode.o
  CC      drivers/base/component.o
  AR      drivers/block/built-in.o
  AR      drivers/bus/built-in.o
  CC      kernel/task_work.o
  CC      arch/x86/kernel/probe_roms.o
  CC      mm/vmstat.o
  CC      arch/x86/mm/setup_nx.o
  CC      arch/x86/mm/tlb.o
  CC      drivers/base/core.o
  CC      mm/backing-dev.o
  AR      sound/built-in.o
  CC      arch/x86/kernel/sys_x86_64.o
  CC      kernel/extable.o
  CC      fs/attr.o
  AR      arch/x86/mm/built-in.o
  CC      mm/mm_init.o
  CC      mm/mmu_context.o
  CC      arch/x86/kernel/bootflag.o
  CC      mm/percpu.o
  CC      fs/bad_inode.o
  AR      drivers/cdrom/built-in.o
  CC      drivers/base/bus.o
  CC      kernel/params.o
  CC      drivers/base/dd.o
  CC      fs/file.o
  CC      arch/x86/kernel/e820.o
  CC      drivers/base/syscore.o
  CC      kernel/kthread.o
  CC      kernel/sys_ni.o
  AR      firmware/built-in.o
  CC      drivers/base/driver.o
  CC      fs/filesystems.o
  CC      fs/namespace.o
  CC      mm/slab_common.o
  CC      drivers/base/class.o
/home/kisskb/slave/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/home/kisskb/slave/src/arch/x86/kernel/e820.c:630:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
  CC      drivers/char/mem.o
  CC      arch/x86/kernel/pci-dma.o
  AR      drivers/char/ipmi/built-in.o
  CC      fs/seq_file.o
  AR      net/built-in.o
  CC      kernel/nsproxy.o
  CC      mm/compaction.o
  CC      drivers/base/platform.o
  CC      drivers/base/cpu.o
  CC      drivers/char/random.o
  CC      arch/x86/kernel/quirks.o
  CC      mm/vmacache.o
  CC      kernel/notifier.o
  CC      arch/x86/kernel/topology.o
  CC      drivers/char/misc.o
  CC      mm/swap_slots.o
  CC      arch/x86/kernel/kdebugfs.o
  AR      drivers/clk/bcm/built-in.o
  AR      drivers/clk/imgtec/built-in.o
  AR      drivers/clk/mvebu/built-in.o
  CC      drivers/base/firmware.o
  AR      drivers/clk/renesas/built-in.o
  AR      drivers/clk/ti/built-in.o
  AR      drivers/clk/built-in.o
  CC      arch/x86/kernel/alternative.o
  CC      kernel/ksysfs.o
  CC      lib/lockref.o
  CC      drivers/base/init.o
  CC      mm/interval_tree.o
  CC      kernel/cred.o
  CC      fs/xattr.o
  CC      lib/bcd.o
  AR      drivers/char/agp/built-in.o
  AR      drivers/char/built-in.o
  CC      kernel/reboot.o
  CC      lib/div64.o
  CC      lib/sort.o
  CC      drivers/base/map.o
  CC      lib/parser.o
  CC      mm/list_lru.o
  CC      arch/x86/kernel/i8253.o
  CC      drivers/base/devres.o
  CC      arch/x86/kernel/pci-nommu.o
  CC      lib/debug_locks.o
  CC      drivers/base/attribute_container.o
  CC      drivers/clocksource/i8253.o
  CC      kernel/async.o
  CC      lib/random32.o
  CC      mm/workingset.o
  CC      fs/libfs.o
  AR      drivers/clocksource/built-in.o
  CC      fs/fs-writeback.o
  CC      lib/bust_spinlocks.o
  CC      kernel/range.o
  CC      kernel/smpboot.o
  CC      arch/x86/kernel/hw_breakpoint.o
  CC      drivers/base/transport_class.o
  CC      lib/kasprintf.o
  CC      drivers/base/topology.o
  CC      mm/debug.o
  CC      lib/bitmap.o
  CC      mm/gup.o
  CC      kernel/ucount.o
  CC      arch/x86/kernel/tsc.o
  CC      kernel/events/core.o
  CC      drivers/base/container.o
  CC      arch/x86/kernel/tsc_msr.o
  CC      arch/x86/kernel/io_delay.o
  CC      fs/pnode.o
  CC      drivers/base/property.o
  CC      lib/scatterlist.o
  CC      lib/gcd.o
  CC      lib/lcm.o
  CC      arch/x86/kernel/rtc.o
  CC      arch/x86/kernel/pci-iommu_table.o
  CC      mm/highmem.o
  AR      drivers/firewire/built-in.o
  CC      fs/splice.o
  CC      arch/x86/kernel/resource.o
  CC      lib/list_sort.o
  AR      drivers/firmware/broadcom/built-in.o
  CC      arch/x86/kernel/process.o
  AR      drivers/firmware/meson/built-in.o
  AR      drivers/firmware/tegra/built-in.o
  AR      drivers/firmware/built-in.o
  CC      mm/memory.o
  CC      mm/mincore.o
  CC      kernel/irq/irqdesc.o
  CC      lib/uuid.o
  CC      lib/flex_array.o
  CC      drivers/base/cacheinfo.o
  CC      kernel/irq/handle.o
  CC      lib/iov_iter.o
  AR      drivers/base/power/built-in.o
  AR      drivers/base/test/built-in.o
  CC      drivers/base/dma-mapping.o
  CC      kernel/irq/manage.o
  CC      fs/sync.o
  AR      arch/x86/kernel/acpi/built-in.o
  CC      arch/x86/kernel/apic/apic.o
  CC      arch/x86/kernel/cpu/intel_cacheinfo.o
  AR      drivers/base/built-in.o
  AR      drivers/gpu/drm/bridge/synopsys/built-in.o
  AR      drivers/gpu/drm/bridge/built-in.o
  AR      drivers/gpu/drm/hisilicon/built-in.o
  AR      drivers/gpu/drm/i2c/built-in.o
  AR      drivers/gpu/drm/omapdrm/displays/built-in.o
  AR      drivers/gpu/drm/omapdrm/dss/built-in.o
  AR      drivers/gpu/drm/omapdrm/built-in.o
  AR      drivers/gpu/drm/panel/built-in.o
  AR      drivers/gpu/drm/tilcdc/built-in.o
  AR      drivers/gpu/drm/built-in.o
  AR      drivers/gpu/vga/built-in.o
  AR      drivers/gpu/built-in.o
  AR      drivers/hwtracing/intel_th/built-in.o
  AR      drivers/i2c/algos/built-in.o
  AR      drivers/i2c/busses/built-in.o
  AR      drivers/i2c/muxes/built-in.o
  AR      drivers/i2c/built-in.o
  AR      drivers/idle/built-in.o
  AR      drivers/irqchip/built-in.o
  AR      drivers/lguest/built-in.o
  AR      drivers/macintosh/built-in.o
  CC      fs/utimes.o
  AR      drivers/media/common/b2c2/built-in.o
  AR      drivers/media/common/saa7146/built-in.o
  AR      drivers/media/common/siano/built-in.o
  AR      drivers/media/common/v4l2-tpg/built-in.o
  AR      drivers/media/common/built-in.o
  AR      drivers/media/firewire/built-in.o
  CC      arch/x86/kernel/cpu/scattered.o
  CC      kernel/irq/spurious.o
  AR      drivers/media/i2c/soc_camera/built-in.o
  AR      drivers/media/i2c/built-in.o
  AR      drivers/media/mmc/siano/built-in.o
  AR      drivers/media/mmc/built-in.o
  AR      drivers/media/pci/b2c2/built-in.o
  AR      drivers/media/pci/ddbridge/built-in.o
  AR      drivers/media/pci/dm1105/built-in.o
  AR      drivers/media/pci/mantis/built-in.o
  AR      drivers/media/pci/netup_unidvb/built-in.o
  AR      drivers/media/pci/ngene/built-in.o
  AR      drivers/media/pci/pluto2/built-in.o
  AR      drivers/media/pci/pt1/built-in.o
  AR      drivers/media/pci/pt3/built-in.o
  AR      drivers/media/pci/saa7146/built-in.o
  AR      drivers/media/pci/smipcie/built-in.o
  CC      mm/mlock.o
  CC      arch/x86/kernel/cpu/topology.o
  AR      drivers/media/pci/ttpci/built-in.o
  AR      drivers/media/pci/built-in.o
  CC      arch/x86/kernel/apic/apic_noop.o
  AR      drivers/media/platform/blackfin/built-in.o
  CC      kernel/irq/resend.o
  AR      drivers/media/platform/davinci/built-in.o
  AR      drivers/media/platform/omap/built-in.o
  AR      drivers/media/platform/stm32/built-in.o
  CC      fs/stack.o
  AR      drivers/media/platform/built-in.o
  AR      drivers/media/rc/keymaps/built-in.o
  AR      drivers/media/rc/built-in.o
  AR      drivers/media/spi/built-in.o
  AR      drivers/media/tuners/built-in.o
  CC      lib/clz_ctz.o
  CC      arch/x86/kernel/cpu/common.o
  AR      drivers/media/usb/b2c2/built-in.o
  CC      lib/bsearch.o
  AR      drivers/media/usb/dvb-usb/built-in.o
  AR      drivers/media/usb/dvb-usb-v2/built-in.o
  AR      drivers/media/usb/s2255/built-in.o
  CC      lib/find_bit.o
  AR      drivers/media/usb/siano/built-in.o
  CC      arch/x86/kernel/apic/ipi.o
  AR      drivers/media/usb/stkwebcam/built-in.o
  AR      drivers/media/usb/ttusb-budget/built-in.o
  AR      drivers/media/usb/ttusb-dec/built-in.o
  CC      fs/fs_struct.o
  AR      drivers/media/usb/zr364xx/built-in.o
  CC      kernel/irq/chip.o
  AR      drivers/media/usb/built-in.o
  AR      drivers/media/built-in.o
  CC      lib/llist.o
  AR      drivers/mfd/built-in.o
  AR      drivers/misc/cb710/built-in.o
  AR      drivers/misc/eeprom/built-in.o
  AR      drivers/misc/lis3lv02d/built-in.o
  CC      lib/memweight.o
  AR      drivers/misc/mic/bus/built-in.o
  AR      drivers/misc/mic/built-in.o
  AR      drivers/misc/ti-st/built-in.o
  AR      drivers/misc/built-in.o
  AR      drivers/mmc/built-in.o
  AR      drivers/net/phy/built-in.o
  AR      drivers/net/built-in.o
  CC      lib/kfifo.o
  AR      drivers/nfc/built-in.o
  AR      drivers/nvme/host/built-in.o
  AR      drivers/nvme/target/built-in.o
  AR      drivers/nvme/built-in.o
  CC      fs/statfs.o
  AR      drivers/pci/dwc/built-in.o
  AR      drivers/perf/built-in.o
  AR      drivers/platform/x86/built-in.o
  AR      drivers/platform/built-in.o
  AR      drivers/power/built-in.o
  CC      arch/x86/kernel/apic/vector.o
  AR      drivers/ptp/built-in.o
  AR      drivers/pwm/built-in.o
  CC      drivers/rtc/rtc-lib.o
  CC      mm/mmap.o
  CC      kernel/events/ring_buffer.o
  CC      kernel/irq/dummychip.o
  CC      arch/x86/kernel/cpu/rdrand.o
  CC      arch/x86/kernel/cpu/match.o
  CC      drivers/rtc/rtc-mc146818-lib.o
  CC      fs/fs_pin.o
  CC      lib/percpu-refcount.o
  CC      arch/x86/kernel/apic/hw_nmi.o
  CC      kernel/irq/devres.o
  CC      arch/x86/kernel/cpu/bugs.o
  CC      fs/nsfs.o
  AR      drivers/rtc/built-in.o
  CC      lib/percpu_ida.o
  AR      drivers/soc/bcm/built-in.o
  AR      drivers/soc/fsl/built-in.o
  CC      kernel/irq/autoprobe.o
  AR      drivers/soc/renesas/built-in.o
  AR      drivers/soc/built-in.o
  AR      drivers/tty/ipwireless/built-in.o
  CC      arch/x86/kernel/apic/io_apic.o
  AR      drivers/tty/serial/built-in.o
  CC      arch/x86/kernel/cpu/intel.o
  AR      drivers/tty/vt/built-in.o
  AR      drivers/tty/built-in.o
  AR      drivers/video/backlight/built-in.o
  AR      drivers/video/fbdev/core/built-in.o
  AR      drivers/video/fbdev/omap2/omapfb/displays/built-in.o
  CC      kernel/events/callchain.o
  AR      drivers/video/fbdev/omap2/omapfb/dss/built-in.o
  AR      drivers/video/fbdev/omap2/omapfb/built-in.o
  AR      drivers/video/fbdev/omap2/built-in.o
  AR      drivers/video/fbdev/built-in.o
  AR      drivers/video/built-in.o
  AR      drivers/built-in.o
  CC      fs/no-block.o
  CC      arch/x86/kernel/cpu/amd.o
  CC      kernel/irq/irqdomain.o
  CC      lib/rhashtable.o
  CC      lib/reciprocal_div.o
  AR      fs/devpts/built-in.o
  AR      fs/exofs/built-in.o
  CC      mm/mprotect.o
  AR      fs/notify/dnotify/built-in.o
  AR      fs/notify/fanotify/built-in.o
  AR      fs/notify/inotify/built-in.o
  AR      fs/notify/built-in.o
  AR      fs/quota/built-in.o
  CC      fs/ramfs/inode.o
  CC      kernel/events/hw_breakpoint.o
  CC      fs/anon_inodes.o
  CC      arch/x86/kernel/cpu/centaur.o
  CC      arch/x86/kernel/cpu/perfctr-watchdog.o
  CC      fs/ramfs/file-mmu.o
/home/kisskb/slave/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/home/kisskb/slave/src/arch/x86/kernel/apic/io_apic.c:1031:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
  AR      kernel/irq/built-in.o
  CC      arch/x86/kernel/apic/apic_flat_64.o
  CC      arch/x86/kernel/apic/probe_64.o
  CC      mm/mremap.o
  AR      kernel/events/built-in.o
  AR      kernel/livepatch/built-in.o
  CC      kernel/locking/mutex.o
  CC      mm/msync.o
  AR      arch/x86/kernel/cpu/built-in.o
  CC      kernel/power/qos.o
  AR      fs/ramfs/ramfs.o
  AR      fs/ramfs/built-in.o
  AR      fs/built-in.o
  AR      arch/x86/kernel/apic/built-in.o
  CC      lib/once.o
  CC      arch/x86/lib/msr.o
  CC      arch/x86/kernel/fpu/init.o
  CC      kernel/locking/semaphore.o
  AS      arch/x86/lib/msr-reg.o
  CC      arch/x86/lib/msr-reg-export.o
  CC      lib/refcount.o
  AS      arch/x86/lib/hweight.o
  AS      arch/x86/lib/iomap_copy_64.o
  AS      arch/x86/lib/clear_page_64.o
  CC      lib/usercopy.o
  CC      kernel/locking/rwsem.o
  CC      arch/x86/lib/cmdline.o
  AR      virt/lib/built-in.o
  CC      arch/x86/kernel/fpu/bugs.o
  AR      virt/built-in.o
  CC      arch/x86/kernel/fpu/core.o
  AS      arch/x86/lib/cmpxchg16b_emu.o
  CC      mm/page_vma_mapped.o
  AS      arch/x86/lib/copy_page_64.o
  CC      mm/pagewalk.o
  AS      arch/x86/lib/copy_user_64.o
  CC      lib/errseq.o
  CC      kernel/locking/percpu-rwsem.o
  CC      arch/x86/lib/cpu.o
  AR      kernel/power/built-in.o
  CC      lib/string_helpers.o
  AS      arch/x86/lib/csum-copy_64.o
  CC      arch/x86/lib/csum-partial_64.o
  CC      kernel/printk/printk.o
  CC      mm/pgtable-generic.o
  CC      kernel/locking/rwsem-xadd.o
  CC      arch/x86/lib/csum-wrappers_64.o
  CC      lib/hexdump.o
  AR      arch/x86/kernel/kprobes/built-in.o
  CC      kernel/rcu/update.o
  CC      arch/x86/kernel/fpu/regset.o
  CC      arch/x86/lib/delay.o
  CC      kernel/rcu/sync.o
  CC      mm/rmap.o
  AR      kernel/locking/built-in.o
  CC      kernel/rcu/srcutiny.o
  CC      lib/kstrtox.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      lib/iomap.o
  AR      kernel/printk/built-in.o
  AS      arch/x86/lib/getuser.o
  CC      kernel/rcu/tiny.o
  CC      arch/x86/kernel/fpu/signal.o
  CC      arch/x86/kernel/ptrace.o
  GEN     arch/x86/lib/inat-tables.c
  CC      lib/pci_iomap.o
  CC      arch/x86/lib/insn.o
  CC      arch/x86/kernel/step.o
  AR      kernel/rcu/built-in.o
  AS      arch/x86/lib/memcpy_64.o
  CC      kernel/sched/core.o
  AS      arch/x86/lib/memmove_64.o
  CC      arch/x86/kernel/fpu/xstate.o
  AS      arch/x86/lib/memset_64.o
  CC      arch/x86/lib/misc.o
  CC      lib/iomap_copy.o
  AS      arch/x86/lib/putuser.o
  AS      arch/x86/lib/rwsem.o
  CC      arch/x86/lib/usercopy.o
  CC      mm/vmalloc.o
  CC      lib/devres.o
  CC      kernel/time/time.o
  CC      arch/x86/lib/usercopy_64.o
  CC      kernel/time/timer.o
  CC      kernel/sched/loadavg.o
  CC      lib/hweight.o
  CC      lib/swiotlb.o
  AR      arch/x86/kernel/fpu/built-in.o
  CC      kernel/sched/clock.o
  CC      arch/x86/kernel/reboot.o
  CC      arch/x86/lib/inat.o
  AR      arch/x86/lib/lib.a
  EXPORTS arch/x86/lib/lib-ksyms.o
  AR      arch/x86/lib/built-in.o
  CC      arch/x86/kernel/tsc_sync.o
  CC      kernel/sched/cputime.o
  CC      kernel/up.o
  CC      kernel/irq_work.o
  CC      kernel/time/hrtimer.o
  CC      arch/x86/kernel/mpparse.o
  CC      kernel/memremap.o
  CC      arch/x86/kernel/trace_clock.o
  CC      mm/init-mm.o
  CC      mm/nobootmem.o
  CC      kernel/sched/idle_task.o
  CC      mm/memblock.o
  CC      lib/iommu-helper.o
  CC      kernel/sched/fair.o
  CC      kernel/sched/rt.o
  CC      lib/iommu-common.o
  CC      arch/x86/kernel/hpet.o
  CC      kernel/time/timekeeping.o
  CC      arch/x86/kernel/pci-swiotlb.o
  CC      lib/syscall.o
  CC      arch/x86/kernel/sysfb.o
  CC      arch/x86/kernel/perf_regs.o
  CC      lib/strncpy_from_user.o
  CC      mm/dmapool.o
  CC      lib/strnlen_user.o
  CC      mm/sparse.o
  CC      kernel/sched/deadline.o
  CC      kernel/time/ntp.o
  CC      kernel/time/clocksource.o
  CC      lib/argv_split.o
  CC      arch/x86/kernel/unwind_guess.o
  CC      lib/chacha20.o
  CC      lib/cmdline.o
  CC      lib/ctype.o
  CC      kernel/sched/wait.o
  CC      mm/slub.o
  CC      kernel/time/jiffies.o
  CC      arch/x86/kernel/vsmp_64.o
  CC      mm/early_ioremap.o
  CC      lib/dec_and_lock.o
  AS      arch/x86/kernel/head_64.o
  CC      lib/decompress.o
  CC      kernel/sched/wait_bit.o
  CC      kernel/sched/swait.o
  CC      lib/dump_stack.o
  CC      kernel/time/timer_list.o
  CC      arch/x86/kernel/head64.o
  CC      lib/earlycpio.o
  CC      arch/x86/kernel/ebda.o
  CC      kernel/time/timeconv.o
  CC      kernel/sched/completion.o
  CC      lib/extable.o
  CC      kernel/sched/idle.o
  CC      arch/x86/kernel/platform-quirks.o
  CC      kernel/time/timecounter.o
  CC      lib/flex_proportions.o
  CC      lib/idr.o
  LDS     arch/x86/kernel/vmlinux.lds
  CC      kernel/time/alarmtimer.o
  CC      kernel/time/posix-stubs.o
  AR      arch/x86/kernel/built-in.o
  CC      lib/int_sqrt.o
  AR      arch/x86/built-in.o
  CC      kernel/time/clockevents.o
  CC      kernel/time/tick-common.o
  CC      kernel/time/tick-broadcast.o
  CC      lib/ioremap.o
  AR      kernel/sched/built-in.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/nmi_backtrace.o
  AR      mm/built-in.o
  CC      lib/nodemask.o
  CC      lib/plist.o
  AR      kernel/time/built-in.o
  AR      kernel/built-in.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/siphash.o
  CC      lib/string.o
  CC      lib/timerqueue.o
  CC      lib/vsprintf.o
  CC      lib/win_minmax.o
  AR      lib/lib.a
  EXPORTS lib/lib-ksyms.o
  AR      lib/built-in.o
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  AR      init/built-in.o
  AR      built-in.o
  LD      vmlinux.o
  MODPOST vmlinux.o
  LD      vmlinux
  SORTEX  vmlinux
  SYSMAP  System.map
  CC      arch/x86/boot/a20.o
  AS      arch/x86/boot/bioscall.o
  CC      arch/x86/boot/cmdline.o
  AS      arch/x86/boot/copy.o
  CC      arch/x86/boot/cpu.o
  CC      arch/x86/boot/cpuflags.o
  CC      arch/x86/boot/early_serial_console.o
  CC      arch/x86/boot/cpucheck.o
  CC      arch/x86/boot/edd.o
  CC      arch/x86/boot/main.o
  CC      arch/x86/boot/memory.o
  CC      arch/x86/boot/pm.o
  AS      arch/x86/boot/pmjump.o
  LDS     arch/x86/boot/compressed/vmlinux.lds
  CC      arch/x86/boot/printf.o
  AS      arch/x86/boot/compressed/head_64.o
  CC      arch/x86/boot/regs.o
  CC      arch/x86/boot/string.o
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/tty.o
  CC      arch/x86/boot/video.o
  CC      arch/x86/boot/video-mode.o
  CC      arch/x86/boot/version.o
  CC      arch/x86/boot/compressed/string.o
  CC      arch/x86/boot/compressed/cmdline.o
  CC      arch/x86/boot/video-vga.o
  CC      arch/x86/boot/video-vesa.o
  CC      arch/x86/boot/compressed/error.o
  CC      arch/x86/boot/video-bios.o
  HOSTCC  arch/x86/boot/tools/build
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  HOSTCC  arch/x86/boot/compressed/mkpiggy
  CC      arch/x86/boot/compressed/cpuflags.o
  CC      arch/x86/boot/compressed/misc.o
  GZIP    arch/x86/boot/compressed/vmlinux.bin.gz
  MKPIGGY arch/x86/boot/compressed/piggy.S
  AS      arch/x86/boot/compressed/piggy.o
  DATAREL arch/x86/boot/compressed/vmlinux
  LD      arch/x86/boot/compressed/vmlinux
  ZOFFSET arch/x86/boot/zoffset.h
  OBJCOPY arch/x86/boot/vmlinux.bin
  AS      arch/x86/boot/header.o
  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  BUILD   arch/x86/boot/bzImage
Setup is 13308 bytes (padded to 13312 bytes).
System is 595 kB
CRC cb137309
Kernel: arch/x86/boot/bzImage is ready  (#1)
make[1]: Leaving directory '/home/kisskb/slave/build/linus_x86_64-allnoconfig_x86_64'
Completed OK
# rm -rf /home/kisskb/slave/build/linus_x86_64-allnoconfig_x86_64
# Build took: 0:00:17.899512