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be07bdcb6c0862896178e13dcce107ccbcd7eb1a
already have revision, skipping fetch
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commit be07bdcb6c0862896178e13dcce107ccbcd7eb1a
Author: Balbir Singh <bsingharora@gmail.com>
Date:   Wed Sep 28 17:25:52 2016 +1000

    powerpc/hash64: Be more careful when generating tlbiel
    
    In ISA v2.05, the tlbiel instruction takes two arguments, RB and L:
    
    tlbiel RB,L
    
    +---------+---------+----+---------+---------+---------+----+
    |    31   |    /    | L  |    /    |    RB   |   274   | /  |
    | 31 - 26 | 25 - 22 | 21 | 20 - 16 | 15 - 11 |  10 - 1 | 0  |
    +---------+---------+----+---------+---------+---------+----+
    
    In ISA v2.06 tlbiel takes only one argument, RB:
    
    tlbiel RB
    
    +---------+---------+---------+---------+---------+----+
    |    31   |    /    |    /    |    RB   |   274   | /  |
    | 31 - 26 | 25 - 21 | 20 - 16 | 15 - 11 |  10 - 1 | 0  |
    +---------+---------+---------+---------+---------+----+
    
    And in ISA v3.00 tlbiel takes five arguments:
    
    tlbiel RB,RS,RIC,PRS,R
    
    +---------+---------+----+---------+----+----+---------+---------+----+
    |    31   |    RS   | /  |   RIC   |PRS | R  |    RB   |   274   | /  |
    | 31 - 26 | 25 - 21 | 20 | 19 - 18 | 17 | 16 | 15 - 11 |  10 - 1 | 0  |
    +---------+---------+----+---------+----+----+---------+---------+----+
    
    However the assembler also accepts "tlbiel RB", and generates
    "tlbiel RB,r0,0,0,0".
    
    As you can see above the L field from the v2.05 encoding overlaps with the
    reserved field of the v2.06 encoding, and the low bit of the RS field of the
    v3.00 encoding.
    
    Currently in __tlbiel() we generate two tlbiel instructions manually using hex
    constants. In the first case, for MMU_PAGE_4K, we generate "tlbiel RB,0", which
    is safe in all cases, because the L bit is zero.
    
    However in the default case we generate "tlbiel RB,1", therefore setting bit 21
    to 1.
    
    This is not an actual bug on v2.06 processors, because the CPU ignores the value
    of the reserved field. However software is supposed to encode the reserved
    fields as zero to enable forward compatibility.
    
    On v3.00 processors setting bit 21 to 1 and no other bits of RS, means we are
    using r1 for the value of RS.
    
    Although it's not obvious, the code sets the IS field (bits 10-11) to 0 (by
    omission), and L=1, in the va value, which is passed as RB. We also pass R=0 in
    the instruction.
    
    The combination of IS=0, L=1 and R=0 means the value of RS is not used, so even
    on ISA v3.00 there is no actual bug.
    
    We should still fix it, as setting a reserved bit on v2.06 is naughty, and we
    are only avoiding a bug on v3.00 by accident rather than design. Use
    ASM_FTR_IFSET() to generate the single argument form on ISA v2.06 and later, and
    the two argument form on pre v2.06.
    
    Although there may be very old toolchains which don't understand tlbiel, we have
    other code in the tree which has been using tlbiel for over five years, and no
    one has reported any build failures, so just let the assembler generate the
    instructions.
    
    Signed-off-by: Balbir Singh <bsingharora@gmail.com>
    [mpe: Rewrite change log, use IFSET instead of IFCLR]
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 be07bdcb6c0862896178e13dcce107ccbcd7eb1a
# < make -j 240 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_mpc866_ads_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  mpc866_ads_defconfig
# make -j 240 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_mpc866_ads_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_mpc866_ads_defconfig_powerpc-5.3'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
make[1]: Leaving directory `/home/kisskb/slave/build/powerpc-next_mpc866_ads_defconfig_powerpc-5.3'
make[1]: Entering directory `/home/kisskb/slave/build/powerpc-next_mpc866_ads_defconfig_powerpc-5.3'
  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
  CHK     include/generated/uapi/linux/version.h
  WRAP    arch/powerpc/include/generated/asm/vtime.h
  UPD     include/generated/uapi/linux/version.h
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/sortextable
  HOSTCC  scripts/dtc/dtc.o
  HOSTCC  scripts/dtc/flattree.o
  CC      scripts/mod/empty.o
  HOSTCC  scripts/dtc/fstree.o
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/mod/mk_elfconfig
  CC      scripts/mod/devicetable-offsets.s
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/dtc/srcpos.o
  HOSTCC  scripts/dtc/checks.o
  SHIPPED scripts/dtc/dtc-lexer.lex.c
  HOSTCC  scripts/dtc/util.o
  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
  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
  UPD     include/config/kernel.release
  Using /home/kisskb/slave/src as source for kernel
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.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/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
<stdin>:1316:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp]
<stdin>:1319:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp]
<stdin>:1322:2: warning: #warning syscall pkey_free not implemented [-Wcpp]
  CC      init/main.o
  CHK     include/generated/compile.h
  LD      usr/built-in.o
  CC      init/do_mounts.o
  CC      init/noinitramfs.o
  CC      init/init_task.o
  CC      arch/powerpc/mm/fault.o
  UPD     include/generated/compile.h
  CC      arch/powerpc/sysdev/fsl_soc.o
  CC      arch/powerpc/sysdev/fsl_mpic_err.o
  CC      arch/powerpc/mm/mem.o
  CC      arch/powerpc/sysdev/cpm_common.o
  AS      arch/powerpc/lib/string.o
  CC      arch/powerpc/mm/pgtable.o
  CC      arch/powerpc/sysdev/mpc8xx_pic.o
  CC      arch/powerpc/lib/alloc.o
  CC      arch/powerpc/kernel/cputable.o
  CC      arch/powerpc/sysdev/cpm1.o
  CC      arch/powerpc/mm/mmap.o
  CC      arch/powerpc/kernel/ptrace.o
  AS      arch/powerpc/lib/crtsavres.o
  CC      init/version.o
  CC      arch/powerpc/kernel/syscalls.o
  CC      arch/powerpc/lib/code-patching.o
  CC      arch/powerpc/kernel/irq.o
  CC      arch/powerpc/mm/pgtable_32.o
  CC      arch/powerpc/mm/mmu_context_nohash.o
  CC      arch/powerpc/lib/feature-fixups.o
  CC      arch/powerpc/mm/tlb_nohash.o
  AS      arch/powerpc/lib/div64.o
  AS      arch/powerpc/mm/tlb_nohash_low.o
  CC      arch/powerpc/mm/8xx_mmu.o
  CC      arch/powerpc/kernel/align.o
  CC      arch/powerpc/kernel/signal_32.o
  CC      arch/powerpc/mm/hugetlbpage.o
  CC      arch/powerpc/kernel/pmc.o
  CC      arch/powerpc/mm/dma-noncoherent.o
  AS      arch/powerpc/lib/copy_32.o
  CC      arch/powerpc/mm/init_32.o
  AS      arch/powerpc/lib/checksum_32.o
  CC      arch/powerpc/lib/checksum_wrappers.o
  CC      arch/powerpc/kernel/vdso.o
  CC      arch/powerpc/platforms/8xx/m8xx_setup.o
  CC      arch/powerpc/lib/rheap.o
  CC      arch/powerpc/kernel/process.o
  CPP     arch/powerpc/kernel/systbl_chk.i
  CC      arch/powerpc/platforms/8xx/mpc86xads_setup.o
  LD      arch/powerpc/crypto/built-in.o
  CC      arch/powerpc/kernel/idle.o
  CC      arch/powerpc/kernel/signal.o
  CC      arch/powerpc/kernel/sysfs.o
  CC      arch/powerpc/kernel/cacheinfo.o
  LD      arch/powerpc/net/built-in.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
  LD      certs/built-in.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
  CC      arch/powerpc/kernel/prom_parse.o
  CC      arch/powerpc/kernel/proc_powerpc.o
  AS      arch/powerpc/kernel/entry_32.o
  CC      arch/powerpc/kernel/setup_32.o
  CC      arch/powerpc/kernel/iomap.o
  CC      arch/powerpc/math-emu/math.o
  AS      arch/powerpc/kernel/head_8xx.o
  CC      arch/powerpc/math-emu/fre.o
  LDS     arch/powerpc/kernel/vmlinux.lds
  CC      arch/powerpc/math-emu/fsqrt.o
  CC      ipc/util.o
  CC      arch/powerpc/math-emu/fsqrts.o
  CC      ipc/msgutil.o
  CC      security/commoncap.o
  CC      ipc/msg.o
  CALL    /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh
  CC      ipc/sem.o
  CC      arch/powerpc/math-emu/frsqrtes.o
  CC      security/min_addr.o
  CC      ipc/shm.o
  CC      ipc/syscall.o
  CC      arch/powerpc/math-emu/mtfsf.o
  CC      ipc/ipc_sysctl.o
  AS      arch/powerpc/kernel/systbl.o
  CC      arch/powerpc/math-emu/mtfsfi.o
  CC      arch/powerpc/math-emu/fabs.o
  LDS     arch/powerpc/kernel/vdso32/vdso32.lds
  VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o
  CC      arch/powerpc/math-emu/fadd.o
  VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o
  VDSO32A arch/powerpc/kernel/vdso32/datapage.o
  CC      arch/powerpc/math-emu/fadds.o
  VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o
  CC      arch/powerpc/math-emu/fcmpo.o
  VDSO32A arch/powerpc/kernel/vdso32/note.o
  CC      arch/powerpc/math-emu/fcmpu.o
  CC      arch/powerpc/math-emu/fctiw.o
  CC      arch/powerpc/math-emu/fctiwz.o
  CC      arch/powerpc/math-emu/fdiv.o
  CC      arch/powerpc/math-emu/fdivs.o
  CC      arch/powerpc/math-emu/fmadd.o
  CC      kernel/fork.o
  LD      sound/built-in.o
  CC      arch/powerpc/math-emu/fmadds.o
  CC      arch/powerpc/math-emu/fmsub.o
  CC      kernel/exec_domain.o
  CC      arch/powerpc/math-emu/fmsubs.o
  CC      kernel/panic.o
  CC      arch/powerpc/math-emu/fmul.o
  CC      kernel/cpu.o
  CC      kernel/exit.o
  CC      arch/powerpc/math-emu/fmuls.o
  CC      kernel/softirq.o
  CC      crypto/cipher.o
  CC      crypto/api.o
  CC      mm/filemap.o
  CC      crypto/compress.o
  CC      arch/powerpc/math-emu/fnabs.o
  CC      kernel/resource.o
  CC      crypto/memneq.o
  CC      kernel/sysctl.o
  CC      mm/mempool.o
  CC      arch/powerpc/math-emu/fneg.o
  CC      crypto/crypto_wq.o
  CC      kernel/sysctl_binary.o
  CC      mm/oom_kill.o
  CC      arch/powerpc/math-emu/fnmadd.o
  CC      kernel/capability.o
  CC      crypto/algapi.o
  CC      arch/powerpc/math-emu/fnmadds.o
  LD      firmware/built-in.o
  VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg
  CC      kernel/ptrace.o
  CC      mm/maccess.o
  CC      kernel/user.o
  CC      arch/powerpc/math-emu/fnmsub.o
  CC      crypto/scatterwalk.o
  CC      crypto/proc.o
  CC      mm/page_alloc.o
  CC      crypto/aead.o
  CC      kernel/signal.o
  CC      mm/page-writeback.o
  OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so
  CC      mm/readahead.o
  CC      arch/powerpc/math-emu/fnmsubs.o
  CC      mm/swap.o
  CC      arch/powerpc/math-emu/fres.o
  CC      crypto/ablkcipher.o
  CC      kernel/sys.o
  CC      block/bio.o
  CC      arch/powerpc/math-emu/frsp.o
  CC      mm/truncate.o
  CC      arch/powerpc/math-emu/fsel.o
  CC      arch/powerpc/math-emu/lfs.o
  CC      block/elevator.o
  CC      kernel/kmod.o
  AS      arch/powerpc/kernel/vdso32/vdso32_wrapper.o
  CC      arch/powerpc/math-emu/frsqrte.o
  CC      mm/vmscan.o
  CC      crypto/blkcipher.o
  CC      block/blk-core.o
  CC      mm/shmem.o
  CC      kernel/pid.o
  CC      block/blk-tag.o
  CC      kernel/workqueue.o
  CC      crypto/skcipher.o
  CC      arch/powerpc/math-emu/fsub.o
  CC      crypto/echainiv.o
  CC      block/blk-sysfs.o
  CC      block/blk-flush.o
  CC      mm/util.o
  CC      mm/mmzone.o
  CC      arch/powerpc/math-emu/fsubs.o
  CC      mm/vmstat.o
  CC      kernel/task_work.o
  CC      arch/powerpc/math-emu/mffs.o
  CC      arch/powerpc/math-emu/mcrfs.o
  CC      block/blk-settings.o
  CC      mm/backing-dev.o
  CC      crypto/ahash.o
  CC      crypto/shash.o
  CC      block/blk-ioc.o
  CC      crypto/akcipher.o
  CC      kernel/extable.o
  CC      arch/powerpc/math-emu/mtfsb0.o
  CC      mm/mm_init.o
  CC      block/blk-map.o
  CC      block/blk-exec.o
  CC      arch/powerpc/math-emu/mtfsb1.o
  CC      crypto/kpp.o
  CC      block/blk-merge.o
  CC      kernel/params.o
  CC      mm/percpu.o
  CC      block/blk-softirq.o
  CC      arch/powerpc/math-emu/stfiwx.o
  CC      crypto/algboss.o
  CC      mm/mmu_context.o
  LD      arch/powerpc/kernel/vdso32/built-in.o
  CC      block/blk-timeout.o
  CC      arch/powerpc/math-emu/stfs.o
  CC      kernel/kthread.o
  CC      crypto/testmgr.o
  CC      mm/slab_common.o
  CC      block/blk-lib.o
  CC      mm/compaction.o
  CC      arch/powerpc/math-emu/fmr.o
  CC      kernel/sys_ni.o
  CC      block/blk-mq.o
  CC      crypto/hmac.o
  CC      mm/vmacache.o
  CC      block/blk-mq-tag.o
  CC      arch/powerpc/math-emu/lfd.o
  CC      kernel/nsproxy.o
  CC      crypto/crypto_null.o
  CC      mm/list_lru.o
  CC      block/blk-mq-sysfs.o
  CC      mm/interval_tree.o
  CC      kernel/notifier.o
  CC      arch/powerpc/math-emu/stfd.o
  CC      block/blk-mq-cpumap.o
  CC      crypto/aes_generic.o
  CC      crypto/sha256_generic.o
  CC      kernel/ksysfs.o
  CC      mm/workingset.o
  CC      block/ioctl.o
  CC      crypto/crc32c_generic.o
  CC      mm/debug.o
  CC      kernel/cred.o
  CC      block/genhd.o
  CC      crypto/rng.o
  CC      block/scsi_ioctl.o
  CC      mm/gup.o
  CC      kernel/reboot.o
  CC      mm/highmem.o
  CC      kernel/async.o
  CC      block/partition-generic.o
  CC      mm/memory.o
  CC      crypto/drbg.o
  CC      block/ioprio.o
  CC      fs/open.o
  CC      mm/mincore.o
  CC      block/badblocks.o
  CC      kernel/range.o
  CC      kernel/smpboot.o
  CC      crypto/jitterentropy.o
  CC      fs/read_write.o
  CC      kernel/ucount.o
  CC      crypto/jitterentropy-kcapi.o
  CC      mm/mmap.o
  CC      block/bounce.o
  CC      mm/mprotect.o
  LD      virt/lib/built-in.o
  CC      fs/file_table.o
  CC      block/noop-iosched.o
  CC      net/socket.o
  CC      kernel/groups.o
  CC      mm/mlock.o
  CC      fs/super.o
  CC      mm/mremap.o
  CC      mm/msync.o
  CC      block/cfq-iosched.o
  LD      net/802/built-in.o
  CC      fs/char_dev.o
  CC      block/deadline-iosched.o
  CC      mm/rmap.o
  CC      fs/stat.o
  LD      virt/built-in.o
  CC      kernel/bpf/core.o
  CC      mm/vmalloc.o
  CC      block/partitions/check.o
  CC      kernel/printk/printk.o
  CC      fs/exec.o
  CC      net/ethernet/eth.o
  CC      block/partitions/msdos.o
  CC      mm/pagewalk.o
  LD      kernel/livepatch/built-in.o
  CC      block/partitions/efi.o
  CC      kernel/power/qos.o
  CC      fs/pipe.o
  CC      fs/namei.o
  CC      mm/pgtable-generic.o
  LD      arch/powerpc/platforms/8xx/built-in.o
  CC      fs/fcntl.o
  CC      kernel/futex.o
  CC      mm/process_vm_access.o
  CC      kernel/up.o
  CC      net/netlink/af_netlink.o
  CC      net/sysctl_net.o
  LD      arch/powerpc/platforms/built-in.o
  CC      kernel/locking/mutex.o
  CC      mm/init-mm.o
  CC      kernel/kallsyms.o
  CC      fs/ioctl.o
  CC      net/netlink/genetlink.o
  CC      net/packet/af_packet.o
  CC      net/sched/sch_generic.o
  CC      kernel/locking/semaphore.o
  CC      mm/nobootmem.o
  CC      fs/readdir.o
  CC      kernel/utsname_sysctl.o
  CC      kernel/elfcore.o
  CC      net/sched/sch_mq.o
  CC      kernel/locking/rwsem.o
  LD      net/wireless/built-in.o
  CC      kernel/locking/percpu-rwsem.o
  CC      kernel/irq_work.o
  CC      kernel/rcu/update.o
  CC      mm/fadvise.o
  CC      net/unix/af_unix.o
  CC      kernel/irq/irqdesc.o
  CC      kernel/locking/rtmutex.o
  CC      fs/select.o
  CC      net/unix/garbage.o
  CC      kernel/locking/rwsem-xadd.o
  CC      kernel/membarrier.o
  CC      net/unix/sysctl_net_unix.o
  CC      net/xfrm/xfrm_policy.o
  CC      net/ipv6/addrconf_core.o
  CC      kernel/irq/handle.o
  CC      mm/madvise.o
  CC      kernel/irq/manage.o
  CC      kernel/sched/core.o
  CC      fs/dcache.o
  LD      arch/powerpc/sysdev/built-in.o
  CC      lib/lockref.o
  CC      kernel/memremap.o
  CC      kernel/time/time.o
  CC      lib/bcd.o
  CC      mm/memblock.o
  CC      net/core/sock.o
  CC      lib/div64.o
  CC      mm/dmapool.o
  CC      net/core/request_sock.o
  CC      lib/sort.o
  CC      fs/inode.o
  CC      kernel/rcu/sync.o
  CC      lib/parser.o
  CC      net/sunrpc/clnt.o
  CC      kernel/time/timer.o
  LD      arch/powerpc/mm/built-in.o
  CC      kernel/time/hrtimer.o
  CC      mm/slub.o
  CC      net/core/skbuff.o
  LD      drivers/amba/built-in.o
  CC      net/sunrpc/xprt.o
  CC      kernel/time/itimer.o
  LD      drivers/auxdisplay/built-in.o
  CC      fs/attr.o
  CC      kernel/time/posix-timers.o
  CC      mm/migrate.o
  CC      kernel/time/posix-cpu-timers.o
  CC      kernel/rcu/srcu.o
  CC      net/xfrm/xfrm_state.o
  CC      net/core/datagram.o
  CC      fs/bad_inode.o
  CC      net/core/stream.o
  LD      arch/powerpc/lib/built-in.o
  CC      net/xfrm/xfrm_hash.o
  CC      net/sunrpc/socklib.o
  CC      fs/file.o
  CC      lib/halfmd4.o
  CC      net/ipv6/exthdrs_core.o
  CC      net/sunrpc/xprtsock.o
  CC      net/sunrpc/sched.o
  CC      drivers/block/loop.o
  LD      drivers/bus/built-in.o
  CC      net/sunrpc/auth.o
  CC      fs/filesystems.o
  CC      fs/namespace.o
  CC      kernel/sched/loadavg.o
  CC      net/xfrm/xfrm_input.o
  LD      drivers/cdrom/built-in.o
  CC      kernel/sched/clock.o
  CC      lib/debug_locks.o
  CC      net/ipv6/ip6_checksum.o
  CC      net/ipv4/route.o
  CC      kernel/time/timekeeping.o
  CC      lib/random32.o
  CC      net/ipv4/inetpeer.o
  CC      net/ipv4/protocol.o
  CC      net/core/scm.o
  CC      kernel/irq/spurious.o
  CC      lib/bust_spinlocks.o
  CC      drivers/base/component.o
  CC      fs/seq_file.o
  CC      drivers/char/mem.o
  CC      kernel/time/ntp.o
  CC      fs/xattr.o
  CC      lib/kasprintf.o
  CC      fs/libfs.o
  CC      drivers/base/core.o
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  CC      kernel/irq/dummychip.o
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  CC      kernel/irq/devres.o
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  CC      net/xfrm/xfrm_sysctl.o
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  CC      net/sunrpc/auth_generic.o
  CC      net/ipv6/protocol.o
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  CC      lib/find_bit.o
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  LD      drivers/clk/built-in.o
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  CC      net/ipv4/ip_input.o
  LD      drivers/firewire/built-in.o
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  CC      lib/kfifo.o
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  CC      net/core/net_namespace.o
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  CC      net/core/secure_seq.o
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  CC      lib/percpu-refcount.o
  CC      net/ipv4/ip_forward.o
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  CC      net/ipv4/ip_sockglue.o
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  CC      net/ipv4/tcp_input.o
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  LD      fs/sysfs/built-in.o
  LD      drivers/net/ethernet/amazon/built-in.o
  LD      drivers/video/fbdev/omap2/built-in.o
  CC      lib/md5.o
  LD      drivers/net/wireless/realtek/built-in.o
  LD      drivers/net/wireless/ralink/built-in.o
  LD      drivers/net/ethernet/arc/built-in.o
  CC      drivers/tty/tty_port.o
  CC      fs/proc/proc_net.o
  LD      drivers/net/ethernet/broadcom/built-in.o
  CC      drivers/tty/tty_mutex.o
  LD      fs/notify/dnotify/built-in.o
  CC      fs/ext4/ext4_jbd2.o
  LD      drivers/net/wireless/rsi/built-in.o
  LD      drivers/video/fbdev/built-in.o
  CC      drivers/tty/tty_ldsem.o
  LD      drivers/net/ethernet/cadence/built-in.o
  CC      fs/proc/kmsg.o
  CC      fs/ext4/migrate.o
  LD      drivers/net/wireless/st/built-in.o
  CC      lib/nmi_backtrace.o
  CC      fs/ext4/mballoc.o
  LD      drivers/net/wireless/zydas/built-in.o
  LD      drivers/net/wireless/ti/built-in.o
  LD      drivers/video/built-in.o
  CC      net/ipv4/fib_semantics.o
  CC      drivers/tty/pty.o
  LD      drivers/net/ethernet/ezchip/built-in.o
  CC      fs/proc/page.o
  CC      lib/nodemask.o
  CC      fs/ext4/block_validity.o
  CC      lib/plist.o
  CC      drivers/net/phy/swphy.o
  CC      drivers/rtc/rtc-proc.o
  CC      fs/ext4/move_extent.o
  CC      net/ipv4/fib_trie.o
  CC      lib/radix-tree.o
  CC      net/ipv4/inet_fragment.o
  CC      drivers/rtc/rtc-sysfs.o
  CC      drivers/net/phy/fixed_phy.o
  LD      drivers/net/ethernet/i825xx/built-in.o
  LD      drivers/net/wireless/built-in.o
  CC      lib/ratelimit.o
  LD      drivers/net/ethernet/marvell/built-in.o
  LD      drivers/net/ethernet/intel/built-in.o
  CC      fs/nfs/mount_clnt.o
  LD      drivers/tty/ipwireless/built-in.o
  CC      net/ipv4/ping.o
  CC      lib/rbtree.o
  CC      drivers/rtc/rtc-generic.o
  CC      lib/seq_buf.o
  CC      net/ipv4/ip_tunnel_core.o
  LD      drivers/net/ethernet/micrel/built-in.o
  CC      lib/sha1.o
  CC      fs/nfs/nfstrace.o
  LD      drivers/tty/vt/built-in.o
  LD      drivers/net/ethernet/natsemi/built-in.o
  CC      fs/nfs/nfsroot.o
  CC      fs/nfs/sysctl.o
  LD      drivers/net/ethernet/netronome/built-in.o
  CC      drivers/tty/serial/serial_core.o
  CC      lib/show_mem.o
  LD      kernel/printk/built-in.o
  CC      lib/string.o
  CC      drivers/net/ethernet/freescale/fs_enet/fs_enet-main.o
  CC      fs/nfs/nfs2super.o
  LD      drivers/net/ethernet/renesas/built-in.o
  LD      drivers/net/ethernet/qualcomm/emac/built-in.o
  CC      fs/nfs/proc.o
  CC      net/ipv4/gre_offload.o
  LD      drivers/net/ethernet/samsung/built-in.o
  LD      drivers/net/ethernet/rocker/built-in.o
  CC      net/ipv4/sysctl_net_ipv4.o
  CC      drivers/tty/serial/cpm_uart/cpm_uart_core.o
  LD      drivers/net/ethernet/stmicro/built-in.o
  CC      net/ipv4/proc.o
  LD      drivers/net/ethernet/seeq/built-in.o
  LD      drivers/net/ethernet/qualcomm/built-in.o
  CC      fs/ext4/mmp.o
  CC      net/ipv4/syncookies.o
  CC      fs/nfs/nfs2xdr.o
  LD      lib/zlib_inflate/zlib_inflate.o
  LD      drivers/net/ethernet/synopsys/built-in.o
  LD      lib/zlib_inflate/built-in.o
  CC      lib/timerqueue.o
  CC      fs/nfs/nfs3super.o
  LD      drivers/net/ethernet/via/built-in.o
  LD      drivers/net/ethernet/wiznet/built-in.o
  CC      fs/ext4/indirect.o
  CC      lib/vsprintf.o
  CC      net/ipv4/xfrm4_mode_beet.o
  CC      drivers/net/ethernet/freescale/fs_enet/mac-scc.o
  CC      fs/nfs/nfs3client.o
  CC      drivers/tty/serial/cpm_uart/cpm_uart_cpm1.o
  LD      drivers/net/ethernet/xilinx/built-in.o
  CC      fs/ext4/extents_status.o
  CC      lib/win_minmax.o
  CC      drivers/net/ethernet/freescale/fs_enet/mac-fec.o
  CC      fs/nfs/nfs3proc.o
  CC      drivers/net/ethernet/freescale/fs_enet/mii-fec.o
  CC      net/ipv4/xfrm4_mode_transport.o
  CC      fs/nfs/nfs3xdr.o
  CC      fs/ext4/xattr.o
  CC      fs/ext4/xattr_user.o
  CC      net/ipv4/xfrm4_mode_tunnel.o
  GEN     lib/crc32table.h
  CC      fs/ext4/xattr_trusted.o
  CC      fs/ext4/inline.o
  CC      net/ipv4/ipconfig.o
  CC      net/ipv4/inet_diag.o
  CC      lib/crc32.o
  CC      fs/ext4/readpage.o
  CC      fs/ext4/sysfs.o
  CC      net/ipv4/tcp_diag.o
  CC      net/ipv4/tcp_cubic.o
  CC      net/ipv4/xfrm4_policy.o
  CC      net/ipv4/xfrm4_state.o
  LD      drivers/soc/fsl/qe/built-in.o
  LD      drivers/soc/fsl/built-in.o
  CC      net/ipv4/xfrm4_input.o
  CC      net/ipv4/xfrm4_output.o
  LD      drivers/soc/built-in.o
  CC      net/ipv4/xfrm4_protocol.o
  LD      fs/kernfs/built-in.o
  LD      drivers/input/serio/built-in.o
  LD      fs/notify/inotify/built-in.o
  LD      fs/notify/built-in.o
  LD      net/unix/unix.o
  LD      net/unix/built-in.o
  LD      kernel/sched/built-in.o
  LD      drivers/input/input-core.o
  LD      drivers/input/keyboard/built-in.o
  LD      net/sunrpc/sunrpc.o
  LD      net/sunrpc/built-in.o
  LD      net/netlink/built-in.o
  LD      fs/ext2/ext2.o
  LD      fs/ext2/built-in.o
  LD      drivers/rtc/rtc-core.o
  LD      drivers/rtc/built-in.o
  LD      drivers/base/built-in.o
  LD      kernel/time/built-in.o
  LD      kernel/built-in.o
  LD      fs/lockd/lockd.o
  LD      fs/lockd/built-in.o
  LD      drivers/of/built-in.o
  LD      block/built-in.o
  LD      fs/jbd2/jbd2.o
  LD      fs/jbd2/built-in.o
  LD      drivers/net/phy/libphy.o
  LD      drivers/net/phy/built-in.o
  LD      net/packet/built-in.o
  LD      drivers/tty/serial/cpm_uart/cpm_uart.o
  LD      drivers/tty/serial/cpm_uart/built-in.o
  LD      drivers/net/ethernet/freescale/fs_enet/fs_enet.o
  LD      drivers/net/ethernet/freescale/fs_enet/built-in.o
  LD      drivers/net/ethernet/freescale/built-in.o
  LD      drivers/net/ethernet/built-in.o
  LD      drivers/net/built-in.o
  LD      net/xfrm/built-in.o
  LD      drivers/hid/hid.o
  LD      drivers/hid/built-in.o
  LD      fs/proc/proc.o
  LD      drivers/input/mouse/psmouse.o
  LD      drivers/input/mouse/built-in.o
  LD      fs/proc/built-in.o
  LD      drivers/input/built-in.o
  LD      fs/nfs/nfsv2.o
  LD      mm/built-in.o
  LD      fs/nfs/nfsv3.o
  LD      fs/nfs/nfs.o
  LD      fs/nfs/built-in.o
  LD      drivers/tty/serial/built-in.o
  LD      drivers/tty/built-in.o
  LD      drivers/built-in.o
  AR      lib/lib.a
  EXPORTS lib/lib-ksyms.o
  LD      lib/built-in.o
  LD      fs/ext4/ext4.o
  LD      fs/ext4/built-in.o
  LD      fs/built-in.o
  LD      net/core/built-in.o
  LD      net/ipv4/built-in.o
  LD      net/built-in.o
  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
  KSYM    .tmp_kallsyms1.o
  KSYM    .tmp_kallsyms2.o
  LD      vmlinux
  SORTEX  vmlinux
  SYSMAP  System.map
  BOOTCC  arch/powerpc/boot/cpm-serial.o
  BOOTAS  arch/powerpc/boot/crt0.o
  BOOTAS  arch/powerpc/boot/crtsavres.o
  COPY    arch/powerpc/boot/zlib.h
  BOOTCC  arch/powerpc/boot/cuboot.o
  COPY    arch/powerpc/boot/zconf.h
  COPY    arch/powerpc/boot/zutil.h
  COPY    arch/powerpc/boot/inffast.h
  COPY    arch/powerpc/boot/inffixed.h
  COPY    arch/powerpc/boot/inflate.h
  COPY    arch/powerpc/boot/inftrees.h
  COPY    arch/powerpc/boot/infutil.h
  BOOTCC  arch/powerpc/boot/devtree.o
  BOOTAS  arch/powerpc/boot/div64.o
  COPY    arch/powerpc/boot/fdt.h
  BOOTCC  arch/powerpc/boot/elf_util.o
  COPY    arch/powerpc/boot/libfdt.h
  COPY    arch/powerpc/boot/libfdt_internal.h
  BOOTCC  arch/powerpc/boot/fsl-soc.o
  BOOTCC  arch/powerpc/boot/main.o
  BOOTCC  arch/powerpc/boot/mpc52xx-psc.o
  BOOTCC  arch/powerpc/boot/mpc8xx.o
  BOOTCC  arch/powerpc/boot/mpsc.o
  BOOTCC  arch/powerpc/boot/ns16550.o
  BOOTCC  arch/powerpc/boot/ofconsole.o
  BOOTCC  arch/powerpc/boot/oflib.o
  BOOTAS  arch/powerpc/boot/opal-calls.o
  BOOTCC  arch/powerpc/boot/opal.o
  BOOTCC  arch/powerpc/boot/planetcore.o
  BOOTCC  arch/powerpc/boot/serial.o
/home/kisskb/slave/src/arch/powerpc/boot/mpc8xx.c: In function 'mpc885_get_clock':
/home/kisskb/slave/src/arch/powerpc/boot/mpc8xx.c:27:26: warning: variable 'div' set but not used [-Wunused-but-set-variable]
  int mfi, mfn, mfd, pdf, div;
                          ^
  BOOTCC  arch/powerpc/boot/simple_alloc.o
  BOOTCC  arch/powerpc/boot/stdio.o
  BOOTAS  arch/powerpc/boot/string.o
  BOOTCC  arch/powerpc/boot/stdlib.o
  BOOTCC  arch/powerpc/boot/uartlite.o
  BOOTAS  arch/powerpc/boot/util.o
  BOOTCC  arch/powerpc/boot/cuboot-8xx.o
  BOOTCC  arch/powerpc/boot/ep88xc.o
  BOOTCC  arch/powerpc/boot/epapr.o
  BOOTCC  arch/powerpc/boot/of.o
/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc -m32 -Wp,-MD,arch/powerpc/boot/.zImage.lds.d  -nostdinc -isystem /opt/cross/gcc-5.3.0-nolibc/powerpc64-linux/bin/../lib/gcc/powerpc64-linux/5.3.0/include -I/home/kisskb/slave/src/arch/powerpc/include -I./arch/powerpc/include/generated/uapi -I./arch/powerpc/include/generated  -I/home/kisskb/slave/src/include -I./include -I/home/kisskb/slave/src/arch/powerpc/include/uapi -I/home/kisskb/slave/src/include/uapi -I./include/generated/uapi -include /home/kisskb/slave/src/include/linux/kconfig.h -D__KERNEL__  -I/home/kisskb/slave/src/arch/powerpc -E -Wp,-MD,arch/powerpc/boot/.zImage.lds.d -P -Upowerpc \
		-D__ASSEMBLY__ -DLINKER_SCRIPT -o arch/powerpc/boot/zImage.lds /home/kisskb/slave/src/arch/powerpc/boot/zImage.lds.S
  BOOTAS  arch/powerpc/boot/fixed-head.o
  BOOTCC  arch/powerpc/boot/redboot-8xx.o
  HOSTCC  arch/powerpc/boot/addnote
  HOSTCC  arch/powerpc/boot/hack-coff
  HOSTCC  arch/powerpc/boot/mktree
  DTC     arch/powerpc/boot/mpc866ads.dtb
  COPY    arch/powerpc/boot/inffast.c
  COPY    arch/powerpc/boot/inflate.c
  COPY    arch/powerpc/boot/inftrees.c
  COPY    arch/powerpc/boot/fdt.c
  COPY    arch/powerpc/boot/fdt_ro.c
  COPY    arch/powerpc/boot/fdt_rw.c
  COPY    arch/powerpc/boot/fdt_strerror.c
  COPY    arch/powerpc/boot/fdt_sw.c
  COPY    arch/powerpc/boot/fdt_wip.c
  BOOTCC  arch/powerpc/boot/inffast.o
  BOOTCC  arch/powerpc/boot/inftrees.o
  BOOTCC  arch/powerpc/boot/libfdt-wrapper.o
  BOOTCC  arch/powerpc/boot/empty.o
  COPY    arch/powerpc/boot/decompress_inflate.c
  BOOTCC  arch/powerpc/boot/fdt.o
  BOOTCC  arch/powerpc/boot/fdt_ro.o
  BOOTCC  arch/powerpc/boot/fdt_rw.o
  BOOTCC  arch/powerpc/boot/fdt_strerror.o
  BOOTCC  arch/powerpc/boot/fdt_sw.o
  BOOTCC  arch/powerpc/boot/fdt_wip.o
  BOOTCC  arch/powerpc/boot/inflate.o
  BOOTCC  arch/powerpc/boot/decompress.o
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c: In function 'main':
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
   PUT_64(ph + PH_OFFSET, ns);
   ^
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:183:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
   PUT_64(ph + PH_FILESZ, nnote);
   ^
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:188:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
   PUT_64(ph + PH_OFFSET, ns);
   ^
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:206:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
   PUT_64(ph + PH_FILESZ, nnote2);
   ^
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
/home/kisskb/slave/src/arch/powerpc/boot/addnote.c:211:3: warning: right shift count >= width of type [enabled by default]
  BOOTAR  arch/powerpc/boot/wrapper.a
  WRAP    arch/powerpc/boot/cuImage.mpc866ads
INFO: Uncompressed kernel (size 0x41f314) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Image Name:   Linux-4.9.0-rc1-165098-gbe07bdc
Created:      Mon Oct 24 22:50:54 2016
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2050686 Bytes = 2002.62 kB = 1.96 MB
Load Address: 00500000
Entry Point:  005001a8
rm arch/powerpc/boot/mpc866ads.dtb
make[1]: Leaving directory `/home/kisskb/slave/build/powerpc-next_mpc866_ads_defconfig_powerpc-5.3'
Completed OK
# rm -rf /home/kisskb/slave/build/powerpc-next_mpc866_ads_defconfig_powerpc-5.3
# Build took: 0:00:24.422345