# git rev-parse -q --verify f7316abaadeb7afd16e8064fff659127c16876ea^{commit}
f7316abaadeb7afd16e8064fff659127c16876ea
already have revision, skipping fetch
# git checkout -q -f -B kisskb f7316abaadeb7afd16e8064fff659127c16876ea
# git clean -qxdf
# git log -1
commit f7316abaadeb7afd16e8064fff659127c16876ea
Author: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date:   Thu Jul 20 17:36:56 2017 +1000

    powerpc/mm/radix: Workaround prefetch issue with KVM
    
    There's a somewhat architectural issue with Radix MMU and KVM.
    
    When coming out of a guest with AIL (ie, MMU enabled), we start
    executing hypervisor code with the PID register still containing
    whatever the guest has been using.
    
    The problem is that the CPU can (and will) then start prefetching
    or speculatively load from whatever host context has that same
    PID (if any), thus bringing translations for that context into
    the TLB, which Linux doesn't know about.
    
    This can cause stale translations and subsequent crashes.
    
    Fixing this in a way that is neither racy nor a huge performance
    impact is difficult. We could just make the host invalidations
    always use broadcast forms but that would hurt single threaded
    programs for example.
    
    We chose to fix it instead by partitioning the PID space between
    guest and host. This is possible because today Linux only use 19
    out of the 20 bits of PID space, so existing guests will work
    if we make the host use the top half of the 20 bits space.
    
    We additionally add a property to indicate to Linux the size of
    the PID register which will be useful if we eventually have
    processors with a larger PID space available.
    
    There is still an issue with malicious guests purposefully setting
    the PID register to a value in the host range. Hopefully future HW
    can prevent that, but in the meantime, we handle it with a pair of
    kludges:
    
     - On the way out of a guest, before we clear the current VCPU
    in the PACA, we check the PID and if it's outside of the permitted
    range we flush the TLB for that PID.
    
     - When context switching, if the mm is "new" on that CPU (the
    corresponding bit was set for the first time in the mm cpumask), we
    check if any sibling thread is in KVM (has a non-NULL VCPU pointer
    in the PACA). If that is the case, we also flush the PID for that
    CPU (core).
    
    This second part is needed to handle the case where a process is
    migrated (or starts a new pthread) on a sibling thread of the CPU
    coming out of KVM, as there's a window where stale translations
    can exist before we detect it and flush them out.
    
    A future optimization could be added by keeping track of whether
    the PID has ever been used and avoid doing that for completely
    fresh PIDs. We could similarily mark PIDs that have been the subject of
    a global invalidation as "fresh". But for now this will do.
    
    Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux-gcc --version
# < git log --format=%s --max-count=1 f7316abaadeb7afd16e8064fff659127c16876ea
# < make -j 48 ARCH=sh O=/home/kisskb/slave/build/powerpc-fixes_sh-defconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux-  defconfig
# make -j 48 ARCH=sh O=/home/kisskb/slave/build/powerpc-fixes_sh-defconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/powerpc-fixes_sh-defconfig_sh4'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
  CHK     include/config/kernel.release
  GEN     ./Makefile
  WRAP    arch/sh/include/generated/asm/bitsperlong.h
  WRAP    arch/sh/include/generated/asm/clkdev.h
  WRAP    arch/sh/include/generated/asm/delay.h
  WRAP    arch/sh/include/generated/asm/current.h
  WRAP    arch/sh/include/generated/asm/div64.h
  WRAP    arch/sh/include/generated/asm/emergency-restart.h
  WRAP    arch/sh/include/generated/asm/errno.h
  WRAP    arch/sh/include/generated/asm/exec.h
  WRAP    arch/sh/include/generated/asm/fcntl.h
  WRAP    arch/sh/include/generated/asm/ioctl.h
  WRAP    arch/sh/include/generated/asm/ipcbuf.h
  WRAP    arch/sh/include/generated/asm/irq_regs.h
  WRAP    arch/sh/include/generated/asm/irq_work.h
  WRAP    arch/sh/include/generated/asm/kvm_para.h
  WRAP    arch/sh/include/generated/asm/local.h
  WRAP    arch/sh/include/generated/asm/local64.h
  CHK     include/generated/uapi/linux/version.h
  WRAP    arch/sh/include/generated/asm/mcs_spinlock.h
  WRAP    arch/sh/include/generated/asm/mm-arch-hooks.h
  WRAP    arch/sh/include/generated/asm/mman.h
  WRAP    arch/sh/include/generated/asm/msgbuf.h
  WRAP    arch/sh/include/generated/asm/param.h
  WRAP    arch/sh/include/generated/asm/parport.h
  WRAP    arch/sh/include/generated/asm/percpu.h
  WRAP    arch/sh/include/generated/asm/poll.h
  UPD     include/generated/uapi/linux/version.h
  WRAP    arch/sh/include/generated/asm/preempt.h
  WRAP    arch/sh/include/generated/asm/resource.h
  WRAP    arch/sh/include/generated/asm/rwsem.h
  WRAP    arch/sh/include/generated/asm/sembuf.h
  WRAP    arch/sh/include/generated/asm/serial.h
  WRAP    arch/sh/include/generated/asm/shmbuf.h
  WRAP    arch/sh/include/generated/asm/sizes.h
  WRAP    arch/sh/include/generated/asm/socket.h
  WRAP    arch/sh/include/generated/asm/statfs.h
  WRAP    arch/sh/include/generated/asm/termbits.h
  WRAP    arch/sh/include/generated/asm/termios.h
  WRAP    arch/sh/include/generated/asm/trace_clock.h
  WRAP    arch/sh/include/generated/asm/ucontext.h
  WRAP    arch/sh/include/generated/asm/xor.h
  WRAP    arch/sh/include/generated/uapi/asm/siginfo.h
  UPD     include/config/kernel.release
  Using /home/kisskb/slave/src as source for kernel
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  HOSTCC  scripts/conmakehash
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  CC      scripts/mod/devicetable-offsets.s
  Generating include/generated/machtypes.h
  CHK     scripts/mod/devicetable-offsets.h
  UPD     scripts/mod/devicetable-offsets.h
  CHK     include/generated/timeconst.h
  CC      kernel/bounds.s
  UPD     include/generated/timeconst.h
  CHK     include/generated/bounds.h
  MKELF   scripts/mod/elfconfig.h
  UPD     include/generated/bounds.h
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/sumversion.o
  CC      arch/sh/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>:1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp]
<stdin>:1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp]
<stdin>:1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp]
<stdin>:1326:2: warning: #warning syscall statx not implemented [-Wcpp]
  HOSTLD  scripts/mod/modpost
  AR      usr/built-in.o
  CC      init/main.o
  CHK     include/generated/compile.h
  CC      init/do_mounts.o
  CC      init/do_mounts_rd.o
  CC      init/noinitramfs.o
  CC      init/init_task.o
  AR      arch/sh/boards/built-in.o
  UPD     include/generated/compile.h
  CC      arch/sh/mm/alignment.o
  CC      init/version.o
  CC      arch/sh/mm/cache.o
  CC      arch/sh/mm/init.o
  CC      arch/sh/mm/consistent.o
  CC      arch/sh/mm/mmap.o
  CC      arch/sh/mm/cache-sh2.o
  CC      arch/sh/mm/extable_32.o
  CC      arch/sh/mm/asids-debugfs.o
  CC      arch/sh/mm/nommu.o
  AR      certs/built-in.o
  AS      arch/sh/kernel/debugtraps.o
  CC      arch/sh/kernel/dma-nommu.o
  CC      arch/sh/kernel/dumpstack.o
  CC      arch/sh/kernel/idle.o
  CC      arch/sh/kernel/io.o
  CC      arch/sh/kernel/irq_32.o
  CC      arch/sh/kernel/irq.o
  CC      arch/sh/kernel/kdebugfs.o
  CC      arch/sh/kernel/machvec.o
  CC      arch/sh/kernel/nmi_debug.o
  CC      arch/sh/kernel/ptrace.o
  CC      arch/sh/kernel/process.o
  CC      arch/sh/kernel/process_32.o
  CC      arch/sh/kernel/ptrace_32.o
  CC      arch/sh/kernel/sys_sh.o
  CC      arch/sh/kernel/setup.o
  CC      arch/sh/kernel/signal_32.o
  AS      arch/sh/kernel/syscalls_32.o
  CC      arch/sh/kernel/topology.o
  CC      arch/sh/kernel/return_address.o
  CC      arch/sh/kernel/sys_sh32.o
  CC      arch/sh/kernel/reboot.o
  CC      arch/sh/kernel/traps.o
  CC      arch/sh/kernel/traps_32.o
  CC      arch/sh/kernel/time.o
  CC      arch/sh/kernel/module.o
  CC      arch/sh/kernel/sh_ksyms_32.o
  CC      arch/sh/kernel/iomap.o
  CC      arch/sh/kernel/unwinder.o
  CC      arch/sh/kernel/disassemble.o
  CC      arch/sh/kernel/perf_event.o
  CC      kernel/fork.o
  CC      arch/sh/kernel/perf_callchain.o
  CC      arch/sh/kernel/hw_breakpoint.o
  CC      arch/sh/kernel/cpu/irq/imask.o
  AS      arch/sh/kernel/head_32.o
  CC      arch/sh/kernel/cpu/clock-cpg.o
  LDS     arch/sh/kernel/vmlinux.lds
  CC      arch/sh/kernel/cpu/init.o
  AS      arch/sh/kernel/cpu/sh2/ex.o
  CC      fs/open.o
  CC      mm/filemap.o
  CC      mm/mempool.o
  CC      arch/sh/kernel/cpu/clock.o
  CC      mm/oom_kill.o
  CC      mm/maccess.o
  CC      mm/page_alloc.o
  CC      arch/sh/kernel/cpu/sh2/probe.o
  CC      mm/page-writeback.o
  CC      kernel/panic.o
  CC      kernel/exec_domain.o
  CC      ipc/mqueue.o
  CC      mm/readahead.o
  AS      arch/sh/kernel/cpu/sh2/entry.o
  CC      fs/read_write.o
  CC      ipc/msgutil.o
  CC      kernel/cpu.o
  CC      arch/sh/kernel/cpu/sh2/setup-sh7619.o
/home/kisskb/slave/src/arch/sh/kernel/cpu/sh2/../../entry-common.S: Assembler messages:
/home/kisskb/slave/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:389: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence
/home/kisskb/slave/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:392: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence
  CC      kernel/exit.o
  CC      arch/sh/kernel/cpu/sh2/clock-sh7619.o
  CC      security/commoncap.o
  CC      kernel/softirq.o
  CC      kernel/resource.o
  CC      ipc/namespace.o
  CC      kernel/sysctl.o
  CC      arch/sh/kernel/cpu/fpu.o
  CC      fs/file_table.o
  CC      fs/super.o
  CC      mm/swap.o
  CC      fs/char_dev.o
/home/kisskb/slave/src/arch/sh/kernel/cpu/clock-cpg.c: In function 'cpg_clk_init':
/home/kisskb/slave/src/arch/sh/kernel/cpu/clock-cpg.c:52:3: warning: 'arch_init_clk_ops' is deprecated (declared at /home/kisskb/slave/src/arch/sh/include/asm/clock.h:7) [-Wdeprecated-declarations]
/home/kisskb/slave/src/arch/sh/kernel/cpu/clock-cpg.c: In function 'arch_clk_init':
/home/kisskb/slave/src/arch/sh/kernel/cpu/clock-cpg.c:76:2: warning: 'cpg_clk_init' is deprecated (declared at /home/kisskb/slave/src/arch/sh/kernel/cpu/clock-cpg.c:46) [-Wdeprecated-declarations]
  AR      arch/sh/mm/built-in.o
  CC      mm/truncate.o
  CC      fs/stat.o
  CC      mm/vmscan.o
  CC      fs/exec.o
  CC      arch/sh/kernel/cpu/pfc.o
  CC      mm/shmem.o
  AR      arch/sh/kernel/cpu/irq/built-in.o
  CC      fs/pipe.o
  CC      mm/util.o
  CC      arch/sh/kernel/cpu/proc.o
  CC      mm/mmzone.o
  CC      fs/namei.o
  CC      fs/fcntl.o
  CC      mm/vmstat.o
  CC      mm/backing-dev.o
  CC      fs/ioctl.o
  CC      mm/mm_init.o
  CC      mm/mmu_context.o
  CC      fs/readdir.o
  CC      ipc/mq_sysctl.o
  CC      mm/percpu.o
  CC      kernel/capability.o
  CC      kernel/sysctl_binary.o
  AR      arch/sh/kernel/cpu/sh2/built-in.o
  CC      kernel/ptrace.o
  CC      kernel/user.o
  CC      mm/slab_common.o
  CC      kernel/signal.o
  AR      arch/sh/kernel/cpu/built-in.o
  CC      fs/select.o
  CC      kernel/sys.o
  AR      arch/sh/kernel/built-in.o
  CC      crypto/api.o
  CC      block/bio.o
  AR      init/mounts.o
  AR      sound/built-in.o
  AR      init/built-in.o
  CC      fs/dcache.o
  CC      crypto/cipher.o
  CC      kernel/kmod.o
  CC      crypto/compress.o
  CC      mm/compaction.o
  CC      mm/vmacache.o
  CC      fs/inode.o
  AR      firmware/built-in.o
  CC      kernel/workqueue.o
  CC      kernel/pid.o
  AR      drivers/amba/built-in.o
  CC      fs/attr.o
  CC      mm/swap_slots.o
  CC      fs/bad_inode.o
  AR      drivers/auxdisplay/built-in.o
  CC      mm/interval_tree.o
  CC      kernel/task_work.o
  CC      kernel/extable.o
  AR      ipc/built-in.o
  CC      mm/list_lru.o
  CC      fs/file.o
  CC      mm/workingset.o
  CC      mm/debug.o
  AR      arch/sh/drivers/dma/built-in.o
  AR      security/built-in.o
  CC      fs/filesystems.o
  CC      mm/nommu.o
  CC      kernel/params.o
  CC      arch/sh/drivers/heartbeat.o
  CC      mm/init-mm.o
  CC      fs/namespace.o
  CC      kernel/kthread.o
  CC      crypto/memneq.o
  CC      crypto/crypto_wq.o
  CC      fs/seq_file.o
  CC      net/socket.o
  CC      fs/xattr.o
  CC      crypto/algapi.o
  CC      mm/bootmem.o
  CC      mm/fadvise.o
  CC      mm/memblock.o
  AS      arch/sh/lib/movmem.o
  CC      mm/dmapool.o
  CC      drivers/base/component.o
  CC      mm/slab.o
  CC      fs/libfs.o
  CC      arch/sh/lib/ashldi3.o
  CC      fs/fs-writeback.o
  CC      kernel/sys_ni.o
  CC      kernel/nsproxy.o
  CC      kernel/notifier.o
  CC      mm/quicklist.o
  CC      fs/pnode.o
  CC      kernel/ksysfs.o
  AR      arch/sh/drivers/built-in.o
  CC      fs/splice.o
  CC      kernel/cred.o
  CC      kernel/reboot.o
  CC      kernel/async.o
  CC      fs/sync.o
  CC      crypto/scatterwalk.o
/home/kisskb/slave/src/mm/bootmem.c: In function 'mark_bootmem':
/home/kisskb/slave/src/mm/bootmem.c:385:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      kernel/range.o
  CC      arch/sh/lib/lshrdi3.o
  CC      arch/sh/lib/ashrdi3.o
  CC      fs/utimes.o
  CC      crypto/proc.o
  CC      block/elevator.o
  CC      fs/stack.o
  CC      kernel/smpboot.o
  CC      drivers/base/core.o
  CC      crypto/aead.o
  CC      kernel/ucount.o
  CC      kernel/groups.o
  CC      block/blk-core.o
  CC      lib/lockref.o
  AS      arch/sh/lib/ashlsi3.o
  AS      arch/sh/lib/ashrsi3.o
  CC      kernel/bpf/core.o
  CC      fs/fs_struct.o
  CC      fs/statfs.o
  AS      arch/sh/lib/ashiftrt.o
  CC      kernel/events/core.o
  AS      arch/sh/lib/lshrsi3.o
  CC      fs/fs_pin.o
  CC      fs/nsfs.o
  CC      lib/bcd.o
  CC      lib/div64.o
  AR      kernel/livepatch/built-in.o
  CC      block/blk-tag.o
  AS      arch/sh/lib/udiv_qrnnd.o
  CC      fs/buffer.o
  CC      arch/sh/lib/io.o
  CC      kernel/power/qos.o
  CC      kernel/irq/irqdesc.o
  CC      lib/sort.o
  CC      block/blk-sysfs.o
  CC      kernel/locking/mutex.o
  CC      block/blk-flush.o
  CC      crypto/ablkcipher.o
  CC      fs/block_dev.o
  CC      kernel/printk/printk.o
  CC      crypto/blkcipher.o
  CC      kernel/futex.o
  CC      fs/direct-io.o
  CC      crypto/skcipher.o
  CC      kernel/rcu/update.o
  CC      kernel/rcu/sync.o
  CC      fs/mpage.o
  CC      lib/parser.o
  CC      kernel/up.o
  CC      kernel/time/time.o
  CC      kernel/uid16.o
  AS      arch/sh/lib/checksum.o
  CC      kernel/module.o
  CC      fs/proc_namespace.o
  CC      kernel/sched/core.o
  CC      fs/debugfs/inode.o
  CC      arch/sh/lib/delay.o
  AR      fs/exofs/built-in.o
  CC      fs/exportfs/expfs.o
  CC      fs/devpts/inode.o
  CC      kernel/kallsyms.o
  CC      crypto/ahash.o
  CC      fs/ext2/balloc.o
  CC      kernel/rcu/srcutree.o
  CC      lib/debug_locks.o
  CC      kernel/rcu/tree.o
  CC      kernel/utsname.o
  CC      kernel/irq/handle.o
  CC      lib/random32.o
  CC      arch/sh/lib/div64-generic.o
  CC      fs/jbd2/transaction.o
  CC      block/blk-settings.o
  CC      lib/bust_spinlocks.o
  AS      arch/sh/lib/div64.o
  CC      block/blk-ioc.o
  CC      fs/ext4/balloc.o
  AS      arch/sh/lib/memchr.o
/home/kisskb/slave/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields':
/home/kisskb/slave/src/kernel/rcu/srcutree.c:99:33: warning: 'levelspread[<U93c0>]' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/kernel/rcu/srcutree.c:66:6: note: 'levelspread[<U93c0>]' was declared here
  CC      crypto/shash.o
  CC      kernel/rcu/rcu_segcblist.o
  CC      kernel/pid_namespace.o
  AS      arch/sh/lib/memcpy.o
  CC      crypto/akcipher.o
  AS      arch/sh/lib/memmove.o
  CC      fs/kernfs/mount.o
  CC      block/blk-map.o
  CC      kernel/irq/manage.o
  CC      kernel/hung_task.o
  CC      kernel/power/poweroff.o
/home/kisskb/slave/src/kernel/sched/core.c: In function 'pick_next_task':
/home/kisskb/slave/src/kernel/sched/core.c:3218:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      lib/kasprintf.o
  CC      kernel/utsname_sysctl.o
  CC      kernel/locking/semaphore.o
  AS      arch/sh/lib/strlen.o
  AS      arch/sh/lib/memset.o
  CC      crypto/kpp.o
  AR      fs/exportfs/exportfs.o
  CC      block/blk-exec.o
  CC      lib/bitmap.o
  CC      fs/minix/bitmap.o
  AR      fs/exportfs/built-in.o
  AS      arch/sh/lib/udivsi3.o
  AR      fs/devpts/devpts.o
  AS      arch/sh/lib/udivsi3_i4i-Os.o
  CC      fs/lockd/clntlock.o
  AR      fs/devpts/built-in.o
  CC      fs/debugfs/file.o
  CC      crypto/acompress.o
  CC      kernel/elfcore.o
  AR      mm/built-in.o
  AR      arch/sh/lib/lib.a
  AR      kernel/power/built-in.o
  CC      crypto/scompress.o
  CC      fs/nfs_common/grace.o
  CC      drivers/base/bus.o
  CC      fs/notify/fsnotify.o
  EXPORTS arch/sh/lib/lib-ksyms.o
  CC      lib/scatterlist.o
  CC      kernel/irq_work.o
  CC      kernel/membarrier.o
  AR      arch/sh/lib/built-in.o
  CC      kernel/memremap.o
  AR      fs/quota/built-in.o
  CC      fs/notify/notification.o
  AR      virt/lib/built-in.o
  CC      fs/ext2/dir.o
  AR      virt/built-in.o
  AR      net/802/built-in.o
  CC      crypto/algboss.o
  CC      fs/romfs/storage.o
  CC      fs/ramfs/inode.o
  CC      fs/sysfs/file.o
  CC      kernel/time/timer.o
  CC      fs/nfs/client.o
  CC      block/blk-merge.o
  CC      kernel/time/hrtimer.o
  CC      net/bpf/test_run.o
  CC      fs/eventpoll.o
  CC      block/blk-softirq.o
  CC      block/blk-timeout.o
  CC      fs/kernfs/inode.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      fs/proc/nommu.o
  AR      kernel/bpf/built-in.o
  CC      fs/proc/task_nommu.o
  CC      crypto/testmgr.o
  CC      fs/ramfs/file-nommu.o
  CC      block/blk-lib.o
  CC      crypto/aes_generic.o
  CC      crypto/crypto_null.o
  CC      kernel/locking/rwsem.o
  CC      kernel/locking/percpu-rwsem.o
  CC      block/blk-mq.o
  CC      fs/minix/itree_v1.o
  CC      crypto/crc32c_generic.o
  CC      fs/notify/group.o
  CC      drivers/base/dd.o
  CC      lib/gcd.o
  CC      fs/notify/mark.o
  CC      net/core/sock.o
  CC      fs/notify/fdinfo.o
  AR      fs/nfs_common/built-in.o
  CC      kernel/irq/spurious.o
  CC      fs/anon_inodes.o
  CC      kernel/locking/rtmutex.o
  CC      lib/lcm.o
  CC      fs/jbd2/recovery.o
  CC      fs/jbd2/commit.o
  CC      fs/romfs/super.o
  AR      fs/debugfs/debugfs.o
  CC      lib/list_sort.o
  AR      fs/debugfs/built-in.o
  CC      crypto/rng.o
  CC      lib/uuid.o
  CC      kernel/locking/rwsem-spinlock.o
  CC      fs/signalfd.o
  CC [M]  crypto/echainiv.o
  CC      fs/sysfs/dir.o
  CC      block/blk-mq-tag.o
  CC [M]  crypto/hmac.o
  CC      fs/ext4/bitmap.o
  CC      fs/proc/inode.o
  CC      lib/flex_array.o
  CC      block/blk-stat.o
  CC      fs/notify/dnotify/dnotify.o
  CC      block/blk-mq-sysfs.o
  CC      fs/lockd/clntproc.o
  CC [M]  crypto/sha256_generic.o
  CC      lib/iov_iter.o
  CC      fs/kernfs/dir.o
  CC      fs/proc/root.o
  CC      fs/timerfd.o
  CC      kernel/printk/printk_safe.o
  CC [M]  crypto/drbg.o
  AR      fs/notify/fanotify/built-in.o
  AR      net/bpf/built-in.o
  CC      fs/minix/itree_v2.o
  AR      fs/ramfs/ramfs.o
  AR      fs/ramfs/built-in.o
  CC      net/ethernet/eth.o
  CC      fs/ext2/file.o
  CC      drivers/base/syscore.o
  CC      fs/eventfd.o
  CC      kernel/time/ntp.o
  CC      kernel/time/timekeeping.o
  CC      fs/notify/inotify/inotify_fsnotify.o
  CC      kernel/irq/resend.o
  CC      fs/sysfs/symlink.o
  CC      block/blk-mq-cpumap.o
  CC      kernel/sched/loadavg.o
  CC      lib/clz_ctz.o
  CC [M]  crypto/jitterentropy.o
  AR      drivers/bus/built-in.o
  CC      drivers/block/brd.o
  CC      fs/proc/base.o
  AR      fs/romfs/romfs.o
  CC [M]  crypto/jitterentropy-kcapi.o
  AR      drivers/cdrom/built-in.o
  CC      fs/aio.o
  AR      fs/romfs/built-in.o
  CC      fs/locks.o
  CC      lib/bsearch.o
  AR      kernel/printk/built-in.o
  AR      crypto/crypto.o
  CC      fs/binfmt_script.o
  AR      fs/notify/dnotify/built-in.o
  AR      crypto/crypto_algapi.o
  AR      crypto/crypto_blkcipher.o
  CC      fs/ext4/block_validity.o
  CC      fs/ext4/dir.o
  CC      drivers/char/mem.o
  AR      crypto/crypto_hash.o
  AR      crypto/crypto_acompress.o
  AR      kernel/locking/built-in.o
  CC      kernel/irq/chip.o
  CC      lib/find_bit.o
  CC      fs/notify/inotify/inotify_user.o
  AR      crypto/cryptomgr.o
  CC      fs/jbd2/checkpoint.o
  CC      block/blk-mq-sched.o
  CC      lib/llist.o
  CC      fs/ext2/ialloc.o
  CC      fs/ext2/inode.o
  CC      net/core/request_sock.o
  CC      fs/jbd2/revoke.o
  CC      fs/proc/generic.o
  CC      block/ioctl.o
  CC      fs/minix/namei.o
  CC      drivers/base/driver.o
  CC      block/genhd.o
  CC      fs/sysfs/mount.o
  CC      fs/sysfs/group.o
  CC      block/partition-generic.o
  CC      lib/memweight.o
  CC      kernel/sched/clock.o
  CC      lib/kfifo.o
  AR      crypto/built-in.o
  CC      lib/percpu-refcount.o
  CC      fs/binfmt_elf_fdpic.o
  LD [M]  crypto/jitterentropy_rng.o
  CC      fs/mbcache.o
  CC      block/ioprio.o
  CC      lib/percpu_ida.o
  CC      fs/nfs/dir.o
  CC      fs/coredump.o
  CC      fs/drop_caches.o
  CC      fs/kernfs/file.o
  CC      fs/fhandle.o
  CC      kernel/time/clocksource.o
  CC      net/core/skbuff.o
  AR      net/ethernet/built-in.o
  CC      fs/jbd2/journal.o
  AR      fs/notify/inotify/built-in.o
  CC      kernel/sched/cputime.o
  CC      drivers/block/loop.o
  AR      fs/notify/built-in.o
  CC      fs/lockd/clntxdr.o
  CC      drivers/base/class.o
  AR      fs/sysfs/built-in.o
  CC      drivers/base/platform.o
  CC      fs/lockd/host.o
  CC      drivers/base/cpu.o
/home/kisskb/slave/src/fs/binfmt_elf_fdpic.c: In function 'elf_fdpic_dump_segments':
/home/kisskb/slave/src/fs/binfmt_elf_fdpic.c:1491:17: warning: unused variable 'addr' [-Wunused-variable]
  CC      fs/ext4/ext4_jbd2.o
  CC      kernel/sched/idle_task.o
  CC      lib/rhashtable.o
  CC      drivers/char/random.o
  CC      lib/reciprocal_div.o
  AR      kernel/rcu/built-in.o
  CC      fs/ext4/extents.o
  CC      fs/ext2/ioctl.o
  CC      fs/ext4/extents_status.o
  CC      fs/minix/inode.o
  CC      fs/ext4/file.o
  CC      lib/once.o
  CC      fs/minix/file.o
  CC      lib/refcount.o
  CC      kernel/irq/dummychip.o
  CC      fs/proc/array.o
  CC      block/badblocks.o
  CC      block/scsi_ioctl.o
  CC      lib/usercopy.o
  CC      fs/ext4/fsmap.o
  CC      lib/errseq.o
  CC      block/noop-iosched.o
  CC      block/deadline-iosched.o
  CC      block/partitions/check.o
  CC      block/cfq-iosched.o
  CC      net/ipv4/route.o
  CC      lib/string_helpers.o
  CC      drivers/base/firmware.o
  CC      kernel/sched/fair.o
  AR      drivers/char/ipmi/built-in.o
  CC      drivers/base/init.o
  CC      lib/kstrtox.o
  CC      lib/hexdump.o
  CC      fs/ext2/namei.o
  CC      fs/kernfs/symlink.o
  CC      lib/iomap_copy.o
  CC      kernel/events/ring_buffer.o
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      kernel/sched/rt.o
  CC      fs/minix/dir.o
  CC      lib/devres.o
/home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      drivers/clk/clk-devres.o
  CC      kernel/irq/devres.o
  CC      fs/lockd/svc.o
  CC      lib/hweight.o
/home/kisskb/slave/src/fs/ext4/file.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      net/core/datagram.o
  CC      drivers/base/map.o
  CC      kernel/time/jiffies.o
  CC      block/mq-deadline.o
  CC      fs/ext4/fsync.o
  CC      drivers/base/devres.o
  CC      lib/smp_processor_id.o
  CC      kernel/irq/irqdomain.o
  CC      lib/bitrev.o
  CC      lib/crc16.o
  CC      drivers/base/attribute_container.o
  CC      block/partitions/msdos.o
  AR      fs/kernfs/built-in.o
  CC      drivers/base/transport_class.o
  CC      block/kyber-iosched.o
  CC      block/blk-mq-debugfs.o
/home/kisskb/slave/src/block/cfq-iosched.c: In function 'cfq_async_queue_prio':
/home/kisskb/slave/src/block/cfq-iosched.c:3827:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      fs/proc/fd.o
  CC      fs/lockd/svclock.o
  CC      fs/proc/proc_tty.o
  CC      drivers/clk/clk-bulk.o
  HOSTCC  lib/gen_crc32table
  CC      kernel/irq/proc.o
  CC      lib/syscall.o
  CC      lib/nlattr.o
  CC      block/partitions/efi.o
  CC      net/ipv6/addrconf_core.o
  CC      lib/atomic64.o
  CC      net/ipv6/exthdrs_core.o
  CC      kernel/time/timer_list.o
  CC      fs/ext2/super.o
  CC      lib/dynamic_queue_limits.o
  CC      lib/strncpy_from_user.o
  CC      lib/strnlen_user.o
  CC      drivers/base/topology.o
  CC      fs/ext4/hash.o
  CC      fs/proc/cmdline.o
  CC      drivers/base/container.o
  CC      fs/ext2/symlink.o
  CC      lib/net_utils.o
  CC      fs/ext4/ialloc.o
  CC      lib/sg_pool.o
  CC      drivers/clk/clkdev.o
  CC      lib/sbitmap.o
  CC      drivers/base/property.o
  CC      kernel/time/timeconv.o
  CC      drivers/char/misc.o
  CC      kernel/sched/deadline.o
  CC      lib/fonts/fonts.o
/home/kisskb/slave/src/fs/ext4/fsync.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      fs/proc/consoles.o
  CC      lib/argv_split.o
  CC      lib/bug.o
  CC      fs/ext4/indirect.o
  CC      drivers/base/cacheinfo.o
  CC      kernel/events/callchain.o
  AR      fs/minix/minix.o
  CC      fs/ext4/inline.o
  CC      lib/chacha20.o
  AR      fs/minix/built-in.o
  CC      net/core/stream.o
  CC      net/core/scm.o
  CC      fs/proc/cpuinfo.o
  CC      net/core/gen_stats.o
  CC      kernel/sched/wait.o
  CC      drivers/base/power/clock_ops.o
  CC      fs/proc/devices.o
  CC      net/core/gen_estimator.o
  CC      fs/proc/interrupts.o
  CC      lib/fonts/font_8x16.o
  CC      fs/lockd/svcshare.o
  AR      kernel/irq/built-in.o
  CC      kernel/time/timecounter.o
  AR      drivers/base/test/built-in.o
  AR      drivers/block/built-in.o
  CC      kernel/time/alarmtimer.o
  AR      drivers/crypto/built-in.o
  CC      drivers/clocksource/sh_cmt.o
  CC      lib/cmdline.o
  CC      drivers/base/dma-mapping.o
  CC      kernel/time/posix-timers.o
  AR      fs/jbd2/jbd2.o
  CC      lib/ctype.o
  CC      lib/dec_and_lock.o
  CC      kernel/time/posix-cpu-timers.o
  AR      drivers/firewire/built-in.o
  CC      lib/decompress.o
  CC      net/ipv4/inetpeer.o
  AR      fs/jbd2/built-in.o
  CC      net/ipv4/protocol.o
  AR      drivers/base/power/built-in.o
  CC      drivers/base/dma-coherent.o
  CC      lib/dump_stack.o
  AR      drivers/char/agp/built-in.o
  CC      fs/ext4/inode.o
  AR      drivers/clk/bcm/built-in.o
  CC      fs/proc/loadavg.o
  AR      drivers/firmware/broadcom/built-in.o
  AR      block/partitions/built-in.o
  CC      drivers/char/hw_random/core.o
  CC      net/ipv6/ip6_checksum.o
  CC      lib/earlycpio.o
  CC      drivers/base/firmware_class.o
  CC      net/ipv6/ip6_icmp.o
  CC      fs/proc/meminfo.o
  CC      lib/extable.o
  CC      net/ipv6/output_core.o
  AR      drivers/firmware/meson/built-in.o
  AR      drivers/clk/mvebu/built-in.o
  CC      fs/nfs/file.o
  CC      lib/flex_proportions.o
  CC      lib/idr.o
  AR      lib/fonts/font.o
  CC      lib/int_sqrt.o
  AR      drivers/firmware/tegra/built-in.o
/home/kisskb/slave/src/fs/ext4/indirect.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  AR      drivers/gpu/drm/hisilicon/built-in.o
  CC      fs/proc/stat.o
  AR      drivers/clk/renesas/built-in.o
  AR      lib/fonts/built-in.o
  CC      lib/irq_regs.o
  CC      fs/lockd/svcproc.o
  AR      drivers/firmware/built-in.o
  CC      fs/proc/uptime.o
  AR      drivers/gpu/drm/bridge/synopsys/built-in.o
  CC      net/ipv4/ip_input.o
  AR      drivers/gpu/drm/i2c/built-in.o
  AR      drivers/clk/ti/built-in.o
  CC      lib/is_single_threaded.o
  CC      kernel/sched/wait_bit.o
  AR      drivers/gpu/drm/bridge/built-in.o
  CC      lib/klist.o
  CC      kernel/events/hw_breakpoint.o
  CC      lib/kobject.o
/home/kisskb/slave/src/fs/ext4/inline.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  AR      drivers/clk/built-in.o
  CC      net/core/net_namespace.o
  AR      drivers/gpu/drm/omapdrm/displays/built-in.o
  CC      drivers/hwmon/hwmon.o
  CC      drivers/base/module.o
  AR      drivers/gpu/drm/panel/built-in.o
  CC      lib/kobject_uevent.o
  AR      drivers/gpu/drm/omapdrm/dss/built-in.o
  AR      drivers/gpu/drm/tilcdc/built-in.o
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  CC      net/core/secure_seq.o
  CC      drivers/hid/hid-core.o
  AR      drivers/gpu/drm/omapdrm/built-in.o
  CC      lib/nodemask.o
  CC      lib/nmi_backtrace.o
  CC      fs/proc/version.o
  AR      drivers/gpu/drm/built-in.o
  CC      lib/plist.o
  AR      fs/ext2/ext2.o
  AR      fs/ext2/built-in.o
  CC      fs/proc/softirqs.o
  CC      lib/radix-tree.o
  CC      lib/ratelimit.o
  CC      lib/rbtree.o
  CC      fs/ext4/ioctl.o
  CC      kernel/sched/swait.o
  CC      fs/proc/namespaces.o
  CC      fs/proc/self.o
  CC      net/ipv4/ip_fragment.o
  CC      net/core/flow_dissector.o
  CC      kernel/time/posix-clock.o
  CC      lib/sha1.o
  CC      lib/seq_buf.o
  AR      drivers/gpu/vga/built-in.o
  CC      fs/lockd/svcsubs.o
  AR      drivers/gpu/built-in.o
  AR      drivers/hwtracing/intel_th/built-in.o
  CC      fs/proc/thread_self.o
  CC      net/ipv6/protocol.o
  CC      kernel/time/itimer.o
  CC      net/ipv6/ip6_offload.o
  CC      lib/show_mem.o
  CC      lib/siphash.o
  CC      net/core/sysctl_net_core.o
  CC      fs/proc/proc_sysctl.o
  CC      net/ipv4/ip_forward.o
  AR      drivers/char/hw_random/rng-core.o
  CC      drivers/i2c/i2c-boardinfo.o
  AR      drivers/char/hw_random/built-in.o
  CC      net/ipv6/tcpv6_offload.o
  AR      drivers/char/built-in.o
  AR      drivers/base/built-in.o
  CC      lib/string.o
  AR      kernel/events/built-in.o
  CC      lib/timerqueue.o
  AR      drivers/idle/built-in.o
  CC      fs/ext4/mballoc.o
  CC      fs/proc/proc_net.o
  AR      drivers/clocksource/built-in.o
  AR      drivers/irqchip/built-in.o
  AR      drivers/lguest/built-in.o
  CC      drivers/input/input.o
  CC      lib/vsprintf.o
  CC      kernel/sched/completion.o
  CC      lib/win_minmax.o
  AR      drivers/macintosh/built-in.o
  AR      drivers/hwmon/built-in.o
  CC      fs/proc/kmsg.o
  CC      kernel/sched/idle.o
  GEN     lib/crc32table.h
  CC      kernel/sched/stats.o
  CC      kernel/sched/debug.o
  CC      lib/crc32.o
  AR      drivers/mfd/built-in.o
  CC      net/ipv4/ip_options.o
  CC      fs/nfs/getroot.o
  CC      fs/nfs/inode.o
  CC      net/ipv6/exthdrs_offload.o
  AR      drivers/i2c/algos/built-in.o
  AR      drivers/mmc/built-in.o
  CC      fs/lockd/mon.o
  AR      drivers/misc/cb710/built-in.o
  CC      net/ipv4/ip_output.o
  AR      drivers/i2c/busses/built-in.o
  CC      net/core/dev.o
  CC      net/core/ethtool.o
  CC      kernel/time/clockevents.o
  CC      kernel/time/tick-common.o
  AR      drivers/misc/eeprom/built-in.o
  AR      drivers/misc/lis3lv02d/built-in.o
  CC      drivers/net/Space.o
  AR      drivers/media/common/b2c2/built-in.o
  CC      net/core/dev_addr_lists.o
  CC      net/ipv4/ip_sockglue.o
  AR      drivers/i2c/muxes/built-in.o
  CC      net/core/dst.o
  CC      net/core/netevent.o
  CC      net/core/neighbour.o
  CC [M]  drivers/i2c/i2c-core.o
  AR      drivers/misc/ti-st/built-in.o
  CC      fs/ext4/migrate.o
  AR      drivers/media/common/saa7146/built-in.o
  AR      drivers/misc/mic/bus/built-in.o
  AR      drivers/misc/mic/built-in.o
  AR      drivers/media/common/siano/built-in.o
/home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_ext_map_blocks':
/home/kisskb/slave/src/fs/ext4/extents.c:2361:19: warning: 'len' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/fs/ext4/extents.c:2326:14: note: 'len' was declared here
/home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_map_blocks':
/home/kisskb/slave/src/fs/ext4/inode.c:580:5: warning: 'retval' may be used uninitialized in this function [-Wuninitialized]
  AR      drivers/media/common/v4l2-tpg/built-in.o
  CC      drivers/net/loopback.o
  AR      drivers/misc/built-in.o
  CC      drivers/hid/hid-input.o
  AR      drivers/i2c/built-in.o
  AR      drivers/media/common/built-in.o
  CC      net/core/rtnetlink.o
  CC      drivers/hid/hid-debug.o
/home/kisskb/slave/src/fs/ext4/mballoc.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  AR      drivers/nfc/built-in.o
  CC      drivers/hid/hid-generic.o
  AR      drivers/media/firewire/built-in.o
  CC      kernel/time/sched_clock.o
  AR      drivers/media/i2c/soc_camera/built-in.o
  AR      drivers/pci/dwc/built-in.o
  AR      drivers/nvme/host/built-in.o
  CC      fs/lockd/xdr.o
  AR      drivers/media/i2c/built-in.o
  CC      fs/lockd/clnt4xdr.o
/home/kisskb/slave/src/net/core/ethtool.c: In function 'ethtool_get_feature_mask':
/home/kisskb/slave/src/net/core/ethtool.c:314:1: warning: control reaches end of non-void function [-Wreturn-type]
  AR      drivers/net/ethernet/8390/built-in.o
  AR      drivers/media/mmc/siano/built-in.o
  AR      drivers/perf/built-in.o
  CC      fs/ext4/mmp.o
  AR      drivers/nvme/target/built-in.o
  CC      fs/ext4/move_extent.o
  AR      drivers/media/mmc/built-in.o
  AR      net/ipv6/built-in.o
  AR      drivers/platform/built-in.o
  AR      drivers/power/built-in.o
  AR      drivers/net/ethernet/alacritech/built-in.o
  CC      net/ipv4/inet_hashtables.o
  AR      drivers/nvme/built-in.o
  AR      drivers/ptp/built-in.o
  AR      drivers/pwm/built-in.o
  CC      net/netlink/af_netlink.o
  AR      drivers/media/pci/b2c2/built-in.o
  CC      drivers/rtc/rtc-lib.o
  AR      drivers/net/ethernet/amazon/built-in.o
  CC      net/core/utils.o
  CC      net/core/link_watch.o
  CC      drivers/hid/hid-a4tech.o
  AR      drivers/media/pci/ddbridge/built-in.o
  AR      drivers/media/platform/blackfin/built-in.o
  AR      drivers/net/ethernet/aquantia/built-in.o
  CC      net/ipv4/inet_timewait_sock.o
  AR      drivers/net/ethernet/arc/built-in.o
  AR      drivers/media/pci/mantis/built-in.o
  AR      drivers/net/phy/built-in.o
  AR      drivers/media/pci/dm1105/built-in.o
  AR      drivers/media/platform/davinci/built-in.o
  CC      kernel/time/timekeeping_debug.o
  CC      drivers/sh/clk/core.o
  CC      net/ipv4/inet_connection_sock.o
  CC      fs/nfs/super.o
  AR      drivers/net/ethernet/broadcom/built-in.o
  AR      drivers/media/pci/netup_unidvb/built-in.o
  AR      drivers/media/platform/omap/built-in.o
  AR      drivers/media/pci/ngene/built-in.o
  AR      drivers/net/ethernet/cadence/built-in.o
  CC      drivers/scsi/scsi.o
  AR      drivers/media/pci/pluto2/built-in.o
  CC      drivers/hid/hid-apple.o
  AR      drivers/media/pci/pt1/built-in.o
  AR      drivers/media/platform/stm32/built-in.o
  AR      drivers/media/rc/keymaps/built-in.o
  AR      drivers/rtc/built-in.o
  CC      fs/lockd/xdr4.o
  AR      drivers/soc/bcm/built-in.o
  AR      drivers/media/pci/pt3/built-in.o
  CC      net/core/filter.o
  AR      drivers/soc/fsl/built-in.o
  AR      drivers/media/pci/saa7146/built-in.o
  AR      drivers/net/ethernet/ezchip/built-in.o
  AR      drivers/media/platform/built-in.o
  AR      drivers/media/pci/smipcie/built-in.o
  AR      drivers/media/rc/built-in.o
  AR      drivers/media/pci/ttpci/built-in.o
  AR      drivers/soc/renesas/built-in.o
  AR      drivers/net/ethernet/i825xx/built-in.o
  AR      drivers/net/wireless/admtek/built-in.o
  AR      drivers/net/wireless/ath/built-in.o
  AR      drivers/media/pci/built-in.o
  CC      fs/lockd/svc4proc.o
  AR      drivers/media/spi/built-in.o
  AR      drivers/net/ethernet/intel/built-in.o
  AR      drivers/soc/built-in.o
  AR      drivers/net/wireless/atmel/built-in.o
  CC      fs/ext4/namei.o
/home/kisskb/slave/src/fs/ext4/move_extent.c: In function 'ext4_inode_journal_mode':
/home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:423:1: warning: control reaches end of non-void function [-Wreturn-type]
  AR      drivers/media/tuners/built-in.o
  AR      drivers/net/wireless/broadcom/built-in.o
  AR      kernel/time/built-in.o
  CC      net/core/sock_diag.o
  AR      fs/proc/proc.o
  CC      net/ipv4/tcp.o
  CC      drivers/hid/hid-belkin.o
  AR      drivers/net/ethernet/marvell/built-in.o
  AR      fs/proc/built-in.o
  AR      drivers/net/wireless/cisco/built-in.o
  AR      drivers/net/wireless/intel/built-in.o
  CC      fs/ext4/page-io.o
  AR      drivers/net/wireless/marvell/built-in.o
  CC      fs/nfs/io.o
  AR      drivers/net/wireless/intersil/built-in.o
  CC      drivers/tty/tty_io.o
  AR      drivers/net/ethernet/micrel/built-in.o
  AR      drivers/net/wireless/mediatek/built-in.o
  AR      drivers/net/wireless/quantenna/built-in.o
  CC      drivers/hid/hid-cherry.o
  AR      drivers/media/usb/b2c2/built-in.o
  AR      drivers/net/wireless/ralink/built-in.o
  CC      drivers/video/backlight/backlight.o
  CC      drivers/sh/intc/access.o
  CC      drivers/sh/intc/chip.o
  AR      drivers/watchdog/built-in.o
  AR      drivers/net/wireless/rsi/built-in.o
  CC      fs/lockd/procfs.o
  AR      drivers/net/wireless/realtek/built-in.o
  AR      drivers/net/wireless/st/built-in.o
  AR      drivers/net/ethernet/natsemi/built-in.o
  AR      drivers/media/usb/dvb-usb/built-in.o
  CC      drivers/hid/hid-chicony.o
  AR      block/built-in.o
  AR      drivers/net/wireless/ti/built-in.o
  CC      drivers/hid/hid-cypress.o
  AR      drivers/net/wireless/zydas/built-in.o
  AR      drivers/media/usb/dvb-usb-v2/built-in.o
  AR      drivers/net/ethernet/netronome/built-in.o
  AR      drivers/net/wireless/built-in.o
  AR      drivers/net/ethernet/qualcomm/emac/built-in.o
  CC      drivers/video/console/dummycon.o
  CC      fs/ext4/readpage.o
  AR      drivers/net/ethernet/renesas/built-in.o
  CC      net/ipv4/tcp_input.o
  AR      drivers/media/usb/s2255/built-in.o
  CC      net/core/dev_ioctl.o
  CC      drivers/sh/pm_runtime.o
  CC      drivers/sh/clk/cpg.o
  AR      drivers/media/usb/siano/built-in.o
  AR      kernel/sched/built-in.o
  AR      drivers/net/ethernet/qualcomm/built-in.o
  AR      drivers/net/ethernet/rocker/built-in.o
  AR      drivers/media/usb/stkwebcam/built-in.o
  AR      kernel/built-in.o
  CC      drivers/hid/hid-ezkey.o
  AR      drivers/media/usb/ttusb-budget/built-in.o
  CC      drivers/video/console/fbcon.o
  AR      drivers/net/ethernet/samsung/built-in.o
  AR      drivers/media/usb/zr364xx/built-in.o
  CC      net/core/tso.o
  CC      fs/nfs/direct.o
  AR      drivers/media/usb/ttusb-dec/built-in.o
  AR      drivers/net/ethernet/seeq/built-in.o
  CC      drivers/hid/hid-kensington.o
/home/kisskb/slave/src/net/core/neighbour.c: In function 'neigh_sysctl_register':
/home/kisskb/slave/src/net/core/neighbour.c:3233:10: warning: 'p_name' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/drivers/sh/clk/cpg.c: In function 'r8':
/home/kisskb/slave/src/drivers/sh/clk/cpg.c:41:2: warning: passing argument 1 of 'ioread8' discards 'const' qualifier from pointer target type [enabled by default]
/home/kisskb/slave/src/include/asm-generic/iomap.h:28:21: note: expected 'void *' but argument is of type 'const void *'
/home/kisskb/slave/src/drivers/sh/clk/cpg.c: In function 'r16':
/home/kisskb/slave/src/drivers/sh/clk/cpg.c:46:2: warning: passing argument 1 of 'ioread16' discards 'const' qualifier from pointer target type [enabled by default]
/home/kisskb/slave/src/include/asm-generic/iomap.h:29:21: note: expected 'void *' but argument is of type 'const void *'
/home/kisskb/slave/src/drivers/sh/clk/cpg.c: In function 'r32':
/home/kisskb/slave/src/drivers/sh/clk/cpg.c:51:2: warning: passing argument 1 of 'ioread32' discards 'const' qualifier from pointer target type [enabled by default]
/home/kisskb/slave/src/include/asm-generic/iomap.h:31:21: note: expected 'void *' but argument is of type 'const void *'
  AR      drivers/media/usb/built-in.o
  CC      drivers/video/fbdev/core/fb_cmdline.o
  CC      drivers/input/input-mt.o
  CC      drivers/video/fbdev/core/fb_notify.o
  CC      drivers/input/input-compat.o
  AR      drivers/net/ethernet/smsc/built-in.o
  CC      drivers/sh/intc/core.o
  CC      net/core/sock_reuseport.o
  CC      drivers/video/console/bitblit.o
  AR      drivers/net/ethernet/stmicro/built-in.o
  CC      drivers/hid/hid-lg.o
  CC      drivers/scsi/hosts.o
  CC      drivers/sh/intc/handle.o
  CC      net/ipv4/tcp_output.o
  AR      drivers/media/built-in.o
  CC      drivers/input/ff-core.o
  AR      drivers/net/ethernet/synopsys/built-in.o
  CC      net/ipv4/tcp_timer.o
  CC      net/ipv4/tcp_ipv4.o
  AR      drivers/net/ethernet/via/built-in.o
  CC      net/ipv4/tcp_minisocks.o
  CC      fs/ext4/resize.o
  CC      fs/ext4/super.o
  CC      drivers/hid/hid-microsoft.o
  CC      drivers/hid/hid-monterey.o
  CC      drivers/video/backlight/generic_bl.o
  AR      drivers/net/ethernet/wiznet/built-in.o
  CC      fs/nfs/pagelist.o
  AR      drivers/sh/clk/built-in.o
  CC      fs/nfs/read.o
  CC      net/netlink/genetlink.o
  CC      fs/ext4/symlink.o
  AR      drivers/net/ethernet/built-in.o
  AR      fs/lockd/lockd.o
  CC      drivers/tty/n_tty.o
  CC      fs/nfs/symlink.o
  AR      fs/lockd/built-in.o
  CC      drivers/video/console/softcursor.o
  CC      net/core/flow.o
  CC      drivers/video/fbdev/core/fbmem.o
  AR      lib/lib.a
  CC      drivers/video/fbdev/core/fbmon.o
  EXPORTS lib/lib-ksyms.o
  CC      net/core/net-sysfs.o
  CC      drivers/sh/intc/irqdomain.o
  AR      lib/built-in.o
  AR      drivers/net/built-in.o
  CC      fs/ext4/sysfs.o
  CC      drivers/sh/intc/virq.o
  CC      net/core/net-procfs.o
  AR      drivers/input/input-core.o
  CC      net/core/gro_cells.o
  AR      drivers/input/built-in.o
  CC      fs/ext4/xattr.o
  CC [M]  drivers/video/backlight/lcd.o
  LOGO    drivers/video/logo/logo_superh_clut224.c
  AR      drivers/video/backlight/built-in.o
  CC      drivers/video/logo/logo.o
  CC      net/packet/af_packet.o
  LOGO    drivers/video/logo/logo_superh_mono.c
  CC      fs/ext4/xattr_user.o
  CC      fs/ext4/xattr_trusted.o
  LOGO    drivers/video/logo/logo_superh_vga16.c
  LOGO    drivers/video/logo/logo_linux_mono.c
  LOGO    drivers/video/logo/clut_vga16.c
  CC      drivers/scsi/scsi_ioctl.o
  LOGO    drivers/video/logo/logo_linux_vga16.c
  LOGO    drivers/video/logo/logo_blackfin_vga16.c
  LOGO    drivers/video/logo/logo_spe_clut224.c
  LOGO    drivers/video/logo/logo_mac_clut224.c
  LOGO    drivers/video/logo/logo_sun_clut224.c
  LOGO    drivers/video/logo/logo_linux_clut224.c
  LOGO    drivers/video/logo/logo_parisc_clut224.c
  LOGO    drivers/video/logo/logo_blackfin_clut224.c
  CC [M]  drivers/video/fbdev/sh_mobile_lcdcfb.o
  LOGO    drivers/video/logo/logo_dec_clut224.c
  LOGO    drivers/video/logo/logo_m32r_clut224.c
  LOGO    drivers/video/logo/logo_sgi_clut224.c
  CC      drivers/scsi/scsicam.o
  CC      drivers/tty/tty_ioctl.o
  CC      drivers/video/logo/logo_superh_clut224.o
  CC      fs/nfs/unlink.o
  CC      net/ipv4/tcp_cong.o
  CC      net/sched/sch_generic.o
  CC      net/sched/sch_mq.o
  CC      net/ipv4/tcp_metrics.o
  AR      drivers/video/fbdev/omap2/omapfb/displays/built-in.o
  CC      fs/nfs/write.o
  AR      drivers/video/logo/built-in.o
  AR      drivers/video/fbdev/omap2/omapfb/dss/built-in.o
  CC      fs/nfs/namespace.o
  AR      drivers/hid/hid-logitech.o
  AR      drivers/video/fbdev/omap2/omapfb/built-in.o
  CC      fs/nfs/mount_clnt.o
  CC      drivers/tty/tty_ldisc.o
  AR      drivers/sh/intc/built-in.o
  AR      drivers/video/fbdev/omap2/built-in.o
  AR      drivers/sh/built-in.o
  CC      drivers/tty/tty_buffer.o
  CC      fs/nfs/nfstrace.o
  CC      fs/nfs/nfsroot.o
  CC      drivers/tty/tty_port.o
  CC      net/ipv4/tcp_fastopen.o
  CC      drivers/scsi/scsi_error.o
  CC      drivers/tty/tty_mutex.o
  CC      drivers/scsi/scsi_lib.o
  CC      drivers/tty/tty_ldsem.o
  CC      drivers/scsi/scsi_common.o
  CC      fs/nfs/sysctl.o
  CC      net/ipv4/tcp_rate.o
  CC      drivers/scsi/scsi_lib_dma.o
  CC      net/ipv4/tcp_recovery.o
  CC      fs/nfs/nfs2super.o
  CC      drivers/scsi/scsi_scan.o
  CC      drivers/tty/tty_baudrate.o
  CC      drivers/video/fbdev/core/fbcmap.o
  CC      drivers/scsi/scsi_sysfs.o
  CC      net/ipv4/tcp_ulp.o
  CC      fs/nfs/proc.o
  CC      fs/nfs/nfs2xdr.o
  AR      net/netlink/built-in.o
  CC      drivers/tty/tty_jobctrl.o
  CC      drivers/tty/n_null.o
  AR      net/sched/built-in.o
  CC      net/unix/af_unix.o
  CC      drivers/tty/pty.o
  CC      net/ipv4/tcp_offload.o
  CC      drivers/video/fbdev/core/fbsysfs.o
  AR      net/wireless/built-in.o
  CC      drivers/scsi/scsi_devinfo.o
  CC      drivers/tty/sysrq.o
  AR      drivers/tty/ipwireless/built-in.o
  CC      net/sunrpc/clnt.o
  AR      drivers/tty/serial/built-in.o
  CC      fs/nfs/nfs3super.o
  CC      fs/nfs/nfs3client.o
  CC      drivers/video/fbdev/core/modedb.o
  CC      net/xfrm/xfrm_policy.o
  CC      net/xfrm/xfrm_state.o
  CC      drivers/video/fbdev/core/fbcvt.o
  CC      fs/nfs/nfs3proc.o
  CC      drivers/video/fbdev/core/fb_defio.o
  CC      fs/nfs/nfs3xdr.o
  CC      drivers/tty/vt/vt_ioctl.o
  CC      drivers/scsi/scsi_sysctl.o
  CC [M]  drivers/video/fbdev/core/sysfillrect.o
  CC      net/ipv4/datagram.o
  CC      net/ipv4/udp.o
  CC      net/ipv4/raw.o
  CC      net/ipv4/udplite.o
  AR      net/core/built-in.o
  AR      drivers/hid/hid.o
  CC      net/sysctl_net.o
  AR      drivers/hid/built-in.o
  CC      net/ipv4/udp_offload.o
  CC      net/ipv4/arp.o
  CC [M]  drivers/video/fbdev/core/syscopyarea.o
  CC      net/ipv4/icmp.o
  CC      net/ipv4/devinet.o
  CC      net/ipv4/af_inet.o
  CC      net/ipv4/igmp.o
  CC [M]  drivers/video/fbdev/core/sysimgblt.o
  CC      drivers/scsi/scsi_proc.o
  CC [M]  drivers/video/fbdev/core/fb_sys_fops.o
  AR      fs/nfs/nfsv2.o
  CC      net/ipv4/fib_frontend.o
  CC      net/ipv4/fib_semantics.o
  CC      net/unix/garbage.o
  AR      drivers/video/console/built-in.o
  CC      drivers/scsi/scsi_debugfs.o
  CC      net/xfrm/xfrm_hash.o
  CC      drivers/scsi/scsi_logging.o
  CC      net/unix/sysctl_net_unix.o
  CC      drivers/scsi/scsi_trace.o
  CC      net/xfrm/xfrm_input.o
  CC      net/xfrm/xfrm_output.o
  CC      net/ipv4/fib_trie.o
  CC      net/ipv4/fib_notifier.o
  CC      drivers/scsi/sd.o
  AR      drivers/video/fbdev/core/fb.o
  CC      drivers/scsi/scsi_transport_spi.o
  AR      drivers/video/fbdev/core/built-in.o
  CC      net/ipv4/inet_fragment.o
  CC      net/ipv4/ping.o
  CC      net/ipv4/ip_tunnel_core.o
  CC      net/ipv4/gre_offload.o
  CC      net/ipv4/sysctl_net_ipv4.o
  AR      fs/nfs/nfs.o
  CC      net/xfrm/xfrm_sysctl.o
  CC      net/sunrpc/xprt.o
  CC      drivers/tty/vt/vc_screen.o
  CC      net/sunrpc/socklib.o
  CC      drivers/tty/vt/selection.o
  CC      net/ipv4/proc.o
  AR      drivers/video/fbdev/built-in.o
  CC      drivers/tty/vt/keyboard.o
  CC      net/ipv4/xfrm4_mode_beet.o
  CC      net/xfrm/xfrm_replay.o
  CC      drivers/tty/vt/consolemap.o
  AR      drivers/video/built-in.o
/home/kisskb/slave/src/drivers/scsi/sd.c: In function 'sd_init_command':
/home/kisskb/slave/src/drivers/scsi/sd.c:1274:1: warning: control reaches end of non-void function [-Wreturn-type]
  CONMK   drivers/tty/vt/consolemap_deftbl.c
  AR      fs/nfs/nfsv3.o
  CC      drivers/tty/vt/vt.o
  AR      fs/nfs/built-in.o
  CC      net/sunrpc/xprtsock.o
  SHIPPED drivers/tty/vt/defkeymap.c
  CC      net/ipv4/xfrm4_mode_transport.o
  CC      drivers/tty/vt/consolemap_deftbl.o
  CC      net/xfrm/xfrm_device.o
  CC      drivers/tty/vt/defkeymap.o
/home/kisskb/slave/src/net/xfrm/xfrm_policy.c: In function 'xfrm_resolve_and_create_bundle':
/home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1621:7: warning: 'dst_ops' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1603:18: note: 'dst_ops' was declared here
  CC      net/ipv4/xfrm4_mode_tunnel.o
  CC      net/sunrpc/sched.o
/home/kisskb/slave/src/net/packet/af_packet.c: In function 'tpacket_rcv':
/home/kisskb/slave/src/net/packet/af_packet.c:2361:16: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized]
  CC      net/ipv4/ipconfig.o
  CC      net/sunrpc/auth.o
  CC      net/sunrpc/auth_null.o
  CC      net/ipv4/inet_diag.o
  CC      net/ipv4/tcp_diag.o
  CC      net/ipv4/tcp_cubic.o
  AR      drivers/scsi/scsi_mod.o
  CC      net/sunrpc/auth_unix.o
  AR      net/packet/built-in.o
  CC      net/sunrpc/auth_generic.o
  CC      net/sunrpc/svc.o
  CC      net/ipv4/xfrm4_state.o
  CC      net/ipv4/xfrm4_policy.o
  CC      net/sunrpc/svcsock.o
  CC      net/ipv4/xfrm4_input.o
  CC      net/sunrpc/svcauth.o
  CC      net/ipv4/xfrm4_output.o
  CC      net/ipv4/xfrm4_protocol.o
  CC      net/sunrpc/svcauth_unix.o
/home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_common_sendmsg':
/home/kisskb/slave/src/net/ipv4/ping.c:694:21: warning: 'type' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/ipv4/ping.c:474:63: warning: 'code' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/ipv4/ping.c:658:11: note: 'code' was declared here
  CC      net/sunrpc/addr.o
  CC      net/sunrpc/timer.o
  CC      net/sunrpc/rpcb_clnt.o
  CC      net/sunrpc/sunrpc_syms.o
  CC      net/sunrpc/xdr.o
  CC      net/sunrpc/cache.o
  CC      net/sunrpc/rpc_pipe.o
  CC      net/sunrpc/svc_xprt.o
/home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_err':
/home/kisskb/slave/src/net/ipv4/ping.c:557:37: warning: 'code' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/ipv4/ping.c:530:3: warning: 'type' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/ipv4/ping.c:511:48: warning: 'icmph' may be used uninitialized in this function [-Wuninitialized]
  CC      net/sunrpc/xprtmultipath.o
  CC      net/sunrpc/stats.o
  CC      net/sunrpc/sysctl.o
/home/kisskb/slave/src/net/sunrpc/svcsock.c: In function 'svc_addr_len':
/home/kisskb/slave/src/include/linux/sunrpc/svc_xprt.h:179:1: warning: control reaches end of non-void function [-Wreturn-type]
/home/kisskb/slave/src/net/sunrpc/svcsock.c: In function 'svc_setup_socket':
/home/kisskb/slave/src/net/sunrpc/svcsock.c:747:6: warning: 'optname' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/sunrpc/svcsock.c:714:18: note: 'optname' was declared here
/home/kisskb/slave/src/net/sunrpc/svcsock.c:747:6: warning: 'level' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/sunrpc/svcsock.c:714:11: note: 'level' was declared here
  AR      net/unix/unix.o
  AR      net/unix/built-in.o
  AR      fs/ext4/ext4.o
  AR      fs/ext4/built-in.o
  AR      fs/built-in.o
/home/kisskb/slave/src/net/sunrpc/svcauth_unix.c: In function 'svcauth_unix_set_client':
/home/kisskb/slave/src/net/sunrpc/svcauth_unix.c:685:24: warning: 'sin6' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/xfrm/xfrm_policy.c: In function 'xfrm_bundle_lookup':
/home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1621:7: warning: 'dst_ops' may be used uninitialized in this function [-Wuninitialized]
/home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1603:18: note: 'dst_ops' was declared here
  AR      net/xfrm/built-in.o
  AR      net/sunrpc/sunrpc.o
  AR      net/sunrpc/built-in.o
  AR      drivers/scsi/sd_mod.o
  AR      drivers/scsi/built-in.o
  AR      drivers/tty/vt/built-in.o
  AR      drivers/tty/built-in.o
  AR      net/ipv4/built-in.o
  AR      drivers/built-in.o
  AR      net/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
  KSYM    .tmp_kallsyms1.o
  KSYM    .tmp_kallsyms2.o
  LD      vmlinux
  SYSMAP  System.map
  Building modules, stage 2.
  MODPOST 12 modules
  AS      arch/sh/boot/compressed/head_32.o
  CC      arch/sh/boot/compressed/misc.o
  CC      arch/sh/boot/compressed/cache.o
  OBJCOPY arch/sh/boot/compressed/vmlinux.bin
  SHIPPED arch/sh/boot/compressed/ashiftrt.S
  SHIPPED arch/sh/boot/compressed/lshrsi3.S
  SHIPPED arch/sh/boot/compressed/ashlsi3.S
  SHIPPED arch/sh/boot/compressed/ashrsi3.S
  SHIPPED arch/sh/boot/compressed/ashldi3.c
  AS      arch/sh/boot/compressed/ashiftrt.o
  AS      arch/sh/boot/compressed/lshrsi3.o
  CC      arch/sh/boot/compressed/ashldi3.o
  AS      arch/sh/boot/compressed/ashrsi3.o
  AS      arch/sh/boot/compressed/ashlsi3.o
  CC      crypto/drbg.mod.o
  CC      crypto/echainiv.mod.o
  CC      crypto/hmac.mod.o
  CC      crypto/jitterentropy_rng.mod.o
  CC      crypto/sha256_generic.mod.o
  CC      drivers/i2c/i2c-core.mod.o
  CC      drivers/video/backlight/lcd.mod.o
  CC      drivers/video/fbdev/core/syscopyarea.mod.o
  GZIP    arch/sh/boot/compressed/vmlinux.bin.gz
  CC      drivers/video/fbdev/core/sysfillrect.mod.o
  CC      drivers/video/fbdev/core/sysimgblt.mod.o
  CC      drivers/video/fbdev/core/fb_sys_fops.mod.o
  CC      drivers/video/fbdev/sh_mobile_lcdcfb.mod.o
  LD [M]  crypto/drbg.ko
  LD [M]  crypto/hmac.ko
  LD [M]  drivers/video/fbdev/core/syscopyarea.ko
  LD [M]  drivers/video/backlight/lcd.ko
  LD [M]  crypto/sha256_generic.ko
  LD [M]  drivers/video/fbdev/core/fb_sys_fops.ko
  LD [M]  drivers/video/fbdev/core/sysimgblt.ko
  LD [M]  drivers/i2c/i2c-core.ko
  LD [M]  drivers/video/fbdev/sh_mobile_lcdcfb.ko
  LD [M]  crypto/echainiv.ko
  LD [M]  crypto/jitterentropy_rng.ko
  LD [M]  drivers/video/fbdev/core/sysfillrect.ko
  LD      arch/sh/boot/compressed/piggy.o
  LD      arch/sh/boot/compressed/vmlinux
  OBJCOPY arch/sh/boot/zImage
  Kernel: arch/sh/boot/zImage is ready
make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-fixes_sh-defconfig_sh4'
Completed OK
# rm -rf /home/kisskb/slave/build/powerpc-fixes_sh-defconfig_sh4
# Build took: 0:00:28.860022