# git rev-parse -q --verify 62906027091f1d02de44041524f0769f60bb9cf3^{commit} 62906027091f1d02de44041524f0769f60bb9cf3 already have revision, skipping fetch # git checkout -q -f -B kisskb 62906027091f1d02de44041524f0769f60bb9cf3 # git clean -qxdf # git log -1 commit 62906027091f1d02de44041524f0769f60bb9cf3 Author: Nicholas Piggin Date: Sun Dec 25 13:00:30 2016 +1000 mm: add PageWaiters indicating tasks are waiting for a page bit Add a new page flag, PageWaiters, to indicate the page waitqueue has tasks waiting. This can be tested rather than testing waitqueue_active which requires another cacheline load. This bit is always set when the page has tasks on page_waitqueue(page), and is set and cleared under the waitqueue lock. It may be set when there are no tasks on the waitqueue, which will cause a harmless extra wakeup check that will clears the bit. The generic bit-waitqueue infrastructure is no longer used for pages. Instead, waitqueues are used directly with a custom key type. The generic code was not flexible enough to have PageWaiters manipulation under the waitqueue lock (which simplifies concurrency). This improves the performance of page lock intensive microbenchmarks by 2-3%. Putting two bits in the same word opens the opportunity to remove the memory barrier between clearing the lock bit and testing the waiters bit, after some work on the arch primitives (e.g., ensuring memory operand widths match and cover both bits). Signed-off-by: Nicholas Piggin Cc: Dave Hansen Cc: Bob Peterson Cc: Steven Whitehouse Cc: Andrew Lutomirski Cc: Andreas Gruenbacher Cc: Peter Zijlstra Cc: Mel Gorman Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/br-sh4-full-2016.08-613-ge98b4dd/bin/sh4-linux-gcc --version # < git log --format=%s --max-count=1 62906027091f1d02de44041524f0769f60bb9cf3 # < make -j 10 ARCH=sh O=/home/kisskb/slave/build/linus_kfr2r09_defconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/br-sh4-full-2016.08-613-ge98b4dd/bin/sh4-linux- kfr2r09_defconfig # make -j 10 ARCH=sh O=/home/kisskb/slave/build/linus_kfr2r09_defconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/br-sh4-full-2016.08-613-ge98b4dd/bin/sh4-linux- make[1]: Entering directory '/home/kisskb/slave/build/linus_kfr2r09_defconfig_sh4' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release UPD 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/cputime.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 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 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/siginfo.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 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 scripts/basic/bin2c Using /home/kisskb/slave/src as source for kernel 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 GEN scripts/mod/devicetable-offsets.h Generating include/generated/machtypes.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o 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/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 HOSTLD scripts/mod/modpost :1316:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] :1319:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] :1322:2: warning: #warning syscall pkey_free not implemented [-Wcpp] CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/do_mounts_initrd.o CC init/initramfs.o CC init/init_task.o HOSTCC usr/gen_init_cpio UPD include/generated/compile.h CC init/version.o AS arch/sh/kernel/debugtraps.o CC arch/sh/kernel/dma-nommu.o CC arch/sh/mm/alignment.o LD arch/sh/boards/built-in.o CC arch/sh/boards/mach-kfr2r09/setup.o CC arch/sh/kernel/dumpstack.o GEN usr/initramfs_data.cpio".gz" AS usr/initramfs_data.o LD usr/built-in.o CC arch/sh/mm/cache.o CC arch/sh/mm/init.o CC arch/sh/mm/consistent.o CC arch/sh/kernel/idle.o AS arch/sh/boards/mach-kfr2r09/sdram.o CC arch/sh/boards/mach-kfr2r09/lcd_wqvga.o CC kernel/fork.o CC arch/sh/mm/mmap.o CC arch/sh/kernel/io.o CC arch/sh/kernel/irq.o CC arch/sh/kernel/irq_32.o CC arch/sh/kernel/kdebugfs.o CC arch/sh/mm/cache-sh4.o LD init/mounts.o LD init/built-in.o CC arch/sh/mm/flush-sh4.o CC arch/sh/kernel/machvec.o CC arch/sh/kernel/nmi_debug.o CC arch/sh/kernel/process.o CC arch/sh/kernel/process_32.o CC arch/sh/mm/extable_32.o LD arch/sh/boards/mach-kfr2r09/built-in.o CC arch/sh/mm/fault.o CC kernel/exec_domain.o CC kernel/panic.o CC kernel/cpu.o CC kernel/exit.o CC kernel/softirq.o CC arch/sh/kernel/ptrace.o CC arch/sh/kernel/ptrace_32.o LD certs/built-in.o CC arch/sh/kernel/reboot.o CC mm/filemap.o CC mm/mempool.o CC arch/sh/mm/gup.o CC arch/sh/kernel/return_address.o CC fs/open.o CC ipc/util.o CC ipc/msgutil.o CC security/commoncap.o CC arch/sh/kernel/setup.o CC crypto/api.o CC arch/sh/mm/ioremap.o CC mm/oom_kill.o CC fs/read_write.o CC ipc/msg.o CC arch/sh/kernel/signal_32.o CC arch/sh/mm/kmap.o CC kernel/resource.o CC kernel/sysctl.o CC security/min_addr.o CC crypto/cipher.o CC arch/sh/mm/pgtable.o LD security/built-in.o CC arch/sh/mm/tlbex_32.o CC arch/sh/mm/tlbflush_32.o CC crypto/compress.o CC arch/sh/kernel/sys_sh.o CC ipc/sem.o CC block/bio.o CC crypto/memneq.o CC mm/maccess.o CC arch/sh/mm/tlb-sh4.o CC mm/page_alloc.o CC ipc/shm.o AS arch/sh/kernel/syscalls_32.o CC arch/sh/kernel/time.o CC fs/file_table.o CC crypto/crypto_wq.o CC crypto/algapi.o CC arch/sh/mm/tlb-urb.o CC kernel/sysctl_binary.o CC arch/sh/kernel/topology.o CC arch/sh/mm/asids-debugfs.o CC fs/super.o CC kernel/capability.o CC arch/sh/kernel/traps.o CC arch/sh/mm/cache-debugfs.o CC arch/sh/kernel/traps_32.o CC arch/sh/kernel/unwinder.o CC ipc/syscall.o CC crypto/scatterwalk.o CC block/elevator.o CC arch/sh/mm/tlb-debugfs.o CC arch/sh/mm/ioremap_fixed.o CC kernel/ptrace.o CC arch/sh/kernel/iomap.o CC arch/sh/kernel/sys_sh32.o CC ipc/ipc_sysctl.o CC ipc/namespace.o CC arch/sh/mm/uncached.o CC crypto/proc.o CC fs/char_dev.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o CC drivers/base/component.o CC drivers/base/core.o LD arch/sh/mm/built-in.o CC drivers/base/bus.o CC arch/sh/kernel/cpu/irq/imask.o LD ipc/built-in.o CC kernel/user.o CC crypto/aead.o CC fs/stat.o CC block/blk-core.o LD arch/sh/kernel/cpu/irq/built-in.o CC arch/sh/kernel/cpu/sh4/probe.o CC kernel/signal.o CC kernel/sys.o CC crypto/ablkcipher.o AS arch/sh/kernel/cpu/sh4/../sh3/entry.o /home/kisskb/slave/src/arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S: Assembler messages: /home/kisskb/slave/src/arch/sh/kernel/cpu/sh4/../sh3/../../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/sh4/../sh3/../../entry-common.S:392: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence AS arch/sh/kernel/cpu/sh4/../sh3/ex.o CC arch/sh/kernel/cpu/sh4/fpu.o CC mm/page-writeback.o CC mm/readahead.o CC mm/swap.o CC fs/exec.o CC arch/sh/kernel/cpu/sh4/softfloat.o CC crypto/blkcipher.o CC crypto/skcipher.o CC drivers/base/dd.o LD arch/sh/kernel/cpu/sh4/common.o LD arch/sh/kernel/cpu/sh4/built-in.o CC arch/sh/kernel/cpu/sh4a/setup-sh7724.o CC arch/sh/kernel/cpu/sh4a/clock-sh7724.o CC arch/sh/kernel/cpu/sh4a/pinmux-sh7724.o CC block/blk-tag.o CC block/blk-sysfs.o LD drivers/block/built-in.o CC arch/sh/kernel/vsyscall/vsyscall.o CC arch/sh/kernel/cpu/sh4a/perf_event.o CC drivers/base/syscore.o CC mm/truncate.o CC fs/pipe.o LDS arch/sh/kernel/vsyscall/vsyscall.lds AS arch/sh/kernel/vsyscall/vsyscall-trapa.o AS arch/sh/kernel/vsyscall/vsyscall-note.o CC drivers/base/driver.o SYSCALL arch/sh/kernel/vsyscall/vsyscall-trapa.so CC crypto/ahash.o CC arch/sh/kernel/cpu/sh4a/ubc.o SYSCALL arch/sh/kernel/vsyscall/vsyscall-syms.o CC kernel/kmod.o AS arch/sh/kernel/vsyscall/vsyscall-syscall.o LD arch/sh/kernel/vsyscall/built-in.o CC drivers/base/class.o CC kernel/workqueue.o CC fs/namei.o LD arch/sh/kernel/cpu/sh4a/built-in.o CC arch/sh/kernel/cpu/shmobile/pm.o AS arch/sh/kernel/cpu/shmobile/sleep.o CC drivers/base/platform.o CC block/blk-flush.o CC mm/vmscan.o CC kernel/pid.o CC block/blk-settings.o CC arch/sh/kernel/cpu/shmobile/cpuidle.o CC crypto/shash.o CC crypto/akcipher.o CC crypto/kpp.o LD arch/sh/kernel/cpu/shmobile/built-in.o CC arch/sh/kernel/cpu/init.o CC crypto/acompress.o CC mm/shmem.o CC mm/util.o CC drivers/base/cpu.o CC block/blk-ioc.o CC arch/sh/kernel/cpu/clock.o LD drivers/bus/built-in.o CC arch/sh/kernel/sh_ksyms_32.o CC arch/sh/kernel/cpu/fpu.o CC crypto/scompress.o CC drivers/base/firmware.o CC drivers/base/init.o CC arch/sh/kernel/cpu/pfc.o CC block/blk-map.o CC arch/sh/kernel/cpu/proc.o CC fs/fcntl.o CC drivers/base/map.o LD drivers/cdrom/built-in.o CC fs/ioctl.o CC drivers/base/devres.o CC kernel/task_work.o CC crypto/algboss.o LD arch/sh/kernel/cpu/built-in.o CC arch/sh/kernel/module.o CC crypto/testmgr.o CC arch/sh/kernel/machine_kexec.o CC kernel/extable.o CC block/blk-exec.o CC drivers/base/attribute_container.o CC block/blk-merge.o CC block/blk-softirq.o CC fs/readdir.o CC fs/select.o CC kernel/params.o CC crypto/crypto_null.o CC crypto/aes_generic.o CC drivers/base/transport_class.o AS arch/sh/kernel/relocate_kernel.o CC arch/sh/kernel/perf_event.o CC block/blk-timeout.o CC block/blk-lib.o CC drivers/base/topology.o CC arch/sh/kernel/perf_callchain.o CC mm/mmzone.o CC mm/vmstat.o CC crypto/rng.o CC kernel/kthread.o CC drivers/base/container.o CC kernel/sys_ni.o LD sound/built-in.o CC drivers/base/property.o CC drivers/char/mem.o CC drivers/char/random.o CC arch/sh/kernel/hw_breakpoint.o CC block/blk-mq.o CC fs/dcache.o CC fs/inode.o CC [M] crypto/echainiv.o CC kernel/nsproxy.o CC kernel/notifier.o CC mm/backing-dev.o AS arch/sh/kernel/head_32.o LDS arch/sh/kernel/vmlinux.lds LD arch/sh/kernel/built-in.o CC drivers/char/misc.o CC drivers/base/cacheinfo.o CC [M] crypto/hmac.o CC [M] crypto/sha256_generic.o CC kernel/ksysfs.o CC kernel/cred.o LD drivers/char/agp/built-in.o CC drivers/char/hw_random/core.o CC kernel/reboot.o CC mm/mm_init.o CC drivers/base/power/sysfs.o LD firmware/built-in.o CC fs/attr.o CC kernel/async.o CC mm/mmu_context.o CC drivers/base/power/generic_ops.o LD drivers/char/hw_random/rng-core.o LD drivers/char/hw_random/built-in.o LD drivers/char/built-in.o CC drivers/base/power/common.o CC drivers/base/power/qos.o CC block/blk-mq-tag.o CC block/blk-stat.o CC [M] crypto/drbg.o CC mm/percpu.o CC kernel/range.o CC kernel/smpboot.o CC fs/bad_inode.o CC fs/file.o CC fs/filesystems.o CC kernel/ucount.o CC kernel/groups.o CC drivers/base/power/runtime.o CC kernel/bpf/core.o CC drivers/base/power/wakeirq.o CC drivers/base/power/clock_ops.o CC block/blk-mq-sysfs.o CC [M] crypto/jitterentropy.o CC [M] crypto/jitterentropy-kcapi.o LD arch/sh/drivers/dma/built-in.o LD arch/sh/drivers/built-in.o CC block/blk-mq-cpumap.o CC block/ioctl.o CC fs/namespace.o LD crypto/crypto.o LD crypto/crypto_algapi.o LD crypto/crypto_blkcipher.o LD crypto/crypto_hash.o LD crypto/crypto_acompress.o LD crypto/cryptomgr.o LD [M] crypto/jitterentropy_rng.o LD crypto/built-in.o LD drivers/base/test/built-in.o CC drivers/base/regmap/regmap.o CC block/genhd.o LD drivers/char/ipmi/built-in.o CC block/scsi_ioctl.o CC mm/slab_common.o CC drivers/clk/clk-devres.o CC drivers/clk/clkdev.o LD drivers/base/power/built-in.o CC drivers/base/dma-mapping.o CC block/partition-generic.o CC drivers/base/dma-coherent.o LD drivers/clk/bcm/built-in.o CC mm/compaction.o LD drivers/clk/mvebu/built-in.o LD drivers/clk/ti/built-in.o LD kernel/bpf/built-in.o LD drivers/clk/built-in.o CC kernel/events/core.o CC kernel/irq/irqdesc.o CC kernel/irq/handle.o CC kernel/irq/manage.o LD kernel/livepatch/built-in.o CC fs/seq_file.o CC drivers/base/firmware_class.o CC drivers/base/module.o CC drivers/base/regmap/regcache.o CC mm/vmacache.o CC block/ioprio.o CC block/badblocks.o CC kernel/irq/spurious.o CC kernel/irq/resend.o CC fs/xattr.o CC kernel/events/ring_buffer.o CC drivers/base/regmap/regcache-rbtree.o CC mm/interval_tree.o CC mm/list_lru.o CC net/socket.o LD net/802/built-in.o CC kernel/events/callchain.o CC kernel/irq/chip.o CC block/partitions/check.o CC drivers/base/regmap/regcache-lzo.o CC drivers/base/regmap/regcache-flat.o CC mm/workingset.o CC kernel/events/hw_breakpoint.o CC block/noop-iosched.o CC fs/libfs.o CC block/partitions/msdos.o CC fs/fs-writeback.o CC drivers/base/regmap/regmap-debugfs.o CC kernel/locking/mutex.o CC mm/debug.o CC kernel/power/qos.o CC kernel/irq/dummychip.o CC drivers/base/regmap/regmap-i2c.o CC mm/gup.o CC block/partitions/efi.o CC kernel/irq/devres.o CC kernel/irq/irqdomain.o CC net/core/sock.o CC kernel/locking/semaphore.o CC kernel/power/main.o LD drivers/base/regmap/built-in.o CC drivers/base/pinctrl.o CC mm/highmem.o CC fs/pnode.o CC net/ethernet/eth.o LD kernel/power/built-in.o CC net/core/request_sock.o CC kernel/irq/proc.o LD drivers/base/built-in.o CC drivers/clocksource/sh_cmt.o CC kernel/locking/rwsem.o CC mm/memory.o LD block/partitions/built-in.o LD block/built-in.o CC kernel/locking/percpu-rwsem.o CC fs/splice.o CC kernel/locking/rtmutex.o CC kernel/locking/rwsem-spinlock.o LD kernel/irq/built-in.o CC kernel/printk/printk.o LD net/ethernet/built-in.o AS arch/sh/lib/movmem.o CC net/ipv4/route.o CC arch/sh/lib/ashldi3.o CC arch/sh/lib/ashrdi3.o CC drivers/clocksource/sh_tmu.o CC arch/sh/lib/lshrdi3.o LD kernel/locking/built-in.o AS arch/sh/lib/ashlsi3.o CC net/ipv6/addrconf_core.o CC net/ipv6/exthdrs_core.o LD kernel/events/built-in.o CC net/ipv6/ip6_checksum.o AS arch/sh/lib/ashrsi3.o AS arch/sh/lib/ashiftrt.o CC fs/sync.o AS arch/sh/lib/lshrsi3.o AS arch/sh/lib/udiv_qrnnd.o CC arch/sh/lib/io.o CC net/core/skbuff.o LD drivers/clocksource/built-in.o CC drivers/cpuidle/cpuidle.o AS arch/sh/lib/__clear_user.o AS arch/sh/lib/checksum.o AS arch/sh/lib/copy_page.o CC net/core/datagram.o CC arch/sh/lib/delay.o CC net/ipv6/ip6_icmp.o CC fs/utimes.o CC mm/mincore.o CC arch/sh/lib/div64-generic.o CC drivers/cpuidle/driver.o AS arch/sh/lib/div64.o AS arch/sh/lib/memchr.o CC kernel/printk/nmi.o AS arch/sh/lib/memcpy-sh4.o AS arch/sh/lib/memmove.o AS arch/sh/lib/memset-sh4.o AS arch/sh/lib/strlen.o AS arch/sh/lib/udivsi3.o AS arch/sh/lib/udivsi3_i4i.o CC net/ipv4/inetpeer.o AR arch/sh/lib/lib.a EXPORTS arch/sh/lib/lib-ksyms.o LD arch/sh/lib/built-in.o CC fs/stack.o LD kernel/printk/built-in.o CC kernel/rcu/update.o CC kernel/rcu/sync.o CC drivers/cpuidle/governor.o CC net/ipv6/output_core.o CC mm/mlock.o CC drivers/cpuidle/sysfs.o CC fs/fs_struct.o CC kernel/rcu/srcu.o CC drivers/cpuidle/governors/menu.o CC net/core/stream.o CC net/core/scm.o CC mm/mmap.o CC fs/statfs.o CC kernel/rcu/tree.o CC net/ipv6/protocol.o CC net/ipv4/protocol.o CC net/ipv4/ip_input.o LD drivers/cpuidle/governors/built-in.o LD drivers/cpuidle/built-in.o LD drivers/crypto/built-in.o LD drivers/firewire/built-in.o CC fs/fs_pin.o LD drivers/firmware/broadcom/built-in.o LD drivers/firmware/meson/built-in.o LD drivers/firmware/tegra/built-in.o LD drivers/firmware/built-in.o CC drivers/gpio/devres.o CC drivers/gpio/gpiolib.o CC net/ipv6/ip6_offload.o /home/kisskb/slave/src/mm/mmap.c: In function '__vma_adjust': /home/kisskb/slave/src/mm/mmap.c:584:2: warning: 'rb_link' may be used uninitialized in this function [-Wmaybe-uninitialized] __vma_link_rb(mm, vma, rb_link, rb_parent); ^ /home/kisskb/slave/src/mm/mmap.c:615:19: note: 'rb_link' was declared here struct rb_node **rb_link, *rb_parent; ^ /home/kisskb/slave/src/mm/mmap.c:584:2: warning: 'rb_parent' may be used uninitialized in this function [-Wmaybe-uninitialized] __vma_link_rb(mm, vma, rb_link, rb_parent); ^ /home/kisskb/slave/src/mm/mmap.c:615:29: note: 'rb_parent' was declared here struct rb_node **rb_link, *rb_parent; ^ /home/kisskb/slave/src/mm/mmap.c:583:2: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized] __vma_link_list(mm, vma, prev, rb_parent); ^ /home/kisskb/slave/src/mm/mmap.c:614:25: note: 'prev' was declared here struct vm_area_struct *prev; ^ CC drivers/gpio/gpiolib-legacy.o CC net/ipv4/ip_fragment.o CC fs/nsfs.o CC fs/buffer.o CC fs/block_dev.o CC net/ipv4/ip_forward.o CC mm/mprotect.o CC net/ipv4/ip_options.o CC net/ipv6/tcpv6_offload.o CC net/core/gen_stats.o CC mm/mremap.o CC net/ipv4/ip_output.o CC kernel/sched/core.o CC lib/lockref.o CC net/ipv6/exthdrs_offload.o CC lib/bcd.o LD kernel/rcu/built-in.o CC kernel/sched/loadavg.o CC lib/div64.o CC drivers/gpio/gpiolib-devprop.o CC net/core/gen_estimator.o CC mm/msync.o CC kernel/sched/clock.o CC lib/sort.o CC lib/parser.o CC fs/direct-io.o CC drivers/gpio/gpiolib-sysfs.o LD net/ipv6/built-in.o CC lib/halfmd4.o CC lib/debug_locks.o CC mm/rmap.o CC net/core/net_namespace.o CC fs/mpage.o CC lib/random32.o /home/kisskb/slave/src/kernel/sched/core.c: In function 'pick_next_task': /home/kisskb/slave/src/kernel/sched/core.c:3293:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC lib/bust_spinlocks.o CC lib/kasprintf.o CC lib/bitmap.o LD drivers/gpio/built-in.o LD drivers/gpu/drm/bridge/built-in.o LD drivers/gpu/drm/hisilicon/built-in.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/gpu/drm/omapdrm/displays/built-in.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/gpu/drm/omapdrm/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/built-in.o LD drivers/gpu/vga/built-in.o LD drivers/gpu/built-in.o CC drivers/hid/hid-core.o CC drivers/hid/hid-input.o CC drivers/hid/hid-debug.o CC drivers/hid/hid-generic.o CC net/ipv4/ip_sockglue.o CC mm/vmalloc.o CC lib/scatterlist.o CC lib/gcd.o CC net/core/secure_seq.o CC net/core/flow_dissector.o CC drivers/hid/hid-a4tech.o CC kernel/sched/cputime.o CC lib/lcm.o CC lib/list_sort.o CC net/core/sysctl_net_core.o CC drivers/hid/hid-apple.o CC lib/uuid.o CC net/ipv4/inet_hashtables.o CC net/ipv4/inet_timewait_sock.o CC lib/flex_array.o CC kernel/sched/idle_task.o CC mm/pagewalk.o CC fs/proc_namespace.o LD fs/configfs/built-in.o CC [M] fs/configfs/inode.o CC drivers/hid/hid-belkin.o CC kernel/sched/fair.o CC lib/iov_iter.o CC kernel/sched/rt.o CC net/core/dev.o CC mm/pgtable-generic.o CC mm/process_vm_access.o CC drivers/hid/hid-cherry.o LD drivers/hwtracing/intel_th/built-in.o CC net/ipv4/inet_connection_sock.o LD virt/lib/built-in.o LD virt/built-in.o CC kernel/sched/deadline.o CC [M] fs/configfs/file.o CC drivers/hid/hid-chicony.o CC drivers/hid/hid-cypress.o CC drivers/hid/hid-ezkey.o CC mm/init-mm.o CC kernel/sched/stop_task.o CC [M] fs/configfs/dir.o CC [M] fs/configfs/symlink.o CC mm/bootmem.o CC [M] fs/configfs/mount.o CC drivers/hid/hid-kensington.o CC mm/fadvise.o CC kernel/sched/wait.o CC drivers/hid/hid-lg.o CC net/ipv4/tcp.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 net/ipv4/tcp_input.o CC net/ipv4/tcp_output.o CC drivers/hid/hid-microsoft.o CC mm/madvise.o CC lib/clz_ctz.o CC kernel/sched/swait.o CC lib/bsearch.o CC mm/memblock.o CC lib/find_bit.o CC drivers/hid/hid-monterey.o CC [M] fs/configfs/item.o CC lib/llist.o CC lib/memweight.o CC lib/kfifo.o CC kernel/sched/completion.o LD drivers/hid/hid.o LD drivers/hid/hid-logitech.o LD drivers/hid/built-in.o CC drivers/i2c/i2c-boardinfo.o LD [M] fs/configfs/configfs.o CC fs/debugfs/inode.o CC fs/devpts/inode.o CC drivers/i2c/i2c-core.o CC kernel/sched/idle.o CC lib/percpu-refcount.o CC mm/page_io.o CC fs/debugfs/file.o LD fs/devpts/devpts.o LD fs/devpts/built-in.o LD drivers/idle/built-in.o CC net/netlink/af_netlink.o LD kernel/sched/built-in.o CC kernel/time/time.o CC lib/percpu_ida.o CC kernel/time/timer.o CC mm/swap_state.o LD fs/debugfs/debugfs.o LD fs/debugfs/built-in.o LD fs/exofs/built-in.o CC fs/exportfs/expfs.o CC lib/rhashtable.o LD drivers/i2c/algos/built-in.o CC drivers/i2c/busses/i2c-sh_mobile.o CC net/core/ethtool.o CC mm/swapfile.o CC fs/kernfs/mount.o CC kernel/time/hrtimer.o CC kernel/time/timekeeping.o LD fs/exportfs/exportfs.o LD fs/exportfs/built-in.o CC kernel/time/ntp.o CC fs/kernfs/inode.o /home/kisskb/slave/src/net/core/ethtool.c: In function 'ethtool_get_feature_mask': /home/kisskb/slave/src/net/core/ethtool.c:311:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC lib/reciprocal_div.o LD drivers/i2c/busses/built-in.o LD drivers/i2c/muxes/built-in.o LD drivers/i2c/built-in.o CC drivers/input/input.o LD drivers/iommu/built-in.o CC drivers/input/input-compat.o CC lib/once.o CC drivers/input/input-mt.o CC lib/string_helpers.o CC lib/hexdump.o CC net/netlink/genetlink.o CC fs/kernfs/dir.o CC fs/kernfs/file.o CC mm/dmapool.o CC net/ipv4/tcp_timer.o CC net/core/dev_addr_lists.o CC lib/kstrtox.o CC lib/iomap_copy.o CC kernel/time/clocksource.o CC kernel/time/jiffies.o CC drivers/input/ff-core.o CC mm/slab.o CC drivers/input/evdev.o LD net/netlink/built-in.o CC fs/kernfs/symlink.o CC drivers/input/keyboard/sh_keysc.o CC lib/devres.o LD drivers/irqchip/built-in.o LD drivers/lguest/built-in.o LD drivers/macintosh/built-in.o LD drivers/media/common/b2c2/built-in.o LD drivers/media/common/saa7146/built-in.o CC net/core/dst.o LD drivers/media/common/siano/built-in.o LD drivers/mfd/built-in.o CC net/core/netevent.o LD drivers/media/common/v4l2-tpg/built-in.o LD drivers/media/common/built-in.o LD drivers/media/firewire/built-in.o LD fs/kernfs/built-in.o CC fs/nls/nls_base.o LD drivers/media/i2c/soc_camera/built-in.o LD drivers/media/i2c/built-in.o LD drivers/media/mmc/siano/built-in.o LD drivers/media/mmc/built-in.o LD drivers/media/pci/b2c2/built-in.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/mantis/built-in.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/pci/pluto2/built-in.o LD drivers/media/pci/pt1/built-in.o CC lib/hweight.o LD drivers/media/pci/pt3/built-in.o LD drivers/input/keyboard/built-in.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/pci/smipcie/built-in.o CC mm/migrate.o LD drivers/media/pci/ttpci/built-in.o LD drivers/media/pci/built-in.o LD drivers/media/platform/omap/built-in.o LD drivers/media/platform/built-in.o CC kernel/time/timer_list.o LD drivers/media/rc/keymaps/built-in.o LD drivers/media/rc/built-in.o CC lib/bitrev.o LD drivers/media/spi/built-in.o CC net/ipv4/tcp_ipv4.o LD drivers/media/tuners/built-in.o LD drivers/media/usb/b2c2/built-in.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/media/usb/s2255/built-in.o LD drivers/media/usb/siano/built-in.o LD drivers/media/usb/stkwebcam/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/usb/built-in.o LD drivers/media/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD fs/nls/built-in.o LD drivers/misc/mic/bus/built-in.o CC fs/notify/fsnotify.o LD drivers/misc/mic/built-in.o LD drivers/misc/ti-st/built-in.o LD drivers/misc/built-in.o HOSTCC lib/gen_crc32table CC drivers/mmc/core/core.o LD drivers/input/input-core.o LD drivers/input/built-in.o CC drivers/mmc/core/bus.o CC drivers/mmc/core/host.o CC lib/fonts/fonts.o CC kernel/time/timeconv.o CC kernel/time/timecounter.o CC fs/proc/task_mmu.o CC lib/fonts/font_mini_4x6.o CC net/core/neighbour.o LD lib/fonts/font.o LD lib/fonts/built-in.o CC lib/lz4/lz4_decompress.o CC fs/notify/notification.o CC fs/notify/group.o CC kernel/time/alarmtimer.o CC kernel/time/posix-timers.o CC mm/quicklist.o LD lib/lz4/built-in.o CC lib/lzo/lzo1x_compress.o LD mm/built-in.o CC kernel/time/posix-cpu-timers.o CC fs/notify/inode_mark.o LD fs/quota/built-in.o CC fs/notify/mark.o CC lib/lzo/lzo1x_decompress_safe.o CC fs/notify/vfsmount_mark.o CC fs/proc/inode.o LD lib/lzo/lzo_compress.o LD lib/lzo/lzo_decompress.o LD lib/lzo/built-in.o CC lib/xz/xz_dec_syms.o CC drivers/mmc/core/mmc.o CC lib/zlib_inflate/inffast.o CC net/ipv4/tcp_minisocks.o CC lib/syscall.o CC lib/zlib_inflate/inflate.o CC lib/zlib_inflate/infutil.o /home/kisskb/slave/src/net/core/neighbour.c: In function 'neigh_sysctl_register': /home/kisskb/slave/src/net/core/neighbour.c:3180:2: warning: 'p_name' may be used uninitialized in this function [-Wmaybe-uninitialized] snprintf(neigh_path, sizeof(neigh_path), "net/%s/neigh/%s", ^ CC lib/xz/xz_dec_stream.o CC fs/notify/fdinfo.o CC kernel/time/posix-clock.o CC kernel/time/itimer.o CC net/ipv4/tcp_cong.o CC fs/proc/root.o CC fs/notify/dnotify/dnotify.o CC lib/xz/xz_dec_lzma2.o LD fs/notify/fanotify/built-in.o CC fs/proc/base.o CC lib/zlib_inflate/inftrees.o CC kernel/time/clockevents.o CC lib/zlib_inflate/inflate_syms.o CC lib/xz/xz_dec_bcj.o CC fs/notify/inotify/inotify_fsnotify.o LD fs/notify/dnotify/built-in.o CC kernel/time/tick-common.o LD lib/zlib_inflate/zlib_inflate.o CC net/core/rtnetlink.o LD lib/zlib_inflate/built-in.o CC net/core/utils.o CC drivers/mmc/core/mmc_ops.o CC kernel/time/sched_clock.o CC net/ipv4/tcp_metrics.o LD lib/xz/xz_dec.o LD lib/xz/built-in.o CC lib/nlattr.o CC fs/notify/inotify/inotify_user.o CC drivers/mmc/core/sd.o CC drivers/mmc/core/sd_ops.o CC kernel/time/tick-oneshot.o CC lib/atomic64.o CC lib/dynamic_queue_limits.o CC fs/proc/generic.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o CC fs/proc/array.o CC fs/proc/fd.o CC drivers/mmc/core/sdio.o CC kernel/time/tick-sched.o CC lib/strncpy_from_user.o CC net/packet/af_packet.o CC net/sched/sch_generic.o CC lib/strnlen_user.o CC net/unix/af_unix.o CC lib/net_utils.o CC net/ipv4/tcp_fastopen.o CC fs/ramfs/inode.o CC kernel/time/timekeeping_debug.o CC fs/proc/proc_tty.o CC drivers/mmc/core/sdio_ops.o CC lib/sbitmap.o LD kernel/time/built-in.o CC kernel/futex.o CC fs/proc/cmdline.o CC fs/ramfs/file-mmu.o CC lib/argv_split.o CC drivers/mmc/core/sdio_bus.o CC fs/proc/consoles.o CC net/core/link_watch.o CC net/ipv4/tcp_rate.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o CC lib/bug.o CC net/sched/sch_mq.o CC net/unix/garbage.o CC fs/proc/cpuinfo.o CC drivers/mmc/core/sdio_cis.o CC lib/chacha20.o CC fs/proc/devices.o CC fs/proc/interrupts.o CC lib/cmdline.o CC net/core/filter.o CC lib/ctype.o CC drivers/mmc/core/sdio_io.o CC lib/dec_and_lock.o CC net/ipv4/tcp_recovery.o CC net/ipv4/tcp_offload.o LD net/sched/built-in.o CC net/ipv4/datagram.o CC lib/decompress.o CC fs/proc/loadavg.o /home/kisskb/slave/src/net/packet/af_packet.c: In function 'tpacket_rcv': /home/kisskb/slave/src/net/packet/af_packet.c:2125:33: warning: 'hdrlen' may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short macoff, netoff, hdrlen; ^ CC net/unix/sysctl_net_unix.o CC lib/decompress_bunzip2.o CC fs/proc/meminfo.o CC kernel/up.o LD net/packet/built-in.o CC kernel/uid16.o CC drivers/mmc/core/sdio_irq.o CC net/ipv4/raw.o LD net/unix/unix.o LD net/unix/built-in.o CC drivers/mtd/mtdcore.o CC drivers/mtd/mtdsuper.o CC lib/decompress_inflate.o CC lib/decompress_unlz4.o CC fs/proc/stat.o CC kernel/module.o CC fs/proc/uptime.o CC drivers/mmc/core/quirks.o CC drivers/mmc/core/slot-gpio.o CC kernel/kallsyms.o CC lib/decompress_unlzma.o CC lib/decompress_unlzo.o CC lib/decompress_unxz.o CC fs/proc/version.o CC drivers/mmc/core/debugfs.o CC fs/proc/softirqs.o CC fs/proc/namespaces.o LD drivers/mmc/host/built-in.o CC net/ipv4/udp.o CC drivers/mtd/mtdconcat.o CC net/core/sock_diag.o CC net/core/dev_ioctl.o CC net/ipv4/udplite.o CC lib/dma-noop.o CC fs/proc/self.o /home/kisskb/slave/src/kernel/module.c: In function '__symbol_put': /home/kisskb/slave/src/kernel/module.c:1039:2: warning: 'owner' may be used uninitialized in this function [-Wmaybe-uninitialized] module_put(owner); ^ CC drivers/mmc/core/block.o CC drivers/mtd/mtdpart.o CC lib/dump_stack.o CC fs/proc/thread_self.o CC fs/proc/proc_sysctl.o CC net/core/tso.o CC lib/earlycpio.o CC fs/proc/proc_net.o CC lib/extable.o CC drivers/mtd/mtdchar.o CC lib/flex_proportions.o CC fs/proc/kcore.o CC kernel/acct.o CC lib/idr.o CC lib/int_sqrt.o CC lib/ioremap.o CC net/core/sock_reuseport.o CC net/core/net-sysfs.o CC drivers/mmc/core/queue.o CC net/core/net-procfs.o CC fs/proc/kmsg.o CC fs/proc/page.o CC drivers/mtd/cmdlinepart.o CC kernel/kexec_core.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC net/ipv4/udp_offload.o CC net/sysctl_net.o CC lib/klist.o LD fs/proc/proc.o CC drivers/mtd/mtd_blkdevs.o LD fs/proc/built-in.o CC drivers/mtd/mtdblock.o CC fs/sysfs/file.o LD drivers/mmc/core/mmc_core.o LD drivers/mmc/core/mmc_block.o LD drivers/mmc/core/built-in.o LD drivers/mmc/built-in.o CC fs/sysfs/dir.o CC fs/eventpoll.o CC lib/kobject.o CC drivers/net/Space.o LD drivers/nfc/built-in.o CC drivers/mtd/chips/chipreg.o CC drivers/mtd/chips/cfi_probe.o CC fs/sysfs/symlink.o LD net/core/built-in.o CC fs/sysfs/mount.o CC net/ipv4/arp.o CC kernel/kexec.o CC kernel/utsname.o In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:18: /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c: In function 'cfi_probe_chip': /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:17:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:18: /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:17:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:18: /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:17:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:18: /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:17:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:18: /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:17:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:18: /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_probe.c:17:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ CC kernel/pid_namespace.o CC net/ipv4/icmp.o CC drivers/net/loopback.o CC lib/kobject_uevent.o CC drivers/mtd/chips/cfi_util.o CC fs/sysfs/group.o GZIP kernel/config_data.gz CC fs/anon_inodes.o CC fs/signalfd.o LD drivers/mtd/devices/built-in.o CC kernel/utsname_sysctl.o LD fs/sysfs/built-in.o CC kernel/elfcore.o CC fs/timerfd.o CC fs/eventfd.o /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c: In function 'cfi_send_gen_cmd': /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:206:13: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] *prev_val = map_read(map, addr); ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c: In function 'cfi_qry_present': /home/kisskb/slave/src/include/linux/mtd/map.h:279:6: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (val1.x[i] != val2.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/include/linux/mtd/map.h:279:6: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (val1.x[i] != val2.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/include/linux/mtd/map.h:279:6: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (val1.x[i] != val2.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ LD drivers/mtd/lpddr/built-in.o LD drivers/nvme/host/built-in.o In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:24: /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c: In function 'cfi_read_pri': /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_util.c:23:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ CC lib/md5.o LD drivers/nvme/target/built-in.o LD drivers/nvme/built-in.o LD drivers/perf/built-in.o CC drivers/mtd/chips/cfi_cmdset_0001.o LD drivers/net/built-in.o CC drivers/pinctrl/core.o LD drivers/platform/built-in.o CC drivers/pinctrl/pinctrl-utils.o CC kernel/irq_work.o CC lib/nmi_backtrace.o CC lib/nodemask.o CC lib/plist.o CC fs/aio.o CC net/ipv4/devinet.o LD drivers/power/built-in.o CC drivers/mtd/chips/gen_probe.o CC lib/radix-tree.o CC kernel/membarrier.o LD drivers/ptp/built-in.o CC drivers/pinctrl/pinmux.o CC fs/locks.o In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'chip_ready': /home/kisskb/slave/src/include/linux/mtd/map.h:324:18: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if ((val1.x[i] & val2.x[i]) != val3.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:324:18: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if ((val1.x[i] & val2.x[i]) != val3.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ LD drivers/pwm/built-in.o CC lib/ratelimit.o In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'inval_cache_and_wait_for_operation': /home/kisskb/slave/src/include/linux/mtd/map.h:324:18: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if ((val1.x[i] & val2.x[i]) != val3.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ CC lib/rbtree.o In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'cfi_intelext_writev': /home/kisskb/slave/src/include/linux/mtd/map.h:336:17: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (val1.x[i] & val2.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:1744:3: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] printk(KERN_ERR "%s: Chip not ready for buffer write. Xstatus = %lx, status = %lx\n", ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:1744:3: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] printk(KERN_ERR "%s: Chip not ready for buffer write. Xstatus = %lx, status = %lx\n", ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:336:17: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (val1.x[i] & val2.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ CC kernel/memremap.o CC lib/seq_buf.o CC drivers/pinctrl/pinconf.o /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'do_erase_oneblock': /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:1956:17: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned long chipstatus = MERGESTATUS(status); ^ CC drivers/pinctrl/pinconf-generic.o In file included from /home/kisskb/slave/src/include/linux/mtd/cfi.h:29:0, from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:36: /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'do_getlockstatus_oneblock': /home/kisskb/slave/src/include/linux/mtd/cfi_endian.h:51:30: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] #define _cfi_to_cpu(w, s, x) (cfi_host(s)?(x):_swap_to_cpu(w, s, x)) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ LD drivers/pinctrl/bcm/built-in.o LD drivers/pinctrl/freescale/built-in.o CC lib/sha1.o CC fs/binfmt_script.o CHK kernel/config_data.h UPD kernel/config_data.h CC kernel/configs.o CC fs/binfmt_elf.o In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'do_write_oneword.constprop': /home/kisskb/slave/src/include/linux/mtd/map.h:336:17: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (val1.x[i] & val2.x[i]) ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/include/linux/mtd/map.h:413:11: note: 'r.x[0]' was declared here map_word r; ^ In file included from /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c:34:0: /home/kisskb/slave/src/drivers/mtd/chips/cfi_cmdset_0001.c: In function 'cfi_intelext_write_words': /home/kisskb/slave/src/include/linux/mtd/map.h:345:11: warning: 'r.x[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] map_word r; ^ CC lib/show_mem.o CC lib/string.o LD drivers/mtd/chips/built-in.o CC drivers/mtd/maps/physmap.o LD drivers/pinctrl/nomadik/built-in.o CC drivers/pinctrl/sh-pfc/core.o LD kernel/built-in.o CC drivers/pinctrl/sh-pfc/pinctrl.o CC lib/timerqueue.o CC fs/coredump.o CC drivers/pinctrl/sh-pfc/gpio.o CC lib/vsprintf.o CC drivers/pinctrl/sh-pfc/pfc-sh7724.o LD drivers/mtd/maps/built-in.o LD drivers/mtd/nand/built-in.o CC drivers/mtd/onenand/onenand_base.o CC net/ipv4/af_inet.o CC drivers/mtd/onenand/onenand_bbt.o CC fs/drop_caches.o CC drivers/mtd/onenand/generic.o CC drivers/rtc/rtc-lib.o CC drivers/rtc/hctosys.o LD drivers/pinctrl/sh-pfc/built-in.o LD drivers/pinctrl/built-in.o CC drivers/rtc/systohc.o CC fs/fhandle.o LD drivers/mtd/tests/built-in.o CC drivers/mtd/ubi/vtbl.o CC drivers/mtd/ubi/vmt.o CC drivers/mtd/ubi/upd.o CC drivers/mtd/ubi/build.o CC drivers/mtd/ubi/cdev.o CC drivers/rtc/class.o LD fs/built-in.o CC drivers/rtc/interface.o CC net/ipv4/igmp.o CC net/ipv4/fib_frontend.o CC lib/win_minmax.o CC drivers/rtc/rtc-dev.o CC drivers/mtd/ubi/kapi.o CC drivers/mtd/ubi/eba.o CC drivers/mtd/ubi/io.o CC drivers/mtd/ubi/wl.o GEN lib/crc32table.h AR lib/lib.a CC lib/crc32.o LD drivers/mtd/onenand/onenand.o LD drivers/mtd/onenand/built-in.o CC drivers/sh/clk/core.o LD drivers/soc/bcm/built-in.o CC drivers/rtc/rtc-proc.o LD drivers/soc/fsl/built-in.o LD drivers/soc/built-in.o CC drivers/rtc/rtc-sysfs.o CC drivers/sh/clk/cpg.o EXPORTS lib/lib-ksyms.o LD lib/built-in.o CC drivers/mtd/ubi/attach.o CC drivers/tty/tty_io.o CC drivers/tty/n_tty.o /home/kisskb/slave/src/drivers/sh/clk/cpg.c: In function 'r8': /home/kisskb/slave/src/drivers/sh/clk/cpg.c:41:17: warning: passing argument 1 of 'ioread8' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return ioread8(addr); ^ In file included from /home/kisskb/slave/src/arch/sh/include/asm/io.h:20:0, from /home/kisskb/slave/src/include/linux/io.h:25, from /home/kisskb/slave/src/drivers/sh/clk/cpg.c:14: /home/kisskb/slave/src/include/asm-generic/iomap.h:28:21: note: expected 'void *' but argument is of type 'const void *' extern unsigned int ioread8(void __iomem *); ^ /home/kisskb/slave/src/drivers/sh/clk/cpg.c: In function 'r16': /home/kisskb/slave/src/drivers/sh/clk/cpg.c:46:18: warning: passing argument 1 of 'ioread16' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return ioread16(addr); ^ In file included from /home/kisskb/slave/src/arch/sh/include/asm/io.h:20:0, from /home/kisskb/slave/src/include/linux/io.h:25, from /home/kisskb/slave/src/drivers/sh/clk/cpg.c:14: /home/kisskb/slave/src/include/asm-generic/iomap.h:29:21: note: expected 'void *' but argument is of type 'const void *' extern unsigned int ioread16(void __iomem *); ^ /home/kisskb/slave/src/drivers/sh/clk/cpg.c: In function 'r32': /home/kisskb/slave/src/drivers/sh/clk/cpg.c:51:18: warning: passing argument 1 of 'ioread32' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return ioread32(addr); ^ In file included from /home/kisskb/slave/src/arch/sh/include/asm/io.h:20:0, from /home/kisskb/slave/src/include/linux/io.h:25, from /home/kisskb/slave/src/drivers/sh/clk/cpg.c:14: /home/kisskb/slave/src/include/asm-generic/iomap.h:31:21: note: expected 'void *' but argument is of type 'const void *' extern unsigned int ioread32(void __iomem *); ^ CC drivers/rtc/rtc-sh.o CC drivers/uio/uio.o LD drivers/rtc/rtc-core.o CC drivers/mtd/ubi/misc.o CC drivers/uio/uio_pdrv_genirq.o LD drivers/sh/clk/built-in.o CC drivers/sh/intc/access.o CC net/ipv4/fib_semantics.o /home/kisskb/slave/src/drivers/rtc/rtc-sh.c:708:13: warning: 'sh_rtc_set_irq_wake' defined but not used [-Wunused-function] static void sh_rtc_set_irq_wake(struct device *dev, int enabled) ^ CC drivers/tty/tty_ioctl.o CC drivers/tty/tty_ldisc.o CC drivers/usb/common/common.o CC drivers/sh/intc/chip.o LD drivers/rtc/built-in.o CC drivers/sh/intc/core.o LD drivers/uio/built-in.o CC drivers/sh/intc/handle.o LD drivers/usb/common/usb-common.o LD drivers/usb/common/built-in.o LD drivers/usb/gadget/function/built-in.o CC [M] drivers/usb/gadget/function/f_acm.o CC [M] drivers/usb/gadget/function/u_serial.o CC drivers/video/backlight/backlight.o CC drivers/mtd/ubi/debug.o CC net/ipv4/fib_trie.o CC drivers/video/backlight/generic_bl.o CC drivers/sh/intc/irqdomain.o CC [M] drivers/video/backlight/lcd.o CC drivers/sh/intc/virq.o CC drivers/tty/tty_buffer.o LD drivers/usb/gadget/legacy/built-in.o CC [M] drivers/usb/gadget/legacy/cdc2.o CC drivers/usb/gadget/udc/core.o CC drivers/usb/gadget/udc/trace.o CC [M] drivers/usb/gadget/function/u_ether.o CC drivers/sh/pm_runtime.o LD drivers/video/backlight/built-in.o CC drivers/video/console/dummycon.o LD drivers/mtd/ubi/ubi.o LD drivers/mtd/ubi/built-in.o LD drivers/mtd/mtd.o LD drivers/mtd/built-in.o CC drivers/video/console/fbcon.o CC drivers/video/console/bitblit.o LD drivers/sh/intc/built-in.o CC drivers/video/console/softcursor.o CC drivers/tty/tty_port.o LD [M] drivers/usb/gadget/legacy/g_cdc.o CC drivers/tty/tty_mutex.o CC drivers/video/fbdev/core/fb_cmdline.o LD drivers/sh/built-in.o CC drivers/video/fbdev/core/fb_notify.o LD drivers/usb/gadget/udc/udc-core.o LD drivers/usb/gadget/udc/built-in.o CC drivers/video/fbdev/core/fbmem.o CC drivers/video/fbdev/core/fbmon.o CC drivers/video/logo/logo.o CC drivers/tty/tty_ldsem.o CC drivers/video/fbdev/core/fbcmap.o CC drivers/video/fbdev/core/fbsysfs.o CC drivers/tty/pty.o LOGO drivers/video/logo/logo_superh_vga16.c LOGO drivers/video/logo/logo_superh_mono.c LOGO drivers/video/logo/logo_linux_mono.c LOGO drivers/video/logo/clut_vga16.c LOGO drivers/video/logo/logo_linux_vga16.c CC [M] drivers/usb/gadget/function/f_ecm.o 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_superh_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 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/video/logo/logo_superh_vga16.o LD drivers/video/logo/built-in.o LD drivers/usb/phy/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD drivers/video/fbdev/omap2/omapfb/built-in.o LD drivers/video/fbdev/omap2/built-in.o CC drivers/video/fbdev/core/modedb.o CC net/ipv4/inet_fragment.o CC drivers/video/fbdev/sh_mobile_lcdcfb.o CC net/ipv4/ping.o LD [M] drivers/usb/gadget/function/usb_f_acm.o CC net/ipv4/ip_tunnel_core.o CC drivers/video/fbdev/core/fbcvt.o LD drivers/tty/ipwireless/built-in.o CC drivers/tty/serial/serial_core.o CC drivers/tty/vt/vt_ioctl.o LD [M] drivers/usb/gadget/function/usb_f_ecm.o CC [M] drivers/usb/gadget/usbstring.o CC [M] drivers/usb/gadget/config.o CC [M] drivers/usb/gadget/epautoconf.o CC drivers/video/fbdev/core/fb_defio.o /home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_err': /home/kisskb/slave/src/net/ipv4/ping.c:556:37: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] harderr = icmp_err_convert[code].fatal; ^ /home/kisskb/slave/src/net/ipv4/ping.c:529:3: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] switch (type) { ^ /home/kisskb/slave/src/net/ipv4/ping.c:510:48: warning: 'icmph' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!ping_supported(family, icmph->type, icmph->code)) ^ /home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_common_sendmsg': /home/kisskb/slave/src/net/ipv4/ping.c:474:37: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] (family == AF_INET6 && type == ICMPV6_ECHO_REQUEST && code == 0); ^ /home/kisskb/slave/src/net/ipv4/ping.c:655:5: note: 'type' was declared here u8 type, code; ^ /home/kisskb/slave/src/net/ipv4/ping.c:473:63: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] return (family == AF_INET && type == ICMP_ECHO && code == 0) || ^ /home/kisskb/slave/src/net/ipv4/ping.c:655:11: note: 'code' was declared here u8 type, code; ^ CC [M] drivers/usb/gadget/composite.o CC net/ipv4/gre_offload.o CC [M] drivers/usb/gadget/functions.o CC net/ipv4/sysctl_net_ipv4.o LD drivers/video/console/built-in.o CC drivers/video/fbdev/core/sysfillrect.o CC [M] drivers/usb/gadget/configfs.o CC [M] drivers/usb/gadget/u_f.o CC drivers/tty/vt/vc_screen.o LD drivers/usb/gadget/built-in.o CC net/ipv4/proc.o CC drivers/tty/vt/selection.o CC drivers/tty/vt/keyboard.o CC drivers/tty/serial/sh-sci.o CC drivers/video/fbdev/core/syscopyarea.o CC net/ipv4/tcp_cubic.o CC drivers/tty/serial/serial_mctrl_gpio.o CC drivers/video/fbdev/core/sysimgblt.o CC drivers/video/fbdev/core/fb_sys_fops.o CC drivers/tty/vt/consolemap.o LD [M] drivers/usb/gadget/libcomposite.o LD drivers/usb/built-in.o CONMK drivers/tty/vt/consolemap_deftbl.c CC drivers/tty/vt/vt.o LD drivers/video/fbdev/core/fb.o SHIPPED drivers/tty/vt/defkeymap.c CC drivers/tty/vt/consolemap_deftbl.o CC drivers/tty/vt/defkeymap.o LD net/ipv4/built-in.o LD drivers/video/fbdev/core/built-in.o LD drivers/video/fbdev/built-in.o LD net/built-in.o LD drivers/video/built-in.o LD drivers/tty/serial/built-in.o LD drivers/tty/vt/built-in.o LD drivers/tty/built-in.o LD drivers/built-in.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux.o MODPOST vmlinux.o KSYM .tmp_kallsyms1.o KSYM .tmp_kallsyms2.o LD vmlinux SYSMAP System.map AS arch/sh/boot/compressed/head_32.o CC arch/sh/boot/compressed/misc.o CC arch/sh/boot/compressed/cache.o SHIPPED arch/sh/boot/compressed/ashiftrt.S OBJCOPY arch/sh/boot/compressed/vmlinux.bin SHIPPED arch/sh/boot/compressed/ashldi3.c SHIPPED arch/sh/boot/compressed/ashrsi3.S SHIPPED arch/sh/boot/compressed/lshrsi3.S SHIPPED arch/sh/boot/compressed/ashlsi3.S AS arch/sh/boot/compressed/ashiftrt.o AS arch/sh/boot/compressed/ashrsi3.o AS arch/sh/boot/compressed/lshrsi3.o Building modules, stage 2. CC arch/sh/boot/compressed/ashldi3.o MODPOST 13 modules AS arch/sh/boot/compressed/ashlsi3.o GZIP arch/sh/boot/compressed/vmlinux.bin.gz 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/usb/gadget/function/u_ether.mod.o CC drivers/usb/gadget/function/u_serial.mod.o CC drivers/usb/gadget/function/usb_f_acm.mod.o CC drivers/usb/gadget/function/usb_f_ecm.mod.o CC drivers/usb/gadget/legacy/g_cdc.mod.o CC drivers/usb/gadget/libcomposite.mod.o CC drivers/video/backlight/lcd.mod.o CC fs/configfs/configfs.mod.o LD [M] crypto/drbg.ko LD [M] crypto/hmac.ko LD [M] crypto/jitterentropy_rng.ko LD [M] crypto/sha256_generic.ko LD [M] drivers/usb/gadget/function/u_ether.ko LD [M] drivers/usb/gadget/function/u_serial.ko LD [M] crypto/echainiv.ko LD arch/sh/boot/compressed/piggy.o LD [M] drivers/usb/gadget/function/usb_f_acm.ko LD [M] drivers/usb/gadget/function/usb_f_ecm.ko LD [M] drivers/usb/gadget/legacy/g_cdc.ko LD [M] drivers/video/backlight/lcd.ko LD [M] drivers/usb/gadget/libcomposite.ko LD [M] fs/configfs/configfs.ko 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/linus_kfr2r09_defconfig_sh4' Completed OK # rm -rf /home/kisskb/slave/build/linus_kfr2r09_defconfig_sh4 # Build took: 0:01:06.566016