Buildresult: mpe/x86_64-randconfig/x86_64-gcc4.6 built on May 22 2018, 13:07

kisskb

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Status:	OK
Date/Time:	May 22 2018, 13:07
Duration:	0:01:44.738793
Builder:	ka1
Revision:	Merge 956158646a46 (`27a23f4bd3092a6e927aef8483eb41412fe4584e)`
Target:	mpe/x86_64-randconfig/x86_64-gcc4.6
Branch:	mpe
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3)
Config:	randconfig (download)
Log:	Download original Possible warnings (170) kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7d: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x12: unreachable instruction arch/x86/kernel/apic/io_apic.c:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x84: unreachable instruction kernel/cgroup/cpuset.o: warning: objtool: cpuset_init()+0x1d: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x74: unreachable instruction mm/filemap.o: warning: objtool: __add_to_page_cache_locked()+0x52: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x7a: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x24: unreachable instruction mm/page-writeback.o: warning: objtool: write_one_page()+0x49: unreachable instruction mm/page_alloc.o: warning: objtool: move_freepages()+0xe4: unreachable instruction mm/readahead.o: warning: objtool: read_cache_pages_invalidate_page()+0x35: unreachable instruction kernel/events/uprobes.o: warning: objtool: __replace_page()+0x56: unreachable instruction mm/swap.o: warning: objtool: __pagevec_lru_add_fn()+0x5f: unreachable instruction mm/truncate.o: warning: objtool: invalidate_complete_page2()+0x6d: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x22: unreachable instruction ipc/sem.o: warning: objtool: find_alloc_undo()+0x3a9: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x12: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_unhash_cookie()+0x72: unreachable instruction ipc/shm.c:1637:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0x5a: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x32: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x29: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x2f: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x22: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_readpages_end()+0xa0: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x2c: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x94: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x23: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1e: unreachable instruction mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x4a: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x31: unreachable instruction kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x1e: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x14: unreachable instruction fs/hugetlbfs/inode.o: warning: objtool: remove_inode_hugepages()+0x170: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x33: unreachable instruction arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2a: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x303: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1d: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.7()+0xe6: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x97: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x5c: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x53: unreachable instruction arch/x86/kernel/hw_breakpoint.c:361:20: warning: 'align' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/debug.o: warning: objtool: __dump_page()+0x45: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x26: unreachable instruction kernel/sched/core.o: warning: objtool: migrate_tasks()+0xfa: unreachable instruction mm/gup.o: warning: objtool: gup_huge_pud()+0x16c: unreachable instruction mm/mlock.o: warning: objtool: __munlock_isolate_lru_page()+0x73: unreachable instruction mm/memory.o: warning: objtool: __do_fault()+0x6d: unreachable instruction mm/mmap.o: warning: objtool: unmapped_area()+0x160: unreachable instruction mm/page_vma_mapped.o: warning: objtool: page_vma_mapped_walk()+0x9c: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x26: unreachable instruction mm/pgtable-generic.o: warning: objtool: pmdp_huge_clear_flush()+0x10: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x3d: unreachable instruction mm/rmap.o: warning: objtool: __page_check_anon_rmap()+0x2b: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x30: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x28: unreachable instruction mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x42: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x1c: unreachable instruction mm/madvise.o: warning: objtool: madvise_free_pte_range()+0x3ed: unreachable instruction fs/proc/base.o: warning: objtool: proc_pid_cmdline_read()+0x28: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x69: unreachable instruction fs/proc/array.o: warning: objtool: proc_pid_status()+0x71: unreachable instruction mm/hugetlb.o: warning: objtool: set_vma_resv_map()+0x19: unreachable instruction sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/mempolicy.o: warning: objtool: policy_nodemask()+0x31: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction mm/slab.o: warning: objtool: cache_free_debugcheck()+0x4a: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.1()+0xf6: unreachable instruction mm/migrate.o: warning: objtool: add_page_for_migration()+0x90: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x39: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x7a: unreachable instruction mm/huge_memory.o: warning: objtool: freeze_page()+0x1f: unreachable instruction mm/khugepaged.o: warning: objtool: khugepaged_alloc_page()+0x21: unreachable instruction kernel/trace/trace_functions_graph.o: warning: objtool: ftrace_pop_return_trace.isra.8()+0x21: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6d: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x260: unreachable instruction mm/memory-failure.o: warning: objtool: new_page()+0x4e: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x23: unreachable instruction fs/namei.o: warning: objtool: page_get_link()+0x6f: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x5d: unreachable instruction lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: __d_rehash()+0x83: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/inode.o: warning: objtool: clear_inode()+0x27: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x168: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x9f: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x13f: unreachable instruction drivers/char/virtio_console.o: warning: objtool: free_buf()+0x52: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x22: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction fs/seq_file.o: warning: objtool: seq_escape()+0x21: unreachable instruction fs/libfs.o: warning: objtool: simple_write_end()+0x88: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0x37: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2d: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x10: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x13: unreachable instruction drivers/dma-buf/reservation.c:210:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/genalloc.o: warning: objtool: gen_pool_free()+0xab: unreachable instruction kernel/workqueue.o: warning: objtool: wq_numa_init()+0x47: unreachable instruction lib/swiotlb.o: warning: objtool: swiotlb_tbl_sync_single()+0x4f: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4a: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xe: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x11c: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x34: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapin()+0x21: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x23: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x1a: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.2()+0x43: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x21: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x23: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x3a: unreachable instruction drivers/gpu/drm/drm_gem.o: warning: objtool: drm_gem_get_pages()+0xb0: unreachable instruction drivers/input/rmi4/rmi_f11.c:631:3: warning: 'abs_fingers' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x26: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x48: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x73: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x1a: unreachable instruction drivers/input/touchscreen/hideep.c:646:16: warning: 'error' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb6: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x91: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.13()+0x91: unreachable instruction drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0x75: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x31: unreachable instruction drivers/media/v4l2-core/videobuf-vmalloc.o: warning: objtool: videobuf_to_vmalloc()+0x13: unreachable instruction drivers/media/v4l2-core/videobuf-core.o: warning: objtool: videobuf_status.isra.4()+0x10: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x11: unreachable instruction drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_handle_carveout()+0x83: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x1a3: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf.isra.40()+0x119: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x49: unreachable instruction drivers/video/backlight/adp8860_bl.c:601:32: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] drivers/video/backlight/adp8860_bl.c:579:10: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] drivers/video/backlight/adp8860_bl.c:443:16: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/video/backlight/adp8870_bl.c:785:32: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] drivers/video/backlight/adp8870_bl.c:564:16: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5e: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x9b: unreachable instruction drivers/usb/dwc3/gadget.o: warning: objtool: dwc3_gadget_init()+0x171: unreachable instruction drivers/usb/gadget/udc/mv_u3d_core.o: warning: objtool: mv_u3d_remove()+0x22: unreachable instruction drivers/usb/gadget/udc/mv_udc_core.o: warning: objtool: mv_udc_probe()+0x1bb: unreachable instruction drivers/usb/host/xhci-mem.o: warning: objtool: scratchpad_alloc()+0x1d4: unreachable instruction Full Log # git rev-parse -q --verify 27a23f4bd3092a6e927aef8483eb41412fe4584e^{commit} 27a23f4bd3092a6e927aef8483eb41412fe4584e already have revision, skipping fetch # git checkout -q -f -B kisskb 27a23f4bd3092a6e927aef8483eb41412fe4584e # git clean -qxdf # < git log -1 # commit 27a23f4bd3092a6e927aef8483eb41412fe4584e # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Tue May 22 10:00:33 2018 +1000 # # Merge 956158646a46 # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 27a23f4bd3092a6e927aef8483eb41412fe4584e # < make -s -j 8 ARCH=x86_64 O=/kisskb/build/mpe_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0x2AC68290 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n \| make -s -j 8 ARCH=x86_64 O=/kisskb/build/mpe_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 8 ARCH=x86_64 O=/kisskb/build/mpe_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7d: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x12: unreachable instruction /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/apic/io_apic.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x84: unreachable instruction kernel/cgroup/cpuset.o: warning: objtool: cpuset_init()+0x1d: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x74: unreachable instruction mm/filemap.o: warning: objtool: __add_to_page_cache_locked()+0x52: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x7a: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x24: unreachable instruction mm/page-writeback.o: warning: objtool: write_one_page()+0x49: unreachable instruction mm/page_alloc.o: warning: objtool: move_freepages()+0xe4: unreachable instruction mm/readahead.o: warning: objtool: read_cache_pages_invalidate_page()+0x35: unreachable instruction kernel/events/uprobes.o: warning: objtool: __replace_page()+0x56: unreachable instruction mm/swap.o: warning: objtool: __pagevec_lru_add_fn()+0x5f: unreachable instruction mm/truncate.o: warning: objtool: invalidate_complete_page2()+0x6d: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x22: unreachable instruction ipc/sem.o: warning: objtool: find_alloc_undo()+0x3a9: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x12: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_unhash_cookie()+0x72: unreachable instruction /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1637:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/shm.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0x5a: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x32: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x29: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x2f: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x22: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_readpages_end()+0xa0: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x2c: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x94: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x23: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1e: unreachable instruction /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/vmstat.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x4a: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x31: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x1e: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x14: unreachable instruction fs/hugetlbfs/inode.o: warning: objtool: remove_inode_hugepages()+0x170: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x33: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/e820.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2a: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x303: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1d: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.7()+0xe6: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x97: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x5c: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x53: unreachable instruction /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'arch_validate_hwbkpt_settings': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:361:20: warning: 'align' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/hw_breakpoint.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/debug.o: warning: objtool: __dump_page()+0x45: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x26: unreachable instruction kernel/sched/core.o: warning: objtool: migrate_tasks()+0xfa: unreachable instruction mm/gup.o: warning: objtool: gup_huge_pud()+0x16c: unreachable instruction mm/mlock.o: warning: objtool: __munlock_isolate_lru_page()+0x73: unreachable instruction mm/memory.o: warning: objtool: __do_fault()+0x6d: unreachable instruction mm/mmap.o: warning: objtool: unmapped_area()+0x160: unreachable instruction mm/page_vma_mapped.o: warning: objtool: page_vma_mapped_walk()+0x9c: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x26: unreachable instruction mm/pgtable-generic.o: warning: objtool: pmdp_huge_clear_flush()+0x10: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x3d: unreachable instruction mm/rmap.o: warning: objtool: __page_check_anon_rmap()+0x2b: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x30: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x28: unreachable instruction mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x42: unreachable instruction /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:340:21: note: 'pdeo' was declared here /kisskb/src/fs/proc/inode.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x1c: unreachable instruction mm/madvise.o: warning: objtool: madvise_free_pte_range()+0x3ed: unreachable instruction fs/proc/base.o: warning: objtool: proc_pid_cmdline_read()+0x28: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x69: unreachable instruction fs/proc/array.o: warning: objtool: proc_pid_status()+0x71: unreachable instruction mm/hugetlb.o: warning: objtool: set_vma_resv_map()+0x19: unreachable instruction /kisskb/src/sound/core/pcm_iec958.c: In function 'create_iec958_consumer': /kisskb/src/sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/core/pcm_iec958.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/mempolicy.o: warning: objtool: policy_nodemask()+0x31: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction mm/slab.o: warning: objtool: cache_free_debugcheck()+0x4a: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.1()+0xf6: unreachable instruction mm/migrate.o: warning: objtool: add_page_for_migration()+0x90: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x39: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x7a: unreachable instruction mm/huge_memory.o: warning: objtool: freeze_page()+0x1f: unreachable instruction mm/khugepaged.o: warning: objtool: khugepaged_alloc_page()+0x21: unreachable instruction kernel/trace/trace_functions_graph.o: warning: objtool: ftrace_pop_return_trace.isra.8()+0x21: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6d: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x260: unreachable instruction mm/memory-failure.o: warning: objtool: new_page()+0x4e: unreachable instruction /kisskb/src/drivers/char/tpm/tpm-sysfs.c: In function 'pubek_show': /kisskb/src/drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-sysfs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x23: unreachable instruction fs/namei.o: warning: objtool: page_get_link()+0x6f: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x5d: unreachable instruction /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: __d_rehash()+0x83: unreachable instruction /kisskb/src/lib/rhashtable.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/inode.o: warning: objtool: clear_inode()+0x27: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x168: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x9f: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x13f: unreachable instruction drivers/char/virtio_console.o: warning: objtool: free_buf()+0x52: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x22: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction fs/seq_file.o: warning: objtool: seq_escape()+0x21: unreachable instruction fs/libfs.o: warning: objtool: simple_write_end()+0x88: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0x37: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2d: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x10: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x13: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:210:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/genalloc.o: warning: objtool: gen_pool_free()+0xab: unreachable instruction kernel/workqueue.o: warning: objtool: wq_numa_init()+0x47: unreachable instruction lib/swiotlb.o: warning: objtool: swiotlb_tbl_sync_single()+0x4f: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4a: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xe: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x11c: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x34: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapin()+0x21: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x23: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x1a: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.2()+0x43: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x21: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x23: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x3a: unreachable instruction drivers/gpu/drm/drm_gem.o: warning: objtool: drm_gem_get_pages()+0xb0: unreachable instruction /kisskb/src/drivers/input/rmi4/rmi_f11.c: In function 'rmi_f11_finger_handler': /kisskb/src/drivers/input/rmi4/rmi_f11.c:631:3: warning: 'abs_fingers' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/rmi4/rmi_f11.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x26: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x48: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x73: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x1a: unreachable instruction /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:646:16: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/hideep.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb6: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x91: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.13()+0x91: unreachable instruction drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0x75: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x31: unreachable instruction drivers/media/v4l2-core/videobuf-vmalloc.o: warning: objtool: videobuf_to_vmalloc()+0x13: unreachable instruction drivers/media/v4l2-core/videobuf-core.o: warning: objtool: videobuf_status.isra.4()+0x10: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x11: unreachable instruction drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_handle_carveout()+0x83: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x1a3: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf.isra.40()+0x119: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x49: unreachable instruction /kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_bl_ambient_light_zone_show': /kisskb/src/drivers/video/backlight/adp8860_bl.c:601:32: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_bl_ambient_light_level_show': /kisskb/src/drivers/video/backlight/adp8860_bl.c:579:10: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_show': /kisskb/src/drivers/video/backlight/adp8860_bl.c:443:16: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/video/backlight/adp8860_bl.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/video/backlight/adp8870_bl.c: In function 'adp8870_bl_ambient_light_zone_show': /kisskb/src/drivers/video/backlight/adp8870_bl.c:785:32: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/video/backlight/adp8870_bl.c: In function 'adp8870_show': /kisskb/src/drivers/video/backlight/adp8870_bl.c:564:16: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/video/backlight/adp8870_bl.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5e: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x9b: unreachable instruction drivers/usb/dwc3/gadget.o: warning: objtool: dwc3_gadget_init()+0x171: unreachable instruction drivers/usb/gadget/udc/mv_u3d_core.o: warning: objtool: mv_u3d_remove()+0x22: unreachable instruction drivers/usb/gadget/udc/mv_udc_core.o: warning: objtool: mv_udc_probe()+0x1bb: unreachable instruction drivers/usb/host/xhci-mem.o: warning: objtool: scratchpad_alloc()+0x1d4: unreachable instruction Completed OK # rm -rf /kisskb/build/mpe_x86_64-randconfig_x86_64 # Build took: 0:01:44.738793

© Michael Ellerman 2006-2018.