# git rev-parse -q --verify 0854ba5ff5c938307cd783e996b62c83f1ce923b^{commit}
0854ba5ff5c938307cd783e996b62c83f1ce923b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0854ba5ff5c938307cd783e996b62c83f1ce923b
# git clean -qxdf
# < git log -1
# commit 0854ba5ff5c938307cd783e996b62c83f1ce923b
# Merge: 0238df646e62 b7dc10b64f61
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Mon Oct 8 16:25:01 2018 +0200
# 
#     Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
#     
#     David writes:
#       "Sparc fixes:
#     
#        1) Minor fallthru comment tweaks from Gustavo A. R. Silva.
#     
#        2) VLA removal from Kees Cook.
#     
#        3) Make sparc vdso Makefile match x86, from Masahiro Yamada.
#     
#        4) Fix clock divider programming in mach64 driver, from Mikulas
#           Patocka."
#     
#     * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
#       sparc64: fix fall-through annotation
#       sparc32: fix fall-through annotation
#       sparc: vdso: clean-up vdso Makefile
#       oradax: remove redundant null check before kfree
#       sparc64: viohs: Remove VLA usage
#       sbus: Use of_get_child_by_name helper
#       sparc: Convert to using %pOFn instead of device_node.name
#       mach64: detect the dot clock divider correctly on sparc
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 0854ba5ff5c938307cd783e996b62c83f1ce923b
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_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=0xC4A0C7FA
# 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 48 ARCH=x86_64 O=/kisskb/build/linus-rand_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
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler
scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler
arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: 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:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x34: unreachable instruction
/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: sync_global_pgds_l4()+0x54: unreachable instruction
kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xf4: unreachable instruction
security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: unreachable instruction
kernel/power/suspend.o: warning: objtool: suspend_enter()+0x101: unreachable instruction
kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7d: unreachable instruction
kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x14: unreachable instruction
kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x1c: unreachable instruction
arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x109: unreachable instruction
/kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_nodes':
/kisskb/src/kernel/rcu/srcutree.c:129:33: warning: 'levelspread[<U7820>]' may be used uninitialized in this function [-Wuninitialized]
arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x11: unreachable instruction
crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x30: unreachable instruction
crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0x50: unreachable instruction
/kisskb/src/kernel/rcu/srcutree.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/kernel/sched/core.c: In function 'update_rq_clock_task':
/kisskb/src/kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:185:16: 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]
arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x7f: unreachable instruction
kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x8f: unreachable instruction
arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction
kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction
kernel/exit.o: warning: objtool: release_task()+0x9a: unreachable instruction
/kisskb/src/kernel/sched/core.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
kernel/sched/rt.o: warning: objtool: _pick_next_task_rt()+0x2c: unreachable instruction
arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1e: unreachable instruction
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:653:2: 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/mm/physaddr.o: warning: objtool: __phys_addr()+0x24: unreachable instruction
arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x30: unreachable instruction
arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x27: unreachable instruction
/kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse':
/kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:18: 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]
kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x5e: unreachable instruction
fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x56: unreachable instruction
kernel/trace/trace.o: warning: objtool: tracing_start()+0x30: unreachable instruction
arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code.constprop.10()+0x4c: unreachable instruction
kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4a: unreachable instruction
arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x3c: unsupported stack register modification
kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction
fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x216: unreachable instruction
kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x28: unreachable instruction
kernel/cred.o: warning: objtool: __put_cred()+0x1b: unreachable instruction
kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x73: unreachable instruction
kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xee: unreachable instruction
fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe9: unreachable instruction
crypto/drbg.o: warning: objtool: drbg_async_seed()+0x59: unreachable instruction
kernel/kexec_file.o: warning: objtool: arch_kexec_kernel_image_load()+0x22: unsupported stack register modification
kernel/seccomp.o: warning: objtool: seccomp_set_mode_strict()+0x36: unreachable instruction
fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x43: unreachable instruction
fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x32: unreachable instruction
fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x35: unreachable instruction
drivers/android/binder_alloc.o: warning: objtool: binder_insert_free_buffer()+0x1b: unreachable instruction
mm/page_alloc.o: warning: objtool: __offline_isolated_pages()+0xdc: unreachable instruction
fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x2a: unreachable instruction
fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0xf4: unreachable instruction
fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x126: unreachable instruction
block/bio.o: warning: objtool: bio_split()+0x1b: unreachable instruction
block/elevator.o: warning: objtool: __elv_add_request()+0x1db: unreachable instruction
fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x3e: unreachable instruction
fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3d: unreachable instruction
fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x35: unreachable instruction
fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x198: unreachable instruction
block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2f: unreachable instruction
drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x3f: unreachable instruction
fs/crypto/crypto.o: warning: objtool: fscrypt_encrypt_page()+0x2a: unreachable instruction
drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2c: unreachable instruction
fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1a9: unreachable instruction
fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x310: unreachable instruction
block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1e: unreachable instruction
drivers/android/binder.o: warning: objtool: binder_pop_transaction_ilocked()+0xc: unreachable instruction
fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x53: unreachable instruction
/kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace':
/kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction
/kisskb/src/drivers/dma-buf/reservation.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
mm/vmscan.o: warning: objtool: __remove_mapping()+0x2d: unreachable instruction
fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1b6: unreachable instruction
fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x514: unreachable instruction
fs/btrfs/inode.o: warning: objtool: dio_read_error()+0x2c: unreachable instruction
block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x19: unreachable instruction
fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xef: unreachable instruction
fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3e: unreachable instruction
/kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl':
/kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/mpi/mpicoder.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/ext4/bitmap.o: warning: objtool: ext4_chksum()+0x17: unreachable instruction
mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction
fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x28: unreachable instruction
mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.11()+0x7b: unreachable instruction
/kisskb/src/block/bfq-iosched.c: In function 'bfq_exit_icq_bfqq':
/kisskb/src/block/bfq-iosched.c:4110:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized]
fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x15f: unreachable instruction
/kisskb/src/block/bfq-iosched.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction
fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x41: unreachable instruction
fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x4c: unreachable instruction
/kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp]
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x59: unreachable instruction
fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2a: unreachable instruction
mm/gup.o: warning: objtool: get_gate_page()+0xc6: unreachable instruction
drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x1c: unreachable instruction
drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xae: unreachable instruction
mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1e: unreachable instruction
fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x36: unreachable instruction
fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x23: unreachable instruction
fs/btrfs/send.o: warning: objtool: read_symlink()+0xc1: unreachable instruction
mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x2a: unreachable instruction
mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x2e: unreachable instruction
fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x5e: unreachable instruction
mm/memory_hotplug.o: warning: objtool: __remove_pages()+0x7b: unreachable instruction
fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5d: unreachable instruction
mm/vmalloc.o: warning: objtool: vb_free()+0x1d: unreachable instruction
mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x1f: unreachable instruction
mm/migrate.o: warning: objtool: buffer_migrate_page()+0x3d: unreachable instruction
fs/ext4/ialloc.o: warning: objtool: ext4_chksum.constprop.12()+0x15: unreachable instruction
mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.43()+0x1a3: unreachable instruction
fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2b: unreachable instruction
mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0xb5: unreachable instruction
mm/slab.o: warning: objtool: cache_alloc_refill()+0x48: unreachable instruction
fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x17: unreachable instruction
mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x12f: unreachable instruction
mm/huge_memory.o: warning: objtool: vmf_insert_pfn_pmd()+0x42: unreachable instruction
fs/fscache/cookie.o: warning: objtool: fscache_hash_cookie()+0xde: unreachable instruction
fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x3f: unreachable instruction
fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x10a: unreachable instruction
/kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one':
/kisskb/src/lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/rhashtable.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery':
/kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x24: unreachable instruction
/kisskb/src/drivers/i2c/i2c-core-base.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x40: unreachable instruction
lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction
fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0x8d: unreachable instruction
drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x25: unreachable instruction
lib/genalloc.o: warning: objtool: gen_pool_free()+0x42: unreachable instruction
fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x3e: unreachable instruction
lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x3e: unreachable instruction
fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3d: unreachable instruction
fs/ext4/inode.o: warning: objtool: ext4_chksum()+0x17: unreachable instruction
drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x2a: unreachable instruction
fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x11: unreachable instruction
fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x68: unreachable instruction
fs/ext4/namei.o: warning: objtool: ext4_chksum()+0x17: unreachable instruction
drivers/base/devres.o: warning: objtool: remove_nodes.isra.2()+0x9f: unreachable instruction
fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x93: unreachable instruction
lib/plist.o: warning: objtool: plist_requeue()+0x1d: unreachable instruction
lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction
drivers/md/persistent-data/dm-array.o: warning: objtool: populate_ablock_with_values()+0x31: unreachable instruction
drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction
fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x3a: unreachable instruction
fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0x5a: unreachable instruction
fs/ext4/xattr.o: warning: objtool: ext4_chksum()+0x17: unreachable instruction
fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x129: unreachable instruction
lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x20: unreachable instruction
/kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get':
/kisskb/src/fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/gfs2/bmap.c:921:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized]
fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x3a: unreachable instruction
drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf()+0x46: unreachable instruction
/kisskb/src/fs/gfs2/bmap.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x36: unreachable instruction
fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x34: unreachable instruction
fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x26: unreachable instruction
fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1e: unreachable instruction
fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x56: unreachable instruction
fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x68: unreachable instruction
drivers/md/persistent-data/dm-btree-remove.o: warning: objtool: node_copy()+0x26: unreachable instruction
drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x1a: unreachable instruction
fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x12: unreachable instruction
fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x47: unreachable instruction
fs/ext4/super.o: warning: objtool: ext4_chksum()+0x17: unreachable instruction
drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa5: unreachable instruction
/kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check':
/kisskb/src/drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized]
drivers/memstick/core/mspro_block.o: warning: objtool: h_mspro_block_transfer_data()+0x1a3: unreachable instruction
fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2c: unreachable instruction
drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.5()+0xa3: unreachable instruction
fs/gfs2/quota.o: warning: objtool: hlist_bl_add_head_rcu()+0x1f: unreachable instruction
/kisskb/src/drivers/gpu/drm/drm_atomic.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x80: unreachable instruction
fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x87: unreachable instruction
drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x31: unreachable instruction
fs/jbd2/commit.o: warning: objtool: jbd2_chksum()+0x17: unreachable instruction
/kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty':
/kisskb/src/fs/f2fs/node.c:265:17: warning: 'head' may be used uninitialized in this function [-Wuninitialized]
drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x2b: unreachable instruction
fs/jbd2/recovery.o: warning: objtool: jbd2_chksum()+0x17: unreachable instruction
/kisskb/src/fs/f2fs/node.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x1ed: unreachable instruction
fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x25: unreachable instruction
fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x28: unreachable instruction
fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1a: unreachable instruction
drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x18d: unreachable instruction
fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xa8: unreachable instruction
drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x8a: unreachable instruction
fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x12: unreachable instruction
fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x72: unreachable instruction
fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x55: can't find jump dest instruction at .text+0x1d1
fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x6b: unreachable instruction
drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x49: unreachable instruction
fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x1c: unreachable instruction
drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5e: unreachable instruction
drivers/scsi/device_handler/scsi_dh_alua.o: warning: objtool: alua_rtpg()+0x47c: unreachable instruction
fs/jbd2/journal.o: warning: objtool: get_slab()+0x14: unreachable instruction
fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x106: unreachable instruction
drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf4: unreachable instruction
fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x6a: unreachable instruction
fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x46: unreachable instruction
fs/ntfs/mft.o: warning: objtool: unmap_mft_record()+0x15: unreachable instruction
fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x33: unreachable instruction
fs/ntfs/sysctl.o: warning: objtool: ntfs_sysctl()+0x16: unreachable instruction
fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x36: unreachable instruction
/kisskb/src/drivers/tty/serial/serial_core.c: In function 'uart_write':
/kisskb/src/include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/serial_core.c:567:16: note: 'flags' was declared here
fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0x7: unreachable instruction
drivers/uwb/est.o: warning: objtool: uwb_est_get_size()+0xa4: unreachable instruction
/kisskb/src/drivers/tty/serial/serial_core.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x18d: unreachable instruction
drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x34: unreachable instruction
drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x19: unreachable instruction
drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x1e: unreachable instruction
fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd4: 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:341:21: 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]
drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x526: unreachable instruction
drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_start_rx_dma()+0x105: unreachable instruction
fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x43: unreachable instruction
drivers/md/raid5.o: warning: objtool: do_release_stripe()+0x29: unreachable instruction
drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x4c: unreachable instruction
fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x40: unreachable instruction
fs/proc/array.o: warning: objtool: proc_task_name()+0x51: unreachable instruction
fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x2c: unreachable instruction
drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0x61: unreachable instruction
drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x10: unreachable instruction
fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x30: unreachable instruction
fs/exec.o: warning: objtool: de_thread()+0x203: unreachable instruction
drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x2b: unreachable instruction
fs/file.o: warning: objtool: __fd_install()+0xe7: unreachable instruction
fs/inode.o: warning: objtool: clear_inode()+0x26: unreachable instruction
drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x41: unreachable instruction
drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0xa4: unreachable instruction
fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x1f: unreachable instruction
/kisskb/src/fs/splice.c: In function '__do_sys_vmsplice':
/kisskb/src/fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/splice.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
fs/mpage.o: warning: objtool: __mpage_writepage()+0x8b: unreachable instruction
fs/direct-io.o: warning: objtool: do_direct_IO()+0x1a5: unreachable instruction
fs/mbcache.o: warning: objtool: mb_cache_entry_create()+0x133: unreachable instruction
fs/block_dev.o: warning: objtool: blkdev_get()+0xc1: unreachable instruction
fs/namei.o: warning: objtool: unlazy_walk()+0x19: unreachable instruction
drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x28: unreachable instruction
fs/aio.o: warning: objtool: aio_nr_sub()+0x22: unreachable instruction
fs/buffer.o: warning: objtool: cont_expand_zero()+0xfb: unreachable instruction
drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x33: unreachable instruction
fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.17()+0x2c: unreachable instruction
fs/locks.o: warning: objtool: locks_free_lock()+0x1e: unreachable instruction
drivers/md/dm-writecache.o: warning: objtool: __writecache_endio_ssd()+0x92: unreachable instruction
drivers/usb/host/isp116x-hcd.o: warning: objtool: preproc_atl_queue()+0x2a: unreachable instruction
drivers/md/dm-thin.o: warning: objtool: cmp_cells()+0x16: unreachable instruction
/kisskb/src/drivers/usb/serial/f81534.c: In function 'f81534_set_register':
/kisskb/src/drivers/usb/serial/f81534.c:244:3: warning: 'status' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/usb/serial/f81534.c: In function 'f81534_get_register':
/kisskb/src/drivers/usb/serial/f81534.c:283:3: warning: 'status' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/usb/serial/f81534.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/scripts/unifdef.c: In function 'Mpass':
/kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
 static void Mpass (void) { strncpy(keyword, "if  ", 4); Pelif(); }
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~
Completed OK
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64
# Build took: 0:01:28.481556