Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Aug 23 2018, 10:07
kisskb
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Status:
OK
Date/Time:
Aug 23 2018, 10:07
Duration:
0:03:13.908812
Builder:
ka1
Revision:
Merge tag 'platform-drivers-x86-v4.19-1' of git://git.infradead.org/linux-platform-drivers-x86 (
899fbc33fd775b9dfa363db28f322272920a2196)
Target:
linus-rand/x86_64-randconfig/x86_64-gcc4.6
Branch:
linus-rand
Compiler:
x86_64-gcc4.6
(x86_64-linux-gcc (GCC) 4.6.3)
Config:
randconfig
(
download
)
Log:
Download original
Possible warnings (610)
include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0x12f: unreachable instruction arch/x86/entry/vsyscall/vsyscall_64.c:209:16: warning: 'syscall_nr' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/events/amd/ibs.c:306:11: warning: 'config' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x116: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cgroup/cgroup-v1.c:1245:9: warning: 'root' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x57: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x46: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/file.h:42:2: warning: '*((void *)&output+8)' may be used uninitialized in this function [-Wuninitialized] include/linux/file.h:43:7: warning: 'output.file' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] mm/mempool.o: warning: objtool: mempool_resize()+0x42: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x47: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cgroup/cpuset.o: warning: objtool: cpuset_init()+0x3e: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x52: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x206: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x4e: unreachable instruction fs/btrfs/ctree.c:2113:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/ctree.c:1900:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x4a: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x108: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x50: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0xa9: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x260: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x5c: unreachable instruction include/linux/compiler.h:215:31: warning: 'ulp' may be used uninitialized in this function [-Wuninitialized] ipc/sem.c:2255:15: warning: 'undo_list' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] ipc/sem.o: warning: objtool: find_alloc_undo()+0x3b7: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x53: unreachable instruction ipc/shm.c:1684:3: warning: 'file' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x7b: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x1df: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x8a: unreachable instruction mm/shmem.o: warning: objtool: shmem_init()+0x43: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x21c: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x5a: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x4a: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x5f: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x197: 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] drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x9e: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.14()+0xc3: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x37a: unreachable instruction drivers/ata/libata-scsi.c:4622:3: warning: 'dev' may be used uninitialized in this function [-Wuninitialized] drivers/ata/libata-scsi.c:4622:3: warning: 'last_failed_dev' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x3d: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0x143: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x3e3: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x39: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] block/blk-core.o: warning: objtool: blk_dequeue_request()+0x4e: unreachable instruction include/linux/spinlock.h:369:2: warning: 'ptl' may be used uninitialized in this function [-Wuninitialized] include/linux/spinlock.h:369:2: warning: 'dst_ptl' may be used uninitialized in this function [-Wuninitialized] block/blk-sysfs.c:453:7: warning: 'val' may be used uninitialized in this function [-Wuninitialized] fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0xe2: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x55: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/inode.c:1487:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/inode.c:1487:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/inode.c:1485:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x65: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xf1: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x95c: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x44: unreachable instruction block/blk-merge.c:294:2: warning: 'bbio' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x47: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x2f4: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x5a: unreachable instruction include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] kernel/sched/core.o: warning: objtool: migrate_tasks()+0x202: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x5c: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x5e: unreachable instruction block/blk-mq-tag.o: warning: objtool: blk_mq_put_tag()+0x66: unreachable instruction drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x8e: unreachable instruction drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2605:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2715:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x4f: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/kernel/hw_breakpoint.c:366:2: warning: 'align' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x93: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x11c: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x3a2: unreachable instruction fs/btrfs/extent_io.c:2639:32: warning: 'tree' may be used uninitialized in this function [-Wuninitialized] mm/memblock.c:1200:15: warning: 'r' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0x1a0: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/sched/rt.o: warning: objtool: dequeue_top_rt_rq()+0x4d: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x76: unreachable instruction mm/swapfile.c:3778:1: warning: 'si' may be used uninitialized in this function [-Wuninitialized] mm/swapfile.c:3009:6: warning: 'nr_extents' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/swapfile.o: warning: objtool: swap_count_continued()+0x7e: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x64: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.4()+0x132: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x90: unreachable instruction mm/hugetlb.c:1433:2: warning: 'page' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x63: unsupported stack register modification cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x1ee: unreachable instruction fs/btrfs/ioctl.c:3520:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x7e8: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x9b: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x85: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x68: unreachable instruction mm/huge_memory.c:1315:2: warning: 'huge_gfp' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/huge_memory.o: warning: objtool: __split_huge_pmd_locked()+0x78c: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x40: unreachable instruction mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.41()+0x3d7: unreachable instruction fs/btrfs/tree-log.c:4293:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:485:8: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/free-space-cache.c:2840:5: warning: 'next_zero' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] crypto/drbg.o: warning: objtool: drbg_seed()+0x110: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6c: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] 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] kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x7a: unreachable instruction drivers/char/tpm/tpm.h:476:2: warning: 'buf.flags' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-cmd.c:800:24: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-cmd.c:321:25: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-cmd.c:373:2: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-cmd.c:461:20: warning: 'hash' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0xa4: unreachable instruction drivers/char/random.c:1437:13: warning: 'v' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x264: unreachable instruction drivers/char/random.c:1932:11: warning: 't' may be used uninitialized in this function [-Wuninitialized] drivers/char/random.c:943:20: warning: 'rv' may be used uninitialized in this function [-Wuninitialized] drivers/char/random.c:981:19: warning: 'v' may be used uninitialized in this function [-Wuninitialized] drivers/char/random.c:800:18: warning: 'rv' may be used uninitialized in this function [-Wuninitialized] drivers/char/random.c:2224:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/char/random.c:2260:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x5f: unreachable instruction drivers/char/tpm/tpm2-space.c:86:23: warning: 'tbuf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-space.c:135:23: warning: 'tbuf.data' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/trace/trace_functions_graph.o: warning: objtool: ftrace_pop_return_trace.isra.8()+0x21: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x55: unreachable instruction drivers/char/tpm/tpm_vtpm_proxy.c:420:23: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c:358:10: warning: 'pc' may be used uninitialized in this function [-Wuninitialized] arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c:361:17: warning: 'code' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x68: unreachable instruction fs/debugfs/file.o: warning: objtool: full_proxy_open()+0x15a: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x1b5: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x84: unreachable instruction lib/mpi/mpicoder.c:330:5: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cpu.o: warning: objtool: takedown_cpu()+0xd0: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x48: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0xba: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x57: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x4a: unreachable instruction 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] lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x3c7: unreachable instruction fs/btrfs/send.c:1752:2: warning: 'found_key.type' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/send.c:1781:7: warning: 'found_key.offset' may be used uninitialized in this function [-Wuninitialized] fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x10f: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/send.o: warning: objtool: read_symlink()+0x129: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x43: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x86: unreachable instruction fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0x122: unreachable instruction fs/ext4/extents.c:3556:21: warning: 'abut_ex' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x6b: unreachable instruction fs/btrfs/uuid-tree.c:139:21: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/uuid-tree.c:140:25: warning: 'eb' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x64: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x53: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.c:142:3: warning: 'signaled_idx' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/f2fs/inode.o: warning: objtool: f2fs_inode_chksum()+0x309: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x8c: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xb7: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0xa3: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x51: unreachable instruction drivers/firmware/qemu_fw_cfg.c:495:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0x1f4: unreachable instruction include/asm-generic/bitops/le.h:55:9: warning: 'bit' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x1338: unreachable instruction fs/btrfs/ref-verify.c:503:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/ref-verify.c:552:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cred.o: warning: objtool: __put_cred()+0x3d: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x1f4: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x208: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0xe0: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x2aa: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x83: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x9e: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x52: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x7a: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: get_checkpoint_version()+0x278: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x5f: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x103: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x49: unreachable instruction fs/ext4/inode.o: warning: objtool: ext4_journalled_zero_new_buffers()+0x54: unreachable instruction fs/f2fs/data.c:1350:7: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/data.c:1350:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized] kernel/kexec_file.c:896:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/node.c:2749:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/kexec_file.o: warning: objtool: kexec_image_load_default()+0x3c: unsupported stack register modification lib/rhashtable.c:265:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x4d4: unreachable instruction drivers/gpu/drm/selftests/test-drm_mm.o: warning: objtool: __igt_reserve()+0xad: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x4e: unreachable instruction fs/isofs/namei.c:136:23: warning: 'i' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/assoc_array.c:645:2: warning: 'j' may be used uninitialized in this function [-Wuninitialized] fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x57: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x91: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x92: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x59: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0xa9: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0x2df: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0x1b1: unreachable instruction drivers/gpu/drm/drm_atomic_helper.c:1929:26: warning: 'new_crtc_state' may be used uninitialized in this function [-Wuninitialized] fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0x142: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x159: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0x1f8: unreachable instruction include/linux/hid.h:1048:34: warning: 'report' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x70: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x130: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x46: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x55: unreachable instruction fs/jfs/namei.o: warning: objtool: jfs_rename()+0x4cd: unreachable instruction drivers/hid/hid-logitech-hidpp.c:868:15: warning: '__name_length' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/jbd2/journal.o: warning: objtool: get_slab()+0x53: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x49: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtUpdate()+0xa02: unreachable instruction drivers/gpu/drm/drm_bufs.c:526:4: warning: 'master' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/kobject.o: warning: objtool: create_dir()+0xd9: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x6e3: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_superblock_csum()+0x4e: unreachable instruction fs/jfs/jfs_dmap.o: warning: objtool: dbFindBits()+0x2f: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x49: unreachable instruction drivers/hwmon/applesmc.c:552:2: warning: 'count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x52: unreachable instruction drivers/hid/hid-picolcd_debugfs.c:312:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_dtree.o: warning: objtool: add_index()+0x4e: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/xattr.o: warning: objtool: ext4_xattr_inode_hash()+0x58: unreachable instruction drivers/i2c/i2c-core-base.c:235:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/ide/ide-io.o: warning: objtool: start_request()+0x47: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x47: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x44: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x26b: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x37: unreachable instruction drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x56: unreachable instruction drivers/gpu/drm/drm_edid.c:3747:30: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_edid.c:3146:3: warning: 'clock2' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x5d: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x4a: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x1df: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x7f: unreachable instruction drivers/gpu/drm/drm_atomic.c:2424:14: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_atomic.c:760:2: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xe0: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x8b: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x61: can't find jump dest instruction at .text+0x2ac fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0xcb: unreachable instruction fs/ntfs/dir.c:1430:7: warning: 'bmp_vi' may be used uninitialized in this function [-Wuninitialized] fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x4c: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x71: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x71: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x41: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/mft.o: warning: objtool: unmap_mft_record()+0x44: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0xb2: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_runlists_merge()+0x694: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x27e: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x8d: unreachable instruction fs/reiserfs/bitmap.c:269:9: warning: 'next' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x187: unreachable instruction drivers/iio/light/apds9960.c:671:26: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] drivers/iio/light/apds9960.c:630:25: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c:750:8: warning: 'drdy_int_reg' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x110: unreachable instruction drivers/iio/light/isl29018.c:128:16: warning: 'new_int_time' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x98: unreachable instruction drivers/leds/leds-pca955x.c:164:2: warning: 'ls' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/iio/light/lv0104cs.c:313:23: warning: 'index' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/memstick/core/mspro_block.o: warning: objtool: h_mspro_block_transfer_data()+0x261: unreachable instruction drivers/media/common/videobuf2/videobuf2-core.c:2550:3: warning: 'vb' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/leds/leds-max8997.c:91:27: warning: 'val' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x104: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x79: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x47: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x66: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x76: unreachable instruction drivers/mtd/chips/cfi_cmdset_0020.o: warning: objtool: cfi_staa_read()+0xa14: unreachable instruction drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0xf8: unreachable instruction drivers/mtd/chips/cfi_cmdset_0002.o: warning: objtool: do_panic_write_oneword()+0x10e: unreachable instruction drivers/mtd/chips/cfi_cmdset_0001.o: warning: objtool: inval_cache_and_wait_for_operation()+0x2a8: unreachable instruction drivers/iio/proximity/srf08.c:370:33: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/da903x.c:186:11: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/da903x.c:208:11: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/da903x.c:230:11: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mmc/host/wbsd.o: warning: objtool: wbsd_chip_poweroff()+0x3f: unreachable instruction drivers/mtd/devices/phram.c:257:8: warning: 'name' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mmc/host/android-goldfish.o: warning: objtool: goldfish_mmc_remove()+0x4d: unreachable instruction drivers/mtd/lpddr/qinfo_probe.o: warning: objtool: lpddr_info_query()+0x41d: unreachable instruction drivers/mtd/lpddr/lpddr_cmds.o: warning: objtool: wait_for_ready()+0x125: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x4f8: unreachable instruction drivers/mtd/nand/raw/nand_base.c:6277:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6276:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6275:17: warning: 'best_step' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x79: unreachable instruction drivers/mtd/nand/raw/nand_base.c:6347:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6346:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] drivers/nvdimm/dimm_devs.c:499:43: warning: 'nd_mapping' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x9d: unreachable instruction drivers/nvdimm/region_devs.c:1009:26: warning: 'nd_region' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/namei.o: warning: objtool: unlazy_walk()+0x44: unreachable instruction drivers/media/i2c/max2175.c:1095:21: warning: 'rx_mode' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/nvdimm/btt.c:464:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] fs/inode.o: warning: objtool: clear_inode()+0x53: unreachable instruction drivers/media/rc/rc-main.c:1155:15: warning: 'mask' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/dcache.o: warning: objtool: d_instantiate_new()+0x47: unreachable instruction drivers/media/rc/rc-main.c:1518:20: warning: 'protocol' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/file.o: warning: objtool: __fd_install()+0x135: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x1fc: unreachable instruction fs/seq_file.o: warning: objtool: seq_escape()+0x5a: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x18b: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] fs/mpage.o: warning: objtool: __mpage_writepage()+0xf9: unreachable instruction drivers/media/tuners/max2165.c:202:11: warning: 'fraction' may be used uninitialized in this function [-Wuninitialized] drivers/media/tuners/max2165.c:204:19: warning: 'quotient' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/direct-io.o: warning: objtool: do_direct_IO()+0x29c: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/buffer.o: warning: objtool: cont_expand_zero()+0x22d: unreachable instruction drivers/media/v4l2-core/v4l2-compat-ioctl32.c:643:8: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] drivers/media/v4l2-core/v4l2-compat-ioctl32.c:583:6: warning: 'length' may be used uninitialized in this function [-Wuninitialized] drivers/media/v4l2-core/v4l2-compat-ioctl32.c:727:8: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] drivers/media/v4l2-core/v4l2-compat-ioctl32.c:930:2: warning: 'count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/userfaultfd.c:1466:3: warning: 'basic_ioctls' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x3ef: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.25()+0xb5: unreachable instruction drivers/power/supply/da9052-battery.c:325:6: warning: 'level_lower' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:324:22: warning: 'level_upper' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:324:59: warning: 'vbat_upper' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:325:37: warning: 'vbat_lower' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_ex_discover_expander()+0x136: unreachable instruction drivers/power/supply/bq24190_charger.c:801:27: warning: 'en_term' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/bq24190_charger.c:794:27: warning: 'force_20pct' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/staging/comedi/drivers/pcl816.c:148:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x2b5: unreachable instruction drivers/staging/comedi/drivers/pcl818.c:337:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/constants.c:288:2: warning: 'arr_sz' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0xbd: unreachable instruction drivers/staging/greybus/manifest.c:214:20: warning: 'desc_string' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/staging/greybus/interface.c:1024:4: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/thermal/x86_pkg_temp_thermal.c:381:17: warning: 'tj_max' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/dt282x.c:389:2: warning: 'divider' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x70: unreachable instruction drivers/staging/greybus/svc.c:785:29: warning: 'rail_count' 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] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:206:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/regulator/tps6586x-regulator.c:362:3: warning: 'num' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x89: unreachable instruction drivers/regulator/wm8350-regulator.c:133:19: warning: 'setting' may be used uninitialized in this function [-Wuninitialized] drivers/staging/greybus/bootrom.c:300:2: warning: 'size' may be used uninitialized in this function [-Wuninitialized] drivers/staging/greybus/bootrom.c:300:2: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] drivers/staging/greybus/bootrom.c:300:2: warning: 'fw' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/staging/comedi/drivers/ni_mio_common.c:4893:8: warning: 'freq_multiplier' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_mio_common.c:4892:22: warning: 'freq_divider' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/staging/comedi/drivers/ni_tio.c:658:10: warning: 'ni_660x_clock' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:715:10: warning: 'ni_m_series_clock' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:1166:7: warning: 'source' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:1113:7: warning: 'source' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:1213:7: warning: 'source' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:945:34: warning: 'gate2_sel' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:900:22: warning: 'gate_sel' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/ni_tio.c:858:22: warning: 'gate_sel' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x2b0: unreachable instruction drivers/scsi/osst.c:4616:2: warning: 'STp' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] include/linux/compiler.h:188:2: warning: 'sdp' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/sg.c:1141:50: warning: 'sdp' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/video/fbdev/goldfishfb.o: warning: objtool: goldfish_fb_probe()+0x276: unreachable instruction
Full Log
# git rev-parse -q --verify 899fbc33fd775b9dfa363db28f322272920a2196^{commit} 899fbc33fd775b9dfa363db28f322272920a2196 already have revision, skipping fetch # git checkout -q -f -B kisskb 899fbc33fd775b9dfa363db28f322272920a2196 # git clean -qxdf # < git log -1 # commit 899fbc33fd775b9dfa363db28f322272920a2196 # Merge: 2edd73a 9bd5196 # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Wed Aug 22 14:14:15 2018 -0700 # # Merge tag 'platform-drivers-x86-v4.19-1' of git://git.infradead.org/linux-platform-drivers-x86 # # Pull x86 platform driver updates from Andy Shevchenko: # # - The driver for Silead touchscreen configurations has been renamed # from silead_dmi to touchscreen_dmi since it starts supporting other # touchscreens which require some DMI quirks # # It also gets expanded to cover cases for Chuwi Vi10, ONDA V891W, # Connect Tablet 9, Onda V820w, and Cube KNote i1101 tablets. # # - Another bunch of changes is related to Mellanox platform code to # allow user space to communicate with Mellanox for system control and # monitoring purposes. The driver notifies user on hotplug device # signal receiving. # # - ASUS WMI drivers recognize lid flip action on UX360, and correctly # toggles airplane mode LED. In addition the keyboard backlight toggle # gets support. # # - ThinkPad ACPI driver enables support for calculator key (on at least # P52). It also has been fixed to support three characters model # designators, which are used for modern laptops. Earlier the battery, # marked as BAT1, on ThinkPad laptops has not been configured properly, # which is fixed. On the opposite the multi-battery configurations now # probed correctly. # # - Dell SMBIOS driver starts working on some Dell servers which do not # support token interface. The regression with backlight detection has # also been fixed. In order to support dock mode on some laptops, Intel # virtual button driver has been fixed. The last but not least is the # fix to Intel HID driver due to changes in Dell systems that prevented # to use power button. # # * tag 'platform-drivers-x86-v4.19-1' of git://git.infradead.org/linux-platform-drivers-x86: (47 commits) # platform/x86: acer-wmi: Silence "unsupported" message a bit # platform/x86: intel_punit_ipc: fix build errors # platform/x86: ideapad: Add Y520-15IKBM and Y720-15IKBM to no_hw_rfkill # platform/x86: asus-nb-wmi: Add keymap entry for lid flip action on UX360 # platform/x86: acer-wmi: refactor function has_cap # platform/x86: thinkpad_acpi: Fix multi-battery bug # platform/x86: thinkpad_acpi: extend battery quirk coverage # platform/x86: touchscreen_dmi: Add info for the Cube KNote i1101 tablet # platform/x86: mlx-platform: Fix copy-paste error in mlxplat_init() # platform/x86: mlx-platform: Remove unused define # platform/x86: mlx-platform: Change mlxreg-io configuration for MSN274x systems # Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces # platform/x86: mlx-platform: Allow mlxreg-io driver activation for more systems # platform/x86: mlx-platform: Add ASIC hotplug device configuration # platform/mellanox: mlxreg-hotplug: Add hotplug hwmon uevent notification # platform/mellanox: mlxreg-hotplug: Improve mechanism of ASIC health discovery # platform/x86: mlx-platform: Add mlxreg-fan platform driver activation # platform/x86: dell-laptop: Fix backlight detection # platform/x86: toshiba_acpi: Fix defined but not used build warnings # platform/x86: thinkpad_acpi: Support battery quirk # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 899fbc33fd775b9dfa363db28f322272920a2196 # < make -s -j 8 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=0x23A9C449 # 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/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 yes: write error # make -s -j 8 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- /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_get_live': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_tryget_css': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'init_and_link_css': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'kill_css': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'css_killed_work_fn': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_kill_sb': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_extra_stat_show.constprop.16': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_get_e_css': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'put_css_set_locked': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'find_css_set': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_kn_unlock': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_do_mount': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0x12f: unreachable instruction /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c: In function 'emulate_vsyscall': /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c:209:16: warning: 'syscall_nr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/arch/x86/events/amd/ibs.c: In function 'perf_ibs_init': /kisskb/src/arch/x86/events/amd/ibs.c:306:11: warning: 'config' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/events/amd/ibs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_lock_and_drain_offline': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'css_free_rwork_fn': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_kn_lock_live': /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'css_tryget_online_from_dir': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_get_from_fd': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x116: unreachable instruction /kisskb/src/kernel/cgroup/freezer.c: In function 'freezer_change_state': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/freezer.c: In function 'freezer_read': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/freezer.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1245:9: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup-v1.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x57: unreachable instruction /kisskb/src/kernel/events/core.c: In function 'perf_event_alloc': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/rdma.c: In function 'rdmacg_uncharge_hierarchy': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/rdma.c: In function 'rdmacg_try_charge': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/rdma.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/kernel/events/core.c: In function '_free_event': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x46: unreachable instruction /kisskb/src/kernel/bpf/arraymap.c: In function 'cgroup_fd_array_put_ptr': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/bpf/arraymap.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/kernel/events/core.c: In function '_perf_ioctl': /kisskb/src/include/linux/file.h:42:2: warning: '*((void *)&output+8)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/events/core.c:5045:14: note: '*((void *)&output+8)' was declared here /kisskb/src/include/linux/file.h:43:7: warning: 'output.file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/events/core.c:5045:14: note: 'output.file' was declared here /kisskb/src/kernel/cgroup/cpuset.c: In function 'update_nodemasks_hier': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cpuset.c: In function 'update_cpumasks_hier': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here mm/mempool.o: warning: objtool: mempool_resize()+0x42: unreachable instruction /kisskb/src/kernel/cgroup/cpuset.c: In function 'cpuset_write_resmask': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x47: unreachable instruction /kisskb/src/kernel/cgroup/cpuset.c: In function 'cpuset_hotplug_workfn': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cpuset.c: In function 'proc_cpuset_show': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cpuset.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cgroup/cpuset.o: warning: objtool: cpuset_init()+0x3e: unreachable instruction /kisskb/src/kernel/events/core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x52: unreachable instruction /kisskb/src/mm/oom_kill.c: In function 'oom_kill_process.isra.23': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/oom_kill.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x206: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x4e: unreachable instruction /kisskb/src/fs/btrfs/ctree.c: In function 'push_nodes_for_insert': /kisskb/src/fs/btrfs/ctree.c:2113:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ctree.c: In function 'balance_level': /kisskb/src/fs/btrfs/ctree.c:1900:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x4a: unreachable instruction /kisskb/src/fs/btrfs/ctree.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x108: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x50: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0xa9: 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] arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x260: 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] security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x5c: unreachable instruction /kisskb/src/ipc/sem.c: In function 'find_alloc_undo': /kisskb/src/include/linux/compiler.h:215:31: warning: 'ulp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/sem.c:1868:24: note: 'ulp' was declared here /kisskb/src/ipc/sem.c: In function 'copy_semundo': /kisskb/src/ipc/sem.c:2255:15: warning: 'undo_list' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/sem.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] ipc/sem.o: warning: objtool: find_alloc_undo()+0x3b7: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x53: unreachable instruction /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1684:3: 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] arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x7b: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x1df: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x8a: unreachable instruction mm/shmem.o: warning: objtool: shmem_init()+0x43: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x21c: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x5a: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x4a: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x5f: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x197: 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] drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x9e: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.14()+0xc3: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x37a: unreachable instruction /kisskb/src/drivers/ata/libata-scsi.c: In function 'ata_scsi_scan_host': /kisskb/src/drivers/ata/libata-scsi.c:4622:3: warning: 'dev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/libata-scsi.c:4622:3: warning: 'last_failed_dev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/libata-scsi.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x3d: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0x143: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x3e3: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x39: unreachable instruction /kisskb/src/block/blk-core.c: In function 'blk_queue_enter': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-core.c: In function 'blk_queue_exit': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-core.c: In function 'generic_make_request': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-core.c: In function 'blk_account_io_done': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-core.c: In function 'blk_account_io_start': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-core.c: In function 'blk_queue_bio': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] block/blk-core.o: warning: objtool: blk_dequeue_request()+0x4e: unreachable instruction /kisskb/src/mm/memory.c: In function 'remap_pte_range': /kisskb/src/include/linux/spinlock.h:369:2: warning: 'ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1988:14: note: 'ptl' was declared here /kisskb/src/mm/memory.c: In function 'copy_pte_range': /kisskb/src/include/linux/spinlock.h:369:2: warning: 'dst_ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1076:24: note: 'dst_ptl' was declared here /kisskb/src/block/blk-sysfs.c: In function 'queue_wb_lat_store': /kisskb/src/block/blk-sysfs.c:453:7: warning: 'val' may be used uninitialized in this function [-Wuninitialized] fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0xe2: unreachable instruction /kisskb/src/mm/memory.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x55: unreachable instruction /kisskb/src/block/blk-sysfs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/btrfs/inode.c: In function 'run_delalloc_nocow': /kisskb/src/fs/btrfs/inode.c:1487:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1487:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1485:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x65: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xf1: unreachable instruction /kisskb/src/fs/btrfs/inode.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x95c: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x44: unreachable instruction /kisskb/src/block/blk-merge.c: In function '__blk_recalc_rq_segments': /kisskb/src/block/blk-merge.c:294:2: warning: 'bbio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c: In function 'blk_account_io_merge': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-merge.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x47: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x2f4: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x5a: unreachable instruction /kisskb/src/block/blk-mq.c: In function 'blk_mq_get_request': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-mq.c: In function 'blk_mq_timeout_work': /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here kernel/sched/core.o: warning: objtool: migrate_tasks()+0x202: unreachable instruction /kisskb/src/block/blk-mq.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()+0x5c: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x5e: unreachable instruction block/blk-mq-tag.o: warning: objtool: blk_mq_put_tag()+0x66: unreachable instruction /kisskb/src/drivers/base/regmap/regcache-rbtree.c: In function 'regcache_rbtree_write': /kisskb/src/drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x8e: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_noinc_read': /kisskb/src/drivers/base/regmap/regmap.c:2605:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_bulk_read': /kisskb/src/drivers/base/regmap/regmap.c:2715:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x4f: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:2: 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/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x93: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x11c: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x3a2: unreachable instruction /kisskb/src/fs/btrfs/extent_io.c: In function 'end_bio_extent_readpage': /kisskb/src/fs/btrfs/extent_io.c:2639:32: warning: 'tree' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memblock.c: In function '__next_mem_pfn_range': /kisskb/src/mm/memblock.c:1200:15: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/extent_io.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0x1a0: unreachable instruction /kisskb/src/mm/memblock.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/sched/rt.o: warning: objtool: dequeue_top_rt_rq()+0x4d: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x76: unreachable instruction /kisskb/src/mm/swapfile.c: In function 'page_trans_huge_map_swapcount': /kisskb/src/mm/swapfile.c:3778:1: warning: 'si' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/swapfile.c:1466:27: note: 'si' was declared here /kisskb/src/mm/swapfile.c: In function 'setup_swap_map_and_extents': /kisskb/src/mm/swapfile.c:3009:6: warning: 'nr_extents' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/swapfile.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/swapfile.o: warning: objtool: swap_count_continued()+0x7e: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x64: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.4()+0x132: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x90: unreachable instruction /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:2: warning: 'page' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x63: unsupported stack register modification /kisskb/src/mm/hugetlb.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x1ee: unreachable instruction /kisskb/src/fs/btrfs/ioctl.c: In function 'btrfs_extent_same': /kisskb/src/fs/btrfs/ioctl.c:3520:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ioctl.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x7e8: unreachable instruction /kisskb/src/drivers/block/loop.c: In function 'lo_rw_aio_complete': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/drivers/block/loop.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x9b: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x85: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x68: unreachable instruction /kisskb/src/mm/huge_memory.c: In function 'do_huge_pmd_wp_page': /kisskb/src/mm/huge_memory.c:1315:2: warning: 'huge_gfp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/huge_memory.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/huge_memory.o: warning: objtool: __split_huge_pmd_locked()+0x78c: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x40: unreachable instruction mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.41()+0x3d7: unreachable instruction /kisskb/src/fs/btrfs/tree-log.c: In function 'btrfs_log_prealloc_extents': /kisskb/src/fs/btrfs/tree-log.c:4293:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/tree-log.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_css_online': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'memcg_write_event_control': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'memcg_event_remove': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'drain_stock': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'drain_all_stock': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'cancel_charge': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function '__mem_cgroup_largest_soft_limit_node': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_oom': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'try_charge': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_id_put_many': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function '__mem_cgroup_clear_mc': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction /kisskb/src/mm/memcontrol.c: In function 'get_mem_cgroup_from_mm': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'get_mem_cgroup_from_page': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_iter': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'uncharge_batch': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/drivers/char/tpm/tpm-interface.c: In function 'tpm1_pcr_extend': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c:1011:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm-interface.c: In function 'tpm_startup': /kisskb/src/drivers/char/tpm/tpm.h:485:8: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c:694:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm-interface.c: In function 'tpm_getcap': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c:735:17: note: 'buf.data' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_iter_break': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'task_in_mem_cgroup': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/drivers/char/tpm/tpm-interface.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_oom_synchronize': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_get_oom_group': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/fs/btrfs/free-space-cache.c: In function 'btrfs_bitmap_cluster': /kisskb/src/fs/btrfs/free-space-cache.c:2840:5: warning: 'next_zero' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_handle_over_high': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_soft_limit_reclaim': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_try_charge': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_migrate': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_sk_alloc': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_sk_free': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here crypto/drbg.o: warning: objtool: drbg_seed()+0x110: unreachable instruction /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_swapout': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memcontrol.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6c: unreachable instruction /kisskb/src/fs/btrfs/free-space-cache.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /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] kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x7a: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_do_selftest': /kisskb/src/drivers/char/tpm/tpm.h:476:2: warning: 'buf.flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:790:17: note: 'buf.flags' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c:800:24: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_pcr_allocation': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:858:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_pcr_read': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:189:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_pcr_extend': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:239:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_random': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:321:25: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_flush_context_cmd': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:373:2: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_seal_trusted': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:461:20: warning: 'hash' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_tpm_pt': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:705:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_cc_attrs_tbl': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:921:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_shutdown': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:737:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_probe': /kisskb/src/drivers/char/tpm/tpm.h:458:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:828:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0xa4: unreachable instruction /kisskb/src/drivers/char/random.c: In function 'extract_buf': /kisskb/src/drivers/char/random.c:1437:13: warning: 'v' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x264: unreachable instruction /kisskb/src/drivers/char/random.c: In function 'write_pool.constprop.22': /kisskb/src/drivers/char/random.c:1932:11: warning: 't' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function 'crng_reseed': /kisskb/src/drivers/char/random.c:943:20: warning: 'rv' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function '_extract_crng.constprop.25': /kisskb/src/drivers/char/random.c:981:19: warning: 'v' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function 'crng_initialize.constprop.24': /kisskb/src/drivers/char/random.c:800:18: warning: 'rv' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function 'get_random_u64': /kisskb/src/drivers/char/random.c:2224:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function 'get_random_u32': /kisskb/src/drivers/char/random.c:2260:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x5f: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-space.c: In function 'tpm2_load_context': /kisskb/src/drivers/char/tpm/tpm2-space.c:86:23: warning: 'tbuf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-space.c: In function 'tpm2_save_context.constprop.7': /kisskb/src/drivers/char/tpm/tpm2-space.c:135:23: warning: 'tbuf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-space.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/trace/trace_functions_graph.o: warning: objtool: ftrace_pop_return_trace.isra.8()+0x21: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x55: unreachable instruction /kisskb/src/drivers/char/tpm/tpm_vtpm_proxy.c: In function 'vtpm_proxy_request_locality': /kisskb/src/drivers/char/tpm/tpm_vtpm_proxy.c:420:23: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm_vtpm_proxy.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c: In function 'add_data': /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c:358:10: warning: 'pc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c:361:17: warning: 'code' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x68: unreachable instruction fs/debugfs/file.o: warning: objtool: full_proxy_open()+0x15a: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x1b5: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x84: unreachable instruction /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:330:5: 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] kernel/cpu.o: warning: objtool: takedown_cpu()+0xd0: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x48: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0xba: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x57: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x4a: 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] lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x3c7: unreachable instruction /kisskb/src/fs/btrfs/send.c: In function 'get_first_ref': /kisskb/src/fs/btrfs/send.c:1752:2: warning: 'found_key.type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/send.c:1781:7: warning: 'found_key.offset' may be used uninitialized in this function [-Wuninitialized] fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x10f: unreachable instruction /kisskb/src/fs/btrfs/send.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/send.o: warning: objtool: read_symlink()+0x129: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x43: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x86: unreachable instruction fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0x122: unreachable instruction /kisskb/src/fs/ext4/extents.c: In function 'ext4_ext_convert_to_initialized': /kisskb/src/fs/ext4/extents.c:3556:21: warning: 'abut_ex' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x6b: unreachable instruction /kisskb/src/fs/btrfs/uuid-tree.c: In function 'btrfs_uuid_tree_add': /kisskb/src/fs/btrfs/uuid-tree.c:139:21: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c:140:25: warning: 'eb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/file.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/ext4/extents.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x64: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+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] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_inplace': /kisskb/src/drivers/dma-buf/reservation.c:142:3: warning: 'signaled_idx' 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] fs/f2fs/inode.o: warning: objtool: f2fs_inode_chksum()+0x309: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x8c: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xb7: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0xa3: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x51: unreachable instruction /kisskb/src/drivers/firmware/qemu_fw_cfg.c: In function 'fw_cfg_build_symlink': /kisskb/src/drivers/firmware/qemu_fw_cfg.c:495:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/firmware/qemu_fw_cfg.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0x1f4: unreachable instruction /kisskb/src/fs/ext4/ialloc.c: In function 'ext4_orphan_get': /kisskb/src/include/asm-generic/bitops/le.h:55:9: warning: 'bit' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/ialloc.c:1207:6: note: 'bit' was declared here /kisskb/src/fs/ext4/ialloc.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x1338: unreachable instruction /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.4': /kisskb/src/fs/btrfs/ref-verify.c:503:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_leaf.isra.5': /kisskb/src/fs/btrfs/ref-verify.c:552:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/cred.o: warning: objtool: __put_cred()+0x3d: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x1f4: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x208: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0xe0: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x2aa: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x83: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x9e: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x52: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x7a: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: get_checkpoint_version()+0x278: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x5f: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x103: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x49: unreachable instruction fs/ext4/inode.o: warning: objtool: ext4_journalled_zero_new_buffers()+0x54: unreachable instruction /kisskb/src/fs/f2fs/data.c: In function 'f2fs_xattr_fiemap': /kisskb/src/fs/f2fs/data.c:1350:7: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/data.c:1350:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/percpu-refcount.c: In function '__percpu_ref_switch_to_atomic': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: In function 'percpu_ref_call_confirm_rcu': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: In function 'percpu_ref_kill_and_confirm': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: In function 'percpu_ref_reinit': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:238:24: note: 'head' was declared here /kisskb/src/kernel/kexec_file.c: In function 'kexec_apply_relocations': /kisskb/src/kernel/kexec_file.c:896:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c: In function '__flush_nat_entry_set': /kisskb/src/fs/f2fs/node.c:2749:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/kexec_file.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/kexec_file.o: warning: objtool: kexec_image_load_default()+0x3c: unsupported stack register modification /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:265:2: 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/fs/f2fs/data.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /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()+0x4d4: unreachable instruction drivers/gpu/drm/selftests/test-drm_mm.o: warning: objtool: __igt_reserve()+0xad: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x4e: unreachable instruction /kisskb/src/fs/isofs/namei.c: In function 'isofs_find_entry': /kisskb/src/fs/isofs/namei.c:136:23: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/isofs/namei.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/lib/assoc_array.c: In function 'assoc_array_insert_into_terminal_node': /kisskb/src/lib/assoc_array.c:645:2: warning: 'j' may be used uninitialized in this function [-Wuninitialized] fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x57: unreachable instruction /kisskb/src/lib/assoc_array.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x91: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x92: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x59: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0xa9: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0x2df: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0x1b1: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_setup_commit': /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1929:26: warning: 'new_crtc_state' may be used uninitialized in this function [-Wuninitialized] fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0x142: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x159: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0x1f8: unreachable instruction /kisskb/src/drivers/hid/hid-kye.c: In function 'kye_tablet_enable': /kisskb/src/include/linux/hid.h:1048:34: warning: 'report' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-kye.c:592:21: note: 'report' was declared here /kisskb/src/drivers/hid/hid-kye.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x70: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x130: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x46: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x55: unreachable instruction fs/jfs/namei.o: warning: objtool: jfs_rename()+0x4cd: unreachable instruction /kisskb/src/drivers/hid/hid-logitech-hidpp.c: In function 'hidpp_get_device_name': /kisskb/src/drivers/hid/hid-logitech-hidpp.c:868:15: warning: '__name_length' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-logitech-hidpp.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/jbd2/journal.o: warning: objtool: get_slab()+0x53: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x49: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtUpdate()+0xa02: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_bufs.c: In function 'drm_legacy_rmmap_locked': /kisskb/src/drivers/gpu/drm/drm_bufs.c:526:4: warning: 'master' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_bufs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/kobject.o: warning: objtool: create_dir()+0xd9: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x6e3: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_superblock_csum()+0x4e: unreachable instruction fs/jfs/jfs_dmap.o: warning: objtool: dbFindBits()+0x2f: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x49: unreachable instruction /kisskb/src/drivers/hwmon/applesmc.c: In function 'applesmc_init_smcreg_try': /kisskb/src/drivers/hwmon/applesmc.c:552:2: warning: 'count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hwmon/applesmc.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x52: unreachable instruction /kisskb/src/drivers/hid/hid-picolcd_debugfs.c: In function 'picolcd_debug_flash_write': /kisskb/src/drivers/hid/hid-picolcd_debugfs.c:312:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_dtree.o: warning: objtool: add_index()+0x4e: unreachable instruction /kisskb/src/drivers/hid/hid-picolcd_debugfs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ext4/xattr.o: warning: objtool: ext4_xattr_inode_hash()+0x58: unreachable instruction /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/ide/ide-io.o: warning: objtool: start_request()+0x47: 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/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x47: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x44: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x26b: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x37: unreachable instruction drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x56: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'add_cea_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3747:30: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'add_alternate_cea_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3146:3: warning: 'clock2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x5d: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x4a: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x1df: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x7f: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'prepare_signaling': /kisskb/src/drivers/gpu/drm/drm_atomic.c:2424:14: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check': /kisskb/src/drivers/gpu/drm/drm_atomic.c:760:2: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xe0: unreachable instruction /kisskb/src/fs/notify/group.c: In function 'fsnotify_final_destroy_group': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/notify/group.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x8b: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x61: can't find jump dest instruction at .text+0x2ac fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0xcb: unreachable instruction /kisskb/src/fs/ntfs/dir.c: In function 'ntfs_readdir': /kisskb/src/fs/ntfs/dir.c:1430:7: warning: 'bmp_vi' may be used uninitialized in this function [-Wuninitialized] fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x4c: unreachable instruction /kisskb/src/fs/ntfs/dir.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x71: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x71: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x41: 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 fs/ntfs/mft.o: warning: objtool: unmap_mft_record()+0x44: unreachable instruction /kisskb/src/fs/proc/inode.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0xb2: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_runlists_merge()+0x694: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x27e: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x8d: unreachable instruction /kisskb/src/fs/reiserfs/bitmap.c: In function 'scan_bitmap_block.constprop.10': /kisskb/src/fs/reiserfs/bitmap.c:269:9: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/reiserfs/bitmap.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x187: unreachable instruction /kisskb/src/drivers/iio/light/apds9960.c: In function 'apds9960_write_event': /kisskb/src/drivers/iio/light/apds9960.c:671:26: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/apds9960.c: In function 'apds9960_read_event': /kisskb/src/drivers/iio/light/apds9960.c:630:25: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/apds9960.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c: In function 'st_lsm6dsx_init_device': /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c:750:8: warning: 'drdy_int_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x110: unreachable instruction /kisskb/src/drivers/iio/light/isl29018.c: In function 'isl29018_set_integration_time': /kisskb/src/drivers/iio/light/isl29018.c:128:16: warning: 'new_int_time' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/isl29018.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x98: unreachable instruction /kisskb/src/drivers/leds/leds-pca955x.c: In function 'pca955x_led_set': /kisskb/src/drivers/leds/leds-pca955x.c:164:2: warning: 'ls' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-pca955x.c:250:5: note: 'ls' was declared here /kisskb/src/drivers/leds/leds-pca955x.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/iio/light/lv0104cs.c: In function 'lv0104cs_set_calibscale': /kisskb/src/drivers/iio/light/lv0104cs.c:313:23: warning: 'index' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/lv0104cs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/memstick/core/mspro_block.o: warning: objtool: h_mspro_block_transfer_data()+0x261: unreachable instruction /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c: In function 'vb2_thread': /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c:2550:3: warning: 'vb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/leds/leds-max8997.c: In function 'max8997_led_set_mode': /kisskb/src/drivers/leds/leds-max8997.c:91:27: warning: 'val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-max8997.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x104: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x79: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x47: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x66: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x76: unreachable instruction drivers/mtd/chips/cfi_cmdset_0020.o: warning: objtool: cfi_staa_read()+0xa14: unreachable instruction /kisskb/src/drivers/iio/proximity/isl29501.c: In function 'isl29501_register_write': /kisskb/src/drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/proximity/isl29501.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0xf8: unreachable instruction drivers/mtd/chips/cfi_cmdset_0002.o: warning: objtool: do_panic_write_oneword()+0x10e: unreachable instruction drivers/mtd/chips/cfi_cmdset_0001.o: warning: objtool: inval_cache_and_wait_for_operation()+0x2a8: unreachable instruction /kisskb/src/drivers/iio/proximity/srf08.c: In function 'srf08_write_sensitivity': /kisskb/src/drivers/iio/proximity/srf08.c:370:33: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/da903x.c: In function 'da903x_set_bits': /kisskb/src/drivers/mfd/da903x.c:186:11: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/da903x.c: In function 'da903x_clr_bits': /kisskb/src/drivers/mfd/da903x.c:208:11: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/da903x.c: In function 'da903x_update': /kisskb/src/drivers/mfd/da903x.c:230:11: warning: 'reg_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/da903x.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/iio/proximity/srf08.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mmc/host/wbsd.o: warning: objtool: wbsd_chip_poweroff()+0x3f: unreachable instruction /kisskb/src/drivers/mtd/devices/phram.c: In function 'phram_setup': /kisskb/src/drivers/mtd/devices/phram.c:257:8: warning: 'name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/devices/phram.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mmc/host/android-goldfish.o: warning: objtool: goldfish_mmc_remove()+0x4d: unreachable instruction drivers/mtd/lpddr/qinfo_probe.o: warning: objtool: lpddr_info_query()+0x41d: unreachable instruction drivers/mtd/lpddr/lpddr_cmds.o: warning: objtool: wait_for_ready()+0x125: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x4f8: unreachable instruction /kisskb/src/drivers/mtd/nand/raw/nand_base.c: In function 'nand_match_ecc_req': /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6277:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6276:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6275:17: warning: 'best_step' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x79: unreachable instruction /kisskb/src/drivers/mtd/nand/raw/nand_base.c: In function 'nand_maximize_ecc': /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6347:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6346:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvdimm/dimm_devs.c: In function 'alias_dpa_busy': /kisskb/src/drivers/nvdimm/dimm_devs.c:499:43: warning: 'nd_mapping' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvdimm/dimm_devs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/mtd/nand/raw/nand_base.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x9d: unreachable instruction /kisskb/src/drivers/nvdimm/region_devs.c: In function 'nd_region_create.isra.8': /kisskb/src/drivers/nvdimm/region_devs.c:1009:26: warning: 'nd_region' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvdimm/region_devs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/namei.o: warning: objtool: unlazy_walk()+0x44: unreachable instruction /kisskb/src/drivers/media/i2c/max2175.c: In function 'max2175_set_freq_and_mode': /kisskb/src/drivers/media/i2c/max2175.c:1095:21: warning: 'rx_mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/i2c/max2175.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/nvdimm/btt.c: In function 'btt_log_init': /kisskb/src/drivers/nvdimm/btt.c:464:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvdimm/btt.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/dcache.c: In function 'd_add': /kisskb/src/fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2564:11: note: 'n' was declared here /kisskb/src/fs/dcache.c: In function '__d_move': /kisskb/src/fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2729:11: note: 'n' was declared here /kisskb/src/fs/dcache.c: In function 'd_splice_alias': /kisskb/src/fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2564:11: note: 'n' was declared here fs/inode.o: warning: objtool: clear_inode()+0x53: unreachable instruction /kisskb/src/drivers/media/rc/rc-main.c: In function 'parse_protocol_change.isra.11': /kisskb/src/drivers/media/rc/rc-main.c:1155:15: warning: 'mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/dcache.o: warning: objtool: d_instantiate_new()+0x47: unreachable instruction /kisskb/src/drivers/media/rc/rc-main.c: In function 'store_wakeup_protocols': /kisskb/src/drivers/media/rc/rc-main.c:1518:20: warning: 'protocol' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/rc/rc-main.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/ubi/eba.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/file.o: warning: objtool: __fd_install()+0x135: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x1fc: unreachable instruction fs/seq_file.o: warning: objtool: seq_escape()+0x5a: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x18b: unreachable instruction /kisskb/src/fs/buffer.c: In function 'alloc_page_buffers': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/mpage.o: warning: objtool: __mpage_writepage()+0xf9: unreachable instruction /kisskb/src/drivers/media/tuners/max2165.c: In function 'max2165_set_rf': /kisskb/src/drivers/media/tuners/max2165.c:202:11: warning: 'fraction' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/max2165.c:204:19: warning: 'quotient' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/max2165.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/direct-io.o: warning: objtool: do_direct_IO()+0x29c: unreachable instruction /kisskb/src/fs/buffer.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/buffer.o: warning: objtool: cont_expand_zero()+0x22d: unreachable instruction /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: In function 'get_v4l2_buffer32': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:643:8: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:583:6: warning: 'length' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: In function 'put_v4l2_buffer32': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:727:8: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: In function 'get_v4l2_ext_controls32': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:930:2: warning: 'count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/userfaultfd.c: In function 'userfaultfd_register': /kisskb/src/fs/userfaultfd.c:1466:3: warning: 'basic_ioctls' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/userfaultfd.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x3ef: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.25()+0xb5: unreachable instruction /kisskb/src/drivers/power/supply/da9052-battery.c: In function 'da9052_bat_read_capacity': /kisskb/src/drivers/power/supply/da9052-battery.c:325:6: warning: 'level_lower' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:364:6: note: 'level_lower' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c:324:22: warning: 'level_upper' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:363:6: note: 'level_upper' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c:324:59: warning: 'vbat_upper' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:362:6: note: 'vbat_upper' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c:325:37: warning: 'vbat_lower' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:361:6: note: 'vbat_lower' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_ex_discover_expander()+0x136: unreachable instruction /kisskb/src/drivers/power/supply/bq24190_charger.c: In function 'bq24190_charger_set_charge_type.isra.14': /kisskb/src/drivers/power/supply/bq24190_charger.c:801:27: warning: 'en_term' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/bq24190_charger.c:794:27: warning: 'force_20pct' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/bq24190_charger.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/target/target_core_device.c: In function 'transport_lookup_tmr_lun': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/drivers/target/target_core_device.c: In function 'transport_lookup_cmd_lun': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/drivers/target/target_core_device.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/staging/comedi/drivers/pcl816.c: In function 'pcl816_ai_cmd': /kisskb/src/drivers/staging/comedi/drivers/pcl816.c:148:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/pcl816.c:157:15: note: 'last_chan' was declared here /kisskb/src/drivers/staging/comedi/drivers/pcl816.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x2b5: unreachable instruction /kisskb/src/drivers/staging/comedi/drivers/pcl818.c: In function 'pcl818_ai_cmd': /kisskb/src/drivers/staging/comedi/drivers/pcl818.c:337:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/pcl818.c:347:15: note: 'last_chan' was declared here /kisskb/src/drivers/staging/comedi/drivers/pcl818.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/target/target_core_pr.c: In function '__core_scsi3_alloc_registration': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/drivers/scsi/constants.c: In function 'scsi_opcode_sa_name': /kisskb/src/drivers/scsi/constants.c:288:2: warning: 'arr_sz' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/constants.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/target/target_core_pr.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0xbd: unreachable instruction /kisskb/src/drivers/staging/greybus/manifest.c: In function 'gb_string_get': /kisskb/src/drivers/staging/greybus/manifest.c:214:20: warning: 'desc_string' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/target/target_core_alua.c: In function 'core_alua_queue_state_change_ua': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/drivers/staging/greybus/manifest.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/target/target_core_alua.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/staging/greybus/interface.c: In function 'gb_interface_activate': /kisskb/src/drivers/staging/greybus/interface.c:1024:4: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/interface.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/thermal/x86_pkg_temp_thermal.c: In function 'pkg_temp_thermal_device_add': /kisskb/src/drivers/thermal/x86_pkg_temp_thermal.c:381:17: warning: 'tj_max' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/thermal/x86_pkg_temp_thermal.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/target/target_core_transport.c: In function 'transport_lun_remove_cmd': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/drivers/staging/comedi/drivers/dt282x.c: In function 'dt282x_ns_to_timer': /kisskb/src/drivers/staging/comedi/drivers/dt282x.c:389:2: warning: 'divider' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/dt282x.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/target/target_core_transport.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x70: unreachable instruction /kisskb/src/drivers/staging/greybus/svc.c: In function 'gb_svc_pwrmon_debugfs_init': /kisskb/src/drivers/staging/greybus/svc.c:785:29: warning: 'rail_count' 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: 'ret_val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/svc.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /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/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_link_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:206:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/tps6586x-regulator.c: In function 'find_regulator_info': /kisskb/src/drivers/regulator/tps6586x-regulator.c:362:3: warning: 'num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/tps6586x-regulator.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/tty/serial/8250/8250_core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x89: unreachable instruction /kisskb/src/drivers/regulator/wm8350-regulator.c: In function 'wm8350_isink_set_current': /kisskb/src/drivers/regulator/wm8350-regulator.c:133:19: warning: 'setting' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/bootrom.c: In function 'gb_bootrom_get_firmware': /kisskb/src/drivers/staging/greybus/bootrom.c:300:2: warning: 'size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/bootrom.c:300:2: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/bootrom.c:300:2: warning: 'fw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/wm8350-regulator.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/staging/greybus/bootrom.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] In file included from /kisskb/src/drivers/staging/comedi/drivers/ni_atmio.c:208:0: /kisskb/src/drivers/staging/comedi/drivers/ni_mio_common.c: In function 'ni_mseries_set_pll_master_clock': /kisskb/src/drivers/staging/comedi/drivers/ni_mio_common.c:4893:8: warning: 'freq_multiplier' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_mio_common.c:4892:22: warning: 'freq_divider' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_atmio.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_660x_clk_src': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:658:10: warning: 'ni_660x_clock' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_m_clk_src': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:715:10: warning: 'ni_m_series_clock' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_m_gate_to_generic_gate': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:1166:7: warning: 'source' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_660x_gate_to_generic_gate': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:1113:7: warning: 'source' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_660x_gate2_to_generic_gate': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:1213:7: warning: 'source' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_660x_set_gate2': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:945:34: warning: 'gate2_sel' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_m_set_gate': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:900:22: warning: 'gate_sel' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: In function 'ni_660x_set_gate': /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c:858:22: warning: 'gate_sel' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/ni_tio.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x2b0: unreachable instruction /kisskb/src/drivers/scsi/osst.c: In function '__os_scsi_tape_open': /kisskb/src/drivers/scsi/osst.c:4616:2: warning: 'STp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/osst.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/scsi/sg.c: In function 'sg_read': /kisskb/src/include/linux/compiler.h:188:2: warning: 'sdp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/sg.c:416:13: note: 'sdp' was declared here /kisskb/src/drivers/scsi/sg.c: In function 'sg_ioctl': /kisskb/src/drivers/scsi/sg.c:1141:50: warning: 'sdp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/sg.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/video/fbdev/goldfishfb.o: warning: objtool: goldfish_fb_probe()+0x276: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:03:13.908812
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