# git rev-parse -q --verify a2dc009afa9ae8b92305be7728676562a104cb40^{commit} a2dc009afa9ae8b92305be7728676562a104cb40 already have revision, skipping fetch # git checkout -q -f -B kisskb a2dc009afa9ae8b92305be7728676562a104cb40 # git clean -qxdf # < git log -1 # commit a2dc009afa9ae8b92305be7728676562a104cb40 # Author: Aneesh Kumar K.V # Date: Mon Aug 13 11:14:57 2018 +0530 # # powerpc/mm/book3s/radix: Add mapping statistics # # Add statistics that show how memory is mapped within the kernel linear mapping. # This is similar to commit 37cd944c8d8f ("s390/pgtable: add mapping statistics") # # We don't do this with Hash translation mode. Hash uses one size (mmu_linear_psize) # to map the kernel linear mapping and we print the linear psize during boot as # below. # # "Page orders: linear mapping = 24, virtual = 16, io = 16, vmemmap = 24" # # A sample output looks like: # # DirectMap4k: 0 kB # DirectMap64k: 18432 kB # DirectMap2M: 1030144 kB # DirectMap1G: 11534336 kB # # Signed-off-by: Aneesh Kumar K.V # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 a2dc009afa9ae8b92305be7728676562a104cb40 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0xF520A0ED # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=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_LD_HEAD_STUB_CATCH=y # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- olddefconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/kernel/cacheinfo.c: In function 'associativity_show': /kisskb/src/arch/powerpc/kernel/cacheinfo.c:598:16: warning: 'associativity' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/kernel/cacheinfo.c: In function 'size_show': /kisskb/src/arch/powerpc/kernel/cacheinfo.c:549:16: warning: 'size_kb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/common.c: In function 'xive_scan_interrupts': /kisskb/src/arch/powerpc/sysdev/xive/common.c:181:2: warning: 'prio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_esb_rw': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:321:16: warning: 'read_data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_setup_queue': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:432:14: warning: 'esn_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:405:16: note: 'esn_page' was declared here /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_populate_irq_data': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:359:18: warning: 'esb_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:360:18: warning: 'trig_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:368:26: warning: 'eoi_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:354:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/perf/core-book3s.c: In function 'power_pmu_event_init': /kisskb/src/arch/powerpc/perf/core-book3s.c:1855:3: warning: 'ev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_init': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:727:2: warning: 'max_prio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/crypto/async_tx/async_tx.c: In function 'async_trigger_callback': /kisskb/src/crypto/async_tx/async_tx.c:258:18: warning: 'chan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/autofs/waitq.c: In function 'autofs_wait': /kisskb/src/fs/autofs/waitq.c:471:3: warning: 'wq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/arch/powerpc/platforms/pseries/pci.c: In function 'pseries_root_bridge_prepare': /kisskb/src/arch/powerpc/platforms/pseries/pci.c:309:2: warning: 'rc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/platforms/pseries/msi.c: In function 'msi_quota_for_device': /kisskb/src/arch/powerpc/platforms/pseries/msi.c:320:24: warning: 'total' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/android/binder_alloc.c: In function 'binder_alloc_new_buf': /kisskb/src/drivers/android/binder_alloc.c:437:37: warning: 'buffer_size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/android/binder_alloc.c:339:9: note: 'buffer_size' was declared here /kisskb/src/drivers/android/binder_alloc.c:437:30: warning: 'buffer' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/android/binder_alloc.c:338:24: note: 'buffer' was declared here /kisskb/src/ipc/sem.c: In function 'do_semtimedop': /kisskb/src/include/linux/compiler.h:215:31: warning: 'ulp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/sem.c:1861:24: note: 'ulp' was declared here /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/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:2: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/sem.c: In function 'copy_semundo': /kisskb/src/ipc/sem.c:2248:15: warning: 'undo_list' may be used uninitialized in this function [-Wuninitialized] /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/events/core.c: In function '_perf_ioctl': /kisskb/src/include/linux/file.h:39:2: warning: 'output.flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/events/core.c:5045:14: note: 'output.flags' was declared here /kisskb/src/include/linux/file.h:40:7: 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/drivers/ata/libata-core.c: In function 'ata_hpa_resize': /kisskb/src/drivers/ata/libata-core.c:1289:13: warning: 'native_sectors' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/libata-core.c:1346:6: note: 'native_sectors' was declared here /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1647:3: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/platforms/powernv/ocxl.c: In function 'pnv_ocxl_fixup_actag': /kisskb/src/arch/powerpc/platforms/powernv/ocxl.c:204:49: warning: 'actag' may be used uninitialized in this function [-Wuninitialized] /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/block/blk-sysfs.c: In function 'queue_wb_lat_store': /kisskb/src/block/blk-sysfs.c:455:21: warning: 'val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memblock.c: In function '__next_mem_pfn_range': /kisskb/src/mm/memblock.c:1107:15: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c: In function 'copy_page_range': /kisskb/src/arch/powerpc/include/asm/spinlock.h:173:14: warning: 'dst_ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1064:24: note: 'dst_ptl' was declared here /kisskb/src/fs/btrfs/ctree.c: In function 'push_nodes_for_insert': /kisskb/src/fs/btrfs/ctree.c:2117:24: 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:1904:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c: In function 'remap_pfn_range': /kisskb/src/arch/powerpc/include/asm/spinlock.h:173:14: warning: 'ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1984:14: note: 'ptl' was declared here /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/lib/percpu-refcount.c: In function 'percpu_ref_switch_to_atomic_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/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/lib/percpu-refcount.c: In function '__percpu_ref_switch_mode': /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_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/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/mm/swapfile.c: In function '__se_sys_swapon': /kisskb/src/mm/swapfile.c:3230:2: warning: 'nr_extents' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/swapfile.c:3012:6: note: 'nr_extents' was declared here /kisskb/src/mm/ksm.c: In function '__stable_node_chain': /kisskb/src/mm/ksm.c:1395:4: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c:1367:6: note: 'found_rmap_hlist_len' was declared here /kisskb/src/mm/ksm.c: In function 'ksm_do_scan': /kisskb/src/mm/ksm.c:1893:16: warning: 'stable_node' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c:1808:22: note: 'stable_node' 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/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:234:28: note: 'next' was declared here /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/drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/drivers/ata/ahci_qoriq.c:132:3: warning: 'px_is' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c:128:3: warning: 'px_cmd' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/test_firmware.c: In function 'trigger_batched_requests_async_store': /kisskb/src/lib/test_firmware.c:781:31: warning: 'rc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c: In function 'attempt_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-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 /kisskb/src/lib/assoc_array.c: In function 'assoc_array_insert': /kisskb/src/lib/assoc_array.c:645:2: warning: 'j' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/assoc_array.c:490:37: note: 'j' was declared here /kisskb/src/lib/asn1_decoder.c: In function 'asn1_ber_decoder': /kisskb/src/lib/asn1_decoder.c:515:2: warning: 'errmsg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: 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:2638:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/kobject_uevent.c: In function 'kobject_synth_uevent': /kisskb/src/lib/kobject_uevent.c:222:39: warning: 'env' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/kobject_uevent.c:141:7: warning: 'action_args' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/kobject_uevent.c:196:14: note: 'action_args' was declared here /kisskb/src/lib/kobject_uevent.c:222:4: warning: 'action' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c: In function 'run_delalloc_nocow': /kisskb/src/fs/btrfs/inode.c:1492:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1492:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1490:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/extent_io.c: In function 'end_bio_extent_readpage': /kisskb/src/fs/btrfs/extent_io.c:2653:32: warning: 'tree' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/xillybus/xillybus_core.c: In function 'xillybus_endpoint_discovery': /kisskb/src/drivers/char/xillybus/xillybus_core.c:2027:5: warning: 'idt_handle.entries' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/xillybus/xillybus_core.c:2027:5: warning: 'idt_handle.chandesc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c: In function 'regcache_rbtree_write': /kisskb/src/drivers/base/regmap/regcache-rbtree.c:288:20: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:403:30: note: 'new_top_reg' was declared here /kisskb/src/drivers/base/regmap/regcache-rbtree.c:289:13: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:403:16: note: 'new_base_reg' was declared here /kisskb/src/fs/btrfs/free-space-cache.c: In function 'setup_cluster_bitmap': /kisskb/src/fs/btrfs/free-space-cache.c:2847:5: warning: 'next_zero' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/free-space-cache.c:2793:16: note: 'next_zero' was declared here /kisskb/src/fs/btrfs/free-space-cache.c: In function '__load_free_space_cache': /kisskb/src/fs/btrfs/free-space-cache.c:749:3: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/backref.c: In function 'tree_backref_for_extent': /kisskb/src/fs/btrfs/backref.c:1830:3: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:210:7: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:160:17: note: 'k' was declared here /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:108:9: note: 'signaled_idx' was declared here /kisskb/src/fs/btrfs/tree-log.c: In function 'btrfs_log_changed_extents': /kisskb/src/fs/btrfs/tree-log.c:4357:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/tree-log.c:4338:6: note: 'start_slot' was declared here /kisskb/src/fs/fat/namei_vfat.c: In function 'vfat_add_entry': /kisskb/src/fs/fat/namei_vfat.c:643:12: warning: 'lcase' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/fat/namei_vfat.c:587:23: note: 'lcase' was declared here /kisskb/src/fs/fat/namei_vfat.c:225:2: warning: 'ulen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/fat/namei_vfat.c:592:11: note: 'ulen' was declared here /kisskb/src/kernel/trace/trace_events.c: In function 'event_enable_read': /kisskb/src/kernel/trace/trace_events.c:1051:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events.c: In function 'trace_event_eval_update': /kisskb/src/kernel/trace/trace_events.c:2240:4: warning: 'last_i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex_compat.c: In function 'compat_exit_robust_list': /kisskb/src/kernel/futex_compat.c:117:21: warning: 'pip' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex_compat.c:114:2: warning: 'pending' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex_compat.c:95:3: warning: 'entry' may be used uninitialized in this function [-Wuninitialized] /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/ioctl.c: In function 'btrfs_dedupe_file_range': /kisskb/src/fs/btrfs/ioctl.c:3620:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events_filter.c: In function 'process_preds': /kisskb/src/kernel/trace/trace_events_filter.c:438:11: warning: 'nr_preds' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events_filter.c:1495:6: note: 'nr_preds' was declared here /kisskb/src/kernel/trace/trace_events_filter.c:467:4: warning: 'nr_parens' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events_filter.c:1494:6: note: 'nr_parens' was declared here /kisskb/src/kernel/kexec.c: In function 'do_kexec_load': /kisskb/src/kernel/kexec.c:143:6: warning: 'image' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/send.c: In function 'get_first_ref': /kisskb/src/fs/btrfs/send.c:1751:2: warning: 'found_key.type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/send.c:1780:7: warning: 'found_key.offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'btrfs_build_ref_tree': /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:514:35: note: 'ret' was declared here /kisskb/src/kernel/futex.c: In function 'exit_robust_list': /kisskb/src/kernel/futex.c:3493:21: warning: 'pip' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:3492:2: warning: 'pending' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:3475:3: warning: 'entry' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1604:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:1569:6: note: 'oldval' was declared here /kisskb/src/fs/ext4/extents.c: In function 'ext4_ext_handle_unwritten_extents': /kisskb/src/fs/ext4/extents.c:3550:21: warning: 'abut_ex' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/extents.c:3406:27: note: 'abut_ex' was declared here /kisskb/src/fs/ext4/ialloc.c: In function 'ext4_orphan_get': /kisskb/src/fs/ext4/ialloc.c:1241:9: warning: 'bit' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/vga/vgaarb.c: In function 'vga_arb_write': /kisskb/src/drivers/gpu/vga/vgaarb.c:1201:4: warning: 'devfn' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/usbhid/hid-core.c: In function 'usbhid_start': /kisskb/src/drivers/hid/usbhid/hid-core.c:823:16: warning: 'field' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/usbhid/hid-core.c:819:20: note: 'field' was declared here /kisskb/src/fs/proc/task_mmu.c: In function 'show_smap.isra.27': /kisskb/src/fs/proc/task_mmu.c:800:9: warning: 'last_vma' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/mouse/cyapa.c: In function 'cyapa_irq': /kisskb/src/drivers/input/mouse/cyapa.c:717:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c: In function 'st_lsm6dsx_probe': /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:728:5: note: 'drdy_int_reg' was declared here /kisskb/src/drivers/iio/accel/mma9551_core.c: In function 'mma9551_gpio_config': /kisskb/src/drivers/iio/accel/mma9551_core.c:590:6: warning: 'pol_mask' may be used uninitialized in this function [-Wuninitialized] /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:339:21: note: 'pdeo' was declared here /kisskb/src/drivers/iio/accel/mma9551.c: In function 'mma9551_event_handler': /kisskb/src/drivers/iio/accel/mma9551.c:381:6: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/mouse/cyapa_gen3.c: In function 'cyapa_gen3_set_power_mode': /kisskb/src/drivers/input/mouse/cyapa_gen3.c:927:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/ttm/ttm_bo.c: In function 'ttm_bo_evict': /kisskb/src/drivers/gpu/drm/ttm/ttm_bo.c:84:2: warning: 'mem_type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/ttm/ttm_bo.c:91:14: note: 'mem_type' was declared here /kisskb/src/drivers/iio/potentiostat/lmp91000.c: In function 'lmp91000_probe': /kisskb/src/drivers/iio/potentiostat/lmp91000.c:245:8: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/potentiostat/lmp91000.c:209:15: note: 'reg' was declared here /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] /kisskb/src/drivers/md/bcache/alloc.c: In function 'bch_bucket_alloc': /kisskb/src/drivers/md/bcache/alloc.c:436:18: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mcb/mcb-parse.c: In function 'chameleon_parse_cells': /kisskb/src/drivers/mcb/mcb-parse.c:249:7: warning: 'cb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/pressure/bmp280-core.c: In function 'bmp180_read_temp': /kisskb/src/drivers/iio/pressure/bmp280-core.c:809:18: warning: 'adc_temp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/pressure/bmp280-core.c:819:6: note: 'adc_temp' was declared here /kisskb/src/drivers/iio/pressure/bmp280-core.c: In function 'bmp180_read_press': /kisskb/src/drivers/iio/pressure/bmp280-core.c:880:8: warning: 'adc_press' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/pressure/bmp280-core.c:897:6: note: 'adc_press' was declared here /kisskb/src/fs/ext4/super.c: In function 'ext4_fill_super': /kisskb/src/fs/ext4/super.c:4332:6: warning: 'first_not_zeroed' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/cec/cec-api.c: In function 'cec_ioctl': /kisskb/src/drivers/media/cec/cec-api.c:318:2: warning: 'ev_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/cec/cec-api.c:284:15: note: 'ev_idx' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c: In function 'mlx90632_read_raw': /kisskb/src/drivers/iio/temperature/mlx90632.c:348:37: warning: 'object_old_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:56: note: 'object_old_raw' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c:348:37: warning: 'object_new_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:40: note: 'object_new_raw' was declared here /kisskb/src/drivers/iio/proximity/srf08.c: In function 'srf08_write_sensitivity': /kisskb/src/drivers/iio/proximity/srf08.c:370:6: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-kye.c: In function 'kye_probe': /kisskb/src/include/linux/hid.h:1038:34: 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/iio/temperature/tsys01.c: In function 'tsys01_read_raw': /kisskb/src/drivers/iio/temperature/tsys01.c:94:9: warning: 'temperature' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/of/platform.c: In function 'of_device_alloc': /kisskb/src/drivers/of/platform.c:94:16: warning: 'addr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/of/platform.c:84:6: note: 'addr' was declared here /kisskb/src/fs/gfs2/rgrp.c: In function 'gfs2_rbm_find': /kisskb/src/fs/gfs2/incore.h:119:2: warning: 'rs' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/rgrp.c:1556:25: note: 'rs' was declared here /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/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_msg_build': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-logitech-hidpp.c: In function 'hidpp20_query_battery_info': /kisskb/src/drivers/hid/hid-logitech-hidpp.c:1044:68: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c: In function 'd_add': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2591:11: note: 'n' was declared here /kisskb/src/fs/dcache.c: In function '__d_move': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2783:11: note: 'n' was declared here /kisskb/src/fs/dcache.c: In function 'd_splice_alias': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2591:11: note: 'n' was declared here /kisskb/src/drivers/iio/light/lm3533-als.c: In function 'show_thresh_either_en': /kisskb/src/drivers/iio/light/lm3533-als.c:424:18: warning: 'enable' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c: In function 'vb2_thread': /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c:2545:3: warning: 'vb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_async_check': /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1549:2: warning: 'new_plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1545:2: warning: 'old_plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1549:2: warning: 'plane' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/cxl/native.c: In function 'native_irq_wait': /kisskb/src/drivers/misc/cxl/native.c:1248:10: warning: 'ph' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/cxl/native.c:1248:10: warning: 'dsisr' may be used uninitialized in this function [-Wuninitialized] /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:1899:26: warning: 'new_crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/lv0104cs.c: In function 'lv0104cs_write_raw': /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:279:14: note: 'index' was declared here /kisskb/src/drivers/iio/light/lv0104cs.c: In function 'lv0104cs_read_raw': /kisskb/src/drivers/iio/light/lv0104cs.c:217:21: warning: 'adc_output' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/lv0104cs.c:164:6: note: 'adc_output' was declared here /kisskb/src/drivers/phy/motorola/phy-cpcap-usb.c: In function 'cpcap_usb_detect': /kisskb/src/drivers/phy/motorola/phy-cpcap-usb.c:223:2: warning: 's.id_ground' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/of/overlay.c: In function 'add_changeset_property': /kisskb/src/drivers/of/overlay.c:225:25: warning: 'fragment' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/of/overlay.c:183:19: note: 'fragment' was declared here /kisskb/src/fs/xfs/libxfs/xfs_alloc.c: In function 'xfs_alloc_put_freelist': /kisskb/src/fs/xfs/libxfs/xfs_alloc.c:2535:8: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /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/fs/udf/super.c: In function 'udf_process_sequence': /kisskb/src/fs/udf/super.c:1303:2: warning: 'map' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/udf/super.c:1236:23: note: 'map' was declared here /kisskb/src/fs/aio.c: In function 'lookup_ioctx': /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/fs/aio.c: In function 'do_io_getevents': /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/aio.c: In function '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/fs/aio.c: In function 'io_submit_one': /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/fs/aio.c: In function 'free_ioctx_users': /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/aio.c: In function 'ioctx_alloc': /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/fs/aio.c: In function '__se_sys_io_setup': /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/aio.c: In function '__se_compat_sys_io_setup': /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/aio.c: In function '__se_sys_io_destroy': /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/aio.c: In function '__se_sys_io_submit': /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/aio.c: In function '__se_compat_sys_io_submit': /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/aio.c: In function '__se_sys_io_cancel': /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/misc/cxl/pci.c: In function 'cxl_get_xsl9_dsnctl': /kisskb/src/drivers/misc/cxl/pci.c:473:24: warning: 'nbwind' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/cxl/pci.c:464:13: warning: 'asnind' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/cxl/pci.c:460:13: warning: 'capiind' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/devices/phram.c: In function 'phram_setup': /kisskb/src/drivers/mtd/devices/phram.c:107:16: warning: 'name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/devices/phram.c:217:8: note: 'name' was declared here /kisskb/src/drivers/misc/bh1770glc.c: In function 'bh1770_prox_read_result': /kisskb/src/drivers/misc/bh1770glc.c:236:29: warning: 'mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/bh1770glc.c:469:5: note: 'mode' was declared here /kisskb/src/drivers/md/persistent-data/dm-space-map-common.c: In function 'sm_ll_find_free_block': /kisskb/src/drivers/md/persistent-data/dm-space-map-common.c:378:41: warning: 'position' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'drm_add_edid_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3145:3: warning: 'clock2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c:3124:24: note: 'clock2' was declared here /kisskb/src/drivers/gpu/drm/drm_edid.c:3457:2: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c:3710:10: note: 'hdmi_len' was declared here /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2786_get_capacity': /kisskb/src/drivers/power/supply/ds2782_battery.c:214:17: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2782_get_capacity': /kisskb/src/drivers/power/supply/ds2782_battery.c:173:12: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2786_get_voltage': /kisskb/src/drivers/power/supply/ds2782_battery.c:201:21: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2786_get_current': /kisskb/src/drivers/power/supply/ds2782_battery.c:185:21: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2782_get_voltage': /kisskb/src/drivers/power/supply/ds2782_battery.c:161:21: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2782_get_current': /kisskb/src/drivers/power/supply/ds2782_battery.c:145:20: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c:138:19: warning: 'sense_res_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds278x_battery_get_property': /kisskb/src/drivers/power/supply/ds2782_battery.c:116:16: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c:104:6: note: 'raw' was declared here /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_check_only': /kisskb/src/drivers/gpu/drm/drm_atomic.c:885:2: warning: 'plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c:1702:26: note: 'plane_state' was declared here /kisskb/src/drivers/gpu/drm/drm_atomic.c:885:2: warning: 'plane' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c:1701:20: note: 'plane' was declared here /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_mode_atomic_ioctl': /kisskb/src/drivers/gpu/drm/drm_atomic.c:2232:14: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c:2172:25: note: 'crtc_state' was declared here /kisskb/src/drivers/misc/cxl/vphb.c: In function 'cxl_pcie_write_config': /kisskb/src/drivers/misc/cxl/vphb.c:195:6: warning: 'record' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/cxl/vphb.c: In function 'cxl_pcie_read_config': /kisskb/src/drivers/misc/cxl/vphb.c:160:6: warning: 'record' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pci/vc.c: In function 'pci_vc_do_save_buffer': /kisskb/src/drivers/pci/vc.c:155:24: warning: 'ctrl_pos2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pci/vc.c:103:47: note: 'ctrl_pos2' was declared here /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/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:246:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_setup_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:206:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:179:19: note: 'i' was declared here /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/pci/quirks.c: In function '__nv_msi_ht_cap_quirk': /kisskb/src/drivers/pci/quirks.c:2641:6: warning: 'host_bridge' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pci/quirks.c:2661:18: note: 'host_bridge' was declared here /kisskb/src/drivers/md/raid5.c: In function 'raid5d': /kisskb/src/drivers/md/raid5.c:6127:3: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/raid5.c:6277:16: note: 'offset' was declared here /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/tty/vt/consolemap.c: In function 'conv_uni_to_pc': /kisskb/src/drivers/tty/vt/consolemap.c:812:6: warning: 'h' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/uwb/i1480/dfu/phy.c: In function 'i1480_phy_fw_upload': /kisskb/src/drivers/uwb/i1480/dfu/phy.c:191:3: warning: 'phy_stat' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/xfs/libxfs/xfs_bmap.c: In function '__xfs_bunmapi': /kisskb/src/fs/xfs/libxfs/xfs_bmap.c:5163:8: warning: 'error' 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/rtc/rtc-rx8025.c: In function 'rx8025_sysfs_show_clock_adjust': /kisskb/src/drivers/rtc/rtc-rx8025.c:484:16: warning: 'adj' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_fintek.c: In function 'fintek_8250_probe': /kisskb/src/drivers/tty/serial/8250/8250_fintek.c:409:18: warning: 'min' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_fintek.c:391:15: note: 'min' was declared here /kisskb/src/drivers/power/supply/lp8788-charger.c: In function 'lp8788_charger_probe': /kisskb/src/drivers/power/supply/lp8788-charger.c:562:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/lp8788-charger.c:512:6: note: 'ret' was declared here /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/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/svc.c: In function 'gb_svc_request_handler': /kisskb/src/drivers/staging/greybus/svc.c:785:29: warning: 'rail_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/svc.c:766:5: note: 'rail_count' was declared here /kisskb/src/drivers/power/supply/bq24190_charger.c: In function 'bq24190_charger_set_property': /kisskb/src/drivers/power/supply/bq24190_charger.c:801:7: warning: 'en_term' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/bq24190_charger.c:762:30: note: 'en_term' was declared here /kisskb/src/drivers/power/supply/bq24190_charger.c:794:7: warning: 'force_20pct' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/bq24190_charger.c:762:17: note: 'force_20pct' was declared here /kisskb/src/drivers/regulator/s2mpa01.c: In function 's2mpa01_set_ramp_delay': /kisskb/src/drivers/regulator/s2mpa01.c:208:9: warning: 'ramp_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/s2mps11.c: In function 's2mps11_set_ramp_delay': /kisskb/src/drivers/regulator/s2mps11.c:233:9: warning: 'ramp_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/s5m8767.c: In function 's5m8767_get_register': /kisskb/src/drivers/regulator/s5m8767.c:209:43: warning: 'mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/tps6586x-regulator.c: In function 'tps6586x_regulator_probe': /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:340:6: note: 'num' was declared here /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/md/md.c: In function 'mddev_init_writes_pending': /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/w1/slaves/w1_ds2438.c: In function 'temperature_read': /kisskb/src/drivers/w1/slaves/w1_ds2438.c:301:16: warning: 'temp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/md.c: In function 'md_write_start': /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/md/md.c: In function 'md_write_inc': /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/md/md.c: In function 'md_write_end': /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/media/rc/rc-main.c: In function 'store_wakeup_protocols': /kisskb/src/drivers/media/rc/rc-main.c:1510:20: warning: 'protocol' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/rc/rc-main.c: In function 'store_protocols': /kisskb/src/drivers/media/rc/rc-main.c:1147:15: warning: 'mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/rc/rc-main.c:1107:6: note: 'mask' was declared here /kisskb/src/drivers/usb/core/hcd.c: In function 'usb_hcd_submit_urb': /kisskb/src/drivers/usb/core/hcd.c:711:10: warning: 'bufp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/hcd.c:485:12: note: 'bufp' was declared here /kisskb/src/drivers/md/dm-ioctl.c: In function 'ctl_ioctl': /kisskb/src/drivers/md/dm-ioctl.c:1891:13: warning: 'param_flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-ioctl.c:1741:2: warning: 'ioctl_flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-ioctl.c:1824:6: note: 'ioctl_flags' was declared here /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:531:2: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:680:19: note: 'memory' was declared here /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: In function 'do_video_ioctl': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:499:2: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:584:19: note: 'memory' was declared here /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:635:3: warning: 'length' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:583:6: note: 'length' was declared here /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:601:2: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:582:6: note: 'type' was declared here /kisskb/src/fs/xfs/xfs_rtalloc.c: In function 'xfs_growfs_rt': /kisskb/src/fs/xfs/xfs_rtalloc.c:972:4: warning: 'nrblocks' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-thin-metadata.c: In function '__create_persistent_data_objects': /kisskb/src/drivers/md/dm-thin-metadata.c:681:2: warning: 'unformatted' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-thin-metadata.c:675:9: note: 'unformatted' was declared here /kisskb/src/drivers/md/dm-raid1.c: In function 'mirror_ctr': /kisskb/src/drivers/md/dm-raid1.c:1084:7: warning: 'args_used' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/xfs/xfs_log_recover.c: In function 'xlog_recover_buffer_pass2': /kisskb/src/include/linux/uuid.h:61:15: warning: 'uuid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/xfs/xfs_log_recover.c:2282:12: note: 'uuid' was declared here /kisskb/src/drivers/md/dm-cache-target.c: In function 'cache_message': /kisskb/src/drivers/md/dm-cache-target.c:3339:8: warning: 'range.end' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-cache-target.c:3356:22: note: 'range.end' was declared here /kisskb/src/drivers/md/dm-cache-target.c:3299:11: warning: 'range.begin' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-cache-target.c:3356:22: note: 'range.begin' was declared here /kisskb/src/drivers/md/dm-cache-background-tracker.c: In function 'btracker_promotion_already_present': /kisskb/src/drivers/md/dm-cache-background-tracker.c:245:2: warning: 'w' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/wusbcore/devconnect.c: In function 'wusbhc_handle_dn': /kisskb/src/drivers/usb/wusbcore/devconnect.c:315:17: warning: 'port' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/wusbcore/devconnect.c:272:20: note: 'port' was declared here /kisskb/src/drivers/usb/serial/cp210x.c: In function 'cp210x_tx_empty': /kisskb/src/drivers/usb/serial/cp210x.c:883:2: warning: 'count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/f81534.c: In function 'f81534_set_register': /kisskb/src/drivers/usb/serial/f81534.c:243:2: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/qcserial.c: In function 'qcprobe': /kisskb/src/drivers/usb/serial/qcserial.c:404:29: warning: 'ifnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/f81534.c: In function 'f81534_get_register': /kisskb/src/drivers/usb/serial/f81534.c:282:2: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/typec/tcpm.c: In function 'tcpm_state_machine_work': /kisskb/src/drivers/usb/typec/tcpm.c:2395:19: warning: 'rdo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/typec/tcpm.c:2383:6: note: 'rdo' was declared here /kisskb/src/drivers/usb/typec/tcpm.c:2297:19: warning: 'rdo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/typec/tcpm.c:2285:6: note: 'rdo' was declared here /kisskb/src/drivers/usb/serial/mos7720.c: In function 'mos7720_set_termios': /kisskb/src/drivers/usb/serial/mos7720.c:1505:15: warning: 'divisor' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/mos7720.c:1480:6: note: 'divisor' was declared here /kisskb/src/drivers/usb/serial/io_edgeport.c: In function 'change_port_settings': /kisskb/src/drivers/usb/serial/io_edgeport.c:2347:2: warning: 'divisor' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/io_edgeport.c:2317:6: note: 'divisor' was declared here /kisskb/src/drivers/usb/serial/io_edgeport.c: In function 'edge_startup': /kisskb/src/drivers/usb/serial/io_edgeport.c:432:18: warning: 'fw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/io_edgeport.c:361:25: note: 'fw' was declared here /kisskb/src/drivers/usb/serial/io_edgeport.c:2820:18: warning: 'fw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/serial/io_edgeport.c:2754:25: note: 'fw' was declared here Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc # Build took: 0:02:50.050951