# git rev-parse -q --verify 6e264b171ec12e1ec06f7d41721c2afd1a4eec8f^{commit} 6e264b171ec12e1ec06f7d41721c2afd1a4eec8f already have revision, skipping fetch # git checkout -q -f -B kisskb 6e264b171ec12e1ec06f7d41721c2afd1a4eec8f # git clean -qxdf # < git log -1 # commit 6e264b171ec12e1ec06f7d41721c2afd1a4eec8f # Author: Hari Bathini # Date: Tue Aug 20 17:37:58 2019 +0530 # # powerpc/fadump: Support holes in kernel boot memory area # # With support to copy multiple kernel boot memory regions owing to copy # size limitation, also handle holes in the memory area to be preserved. # Support as many as 128 kernel boot memory regions. This allows having # an adequate FADump capture kernel size for different scenarios. # # Signed-off-by: Hari Bathini # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/156630287840.8896.5230849753710260996.stgit@hbathini.in.ibm.com # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 6e264b171ec12e1ec06f7d41721c2afd1a4eec8f # < make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0x418494AB # 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 # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # yes \n | make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe # make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/kernel/traps.c: In function 'system_reset_exception': /kisskb/src/arch/powerpc/kernel/traps.c:513:3: warning: 'hsrr1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/kernel/traps.c:512:3: warning: 'hsrr0' 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:194:16: warning: 'old' 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:471:7: warning: 'val' 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:354:16: warning: 'read_data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_configure_queue': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:483:14: warning: 'esn_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_populate_irq_data': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:389:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:401:26: warning: 'eoi_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:393:18: warning: 'trig_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:392:18: warning: 'esb_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/sched/core.c: In function 'try_to_wake_up': /kisskb/src/kernel/sched/core.c:2529:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/arch/powerpc/include/asm/io.h:150:1: warning: 'px_is' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c:88:14: note: 'px_is' was declared here /kisskb/src/arch/powerpc/include/asm/io.h:150:1: warning: 'px_cmd' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c:88:6: note: 'px_cmd' was declared here /kisskb/src/kernel/time/timekeeping.c: In function 'get_device_system_crosststamp': /kisskb/src/kernel/time/timekeeping.c:1191:3: warning: 'cs_was_changed_seq' 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:1852:6: 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:2591:6: 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:2795:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/time/tick-sched.c: In function 'tick_nohz_idle_exit': /kisskb/src/kernel/time/tick-sched.c:846:19: warning: 'now' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/time/tick-sched.c:1160:10: note: 'now' was declared here /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/mm/page_isolation.c: In function 'unset_migratetype_isolate': /kisskb/src/mm/page_isolation.c:142:15: warning: 'order' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ioctl.c: In function 'btrfs_extent_same': /kisskb/src/fs/btrfs/ioctl.c:3254:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:3027:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one.isra.14': /kisskb/src/include/linux/rhashtable.h:110:10: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:222:28: note: 'next' was declared here /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:903:8: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:913:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /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:236:24: note: 'head' was declared here /kisskb/src/fs/f2fs/node.c: In function '__flush_nat_entry_set': /kisskb/src/fs/f2fs/node.c:2784:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.1': /kisskb/src/fs/btrfs/ref-verify.c:492:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_leaf': /kisskb/src/fs/btrfs/ref-verify.c:542:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/fs/proc/inode.c:370:15: warning: 'pdeo' 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/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/iio/accel/mma9551_core.c: In function 'mma9551_gpio_config': /kisskb/src/drivers/iio/accel/mma9551_core.c:582:6: warning: 'pol_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/accel/mma9551.c: In function 'mma9551_event_handler': /kisskb/src/drivers/iio/accel/mma9551.c:373:6: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_flash_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:602:6: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c: In function 'bmi160_config_pin.constprop.8': /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:606:29: warning: 'int_map_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:599:29: warning: 'int_latch_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:577:47: warning: 'int_out_ctrl_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/bcache/alloc.c: In function 'bch_allocator_thread': /kisskb/src/drivers/md/bcache/alloc.c:344:4: warning: 'bucket' 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:443:18: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/raid10.c: In function 'read_balance': /kisskb/src/drivers/md/raid10.c:840:22: warning: 'best_pending_slot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-stats.c: In function 'dm_jiffies_to_msec64.isra.2': /kisskb/src/drivers/md/dm-stats.c:794:40: warning: 'mult' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/mic/vop/vop_vringh.c: In function 'vop_virtio_copy_from_user': /kisskb/src/drivers/misc/mic/vop/vop_vringh.c:628:2: warning: 'x200' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/mic/vop/vop_vringh.c:640:8: warning: 'dma_alignment' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-bdev.c: In function 'nvmet_bdev_execute_discard': /kisskb/src/drivers/nvme/target/io-cmd-bdev.c:271:21: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:988:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/rk808.c:732:12: warning: 'rk8xx_suspend' defined but not used [-Wunused-function] /kisskb/src/drivers/mfd/rk808.c:752:12: warning: 'rk8xx_resume' defined but not used [-Wunused-function] /kisskb/src/drivers/media/usb/uvc/uvc_ctrl.c: In function 'uvc_ctrl_add_mapping': /kisskb/src/drivers/media/usb/uvc/uvc_ctrl.c:2161:6: warning: 'ctrl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/erofs/data.c: In function 'erofs_raw_access_readpages': /kisskb/src/drivers/staging/erofs/data.c:215:2: warning: 'last_block' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/erofs/data.c:357:14: note: 'last_block' 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/staging/comedi/drivers/pcl818.c: In function 'pcl818_ai_cmd': /kisskb/src/drivers/staging/comedi/drivers/pcl818.c:366:25: 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/greybus/bootrom.c: In function 'gb_bootrom_get_firmware': /kisskb/src/drivers/staging/greybus/bootrom.c:301:2: warning: 'size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/bootrom.c:301:2: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/greybus/bootrom.c:301:2: warning: 'fw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_vq_avail_empty': /kisskb/src/include/uapi/linux/swab.h:52:9: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c:3017:13: note: 'avail_idx' was declared here /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_get_vq_desc': /kisskb/src/include/uapi/linux/swab.h:52:9: warning: 'ring_head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c:2727:13: note: 'ring_head' was declared here /kisskb/src/include/uapi/linux/swab.h:52:9: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c:2726:13: note: 'avail_idx' was declared here /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:613:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/host/xhci-ring.c: In function 'handle_port_status.isra.38': /kisskb/src/drivers/usb/host/xhci-ring.c:1738:24: warning: 'hcd' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o(.text.unlikely+0x1b60): Section mismatch in reference from the function .smp_setup_pacas() to the function .init.text:.allocate_paca() The function .smp_setup_pacas() references the function __init .allocate_paca(). This is often because .smp_setup_pacas lacks a __init annotation or the annotation of .allocate_paca is wrong. WARNING: vmlinux.o(.text.unlikely+0x568c): Section mismatch in reference from the function .allocate_dart() to the function .init.text:.memblock_alloc_try_nid_raw() The function .allocate_dart() references the function __init .memblock_alloc_try_nid_raw(). This is often because .allocate_dart lacks a __init annotation or the annotation of .memblock_alloc_try_nid_raw is wrong. WARNING: vmlinux.o(.text.unlikely+0x56dc): Section mismatch in reference from the function .allocate_dart() to the function .init.text:.memblock_phys_alloc_range() The function .allocate_dart() references the function __init .memblock_phys_alloc_range(). This is often because .allocate_dart lacks a __init annotation or the annotation of .memblock_phys_alloc_range is wrong. Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 # Build took: 0:04:11.412545