# git rev-parse -q --verify 550d1f5bda33fa3b203d8cf8df1396825dbfd213^{commit} 550d1f5bda33fa3b203d8cf8df1396825dbfd213 already have revision, skipping fetch # git checkout -q -f -B kisskb 550d1f5bda33fa3b203d8cf8df1396825dbfd213 # git clean -qxdf # < git log -1 # commit 550d1f5bda33fa3b203d8cf8df1396825dbfd213 # Merge: 179c96d9f715 074376ac0e1d # Author: Linus Torvalds # Date: Thu Jul 4 10:26:17 2019 +0900 # # Merge tag 'trace-v5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace # # Pull tracing fixes from Steven Rostedt: # "This includes three fixes: # # - Fix a deadlock from a previous fix to keep module loading and # function tracing text modifications from stepping on each other # (this has a few patches to help document the issue in comments) # # - Fix a crash when the snapshot buffer gets out of sync with the main # ring buffer # # - Fix a memory leak when reading the memory logs" # # * tag 'trace-v5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: # ftrace/x86: Anotate text_mutex split between ftrace_arch_code_modify_post_process() and ftrace_arch_code_modify_prepare() # tracing/snapshot: Resize spare buffer if size changed # tracing: Fix memory leak in tracing_err_log_open() # ftrace/x86: Add a comment to why we take text_mutex in ftrace_arch_code_modify_prepare() # ftrace/x86: Remove possible deadlock between register_kprobe() and ftrace_run_update_code() # < /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 550d1f5bda33fa3b203d8cf8df1396825dbfd213 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0x99F0399A # 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 24 ARCH=powerpc O=/kisskb/build/linus-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 24 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/mm/ksm.c: In function '__stable_node_chain': /kisskb/src/mm/ksm.c:1409:4: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c:1381:6: note: 'found_rmap_hlist_len' was declared here /kisskb/src/kernel/locking/lockdep.c:2821:13: warning: 'print_lock_trace' defined but not used [-Wunused-function] /kisskb/src/mm/memcontrol.c: In function 'commit_charge': /kisskb/src/mm/memcontrol.c:2473:2: warning: 'isolated' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memcontrol.c:2487:6: note: 'isolated' was declared here /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/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/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/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/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/drivers/ata/ahci_qoriq.c:135:10: warning: 'px_is' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c:131:10: warning: 'px_cmd' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ioctl.c: In function 'btrfs_remap_file_range': /kisskb/src/fs/btrfs/ioctl.c:4048:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/kexec.c: In function 'do_kexec_load': /kisskb/src/kernel/kexec.c:150:6: warning: 'image' 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:848:19: warning: 'now' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/time/tick-sched.c:1162:10: note: 'now' was declared here /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1850:6: 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:2589:6: 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:2793:6: warning: 'ret' 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:542:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c:503:35: note: 'ret' was declared here /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2951:6: warning: 'err' 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:93:12: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:237:24: note: 'head' was declared here /kisskb/src/fs/f2fs/node.c: In function 'f2fs_flush_nat_entries': /kisskb/src/fs/f2fs/node.c:2790:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:2751:25: note: 'nat_blk' was declared here /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:904:8: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:920:8: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:259:20: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:222:28: note: 'next' was declared here /kisskb/src/drivers/char/ipmi/kcs_bmc.c: In function 'kcs_bmc_read': /kisskb/src/drivers/char/ipmi/kcs_bmc.c:301:3: warning: 'data_len' 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:363:15: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_unseal_trusted': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:666:20: warning: 'blob_handle' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/fsi/fsi-master-ast-cf.c: In function 'dump_ucode_trace': /kisskb/src/drivers/fsi/fsi-master-ast-cf.c:459:5: warning: 'p' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function 'arm_v7s_map': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:438:7: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:434:22: note: 'cptep' was declared here /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/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/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here /kisskb/src/drivers/iio/adc/qcom-spmi-adc5.c: In function 'adc5_read_raw': /kisskb/src/drivers/iio/adc/qcom-spmi-adc5.c:398:7: warning: 'adc_code_volt' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/adc/rcar-gyroadc.c: In function 'rcar_gyroadc_probe': /kisskb/src/drivers/iio/adc/rcar-gyroadc.c:510:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/mic/vop/vop_vringh.c: In function 'vop_vringh_copy': /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:601:7: note: 'x200' was declared here /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/misc/mic/vop/vop_vringh.c:600:9: note: 'dma_alignment' was declared here /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c: In function 'bmi160_core_probe': /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:618:3: warning: 'pin_name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:563:14: note: 'pin_name' was declared here /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:560:5: note: 'int_map_mask' was declared here /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:559:5: note: 'int_latch_mask' was declared here /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/iio/imu/bmi160/bmi160_core.c:558:5: note: 'int_out_ctrl_shift' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c: In function 'mlx90632_read_raw': /kisskb/src/drivers/iio/temperature/mlx90632.c:351:37: warning: 'object_old_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:432:56: note: 'object_old_raw' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c:351:37: warning: 'object_new_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:432:40: note: 'object_new_raw' was declared here /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c: In function 'madera_mux_set_mux': /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:661:3: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-stats.c: In function 'dm_jiffies_to_msec64.isra.1': /kisskb/src/drivers/md/dm-stats.c:794:40: warning: 'mult' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c: In function 'atmel_hlcdc_pwm_apply': /kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c:67:3: warning: 'clk_period_ns' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-bdev.c: In function 'nvmet_bdev_execute_dsm': /kisskb/src/drivers/nvme/target/io-cmd-bdev.c:232:21: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-bdev.c:209:6: note: 'status' 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/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:242:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:227:19: note: 'i' was declared here /kisskb/src/drivers/phy/ti/phy-am654-serdes.c: In function 'serdes_am654_clk_mux_set_parent': /kisskb/src/drivers/phy/ti/phy-am654-serdes.c:372:2: warning: 'found' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_vq_avail_empty': /kisskb/src/drivers/vhost/vhost.c:2422:32: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_get_vq_desc': /kisskb/src/drivers/vhost/vhost.c:2153:23: warning: 'ring_head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c:2123:33: warning: 'avail_idx' 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: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/soc/qcom/wcnss_ctrl.c: In function 'wcnss_async_probe': /kisskb/src/drivers/soc/qcom/wcnss_ctrl.c:299:2: warning: 'expect_cbc' may be used uninitialized in this function [-Wuninitialized] /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/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_set_termios': /kisskb/src/drivers/tty/serial/qcom_geni_serial.c:966:25: warning: 'clk_div' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o(.text+0x51a): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:.early_setup() The function start_here_multiplatform() references the function __init .early_setup(). This is often because start_here_multiplatform lacks a __init annotation or the annotation of .early_setup is wrong. WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example contains section definitions for use in .S files. Inconsistent kallsyms data Try make KALLSYMS_EXTRA_PASS=1 as a workaround make[1]: *** [/kisskb/src/Makefile:1052: vmlinux] Error 1 make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 24 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 # Build took: 0:03:38.434831