# git rev-parse -q --verify c677124e631d97130e4ff7db6e10acdfb7a82321^{commit} c677124e631d97130e4ff7db6e10acdfb7a82321 already have revision, skipping fetch # git checkout -q -f -B kisskb c677124e631d97130e4ff7db6e10acdfb7a82321 # git clean -qxdf # < git log -1 # commit c677124e631d97130e4ff7db6e10acdfb7a82321 # Merge: c0e809e24480 afa70d941f66 # Author: Linus Torvalds # Date: Tue Jan 28 10:07:09 2020 -0800 # # Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip # # Pull scheduler updates from Ingo Molnar: # "These were the main changes in this cycle: # # - More -rt motivated separation of CONFIG_PREEMPT and # CONFIG_PREEMPTION. # # - Add more low level scheduling topology sanity checks and warnings # to filter out nonsensical topologies that break scheduling. # # - Extend uclamp constraints to influence wakeup CPU placement # # - Make the RT scheduler more aware of asymmetric topologies and CPU # capacities, via uclamp metrics, if CONFIG_UCLAMP_TASK=y # # - Make idle CPU selection more consistent # # - Various fixes, smaller cleanups, updates and enhancements - please # see the git log for details" # # * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (58 commits) # sched/fair: Define sched_idle_cpu() only for SMP configurations # sched/topology: Assert non-NUMA topology masks don't (partially) overlap # idle: fix spelling mistake "iterrupts" -> "interrupts" # sched/fair: Remove redundant call to cpufreq_update_util() # sched/psi: create /proc/pressure and /proc/pressure/{io|memory|cpu} only when psi enabled # sched/fair: Fix sgc->{min,max}_capacity calculation for SD_OVERLAP # sched/fair: calculate delta runnable load only when it's needed # sched/cputime: move rq parameter in irqtime_account_process_tick # stop_machine: Make stop_cpus() static # sched/debug: Reset watchdog on all CPUs while processing sysrq-t # sched/core: Fix size of rq::uclamp initialization # sched/uclamp: Fix a bug in propagating uclamp value in new cgroups # sched/fair: Load balance aggressively for SCHED_IDLE CPUs # sched/fair : Improve update_sd_pick_busiest for spare capacity case # watchdog: Remove soft_lockup_hrtimer_cnt and related code # sched/rt: Make RT capacity-aware # sched/fair: Make EAS wakeup placement consider uclamp restrictions # sched/fair: Make task_fits_capacity() consider uclamp restrictions # sched/uclamp: Rename uclamp_util_with() into uclamp_rq_util_with() # sched/uclamp: Make uclamp util helpers use and return UL values # ... # < /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 c677124e631d97130e4ff7db6e10acdfb7a82321 # < make -s -j 32 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=0x3780FE32 # 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 32 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 32 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/drivers/android/binderfs.c: In function 'binderfs_fill_super': /kisskb/src/drivers/android/binderfs.c:657:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/android/binderfs.c:657:9: warning: (near initialization for 'device_info.name') [-Wmissing-braces] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' 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:2598:6: warning: 'ret' 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:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events.c: In function 'event_create_dir': /kisskb/src/kernel/trace/trace_events.c:2039:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hwmon/drivetemp.c: In function 'drivetemp_get_smarttemp': /kisskb/src/drivers/hwmon/drivetemp.c:250:20: warning: 'temp_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr_rx': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info': /kisskb/src/net/bridge/br_netlink.c:587:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.5': /kisskb/src/fs/btrfs/ref-verify.c:492:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid': /kisskb/src/net/ncsi/ncsi-manage.c:671:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.30': /kisskb/src/net/mac80211/mlme.c:1576:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1566:3: warning: 'pwr_level_80211h' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb': /kisskb/src/net/core/devlink.c:4613:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-el15203000.c: In function 'el15203000_probe_dt': /kisskb/src/drivers/leds/leds-el15203000.c:246:8: 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:3131:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/test_objagg.c: In function 'test_hints_case.constprop.7': /kisskb/src/lib/test_objagg.c:994:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c: In function 'siw_rqe_get': /kisskb/src/include/linux/spinlock.h:393:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:335:16: note: 'flags' was declared here /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:70:13: 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/drivers/iio/imu/bmi160/bmi160_core.c: In function 'bmi160_config_pin.constprop.9': /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: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/fs/f2fs/segment.c: In function 'f2fs_flush_sit_entries': /kisskb/src/fs/f2fs/segment.c:3929:5: warning: array subscript is below array bounds [-Warray-bounds] /kisskb/src/fs/ocfs2/alloc.c: In function 'ocfs2_trim_mainbm': /kisskb/src/fs/ocfs2/alloc.c:7608:17: warning: 'first_bit' 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:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function 'gk104_top_oneinit': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/soc/qcom/rpmh.c: In function 'rpmh_write_batch': /kisskb/src/drivers/soc/qcom/rpmh.c:355:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/misc/usbtest.c: In function 'test_queue': /kisskb/src/drivers/usb/misc/usbtest.c:2148:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-main.c: In function 'VXGE_COMPLETE_VPATH_TX.isra.36': /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-main.c:119:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] WARNING: vmlinux.o(.text.unlikely+0x2dec): Section mismatch in reference from the function .xive_spapr_disabled() to the function .init.text:.of_get_flat_dt_root() The function .xive_spapr_disabled() references the function __init .of_get_flat_dt_root(). This is often because .xive_spapr_disabled lacks a __init annotation or the annotation of .of_get_flat_dt_root is wrong. WARNING: vmlinux.o(.text.unlikely+0x2dfc): Section mismatch in reference from the function .xive_spapr_disabled() to the function .init.text:.of_get_flat_dt_subnode_by_name() The function .xive_spapr_disabled() references the function __init .of_get_flat_dt_subnode_by_name(). This is often because .xive_spapr_disabled lacks a __init annotation or the annotation of .of_get_flat_dt_subnode_by_name is wrong. WARNING: vmlinux.o(.text.unlikely+0x2e18): Section mismatch in reference from the function .xive_spapr_disabled() to the function .init.text:.of_get_flat_dt_prop() The function .xive_spapr_disabled() references the function __init .of_get_flat_dt_prop(). This is often because .xive_spapr_disabled lacks a __init annotation or the annotation of .of_get_flat_dt_prop is wrong. ERROR: start_text address is c000000000008100, should be c000000000008000 ERROR: try to enable LD_HEAD_STUB_CATCH config option ERROR: see comments in arch/powerpc/tools/head_check.sh make[2]: *** [/kisskb/src/arch/powerpc/Makefile.postlink:31: vmlinux] Error 1 make[1]: *** [/kisskb/src/Makefile:1078: vmlinux] Error 2 make[1]: *** Deleting file 'vmlinux' make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 32 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: 0:04:35.950530