# git rev-parse -q --verify bcee19f424a0d8c26ecf2607b73c690802658b29^{commit} bcee19f424a0d8c26ecf2607b73c690802658b29 already have revision, skipping fetch # git checkout -q -f -B kisskb bcee19f424a0d8c26ecf2607b73c690802658b29 # git clean -qxdf # git log -1 commit bcee19f424a0d8c26ecf2607b73c690802658b29 Merge: ac2fc4b 0c98625 Author: Linus Torvalds Date: Mon Sep 21 18:26:54 2015 -0700 Merge branch 'for-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "The threadgroup locking changes which went in during 4.2 devel cycle added write locking of a percpu_rwsem in cgroup task migration path; unfortunately, that involved expedited rcu syncing which turned out to be too slow and heavy for certain workloads. The patchset which is dependent on this one didn't get committed during that devel cycle, so these two patches can be reverted safely. Oleg reworked percpu_rwsem for 4.4 so that the writer path is a lot lighter. The reported issue goes away with Oleg's reworked percpu_rwsem and I'll reapply these patches on the for-4.4 branch so that they can land together with Oleg's changes" * 'for-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: Revert "sched, cgroup: replace signal_struct->group_rwsem with a global percpu_rwsem" Revert "cgroup: simplify threadgroup locking" # < /opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 bcee19f424a0d8c26ecf2607b73c690802658b29 # < make -j 240 ARCH=powerpc O=/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- allnoconfig # make -j 240 ARCH=powerpc O=/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- make[1]: Entering directory `/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig make[1]: Leaving directory `/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' make[1]: Entering directory `/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' CHK include/config/kernel.release GEN ./Makefile WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/irq_regs.h WRAP arch/powerpc/include/generated/asm/irq_work.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/mcs_spinlock.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h WRAP arch/powerpc/include/generated/asm/preempt.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/vtime.h UPD include/config/kernel.release Using /home/kisskb/slave/src as source for kernel CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/fstree.o CC scripts/mod/devicetable-offsets.s CC scripts/mod/empty.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.h SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-parser.tab.o HOSTCC scripts/dtc/dtc-lexer.lex.o CHK include/generated/timeconst.h CC kernel/bounds.s UPD include/generated/timeconst.h GEN scripts/mod/devicetable-offsets.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/powerpc/kernel/asm-offsets.s MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh HOSTLD scripts/dtc/dtc HOSTLD scripts/mod/modpost :1301:2: warning: #warning syscall membarrier not implemented [-Wcpp] LD usr/built-in.o CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/noinitramfs.o CC init/init_task.o CC arch/powerpc/mm/fault.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/mm/init_32.o UPD include/generated/compile.h CC arch/powerpc/mm/pgtable_32.o LD arch/powerpc/sysdev/built-in.o CC arch/powerpc/mm/ppc_mmu_32.o AS arch/powerpc/mm/hash_low_32.o CC arch/powerpc/mm/tlb_hash32.o AS arch/powerpc/lib/string.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/lib/alloc.o CC init/version.o LD arch/powerpc/platforms/built-in.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/lib/ppc_ksyms.o CC arch/powerpc/kernel/cputable.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/lib/feature-fixups.o CC arch/powerpc/kernel/syscalls.o AS arch/powerpc/lib/copy_32.o AS arch/powerpc/lib/div64.o CC arch/powerpc/kernel/irq.o AS arch/powerpc/lib/checksum_32.o CC arch/powerpc/kernel/align.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/kernel/idle.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/kernel/process.o CPP arch/powerpc/kernel/systbl_chk.i LD arch/powerpc/crypto/built-in.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o LD arch/powerpc/net/built-in.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/setup-common.o CC arch/powerpc/kernel/udbg.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/io.o CC arch/powerpc/kernel/dma.o AS arch/powerpc/kernel/misc_32.o CC arch/powerpc/kernel/of_platform.o LD certs/built-in.o CC arch/powerpc/kernel/prom_parse.o AS arch/powerpc/kernel/idle_6xx.o AS arch/powerpc/kernel/l2cr_6xx.o AS arch/powerpc/kernel/cpu_setup_6xx.o AS arch/powerpc/kernel/entry_32.o CC arch/powerpc/kernel/setup_32.o CC arch/powerpc/kernel/pci_32.o CC arch/powerpc/kernel/pci-common.o CC arch/powerpc/kernel/pci_of_scan.o CC arch/powerpc/kernel/iomap.o AS arch/powerpc/kernel/head_32.o LDS arch/powerpc/kernel/vmlinux.lds LD ipc/built-in.o AS arch/powerpc/kernel/fpu.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh LD crypto/built-in.o AS arch/powerpc/kernel/systbl.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o LD block/built-in.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o CC security/commoncap.o VDSO32A arch/powerpc/kernel/vdso32/note.o CC security/min_addr.o CC fs/open.o CC fs/read_write.o LD sound/built-in.o CC fs/file_table.o CC fs/super.o CC mm/filemap.o CC fs/char_dev.o CC kernel/fork.o CC fs/stat.o CC fs/exec.o CC mm/mempool.o CC kernel/exec_domain.o CC fs/pipe.o CC fs/namei.o CC mm/oom_kill.o CC kernel/panic.o CC mm/page-writeback.o CC kernel/exit.o CC mm/maccess.o CC fs/ioctl.o CC fs/fcntl.o CC mm/page_alloc.o CC kernel/cpu.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg CC mm/readahead.o CC kernel/softirq.o CC mm/swap.o CC mm/truncate.o LD net/built-in.o LD firmware/built-in.o CC kernel/resource.o CC fs/readdir.o CC kernel/sysctl.o CC fs/select.o OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so CC mm/vmscan.o CC mm/shmem.o CC fs/dcache.o CC mm/util.o AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o CC fs/inode.o CC kernel/sysctl_binary.o CC fs/attr.o CC mm/mmzone.o CC fs/bad_inode.o CC kernel/capability.o CC fs/file.o CC fs/filesystems.o CC mm/vmstat.o CC fs/namespace.o CC kernel/user.o CC kernel/ptrace.o CC fs/seq_file.o CC kernel/signal.o CC fs/xattr.o CC mm/backing-dev.o CC kernel/sys.o CC mm/mm_init.o CC kernel/kmod.o CC mm/mmu_context.o CC fs/libfs.o CC fs/fs-writeback.o CC kernel/task_work.o CC mm/slab_common.o CC kernel/pid.o CC mm/percpu.o CC fs/splice.o CC kernel/workqueue.o CC fs/sync.o CC mm/vmacache.o CC mm/compaction.o CC kernel/extable.o CC fs/pnode.o CC mm/interval_tree.o CC kernel/params.o CC fs/utimes.o CC fs/stack.o CC mm/list_lru.o CC fs/fs_struct.o CC mm/workingset.o CC kernel/kthread.o CC mm/debug.o LD arch/powerpc/kernel/vdso32/built-in.o CC fs/statfs.o CC fs/fs_pin.o CC kernel/sys_ni.o CC mm/gup.o CC fs/nsfs.o CC mm/highmem.o CC kernel/nsproxy.o CC fs/no-block.o CC mm/memory.o CC kernel/notifier.o CC kernel/ksysfs.o CC mm/mlock.o LD arch/powerpc/lib/built-in.o LD fs/exofs/built-in.o CC mm/mincore.o CC kernel/reboot.o LD fs/devpts/built-in.o CC mm/mmap.o LD fs/quota/built-in.o CC kernel/cred.o CC fs/binfmt_elf.o CC kernel/async.o CC kernel/range.o CC mm/mprotect.o CC mm/mremap.o CC kernel/smpboot.o CC mm/msync.o CC mm/rmap.o CC mm/vmalloc.o LD kernel/livepatch/built-in.o CC kernel/power/qos.o CC fs/ramfs/inode.o LD fs/notify/dnotify/built-in.o CC mm/pagewalk.o CC kernel/printk/printk.o CC fs/ramfs/file-mmu.o CC mm/pgtable-generic.o CC kernel/dma.o LD fs/notify/inotify/built-in.o CC mm/init-mm.o LD fs/notify/fanotify/built-in.o CC kernel/up.o CC kernel/rcu/update.o CC kernel/irq/irqdesc.o CC kernel/locking/mutex.o CC mm/memblock.o CC kernel/elfcore.o CC mm/nobootmem.o CC kernel/rcu/tiny.o CC kernel/irq/handle.o CC mm/dmapool.o LD fs/notify/built-in.o CC kernel/memremap.o CC kernel/locking/semaphore.o CC mm/slub.o CC kernel/locking/rwsem.o CC kernel/locking/percpu-rwsem.o CC kernel/irq/manage.o CC kernel/locking/rwsem-xadd.o CC kernel/irq/spurious.o CC kernel/irq/resend.o CC kernel/irq/chip.o CC kernel/sched/core.o CC kernel/irq/devres.o CC kernel/irq/dummychip.o CC kernel/irq/irqdomain.o CC kernel/sched/loadavg.o LD drivers/auxdisplay/built-in.o LD drivers/amba/built-in.o LD drivers/block/built-in.o CC kernel/sched/clock.o LD drivers/bus/built-in.o CC lib/lockref.o CC kernel/sched/cputime.o LD drivers/cdrom/built-in.o CC lib/bcd.o LD drivers/clk/built-in.o CC lib/div64.o CC kernel/sched/idle_task.o CC kernel/sched/fair.o LD drivers/firewire/built-in.o LD drivers/clocksource/built-in.o CC kernel/time/time.o LD drivers/gpio/built-in.o CC lib/sort.o CC drivers/char/mem.o CC kernel/sched/rt.o CC kernel/time/timer.o CC lib/parser.o CC drivers/char/random.o CC kernel/sched/deadline.o CC drivers/char/misc.o CC kernel/time/hrtimer.o LD drivers/idle/built-in.o CC lib/halfmd4.o CC kernel/sched/stop_task.o CC drivers/irqchip/irqchip.o CC kernel/sched/wait.o CC lib/debug_locks.o CC kernel/time/itimer.o LD drivers/leds/built-in.o CC kernel/time/posix-timers.o LD drivers/macintosh/built-in.o LD drivers/lguest/built-in.o CC lib/random32.o LD arch/powerpc/mm/built-in.o CC kernel/sched/completion.o CC kernel/time/posix-cpu-timers.o LD drivers/char/agp/built-in.o LD drivers/mfd/built-in.o CC lib/bust_spinlocks.o CC kernel/sched/idle.o LD drivers/gpu/vga/built-in.o CC lib/kasprintf.o CC lib/bitmap.o LD drivers/mmc/built-in.o CC kernel/time/ntp.o CC kernel/time/timekeeping.o CC kernel/time/clocksource.o LD drivers/nfc/built-in.o LD drivers/hsi/controllers/built-in.o CC lib/scatterlist.o LD drivers/hsi/clients/built-in.o LD drivers/net/built-in.o LD drivers/i2c/busses/built-in.o LD drivers/firmware/broadcom/built-in.o LD drivers/pwm/built-in.o CC kernel/time/jiffies.o LD drivers/platform/built-in.o LD drivers/i2c/algos/built-in.o LD drivers/soc/built-in.o CC lib/gcd.o CC kernel/time/timer_list.o LD drivers/i2c/muxes/built-in.o CC kernel/time/timeconv.o CC lib/list_sort.o CC lib/lcm.o CC kernel/time/timecounter.o CC lib/uuid.o LD drivers/firmware/built-in.o CC lib/flex_array.o LD drivers/hsi/built-in.o CC lib/iov_iter.o CC kernel/time/posix-clock.o LD drivers/i2c/built-in.o CC kernel/time/alarmtimer.o CC lib/clz_ctz.o CC kernel/time/clockevents.o LD drivers/usb/host/built-in.o LD drivers/gpu/drm/bridge/built-in.o CC lib/bsearch.o CC kernel/time/tick-common.o CC drivers/base/component.o CC lib/find_bit.o LD drivers/misc/eeprom/built-in.o CC drivers/of/base.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/tty/ipwireless/built-in.o CC drivers/base/core.o CC lib/llist.o CC drivers/of/device.o CC drivers/base/bus.o CC lib/memweight.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/video/backlight/built-in.o LD drivers/usb/built-in.o CC drivers/of/platform.o CC lib/kfifo.o CC drivers/base/dd.o LD drivers/tty/serial/built-in.o LD drivers/misc/ti-st/built-in.o LD drivers/misc/cb710/built-in.o CC drivers/base/syscore.o LD drivers/tty/vt/built-in.o CC drivers/base/driver.o CC drivers/of/fdt.o CC lib/percpu-refcount.o CC drivers/base/class.o LD drivers/gpu/drm/built-in.o CC lib/percpu_ida.o CC drivers/of/fdt_address.o CC drivers/base/cpu.o CC lib/rhashtable.o CC drivers/of/address.o CC drivers/base/firmware.o LD drivers/media/firewire/built-in.o LD drivers/tty/built-in.o CC lib/reciprocal_div.o CC drivers/base/init.o CC drivers/of/irq.o LD init/mounts.o CC drivers/base/platform.o CC lib/string_helpers.o CC drivers/of/of_pci.o CC drivers/base/map.o CC drivers/video/fbdev/core/fb_notify.o CC drivers/base/devres.o CC drivers/of/of_pci_irq.o CC lib/hexdump.o LD drivers/misc/mic/bus/built-in.o CC drivers/pci/access.o LD init/built-in.o CC drivers/of/of_reserved_mem.o CC drivers/base/attribute_container.o CC lib/kstrtox.o LD drivers/gpu/built-in.o CC drivers/pci/bus.o LD drivers/media/tuners/built-in.o CC drivers/base/transport_class.o LD drivers/media/i2c/soc_camera/built-in.o CC lib/pci_iomap.o LD drivers/media/mmc/siano/built-in.o CC drivers/pci/probe.o LD drivers/misc/mic/built-in.o LD drivers/media/platform/omap/built-in.o CC drivers/base/topology.o LD drivers/media/common/b2c2/built-in.o LD drivers/media/common/saa7146/built-in.o CC lib/iomap_copy.o LD drivers/media/rc/keymaps/built-in.o CC drivers/pci/host-bridge.o CC drivers/base/container.o LD drivers/media/common/siano/built-in.o CC drivers/pci/remove.o LD drivers/media/i2c/built-in.o LD drivers/media/mmc/built-in.o LD drivers/misc/built-in.o CC drivers/base/property.o LD drivers/media/platform/built-in.o LD drivers/video/fbdev/omap2/displays-new/built-in.o CC lib/devres.o CC drivers/pci/pci.o CC drivers/base/cacheinfo.o LD drivers/video/fbdev/omap2/dss/built-in.o CC lib/hweight.o LD drivers/media/rc/built-in.o CC drivers/pci/pci-driver.o LD drivers/media/common/built-in.o CC drivers/base/dma-mapping.o LD drivers/irqchip/built-in.o CC lib/bitrev.o CC drivers/pci/search.o LD drivers/video/fbdev/omap2/built-in.o LD drivers/base/power/built-in.o CC drivers/pci/pci-sysfs.o HOSTCC lib/gen_crc32table CC drivers/pci/rom.o CC lib/syscall.o CC drivers/pci/setup-res.o CC lib/atomic64.o CC drivers/pci/irq.o CC drivers/pci/vpd.o CC lib/strncpy_from_user.o CC lib/strnlen_user.o CC drivers/pci/setup-bus.o CC drivers/pci/vc.o CC lib/argv_split.o CC lib/cmdline.o CC drivers/pci/syscall.o CC lib/ctype.o CC drivers/pci/of.o CC lib/dec_and_lock.o CC lib/decompress.o LD drivers/media/usb/b2c2/built-in.o CC lib/dump_stack.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC lib/earlycpio.o LD drivers/media/pci/b2c2/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/usb/s2255/built-in.o LD drivers/pci/host/built-in.o LD drivers/media/pci/pluto2/built-in.o LD drivers/media/usb/siano/built-in.o LD drivers/media/pci/mantis/built-in.o CC lib/extable.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/usb/stkwebcam/built-in.o CC lib/fdt.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o CC lib/fdt_empty_tree.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/media/pci/pt1/built-in.o CC lib/fdt_ro.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/pci/pt3/built-in.o CC lib/fdt_rw.o CC lib/fdt_strerror.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/pci/saa7146/built-in.o CC lib/fdt_sw.o LD drivers/media/usb/built-in.o LD drivers/media/pci/ttpci/built-in.o CC lib/fdt_wip.o CC lib/flex_proportions.o CC lib/idr.o CC lib/int_sqrt.o LD drivers/media/pci/built-in.o CC lib/ioremap.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC lib/klist.o CC lib/kobject.o CC lib/kobject_uevent.o CC lib/md5.o CC lib/nmi_backtrace.o CC lib/plist.o CC lib/proportions.o CC lib/radix-tree.o LD kernel/rcu/built-in.o CC lib/ratelimit.o CC lib/rbtree.o LD fs/ramfs/ramfs.o CC lib/seq_buf.o CC lib/sha1.o LD kernel/locking/built-in.o LD drivers/media/built-in.o CC lib/show_mem.o LD fs/ramfs/built-in.o CC lib/string.o LD kernel/power/built-in.o CC lib/timerqueue.o CC lib/vsprintf.o LD drivers/video/fbdev/core/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/video/built-in.o GEN lib/crc32table.h CC lib/crc32.o LD kernel/printk/built-in.o LD security/built-in.o LD arch/powerpc/kernel/built-in.o LD kernel/irq/built-in.o LD drivers/char/built-in.o LD drivers/base/built-in.o LD drivers/of/built-in.o LD kernel/time/built-in.o LD lib/built-in.o LD kernel/sched/built-in.o LD kernel/built-in.o LD mm/built-in.o AR lib/lib.a LD fs/built-in.o LD drivers/pci/built-in.o LD drivers/built-in.o LINK vmlinux LD vmlinux.o MODPOST vmlinux.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux SYSMAP System.map /opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-strip -s -R .comment vmlinux -o arch/powerpc/boot/vmlinux.strip make[1]: Leaving directory `/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' Completed OK # rm -rf /home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc # Build took: 0:00:21.389067