# git rev-parse -q --verify 2d311c5acae9a123b4dc2fb2e36015980f622c32^{commit} 2d311c5acae9a123b4dc2fb2e36015980f622c32 already have revision, skipping fetch # git checkout -q -f -B kisskb 2d311c5acae9a123b4dc2fb2e36015980f622c32 # git clean -qxdf # git log -1 commit 2d311c5acae9a123b4dc2fb2e36015980f622c32 Author: Jiri Slaby Date: Fri Mar 3 13:27:12 2017 +0100 futex: make the encoded_op decoding readable Decoding of encoded_op is a bit unreadable. It contains shifts to the left and to the right by some constants. Make it clearly visible what part of the bit mask is taken and shift the values only to the right appropriatelly. Signed-off-by: Jiri Slaby # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 2d311c5acae9a123b4dc2fb2e36015980f622c32 # < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- allnoconfig # make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- make[1]: Entering directory '/home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile UPD include/config/kernel.release WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/export.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 WRAP arch/powerpc/include/generated/asm/preempt.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/vtime.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h Using /home/kisskb/slave/src as source for kernel HOSTCC scripts/sortextable HOSTCC scripts/dtc/dtc.o CC scripts/mod/empty.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/treesource.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 HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/dtc-lexer.lex.o SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-parser.tab.o GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o HOSTLD scripts/dtc/dtc HOSTLD scripts/mod/modpost CHK include/generated/timeconst.h CC kernel/bounds.s UPD include/generated/timeconst.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/powerpc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh CC init/main.o CHK include/generated/compile.h LD usr/built-in.o CC init/do_mounts.o CC init/noinitramfs.o CC init/init_task.o UPD include/generated/compile.h CC init/version.o CC arch/powerpc/mm/fault.o CC arch/powerpc/mm/mem.o LD arch/powerpc/sysdev/built-in.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/mm/init-common.o AS arch/powerpc/lib/string.o CC arch/powerpc/lib/alloc.o LD arch/powerpc/platforms/built-in.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/mm/ppc_mmu_32.o AS arch/powerpc/mm/hash_low_32.o CC arch/powerpc/lib/feature-fixups.o CC arch/powerpc/mm/tlb_hash32.o AS arch/powerpc/lib/checksum_32.o CC arch/powerpc/mm/hugetlbpage.o AS arch/powerpc/lib/div64.o CC arch/powerpc/kernel/signal_32.o AS arch/powerpc/lib/copy_32.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/kernel/syscalls.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/kernel/process.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/kernel/align.o CC arch/powerpc/kernel/cputable.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/kernel/udbg.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/idle.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/kernel/setup-common.o AS arch/powerpc/kernel/misc.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/kernel/dma.o AS arch/powerpc/kernel/misc_32.o CC arch/powerpc/kernel/of_platform.o CC arch/powerpc/kernel/io.o CC arch/powerpc/kernel/prom_parse.o LD arch/powerpc/crypto/built-in.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 LD arch/powerpc/net/built-in.o CC arch/powerpc/kernel/pci-common.o CC arch/powerpc/kernel/iomap.o CC arch/powerpc/kernel/pci_of_scan.o AS arch/powerpc/kernel/head_32.o LDS arch/powerpc/kernel/vmlinux.lds AS arch/powerpc/kernel/fpu.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o VDSO32A arch/powerpc/kernel/vdso32/note.o LD arch/powerpc/lib/built-in.o LD certs/built-in.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg LD ipc/built-in.o OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o CC security/min_addr.o CC security/commoncap.o LD arch/powerpc/kernel/vdso32/built-in.o LD block/built-in.o LD crypto/built-in.o CC mm/filemap.o CC mm/maccess.o CC mm/oom_kill.o CC mm/mempool.o CC mm/page-writeback.o CC mm/readahead.o CC mm/page_alloc.o CC mm/vmstat.o CC mm/util.o CC mm/mmzone.o CC mm/backing-dev.o CC mm/mm_init.o CC mm/mmu_context.o CC mm/percpu.o CC mm/vmscan.o CC mm/swap.o CC mm/truncate.o CC mm/shmem.o CC mm/slab_common.o LD sound/built-in.o CC fs/open.o LD init/mounts.o CC mm/compaction.o CC fs/read_write.o CC mm/vmacache.o LD init/built-in.o CC mm/swap_slots.o CC fs/file_table.o CC kernel/fork.o CC mm/interval_tree.o CC mm/list_lru.o CC kernel/exec_domain.o LD arch/powerpc/mm/built-in.o CC kernel/panic.o LD firmware/built-in.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o LD net/built-in.o CC mm/workingset.o CC kernel/cpu.o CC mm/gup.o CC mm/debug.o LD drivers/block/built-in.o CC mm/highmem.o LD drivers/bus/built-in.o CC mm/memory.o CC kernel/exit.o LD drivers/cdrom/built-in.o CC mm/mincore.o LD drivers/char/ipmi/built-in.o CC mm/mlock.o CC mm/mmap.o LD virt/lib/built-in.o LD drivers/clocksource/built-in.o LD drivers/firewire/built-in.o CC drivers/char/mem.o CC mm/mprotect.o LD drivers/clk/bcm/built-in.o LD virt/built-in.o LD drivers/firmware/broadcom/built-in.o CC mm/mremap.o CC drivers/base/component.o CC mm/msync.o LD drivers/clk/mvebu/built-in.o CC mm/page_vma_mapped.o LD drivers/firmware/meson/built-in.o LD drivers/firmware/tegra/built-in.o LD drivers/gpu/drm/bridge/built-in.o CC lib/lockref.o CC mm/pagewalk.o CC lib/bcd.o LD drivers/clk/ti/built-in.o CC mm/pgtable-generic.o LD drivers/firmware/built-in.o CC mm/rmap.o CC kernel/softirq.o LD drivers/gpu/drm/hisilicon/built-in.o CC mm/vmalloc.o LD drivers/clk/built-in.o CC mm/init-mm.o CC lib/div64.o CC kernel/resource.o CC lib/sort.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/hwtracing/intel_th/built-in.o CC mm/nobootmem.o CC mm/memblock.o CC mm/dmapool.o CC kernel/sysctl.o LD drivers/idle/built-in.o CC mm/slub.o CC fs/super.o LD drivers/i2c/algos/built-in.o LD drivers/gpu/drm/omapdrm/displays/built-in.o CC lib/parser.o LD drivers/lguest/built-in.o LD drivers/i2c/busses/built-in.o CC lib/debug_locks.o LD drivers/macintosh/built-in.o CC drivers/irqchip/irqchip.o LD arch/powerpc/kernel/built-in.o CC lib/random32.o LD drivers/mmc/built-in.o LD drivers/i2c/muxes/built-in.o LD drivers/net/built-in.o CC lib/bust_spinlocks.o LD drivers/mfd/built-in.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/nfc/built-in.o CC fs/char_dev.o CC lib/kasprintf.o LD security/built-in.o LD drivers/gpu/vga/built-in.o LD drivers/i2c/built-in.o LD drivers/gpu/drm/omapdrm/built-in.o CC drivers/pci/access.o CC drivers/pci/bus.o LD drivers/platform/built-in.o CC lib/bitmap.o LD drivers/pci/dwc/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/nvme/target/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/nvme/host/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/power/built-in.o LD drivers/ptp/built-in.o CC lib/gcd.o CC lib/scatterlist.o CC drivers/of/base.o LD drivers/nvme/built-in.o LD drivers/pwm/built-in.o LD drivers/gpu/drm/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/misc/eeprom/built-in.o CC drivers/char/random.o CC lib/lcm.o LD drivers/misc/mic/bus/built-in.o LD drivers/soc/bcm/built-in.o LD drivers/soc/fsl/built-in.o LD drivers/gpu/built-in.o LD drivers/media/firewire/built-in.o LD drivers/usb/host/built-in.o LD drivers/misc/ti-st/built-in.o CC lib/list_sort.o CC lib/uuid.o CC drivers/of/device.o LD drivers/soc/built-in.o LD drivers/usb/built-in.o CC drivers/pci/probe.o CC kernel/sysctl_binary.o CC lib/flex_array.o CC kernel/capability.o LD drivers/misc/mic/built-in.o CC lib/clz_ctz.o LD drivers/media/common/b2c2/built-in.o CC lib/iov_iter.o CC drivers/base/core.o LD drivers/tty/ipwireless/built-in.o CC drivers/base/syscore.o CC drivers/base/bus.o CC lib/bsearch.o CC drivers/base/dd.o LD drivers/video/backlight/built-in.o LD drivers/misc/built-in.o LD drivers/irqchip/built-in.o LD drivers/media/common/saa7146/built-in.o LD drivers/media/i2c/soc_camera/built-in.o CC lib/find_bit.o CC kernel/ptrace.o CC kernel/user.o LD drivers/media/mmc/siano/built-in.o CC lib/llist.o CC lib/memweight.o LD drivers/tty/serial/built-in.o CC lib/kfifo.o LD drivers/media/common/siano/built-in.o LD drivers/media/mmc/built-in.o LD drivers/media/i2c/built-in.o LD drivers/tty/vt/built-in.o LD drivers/media/common/v4l2-tpg/built-in.o CC kernel/signal.o CC lib/percpu-refcount.o CC kernel/sys.o LD drivers/video/fbdev/core/built-in.o CC lib/percpu_ida.o LD drivers/media/common/built-in.o LD drivers/tty/built-in.o CC fs/stat.o CC lib/rhashtable.o CC fs/exec.o CC lib/reciprocal_div.o CC fs/pipe.o CC lib/once.o LD drivers/media/platform/omap/built-in.o CC lib/refcount.o LD drivers/media/platform/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/media/rc/keymaps/built-in.o CC lib/string_helpers.o LD drivers/media/spi/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD drivers/media/rc/built-in.o CC kernel/kmod.o CC lib/hexdump.o CC kernel/workqueue.o LD drivers/video/fbdev/omap2/omapfb/built-in.o LD drivers/media/tuners/built-in.o CC drivers/base/driver.o LD drivers/media/pci/b2c2/built-in.o CC lib/pci_iomap.o CC lib/kstrtox.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/video/fbdev/omap2/built-in.o CC lib/iomap_copy.o CC lib/devres.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/mantis/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/video/fbdev/built-in.o CC lib/hweight.o CC drivers/pci/host-bridge.o CC drivers/pci/remove.o CC drivers/base/class.o LD drivers/media/pci/pluto2/built-in.o CC fs/namei.o LD drivers/media/pci/pt1/built-in.o CC kernel/pid.o LD drivers/media/pci/pt3/built-in.o CC kernel/extable.o CC kernel/task_work.o CC lib/bitrev.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/pci/ttpci/built-in.o LD drivers/video/built-in.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/usb/b2c2/built-in.o HOSTCC lib/gen_crc32table CC drivers/pci/pci.o CC lib/syscall.o CC drivers/pci/search.o CC drivers/pci/pci-driver.o CC lib/strncpy_from_user.o LD drivers/media/pci/built-in.o CC lib/atomic64.o CC drivers/base/platform.o CC lib/strnlen_user.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC kernel/params.o CC lib/argv_split.o CC kernel/kthread.o LD drivers/media/usb/dvb-usb/built-in.o CC lib/chacha20.o LD drivers/media/usb/s2255/built-in.o LD drivers/media/usb/siano/built-in.o CC drivers/of/platform.o LD drivers/media/usb/stkwebcam/built-in.o CC drivers/of/fdt.o CC drivers/base/cpu.o CC lib/cmdline.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o CC lib/ctype.o LD drivers/media/usb/zr364xx/built-in.o CC lib/dec_and_lock.o CC drivers/pci/pci-sysfs.o LD drivers/media/usb/built-in.o CC lib/decompress.o CC lib/dump_stack.o CC lib/earlycpio.o CC lib/extable.o CC fs/fcntl.o CC lib/fdt.o CC lib/fdt_empty_tree.o CC drivers/char/misc.o CC drivers/base/firmware.o CC lib/fdt_ro.o CC drivers/pci/rom.o CC lib/fdt_rw.o CC lib/fdt_strerror.o CC lib/fdt_sw.o CC lib/fdt_wip.o LD drivers/media/built-in.o CC drivers/pci/setup-res.o CC lib/flex_proportions.o CC kernel/sys_ni.o CC lib/idr.o CC lib/ioremap.o CC lib/int_sqrt.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC drivers/of/fdt_address.o CC lib/klist.o CC kernel/nsproxy.o CC kernel/notifier.o CC kernel/ksysfs.o CC lib/kobject.o CC lib/kobject_uevent.o CC kernel/cred.o CC lib/md5.o CC lib/plist.o CC lib/nodemask.o CC lib/nmi_backtrace.o CC drivers/pci/irq.o CC lib/radix-tree.o CC lib/ratelimit.o CC kernel/reboot.o CC drivers/base/init.o CC lib/rbtree.o CC kernel/async.o CC lib/seq_buf.o LD mm/built-in.o CC kernel/range.o CC kernel/smpboot.o CC fs/ioctl.o CC lib/sha1.o CC drivers/pci/vpd.o CC drivers/of/address.o CC drivers/base/map.o CC drivers/pci/setup-bus.o CC lib/show_mem.o CC lib/siphash.o CC drivers/base/devres.o CC drivers/base/attribute_container.o CC lib/string.o CC lib/timerqueue.o CC fs/readdir.o CC lib/vsprintf.o CC drivers/pci/vc.o CC lib/win_minmax.o GEN lib/crc32table.h CC kernel/ucount.o CC lib/crc32.o CC drivers/base/transport_class.o LD kernel/livepatch/built-in.o LD drivers/char/agp/built-in.o CC drivers/base/topology.o CC drivers/base/container.o CC fs/select.o LD drivers/char/built-in.o CC kernel/irq/irqdesc.o CC kernel/power/qos.o CC kernel/printk/printk.o CC drivers/pci/syscall.o CC drivers/pci/of.o CC kernel/rcu/update.o CC kernel/locking/mutex.o CC kernel/rcu/sync.o CC kernel/rcu/tiny.o CC drivers/of/irq.o CC drivers/base/property.o CC drivers/of/of_pci.o LD drivers/pci/host/built-in.o CC kernel/dma.o CC drivers/base/cacheinfo.o CC drivers/base/dma-mapping.o CC kernel/up.o LD drivers/base/test/built-in.o LD drivers/base/power/built-in.o CC kernel/elfcore.o CC kernel/memremap.o CC kernel/sched/core.o CC kernel/time/timer.o CC kernel/locking/percpu-rwsem.o CC kernel/time/time.o CC kernel/sched/loadavg.o CC kernel/locking/rwsem.o CC kernel/locking/semaphore.o CC kernel/sched/clock.o CC kernel/time/hrtimer.o CC kernel/sched/cputime.o CC kernel/time/timekeeping.o CC kernel/time/ntp.o CC kernel/sched/idle_task.o CC kernel/time/clocksource.o CC kernel/sched/fair.o CC kernel/time/jiffies.o CC kernel/sched/rt.o CC kernel/time/timer_list.o CC kernel/sched/deadline.o CC kernel/irq/handle.o CC fs/inode.o CC fs/dcache.o CC fs/attr.o CC drivers/of/of_pci_irq.o CC kernel/locking/rwsem-xadd.o CC drivers/of/of_reserved_mem.o CC fs/bad_inode.o CC fs/file.o CC kernel/irq/manage.o CC kernel/irq/spurious.o CC kernel/sched/stop_task.o CC fs/filesystems.o CC kernel/sched/wait.o CC fs/namespace.o /home/kisskb/slave/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /home/kisskb/slave/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] CC kernel/sched/swait.o CC fs/seq_file.o CC kernel/sched/idle.o CC kernel/sched/completion.o CC kernel/time/timeconv.o LD kernel/rcu/built-in.o CC fs/xattr.o CC kernel/time/timecounter.o CC fs/libfs.o CC kernel/time/alarmtimer.o CC kernel/time/posix-stubs.o LD kernel/power/built-in.o CC fs/fs-writeback.o CC kernel/time/clockevents.o CC fs/pnode.o LD kernel/printk/built-in.o CC kernel/time/tick-common.o CC fs/splice.o CC fs/sync.o CC kernel/irq/resend.o CC fs/utimes.o CC kernel/irq/chip.o LD drivers/of/built-in.o CC fs/stack.o CC kernel/irq/dummychip.o CC kernel/irq/devres.o CC fs/fs_struct.o CC kernel/irq/irqdomain.o LD kernel/locking/built-in.o CC fs/statfs.o CC fs/fs_pin.o CC fs/nsfs.o CC fs/no-block.o LD fs/devpts/built-in.o LD fs/exofs/built-in.o LD fs/quota/built-in.o CC fs/binfmt_elf.o CC fs/ramfs/file-mmu.o CC fs/ramfs/inode.o LD drivers/base/built-in.o LD fs/notify/fanotify/built-in.o LD fs/notify/inotify/built-in.o LD fs/notify/dnotify/built-in.o LD fs/notify/built-in.o LD drivers/pci/built-in.o LD drivers/built-in.o LD kernel/irq/built-in.o LD kernel/sched/built-in.o AR lib/lib.a EXPORTS lib/lib-ksyms.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o LD lib/built-in.o LD kernel/time/built-in.o LD kernel/built-in.o LD fs/built-in.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux.o MODPOST vmlinux.o LD vmlinux SORTEX vmlinux SYSMAP System.map /opt/cross/kisskb/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/powerpc-next_powerpc-allnoconfig_powerpc' Completed OK # rm -rf /home/kisskb/slave/build/powerpc-next_powerpc-allnoconfig_powerpc # Build took: 0:00:11.900253