# git rev-parse -q --verify a94fb309b2df401d7aaf002cb53ffedb65b2c6b9^{commit} a94fb309b2df401d7aaf002cb53ffedb65b2c6b9 already have revision, skipping fetch # git checkout -q -f -B kisskb a94fb309b2df401d7aaf002cb53ffedb65b2c6b9 # git clean -qxdf # git log -1 commit a94fb309b2df401d7aaf002cb53ffedb65b2c6b9 Author: Alistair Popple Date: Tue Jun 20 18:37:28 2017 +1000 powerpc/powernv/npu-dma: Add explicit flush when sending an ATSD NPU2 requires an extra explicit flush to an active GPU PID when sending address translation shoot downs (ATSDs) to reliably flush the GPU TLB. This patch adds just such a flush at the end of each sequence of ATSDs. We can safely use PID 0 which is always reserved and active on the GPU. PID 0 is only used for init_mm which will never be a user mm on the GPU. To enforce this we add a check in pnv_npu2_init_context() just in case someone tries to use PID 0 on the GPU. Signed-off-by: Alistair Popple Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 a94fb309b2df401d7aaf002cb53ffedb65b2c6b9 # < make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- allnoconfig # make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- make[1]: Entering directory '/home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc-5.3' 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 HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/livetree.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o CHK scripts/mod/devicetable-offsets.h UPD scripts/mod/devicetable-offsets.h HOSTCC scripts/dtc/util.o MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.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-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.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 CC init/do_mounts.o LD usr/built-in.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 LD arch/powerpc/sysdev/built-in.o AS arch/powerpc/lib/string.o LD arch/powerpc/platforms/built-in.o CC arch/powerpc/kernel/cputable.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/lib/alloc.o LD arch/powerpc/crypto/built-in.o LD arch/powerpc/net/built-in.o LD certs/built-in.o CC kernel/fork.o CC mm/filemap.o CC kernel/exec_domain.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/kernel/syscalls.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/lib/feature-fixups.o CC kernel/panic.o LD init/mounts.o LD init/built-in.o CC kernel/cpu.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/mm/init_32.o AS arch/powerpc/lib/div64.o AS arch/powerpc/lib/copy_32.o CC arch/powerpc/kernel/align.o AS arch/powerpc/lib/checksum_32.o CC kernel/exit.o CC arch/powerpc/lib/checksum_wrappers.o CC kernel/softirq.o CC arch/powerpc/kernel/signal_32.o LD arch/powerpc/lib/built-in.o CC kernel/resource.o CC mm/mempool.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/mm/init-common.o CC arch/powerpc/mm/ppc_mmu_32.o AS arch/powerpc/mm/hash_low_32.o CC fs/open.o CC fs/read_write.o CC fs/file_table.o CC fs/super.o CC mm/oom_kill.o CC fs/char_dev.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/mm/tlb_hash32.o CC kernel/sysctl.o CC kernel/sysctl_binary.o CC kernel/capability.o CC kernel/ptrace.o CC arch/powerpc/kernel/process.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/mm/hugetlbpage.o CC mm/maccess.o CC arch/powerpc/kernel/idle.o CC arch/powerpc/kernel/signal.o CC mm/page_alloc.o CC mm/page-writeback.o LD ipc/built-in.o CC mm/readahead.o CC fs/stat.o LD arch/powerpc/mm/built-in.o CC fs/exec.o CC fs/pipe.o CC fs/namei.o CC fs/fcntl.o CC arch/powerpc/kernel/sysfs.o CC kernel/user.o CC kernel/signal.o CC kernel/sys.o CC kernel/kmod.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC mm/swap.o CC kernel/workqueue.o CC security/commoncap.o CC mm/truncate.o CC fs/ioctl.o CC arch/powerpc/kernel/prom.o CC fs/readdir.o CC security/min_addr.o CC fs/select.o CC mm/vmscan.o LD block/built-in.o CC arch/powerpc/kernel/traps.o LD crypto/built-in.o CC mm/shmem.o CC mm/util.o LD security/built-in.o CC mm/mmzone.o CC mm/vmstat.o CC mm/backing-dev.o CC mm/mm_init.o CC kernel/pid.o CC kernel/task_work.o CC kernel/extable.o CC kernel/params.o CC arch/powerpc/kernel/setup-common.o CC arch/powerpc/kernel/udbg.o CC mm/mmu_context.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 fs/dcache.o CC arch/powerpc/kernel/of_platform.o CC fs/inode.o CC fs/attr.o CC fs/bad_inode.o CC kernel/kthread.o CC arch/powerpc/kernel/prom_parse.o CC mm/percpu.o LD arch/powerpc/kernel/trace/built-in.o LD sound/built-in.o CC mm/slab_common.o AS arch/powerpc/kernel/idle_6xx.o LDS arch/powerpc/kernel/vdso32/vdso32.lds CC fs/file.o VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o CC drivers/base/component.o LD firmware/built-in.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o CC fs/filesystems.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o VDSO32A arch/powerpc/kernel/vdso32/note.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o CC fs/namespace.o LD arch/powerpc/kernel/vdso32/built-in.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 kernel/sys_ni.o CC kernel/nsproxy.o CC drivers/base/core.o CC drivers/base/bus.o CC drivers/base/dd.o CC kernel/notifier.o CC mm/compaction.o CC mm/vmacache.o CC arch/powerpc/kernel/pci_32.o CC arch/powerpc/kernel/pci-common.o CC drivers/base/syscore.o CC kernel/ksysfs.o CC kernel/cred.o CC mm/swap_slots.o CC mm/interval_tree.o CC drivers/base/driver.o LD net/built-in.o CC drivers/base/class.o CC mm/list_lru.o CC fs/seq_file.o CC lib/lockref.o CC lib/bcd.o CC arch/powerpc/kernel/pci_of_scan.o CC kernel/reboot.o CC kernel/async.o LD virt/lib/built-in.o LD virt/built-in.o CC kernel/range.o CC lib/div64.o CC drivers/base/platform.o CC drivers/base/cpu.o CC mm/workingset.o CC mm/debug.o CC lib/sort.o CC lib/parser.o CC kernel/smpboot.o CC kernel/ucount.o CC arch/powerpc/kernel/iomap.o AS arch/powerpc/kernel/head_32.o CC fs/xattr.o CC fs/libfs.o CC lib/debug_locks.o CC lib/random32.o CC lib/bust_spinlocks.o CC lib/kasprintf.o CC mm/gup.o CC kernel/irq/irqdesc.o CC kernel/irq/handle.o LDS arch/powerpc/kernel/vmlinux.lds CC drivers/base/firmware.o LD kernel/livepatch/built-in.o CC drivers/base/init.o CC kernel/irq/manage.o AS arch/powerpc/kernel/fpu.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o LD arch/powerpc/kernel/built-in.o CC kernel/irq/spurious.o CC lib/bitmap.o CC drivers/base/map.o CC kernel/locking/mutex.o CC kernel/locking/semaphore.o CC kernel/locking/rwsem.o CC kernel/locking/percpu-rwsem.o CC lib/scatterlist.o CC lib/gcd.o CC drivers/base/devres.o CC fs/fs-writeback.o CC fs/pnode.o CC mm/highmem.o LD drivers/block/built-in.o CC kernel/irq/resend.o LD drivers/bus/built-in.o CC kernel/locking/rwsem-xadd.o CC drivers/base/attribute_container.o CC kernel/irq/chip.o CC mm/memory.o CC fs/splice.o CC kernel/irq/dummychip.o CC fs/sync.o LD kernel/locking/built-in.o CC kernel/power/qos.o CC drivers/base/transport_class.o CC lib/lcm.o CC lib/list_sort.o CC drivers/base/topology.o CC lib/uuid.o CC drivers/base/container.o CC lib/flex_array.o CC lib/iov_iter.o CC kernel/irq/devres.o CC kernel/irq/irqdomain.o CC mm/mincore.o CC drivers/base/property.o CC lib/clz_ctz.o CC lib/bsearch.o LD kernel/power/built-in.o CC mm/mlock.o CC kernel/printk/printk.o CC lib/find_bit.o CC kernel/rcu/update.o LD drivers/cdrom/built-in.o CC drivers/base/cacheinfo.o LD kernel/irq/built-in.o CC lib/llist.o CC fs/utimes.o CC lib/memweight.o CC kernel/rcu/sync.o CC mm/mmap.o CC mm/mprotect.o CC kernel/rcu/srcutiny.o LD kernel/printk/built-in.o CC mm/mremap.o CC lib/kfifo.o CC lib/percpu-refcount.o CC lib/percpu_ida.o CC fs/stack.o LD drivers/base/power/built-in.o LD drivers/base/test/built-in.o CC drivers/base/dma-mapping.o CC kernel/rcu/tiny.o CC kernel/rcu/rcu_segcblist.o CC lib/rhashtable.o CC fs/fs_struct.o CC lib/reciprocal_div.o CC mm/msync.o CC mm/page_vma_mapped.o CC mm/pagewalk.o CC drivers/char/mem.o LD drivers/char/ipmi/built-in.o CC kernel/sched/core.o LD kernel/rcu/built-in.o CC kernel/sched/loadavg.o CC fs/statfs.o LD drivers/base/built-in.o CC fs/fs_pin.o CC drivers/char/random.o CC drivers/char/misc.o CC lib/once.o CC lib/refcount.o CC lib/usercopy.o CC mm/pgtable-generic.o CC mm/rmap.o CC fs/nsfs.o CC mm/vmalloc.o CC mm/init-mm.o CC mm/nobootmem.o CC lib/string_helpers.o LD drivers/char/agp/built-in.o CC kernel/sched/clock.o CC kernel/sched/cputime.o CC fs/no-block.o LD fs/devpts/built-in.o LD drivers/clk/bcm/built-in.o LD drivers/clk/mvebu/built-in.o LD drivers/clk/ti/built-in.o LD drivers/clk/built-in.o LD fs/exofs/built-in.o CC lib/hexdump.o LD drivers/clocksource/built-in.o CC lib/kstrtox.o LD drivers/char/built-in.o LD fs/notify/dnotify/built-in.o LD drivers/firewire/built-in.o LD fs/notify/fanotify/built-in.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o LD drivers/firmware/broadcom/built-in.o LD fs/quota/built-in.o CC kernel/sched/idle_task.o LD drivers/firmware/meson/built-in.o LD drivers/firmware/tegra/built-in.o CC fs/binfmt_elf.o CC fs/ramfs/inode.o LD drivers/firmware/built-in.o LD drivers/gpu/drm/bridge/synopsys/built-in.o LD drivers/gpu/drm/bridge/built-in.o LD drivers/gpu/drm/hisilicon/built-in.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/gpu/drm/omapdrm/displays/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/gpu/drm/omapdrm/built-in.o CC fs/ramfs/file-mmu.o LD drivers/hwtracing/intel_th/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o CC lib/pci_iomap.o LD drivers/gpu/drm/built-in.o LD drivers/gpu/vga/built-in.o LD drivers/gpu/built-in.o LD drivers/i2c/algos/built-in.o LD drivers/i2c/busses/built-in.o LD drivers/i2c/muxes/built-in.o LD drivers/i2c/built-in.o LD drivers/idle/built-in.o CC drivers/irqchip/irqchip.o CC lib/iomap_copy.o CC lib/devres.o CC lib/hweight.o CC lib/bitrev.o CC kernel/sched/fair.o HOSTCC lib/gen_crc32table CC kernel/sched/rt.o LD drivers/irqchip/built-in.o LD fs/ramfs/ramfs.o CC mm/memblock.o LD fs/ramfs/built-in.o LD drivers/lguest/built-in.o CC lib/syscall.o LD drivers/macintosh/built-in.o CC kernel/time/time.o LD drivers/media/common/b2c2/built-in.o LD drivers/media/common/saa7146/built-in.o LD drivers/media/common/siano/built-in.o CC lib/atomic64.o LD drivers/media/common/v4l2-tpg/built-in.o LD drivers/media/common/built-in.o CC kernel/time/timer.o LD drivers/media/firewire/built-in.o LD drivers/media/i2c/soc_camera/built-in.o LD drivers/media/i2c/built-in.o LD drivers/media/mmc/siano/built-in.o LD drivers/media/mmc/built-in.o LD drivers/media/pci/b2c2/built-in.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/mantis/built-in.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/pci/pluto2/built-in.o CC kernel/dma.o LD fs/built-in.o LD drivers/media/pci/pt1/built-in.o LD drivers/media/pci/pt3/built-in.o LD drivers/mfd/built-in.o CC mm/dmapool.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/pci/smipcie/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/media/pci/ttpci/built-in.o CC lib/strncpy_from_user.o LD drivers/media/pci/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/misc/mic/bus/built-in.o LD drivers/misc/mic/built-in.o LD drivers/media/platform/omap/built-in.o LD drivers/media/platform/built-in.o LD drivers/misc/ti-st/built-in.o LD drivers/misc/built-in.o LD drivers/media/rc/keymaps/built-in.o CC mm/slub.o LD drivers/media/rc/built-in.o LD drivers/media/spi/built-in.o LD drivers/media/tuners/built-in.o LD drivers/media/usb/b2c2/built-in.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/media/usb/s2255/built-in.o LD drivers/media/usb/siano/built-in.o LD drivers/media/usb/stkwebcam/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/usb/built-in.o CC kernel/sched/deadline.o LD drivers/media/built-in.o CC lib/strnlen_user.o CC kernel/sched/stop_task.o LD drivers/mmc/built-in.o LD drivers/net/phy/built-in.o LD drivers/net/built-in.o LD drivers/nfc/built-in.o LD drivers/nvme/host/built-in.o LD drivers/nvme/target/built-in.o LD drivers/nvme/built-in.o CC drivers/of/base.o CC drivers/of/device.o CC drivers/of/platform.o CC lib/argv_split.o CC kernel/up.o CC kernel/time/hrtimer.o CC kernel/elfcore.o CC kernel/memremap.o CC lib/chacha20.o CC lib/cmdline.o CC kernel/sched/wait.o CC kernel/sched/swait.o CC kernel/sched/completion.o CC kernel/sched/idle.o CC lib/ctype.o CC lib/dec_and_lock.o CC lib/decompress.o CC drivers/of/fdt.o CC lib/dump_stack.o CC drivers/of/fdt_address.o CC lib/earlycpio.o CC lib/extable.o LD drivers/pci/dwc/built-in.o CC lib/fdt.o CC drivers/pci/access.o CC lib/fdt_empty_tree.o LD mm/built-in.o CC lib/fdt_ro.o CC kernel/time/timekeeping.o CC kernel/time/ntp.o CC kernel/time/clocksource.o CC drivers/pci/bus.o CC kernel/time/jiffies.o CC kernel/time/timer_list.o LD kernel/sched/built-in.o CC kernel/time/timeconv.o CC lib/fdt_rw.o CC drivers/of/address.o LD drivers/platform/built-in.o LD drivers/power/built-in.o LD drivers/ptp/built-in.o CC drivers/of/irq.o CC drivers/of/of_pci.o CC lib/fdt_strerror.o CC drivers/of/of_pci_irq.o CC lib/fdt_sw.o CC drivers/of/of_reserved_mem.o LD drivers/pwm/built-in.o CC kernel/time/timecounter.o CC kernel/time/alarmtimer.o CC lib/fdt_wip.o CC drivers/pci/probe.o CC kernel/time/posix-stubs.o CC lib/flex_proportions.o CC lib/idr.o CC drivers/pci/host-bridge.o CC kernel/time/clockevents.o LD drivers/soc/bcm/built-in.o CC lib/int_sqrt.o LD drivers/soc/fsl/built-in.o LD drivers/soc/built-in.o CC lib/ioremap.o CC lib/irq_regs.o LD drivers/of/built-in.o CC lib/is_single_threaded.o CC lib/klist.o CC drivers/pci/remove.o CC lib/kobject.o CC drivers/pci/pci.o CC drivers/pci/pci-driver.o CC drivers/pci/search.o CC kernel/time/tick-common.o CC drivers/pci/pci-sysfs.o CC drivers/pci/rom.o CC drivers/pci/setup-res.o CC lib/kobject_uevent.o CC lib/nmi_backtrace.o CC lib/nodemask.o LD drivers/usb/built-in.o LD drivers/tty/ipwireless/built-in.o CC drivers/pci/irq.o LD kernel/time/built-in.o LD drivers/tty/serial/built-in.o LD kernel/built-in.o LD drivers/tty/vt/built-in.o LD drivers/tty/built-in.o CC lib/plist.o CC lib/radix-tree.o CC lib/ratelimit.o CC drivers/pci/vpd.o LD drivers/video/backlight/built-in.o CC lib/rbtree.o CC drivers/pci/setup-bus.o LD drivers/video/fbdev/core/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD drivers/video/fbdev/omap2/omapfb/built-in.o LD drivers/video/fbdev/omap2/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/video/built-in.o CC drivers/pci/vc.o CC drivers/pci/mmap.o CC drivers/pci/syscall.o CC drivers/pci/of.o CC lib/seq_buf.o CC lib/sha1.o LD drivers/pci/host/built-in.o CC lib/show_mem.o CC lib/siphash.o LD drivers/pci/switch/built-in.o CC lib/string.o CC lib/timerqueue.o CC lib/vsprintf.o CC lib/win_minmax.o GEN lib/crc32table.h CC lib/crc32.o LD drivers/pci/built-in.o LD drivers/built-in.o AR lib/lib.a EXPORTS lib/lib-ksyms.o LD lib/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-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-strip -s -R .comment vmlinux -o arch/powerpc/boot/vmlinux.strip make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc-5.3' Completed OK # rm -rf /home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc-5.3 # Build took: 0:00:27.749153