# git rev-parse -q --verify 8a70dd2669200ce83255ed8c5ebef7e59f9e8707^{commit} 8a70dd2669200ce83255ed8c5ebef7e59f9e8707 already have revision, skipping fetch # git checkout -q -f -B kisskb 8a70dd2669200ce83255ed8c5ebef7e59f9e8707 # git clean -qxdf # git log -1 commit 8a70dd2669200ce83255ed8c5ebef7e59f9e8707 Merge: 7f67786 ba2374f Author: Linus Torvalds Date: Thu Oct 22 06:32:48 2015 +0900 Merge tag 'for-linus-20151021' of git://git.infradead.org/intel-iommu Pull intel-iommu bugfix from David Woodhouse: "This contains a single fix, for when the IOMMU API is used to overlay an existing mapping comprised of 4KiB pages, with a mapping that can use superpages. For the *first* superpage in the new mapping, we were correctly¹ freeing the old bottom-level page table page and clearing the link to it, before installing the superpage. For subsequent superpages, however, we weren't. This causes a memory leak, and a warning about setting a PTE which is already set. ¹ Well, not *entirely* correctly. We just free the page table pages right there and then, which is wrong. In fact they should only be freed *after* the IOTLB is flushed so we know the hardware will no longer be looking at them.... and in fact I note that the IOTLB flush is completely missing from the intel_iommu_map() code path, although it needs to be there if it's permitted to overwrite existing mappings. Fixing those is somewhat more intrusive though, and will probably need to wait for 4.4 at this point" * tag 'for-linus-20151021' of git://git.infradead.org/intel-iommu: iommu/vt-d: fix range computation when making room for large pages # < /opt/cross/gcc-4.6.3-nolibc/sparc64-linux/bin/sparc64-linux-gcc --version # < git log --format=%s --max-count=1 8a70dd2669200ce83255ed8c5ebef7e59f9e8707 # < make -j 240 ARCH=sparc O=/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/sparc64-linux/bin/sparc64-linux- allnoconfig # make -j 240 ARCH=sparc O=/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/sparc64-linux/bin/sparc64-linux- make[1]: Entering directory `/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig make[1]: Leaving directory `/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64' make[1]: Entering directory `/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64' CHK include/config/kernel.release UPD include/config/kernel.release GEN ./Makefile WRAP arch/sparc/include/generated/asm/clkdev.h WRAP arch/sparc/include/generated/asm/cputime.h WRAP arch/sparc/include/generated/asm/div64.h WRAP arch/sparc/include/generated/asm/emergency-restart.h WRAP arch/sparc/include/generated/asm/exec.h WRAP arch/sparc/include/generated/asm/irq_regs.h WRAP arch/sparc/include/generated/asm/irq_work.h WRAP arch/sparc/include/generated/asm/linkage.h WRAP arch/sparc/include/generated/asm/local.h WRAP arch/sparc/include/generated/asm/local64.h WRAP arch/sparc/include/generated/asm/mcs_spinlock.h WRAP arch/sparc/include/generated/asm/mm-arch-hooks.h WRAP arch/sparc/include/generated/asm/module.h WRAP arch/sparc/include/generated/asm/mutex.h WRAP arch/sparc/include/generated/asm/preempt.h WRAP arch/sparc/include/generated/asm/serial.h WRAP arch/sparc/include/generated/asm/trace_clock.h WRAP arch/sparc/include/generated/asm/types.h WRAP arch/sparc/include/generated/asm/word-at-a-time.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 CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s 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/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/sparc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh :1259:2: warning: #warning syscall bind not implemented [-Wcpp] :1265:2: warning: #warning syscall listen not implemented [-Wcpp] :1274:2: warning: #warning syscall setsockopt not implemented [-Wcpp] :1298:2: warning: #warning syscall userfaultfd not implemented [-Wcpp] :1301:2: warning: #warning syscall membarrier not implemented [-Wcpp] CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/noinitramfs.o CC init/calibrate.o CC init/init_task.o LD usr/built-in.o UPD include/generated/compile.h CC init/version.o LD arch/sparc/crypto/built-in.o LD arch/sparc/net/built-in.o CC arch/sparc/math-emu/math_32.o CC arch/sparc/mm/fault_32.o CC arch/sparc/mm/init_32.o CC arch/sparc/mm/extable.o CC arch/sparc/mm/srmmu.o CC arch/sparc/mm/iommu.o CC arch/sparc/mm/io-unit.o AS arch/sparc/mm/hypersparc.o AS arch/sparc/mm/srmmu_access.o AS arch/sparc/mm/viking.o AS arch/sparc/mm/tsunami.o AS arch/sparc/mm/swift.o CC arch/sparc/mm/leon_mm.o CC arch/sparc/mm/highmem.o AS arch/sparc/kernel/entry.o AS arch/sparc/kernel/wof.o AS arch/sparc/kernel/wuf.o AS arch/sparc/kernel/etrap_32.o AS arch/sparc/kernel/rtrap_32.o CC arch/sparc/kernel/traps_32.o CC arch/sparc/kernel/irq_32.o CC arch/sparc/kernel/sun4m_irq.o CC arch/sparc/kernel/sun4d_irq.o CC arch/sparc/kernel/process_32.o CC arch/sparc/kernel/signal_32.o CC arch/sparc/kernel/sigutil_32.o LD certs/built-in.o CC arch/sparc/kernel/ioport.o CC arch/sparc/kernel/setup_32.o CC arch/sparc/kernel/idprom.o CC arch/sparc/kernel/sys_sparc_32.o CC arch/sparc/kernel/time_32.o AS arch/sparc/kernel/systbls_32.o CC arch/sparc/kernel/windows.o CC arch/sparc/kernel/cpu.o CC arch/sparc/kernel/devices.o CC arch/sparc/kernel/ptrace_32.o CC arch/sparc/kernel/unaligned_32.o AS arch/sparc/kernel/una_asm_32.o CC arch/sparc/kernel/prom_common.o CC arch/sparc/kernel/prom_32.o CC arch/sparc/kernel/of_device_32.o CC arch/sparc/kernel/of_device_common.o CC arch/sparc/kernel/leon_kernel.o CC arch/sparc/kernel/leon_pmc.o CC arch/sparc/kernel/dma.o CC arch/sparc/kernel/auxio_32.o CC arch/sparc/kernel/apc.o CC arch/sparc/kernel/pmc.o AS arch/sparc/kernel/head_32.o LDS arch/sparc/kernel/vmlinux.lds CC kernel/fork.o CC kernel/exec_domain.o CC kernel/panic.o CC kernel/cpu.o CC kernel/exit.o CC kernel/softirq.o CC kernel/resource.o CC kernel/sysctl.o CC kernel/sysctl_binary.o CC kernel/capability.o CC kernel/ptrace.o CC kernel/user.o CC kernel/signal.o CC kernel/sys.o CC kernel/kmod.o CC kernel/workqueue.o CC kernel/pid.o CC kernel/task_work.o CC kernel/extable.o CC kernel/params.o CC kernel/kthread.o CC kernel/sys_ni.o CC kernel/nsproxy.o CC kernel/notifier.o CC kernel/ksysfs.o CC kernel/cred.o CC kernel/reboot.o CC kernel/async.o CC kernel/range.o CC kernel/smpboot.o CC mm/filemap.o LD kernel/livepatch/built-in.o CC mm/mempool.o CC mm/oom_kill.o CC mm/maccess.o CC kernel/dma.o CC kernel/up.o CC mm/page_alloc.o CC mm/page-writeback.o CC kernel/rcu/update.o CC kernel/power/qos.o CC kernel/printk/printk.o CC kernel/rcu/tiny.o CC kernel/memremap.o CC mm/readahead.o LD ipc/built-in.o CC mm/swap.o CC mm/truncate.o CC mm/vmscan.o CC mm/shmem.o CC kernel/locking/mutex.o CC mm/util.o CC mm/mmzone.o CC kernel/irq/irqdesc.o CC kernel/locking/semaphore.o CC kernel/irq/handle.o CC mm/vmstat.o CC kernel/locking/rwsem.o CC mm/mm_init.o CC mm/mmu_context.o CC kernel/irq/spurious.o CC kernel/locking/percpu-rwsem.o CC mm/backing-dev.o CC kernel/irq/manage.o CC mm/percpu.o CC kernel/irq/resend.o CC kernel/sched/core.o CC kernel/sched/loadavg.o CC kernel/locking/rwsem-spinlock.o CC kernel/irq/chip.o CC mm/slab_common.o CC kernel/irq/dummychip.o CC kernel/sched/clock.o CC kernel/irq/devres.o CC mm/compaction.o CC kernel/sched/cputime.o CC mm/vmacache.o CC mm/interval_tree.o CC kernel/time/time.o CC kernel/sched/idle_task.o CC fs/open.o CC kernel/sched/fair.o CC kernel/time/timer.o CC fs/read_write.o CC fs/file_table.o CC kernel/sched/rt.o CC mm/workingset.o CC kernel/time/itimer.o CC fs/super.o CC kernel/time/hrtimer.o CC fs/char_dev.o CC mm/list_lru.o CC fs/stat.o CC kernel/time/posix-timers.o CC mm/debug.o CC kernel/sched/deadline.o CC kernel/time/posix-cpu-timers.o CC security/commoncap.o CC fs/exec.o CC kernel/time/timekeeping.o CC fs/pipe.o CC mm/gup.o CC kernel/sched/stop_task.o CC fs/namei.o CC kernel/time/ntp.o CC security/min_addr.o CC fs/fcntl.o CC kernel/time/timer_list.o CC kernel/time/clocksource.o CC kernel/sched/wait.o CC fs/ioctl.o CC mm/highmem.o CC kernel/time/jiffies.o CC kernel/time/timeconv.o CC fs/readdir.o CC fs/select.o CC kernel/sched/completion.o CC mm/memory.o CC fs/dcache.o CC mm/mincore.o CC kernel/time/timecounter.o CC kernel/sched/idle.o CC fs/inode.o CC kernel/time/posix-clock.o CC mm/mlock.o CC fs/attr.o CC mm/mmap.o CC fs/bad_inode.o CC kernel/time/alarmtimer.o CC kernel/time/clockevents.o CC fs/file.o CC kernel/time/tick-common.o CC mm/mremap.o CC fs/filesystems.o CC fs/namespace.o CC mm/mprotect.o CC mm/msync.o CC fs/seq_file.o CC fs/xattr.o CC mm/rmap.o CC mm/vmalloc.o CC fs/libfs.o CC mm/pagewalk.o CC fs/fs-writeback.o CC mm/pgtable-generic.o CC fs/pnode.o CC mm/init-mm.o CC mm/bootmem.o CC fs/splice.o CC mm/dmapool.o CC mm/slub.o CC fs/sync.o LD crypto/built-in.o CC fs/utimes.o CC fs/stack.o CC fs/fs_struct.o CC fs/statfs.o CC fs/fs_pin.o CC fs/nsfs.o CC fs/no-block.o LD fs/exofs/built-in.o LD fs/devpts/built-in.o LD fs/quota/built-in.o LD block/built-in.o CC fs/ramfs/inode.o CC fs/ramfs/file-mmu.o LD fs/notify/dnotify/built-in.o LD fs/notify/fanotify/built-in.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o LD init/mounts.o LD kernel/rcu/built-in.o LD sound/built-in.o LD kernel/locking/built-in.o LD init/built-in.o LD firmware/built-in.o LD net/built-in.o LD kernel/power/built-in.o LD arch/sparc/kernel/built-in.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o LD drivers/cdrom/built-in.o LD drivers/block/built-in.o LD drivers/clk/built-in.o LD drivers/bus/built-in.o LD drivers/idle/built-in.o LD drivers/clocksource/built-in.o LD drivers/leds/built-in.o LD drivers/irqchip/built-in.o LD drivers/macintosh/built-in.o LD drivers/gpio/built-in.o LD drivers/firewire/built-in.o LD drivers/lguest/built-in.o LD drivers/net/built-in.o LD drivers/mfd/built-in.o LD drivers/nfc/built-in.o LD drivers/mmc/built-in.o LD drivers/platform/built-in.o LD drivers/pwm/built-in.o LD drivers/soc/built-in.o CC drivers/char/mem.o LD drivers/hsi/controllers/built-in.o CC drivers/char/random.o LD drivers/hsi/clients/built-in.o CC drivers/char/misc.o CC drivers/of/base.o LD drivers/sbus/char/built-in.o CC drivers/of/device.o LD drivers/gpu/vga/built-in.o CC drivers/rtc/rtc-lib.o LD drivers/i2c/algos/built-in.o CC drivers/rtc/systohc.o CC drivers/of/platform.o LD drivers/i2c/busses/built-in.o CC drivers/rtc/class.o LD drivers/char/agp/built-in.o LD drivers/firmware/broadcom/built-in.o CC drivers/rtc/interface.o LD drivers/hsi/built-in.o CC drivers/of/pdt.o LD drivers/i2c/muxes/built-in.o CC drivers/rtc/rtc-m48t59.o LD drivers/tty/ipwireless/built-in.o LD drivers/sbus/built-in.o LD drivers/tty/serial/built-in.o LD arch/sparc/mm/built-in.o LD drivers/video/backlight/built-in.o LD drivers/tty/vt/built-in.o LD drivers/firmware/built-in.o LD drivers/i2c/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/misc/ti-st/built-in.o CC drivers/base/component.o LD drivers/tty/built-in.o CC drivers/base/core.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/bridge/built-in.o LD arch/sparc/prom/built-in.o CC drivers/base/dd.o CC drivers/base/bus.o CC drivers/base/syscore.o CC arch/sparc/prom/bootstr_32.o CC drivers/base/driver.o LD drivers/media/firewire/built-in.o CC drivers/video/fbdev/core/fb_notify.o LD drivers/misc/mic/bus/built-in.o CC arch/sparc/prom/console_32.o CC drivers/base/class.o CC arch/sparc/prom/init_32.o LD drivers/media/tuners/built-in.o CC drivers/base/platform.o CC drivers/base/cpu.o LD drivers/gpu/drm/built-in.o CC arch/sparc/prom/memory.o CC drivers/base/firmware.o LD drivers/misc/mic/built-in.o CC arch/sparc/prom/misc_32.o CC drivers/base/init.o LD drivers/media/mmc/siano/built-in.o CC arch/sparc/prom/mp.o LD drivers/video/fbdev/omap2/displays-new/built-in.o LD drivers/video/fbdev/omap2/dss/built-in.o CC drivers/base/map.o CC arch/sparc/prom/printf.o LD drivers/media/i2c/soc_camera/built-in.o LD drivers/media/rc/keymaps/built-in.o LD drivers/misc/built-in.o LD kernel/printk/built-in.o CC arch/sparc/prom/ranges.o LD drivers/media/mmc/built-in.o CC drivers/base/devres.o LD drivers/gpu/built-in.o CC arch/sparc/prom/tree_32.o CC lib/lockref.o LD drivers/video/fbdev/omap2/built-in.o LD drivers/media/platform/omap/built-in.o CC drivers/base/attribute_container.o LD drivers/media/rc/built-in.o LD drivers/media/i2c/built-in.o LD drivers/media/common/b2c2/built-in.o LD drivers/media/common/siano/built-in.o CC lib/bcd.o CC drivers/base/transport_class.o LD drivers/media/common/saa7146/built-in.o CC lib/div64.o CC lib/sort.o CC drivers/base/topology.o LD drivers/media/platform/built-in.o CC drivers/base/container.o CC lib/parser.o CC drivers/base/property.o CC lib/halfmd4.o LD drivers/media/common/built-in.o CC lib/debug_locks.o CC drivers/base/cacheinfo.o CC lib/random32.o CC lib/bust_spinlocks.o CC drivers/base/dma-mapping.o LD drivers/base/power/built-in.o CC lib/kasprintf.o CC arch/sparc/lib/atomic32.o CC arch/sparc/lib/ucmpdi2.o LD drivers/media/usb/b2c2/built-in.o CC lib/bitmap.o CC arch/sparc/lib/ksyms.o CC lib/scatterlist.o LD drivers/media/usb/dvb-usb/built-in.o AS arch/sparc/lib/ashldi3.o AS arch/sparc/lib/ashrdi3.o LD drivers/media/usb/s2255/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC lib/gcd.o CC arch/sparc/lib/bitext.o LD drivers/media/usb/siano/built-in.o CC lib/lcm.o AS arch/sparc/lib/blockops.o LD drivers/media/usb/ttusb-budget/built-in.o CC lib/list_sort.o LD drivers/media/usb/stkwebcam/built-in.o AS arch/sparc/lib/checksum_32.o CC arch/sparc/lib/cmpdi2.o LD drivers/media/usb/zr364xx/built-in.o CC lib/uuid.o LD drivers/media/pci/b2c2/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o CC lib/flex_array.o AS arch/sparc/lib/copy_user.o CC lib/iov_iter.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/pci/mantis/built-in.o LD drivers/media/pci/netup_unidvb/built-in.o CC lib/clz_ctz.o LD drivers/media/pci/dm1105/built-in.o AS arch/sparc/lib/divdi3.o CC lib/bsearch.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/ngene/built-in.o CC lib/find_bit.o AS arch/sparc/lib/locks.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/usb/built-in.o LD drivers/media/pci/pt1/built-in.o CC lib/llist.o LD drivers/media/pci/smipcie/built-in.o LD kernel/irq/built-in.o AS arch/sparc/lib/lshrdi3.o LD drivers/media/pci/pluto2/built-in.o LD drivers/media/pci/ttpci/built-in.o CC lib/memweight.o AS arch/sparc/lib/memcmp.o AS arch/sparc/lib/memcpy.o AS arch/sparc/lib/memscan_32.o AS arch/sparc/lib/memset.o CC lib/kfifo.o AS arch/sparc/lib/muldi3.o AS arch/sparc/lib/strlen.o AS arch/sparc/lib/strncmp_32.o AS arch/sparc/lib/udivdi3.o LD drivers/media/pci/built-in.o CC lib/percpu-refcount.o CC lib/percpu_ida.o CC lib/rhashtable.o LD fs/ramfs/ramfs.o CC lib/reciprocal_div.o CC lib/string_helpers.o LD fs/ramfs/built-in.o CC lib/hexdump.o CC lib/kstrtox.o CC lib/pci_iomap.o CC lib/iomap_copy.o CC lib/devres.o CC lib/hweight.o CC lib/syscall.o CC lib/atomic64.o CC lib/clz_tab.o CC lib/strncpy_from_user.o LD drivers/media/built-in.o CC lib/strnlen_user.o CC lib/argv_split.o CC lib/cmdline.o CC lib/ctype.o CC lib/dec_and_lock.o CC lib/decompress.o CC lib/dump_stack.o CC lib/earlycpio.o CC lib/extable.o CC lib/flex_proportions.o CC lib/idr.o CC lib/int_sqrt.o CC lib/ioremap.o CC lib/irq_regs.o CC lib/klist.o CC lib/is_single_threaded.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 CC lib/ratelimit.o CC lib/rbtree.o CC lib/seq_buf.o CC lib/show_mem.o AR arch/sparc/lib/lib.a CC lib/sha1.o CC lib/string.o CC lib/timerqueue.o CC lib/vsprintf.o LD security/built-in.o LD drivers/video/fbdev/core/built-in.o LD arch/sparc/lib/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/video/built-in.o AR arch/sparc/prom/lib.a LD drivers/rtc/rtc-core.o LD drivers/rtc/built-in.o LD drivers/char/built-in.o LD kernel/time/built-in.o LD drivers/of/built-in.o LD kernel/sched/built-in.o LD kernel/built-in.o LD drivers/base/built-in.o LD drivers/built-in.o LD mm/built-in.o LD lib/built-in.o LD fs/built-in.o AR lib/lib.a LD arch/sparc/math-emu/built-in.o LD arch/sparc/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 STRIP arch/sparc/boot/image kernel: arch/sparc/boot/image is ready STRIP arch/sparc/boot/zImage kernel: arch/sparc/boot/zImage is ready make[1]: Leaving directory `/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64' Completed OK # rm -rf /home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64 # Build took: 0:00:20.209836