# git rev-parse -q --verify 95803812cfb3ece8ee1bb3747611ead48300fca2^{commit} 95803812cfb3ece8ee1bb3747611ead48300fca2 already have revision, skipping fetch # git checkout -q -f -B kisskb 95803812cfb3ece8ee1bb3747611ead48300fca2 # git clean -qxdf # git log -1 commit 95803812cfb3ece8ee1bb3747611ead48300fca2 Merge: f9ed72d 126c69a Author: Linus Torvalds Date: Thu Aug 27 11:12:41 2015 -0700 Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull amr64 kvm fix from Will Deacon: "We've uncovered a nasty bug in the arm64 KVM code which allows a badly behaved 32-bit guest to bring down the host. The fix is simple (it's what I believe we call a "brown paper bag" bug) and I don't think it makes sense to sit on this, particularly as Russell ended up triggering this rather than just somebody noticing a potential problem by inspection. Usually arm64 KVM changes would go via Paolo's tree, but he's on holiday at the moment and the deal is that anything urgent gets shuffled via the arch trees, so here it is. Summary: Fix arm64 KVM issue when injecting an abort into a 32-bit guest, which would lead to an illegal exception return at EL2 and a subsequent host crash" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: KVM: Fix host crash when injecting a fault into a 32bit guest # < /opt/cross/gcc-4.6.3-nolibc/xtensa-linux/bin/xtensa-linux-gcc --version # < git log --format=%s --max-count=1 95803812cfb3ece8ee1bb3747611ead48300fca2 # < make -j 48 ARCH=xtensa O=/home/kisskb/slave/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/xtensa-linux/bin/xtensa-linux- allnoconfig # make -j 48 ARCH=xtensa O=/home/kisskb/slave/build/linus_xtensa-allnoconfig_xtensa CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/xtensa-linux/bin/xtensa-linux- make[1]: Entering directory '/home/kisskb/slave/build/linus_xtensa-allnoconfig_xtensa' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release UPD include/config/kernel.release GEN ./Makefile WRAP arch/xtensa/include/generated/asm/bug.h WRAP arch/xtensa/include/generated/asm/bitsperlong.h WRAP arch/xtensa/include/generated/asm/clkdev.h WRAP arch/xtensa/include/generated/asm/device.h WRAP arch/xtensa/include/generated/asm/cputime.h WRAP arch/xtensa/include/generated/asm/div64.h WRAP arch/xtensa/include/generated/asm/errno.h WRAP arch/xtensa/include/generated/asm/emergency-restart.h WRAP arch/xtensa/include/generated/asm/exec.h WRAP arch/xtensa/include/generated/asm/fcntl.h WRAP arch/xtensa/include/generated/asm/hardirq.h WRAP arch/xtensa/include/generated/asm/ioctl.h WRAP arch/xtensa/include/generated/asm/irq_regs.h WRAP arch/xtensa/include/generated/asm/irq_work.h WRAP arch/xtensa/include/generated/asm/kdebug.h WRAP arch/xtensa/include/generated/asm/kmap_types.h WRAP arch/xtensa/include/generated/asm/linkage.h WRAP arch/xtensa/include/generated/asm/kvm_para.h WRAP arch/xtensa/include/generated/asm/percpu.h WRAP arch/xtensa/include/generated/asm/local.h WRAP arch/xtensa/include/generated/asm/local64.h WRAP arch/xtensa/include/generated/asm/sections.h WRAP arch/xtensa/include/generated/asm/resource.h WRAP arch/xtensa/include/generated/asm/siginfo.h WRAP arch/xtensa/include/generated/asm/preempt.h WRAP arch/xtensa/include/generated/asm/mcs_spinlock.h WRAP arch/xtensa/include/generated/asm/statfs.h WRAP arch/xtensa/include/generated/asm/mm-arch-hooks.h WRAP arch/xtensa/include/generated/asm/termios.h WRAP arch/xtensa/include/generated/asm/topology.h WRAP arch/xtensa/include/generated/asm/trace_clock.h WRAP arch/xtensa/include/generated/asm/xor.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 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/xtensa/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 CC init/noinitramfs.o CC init/init_task.o LD usr/built-in.o UPD include/generated/compile.h CC init/version.o AS arch/xtensa/kernel/align.o AS arch/xtensa/kernel/coprocessor.o AS arch/xtensa/kernel/entry.o CC arch/xtensa/kernel/irq.o CC arch/xtensa/kernel/pci-dma.o CC arch/xtensa/kernel/platform.o CC arch/xtensa/kernel/process.o CC arch/xtensa/kernel/ptrace.o CC arch/xtensa/kernel/setup.o CC arch/xtensa/kernel/signal.o CC arch/xtensa/kernel/stacktrace.o CC arch/xtensa/kernel/syscall.o CC arch/xtensa/mm/init.o CC arch/xtensa/kernel/traps.o AS arch/xtensa/mm/misc.o CC arch/xtensa/kernel/time.o AS arch/xtensa/kernel/head.o AS arch/xtensa/kernel/vectors.o CC arch/xtensa/mm/mmu.o CC arch/xtensa/mm/cache.o LDS arch/xtensa/kernel/vmlinux.lds CC arch/xtensa/mm/fault.o CC arch/xtensa/mm/tlb.o CC arch/xtensa/platforms/iss/setup.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_binary.o CC kernel/sysctl.o CC kernel/fork.o CC kernel/capability.o CC kernel/user.o CC kernel/ptrace.o CC kernel/signal.o CC kernel/sys.o CC kernel/workqueue.o CC kernel/kmod.o CC kernel/pid.o CC kernel/task_work.o CC kernel/params.o CC kernel/extable.o CC kernel/kthread.o CC kernel/sys_ni.o CC kernel/nsproxy.o CC mm/filemap.o LD ipc/built-in.o CC fs/open.o CC security/commoncap.o CC mm/mempool.o LD crypto/built-in.o LD block/built-in.o CC fs/read_write.o LD sound/built-in.o CC fs/file_table.o LD drivers/amba/built-in.o CC fs/super.o CC security/min_addr.o LD drivers/auxdisplay/built-in.o LD drivers/block/built-in.o CC drivers/base/component.o LD drivers/bus/built-in.o LD drivers/cdrom/built-in.o CC fs/char_dev.o CC fs/stat.o CC drivers/char/mem.o LD firmware/built-in.o CC fs/exec.o LD net/built-in.o CC kernel/notifier.o CC fs/pipe.o LD arch/xtensa/lib/built-in.o AS arch/xtensa/lib/checksum.o AS arch/xtensa/lib/memcopy.o CC drivers/clk/clk-devres.o CC kernel/ksysfs.o AS arch/xtensa/lib/memset.o CC lib/lockref.o CC fs/namei.o CC lib/bcd.o CC drivers/char/random.o LD arch/xtensa/platforms/iss/built-in.o CC lib/div64.o CC fs/fcntl.o CC lib/sort.o AS arch/xtensa/lib/strncpy_user.o LD arch/xtensa/mm/built-in.o AS arch/xtensa/lib/strnlen_user.o LD drivers/clocksource/built-in.o CC fs/ioctl.o CC fs/readdir.o CC drivers/clk/clkdev.o CC drivers/char/misc.o AS arch/xtensa/lib/usercopy.o LD drivers/char/agp/built-in.o CC drivers/clk/clk.o LD drivers/firewire/built-in.o AR arch/xtensa/lib/lib.a CC kernel/cred.o CC kernel/reboot.o CC kernel/async.o CC fs/select.o LD drivers/firmware/broadcom/built-in.o LD drivers/firmware/built-in.o LD init/mounts.o LD init/built-in.o CC kernel/range.o LD drivers/gpio/built-in.o CC kernel/smpboot.o CC drivers/base/core.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/gpu/drm/bridge/built-in.o CC lib/parser.o LD drivers/hsi/clients/built-in.o LD arch/xtensa/kernel/built-in.o LD drivers/hsi/controllers/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/hsi/built-in.o CC kernel/irq/irqdesc.o CC fs/dcache.o CC mm/oom_kill.o CC kernel/irq/handle.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/built-in.o LD kernel/livepatch/built-in.o LD drivers/i2c/algos/built-in.o CC fs/inode.o LD drivers/gpu/vga/built-in.o LD drivers/gpu/built-in.o LD drivers/i2c/busses/built-in.o CC mm/maccess.o CC drivers/clk/clk-divider.o LD drivers/i2c/muxes/built-in.o LD drivers/i2c/built-in.o LD drivers/idle/built-in.o CC kernel/irq/manage.o CC kernel/locking/mutex.o CC kernel/locking/semaphore.o LD security/built-in.o CC kernel/locking/rwsem.o CC kernel/locking/rwsem-xadd.o CC kernel/power/qos.o CC mm/page_alloc.o CC drivers/irqchip/irq-xtensa-pic.o CC kernel/irq/spurious.o CC kernel/printk/printk.o CC kernel/rcu/update.o CC kernel/rcu/srcu.o CC lib/halfmd4.o CC lib/debug_locks.o LD drivers/leds/built-in.o CC fs/attr.o CC lib/random32.o CC fs/bad_inode.o CC fs/file.o CC kernel/sched/core.o CC lib/bust_spinlocks.o CC kernel/rcu/tiny.o CC kernel/time/time.o CC fs/filesystems.o CC fs/namespace.o CC kernel/time/timer.o CC kernel/time/hrtimer.o CC kernel/irq/resend.o CC kernel/up.o CC kernel/irq/chip.o CC kernel/irq/dummychip.o LD drivers/irqchip/built-in.o CC kernel/irq/devres.o CC lib/kasprintf.o LD drivers/lguest/built-in.o CC lib/bitmap.o LD drivers/char/built-in.o CC fs/seq_file.o LD drivers/macintosh/built-in.o CC kernel/sched/loadavg.o CC drivers/base/bus.o CC mm/page-writeback.o LD drivers/media/common/b2c2/built-in.o CC drivers/clk/clk-fixed-factor.o LD drivers/media/common/siano/built-in.o CC kernel/irq/irqdomain.o LD drivers/media/firewire/built-in.o CC drivers/clk/clk-fixed-rate.o LD drivers/media/common/saa7146/built-in.o LD drivers/media/common/built-in.o LD drivers/media/i2c/soc_camera/built-in.o CC kernel/sched/clock.o LD drivers/media/i2c/built-in.o CC kernel/sched/cputime.o CC kernel/sched/idle_task.o LD drivers/media/mmc/siano/built-in.o LD drivers/media/mmc/built-in.o CC kernel/sched/fair.o LD kernel/locking/built-in.o CC kernel/time/itimer.o CC fs/xattr.o CC fs/libfs.o LD drivers/media/pci/b2c2/built-in.o CC drivers/base/dd.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/platform/omap/built-in.o LD drivers/media/platform/built-in.o LD drivers/media/pci/mantis/built-in.o CC mm/readahead.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/pci/pluto2/built-in.o LD kernel/power/built-in.o CC mm/swap.o LD drivers/media/rc/keymaps/built-in.o LD drivers/media/pci/pt3/built-in.o CC drivers/base/syscore.o LD drivers/media/rc/built-in.o CC drivers/base/driver.o CC mm/truncate.o LD drivers/media/pci/pt1/built-in.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/pci/ttpci/built-in.o CC lib/scatterlist.o LD drivers/media/pci/built-in.o CC drivers/clk/clk-gate.o CC lib/gcd.o LD drivers/media/tuners/built-in.o CC drivers/clk/clk-mux.o CC drivers/clk/clk-composite.o LD drivers/media/usb/b2c2/built-in.o CC kernel/time/posix-timers.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/mfd/built-in.o LD drivers/media/usb/s2255/built-in.o CC drivers/clk/clk-fractional-divider.o LD drivers/media/usb/siano/built-in.o CC fs/fs-writeback.o CC fs/pnode.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/media/usb/stkwebcam/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o LD drivers/misc/cb710/built-in.o CC kernel/time/posix-cpu-timers.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/media/usb/built-in.o CC fs/splice.o CC fs/sync.o LD drivers/media/built-in.o CC drivers/clk/clk-gpio-gate.o LD drivers/misc/ti-st/built-in.o CC fs/utimes.o CC kernel/sched/rt.o CC lib/lcm.o CC drivers/base/class.o LD kernel/printk/built-in.o CC fs/stack.o CC fs/fs_struct.o CC lib/list_sort.o LD drivers/misc/mic/bus/built-in.o LD drivers/misc/mic/built-in.o LD drivers/misc/built-in.o CC fs/statfs.o CC fs/fs_pin.o CC kernel/time/timekeeping.o CC kernel/time/ntp.o CC drivers/base/platform.o CC drivers/base/cpu.o CC lib/uuid.o LD kernel/rcu/built-in.o LD kernel/irq/built-in.o CC fs/nsfs.o CC kernel/sched/deadline.o CC kernel/time/clocksource.o CC drivers/base/firmware.o CC fs/no-block.o LD fs/exofs/built-in.o LD fs/devpts/built-in.o LD fs/notify/inotify/built-in.o LD fs/quota/built-in.o LD fs/notify/dnotify/built-in.o CC kernel/time/jiffies.o LD fs/notify/fanotify/built-in.o LD fs/notify/built-in.o CC lib/flex_array.o CC fs/ramfs/inode.o CC fs/ramfs/file-mmu.o CC kernel/sched/stop_task.o LD drivers/mmc/built-in.o CC kernel/time/timer_list.o LD drivers/net/built-in.o LD drivers/nfc/built-in.o CC lib/iov_iter.o CC drivers/base/init.o CC kernel/sched/wait.o CC kernel/time/timeconv.o LD drivers/pinctrl/nomadik/built-in.o LD drivers/pinctrl/freescale/built-in.o CC drivers/base/map.o CC drivers/base/devres.o LD drivers/pinctrl/built-in.o CC drivers/base/attribute_container.o CC kernel/time/timecounter.o LD drivers/platform/built-in.o CC kernel/time/posix-clock.o CC lib/clz_ctz.o CC lib/bsearch.o CC kernel/time/alarmtimer.o LD drivers/clk/built-in.o CC lib/find_bit.o CC lib/llist.o LD drivers/pwm/built-in.o CC mm/vmscan.o LD drivers/soc/built-in.o CC lib/memweight.o CC lib/kfifo.o CC kernel/sched/completion.o CC lib/percpu_ida.o CC lib/percpu-refcount.o CC mm/shmem.o CC drivers/base/transport_class.o CC mm/util.o CC kernel/sched/idle.o CC lib/rhashtable.o CC lib/reciprocal_div.o LD drivers/tty/serial/built-in.o CC kernel/time/clockevents.o LD drivers/tty/ipwireless/built-in.o CC lib/string_helpers.o CC lib/hexdump.o LD drivers/tty/vt/built-in.o CC kernel/time/tick-common.o LD drivers/tty/built-in.o CC kernel/time/sched_clock.o CC mm/mmzone.o CC lib/kstrtox.o CC mm/vmstat.o CC lib/pci_iomap.o CC drivers/base/topology.o CC lib/iomap_copy.o CC mm/backing-dev.o CC mm/mm_init.o CC drivers/video/fbdev/core/fb_notify.o CC lib/devres.o LD drivers/video/backlight/built-in.o CC drivers/base/container.o CC lib/hweight.o CC lib/atomic64.o CC mm/mmu_context.o CC mm/percpu.o CC mm/slab_common.o CC lib/argv_split.o CC mm/compaction.o CC drivers/base/property.o LD drivers/video/fbdev/omap2/displays-new/built-in.o CC drivers/base/cacheinfo.o LD drivers/video/fbdev/omap2/dss/built-in.o LD drivers/video/fbdev/omap2/built-in.o CC lib/cmdline.o CC lib/ctype.o CC mm/vmacache.o CC mm/interval_tree.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o CC drivers/base/power/clock_ops.o CC lib/dec_and_lock.o CC mm/list_lru.o CC drivers/base/dma-mapping.o CC mm/workingset.o CC mm/debug.o CC lib/decompress.o CC mm/gup.o CC mm/highmem.o CC mm/memory.o LD fs/built-in.o CC mm/mincore.o CC lib/dump_stack.o CC mm/mlock.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 mm/mmap.o CC mm/mprotect.o CC lib/irq_regs.o CC mm/mremap.o CC mm/msync.o CC mm/rmap.o CC mm/vmalloc.o CC mm/pagewalk.o CC lib/is_single_threaded.o CC mm/pgtable-generic.o CC mm/init-mm.o CC lib/klist.o CC lib/kobject.o CC lib/kobject_uevent.o LD kernel/sched/built-in.o CC lib/md5.o CC lib/plist.o LD drivers/base/power/built-in.o CC lib/proportions.o LD drivers/video/fbdev/core/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/video/built-in.o CC lib/radix-tree.o CC lib/ratelimit.o CC mm/bootmem.o CC mm/dmapool.o CC mm/slub.o CC lib/rbtree.o CC lib/seq_buf.o CC lib/sha1.o CC lib/show_mem.o CC lib/string.o CC lib/timerqueue.o LD kernel/time/built-in.o CC lib/vsprintf.o LD drivers/base/built-in.o LD lib/built-in.o LD drivers/built-in.o LD kernel/built-in.o LD mm/built-in.o AR lib/lib.a 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 SORTEX vmlinux SYSMAP System.map OBJCOPY vmlinux.bin LD arch/xtensa/boot/lib/built-in.o COPY arch/xtensa/boot/lib/inffast.c COPY arch/xtensa/boot/lib/inflate.c COPY arch/xtensa/boot/lib/inftrees.c CC arch/xtensa/boot/lib/zmem.o CC arch/xtensa/boot/lib/inffast.o CC arch/xtensa/boot/lib/inflate.o CC arch/xtensa/boot/lib/inftrees.o AR arch/xtensa/boot/lib/lib.a AS arch/xtensa/boot/boot-elf/bootstrap.o LDS arch/xtensa/boot/boot-elf/boot.lds Kernel: arch/xtensa/boot/boot-elf/../Image.elf is ready make[1]: Leaving directory '/home/kisskb/slave/build/linus_xtensa-allnoconfig_xtensa' Completed OK # rm -rf /home/kisskb/slave/build/linus_xtensa-allnoconfig_xtensa # Build took: 0:00:16.108710