# git rev-parse -q --verify a3aa256b7258b3d19f8b44557cc64525a993b941^{commit} a3aa256b7258b3d19f8b44557cc64525a993b941 already have revision, skipping fetch # git checkout -q -f -B kisskb a3aa256b7258b3d19f8b44557cc64525a993b941 # git clean -qxdf # git log -1 commit a3aa256b7258b3d19f8b44557cc64525a993b941 Author: Gavin Shan Date: Fri Jun 17 13:05:11 2016 +1000 powerpc/eeh: Fix invalid cached PE primary bus The PE primary bus cannot be got from its child devices when having full hotplug in error recovery. The PE primary bus is cached, which is done in commit <05ba75f84864> ("powerpc/eeh: Fix stale cached primary bus"). In eeh_reset_device(), the flag (EEH_PE_PRI_BUS) is cleared before the PCI hot remove. eeh_pe_bus_get() then returns NULL as the PE primary bus in pnv_eeh_reset() and it crashes the kernel eventually. This fixes the issue by clearing the flag (EEH_PE_PRI_BUS) before the PCI hot add. With it, the PowerNV EEH reset backend (pnv_eeh_reset()) can get valid PE primary bus through eeh_pe_bus_get(). Fixes: 67086e32b564 ("powerpc/eeh: powerpc/eeh: Support error recovery for VF PE") Reported-by: Pridhiviraj Paidipeddi Signed-off-by: Gavin Shan Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 a3aa256b7258b3d19f8b44557cc64525a993b941 # < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-fixes_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-fixes_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-fixes_powerpc-allnoconfig_powerpc' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/irq_regs.h WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/irq_work.h UPD include/config/kernel.release 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 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/flattree.o CC scripts/mod/empty.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/srcpos.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/checks.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/util.o GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/sumversion.o HOSTCC scripts/mod/file2alias.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 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 UPD include/generated/compile.h CC init/version.o LD arch/powerpc/sysdev/built-in.o CC arch/powerpc/mm/fault.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/lib/alloc.o AS arch/powerpc/mm/hash_low_32.o CC arch/powerpc/lib/feature-fixups.o CC arch/powerpc/kernel/cputable.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/mm/mmap.o AS arch/powerpc/lib/string.o CC arch/powerpc/mm/tlb_hash32.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/lib/ppc_ksyms.o CC arch/powerpc/mm/mmu_context_hash32.o AS arch/powerpc/lib/checksum_32.o CC arch/powerpc/mm/ppc_mmu_32.o LD arch/powerpc/platforms/built-in.o AS arch/powerpc/lib/copy_32.o CC arch/powerpc/kernel/syscalls.o AS arch/powerpc/lib/div64.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/kernel/process.o CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/kernel/vdso.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/pmc.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/align.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/kernel/setup-common.o CC arch/powerpc/kernel/idle.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/udbg.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 arch/powerpc/math-emu/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 LD arch/powerpc/crypto/built-in.o AS arch/powerpc/kernel/entry_32.o LD arch/powerpc/net/built-in.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 LD certs/built-in.o LD arch/powerpc/lib/built-in.o LDS arch/powerpc/kernel/vmlinux.lds CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/fpu.o AS arch/powerpc/kernel/systbl.o LD ipc/built-in.o CC kernel/fork.o CC kernel/panic.o CC kernel/exec_domain.o CC kernel/sysctl.o CC kernel/resource.o CC kernel/exit.o CC kernel/cpu.o CC kernel/sysctl_binary.o CC kernel/ptrace.o CC kernel/softirq.o CC kernel/signal.o CC kernel/sys.o CC kernel/capability.o CC kernel/params.o CC kernel/user.o CC kernel/kmod.o CC kernel/pid.o CC kernel/workqueue.o CC kernel/extable.o CC kernel/task_work.o CC security/commoncap.o CC security/min_addr.o CC kernel/kthread.o CC kernel/sys_ni.o LD arch/powerpc/mm/built-in.o CC kernel/nsproxy.o CC kernel/notifier.o CC kernel/cred.o CC kernel/ksysfs.o CC kernel/reboot.o CC kernel/range.o CC kernel/async.o LD crypto/built-in.o CC kernel/smpboot.o LDS arch/powerpc/kernel/vdso32/vdso32.lds LD kernel/livepatch/built-in.o LD block/built-in.o VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o CC kernel/printk/printk.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o CC kernel/dma.o CC kernel/power/qos.o CC kernel/locking/mutex.o CC kernel/irq/irqdesc.o CC kernel/up.o CC kernel/elfcore.o CC kernel/rcu/update.o CC kernel/memremap.o LD init/mounts.o CC fs/open.o LD sound/built-in.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o LD init/built-in.o CC fs/read_write.o CC mm/filemap.o CC fs/file_table.o VDSO32A arch/powerpc/kernel/vdso32/note.o CC mm/mempool.o CC mm/oom_kill.o CC kernel/sched/core.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg LD firmware/built-in.o CC kernel/time/time.o CC kernel/time/timer.o OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so CC kernel/rcu/tiny.o CC kernel/rcu/sync.o CC kernel/sched/loadavg.o CC kernel/sched/clock.o CC kernel/sched/cputime.o AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o LD net/built-in.o CC kernel/sched/idle_task.o CC kernel/sched/fair.o CC kernel/sched/rt.o CC kernel/time/hrtimer.o CC kernel/sched/deadline.o CC kernel/time/itimer.o CC kernel/sched/stop_task.o LD arch/powerpc/kernel/vdso32/built-in.o CC kernel/time/posix-timers.o CC kernel/sched/wait.o CC kernel/time/posix-cpu-timers.o CC kernel/sched/swait.o LD kernel/printk/built-in.o LD arch/powerpc/kernel/built-in.o CC kernel/time/timekeeping.o CC kernel/sched/completion.o LD virt/lib/built-in.o CC kernel/time/ntp.o CC kernel/time/clocksource.o CC kernel/sched/idle.o CC fs/super.o LD virt/built-in.o CC fs/char_dev.o CC mm/maccess.o CC mm/page_alloc.o CC fs/stat.o CC mm/page-writeback.o CC fs/exec.o CC mm/readahead.o CC fs/pipe.o CC mm/swap.o CC fs/namei.o CC mm/truncate.o CC kernel/irq/handle.o CC kernel/locking/semaphore.o CC mm/vmscan.o CC kernel/time/jiffies.o CC mm/shmem.o CC fs/fcntl.o LD kernel/rcu/built-in.o CC mm/util.o LD drivers/amba/built-in.o CC lib/lockref.o CC mm/mmzone.o LD drivers/auxdisplay/built-in.o LD drivers/block/built-in.o LD security/built-in.o LD drivers/bus/built-in.o CC mm/vmstat.o LD drivers/cdrom/built-in.o CC mm/backing-dev.o CC mm/mmu_context.o CC mm/percpu.o CC mm/mm_init.o LD drivers/clocksource/built-in.o CC drivers/char/mem.o CC kernel/irq/manage.o LD drivers/clk/bcm/built-in.o LD kernel/power/built-in.o CC kernel/time/timer_list.o LD drivers/firewire/built-in.o CC mm/slab_common.o CC lib/bcd.o CC kernel/time/timeconv.o CC kernel/time/timecounter.o CC mm/compaction.o CC drivers/base/component.o LD drivers/clk/mvebu/built-in.o CC mm/vmacache.o LD drivers/gpio/built-in.o CC lib/div64.o CC lib/sort.o CC kernel/time/posix-clock.o LD drivers/clk/ti/built-in.o CC kernel/time/alarmtimer.o CC mm/interval_tree.o CC mm/list_lru.o CC mm/workingset.o LD drivers/firmware/broadcom/built-in.o CC fs/ioctl.o CC fs/readdir.o LD drivers/clk/built-in.o CC mm/debug.o CC kernel/time/clockevents.o CC fs/select.o CC kernel/locking/rwsem.o LD drivers/firmware/built-in.o CC kernel/time/tick-common.o CC lib/parser.o LD drivers/hwtracing/intel_th/built-in.o CC fs/dcache.o CC fs/inode.o CC mm/gup.o LD drivers/hsi/clients/built-in.o CC mm/highmem.o CC lib/halfmd4.o LD drivers/idle/built-in.o LD drivers/gpu/drm/bridge/built-in.o CC lib/debug_locks.o CC mm/memory.o LD drivers/hsi/controllers/built-in.o CC fs/attr.o LD drivers/i2c/algos/built-in.o LD drivers/gpu/drm/hisilicon/built-in.o CC drivers/irqchip/irqchip.o CC drivers/char/random.o LD drivers/hsi/built-in.o CC mm/mincore.o LD drivers/gpu/drm/i2c/built-in.o CC fs/bad_inode.o CC kernel/irq/spurious.o CC fs/file.o LD drivers/i2c/busses/built-in.o CC lib/random32.o LD drivers/leds/built-in.o CC lib/bust_spinlocks.o CC kernel/locking/percpu-rwsem.o CC lib/kasprintf.o CC mm/mlock.o CC lib/bitmap.o LD drivers/i2c/muxes/built-in.o CC mm/mmap.o CC mm/mprotect.o LD kernel/sched/built-in.o LD drivers/gpu/drm/omapdrm/displays/built-in.o CC fs/filesystems.o LD drivers/i2c/built-in.o CC mm/mremap.o LD drivers/lguest/built-in.o LD drivers/macintosh/built-in.o CC mm/msync.o CC mm/rmap.o CC mm/vmalloc.o LD drivers/mfd/built-in.o LD drivers/gpu/drm/omapdrm/dss/built-in.o CC drivers/base/core.o CC fs/namespace.o CC fs/seq_file.o LD drivers/mmc/built-in.o LD drivers/net/built-in.o CC lib/scatterlist.o CC lib/gcd.o LD drivers/gpu/drm/omapdrm/built-in.o LD drivers/nfc/built-in.o CC mm/pagewalk.o LD drivers/nvme/host/built-in.o LD drivers/irqchip/built-in.o CC kernel/irq/resend.o CC fs/xattr.o CC mm/pgtable-generic.o LD drivers/gpu/drm/panel/built-in.o LD drivers/misc/cb710/built-in.o CC lib/lcm.o CC fs/libfs.o LD drivers/nvme/built-in.o CC mm/init-mm.o CC lib/list_sort.o LD drivers/misc/eeprom/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o CC lib/uuid.o CC mm/memblock.o CC mm/nobootmem.o CC mm/dmapool.o CC drivers/of/base.o LD drivers/platform/built-in.o CC fs/fs-writeback.o CC kernel/locking/rwsem-xadd.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/media/common/b2c2/built-in.o LD drivers/gpu/drm/built-in.o CC lib/flex_array.o CC mm/slub.o CC kernel/irq/chip.o LD drivers/power/built-in.o LD drivers/media/common/saa7146/built-in.o CC lib/iov_iter.o LD drivers/misc/mic/bus/built-in.o CC drivers/pci/access.o CC lib/clz_ctz.o LD drivers/pwm/built-in.o LD drivers/media/common/siano/built-in.o CC fs/pnode.o LD drivers/gpu/vga/built-in.o LD drivers/misc/mic/built-in.o CC lib/bsearch.o CC fs/splice.o LD drivers/media/common/v4l2-tpg/built-in.o CC kernel/irq/dummychip.o LD drivers/misc/ti-st/built-in.o CC fs/sync.o CC kernel/irq/devres.o CC kernel/irq/irqdomain.o LD drivers/gpu/built-in.o CC fs/utimes.o LD drivers/media/common/built-in.o CC lib/find_bit.o LD drivers/misc/built-in.o LD drivers/soc/bcm/built-in.o CC fs/stack.o CC lib/llist.o CC fs/fs_struct.o CC lib/memweight.o CC fs/statfs.o CC lib/kfifo.o LD drivers/soc/fsl/built-in.o CC drivers/char/misc.o LD drivers/tty/ipwireless/built-in.o LD drivers/media/firewire/built-in.o CC lib/percpu-refcount.o LD drivers/usb/host/built-in.o CC fs/fs_pin.o LD drivers/tty/serial/built-in.o LD drivers/soc/built-in.o CC lib/percpu_ida.o CC fs/nsfs.o LD kernel/locking/built-in.o LD drivers/usb/built-in.o LD drivers/tty/vt/built-in.o CC lib/rhashtable.o LD drivers/media/i2c/soc_camera/built-in.o CC lib/reciprocal_div.o CC lib/once.o CC lib/hexdump.o CC lib/string_helpers.o LD drivers/tty/built-in.o LD drivers/media/i2c/built-in.o LD drivers/media/mmc/siano/built-in.o LD drivers/video/backlight/built-in.o LD drivers/media/mmc/built-in.o CC lib/kstrtox.o CC fs/no-block.o LD fs/exofs/built-in.o LD fs/devpts/built-in.o LD drivers/media/platform/omap/built-in.o CC drivers/pci/bus.o LD fs/quota/built-in.o CC lib/pci_iomap.o CC fs/binfmt_elf.o LD drivers/media/platform/built-in.o CC fs/ramfs/inode.o LD drivers/media/rc/keymaps/built-in.o LD drivers/video/fbdev/core/built-in.o CC drivers/pci/probe.o CC drivers/pci/host-bridge.o CC fs/ramfs/file-mmu.o CC lib/iomap_copy.o LD drivers/media/rc/built-in.o LD drivers/media/pci/b2c2/built-in.o LD fs/notify/dnotify/built-in.o LD drivers/media/pci/dm1105/built-in.o CC drivers/of/device.o /home/kisskb/slave/src/mm/page_alloc.c: In function 'free_area_init_node': /home/kisskb/slave/src/mm/page_alloc.c:5781:17: warning: 'zone_start_pfn' may be used uninitialized in this function [-Wuninitialized] LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/tuners/built-in.o CC drivers/pci/remove.o LD drivers/media/pci/mantis/built-in.o CC drivers/of/platform.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/char/agp/built-in.o LD drivers/media/pci/pluto2/built-in.o CC drivers/base/bus.o LD drivers/media/pci/ngene/built-in.o LD drivers/media/pci/pt1/built-in.o LD fs/notify/fanotify/built-in.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/smipcie/built-in.o CC lib/devres.o CC lib/hweight.o CC lib/bitrev.o LD drivers/media/pci/saa7146/built-in.o HOSTCC lib/gen_crc32table LD fs/notify/inotify/built-in.o LD drivers/char/built-in.o LD drivers/media/pci/ttpci/built-in.o CC drivers/pci/pci.o CC drivers/of/fdt.o CC drivers/base/syscore.o CC drivers/base/dd.o CC lib/syscall.o CC drivers/pci/pci-driver.o LD kernel/irq/built-in.o LD fs/notify/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o CC lib/atomic64.o CC drivers/pci/search.o LD drivers/media/pci/built-in.o CC drivers/base/driver.o CC drivers/base/class.o CC drivers/of/fdt_address.o LD drivers/media/usb/b2c2/built-in.o CC drivers/pci/pci-sysfs.o LD drivers/video/fbdev/omap2/omapfb/built-in.o LD drivers/media/usb/dvb-usb/built-in.o CC lib/strncpy_from_user.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC lib/strnlen_user.o CC lib/argv_split.o LD drivers/media/usb/s2255/built-in.o CC drivers/base/platform.o CC lib/cmdline.o CC drivers/of/address.o LD drivers/media/usb/siano/built-in.o LD drivers/media/usb/stkwebcam/built-in.o LD drivers/video/fbdev/omap2/built-in.o CC drivers/base/cpu.o LD drivers/media/usb/ttusb-budget/built-in.o CC lib/dec_and_lock.o CC lib/ctype.o CC drivers/of/irq.o LD drivers/media/usb/ttusb-dec/built-in.o CC lib/decompress.o LD kernel/time/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/media/usb/zr364xx/built-in.o CC drivers/of/of_pci.o CC lib/dma-noop.o CC lib/dump_stack.o LD kernel/built-in.o CC drivers/pci/rom.o CC drivers/base/firmware.o LD drivers/media/usb/built-in.o CC lib/earlycpio.o LD drivers/video/built-in.o CC lib/extable.o CC drivers/of/of_pci_irq.o CC lib/fdt.o CC drivers/base/init.o CC lib/fdt_empty_tree.o CC lib/fdt_ro.o CC drivers/of/of_reserved_mem.o CC lib/fdt_rw.o CC drivers/base/map.o CC drivers/pci/setup-res.o CC lib/fdt_strerror.o LD drivers/media/built-in.o CC lib/fdt_wip.o CC lib/fdt_sw.o CC lib/flex_proportions.o CC lib/idr.o LD fs/ramfs/ramfs.o CC drivers/pci/vpd.o CC drivers/pci/irq.o LD fs/ramfs/built-in.o CC lib/int_sqrt.o CC drivers/base/devres.o CC drivers/base/attribute_container.o CC drivers/base/transport_class.o CC lib/ioremap.o CC drivers/base/topology.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC lib/klist.o CC lib/kobject.o LD mm/built-in.o CC lib/kobject_uevent.o CC drivers/base/container.o CC lib/md5.o CC drivers/base/property.o CC lib/nmi_backtrace.o CC lib/nodemask.o CC drivers/base/cacheinfo.o CC drivers/base/dma-mapping.o LD drivers/base/power/built-in.o CC drivers/pci/setup-bus.o CC drivers/pci/vc.o CC drivers/pci/of.o CC drivers/pci/syscall.o CC lib/ratelimit.o CC lib/rbtree.o CC lib/plist.o CC lib/radix-tree.o LD drivers/pci/host/built-in.o CC lib/seq_buf.o CC lib/show_mem.o CC lib/sha1.o CC lib/string.o CC lib/timerqueue.o CC lib/vsprintf.o LD fs/built-in.o GEN lib/crc32table.h CC lib/crc32.o LD drivers/of/built-in.o LD lib/built-in.o LD drivers/base/built-in.o LD drivers/pci/built-in.o LD drivers/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 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-fixes_powerpc-allnoconfig_powerpc' Completed OK # rm -rf /home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc # Build took: 0:00:14.196548