# git rev-parse -q --verify 8550e2fa34f077c8a87cf1ba2453102bbbc9ade9^{commit} 8550e2fa34f077c8a87cf1ba2453102bbbc9ade9 already have revision, skipping fetch # git checkout -q -f -B kisskb 8550e2fa34f077c8a87cf1ba2453102bbbc9ade9 # git clean -qxdf # git log -1 commit 8550e2fa34f077c8a87cf1ba2453102bbbc9ade9 Author: Aneesh Kumar K.V Date: Wed Jun 8 19:55:55 2016 +0530 powerpc/mm/hash: Use the correct PPP mask when updating HPTE With commit e58e87adc8bf9 "powerpc/mm: Update _PAGE_KERNEL_RO" we now use all the three PPP bits. The top bit is now used to have a PPP value of 0b110 which will be mapped to kernel read only. When updating the hpte entry use right mask such that we update the 63rd bit (top 'P' bit) too. Prior to e58e87adc8bf we didn't support KERNEL_RO at all (it was == KERNEL_RW), so this isn't a regression as such. Fixes: e58e87adc8bf ("powerpc/mm: Update _PAGE_KERNEL_RO") Signed-off-by: Aneesh Kumar K.V Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 8550e2fa34f077c8a87cf1ba2453102bbbc9ade9 # < 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/powerpc-linux/bin/powerpc-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/powerpc-linux/bin/powerpc-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 WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/div64.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 UPD include/config/kernel.release 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/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/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h SHIPPED scripts/dtc/dtc-lexer.lex.c HOSTCC scripts/mod/modpost.o SHIPPED scripts/dtc/dtc-parser.tab.h SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/mod/file2alias.o HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.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 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 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/lib/alloc.o CC arch/powerpc/kernel/cputable.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/kernel/ptrace.o LD arch/powerpc/crypto/built-in.o LD arch/powerpc/net/built-in.o CC kernel/fork.o CC kernel/exec_domain.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/lib/ppc_ksyms.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 kernel/panic.o LD certs/built-in.o CC arch/powerpc/lib/feature-fixups.o CC kernel/cpu.o CC arch/powerpc/kernel/align.o CC mm/filemap.o CC fs/open.o LD init/mounts.o LD init/built-in.o CC fs/read_write.o CC mm/mempool.o AS arch/powerpc/lib/div64.o AS arch/powerpc/lib/copy_32.o AS arch/powerpc/lib/checksum_32.o CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/pmc.o LD arch/powerpc/lib/built-in.o CC mm/oom_kill.o CC kernel/exit.o LD ipc/built-in.o CC security/commoncap.o CC kernel/softirq.o CC mm/maccess.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/mm/init_32.o CC mm/page_alloc.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/mm/ppc_mmu_32.o CC fs/file_table.o CC mm/page-writeback.o CC security/min_addr.o CC arch/powerpc/kernel/process.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/idle.o AS arch/powerpc/mm/hash_low_32.o CC mm/readahead.o CC arch/powerpc/kernel/signal.o LD security/built-in.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/mm/tlb_hash32.o CC kernel/resource.o CC fs/super.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC kernel/sysctl.o CC mm/swap.o CC mm/truncate.o LD arch/powerpc/mm/built-in.o CC fs/char_dev.o CC mm/vmscan.o CC mm/shmem.o CC mm/util.o CC mm/mmzone.o CC kernel/sysctl_binary.o CC fs/stat.o CC fs/exec.o CC arch/powerpc/kernel/prom.o CC fs/pipe.o CC fs/namei.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/setup-common.o CC arch/powerpc/kernel/udbg.o CC kernel/capability.o CC kernel/ptrace.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/io.o CC arch/powerpc/kernel/dma.o LD crypto/built-in.o AS arch/powerpc/kernel/misc_32.o CC kernel/user.o CC arch/powerpc/kernel/of_platform.o CC kernel/signal.o LD block/built-in.o CC fs/fcntl.o CC mm/vmstat.o LD drivers/amba/built-in.o CC fs/ioctl.o LD drivers/auxdisplay/built-in.o CC drivers/base/component.o CC drivers/base/core.o CC drivers/base/bus.o CC arch/powerpc/kernel/prom_parse.o CC drivers/base/dd.o CC mm/backing-dev.o CC drivers/base/syscore.o CC drivers/base/driver.o CC fs/readdir.o CC mm/mm_init.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.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 CC fs/select.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o LD arch/powerpc/kernel/vdso32/built-in.o AS arch/powerpc/kernel/idle_6xx.o CC drivers/base/class.o AS arch/powerpc/kernel/l2cr_6xx.o LD sound/built-in.o AS arch/powerpc/kernel/cpu_setup_6xx.o LD firmware/built-in.o LD net/built-in.o AS arch/powerpc/kernel/entry_32.o LD virt/lib/built-in.o LD virt/built-in.o CC arch/powerpc/kernel/setup_32.o CC kernel/sys.o CC lib/lockref.o CC mm/mmu_context.o CC mm/percpu.o CC lib/bcd.o CC fs/dcache.o CC lib/div64.o CC fs/inode.o CC drivers/base/platform.o CC mm/slab_common.o CC arch/powerpc/kernel/pci_32.o CC lib/sort.o CC drivers/base/cpu.o CC lib/parser.o CC lib/halfmd4.o CC kernel/kmod.o CC kernel/workqueue.o CC lib/debug_locks.o CC kernel/pid.o CC arch/powerpc/kernel/pci-common.o CC lib/random32.o CC drivers/base/firmware.o CC mm/compaction.o CC kernel/task_work.o CC fs/attr.o CC drivers/base/init.o CC lib/bust_spinlocks.o CC drivers/base/map.o CC drivers/base/devres.o CC kernel/extable.o CC mm/vmacache.o CC lib/kasprintf.o CC fs/bad_inode.o CC drivers/base/attribute_container.o CC drivers/base/transport_class.o LD drivers/block/built-in.o LD drivers/bus/built-in.o LD drivers/cdrom/built-in.o CC mm/interval_tree.o CC drivers/char/mem.o CC drivers/char/random.o CC lib/bitmap.o CC arch/powerpc/kernel/pci_of_scan.o CC drivers/char/misc.o CC fs/file.o LD drivers/char/agp/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 CC drivers/base/topology.o CC fs/filesystems.o CC drivers/base/container.o LD drivers/clocksource/built-in.o CC lib/scatterlist.o CC mm/list_lru.o CC mm/workingset.o CC arch/powerpc/kernel/iomap.o CC kernel/params.o CC lib/gcd.o CC drivers/base/property.o LD drivers/firewire/built-in.o CC fs/namespace.o LD drivers/firmware/broadcom/built-in.o LD drivers/firmware/built-in.o LD drivers/gpio/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/char/built-in.o LD drivers/gpu/drm/omapdrm/displays/built-in.o CC drivers/base/cacheinfo.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/gpu/drm/omapdrm/built-in.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/built-in.o CC fs/seq_file.o LD drivers/gpu/vga/built-in.o LD drivers/gpu/built-in.o CC kernel/kthread.o CC mm/debug.o AS arch/powerpc/kernel/head_32.o LD drivers/base/power/built-in.o CC drivers/base/dma-mapping.o LDS arch/powerpc/kernel/vmlinux.lds AS arch/powerpc/kernel/fpu.o CC lib/lcm.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o CC kernel/sys_ni.o CC lib/list_sort.o LD arch/powerpc/kernel/built-in.o CC lib/uuid.o CC lib/flex_array.o CC lib/iov_iter.o CC lib/clz_ctz.o LD drivers/hsi/clients/built-in.o LD drivers/hsi/controllers/built-in.o LD drivers/hsi/built-in.o CC mm/gup.o CC mm/highmem.o CC fs/xattr.o CC fs/libfs.o CC kernel/nsproxy.o CC mm/memory.o LD drivers/base/built-in.o LD drivers/hwtracing/intel_th/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 lib/bsearch.o CC drivers/irqchip/irqchip.o LD drivers/leds/built-in.o CC mm/mincore.o CC fs/fs-writeback.o LD drivers/irqchip/built-in.o CC kernel/notifier.o LD drivers/lguest/built-in.o LD drivers/macintosh/built-in.o CC fs/pnode.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 LD drivers/media/common/v4l2-tpg/built-in.o LD drivers/media/common/built-in.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 CC fs/splice.o LD drivers/media/mmc/built-in.o CC fs/sync.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 CC fs/utimes.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 LD drivers/media/pci/pt1/built-in.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/pci/smipcie/built-in.o LD drivers/media/pci/ttpci/built-in.o CC lib/find_bit.o LD drivers/media/pci/built-in.o CC fs/stack.o LD drivers/media/platform/omap/built-in.o LD drivers/media/platform/built-in.o LD drivers/media/rc/keymaps/built-in.o CC kernel/ksysfs.o LD drivers/media/rc/built-in.o LD drivers/media/tuners/built-in.o CC lib/llist.o LD drivers/media/usb/b2c2/built-in.o LD drivers/media/usb/dvb-usb/built-in.o CC fs/fs_struct.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 CC lib/memweight.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 fs/statfs.o CC lib/kfifo.o LD drivers/media/built-in.o LD drivers/mfd/built-in.o CC kernel/cred.o LD drivers/mmc/built-in.o LD drivers/misc/cb710/built-in.o CC mm/mlock.o LD drivers/misc/eeprom/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/misc/ti-st/built-in.o CC fs/fs_pin.o CC fs/nsfs.o LD drivers/misc/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/built-in.o CC drivers/of/base.o CC fs/no-block.o LD fs/devpts/built-in.o LD fs/exofs/built-in.o CC lib/percpu-refcount.o LD fs/notify/dnotify/built-in.o LD fs/quota/built-in.o LD fs/notify/fanotify/built-in.o CC drivers/of/device.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o CC fs/ramfs/inode.o CC fs/binfmt_elf.o CC kernel/reboot.o CC lib/percpu_ida.o CC kernel/async.o CC kernel/range.o CC lib/rhashtable.o CC mm/mmap.o CC kernel/smpboot.o CC lib/reciprocal_div.o CC lib/once.o CC fs/ramfs/file-mmu.o CC drivers/of/platform.o CC drivers/of/fdt.o CC kernel/irq/irqdesc.o CC drivers/of/fdt_address.o CC kernel/irq/handle.o CC drivers/pci/access.o CC kernel/irq/manage.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o LD fs/built-in.o CC drivers/pci/bus.o LD kernel/livepatch/built-in.o CC kernel/locking/mutex.o CC kernel/locking/semaphore.o CC lib/string_helpers.o CC kernel/irq/spurious.o CC kernel/irq/resend.o CC drivers/of/address.o CC kernel/irq/chip.o CC drivers/of/irq.o CC drivers/of/of_pci.o CC kernel/irq/dummychip.o CC kernel/locking/rwsem.o CC kernel/locking/percpu-rwsem.o CC drivers/pci/probe.o CC lib/hexdump.o CC kernel/power/qos.o CC kernel/irq/devres.o CC mm/mprotect.o CC kernel/locking/rwsem-xadd.o CC lib/kstrtox.o CC lib/pci_iomap.o LD drivers/platform/built-in.o CC lib/iomap_copy.o LD drivers/power/built-in.o CC drivers/pci/host-bridge.o CC drivers/of/of_pci_irq.o CC kernel/irq/irqdomain.o CC mm/mremap.o LD kernel/locking/built-in.o CC mm/msync.o CC lib/devres.o CC drivers/of/of_reserved_mem.o LD kernel/power/built-in.o CC drivers/pci/remove.o CC drivers/pci/pci.o CC drivers/pci/pci-driver.o CC kernel/printk/printk.o CC mm/rmap.o LD kernel/irq/built-in.o LD drivers/pwm/built-in.o CC lib/hweight.o LD drivers/soc/bcm/built-in.o LD drivers/soc/fsl/built-in.o LD drivers/of/built-in.o LD drivers/soc/built-in.o LD drivers/tty/ipwireless/built-in.o LD drivers/usb/host/built-in.o LD drivers/tty/serial/built-in.o LD drivers/usb/built-in.o LD drivers/video/backlight/built-in.o LD drivers/tty/vt/built-in.o CC drivers/pci/search.o CC lib/bitrev.o LD drivers/tty/built-in.o HOSTCC lib/gen_crc32table LD drivers/video/fbdev/core/built-in.o CC drivers/pci/pci-sysfs.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o CC lib/syscall.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 lib/atomic64.o CC lib/strncpy_from_user.o CC lib/strnlen_user.o CC lib/argv_split.o CC lib/cmdline.o CC lib/ctype.o LD kernel/printk/built-in.o CC lib/dec_and_lock.o CC kernel/rcu/update.o CC kernel/sched/core.o CC kernel/time/time.o CC kernel/time/timer.o CC lib/decompress.o CC lib/dma-noop.o CC lib/dump_stack.o CC lib/earlycpio.o CC lib/extable.o CC kernel/rcu/sync.o CC kernel/sched/loadavg.o CC mm/vmalloc.o CC kernel/sched/clock.o CC lib/fdt.o CC kernel/rcu/tiny.o CC lib/fdt_empty_tree.o CC drivers/pci/rom.o CC lib/fdt_ro.o CC drivers/pci/setup-res.o CC drivers/pci/irq.o CC drivers/pci/vpd.o CC kernel/time/hrtimer.o LD kernel/rcu/built-in.o CC kernel/dma.o CC lib/fdt_rw.o CC lib/fdt_strerror.o CC lib/fdt_sw.o CC lib/fdt_wip.o CC drivers/pci/setup-bus.o CC drivers/pci/vc.o CC kernel/up.o CC lib/flex_proportions.o CC lib/idr.o CC kernel/elfcore.o CC kernel/memremap.o CC lib/int_sqrt.o CC lib/ioremap.o CC lib/irq_regs.o CC mm/pagewalk.o CC mm/pgtable-generic.o CC mm/init-mm.o CC lib/is_single_threaded.o CC kernel/sched/cputime.o CC kernel/time/itimer.o CC kernel/sched/idle_task.o CC kernel/sched/fair.o CC drivers/pci/syscall.o CC drivers/pci/of.o CC lib/klist.o CC mm/nobootmem.o LD drivers/pci/host/built-in.o CC mm/memblock.o CC mm/dmapool.o CC kernel/sched/rt.o CC lib/kobject.o CC kernel/time/posix-timers.o CC kernel/time/posix-cpu-timers.o CC kernel/time/timekeeping.o LD drivers/pci/built-in.o LD drivers/built-in.o CC kernel/time/ntp.o CC mm/slub.o CC kernel/time/clocksource.o CC kernel/sched/deadline.o CC kernel/sched/stop_task.o CC lib/kobject_uevent.o CC kernel/sched/wait.o CC kernel/sched/swait.o CC kernel/time/jiffies.o CC kernel/sched/completion.o CC kernel/time/timer_list.o CC kernel/time/timeconv.o CC kernel/time/timecounter.o CC kernel/time/posix-clock.o CC kernel/sched/idle.o CC lib/md5.o CC kernel/time/alarmtimer.o CC kernel/time/clockevents.o CC kernel/time/tick-common.o CC lib/nmi_backtrace.o CC lib/nodemask.o CC lib/plist.o CC lib/radix-tree.o LD mm/built-in.o CC lib/ratelimit.o CC lib/rbtree.o CC lib/seq_buf.o LD kernel/sched/built-in.o CC lib/sha1.o CC lib/show_mem.o CC lib/string.o CC lib/timerqueue.o CC lib/vsprintf.o GEN lib/crc32table.h CC lib/crc32.o LD kernel/time/built-in.o LD kernel/built-in.o LD lib/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-5.3.0-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-5.3' Completed OK # rm -rf /home/kisskb/slave/build/powerpc-fixes_powerpc-allnoconfig_powerpc-5.3 # Build took: 0:00:25.893303