170 Commits

Author	SHA1	Message	Date
Ian Maund	220f03ace2	This is the 3.10.84 stable release ... -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJVoAOcAAoJEDjbvchgkmk+UhcP/1EOwnsJDcZ/sZkkclNgRmrJ yLBCW65caLAI2E3SmIdKvHQwIx7lHzX5gmWRBrvx+fIl4KhaNKEQ0NCOf1ATaVuQ MkYMdkicXWpLiFNdKokezryevGS8T1RME+2QlPFv3++Rby1Gy90YD5tu7YlIrEn7 sPRJQHEPCzVAQ7Lqhd66yHICM6/QvdefXj4pjh7vV8IMb2YwnY4vqYt7RxnJCUfP tqljxrT274kzpA2awzALNh+o3B3/Y4W9ROmlDWviw3JBc9gEqFXYwbDf8KDwA5c0 sp9GPGed/dV5DFuqRcAHksJenFnE3E4gZjo/R5hluHQU27peBuRfXev2hZyBfZqG 796eUOky8fb0OiyxHfT2vhfGeD7CHI/asvIAORjDBVUqzJy9nkkby3XJ0U4tW+pz VkcilD2oHw1uRIFH3JoBWTJ9W6CYSNFG1qxw+brgfKT5otJG/dBiI8kBABx+aTq7 V+A2cvf11oVwDEb93dnVypMGsfCywqzJUwEIRli9fTFjK7Fg9CBSGX38nwVGUaRv M2/NeloTyWqUQE41Nd11gCu+hKQRtUU77nxpZcSeKn1XsbpO9/7dHTwcELRuKnTD 9XDksqPznXmC9KXGj7XMcRkLyWyB//JHjay0FCS6b4S6v7R5nrEIRjcpdB+H1WLd zMOXRH4ZlcOAS/Yt2QMd =8AB3 -----END PGP SIGNATURE----- Merge upstream tag 'v3.10.84' into LA.BF64.1.2.2 This merge brings us up-to-date as of upstream tag v3.10.84 * tag 'v3.10.84' (1494 commits): Linux 3.10.84 fs: Fix S_NOSEC handling KVM: x86: make vapics_in_nmi_mode atomic MIPS: Fix KVM guest fixmap address x86/PCI: Use host bridge _CRS info on Foxconn K8M890-8237A powerpc/perf: Fix book3s kernel to userspace backtraces arm: KVM: force execution of HCPTR access on VM exit Revert "crypto: talitos - convert to use be16_add_cpu()" crypto: talitos - avoid memleak in talitos_alg_alloc() sctp: Fix race between OOTB responce and route removal packet: avoid out of bounds read in round robin fanout packet: read num_members once in packet_rcv_fanout() bridge: fix br_stp_set_bridge_priority race conditions bridge: fix multicast router rlist endless loop sparc: Use GFP_ATOMIC in ldc_alloc_exp_dring() as it can be called in softirq context Linux 3.10.83 bus: mvebu: pass the coherency availability information at init time KVM: nSVM: Check for NRIPS support before updating control field ARM: clk-imx6q: refine sata's parent d_walk() might skip too much ipv6: update ip6_rt_last_gc every time GC is run ipv6: prevent fib6_run_gc() contention xfrm: Increase the garbage collector threshold Btrfs: make xattr replace operations atomic x86/microcode/intel: Guard against stack overflow in the loader fs: take i_mutex during prepare_binprm for set[ug]id executables hpsa: add missing pci_set_master in kdump path hpsa: refine the pci enable/disable handling sb_edac: Fix erroneous bytes->gigabytes conversion ACPICA: Utilities: Cleanup to remove useless ACPI_PRINTF/FORMAT_xxx helpers. ACPICA: Utilities: Cleanup to convert physical address printing formats. __ptrace_may_access() should not deny sub-threads include/linux/sched.h: don't use task->pid/tgid in same_thread_group/has_group_leader_pid netfilter: Zero the tuple in nfnl_cthelper_parse_tuple() netfilter: nfnetlink_cthelper: Remove 'const' and '&' to avoid warnings config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected get rid of s_files and files_lock fput: turn "list_head delayed_fput_list" into llist_head Linux 3.10.82 lpfc: Add iotag memory barrier pipe: iovec: Fix memory corruption when retrying atomic copy as non-atomic drm/mgag200: Reject non-character-cell-aligned mode widths tracing: Have filter check for balanced ops crypto: caam - fix RNG buffer cache alignment Linux 3.10.81 btrfs: cleanup orphans while looking up default subvolume btrfs: incorrect handling for fiemap_fill_next_extent return cfg80211: wext: clear sinfo struct before calling driver mm/memory_hotplug.c: set zone->wait_table to null after freeing it drm/i915: Fix DDC probe for passive adapters pata_octeon_cf: fix broken build ozwpan: unchecked signed subtraction leads to DoS ozwpan: divide-by-zero leading to panic ozwpan: Use proper check to prevent heap overflow MIPS: Fix enabling of DEBUG_STACKOVERFLOW ring-buffer-benchmark: Fix the wrong sched_priority of producer USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle block: fix ext_dev_lock lockdep report Input: elantech - fix detection of touchpads where the revision matches a known rate ALSA: usb-audio: add MAYA44 USB+ mixer control names ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion ALSA: hda/realtek - Add a fixup for another Acer Aspire 9420 iio: adis16400: Compute the scan mask from channel indices iio: adis16400: Use != channel indices for the two voltage channels iio: adis16400: Report pressure channel scale xen: netback: read hotplug script once at start of day. udp: fix behavior of wrong checksums net_sched: invoke ->attach() after setting dev->qdisc unix/caif: sk_socket can disappear when state is unlocked net: dp83640: fix broken calibration routine. bridge: fix parsing of MLDv2 reports ipv4: Avoid crashing in ip_error net: phy: Allow EEE for all RGMII variants Linux 3.10.80 fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings vfs: read file_handle only once in handle_to_path ACPI / init: Fix the ordering of acpi_reserve_resources() Input: elantech - fix semi-mt protocol for v3 HW rtlwifi: rtl8192cu: Fix kernel deadlock md/raid5: don't record new size if resize_stripes fails. svcrpc: fix potential GSSX_ACCEPT_SEC_CONTEXT decoding failures ARM: fix missing syscall trace exit ARM: dts: imx27: only map 4 Kbyte for fec registers crypto: s390/ghash - Fix incorrect ghash icv buffer handling. rt2x00: add new rt2800usb device DWA 130 libata: Ignore spurious PHY event on LPM policy change libata: Add helper to determine when PHY events should be ignored ext4: check for zero length extent explicitly ext4: convert write_begin methods to stable_page_writes semantics mmc: atmel-mci: fix bad variable type for clkdiv powerpc: Align TOC to 256 bytes usb: gadget: configfs: Fix interfaces array NULL-termination usb-storage: Add NO_WP_DETECT quirk for Lacie 059f:0651 devices USB: cp210x: add ID for KCF Technologies PRN device USB: pl2303: Remove support for Samsung I330 USB: visor: Match I330 phone more precisely xhci: gracefully handle xhci_irq dead device xhci: Solve full event ring by increasing TRBS_PER_SEGMENT to 256 xhci: fix isoc endpoint dequeue from advancing too far on transaction error target/pscsi: Don't leak scsi_host if hba is VIRTUAL_HOST ASoC: wm8994: correct BCLK DIV 348 to 384 ASoC: wm8960: fix "RINPUT3" audio route error ASoC: mc13783: Fix wrong mask value used in mc13xxx_reg_rmw() calls ALSA: hda - Add headphone quirk for Lifebook E752 ALSA: hda - Add Conexant codecs CX20721, CX20722, CX20723 and CX20724 d_walk() might skip too much lib: Fix strnlen_user() to not touch memory after specified maximum hwmon: (ntc_thermistor) Ensure iio channel is of type IIO_VOLTAGE libceph: request a new osdmap if lingering request maps to no osd lguest: fix out-by-one error in address checking. fs, omfs: add NULL terminator in the end up the token list KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages net: socket: Fix the wrong returns for recvmsg and sendmsg kernel: use the gnu89 standard explicitly staging, rtl8192e, LLVMLinux: Remove unused inline prototype staging: rtl8712, rtl8712: avoid lots of build warnings staging, rtl8192e, LLVMLinux: Change extern inline to static inline drm/i915: Fix declaration of intel_gmbus_{is_forced_bit/is_port_falid} staging: wlags49_h2: fix extern inline functions Linux 3.10.79 ACPICA: Utilities: Cleanup to enforce ACPI_PHYSADDR_TO_PTR()/ACPI_PTR_TO_PHYSADDR(). ACPICA: Tables: Change acpi_find_root_pointer() to use acpi_physical_address. revert "softirq: Add support for triggering softirq work on softirqs" sound/oss: fix deadlock in sequencer_ioctl(SNDCTL_SEQ_OUTOFBAND) mmc: card: Don't access RPMB partitions for normal read/write pinctrl: Don't just pretend to protect pinctrl_maps, do it for real drm/i915: Add missing MacBook Pro models with dual channel LVDS ARM: mvebu: armada-xp-openblocks-ax3-4: Disable internal RTC ARM: dts: imx23-olinuxino: Fix dr_mode of usb0 ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name ARM: dts: imx25: Add #pwm-cells to pwm4 gpio: sysfs: fix memory leaks and device hotplug gpio: unregister gpiochip device before removing it xen/console: Update console event channel on resume mm/memory-failure: call shake_page() when error hits thp tail page nilfs2: fix sanity check of btree level in nilfs_btree_root_broken() ocfs2: dlm: fix race between purge and get lock resource Linux 3.10.78 ARC: signal handling robustify UBI: fix soft lockup in ubi_check_volume() Drivers: hv: vmbus: Don't wait after requesting offers ARM: dts: dove: Fix uart[23] reg property staging: panel: fix lcd type usb: gadget: printer: enqueue printer's response for setup request usb: host: oxu210hp: use new USB_RESUME_TIMEOUT 3w-sas: fix command completion race 3w-9xxx: fix command completion race 3w-xxxx: fix command completion race ext4: fix data corruption caused by unwritten and delayed extents rbd: end I/O the entire obj_request on error serial: of-serial: Remove device_type = "serial" registration ALSA: hda - Fix mute-LED fixed mode ALSA: emu10k1: Emu10k2 32 bit DMA mode ALSA: emu10k1: Fix card shortname string buffer overflow ALSA: emux: Fix mutex deadlock in OSS emulation ALSA: emux: Fix mutex deadlock at unloading ipv4: Missing sk_nulls_node_init() in ping_unhash(). Linux 3.10.77 s390: Fix build error nosave: consolidate __nosave_{begin,end} in <asm/sections.h> memstick: mspro_block: add missing curly braces C6x: time: Ensure consistency in __init wl18xx: show rx_frames_per_rates as an array as it really is lib: memzero_explicit: use barrier instead of OPTIMIZER_HIDE_VAR e1000: add dummy allocator to fix race condition between mtu change and netpoll ksoftirqd: Enable IRQs and call cond_resched() before poking RCU RCU pathwalk breakage when running into a symlink overmounting something drm/i915: cope with large i2c transfers drm/radeon: fix doublescan modes (v2) i2c: core: Export bus recovery functions IB/mlx4: Fix WQE LSO segment calculation IB/core: don't disallow registering region starting at 0x0 IB/core: disallow registering 0-sized memory region stk1160: Make sure current buffer is released mvsas: fix panic on expander attached SATA devices Drivers: hv: vmbus: Fix a bug in the error path in vmbus_open() xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range xtensa: xtfpga: fix hardware lockup caused by LCD driver ACPICA: Utilities: split IO address types from data type models. drivers: parport: Kconfig: exclude arm64 for PARPORT_PC scsi: storvsc: Fix a bug in copy_from_bounce_buffer() UBI: fix check for "too many bytes" UBI: initialize LEB number variable UBI: fix out of bounds write UBI: account for bitflips in both the VID header and data tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support for O= option in Makefile powerpc/perf: Cap 64bit userspace backtraces to PERF_MAX_STACK_DEPTH ext4: make fsync to sync parent dir in no-journal for real this time arm64: kernel: compiling issue, need delete read_current_timer() video: vgacon: Don't build on arm64 console: Disable VGA text console support on cris drivers: parport: Kconfig: exclude h8300 for PARPORT_PC parport: disable PC-style parallel port support on cris rtlwifi: rtl8192cu: Add new device ID rtlwifi: rtl8192cu: Add new USB ID ptrace: fix race between ptrace_resume() and wait_task_stopped() fs/binfmt_elf.c: fix bug in loading of PIE binaries Input: elantech - fix absolute mode setting on some ASUS laptops ALSA: emu10k1: don't deadlock in proc-functions usb: core: hub: use new USB_RESUME_TIMEOUT usb: host: sl811: use new USB_RESUME_TIMEOUT usb: host: xhci: use new USB_RESUME_TIMEOUT usb: host: isp116x: use new USB_RESUME_TIMEOUT usb: host: r8a66597: use new USB_RESUME_TIMEOUT usb: define a generic USB_RESUME_TIMEOUT macro usb: phy: Find the right match in devm_usb_phy_match ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore ARM: 8320/1: fix integer overflow in ELF_ET_DYN_BASE power_supply: lp8788-charger: Fix leaked power supply on probe fail ring-buffer: Replace this_cpu_*() with __this_cpu_*() spi: spidev: fix possible arithmetic overflow for multi-transfer message cdc-wdm: fix endianness bug in debug statements MIPS: Hibernate: flush TLB entries earlier KVM: use slowpath for cross page cached accesses s390/hibernate: fix save and restore of kernel text section KVM: s390: Zero out current VMDB of STSI before including level3 data. usb: gadget: composite: enable BESL support Btrfs: fix inode eviction infinite loop after cloning into it Btrfs: fix log tree corruption when fs mounted with -o discard tcp: avoid looping in tcp_send_fin() tcp: fix possible deadlock in tcp_send_fin() ip_forward: Drop frames with attached skb->sk Linux 3.10.76 dcache: Fix locking bugs in backported "deal with deadlock in d_walk()" arc: mm: Fix build failure sb_edac: avoid INTERNAL ERROR message in EDAC with unspecified channel x86: mm: move mmap_sem unlock from mm_fault_error() to caller vm: make stack guard page errors return VM_FAULT_SIGSEGV rather than SIGBUS vm: add VM_FAULT_SIGSEGV handling support deal with deadlock in d_walk() move d_rcu from overlapping d_child to overlapping d_alias kconfig: Fix warning "‘jump’ may be used uninitialized" KVM: x86: SYSENTER emulation is broken netfilter: conntrack: disable generic tracking for known protocols Bluetooth: Ignore isochronous endpoints for Intel USB bootloader Bluetooth: Add support for Intel bootloader devices Bluetooth: btusb: Add IMC Networks (Broadcom based) Bluetooth: Add firmware update for Atheros 0cf3:311f Bluetooth: Enable Atheros 0cf3:311e for firmware upload mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support splice: Apply generic position and size checks to each write jfs: fix readdir regression serial: 8250_dw: Fix deadlock in LCR workaround benet: Call dev_kfree_skby_any instead of kfree_skb. ixgb: Call dev_kfree_skby_any instead of dev_kfree_skb. tg3: Call dev_kfree_skby_any instead of dev_kfree_skb. bnx2: Call dev_kfree_skby_any instead of dev_kfree_skb. r8169: Call dev_kfree_skby_any instead of dev_kfree_skb. 8139too: Call dev_kfree_skby_any instead of dev_kfree_skb. 8139cp: Call dev_kfree_skby_any instead of kfree_skb. tcp: tcp_make_synack() should clear skb->tstamp tcp: fix FRTO undo on cumulative ACK of SACKed range ipv6: Don't reduce hop limit for an interface tcp: prevent fetching dst twice in early demux code remove extra definitions of U32_MAX conditionally define U32_MAX Linux 3.10.75 pagemap: do not leak physical addresses to non-privileged userspace console: Fix console name size mismatch IB/mlx4: Saturate RoCE port PMA counters in case of overflow kernel.h: define u8, s8, u32, etc. limits net: llc: use correct size for sysctl timeout entries net: rds: use correct size for max unacked packets and bytes ipc: fix compat msgrcv with negative msgtyp core, nfqueue, openvswitch: fix compilation warning media: s5p-mfc: fix mmap support for 64bit arch iscsi target: fix oops when adding reject pdu ocfs2: _really_ sync the right range be2iscsi: Fix kernel panic when device initialization fails cifs: fix use-after-free bug in find_writable_file usb: xhci: apply XHCI_AVOID_BEI quirk to all Intel xHCI controllers cpuidle: ACPI: do not overwrite name and description of C0 dmaengine: omap-dma: Fix memory leak when terminating running transfer iio: imu: Use iio_trigger_get for indio_dev->trig assignment iio: inv_mpu6050: Clear timestamps fifo while resetting hardware fifo Defer processing of REQ_PREEMPT requests for blocked devices USB: ftdi_sio: Use jtag quirk for SNAP Connect E10 USB: ftdi_sio: Added custom PID for Synapse Wireless product radeon: Do not directly dereference pointers to BIOS area. writeback: fix possible underflow in write bandwidth calculation writeback: add missing INITIAL_JIFFIES init in global_update_bandwidth() mm/memory hotplug: postpone the reset of obsolete pgdat nbd: fix possible memory leak iwlwifi: dvm: run INIT firmware again upon .start() IB/uverbs: Prevent integer overflow in ib_umem_get address arithmetic IB/core: Avoid leakage from kernel to user space tcp: Fix crash in TCP Fast Open selinux: fix sel_write_enforce broken return value ALSA: hda - Fix headphone pin config for Lifebook T731 ALSA: usb - Creative USB X-Fi Pro SB1095 volume knob support ALSA: hda - Add one more node in the EAPD supporting candidate list Linux 3.10.74 net: ethernet: pcnet32: Setup the SRAM and NOUFLO on Am79C97{3, 5} powerpc/mpc85xx: Add ranges to etsec2 nodes hfsplus: fix B-tree corruption after insertion at position 0 dm: hold suspend_lock while suspending device during device deletion vt6655: RFbSetPower fix missing rate RATE_12M perf: Fix irq_work 'tail' recursion Revert "iwlwifi: mvm: fix failure path when power_update fails in add_interface" mac80211: drop unencrypted frames in mesh fwding mac80211: disable u-APSD queues by default nl80211: ignore HT/VHT capabilities without QoS/WMM tcm_qla2xxx: Fix incorrect use of __transport_register_session tcm_fc: missing curly braces in ft_invl_hw_context() ASoC: wm8955: Fix wrong value references for boolean kctl ASoC: adav80x: Fix wrong value references for boolean kctl ASoC: ak4641: Fix wrong value references for boolean kctl ASoC: wm8904: Fix wrong value references for boolean kctl ASoC: wm8903: Fix wrong value references for boolean kctl ASoC: wm2000: Fix wrong value references for boolean kctl ASoC: wm8731: Fix wrong value references for boolean kctl ASoC: tas5086: Fix wrong value references for boolean kctl ASoC: wm8960: Fix wrong value references for boolean kctl ASoC: cs4271: Fix wrong value references for boolean kctl ASoC: sgtl5000: remove useless register write clearing CHRGPUMP_POWERUP Linux 3.10.73 target: Allow Write Exclusive non-reservation holders to READ target: Allow AllRegistrants to re-RESERVE existing reservation target: Fix R_HOLDER bit usage for AllRegistrants target/pscsi: Fix NULL pointer dereference in get_device_type iscsi-target: Avoid early conn_logout_comp for iser connections target: Fix reference leak in target_get_sess_cmd() error path ARM: at91: pm: fix at91rm9200 standby ipvs: rerouting to local clients is not needed anymore ipvs: add missing ip_vs_pe_put in sync code powerpc/smp: Wait until secondaries are active & online x86/vdso: Fix the build on GCC5 x86/fpu: Drop_fpu() should not assume that tsk equals current x86/fpu: Avoid math_state_restore() without used_math() in __restore_xstate_sig() crypto: aesni - fix memory usage in GCM decryption libsas: Fix Kernel Crash in smp_execute_task xen-pciback: limit guest control of command register nilfs2: fix deadlock of segment constructor during recovery regulator: core: Fix enable GPIO reference counting regulator: Only enable disabled regulators on resume ALSA: hda - Treat stereo-to-mono mix properly ALSA: hda - Add workaround for MacBook Air 5,2 built-in mic ALSA: hda - Set single_adc_amp flag for CS420x codecs ALSA: hda - Don't access stereo amps for mono channel widgets ALSA: hda - Fix built-in mic on Compaq Presario CQ60 ALSA: control: Add sanity checks for user ctl id name string spi: pl022: Fix race in giveback() leading to driver lock-up tpm/ibmvtpm: Additional LE support for tpm_ibmvtpm_send workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE can: add missing initialisations in CAN related skbuffs Change email address for 8250_pci virtio_console: init work unconditionally fuse: notify: don't move pages fuse: set stolen page uptodate drm/radeon: drop setting UPLL to sleep mode drm/radeon: do a posting read in rs600_set_irq drm/radeon: do a posting read in si_set_irq drm/radeon: do a posting read in r600_set_irq drm/radeon: do a posting read in r100_set_irq drm/radeon: do a posting read in evergreen_set_irq drm/radeon: fix DRM_IOCTL_RADEON_CS oops tcp: make connect() mem charging friendly net: compat: Update get_compat_msghdr() to match copy_msghdr_from_user() behaviour tcp: fix tcp fin memory accounting Revert "net: cx82310_eth: use common match macro" rxrpc: bogus MSG_PEEK test in rxrpc_recvmsg() caif: fix MSG_OOB test in caif_seqpkt_recvmsg() inet_diag: fix possible overflow in inet_diag_dump_one_icsk() rds: avoid potential stack overflow net: sysctl_net_core: check SNDBUF and RCVBUF for min length sparc64: Fix several bugs in memmove(). sparc: Touch NMI watchdog when walking cpus and calling printk sparc: perf: Make counting mode actually work sparc: perf: Remove redundant perf_pmu_{en|dis}able calls sparc: semtimedop() unreachable due to comparison error sparc32: destroy_context() and switch_mm() needs to disable interrupts. Linux 3.10.72 ath5k: fix spontaneus AR5312 freezes ACPI / video: Load the module even if ACPI is disabled drm/radeon: fix 1 RB harvest config setup for TN/RL Drivers: hv: vmbus: incorrect device name is printed when child device is unregistered HID: fixup the conflicting keyboard mappings quirk HID: input: fix confusion on conflicting mappings staging: comedi: cb_pcidas64: fix incorrect AI range code handling dm snapshot: fix a possible invalid memory access on unload dm: fix a race condition in dm_get_md dm io: reject unsupported DISCARD requests with EOPNOTSUPP dm mirror: do not degrade the mirror on discard error staging: comedi: comedi_compat32.c: fix COMEDI_CMD copy back clk: sunxi: Support factor clocks with N factor starting not from 0 fixed invalid assignment of 64bit mask to host dma_boundary for scatter gather segment boundary limit. nilfs2: fix potential memory overrun on inode IB/qib: Do not write EEPROM sg: fix read() error reporting ALSA: hda - Add pin configs for ASUS mobo with IDT 92HD73XX codec ALSA: pcm: Don't leave PREPARED state after draining tty: fix up atime/mtime mess, take four sunrpc: fix braino in ->poll() procfs: fix race between symlink removals and traversals debugfs: leave freeing a symlink body until inode eviction autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation USB: serial: fix potential use-after-free after failed probe TTY: fix tty_wait_until_sent on 64-bit machines USB: serial: fix infinite wait_until_sent timeout net: irda: fix wait_until_sent poll timeout xhci: fix reporting of 0-sized URBs in control endpoint xhci: Allocate correct amount of scratchpad buffers usb: ftdi_sio: Add jtag quirk support for Cyber Cortex AV boards USB: usbfs: don't leak kernel data in siginfo USB: serial: cp210x: Adding Seletek device id's KVM: MIPS: Fix trace event to save PC directly KVM: emulate: fix CMPXCHG8B on 32-bit hosts Btrfs:__add_inode_ref: out of bounds memory read when looking for extended ref. Btrfs: fix data loss in the fast fsync path btrfs: fix lost return value due to variable shadowing iio: imu: adis16400: Fix sign extension x86/asm/entry/64: Remove a bogus 'ret_from_fork' optimization PM / QoS: remove duplicate call to pm_qos_update_target target: Check for LBA + sectors wrap-around in sbc_parse_cdb mm/memory.c: actually remap enough memory mm/compaction: fix wrong order check in compact_finished() mm/nommu.c: fix arithmetic overflow in __vm_enough_memory() mm/mmap.c: fix arithmetic overflow in __vm_enough_memory() mm/hugetlb: add migration entry check in __unmap_hugepage_range team: don't traverse port list using rcu in team_set_mac_address udp: only allow UFO for packets from SOCK_DGRAM sockets usb: plusb: Add support for National Instruments host-to-host cable macvtap: make sure neighbour code can push ethernet header net: compat: Ignore MSG_CMSG_COMPAT in compat_sys_{send, recv}msg team: fix possible null pointer dereference in team_handle_frame net: reject creation of netdev names with colons ematch: Fix auto-loading of ematch modules. net: phy: Fix verification of EEE support in phy_init_eee ipv4: ip_check_defrag should not assume that skb_network_offset is zero ipv4: ip_check_defrag should correctly check return value of skb_copy_bits gen_stats.c: Duplicate xstats buffer for later use rtnetlink: call ->dellink on failure when ->newlink exists ipv6: fix ipv6_cow_metrics for non DST_HOST case rtnetlink: ifla_vf_policy: fix misuses of NLA_BINARY Linux 3.10.71 libceph: fix double __remove_osd() problem libceph: change from BUG to WARN for __remove_osd() asserts libceph: assert both regular and lingering lists in __remove_osd() MIPS: Export FP functions used by lose_fpu(1) for KVM x86, mm/ASLR: Fix stack randomization on 64-bit systems blk-throttle: check stats_cpu before reading it from sysfs jffs2: fix handling of corrupted summary length md/raid1: fix read balance when a drive is write-mostly. md/raid5: Fix livelock when array is both resyncing and degraded. metag: Fix KSTK_EIP() and KSTK_ESP() macros gpio: tps65912: fix wrong container_of arguments arm64: compat Fix siginfo_t -> compat_siginfo_t conversion on big endian hx4700: regulator: declare full constraints KVM: x86: update masterclock values on TSC writes KVM: MIPS: Don't leak FPU/DSP to guest ARC: fix page address calculation if PAGE_OFFSET != LINUX_LINK_BASE ntp: Fixup adjtimex freq validation on 32-bit systems kdb: fix incorrect counts in KDB summary command output ARM: pxa: add regulator_has_full_constraints to poodle board file ARM: pxa: add regulator_has_full_constraints to corgi board file vt: provide notifications on selection changes usb: core: buffer: smallest buffer should start at ARCH_DMA_MINALIGN USB: fix use-after-free bug in usb_hcd_unlink_urb() USB: cp210x: add ID for RUGGEDCOM USB Serial Console tty: Prevent untrappable signals from malicious program axonram: Fix bug in direct_access cfq-iosched: fix incorrect filing of rt async cfqq cfq-iosched: handle failure of cfq group allocation iscsi-target: Drop problematic active_ts_list usage NFSv4.1: Fix a kfree() of uninitialised pointers in decode_cb_sequence_args Added Little Endian support to vtpm module tpm/tpm_i2c_stm_st33: Fix potential bug in tpm_stm_i2c_send tpm: Fix NULL return in tpm_ibmvtpm_get_desired_dma tpm_tis: verify interrupt during init ARM: 8284/1: sa1100: clear RCSR_SMR on resume tracing: Fix unmapping loop in tracing_mark_write MIPS: KVM: Deliver guest interrupts after local_irq_disable() nfs: don't call blocking operations while !TASK_RUNNING mmc: sdhci-pxav3: fix setting of pdata->clk_delay_cycles power_supply: 88pm860x: Fix leaked power supply on probe fail ALSA: hdspm - Constrain periods to 2 on older cards ALSA: off by one bug in snd_riptide_joystick_probe() lmedm04: Fix usb_submit_urb BOGUS urb xfer, pipe 1 != type 3 in interrupt urb cpufreq: speedstep-smi: enable interrupts when waiting PCI: Fix infinite loop with ROM image of size 0 PCI: Generate uppercase hex for modalias var in uevent HID: i2c-hid: Limit reads to wMaxInputLength bytes for input events iwlwifi: mvm: always use mac color zero iwlwifi: mvm: fix failure path when power_update fails in add_interface iwlwifi: mvm: validate tid and sta_id in ba_notif iwlwifi: pcie: disable the SCD_BASE_ADDR when we resume from WoWLAN fsnotify: fix handling of renames in audit xfs: set superblock buffer type correctly xfs: inode unlink does not set AGI buffer type xfs: ensure buffer types are set correctly Bluetooth: ath3k: workaround the compatibility issue with xHCI controller Linux 3.10.70 rbd: drop an unsafe assertion media/rc: Send sync space information on the lirc device net: sctp: fix passing wrong parameter header to param_type2af in sctp_process_param ppp: deflate: never return len larger than output buffer ipv4: tcp: get rid of ugly unicast_sock tcp: ipv4: initialize unicast_sock sk_pacing_rate bridge: dont send notification when skb->len == 0 in rtnl_bridge_notify ipv6: replacing a rt6_info needs to purge possible propagated rt6_infos too ping: Fix race in free in receive path udp_diag: Fix socket skipping within chain ipv4: try to cache dst_entries which would cause a redirect net: sctp: fix slab corruption from use after free on INIT collisions netxen: fix netxen_nic_poll() logic ipv6: stop sending PTB packets for MTU < 1280 net: rps: fix cpu unplug ip: zero sockaddr returned on error queue Linux 3.10.69 crypto: crc32c - add missing crypto module alias x86,kvm,vmx: Preserve CR4 across VM entry kvm: vmx: handle invvpid vm exit gracefully smpboot: Add missing get_online_cpus() in smpboot_register_percpu_thread() ALSA: ak411x: Fix stall in work callback ASoC: sgtl5000: add delay before first I2C access ASoC: atmel_ssc_dai: fix start event for I2S mode lib/checksum.c: fix build for generic csum_tcpudp_nofold ext4: prevent bugon on race between write/fcntl arm64: Fix up /proc/cpuinfo nilfs2: fix deadlock of segment constructor over I_SYNC flag lib/checksum.c: fix carry in csum_tcpudp_nofold mm: pagewalk: call pte_hole() for VM_PFNMAP during walk_page_range MIPS: Fix kernel lockup or crash after CPU offline/online MIPS: IRQ: Fix disable_irq on CPU IRQs PCI: Add NEC variants to Stratus ftServer PCIe DMI check gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low gpio: sysfs: fix memory leak in gpiod_export_link Linux 3.10.68 target: Drop arbitrary maximum I/O size limit iser-target: Fix implicit termination of connections iser-target: Handle ADDR_CHANGE event for listener cm_id iser-target: Fix connected_handler + teardown flow race iser-target: Parallelize CM connection establishment iser-target: Fix flush + disconnect completion handling iscsi,iser-target: Initiate termination only once vhost-scsi: Add missing virtio-scsi -> TCM attribute conversion tcm_loop: Fix wrong I_T nexus association vhost-scsi: Take configfs group dependency during VHOST_SCSI_SET_ENDPOINT ib_isert: Add max_send_sge=2 minimum for control PDU responses IB/isert: Adjust CQ size to HW limits workqueue: fix subtle pool management issue which can stall whole worker_pool gpio: squelch a compiler warning efi-pstore: Make efi-pstore return a unique id pstore/ram: avoid atomic accesses for ioremapped regions pstore: Fix NULL pointer fault if get NULL prz in ramoops_get_next_prz pstore: skip zero size persistent ram buffer in traverse pstore: clarify clearing of _read_cnt in ramoops_context pstore: d_alloc_name() doesn't return an ERR_PTR pstore: Fail to unlink if a driver has not defined pstore_erase ARM: 8109/1: mm: Modify pte_write and pmd_write logic for LPAE ARM: 8108/1: mm: Introduce {pte,pmd}_isset and {pte,pmd}_isclear ARM: DMA: ensure that old section mappings are flushed from the TLB ARM: 7931/1: Correct virt_addr_valid ARM: fix asm/memory.h build error ARM: 7867/1: include: asm: use 'int' instead of 'unsigned long' for 'oldval' in atomic_cmpxchg(). ARM: 7866/1: include: asm: use 'long long' instead of 'u64' within atomic.h ARM: lpae: fix definition of PTE_HWTABLE_PTRS ARM: fix type of PHYS_PFN_OFFSET to unsigned long ARM: LPAE: use phys_addr_t in alloc_init_pud() ARM: LPAE: use signed arithmetic for mask definitions ARM: mm: correct pte_same behaviour for LPAE. ARM: 7829/1: Add ".text.unlikely" and ".text.hot" to arm unwind tables drivers: net: cpsw: discard dual emac default vlan configuration regulator: core: fix race condition in regulator_put() spi/pxa2xx: Clear cur_chip pointer before starting next message dm cache: fix missing ERR_PTR returns and handling dm thin: don't allow messages to be sent to a pool target in READ_ONLY or FAIL mode nl80211: fix per-station group key get/del and memory leak NFSv4.1: Fix an Oops in nfs41_walk_client_list nfs: fix dio deadlock when O_DIRECT flag is flipped Input: i8042 - add noloop quirk for Medion Akoya E7225 (MD98857) ALSA: seq-dummy: remove deadlock-causing events on close powerpc/xmon: Fix another endiannes issue in RTAS call from xmon can: kvaser_usb: Fix state handling upon BUS_ERROR events can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT can: kvaser_usb: Send correct context to URB completion can: kvaser_usb: Do not sleep in atomic context ASoC: wm8960: Fix capture sample rate from 11250 to 11025 spi: dw-mid: fix FIFO size Linux 3.10.67 md/raid5: fetch_block must fetch all the blocks handle_stripe_dirtying wants. ext4: fix warning in ext4_da_update_reserve_space() quota: provide interface for readding allocated space into reserved space crypto: add missing crypto module aliases crypto: include crypto- module prefix in template crypto: prefix module autoloading with "crypto-" drbd: merge_bvec_fn: properly remap bvm->bi_bdev Revert "swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single" ipvs: uninitialized data with IP_VS_IPV6 KEYS: close race between key lookup and freeing sata_dwc_460ex: fix resource leak on error path x86/asm/traps: Disable tracing and kprobes in fixup_bad_iret and sync_regs x86, tls: Interpret an all-zero struct user_desc as "no segment" x86, tls, ldt: Stop checking lm in LDT_empty x86/tsc: Change Fast TSC calibration failed from error to info x86, hyperv: Mark the Hyper-V clocksource as being continuous clocksource: exynos_mct: Fix bitmask regression for exynos4_mct_write can: dev: fix crtlmode_supported check bus: mvebu-mbus: fix support of MBus window 13 ARM: dts: imx25: Fix PWM "per" clocks time: adjtimex: Validate the ADJ_FREQUENCY values time: settimeofday: Validate the values of tv from user dm cache: share cache-metadata object across inactive and active DM tables ipr: wait for aborted command responses drm/i915: Fix mutex->owner inspection race under DEBUG_MUTEXES scripts/recordmcount.pl: There is no -m32 gcc option on Super-H anymore ALSA: usb-audio: Add mic volume fix quirk for Logitech Webcam C210 libata: prevent HSM state change race between ISR and PIO pinctrl: Fix two deadlocks gpio: sysfs: fix gpio device-attribute leak gpio: sysfs: fix gpio-chip device-attribute leak Linux 3.10.66 s390/3215: fix tty output containing tabs s390/3215: fix hanging console issue fsnotify: next_i is freed during fsnotify_unmount_inodes. netfilter: ipset: small potential read beyond the end of buffer mmc: sdhci: Fix sleep in atomic after inserting SD card LOCKD: Fix a race when initialising nlmsvc_timeout x86, um: actually mark system call tables readonly um: Skip futex_atomic_cmpxchg_inatomic() test decompress_bunzip2: off by one in get_next_block() ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances ARM: omap5/dra7xx: Fix frequency typos ARM: clk-imx6q: fix video divider for rev T0 1.0 ARM: imx6q: drop unnecessary semicolon ARM: dts: imx25: Fix the SPI1 clocks Input: I8042 - add Acer Aspire 7738 to the nomux list Input: i8042 - reset keyboard to fix Elantech touchpad detection can: kvaser_usb: Don't send a RESET_CHIP for non-existing channels can: kvaser_usb: Reset all URB tx contexts upon channel close can: kvaser_usb: Don't free packets when tight on URBs USB: keyspan: fix null-deref at probe USB: cp210x: add IDs for CEL USB sticks and MeshWorks devices USB: cp210x: fix ID for production CEL MeshConnect USB Stick usb: dwc3: gadget: Stop TRB preparation after limit is reached usb: dwc3: gadget: Fix TRB preparation during SG OHCI: add a quirk for ULi M5237 blocking on reset gpiolib: of: Correct error handling in of_get_named_gpiod_flags NFSv4.1: Fix client id trunking on Linux ftrace/jprobes/x86: Fix conflict between jprobes and function graph tracing vfio-pci: Fix the check on pci device type in vfio_pci_probe() uvcvideo: Fix destruction order in uvc_delete() smiapp: Take mutex during PLL update in sensor initialisation af9005: fix kernel panic on init if compiled without IR smiapp-pll: Correct clock debug prints video/logo: prevent use of logos after they have been freed storvsc: ring buffer failures may result in I/O freeze iscsi-target: Fail connection on short sendmsg writes hp_accel: Add support for HP ZBook 15 cfg80211: Fix 160 MHz channels with 80+80 and 160 MHz drivers ARC: [nsimosci] move peripherals to match model to FPGA drm/i915: Force the CS stall for invalidate flushes drm/i915: Invalidate media caches on gen7 drm/radeon: properly filter DP1.2 4k modes on non-DP1.2 hw drm/radeon: check the right ring in radeon_evict_flags() drm/vmwgfx: Fix fence event code enic: fix rx skb checksum alx: fix alx_poll() tcp: Do not apply TSO segment limit to non-TSO packets tg3: tg3_disable_ints using uninitialized mailbox value to disable interrupts netlink: Don't reorder loads/stores before marking mmap netlink frame as available netlink: Always copy on mmap TX. Linux 3.10.65 mm: Don't count the stack guard page towards RLIMIT_STACK mm: propagate error from stack expansion even for guard page mm, vmscan: prevent kswapd livelock due to pfmemalloc-throttled process being killed perf session: Do not fail on processing out of order event perf: Fix events installation during moving group perf/x86/intel/uncore: Make sure only uncore events are collected Btrfs: don't delay inode ref updates during log replay ARM: mvebu: disable I/O coherency on non-SMP situations on Armada 370/375/38x/XP scripts/kernel-doc: don't eat struct members with __aligned nilfs2: fix the nilfs_iget() vs. nilfs_new_inode() races nfsd4: fix xdr4 inclusion of escaped char fs: nfsd: Fix signedness bug in compare_blob serial: samsung: wait for transfer completion before clock disable writeback: fix a subtle race condition in I_DIRTY clearing cdc-acm: memory leak in error case genhd: check for int overflow in disk_expand_part_tbl() USB: cdc-acm: check for valid interfaces ALSA: hda - Fix wrong gpio_dir & gpio_mask hint setups for IDT/STAC codecs ALSA: hda - using uninitialized data ALSA: usb-audio: extend KEF X300A FU 10 tweak to Arcam rPAC driver core: Fix unbalanced device reference in drivers_probe x86, vdso: Use asm volatile in __getcpu x86_64, vdso: Fix the vdso address randomization algorithm HID: Add a new id 0x501a for Genius MousePen i608X HID: add battery quirk for USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO keyboard HID: roccat: potential out of bounds in pyra_sysfs_write_settings() HID: i2c-hid: prevent buffer overflow in early IRQ HID: i2c-hid: fix race condition reading reports iommu/vt-d: Fix an off-by-one bug in __domain_mapping() UBI: Fix double free after do_sync_erase() UBI: Fix invalid vfree() pstore-ram: Allow optional mapping with pgprot_noncached pstore-ram: Fix hangs by using write-combine mappings PCI: Restore detection of read-only BARs ASoC: dwc: Ensure FIFOs are flushed to prevent channel swap ASoC: max98090: Fix ill-defined sidetone route ASoC: sigmadsp: Refuse to load firmware files with a non-supported version ath5k: fix hardware queue index assignment swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single can: peak_usb: fix memset() usage can: peak_usb: fix cleanup sequence order in case of error during init ath9k: fix BE/BK queue order ath9k_hw: fix hardware queue allocation ocfs2: fix journal commit deadlock Linux 3.10.64 Btrfs: fix fs corruption on transaction abort if device supports discard Btrfs: do not move em to modified list when unpinning eCryptfs: Remove buggy and unnecessary write in file name decode routine eCryptfs: Force RO mount when encrypted view is enabled udf: Verify symlink size before loading it exit: pidns: alloc_pid() leaks pid_namespace if child_reaper is exiting ncpfs: return proper error from NCP_IOC_SETROOT ioctl crypto: af_alg - fix backlog handling userns: Unbreak the unprivileged remount tests userns: Allow setting gid_maps without privilege when setgroups is disabled userns: Add a knob to disable setgroups on a per user namespace basis userns: Rename id_map_mutex to userns_state_mutex userns: Only allow the creator of the userns unprivileged mappings userns: Check euid no fsuid when establishing an unprivileged uid mapping userns: Don't allow unprivileged creation of gid mappings userns: Don't allow setgroups until a gid mapping has been setablished userns: Document what the invariant required for safe unprivileged mappings. groups: Consolidate the setgroups permission checks umount: Disallow unprivileged mount force mnt: Update unprivileged remount test mnt: Implicitly add MNT_NODEV on remount when it was implicitly added by mount mac80211: free management frame keys when removing station mac80211: fix multicast LED blinking and counter KEYS: Fix stale key registration at error path isofs: Fix unchecked printing of ER records x86/tls: Don't validate lm in set_thread_area() after all dm space map metadata: fix sm_bootstrap_get_nr_blocks() dm bufio: fix memleak when using a dm_buffer's inline bio nfs41: fix nfs4_proc_layoutget error handling megaraid_sas: corrected return of wait_event from abort frame path mmc: block: add newline to sysfs display of force_ro mfd: tc6393xb: Fail ohci suspend if full state restore is required md/bitmap: always wait for writes on unplug. x86, kvm: Clear paravirt_enabled on KVM guests for espfix32's benefit x86_64, switch_to(): Load TLS descriptors before switching DS and ES x86/tls: Disallow unusual TLS segments x86/tls: Validate TLS entries to protect espfix isofs: Fix infinite looping over CE entries Linux 3.10.63 ALSA: usb-audio: Don't resubmit pending URBs at MIDI error recovery powerpc: 32 bit getcpu VDSO function uses 64 bit instructions ARM: sched_clock: Load cycle count after epoch stabilizes igb: bring link up when PHY is powered up ext2: Fix oops in ext2_get_block() called from ext2_quota_write() nEPT: Nested INVEPT net: sctp: use MAX_HEADER for headroom reserve in output path net: mvneta: fix Tx interrupt delay rtnetlink: release net refcnt on error in do_setlink() net/mlx4_core: Limit count field to 24 bits in qp_alloc_res tg3: fix ring init when there are more TX than RX channels ipv6: gre: fix wrong skb->protocol in WCCP sata_fsl: fix error handling of irq_of_parse_and_map ahci: disable MSI on SAMSUNG 0xa800 SSD AHCI: Add DeviceIDs for Sunrise Point-LP SATA controller media: smiapp: Only some selection targets are settable drm/i915: Unlock panel even when LVDS is disabled drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6 i2c: davinci: generate STP always when NACK is received i2c: omap: fix i207 errata handling i2c: omap: fix NACK and Arbitration Lost irq handling xen-netfront: Remove BUGs on paged skb data which crosses a page boundary mm: fix swapoff hang after page migration and fork mm: frontswap: invalidate expired data on a dup-store failure Linux 3.10.62 nfsd: Fix ACL null pointer deref powerpc/powernv: Honor the generic "no_64bit_msi" flag bnx2fc: do not add shared skbs to the fcoe_rx_list nfsd4: fix leak of inode reference on delegation failure nfsd: Fix slot wake up race in the nfsv4.1 callback code rt2x00: do not align payload on modern H/W can: dev: avoid calling kfree_skb() from interrupt context spi: dw: Fix dynamic speed change. iser-target: Handle DEVICE_REMOVAL event on network portal listener correctly target: Don't call TFO->write_pending if data_length == 0 srp-target: Retry when QP creation fails with ENOMEM Input: xpad - use proper endpoint type ARM: 8222/1: mvebu: enable strex backoff delay ARM: 8216/1: xscale: correct auxiliary register in suspend/resume ALSA: usb-audio: Add ctrl message delay quirk for Marantz/Denon devices can: esd_usb2: fix memory leak on disconnect USB: xhci: don't start a halted endpoint before its new dequeue is set usb-quirks: Add reset-resume quirk for MS Wireless Laser Mouse 6000 usb: serial: ftdi_sio: add PIDs for Matrix Orbital products USB: serial: cp210x: add IDs for CEL MeshConnect USB Stick USB: keyspan: fix tty line-status reporting USB: keyspan: fix overrun-error reporting USB: ssu100: fix overrun-error reporting iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask powerpc/pseries: Fix endiannes issue in RTAS call from xmon powerpc/pseries: Honor the generic "no_64bit_msi" flag of/base: Fix PowerPC address parsing hack ASoC: wm_adsp: Avoid attempt to free buffers that might still be in use ASoC: sgtl5000: Fix SMALL_POP bit definition PCI/MSI: Add device flag indicating that 64-bit MSIs don't work ipx: fix locking regression in ipx_sendmsg and ipx_recvmsg pptp: fix stack info leak in pptp_getname() qmi_wwan: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem ieee802154: fix error handling in ieee802154fake_probe() ipv4: Fix incorrect error code when adding an unreachable route inetdevice: fixed signed integer overflow sparc64: Fix constraints on swab helpers. uprobes, x86: Fix _TIF_UPROBE vs _TIF_NOTIFY_RESUME x86, mm: Set NX across entire PMD at boot x86: Require exact match for 'noxsave' command line option x86_64, traps: Rework bad_iret x86_64, traps: Stop using IST for #SS x86_64, traps: Fix the espfix64 #DF fixup and rewrite it in C MIPS: Loongson: Make platform serial setup always built-in. MIPS: oprofile: Fix backtrace on 64-bit kernel Linux 3.10.61 mm: memcg: handle non-error OOM situations more gracefully mm: memcg: do not trap chargers with full callstack on OOM mm: memcg: rework and document OOM waiting and wakeup mm: memcg: enable memcg OOM killer only for user faults x86: finish user fault error path with fatal signal arch: mm: pass userspace fault flag to generic fault handler arch: mm: do not invoke OOM killer on kernel fault OOM arch: mm: remove obsolete init OOM protection mm: invoke oom-killer from remaining unconverted page fault handlers net: sctp: fix skb_over_panic when receiving malformed ASCONF chunks net: sctp: fix panic on duplicate ASCONF chunks net: sctp: fix remote memory pressure from excessive queueing KVM: x86: Don't report guest userspace emulation error to userspace SCSI: hpsa: fix a race in cmd_free/scsi_done net/mlx4_en: Fix BlueFlame race ARM: Correct BUG() assembly to ensure it is endian-agnostic perf/x86/intel: Use proper dTLB-load-misses event on IvyBridge mei: bus: fix possible boundaries violation perf: Handle compat ioctl MIPS: Fix forgotten preempt_enable() when CPU has inclusive pcaches dell-wmi: Fix access out of memory ARM: probes: fix instruction fetch order with <asm/opcodes.h> br: fix use of ->rx_handler_data in code executed on non-rx_handler path netfilter: nf_nat: fix oops on netns removal netfilter: xt_bpf: add mising opaque struct sk_filter definition netfilter: nf_log: release skbuff on nlmsg put failure netfilter: nfnetlink_log: fix maximum packet length logged to userspace netfilter: nf_log: account for size of NLMSG_DONE attribute ipc: always handle a new value of auto_msgmni clocksource: Remove "weak" from clocksource_default_clock() declaration kgdb: Remove "weak" from kgdb_arch_pc() declaration media: ttusb-dec: buffer overflow in ioctl NFSv4: Fix races between nfs_remove_bad_delegation() and delegation return nfs: Fix use of uninitialized variable in nfs_getattr() NFS: Don't try to reclaim delegation open state if recovery failed NFSv4: Ensure that we remove NFSv4.0 delegations when state has expired Input: alps - allow up to 2 invalid packets without resetting device Input: alps - ignore potential bare packets when device is out of sync dm raid: ensure superblock's size matches device's logical block size dm btree: fix a recursion depth bug in btree walking code block: Fix computation of merged request priority parisc: Use compat layer for msgctl, shmat, shmctl and semtimedop syscalls scsi: only re-lock door after EH on devices that were reset nfs: fix pnfs direct write memory leak firewire: cdev: prevent kernel stack leaking into ioctl arguments arm64: __clear_user: handle exceptions on strb ARM: 8198/1: make kuser helpers depend on MMU drm/radeon: add missing crtc unlock when setting up the MC mac80211: fix use-after-free in defragmentation macvtap: Fix csum_start when VLAN tags are present iwlwifi: configure the LTR libceph: do not crash on large auth tickets xtensa: re-wire umount syscall to sys_oldumount ALSA: usb-audio: Fix memory leak in FTU quirk ahci: disable MSI instead of NCQ on Samsung pci-e SSDs on macbooks ahci: Add Device IDs for Intel Sunrise Point PCH audit: keep inode pinned x86, x32, audit: Fix x32's AUDIT_ARCH wrt audit sparc32: Implement xchg and atomic_xchg using ATOMIC_HASH locks sparc64: Do irq_{enter,exit}() around generic_smp_call_function*(). sparc64: Fix crashes in schizo_pcierr_intr_other(). sunvdc: don't call VD_OP_GET_VTOC vio: fix reuse of vio_dring slot sunvdc: limit each sg segment to a page sunvdc: compute vdisk geometry from capacity sunvdc: add cdrom and v1.1 protocol support net: sctp: fix memory leak in auth key management net: sctp: fix NULL pointer dereference in af->from_addr_param on malformed packet gre6: Move the setting of dev->iflink into the ndo_init functions. ip6_tunnel: Use ip6_tnl_dev_init as the ndo_init function. Linux 3.10.60 libceph: ceph-msgr workqueue needs a resque worker Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup of: Fix overflow bug in string property parsing functions sysfs: driver core: Fix glue dir race condition by gdp_mutex i2c: at91: don't account as iowait acer-wmi: Add acpi_backlight=video quirk for the Acer KAV80 rbd: Fix error recovery in rbd_obj_read_sync() drm/radeon: remove invalid pci id usb: gadget: udc: core: fix kernel oops with soft-connect usb: gadget: function: acm: make f_acm pass USB20CV Chapter9 usb: dwc3: gadget: fix set_halt() bug with pending transfers crypto: algif - avoid excessive use of socket buffer in skcipher mm: Remove false WARN_ON from pagecache_isize_extended() x86, apic: Handle a bad TSC more gracefully posix-timers: Fix stack info leak in timer_create() mac80211: fix typo in starting baserate for rts_cts_rate_idx PM / Sleep: fix recovery during resuming from hibernation tty: Fix high cpu load if tty is unreleaseable quota: Properly return errors from dquot_writeback_dquots() ext3: Don't check quota format when there are no quota files nfsd4: fix crash on unknown operation number cpc925_edac: Report UE events properly e7xxx_edac: Report CE events properly i3200_edac: Report CE events properly i82860_edac: Report CE events properly scsi: Fix error handling in SCSI_IOCTL_SEND_COMMAND lib/bitmap.c: fix undefined shift in __bitmap_shift_{left|right}() cgroup/kmemleak: add kmemleak_free() for cgroup deallocations. usb: Do not allow usb_alloc_streams on unconfigured devices USB: opticon: fix non-atomic allocation in write path usb-storage: handle a skipped data phase spi: pxa2xx: toggle clocks on suspend if not disabled by runtime PM spi: pl022: Fix incorrect dma_unmap_sg usb: dwc3: gadget: Properly initialize LINK TRB wireless: rt2x00: add new rt2800usb device USB: option: add Haier CE81B CDMA modem usb: option: add support for Telit LE910 USB: cdc-acm: only raise DTR on transitions from B0 USB: cdc-acm: add device id for GW Instek AFG-2225 usb: serial: ftdi_sio: add "bricked" FTDI device PID usb: serial: ftdi_sio: add Awinda Station and Dongle products USB: serial: cp210x: add Silicon Labs 358x VID and PID serial: Fix divide-by-zero fault in uart_get_divisor() staging:iio:ade7758: Remove "raw" from channel name staging:iio:ade7758: Fix check if channels are enabled in prenable staging:iio:ade7758: Fix NULL pointer deref when enabling buffer staging:iio:ad5933: Drop "raw" from channel names staging:iio:ad5933: Fix NULL pointer deref when enabling buffer OOM, PM: OOM killed task shouldn't escape PM suspend freezer: Do not freeze tasks killed by OOM killer ext4: fix oops when loading block bitmap failed cpufreq: intel_pstate: Fix setting max_perf_pct in performance policy ext4: fix overflow when updating superblock backups after resize ext4: check s_chksum_driver when looking for bg csum presence ext4: fix reservation overflow in ext4_da_write_begin ext4: add ext4_iget_normal() which is to be used for dir tree lookups ext4: grab missed write_count for EXT4_IOC_SWAP_BOOT ext4: don't check quota format when there are no quota files ext4: check EA value offset when loading jbd2: free bh when descriptor block checksum fails MIPS: tlbex: Properly fix HUGE TLB Refill exception handler target: Fix APTPL metadata handling for dynamic MappedLUNs target: Fix queue full status NULL pointer for SCF_TRANSPORT_TASK_SENSE qla_target: don't delete changed nacls ARC: Update order of registers in KGDB to match GDB 7.5 ARC: [nsimosci] Allow "headless" models to boot KVM: x86: Emulator fixes for eip canonical checks on near branches KVM: x86: Fix wrong masking on relative jump/call kvm: x86: don't kill guest on unknown exit reason KVM: x86: Check non-canonical addresses upon WRMSR KVM: x86: Improve thread safety in pit KVM: x86: Prevent host from panicking on shared MSR writes. kvm: fix excessive pages un-pinning in kvm_iommu_map error path. media: tda7432: Fix setting TDA7432_MUTE bit for TDA7432_RF register media: ds3000: fix LNB supply voltage on Tevii S480 on initialization media: em28xx-v4l: give back all active video buffers to the vb2 core properly on streaming stop media: v4l2-common: fix overflow in v4l_bound_align_image() drm/nouveau/bios: memset dcb struct to zero before parsing drm/tilcdc: Fix the error path in tilcdc_load() drm/ast: Fix HW cursor image Input: i8042 - quirks for Fujitsu Lifebook A544 and Lifebook AH544 Input: i8042 - add noloop quirk for Asus X750LN framebuffer: fix border color modules, lock around setting of MODULE_STATE_UNFORMED dm log userspace: fix memory leak in dm_ulog_tfr_init failure path block: fix alignment_offset math that assumes io_min is a power-of-2 drbd: compute the end before rb_insert_augmented() dm bufio: update last_accessed when relinking a buffer virtio_pci: fix virtio spec compliance on restore selinux: fix inode security list corruption pstore: Fix duplicate {console,ftrace}-efi entries mfd: rtsx_pcr: Fix MSI enable error handling mnt: Prevent pivot_root from creating a loop in the mount tree UBI: add missing kmem_cache_free() in process_pool_aeb error path random: add and use memzero_explicit() for clearing data crypto: more robust crypto_memneq fix misuses of f_count() in ppp and netlink kill wbuf_queued/wbuf_dwork_lock ALSA: pcm: Zero-clear reserved fields of PCM status ioctl in compat mode evm: check xattr value length and type in evm_inode_setxattr() x86, pageattr: Prevent overflow in slow_virt_to_phys() for X86_PAE x86_64, entry: Fix out of bounds read on sysenter x86_64, entry: Filter RFLAGS.NT on entry from userspace x86, flags: Rename X86_EFLAGS_BIT1 to X86_EFLAGS_FIXED x86, fpu: shift drop_init_fpu() from save_xstate_sig() to handle_signal() x86, fpu: __restore_xstate_sig()->math_state_restore() needs preempt_disable() x86: Reject x32 executables if x32 ABI not supported vfs: fix data corruption when blocksize < pagesize for mmaped data UBIFS: fix free log space calculation UBIFS: fix a race condition UBIFS: remove mst_mutex fs: Fix theoretical division by 0 in super_cache_scan(). fs: make cont_expand_zero interruptible mmc: rtsx_pci_sdmmc: fix incorrect last byte in R2 response libata-sff: Fix controllers with no ctl port pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE Controller Revert "percpu: free percpu allocation info for uniprocessor system" lockd: Try to reconnect if statd has moved drivers/net: macvtap and tun depend on INET ipv4: dst_entry leak in ip_send_unicast_reply() ax88179_178a: fix bonding failure ipv4: fix nexthop attlen check in fib_nh_match tracing/syscalls: Ignore numbers outside NR_syscalls' range Linux 3.10.59 ecryptfs: avoid to access NULL pointer when write metadata in xattr ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks ALSA: usb-audio: Add support for Steinberg UR22 USB interface ALSA: emu10k1: Fix deadlock in synth voice lookup ALSA: pcm: use the same dma mmap codepath both for arm and arm64 arm64: compat: fix compat types affecting struct compat_elf_prpsinfo spi: dw-mid: terminate ongoing transfers at exit kernel: add support for gcc 5 fanotify: enable close-on-exec on events' fd when requested in fanotify_init() mm: clear __GFP_FS when PF_MEMALLOC_NOIO is set Bluetooth: Fix issue with USB suspend in btusb driver Bluetooth: Fix HCI H5 corrupted ack value rt2800: correct BBP1_TX_POWER_CTRL mask PCI: Generate uppercase hex for modalias interface class PCI: Increase IBM ipr SAS Crocodile BARs to at least system page size iwlwifi: Add missing PCI IDs for the 7260 series NFSv4.1: Fix an NFSv4.1 state renewal regression NFSv4: fix open/lock state recovery error handling NFSv4: Fix lock recovery when CREATE_SESSION/SETCLIENTID_CONFIRM fails lzo: check for length overrun in variable length encoding. Revert "lzo: properly check for overruns" Documentation: lzo: document part of the encoding m68k: Disable/restore interrupts in hwreg_present()/hwreg_write() Drivers: hv: vmbus: Fix a bug in vmbus_open() Drivers: hv: vmbus: Cleanup vmbus_establish_gpadl() Drivers: hv: vmbus: Cleanup vmbus_teardown_gpadl() Drivers: hv: vmbus: Cleanup vmbus_post_msg() firmware_class: make sure fw requests contain a name qla2xxx: Use correct offset to req-q-out for reserve calculation mptfusion: enable no_write_same for vmware scsi disks be2iscsi: check ip buffer before copying regmap: fix NULL pointer dereference in _regmap_write/read regmap: debugfs: fix possbile NULL pointer dereference spi: dw-mid: check that DMA was inited before exit spi: dw-mid: respect 8 bit mode x86/intel/quark: Switch off CR4.PGE so TLB flush uses CR3 instead kvm: don't take vcpu mutex for obviously invalid vcpu ioctls KVM: s390: unintended fallthrough for external call kvm: x86: fix stale mmio cache bug fs: Add a missing permission check to do_umount Btrfs: fix race in WAIT_SYNC ioctl Btrfs: fix build_backref_tree issue with multiple shared blocks Btrfs: try not to ENOSPC on log replay Linux 3.10.58 USB: cp210x: add support for Seluxit USB dongle USB: serial: cp210x: added Ketra N1 wireless interface support USB: Add device quirk for ASUS T100 Base Station keyboard ipv6: reallocate addrconf router for ipv6 address when lo device up tcp: fixing TLP's FIN recovery sctp: handle association restarts when the socket is closed. ip6_gre: fix flowi6_proto value in xmit path hyperv: Fix a bug in netvsc_start_xmit() tg3: Allow for recieve of full-size 8021AD frames tg3: Work around HW/FW limitations with vlan encapsulated frames l2tp: fix race while getting PMTU on PPP pseudo-wire openvswitch: fix panic with multiple vlan headers packet: handle too big packets for PACKET_V3 tcp: fix tcp_release_cb() to dispatch via address family for mtu_reduced() sit: Fix ipip6_tunnel_lookup device matching criteria myri10ge: check for DMA mapping errors Linux 3.10.57 cpufreq: ondemand: Change the calculation of target frequency cpufreq: Fix wrong time unit conversion nl80211: clear skb cb before passing to netlink drbd: fix regression 'out of mem, failed to invoke fence-peer helper' jiffies: Fix timeval conversion to jiffies md/raid5: disable 'DISCARD' by default due to safety concerns. media: vb2: fix VBI/poll regression mm: numa: Do not mark PTEs pte_numa when splitting huge pages mm, thp: move invariant bug check out of loop in __split_huge_page_map ring-buffer: Fix infinite spin in reading buffer init/Kconfig: Fix HAVE_FUTEX_CMPXCHG to not break up the EXPERT menu perf: fix perf bug in fork() udf: Avoid infinite loop when processing indirect ICBs Linux 3.10.56 vm_is_stack: use for_each_thread() rather then buggy while_each_thread() oom_kill: add rcu_read_lock() into find_lock_task_mm() oom_kill: has_intersects_mems_allowed() needs rcu_read_lock() oom_kill: change oom_kill.c to use for_each_thread() introduce for_each_thread() to replace the buggy while_each_thread() kernel/fork.c:copy_process(): unify CLONE_THREAD-or-thread_group_leader code arm: multi_v7_defconfig: Enable Zynq UART driver ext2: Fix fs corruption in ext2_get_xip_mem() serial: 8250_dma: check the result of TX buffer mapping ARM: 7748/1: oabi: handle faults when loading swi instruction from userspace netfilter: nf_conntrack: avoid large timeout for mid-stream pickup PM / sleep: Use valid_state() for platform-dependent sleep states only PM / sleep: Add state field to pm_states[] entries ipvs: fix ipv6 hook registration for local replies ipvs: Maintain all DSCP and ECN bits for ipv6 tun forwarding ipvs: avoid netns exit crash on ip_vs_conn_drop_conntrack md/raid1: fix_read_error should act on all non-faulty devices. media: cx18: fix kernel oops with tda8290 tuner Fix nasty 32-bit overflow bug in buffer i/o code. perf kmem: Make it work again on non NUMA machines perf: Fix a race condition in perf_remove_from_context() alarmtimer: Lock k_itimer during timer callback alarmtimer: Do not signal SIGEV_NONE timers parisc: Only use -mfast-indirect-calls option for 32-bit kernel builds powerpc/perf: Fix ABIv2 kernel backtraces sched: Fix unreleased llc_shared_mask bit during CPU hotplug ocfs2/dlm: do not get resource spinlock if lockres is new nilfs2: fix data loss with mmap() fs/notify: don't show f_handle if exportfs_encode_inode_fh failed fsnotify/fdinfo: use named constants instead of hardcoded values kcmp: fix standard comparison bug Revert "mac80211: disable uAPSD if all ACs are under ACM" usb: dwc3: core: fix ordering for PHY suspend usb: dwc3: core: fix order of PM runtime calls usb: host: xhci: fix compliance mode workaround genhd: fix leftover might_sleep() in blk_free_devt() lockd: fix rpcbind crash on lockd startup failure rtlwifi: rtl8192cu: Add new ID percpu: perform tlb flush after pcpu_map_pages() failure percpu: fix pcpu_alloc_pages() failure path percpu: free percpu allocation info for uniprocessor system ata_piix: Add Device IDs for Intel 9 Series PCH Input: i8042 - add nomux quirk for Avatar AVIU-145A6 Input: i8042 - add Fujitsu U574 to no_timeout dmi table Input: atkbd - do not try 'deactivate' keyboard on any LG laptops Input: elantech - fix detection of touchpad on ASUS s301l Input: synaptics - add support for ForcePads Input: serport - add compat handling for SPIOCSTYPE ioctl dm crypt: fix access beyond the end of allocated space block: Fix dev_t minor allocation lifetime workqueue: apply __WQ_ORDERED to create_singlethread_workqueue() Revert "iwlwifi: dvm: don't enable CTS to self" SCSI: libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu NFC: microread: Potential overflows in microread_target_discovered() iscsi-target: Fix memory corruption in iscsit_logout_post_handler_diffcid iscsi-target: avoid NULL pointer in iscsi_copy_param_list failure Target/iser: Don't put isert_conn inside disconnected handler Target/iser: Get isert_conn reference once got to connected_handler iio:inkern: fix overwritten -EPROBE_DEFER in of_iio_channel_get_by_name iio:magnetometer: bugfix magnetometers gain values iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment iio: st_sensors: Fix indio_dev->trig assignment iio: meter: ade7758: Fix indio_dev->trig assignment iio: inv_mpu6050: Fix indio_dev->trig assignment iio: gyro: itg3200: Fix indio_dev->trig assignment iio:trigger: modify return value for iio_trigger_get CIFS: Fix SMB2 readdir error handling CIFS: Fix directory rename error ASoC: davinci-mcasp: Correct rx format unit configuration shmem: fix nlink for rename overwrite directory x86 early_ioremap: Increase FIX_BTMAPS_SLOTS to 8 KVM: x86: handle idiv overflow at kvm_write_tsc regmap: Fix handling of volatile registers for format_write() chips ACPICA: Update to GPIO region handler interface. MIPS: mcount: Adjust stack pointer for static trace in MIPS32 MIPS: ZBOOT: add missing <linux/string.h> include ARM: 8165/1: alignment: don't break misaligned NEON load/store ARM: 7897/1: kexec: Use the right ISA for relocate_new_kernel ARM: 8133/1: use irq_set_affinity with force=false when migrating irqs ARM: 8128/1: abort: don't clear the exclusive monitors NFSv4: Fix another bug in the close/open_downgrade code NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists() usb:hub set hub->change_bits when over-current happens usb: dwc3: omap: fix ordering for runtime pm calls USB: EHCI: unlink QHs even after the controller has stopped USB: storage: Add quirks for Entrega/Xircom USB to SCSI converters USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter storage: Add single-LUN quirk for Jaz USB Adapter usb: hub: take hub->hdev reference when processing from eventlist xhci: fix oops when xhci resumes from hibernate with hw lpm capable devices xhci: Fix null pointer dereference if xhci initialization fails USB: zte_ev: fix removed PIDs USB: ftdi_sio: add support for NOVITUS Bono E thermal printer USB: sierra: add 1199:68AA device ID USB: sierra: avoid CDC class functions on "68A3" devices USB: zte_ev: remove duplicate Qualcom PID USB: zte_ev: remove duplicate Gobi PID Revert "USB: option,zte_ev: move most ZTE CDMA devices to zte_ev" USB: option: add VIA Telecom CDS7 chipset device id USB: option: reduce interrupt-urb logging verbosity USB: serial: fix potential heap buffer overflow USB: sisusb: add device id for Magic Control USB video USB: serial: fix potential stack buffer overflow USB: serial: pl2303: add device id for ztek device xtensa: fix a6 and a7 handling in fast_syscall_xtensa xtensa: fix TLBTEMP_BASE_2 region handling in fast_second_level_miss xtensa: fix access to THREAD_RA/THREAD_SP/THREAD_DS xtensa: fix address checks in dma_{alloc,free}_coherent xtensa: replace IOCTL code definitions with constants drm/radeon: add connector quirk for fujitsu board drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle drm/ast: AST2000 cannot be detected correctly drm/i915: Wait for vblank before enabling the TV encoder drm/i915: Remove bogus __init annotation from DMI callbacks HID: logitech-dj: prevent false errors to be shown HID: magicmouse: sanity check report size in raw_event() callback HID: picolcd: sanity check report size in raw_event() callback cfq-iosched: Fix wrong children_weight calculation ALSA: pcm: fix fifo_size frame calculation ALSA: hda - Fix invalid pin powermap without jack detection ALSA: hda - Fix COEF setups for ALC1150 codec ALSA: core: fix buffer overflow in snd_info_get_line() arm64: ptrace: fix compat hardware watchpoint reporting trace: Fix epoll hang when we race with new entries i2c: at91: Fix a race condition during signal handling in at91_do_twi_xfer. i2c: at91: add bound checking on SMBus block length bytes arm64: flush TLS registers during exec ibmveth: Fix endian issues with rx_no_buffer statistic ahci: add pcid for Marvel 0x9182 controller ahci: Add Device IDs for Intel 9 Series PCH pata_scc: propagate return value of scc_wait_after_reset drm/i915: read HEAD register back in init_ring_common() to enforce ordering drm/radeon: load the lm63 driver for an lm64 thermal chip. drm/ttm: Choose a pool to shrink correctly in ttm_dma_pool_shrink_scan(). drm/ttm: Fix possible division by 0 in ttm_dma_pool_shrink_scan(). drm/tilcdc: fix double kfree drm/tilcdc: fix release order on exit drm/tilcdc: panel: fix leak when unloading the module drm/tilcdc: tfp410: fix dangling sysfs connector node drm/tilcdc: slave: fix dangling sysfs connector node drm/tilcdc: panel: fix dangling sysfs connector node carl9170: fix sending URBs with wrong type when using full-speed Linux 3.10.55 libceph: gracefully handle large reply messages from the mon libceph: rename ceph_msg::front_max to front_alloc_len tpm: Provide a generic means to override the chip returned timeouts vfs: fix bad hashing of dentries dcache.c: get rid of pointless macros IB/srp: Fix deadlock between host removal and multipathd blkcg: don't call into policy draining if root_blkg is already gone mtd: nand: omap: Fix 1-bit Hamming code scheme, omap_calculate_ecc() mtd/ftl: fix the double free of the buffers allocated in build_maps() CIFS: Fix wrong restart readdir for SMB1 CIFS: Fix wrong filename length for SMB2 CIFS: Fix wrong directory attributes after rename CIFS: Possible null ptr deref in SMB2_tcon CIFS: Fix async reading on reconnects CIFS: Fix STATUS_CANNOT_DELETE error mapping for SMB2 libceph: do not hard code max auth ticket len libceph: add process_one_ticket() helper libceph: set last_piece in ceph_msg_data_pages_cursor_init() correctly md/raid1,raid10: always abort recover on write error. xfs: don't zero partial page cache pages during O_DIRECT writes xfs: don't zero partial page cache pages during O_DIRECT writes xfs: don't dirty buffers beyond EOF xfs: quotacheck leaves dquot buffers without verifiers RDMA/iwcm: Use a default listen backlog if needed md/raid10: Fix memory leak when raid10 reshape completes. md/raid10: fix memory leak when reshaping a RAID10. md/raid6: avoid data corruption during recovery of double-degraded RAID6 Bluetooth: Avoid use of session socket after the session gets freed Bluetooth: never linger on process exit mnt: Add tests for unprivileged remount cases that have found to be faulty mnt: Change the default remount atime from relatime to the existing value mnt: Correct permission checks in do_remount mnt: Move the test for MNT_LOCK_READONLY from change_mount_flags into do_remount mnt: Only change user settable mount flags in remount ring-buffer: Up rb_iter_peek() loop count to 3 ring-buffer: Always reset iterator to reader page ACPI / cpuidle: fix deadlock between cpuidle_lock and cpu_hotplug.lock ACPI: Run fixed event device notifications in process context ACPICA: Utilities: Fix memory leak in acpi_ut_copy_iobject_to_iobject bfa: Fix undefined bit shift on big-endian architectures with 32-bit DMA address ASoC: pxa-ssp: drop SNDRV_PCM_FMTBIT_S24_LE ASoC: max98090: Fix missing free_irq ASoC: samsung: Correct I2S DAI suspend/resume ops ASoC: wm_adsp: Add missing MODULE_LICENSE ASoC: pcm: fix dpcm_path_put in dpcm runtime update openrisc: Rework signal handling MIPS: Fix accessing to per-cpu data when flushing the cache MIPS: OCTEON: make get_system_type() thread-safe MIPS: asm: thread_info: Add _TIF_SECCOMP flag MIPS: Cleanup flags in syscall flags handlers. MIPS: asm/reg.h: Make 32- and 64-bit definitions available at the same time MIPS: Remove BUG_ON(!is_fpu_owner()) in do_ade() MIPS: tlbex: Fix a missing statement for HUGETLB MIPS: Prevent user from setting FCSR cause bits MIPS: GIC: Prevent array overrun drivers: scsi: storvsc: Correctly handle TEST_UNIT_READY failure Drivers: scsi: storvsc: Implement a eh_timed_out handler powerpc/pseries: Failure on removing device node powerpc/mm: Use read barrier when creating real_pte powerpc/mm/numa: Fix break placement regulator: arizona-ldo1: remove bypass functionality mfd: omap-usb-host: Fix improper mask use. kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path CAPABILITIES: remove undefined caps from all processes tpm: missing tpm_chip_put in tpm_get_random() firmware: Do not use WARN_ON(!spin_is_locked()) spi: omap2-mcspi: Configure hardware when slave driver changes mode spi: orion: fix incorrect handling of cell-index DT property iommu/amd: Fix cleanup_domain for mass device removal media: media-device: Remove duplicated memset() in media_enum_entities() media: au0828: Only alt setting logic when needed media: xc4000: Fix get_frequency() media: xc5000: Fix get_frequency() Linux 3.10.54 USB: fix build error with CONFIG_PM_RUNTIME disabled NFSv4: Fix problems with close in the presence of a delegation NFSv3: Fix another acl regression svcrdma: Select NFSv4.1 backchannel transport based on forward channel NFSD: Decrease nfsd_users in nfsd_startup_generic fail usb: hub: Prevent hub autosuspend if usbcore.autosuspend is -1 USB: whiteheat: Added bounds checking for bulk command response USB: ftdi_sio: Added PID for new ekey device USB: ftdi_sio: add Basic Micro ATOM Nano USB2Serial PID ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled usb: xhci: amd chipset also needs short TX quirk xhci: Treat not finding the event_seg on COMP_STOP the same as COMP_STOP_INVAL Staging: speakup: Update __speakup_paste_selection() tty (ab)usage to match vt jbd2: fix infinite loop when recovering corrupt journal blocks mei: nfc: fix memory leak in error path mei: reset client state on queued connect request Btrfs: fix csum tree corruption, duplicate and outdated checksums hpsa: fix bad -ENOMEM return value in hpsa_big_passthru_ioctl x86/efi: Enforce CONFIG_RELOCATABLE for EFI boot stub x86_64/vsyscall: Fix warn_bad_vsyscall log output x86: don't exclude low BIOS area when allocating address space for non-PCI cards drm/radeon: add additional SI pci ids ext4: fix BUG_ON in mb_free_blocks() kvm: iommu: fix the third parameter of kvm_iommu_put_pages (CVE-2014-3601) Revert "KVM: x86: Increase the number of fixed MTRR regs to 10" KVM: nVMX: fix "acknowledge interrupt on exit" when APICv is in use KVM: x86: always exit on EOIs for interrupts listed in the IOAPIC redir table KVM: x86: Inter-privilege level ret emulation is not implemeneted crypto: ux500 - make interrupt mode plausible serial: core: Preserve termios c_cflag for console resume ext4: fix ext4_discard_allocated_blocks() if we can't allocate the pa struct drivers/i2c/busses: use correct type for dma_map/unmap hwmon: (dme1737) Prevent overflow problem when writing large limits hwmon: (ads1015) Fix out-of-bounds array access hwmon: (lm85) Fix various errors on attribute writes hwmon: (ads1015) Fix off-by-one for valid channel index checking hwmon: (gpio-fan) Prevent overflow problem when writing large limits hwmon: (lm78) Fix overflow problems seen when writing large temperature limits hwmon: (sis5595) Prevent overflow problem when writing large limits drm: omapdrm: fix compiler errors ARM: OMAP3: Fix choice of omap3_restore_es function in OMAP34XX rev3.1.2 case. mei: start disconnect request timer consistently ALSA: hda/realtek - Avoid setting wrong COEF on ALC269 & co ALSA: hda/ca0132 - Don't try loading firmware at resume when already failed ALSA: virtuoso: add Xonar Essence STX II support ALSA: hda - fix an external mic jack problem on a HP machine USB: Fix persist resume of some SS USB devices USB: ehci-pci: USB host controller support for Intel Quark X1000 USB: serial: ftdi_sio: Add support for new Xsens devices USB: serial: ftdi_sio: Annotate the current Xsens PID assignments USB: OHCI: don't lose track of EDs when a controller dies isofs: Fix unbounded recursion when processing relocated directories HID: fix a couple of off-by-ones HID: logitech: perform bounds checking on device_id early enough stable_kernel_rules: Add pointer to netdev-FAQ for network patches Linux 3.10.53 arch/sparc/math-emu/math_32.c: drop stray break operator sparc64: ldc_connect() should not return EINVAL when handshake is in progress. sunsab: Fix detection of BREAK on sunsab serial console bbc-i2c: Fix BBC I2C envctrl on SunBlade 2000 sparc64: Guard against flushing openfirmware mappings. sparc64: Do not insert non-valid PTEs into the TSB hash table. sparc64: Add membar to Niagara2 memcpy code. sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus. sparc64: Don't bark so loudly about 32-bit tasks generating 64-bit fault addresses. sparc64: Fix top-level fault handling bugs. sparc64: Handle 32-bit tasks properly in compute_effective_address(). sparc64: Make itc_sync_lock raw sparc64: Fix argument sign extension for compat_sys_futex(). sctp: fix possible seqlock seadlock in sctp_packet_transmit() iovec: make sure the caller actually wants anything in memcpy_fromiovecend net: Correctly set segment mac_len in skb_segment(). macvlan: Initialize vlan_features to turn on offload support. net: sctp: inherit auth_capable on INIT collisions tcp: Fix integer-overflow in TCP vegas tcp: Fix integer-overflows in TCP veno net: sendmsg: fix NULL pointer dereference ip: make IP identifiers less predictable inetpeer: get rid of ip_id_count bnx2x: fix crash during TSO tunneling Linux 3.10.52 x86/espfix/xen: Fix allocation of pages for paravirt page tables lib/btree.c: fix leak of whole btree nodes net/l2tp: don't fall back on UDP [get|set]sockopt net: mvneta: replace Tx timer with a real interrupt net: mvneta: add missing bit descriptions for interrupt masks and causes net: mvneta: do not schedule in mvneta_tx_timeout net: mvneta: use per_cpu stats to fix an SMP lock up net: mvneta: increase the 64-bit rx/tx stats out of the hot path Revert "mac80211: move "bufferable MMPDU" check to fix AP mode scan" staging: vt6655: Fix Warning on boot handle_irq_event_percpu. x86_64/entry/xen: Do not invoke espfix64 on Xen x86, espfix: Make it possible to disable 16-bit support x86, espfix: Make espfix64 a Kconfig option, fix UML x86, espfix: Fix broken header guard x86, espfix: Move espfix definitions into a separate header file x86-64, espfix: Don't leak bits 31:16 of %esp returning to 16-bit stack Revert "x86-64, modify_ldt: Make support for 16-bit segments a runtime option" timer: Fix lock inversion between hrtimer_bases.lock and scheduler locks printk: rename printk_sched to printk_deferred iio: buffer: Fix demux table creation staging: vt6655: Fix disassociated messages every 10 seconds mm, thp: do not allow thp faults to avoid cpuset restrictions scsi: handle flush errors properly rapidio/tsi721_dma: fix failure to obtain transaction descriptor cfg80211: fix mic_failure tracing ARM: 8115/1: LPAE: reduce damage caused by idmap to virtual memory layout crypto: af_alg - properly label AF_ALG socket Linux 3.10.51 core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errors x86/efi: Include a .bss section within the PE/COFF headers s390/ptrace: fix PSW mask check Fix gcc-4.9.0 miscompilation of load_balance() in scheduler mm: hugetlb: fix copy_hugetlb_page_range() x86_32, entry: Store badsys error code in %eax hwmon: (smsc47m192) Fix temperature limit and vrm write operations parisc: Remove SA_RESTORER define coredump: fix the setting of PF_DUMPCORE Input: fix defuzzing logic slab_common: fix the check for duplicate slab names slab_common: Do not check for duplicate slab names tracing: Fix wraparound problems in "uptime" trace clock blkcg: don't call into policy draining if root_blkg is already gone ahci: add support for the Promise FastTrak TX8660 SATA HBA (ahci mode) libata: introduce ata_host->n_tags to avoid oops on SAS controllers libata: support the ata host which implements a queue depth less than 32 block: don't assume last put of shared tags is for the host block: provide compat ioctl for BLKZEROOUT media: tda10071: force modulation to QPSK on DVB-S media: hdpvr: fix two audio bugs Linux 3.10.50 ARC: Implement ptrace(PTRACE_GET_THREAD_AREA) sched: Fix possible divide by zero in avg_atom() calculation locking/mutex: Disable optimistic spinning on some architectures PM / sleep: Fix request_firmware() error at resume dm cache metadata: do not allow the data block size to change dm thin metadata: do not allow the data block size to change alarmtimer: Fix bug where relative alarm timers were treated as absolute drm/radeon: avoid leaking edid data drm/qxl: return IRQ_NONE if it was not our irq drm/radeon: set default bl level to something reasonable irqchip: gic: Fix core ID calculation when topology is read from DT irqchip: gic: Add support for cortex a7 compatible string ring-buffer: Fix polling on trace_pipe mwifiex: fix Tx timeout issue perf/x86/intel: ignore CondChgd bit to avoid false NMI handling ipv4: fix buffer overflow in ip_options_compile() dns_resolver: Null-terminate the right string dns_resolver: assure that dns_query() result is null-terminated sunvnet: clean up objects created in vnet_new() on vnet_exit() net: pppoe: use correct channel MTU when using Multilink PPP net: sctp: fix information leaks in ulpevent layer tipc: clear 'next'-pointer of message fragments before reassembly be2net: set EQ DB clear-intr bit in be_open() netlink: Fix handling of error from netlink_dump(). net: mvneta: Fix big endian issue in mvneta_txq_desc_csum() net: mvneta: fix operation in 10 Mbit/s mode appletalk: Fix socket referencing in skb tcp: fix false undo corner cases igmp: fix the problem when mc leave group net: qmi_wwan: add two Sierra Wireless/Netgear devices net: qmi_wwan: Add ID for Telewell TW-LTE 4G v2 ipv4: icmp: Fix pMTU handling for rare case tcp: Fix divide by zero when pushing during tcp-repair bnx2x: fix possible panic under memory stress net: fix sparse warning in sk_dst_set() ipv4: irq safe sk_dst_[re]set() and ipv4_sk_update_pmtu() fix ipv4: fix dst race in sk_dst_get() 8021q: fix a potential memory leak net: sctp: check proc_dointvec result in proc_sctp_do_auth tcp: fix tcp_match_skb_to_sack() for unaligned SACK at end of an skb ip_tunnel: fix ip_tunnel_lookup shmem: fix splicing from a hole while it's punched shmem: fix faulting into a hole, not taking i_mutex shmem: fix faulting into a hole while it's punched iwlwifi: dvm: don't enable CTS to self igb: do a reset on SR-IOV re-init if device is down hwmon: (adt7470) Fix writes to temperature limit registers hwmon: (da9052) Don't use dash in the name attribute hwmon: (da9055) Don't use dash in the name attribute tracing: Add ftrace_trace_stack into __trace_puts/__trace_bputs tracing: Fix graph tracer with stack tracer on other archs fuse: handle large user and group ID Bluetooth: Ignore H5 non-link packets in non-active state Drivers: hv: util: Fix a bug in the KVP code media: gspca_pac7302: Add new usb-id for Genius i-Look 317 usb: Check if port status is equal to RxDetect Change-Id: I8791794ed100d5090dc52aef615d32e816fcfa1f Signed-off-by: Ian Maund <imaund@codeaurora.org>	2015-08-13 14:38:09 -07:00
Gu Zheng	31c6d4e4ff	mm/memory_hotplug.c: set zone->wait_table to null after freeing it ... commit 85bd839983778fcd0c1c043327b14a046e979b39 upstream. Izumi found the following oops when hot re-adding a node: BUG: unable to handle kernel paging request at ffffc90008963690 IP: __wake_up_bit+0x20/0x70 Oops: 0000 [#1] SMP CPU: 68 PID: 1237 Comm: rs:main Q:Reg Not tainted 4.1.0-rc5 #80 Hardware name: FUJITSU PRIMEQUEST2800E/SB, BIOS PRIMEQUEST 2000 Series BIOS Version 1.87 04/28/2015 task: ffff880838df8000 ti: ffff880017b94000 task.ti: ffff880017b94000 RIP: 0010:[<ffffffff810dff80>] [<ffffffff810dff80>] __wake_up_bit+0x20/0x70 RSP: 0018:ffff880017b97be8 EFLAGS: 00010246 RAX: ffffc90008963690 RBX: 00000000003c0000 RCX: 000000000000a4c9 RDX: 0000000000000000 RSI: ffffea101bffd500 RDI: ffffc90008963648 RBP: ffff880017b97c08 R08: 0000000002000020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8a0797c73800 R13: ffffea101bffd500 R14: 0000000000000001 R15: 00000000003c0000 FS: 00007fcc7ffff700(0000) GS:ffff880874800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90008963690 CR3: 0000000836761000 CR4: 00000000001407e0 Call Trace: unlock_page+0x6d/0x70 generic_write_end+0x53/0xb0 xfs_vm_write_end+0x29/0x80 [xfs] generic_perform_write+0x10a/0x1e0 xfs_file_buffered_aio_write+0x14d/0x3e0 [xfs] xfs_file_write_iter+0x79/0x120 [xfs] __vfs_write+0xd4/0x110 vfs_write+0xac/0x1c0 SyS_write+0x58/0xd0 system_call_fastpath+0x12/0x76 Code: 5d c3 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 48 83 ec 20 65 48 8b 04 25 28 00 00 00 48 89 45 f8 31 c0 48 8d 47 48 <48> 39 47 48 48 c7 45 e8 00 00 00 00 48 c7 45 f0 00 00 00 00 48 RIP [<ffffffff810dff80>] __wake_up_bit+0x20/0x70 RSP <ffff880017b97be8> CR2: ffffc90008963690 Reproduce method (re-add a node):: Hot-add nodeA --> remove nodeA --> hot-add nodeA (panic) This seems an use-after-free problem, and the root cause is zone->wait_table was not set to *NULL* after free it in try_offline_node. When hot re-add a node, we will reuse the pgdat of it, so does the zone struct, and when add pages to the target zone, it will init the zone first (including the wait_table) if the zone is not initialized. The judgement of zone initialized is based on zone->wait_table: static inline bool zone_is_initialized(struct zone *zone) { return !!zone->wait_table; } so if we do not set the zone->wait_table to *NULL* after free it, the memory hotplug routine will skip the init of new zone when hot re-add the node, and the wait_table still points to the freed memory, then we will access the invalid address when trying to wake up the waiting people after the i/o operation with the page is done, such as mentioned above. Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Reported-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Reviewed by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2015-06-22 16:55:54 -07:00
Gu Zheng	dfb06c8557	mm/memory hotplug: postpone the reset of obsolete pgdat ... commit b0dc3a342af36f95a68fe229b8f0f73552c5ca08 upstream. Qiu Xishi reported the following BUG when testing hot-add/hot-remove node under stress condition: BUG: unable to handle kernel paging request at 0000000000025f60 IP: next_online_pgdat+0x1/0x50 PGD 0 Oops: 0000 [#1] SMP ACPI: Device does not support D3cold Modules linked in: fuse nls_iso8859_1 nls_cp437 vfat fat loop dm_mod coretemp mperf crc32c_intel ghash_clmulni_intel aesni_intel ablk_helper cryptd lrw gf128mul glue_helper aes_x86_64 pcspkr microcode igb dca i2c_algo_bit ipv6 megaraid_sas iTCO_wdt i2c_i801 i2c_core iTCO_vendor_support tg3 sg hwmon ptp lpc_ich pps_core mfd_core acpi_pad rtc_cmos button ext3 jbd mbcache sd_mod crc_t10dif scsi_dh_alua scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh ahci libahci libata scsi_mod [last unloaded: rasf] CPU: 23 PID: 238 Comm: kworker/23:1 Tainted: G O 3.10.15-5885-euler0302 #1 Hardware name: HUAWEI TECHNOLOGIES CO.,LTD. Huawei N1/Huawei N1, BIOS V100R001 03/02/2015 Workqueue: events vmstat_update task: ffffa800d32c0000 ti: ffffa800d32ae000 task.ti: ffffa800d32ae000 RIP: 0010: next_online_pgdat+0x1/0x50 RSP: 0018:ffffa800d32afce8 EFLAGS: 00010286 RAX: 0000000000001440 RBX: ffffffff81da53b8 RCX: 0000000000000082 RDX: 0000000000000000 RSI: 0000000000000082 RDI: 0000000000000000 RBP: ffffa800d32afd28 R08: ffffffff81c93bfc R09: ffffffff81cbdc96 R10: 00000000000040ec R11: 00000000000000a0 R12: ffffa800fffb3440 R13: ffffa800d32afd38 R14: 0000000000000017 R15: ffffa800e6616800 FS: 0000000000000000(0000) GS:ffffa800e6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000025f60 CR3: 0000000001a0b000 CR4: 00000000001407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: refresh_cpu_vm_stats+0xd0/0x140 vmstat_update+0x11/0x50 process_one_work+0x194/0x3d0 worker_thread+0x12b/0x410 kthread+0xc6/0xd0 ret_from_fork+0x7c/0xb0 The cause is the "memset(pgdat, 0, sizeof(*pgdat))" at the end of try_offline_node, which will reset all the content of pgdat to 0, as the pgdat is accessed lock-free, so that the users still using the pgdat will panic, such as the vmstat_update routine. process A: offline node XX: vmstat_updat() refresh_cpu_vm_stats() for_each_populated_zone() find online node XX cond_resched() offline cpu and memory, then try_offline_node() node_set_offline(nid), and memset(pgdat, 0, sizeof(*pgdat)) zone = next_zone(zone) pg_data_t *pgdat = zone->zone_pgdat; // here pgdat is NULL now next_online_pgdat(pgdat) next_online_node(pgdat->node_id); // NULL pointer access So the solution here is postponing the reset of obsolete pgdat from try_offline_node() to hotadd_new_pgdat(), and just resetting pgdat->nr_zones and pgdat->classzone_idx to be 0 rather than the memset 0 to avoid breaking pointer information in pgdat. Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Reported-by: Xishi Qiu <qiuxishi@huawei.com> Suggested-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Taku Izumi <izumi.taku@jp.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2015-04-19 10:10:47 +02:00
Larry Bassel	17dfb1cddc	mm: make physical memory offline work ... In recent versions, the platform specific physical offline returns the number of bytes offlined, so a value of 0 indicates an error, not success as in older versions. Make sure that the memory for the original memory resource nodes is not freed via kfree, as this memory was obtained from alloc_bootmem very early in the system's life. Change-Id: Iffcdd8be4483e043d7605fce596ed438b15f3e02 Signed-off-by: Larry Bassel <lbassel@codeaurora.org> (cherry picked from commit 2421717cb10a06814d7bdb431485aa3a5e364f36)	2013-07-08 05:52:01 -07:00
Larry Bassel	e188e3e5cb	msm: Add low power mode for dynamic memory managment. ... Add Low Power mode TAG. Add new API's for mem lowpower modes. Create new sys file for mem low power modes. Set SECTION_SIZE_BITS to 28. Change NPA_MEMORY_NODE_NAME to "/mem/apps/ddr_dpd". Fix NPA node create function to do atomic_inc() in atomic_dec_and_test() failure case. Change-Id: Ia5cb18b99338c43165d5401e619c773cd8d6b3f6 Signed-off-by: Larry Bassel <lbassel@codeaurora.org> (cherry picked from commit b054046e708f8c5b044e76c2df6f72fd607be558) Conflicts: arch/arm/include/asm/setup.h arch/arm/kernel/setup.c arch/arm/mach-msm/include/mach/memory.h arch/arm/mach-msm/memory.c drivers/base/memory.c include/linux/memory_hotplug.h	2013-07-08 05:52:01 -07:00
Larry Bassel	8a57f81411	mm: add support for putting memory in a low-power state ... The file /sys/devices/system/memory/low_power now exists. Writing a physical address into this file will put this section of memory into a low power state (retaining contents) if the architecture and platform supports it. Change-Id: I70592d37f1091a1b533f2374546ba67b50ea7d30 Signed-off-by: Larry Bassel <lbassel@codeaurora.org> (cherry picked from commit 1f4d1c8e295aaf66b23309caa0d03b09b7009b99) Conflicts: drivers/base/memory.c include/linux/memory_hotplug.h	2013-07-08 05:52:01 -07:00
Larry Bassel	699e626db7	Add physical memory hotremove API ... This provides the physical memory hotremove API (this is needed since our physical memory removal is done by powering it off, which needs to be requested by userspace, not by someone physically pulling memory out of a machine). Change-Id: Ic34426a91a1aac2bd4a45677ee00c2b7a3f84746 Signed-off-by: Larry Bassel <lbassel@codeaurora.org> (cherry picked from commit d651b6964bbb50d3c1fee6f76467a0f867286dfb)	2013-07-08 05:52:00 -07:00
Jack Cheung	d3afd06d51	mm: Fix zone->present_pages underflow ... If offlined_pages is greater than zone->present_pages, underflow will occur. This change will set zone->present_pages to 0 if offlined_pages is greater. Change-Id: I728e90c60fb7fc391de7b9c4828ab264ca38653b Signed-off-by: Jack Cheung <jackc@codeaurora.org> (cherry picked from commit 80c201e25e8dbc00427b73d90b1527c356526442)	2013-07-08 05:52:00 -07:00
Jack Cheung	1f8032c277	mm: Drain pages after onlining ... When onlining, the onlined pages must be added to the kernel's list of free pages using __free_page(). However, pages are not immediately added but placed in a queue to be processed when the queue size reaches a watermark. The last pages in the queue may not be processed in time, and if you try to offline that memory before it is processed, offlining will always fail. This fix calls drain_all_pages(), which will process every free page in the queue. This ensures that all pages are accounted for when onlining and nothing gets stuck in the queue. Change-Id: I54dbc0749556702407090e51ce9246abc5db7d1c Signed-off-by: Jack Cheung <jackc@codeaurora.org> (cherry picked from commit aa7e9dec5cfd309cb9eb6cb56a284a61607a925a)	2013-07-08 05:52:00 -07:00
Jesse Tannahill	ac7ec62d35	mm: Make memory hotplug aware of memmap holes ... This patch prevents memory hotplug from marking pages of the memmap that only reference holes in the physical address space as private. Some architectures (including ARM) attempt to free these unneeded parts of the memmap, and attempting to free a private page will throw bad_page warnings and tie up the memory indefinitely. This patch also allows early_pfn_valid to be architecture specific and defines it for ARM. The definition for ARM takes into account memory banks and the holes in physical memory. CRs-Fixed: 247010 Change-Id: Iad88d427b1b923a808b026c22d2899fa0483cb9e Signed-off-by: jesset@codeaurora.org (cherry picked from commit 0b610c773ad6281a3d217fbbe894b2476e9e71dd) Conflicts: arch/arm/mm/init.c	2013-07-08 05:51:59 -07:00
Jack Cheung	6c785f0b2a	mm: Add total_unmovable_pages global variable ... Vmalloc will exit if the amount it needs to allocate is greater than totalram_pages. Vmalloc cannot allocate from the movable zone, so pages in the movable zone should not be counted. This change adds a new global variable: total_unmovable_pages. It is calculated in init.c, based on totalram_pages minus the pages in the movable zone. Vmalloc now looks at this new global instead of totalram_pages. total_unmovable_pages can be modified during memory_hotplug. If the zone you are offlining/onlining is unmovable, then you modify it similar to totalram_pages. If the zone is movable, then no change is needed. Change-Id: Ie55c41051e9ad4b921eb04ecbb4798a8bd2344d6 Signed-off-by: Jack Cheung <jackc@codeaurora.org> (cherry picked from commit 59f9f1c9ae463a3d4499cd9353619f8b1993371b) Conflicts: arch/arm/mm/init.c mm/memory_hotplug.c mm/page_alloc.c mm/vmalloc.c	2013-07-08 05:51:58 -07:00
Randy Dunlap	348f9f05e0	mm/memory_hotplug.c: fix printk format warnings ... Fix printk format warnings in mm/memory_hotplug.c by using "%pa": mm/memory_hotplug.c: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type 'resource_size_t' [-Wformat] mm/memory_hotplug.c: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'resource_size_t' [-Wformat] Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-05-24 16:22:52 -07:00
Randy Dunlap	349daa0f93	mm: fix memory_hotplug.c printk format warning ... PFN_PHYS() is a phys_addr_t, which can be u32 or u64. Fix the build warning when phys_addr_t is u32. mm/memory_hotplug.c: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 2 has type 'unsigned int' [-Wformat]: => 1685:3 mm/memory_hotplug.c: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'unsigned int' [-Wformat]: => 1685:3 Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-04-29 15:54:39 -07:00
David Rientjes	4edd7ceff0	mm, hotplug: avoid compiling memory hotremove functions when disabled ... __remove_pages() is only necessary for CONFIG_MEMORY_HOTREMOVE. PowerPC pseries will return -EOPNOTSUPP if unsupported. Adding an #ifdef causes several other functions it depends on to also become unnecessary, which saves in .text when disabled (it's disabled in most defconfigs besides powerpc, including x86). remove_memory_block() becomes static since it is not referenced outside of drivers/base/memory.c. Build tested on x86 and powerpc with CONFIG_MEMORY_HOTREMOVE both enabled and disabled. Signed-off-by: David Rientjes <rientjes@google.com> Acked-by: Toshi Kani <toshi.kani@hp.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-04-29 15:54:37 -07:00
Toshi Kani	fe74ebb106	mm: change __remove_pages() to call release_mem_region_adjustable() ... Change __remove_pages() to call release_mem_region_adjustable(). This allows a requested memory range to be released from the iomem_resource table even if it does not match exactly to an resource entry but still fits into. The resource entries initialized at bootup usually cover the whole contiguous memory ranges and may not necessarily match with the size of memory hot-delete requests. If release_mem_region_adjustable() failed, __remove_pages() emits a warning message and continues to proceed as it was the case with release_mem_region(). release_mem_region(), which is defined to __release_region(), emits a warning message and returns no error since a void function. Signed-off-by: Toshi Kani <toshi.kani@hp.com> Reviewed-by : Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Acked-by: David Rientjes <rientjes@google.com> Cc: Ram Pai <linuxram@us.ibm.com> Cc: T Makphaibulchoke <tmac@hp.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-04-29 15:54:37 -07:00
Toshi Kani	e05c4bbfae	mm: walk_memory_range(): fix typo in comment ... Fix a typo "end_pft" in the comment of walk_memory_range(). Signed-off-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-04-29 15:54:28 -07:00
Jianguo Wu	ca4b3f302c	mm/hotplug: only free wait_table if it's allocated by vmalloc ... zone->wait_table may be allocated from bootmem, it can not be freed. Signed-off-by: Jianguo Wu <wujianguo@huawei.com> Reviewed-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-03-22 16:41:20 -07:00
Toshi Kani	f8749452ad	mm: remove_memory(): fix end_pfn setting ... remove_memory() calls walk_memory_range() with [start_pfn, end_pfn), where end_pfn is exclusive in this range. Therefore, end_pfn needs to be set to the next page of the end address. Signed-off-by: Toshi Kani <toshi.kani@hp.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-03-13 15:21:44 -07:00
Cody P Schafer	c1f1949527	mm/memory_hotplug: use pgdat_end_pfn() instead of open coding the same. ... Replace open coded pgdat_end_pfn() with helper function. Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: David Hansen <dave@linux.vnet.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:21 -08:00
Cody P Schafer	64dd1b29bf	mm/memory_hotplug: use ensure_zone_is_initialized() ... Remove open coding of ensure_zone_is_initialzied(). Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: David Hansen <dave@linux.vnet.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:21 -08:00
Cody P Schafer	f6bbb78e5b	mm: add helper ensure_zone_is_initialized() ... ensure_zone_is_initialized() checks if a zone is in a empty & not initialized state (typically occuring after it is created in memory hotplugging), and, if so, calls init_currently_empty_zone() to initialize the zone. Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: David Hansen <dave@linux.vnet.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:21 -08:00
Cody P Schafer	108bcc96ef	mm: add & use zone_end_pfn() and zone_spans_pfn() ... Add 2 helpers (zone_end_pfn() and zone_spans_pfn()) to reduce code duplication. This also switches to using them in compaction (where an additional variable needed to be renamed), page_alloc, vmstat, memory_hotplug, and kmemleak. Note that in compaction.c I avoid calling zone_end_pfn() repeatedly because I expect at some point the sycronization issues with start_pfn & spanned_pages will need fixing, either by actually using the seqlock or clever memory barrier usage. Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: David Hansen <dave@linux.vnet.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:20 -08:00
Hugh Dickins	9c620e2bc5	mm: remove offlining arg to migrate_pages ... No functional change, but the only purpose of the offlining argument to migrate_pages() etc, was to ensure that __unmap_and_move() could migrate a KSM page for memory hotremove (which took ksm_thread_mutex) but not for other callers. Now all cases are safe, remove the arg. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Rik van Riel <riel@redhat.com> Cc: Petr Holasek <pholasek@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Izik Eidus <izik.eidus@ravellosystems.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:19 -08:00
Jiang Liu	c60514b631	mm: increase totalram_pages when free pages allocated by bootmem allocator ... Function put_page_bootmem() is used to free pages allocated by bootmem allocator, so it should increase totalram_pages when freeing pages into the buddy system. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Maciej Rutecki <maciej.rutecki@gmail.com> Cc: Chris Clayton <chris2553@googlemail.com> Cc: "Rafael J . Wysocki" <rjw@sisk.pl> Cc: Mel Gorman <mgorman@suse.de> Cc: Minchan Kim <minchan@kernel.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Jianguo Wu <wujianguo@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:15 -08:00
Wen Congyang	e13fe8695c	cpu-hotplug,memory-hotplug: clear cpu_to_node() when offlining the node ... When the node is offlined, there is no memory/cpu on the node. If a sleep task runs on a cpu of this node, it will be migrated to the cpu on the other node. So we can clear cpu-to-node mapping. [akpm@linux-foundation.org: numa_clear_node() and numa_set_node() can no longer be __cpuinit] Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Jiang Liu <liuj97@gmail.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:13 -08:00
Wen Congyang	90b30cdc1d	memory-hotplug: export the function try_offline_node() ... try_offline_node() will be needed in the tristate drivers/acpi/processor_driver.c. The node will be offlined when all memory/cpu on the node have been hotremoved. So we need the function try_offline_node() in cpu-hotplug path. If the memory-hotplug is disabled, and cpu-hotplug is enabled 1. no memory no the node we don't online the node, and cpu's node is the nearest node. 2. the node contains some memory the node has been onlined, and cpu's node is still needed to migrate the sleep task on the cpu to the same node. So we do nothing in try_offline_node() in this case. [rientjes@google.com: export the function try_offline_node() fix] Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Jiang Liu <liuj97@gmail.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Len Brown <lenb@kernel.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:13 -08:00
Tang Chen	a1e565aa3c	memory-hotplug: do not allocate pgdat if it was not freed when offline. ... Since there is no way to guarentee the address of pgdat/zone is not on stack of any kernel threads or used by other kernel objects without reference counting or other symchronizing method, we cannot reset node_data and free pgdat when offlining a node. Just reset pgdat to 0 and reuse the memory when the node is online again. The problem is suggested by Kamezawa Hiroyuki. The idea is from Wen Congyang. NOTE: If we don't reset pgdat to 0, the WARN_ON in free_area_init_node() will be triggered. [akpm@linux-foundation.org: fix warning when CONFIG_NEED_MULTIPLE_NODES=n] [akpm@linux-foundation.org: fix the warning again again] Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Reviewed-by: Wen Congyang <wency@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:13 -08:00
Wen Congyang	d822b86a99	memory-hotplug: free node_data when a node is offlined ... We call hotadd_new_pgdat() to allocate memory to store node_data. So we should free it when removing a node. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Reviewed-by: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:13 -08:00
Tang Chen	60a5a19e74	memory-hotplug: remove sysfs file of node ... Introduce a new function try_offline_node() to remove sysfs file of node when all memory sections of this node are removed. If some memory sections of this node are not removed, this function does nothing. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:13 -08:00
Yasuaki Ishimatsu	815121d2b5	memory_hotplug: clear zone when removing the memory ... When memory is added, we update zone's and pgdat's start_pfn and spanned_pages in __add_zone(). So we should revert them when the memory is removed. The patch adds a new function __remove_zone() to do this. Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Tang Chen	5fc1d66a22	memory-hotplug: integrated __remove_section() of CONFIG_SPARSEMEM_VMEMMAP. ... Currently __remove_section for SPARSEMEM_VMEMMAP does nothing. But even if we use SPARSEMEM_VMEMMAP, we can unregister the memory_section. Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Tang Chen	cd099682e4	memory-hotplug: move pgdat_resize_lock into sparse_remove_one_section() ... In __remove_section(), we locked pgdat_resize_lock when calling sparse_remove_one_section(). This lock will disable irq. But we don't need to lock the whole function. If we do some work to free pagetables in free_section_usemap(), we need to call flush_tlb_all(), which need irq enabled. Otherwise the WARN_ON_ONCE() in smp_call_function_many() will be triggered. If we lock the whole sparse_remove_one_section(), then we come to this call trace: ------------[ cut here ]------------ WARNING: at kernel/smp.c:461 smp_call_function_many+0xbd/0x260() Hardware name: PRIMEQUEST 1800E ...... Call Trace: smp_call_function_many+0xbd/0x260 smp_call_function+0x3b/0x50 on_each_cpu+0x3b/0xc0 flush_tlb_all+0x1c/0x20 remove_pagetable+0x14e/0x1d0 vmemmap_free+0x18/0x20 sparse_remove_one_section+0xf7/0x100 __remove_section+0xa2/0xb0 __remove_pages+0xa0/0xd0 arch_remove_memory+0x6b/0xc0 remove_memory+0xb8/0xf0 acpi_memory_device_remove+0x53/0x96 acpi_device_remove+0x90/0xb2 __device_release_driver+0x7c/0xf0 device_release_driver+0x2f/0x50 acpi_bus_remove+0x32/0x6d acpi_bus_trim+0x91/0x102 acpi_bus_hot_remove_device+0x88/0x16b acpi_os_execute_deferred+0x27/0x34 process_one_work+0x20e/0x5c0 worker_thread+0x12e/0x370 kthread+0xee/0x100 ret_from_fork+0x7c/0xb0 ---[ end trace 25e85300f542aa01 ]--- Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Yasuaki Ishimatsu	46723bfa54	memory-hotplug: implement register_page_bootmem_info_section of sparse-vmemmap ... For removing memmap region of sparse-vmemmap which is allocated bootmem, memmap region of sparse-vmemmap needs to be registered by get_page_bootmem(). So the patch searches pages of virtual mapping and registers the pages by get_page_bootmem(). NOTE: register_page_bootmem_memmap() is not implemented for ia64, ppc, s390, and sparc. So introduce CONFIG_HAVE_BOOTMEM_INFO_NODE and revert register_page_bootmem_info_node() when platform doesn't support it. It's implemented by adding a new Kconfig option named CONFIG_HAVE_BOOTMEM_INFO_NODE, which will be automatically selected by memory-hotplug feature fully supported archs(currently only on x86_64). Since we have 2 config options called MEMORY_HOTPLUG and MEMORY_HOTREMOVE used for memory hot-add and hot-remove separately, and codes in function register_page_bootmem_info_node() are only used for collecting infomation for hot-remove, so reside it under MEMORY_HOTREMOVE. Besides page_isolation.c selected by MEMORY_ISOLATION under MEMORY_HOTPLUG is also such case, move it too. [mhocko@suse.cz: put register_page_bootmem_memmap inside CONFIG_MEMORY_HOTPLUG_SPARSE] [linfeng@cn.fujitsu.com: introduce CONFIG_HAVE_BOOTMEM_INFO_NODE and revert register_page_bootmem_info_node()] [mhocko@suse.cz: remove the arch specific functions without any implementation] [linfeng@cn.fujitsu.com: mm/Kconfig: move auto selects from MEMORY_HOTPLUG to MEMORY_HOTREMOVE as needed] [rientjes@google.com: fix defined but not used warning] Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Reviewed-by: Wu Jianguo <wujianguo@huawei.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Michal Hocko <mhocko@suse.cz> Signed-off-by: Lin Feng <linfeng@cn.fujitsu.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Wen Congyang	24d335ca36	memory-hotplug: introduce new arch_remove_memory() for removing page table ... For removing memory, we need to remove page tables. But it depends on architecture. So the patch introduce arch_remove_memory() for removing page table. Now it only calls __remove_pages(). Note: __remove_pages() for some archtecuture is not implemented (I don't know how to implement it for s390). Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Yasuaki Ishimatsu	46c66c4b7b	memory-hotplug: remove /sys/firmware/memmap/X sysfs ... When (hot)adding memory into system, /sys/firmware/memmap/X/{end, start, type} sysfs files are created. But there is no code to remove these files. This patch implements the function to remove them. We cannot free firmware_map_entry which is allocated by bootmem because there is no way to do so when the system is up. But we can at least remember the address of that memory and reuse the storage when the memory is added next time. This patch also introduces a new list map_entries_bootmem to link the map entries allocated by bootmem when they are removed, and a lock to protect it. And these entries will be reused when the memory is hot-added again. The idea is suggestted by Andrew Morton. NOTE: It is unsafe to return an entry pointer and release the map_entries_lock. So we should not hold the map_entries_lock separately in firmware_map_find_entry() and firmware_map_remove_entry(). Hold the map_entries_lock across find and remove /sys/firmware/memmap/X operation. And also, users of these two functions need to be careful to hold the lock when using these two functions. [tangchen@cn.fujitsu.com: Hold spinlock across find|remove /sys operation] [tangchen@cn.fujitsu.com: fix the wrong comments of map_entries] [tangchen@cn.fujitsu.com: reuse the storage of /sys/firmware/memmap/X/ allocated by bootmem] [tangchen@cn.fujitsu.com: fix section mismatch problem] [tangchen@cn.fujitsu.com: fix the doc format in drivers/firmware/memmap.c] Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Reviewed-by: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Julian Calaby <julian.calaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Wen Congyang	bbc76be67c	memory-hotplug: remove redundant codes ... offlining memory blocks and checking whether memory blocks are offlined are very similar. This patch introduces a new function to remove redundant codes. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Reviewed-by: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:12 -08:00
Yasuaki Ishimatsu	6677e3eaf4	memory-hotplug: check whether all memory blocks are offlined or not when removing memory ... We remove the memory like this: 1. lock memory hotplug 2. offline a memory block 3. unlock memory hotplug 4. repeat 1-3 to offline all memory blocks 5. lock memory hotplug 6. remove memory(TODO) 7. unlock memory hotplug All memory blocks must be offlined before removing memory. But we don't hold the lock in the whole operation. So we should check whether all memory blocks are offlined before step6. Otherwise, kernel maybe panicked. Offlining a memory block and removing a memory device can be two different operations. Users can just offline some memory blocks without removing the memory device. For this purpose, the kernel has held lock_memory_hotplug() in __offline_pages(). To reuse the code for memory hot-remove, we repeat step 1-3 to offline all the memory blocks, repeatedly lock and unlock memory hotplug, but not hold the memory hotplug lock in the whole operation. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:11 -08:00
Wen Congyang	993c1aad8f	memory-hotplug: try to offline the memory twice to avoid dependence ... memory can't be offlined when CONFIG_MEMCG is selected. For example: there is a memory device on node 1. The address range is [1G, 1.5G). You will find 4 new directories memory8, memory9, memory10, and memory11 under the directory /sys/devices/system/memory/. If CONFIG_MEMCG is selected, we will allocate memory to store page cgroup when we online pages. When we online memory8, the memory stored page cgroup is not provided by this memory device. But when we online memory9, the memory stored page cgroup may be provided by memory8. So we can't offline memory8 now. We should offline the memory in the reversed order. When the memory device is hotremoved, we will auto offline memory provided by this memory device. But we don't know which memory is onlined first, so offlining memory may fail. In such case, iterate twice to offline the memory. 1st iterate: offline every non primary memory block. 2nd iterate: offline primary (i.e. first added) memory block. This idea is suggested by KOSAKI Motohiro. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wu Jianguo <wujianguo@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:11 -08:00
Sasha Levin	a864b9d06c	mm: memory_hotplug: no need to check res twice in add_memory ... Remove one redundant check of res. Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-02-23 17:50:11 -08:00
Tang Chen	79a4dcefd3	mm/memory_hotplug.c: improve comments ... Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-18 15:02:15 -08:00
Linus Torvalds	3d59eebc5e	Automatic NUMA Balancing V11 ... -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIcBAABAgAGBQJQx0kQAAoJEHzG/DNEskfi4fQP/R5PRovayroZALBMLnVJDaLD Ttr9p40VNXbiJ+MfRgatJjSSJZ4Jl+fC3NEqBhcwVZhckZZb9R2s0WtrSQo5+ZbB vdRfiuKoCaKM4cSZ08C12uTvsF6xjhjd27CTUlMkyOcDoKxMEFKelv0hocSxe4Wo xqlv3eF+VsY7kE1BNbgBP06SX4tDpIHRxXfqJPMHaSKQmre+cU0xG2GcEu3QGbHT DEDTI788YSaWLmBfMC+kWoaQl1+bV/FYvavIAS8/o4K9IKvgR42VzrXmaFaqrbgb 72ksa6xfAi57yTmZHqyGmts06qYeBbPpKI+yIhCMInxA9CY3lPbvHppRf0RQOyzj YOi4hovGEMJKE+BCILukhJcZ9jCTtS3zut6v1rdvR88f4y7uhR9RfmRfsxuW7PNj 3Rmh191+n0lVWDmhOs2psXuCLJr3LEiA0dFffN1z8REUTtTAZMsj8Rz+SvBNAZDR hsJhERVeXB6X5uQ5rkLDzbn1Zic60LjVw7LIp6SF2OYf/YKaF8vhyWOA8dyCEu8W CGo7AoG0BO8tIIr8+LvFe8CweypysZImx4AjCfIs4u9pu/v11zmBvO9NO5yfuObF BreEERYgTes/UITxn1qdIW4/q+Nr0iKO3CTqsmu6L1GfCz3/XzPGs3U26fUhllqi Ka0JKgnWvsa6ez6FSzKI =ivQa -----END PGP SIGNATURE----- Merge tag 'balancenuma-v11' of git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma Pull Automatic NUMA Balancing bare-bones from Mel Gorman: "There are three implementations for NUMA balancing, this tree (balancenuma), numacore which has been developed in tip/master and autonuma which is in aa.git. In almost all respects balancenuma is the dumbest of the three because its main impact is on the VM side with no attempt to be smart about scheduling. In the interest of getting the ball rolling, it would be desirable to see this much merged for 3.8 with the view to building scheduler smarts on top and adapting the VM where required for 3.9. The most recent set of comparisons available from different people are mel: https://lkml.org/lkml/2012/12/9/108 mingo: https://lkml.org/lkml/2012/12/7/331 tglx: https://lkml.org/lkml/2012/12/10/437 srikar: https://lkml.org/lkml/2012/12/10/397 The results are a mixed bag. In my own tests, balancenuma does reasonably well. It's dumb as rocks and does not regress against mainline. On the other hand, Ingo's tests shows that balancenuma is incapable of converging for this workloads driven by perf which is bad but is potentially explained by the lack of scheduler smarts. Thomas' results show balancenuma improves on mainline but falls far short of numacore or autonuma. Srikar's results indicate we all suffer on a large machine with imbalanced node sizes. My own testing showed that recent numacore results have improved dramatically, particularly in the last week but not universally. We've butted heads heavily on system CPU usage and high levels of migration even when it shows that overall performance is better. There are also cases where it regresses. Of interest is that for specjbb in some configurations it will regress for lower numbers of warehouses and show gains for higher numbers which is not reported by the tool by default and sometimes missed in treports. Recently I reported for numacore that the JVM was crashing with NullPointerExceptions but currently it's unclear what the source of this problem is. Initially I thought it was in how numacore batch handles PTEs but I'm no longer think this is the case. It's possible numacore is just able to trigger it due to higher rates of migration. These reports were quite late in the cycle so I/we would like to start with this tree as it contains much of the code we can agree on and has not changed significantly over the last 2-3 weeks." * tag 'balancenuma-v11' of git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma: (50 commits) mm/rmap, migration: Make rmap_walk_anon() and try_to_unmap_anon() more scalable mm/rmap: Convert the struct anon_vma::mutex to an rwsem mm: migrate: Account a transhuge page properly when rate limiting mm: numa: Account for failed allocations and isolations as migration failures mm: numa: Add THP migration for the NUMA working set scanning fault case build fix mm: numa: Add THP migration for the NUMA working set scanning fault case. mm: sched: numa: Delay PTE scanning until a task is scheduled on a new node mm: sched: numa: Control enabling and disabling of NUMA balancing if !SCHED_DEBUG mm: sched: numa: Control enabling and disabling of NUMA balancing mm: sched: Adapt the scanning rate if a NUMA hinting fault does not migrate mm: numa: Use a two-stage filter to restrict pages being migrated for unlikely task<->node relationships mm: numa: migrate: Set last_nid on newly allocated page mm: numa: split_huge_page: Transfer last_nid on tail page mm: numa: Introduce last_nid to the page frame sched: numa: Slowly increase the scanning period as NUMA faults are handled mm: numa: Rate limit setting of pte_numa if node is saturated mm: numa: Rate limit the amount of memory that is migrated between nodes mm: numa: Structures for Migrate On Fault per NUMA migration rate limiting mm: numa: Migrate pages handled during a pmd_numa hinting fault mm: numa: Migrate on reference policy ...	2012-12-16 15:18:08 -08:00
Linus Torvalds	f6e858a00a	Merge branch 'akpm' (Andrew's patch-bomb) ... Merge misc VM changes from Andrew Morton: "The rest of most-of-MM. The other MM bits await a slab merge. This patch includes the addition of a huge zero_page. Not a performance boost but it an save large amounts of physical memory in some situations. Also a bunch of Fujitsu engineers are working on memory hotplug. Which, as it turns out, was badly broken. About half of their patches are included here; the remainder are 3.8 material." However, this merge disables CONFIG_MOVABLE_NODE, which was totally broken. We don't add new features with "default y", nor do we add Kconfig questions that are incomprehensible to most people without any help text. Does the feature even make sense without compaction or memory hotplug? * akpm: (54 commits) mm/bootmem.c: remove unused wrapper function reserve_bootmem_generic() mm/memory.c: remove unused code from do_wp_page() asm-generic, mm: pgtable: consolidate zero page helpers mm/hugetlb.c: fix warning on freeing hwpoisoned hugepage hwpoison, hugetlbfs: fix RSS-counter warning hwpoison, hugetlbfs: fix "bad pmd" warning in unmapping hwpoisoned hugepage mm: protect against concurrent vma expansion memcg: do not check for mm in __mem_cgroup_count_vm_event tmpfs: support SEEK_DATA and SEEK_HOLE (reprise) mm: provide more accurate estimation of pages occupied by memmap fs/buffer.c: remove redundant initialization in alloc_page_buffers() fs/buffer.c: do not inline exported function writeback: fix a typo in comment mm: introduce new field "managed_pages" to struct zone mm, oom: remove statically defined arch functions of same name mm, oom: remove redundant sleep in pagefault oom handler mm, oom: cleanup pagefault oom handler memory_hotplug: allow online/offline memory to result movable node numa: add CONFIG_MOVABLE_NODE for movable-dedicated node mm, memcg: avoid unnecessary function call when memcg is disabled ...	2012-12-13 13:11:15 -08:00
Linus Torvalds	a2013a13e6	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial ... Pull trivial branch from Jiri Kosina: "Usual stuff -- comment/printk typo fixes, documentation updates, dead code elimination." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits) HOWTO: fix double words typo x86 mtrr: fix comment typo in mtrr_bp_init propagate name change to comments in kernel source doc: Update the name of profiling based on sysfs treewide: Fix typos in various drivers treewide: Fix typos in various Kconfig wireless: mwifiex: Fix typo in wireless/mwifiex driver messages: i2o: Fix typo in messages/i2o scripts/kernel-doc: check that non-void fcts describe their return value Kernel-doc: Convention: Use a "Return" section to describe return values radeon: Fix typo and copy/paste error in comments doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c various: Fix spelling of "asynchronous" in comments. Fix misspellings of "whether" in comments. eisa: Fix spelling of "asynchronous". various: Fix spelling of "registered" in comments. doc: fix quite a few typos within Documentation target: iscsi: fix comment typos in target/iscsi drivers treewide: fix typo of "suport" in various comments and Kconfig treewide: fix typo of "suppport" in various comments ...	2012-12-13 12:00:02 -08:00
Jiang Liu	9feedc9d83	mm: introduce new field "managed_pages" to struct zone ... Currently a zone's present_pages is calcuated as below, which is inaccurate and may cause trouble to memory hotplug. spanned_pages - absent_pages - memmap_pages - dma_reserve. During fixing bugs caused by inaccurate zone->present_pages, we found zone->present_pages has been abused. The field zone->present_pages may have different meanings in different contexts: 1) pages existing in a zone. 2) pages managed by the buddy system. For more discussions about the issue, please refer to: http://lkml.org/lkml/2012/11/5/866 https://patchwork.kernel.org/patch/1346751/ This patchset tries to introduce a new field named "managed_pages" to struct zone, which counts "pages managed by the buddy system". And revert zone->present_pages to count "physical pages existing in a zone", which also keep in consistence with pgdat->node_present_pages. We will set an initial value for zone->managed_pages in function free_area_init_core() and will adjust it later if the initial value is inaccurate. For DMA/normal zones, the initial value is set to: (spanned_pages - absent_pages - memmap_pages - dma_reserve) Later zone->managed_pages will be adjusted to the accurate value when the bootmem allocator frees all free pages to the buddy system in function free_all_bootmem_node() and free_all_bootmem(). The bootmem allocator doesn't touch highmem pages, so highmem zones' managed_pages is set to the accurate value "spanned_pages - absent_pages" in function free_area_init_core() and won't be updated anymore. This patch also adds a new field "managed_pages" to /proc/zoneinfo and sysrq showmem. [akpm@linux-foundation.org: small comment tweaks] Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Maciej Rutecki <maciej.rutecki@gmail.com> Tested-by: Chris Clayton <chris2553@googlemail.com> Cc: "Rafael J . Wysocki" <rjw@sisk.pl> Cc: Mel Gorman <mgorman@suse.de> Cc: Minchan Kim <minchan@kernel.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-12 17:38:34 -08:00
Lai Jiangshan	09285af75d	memory_hotplug: allow online/offline memory to result movable node ... Now, memory management can handle movable node or nodes which don't have any normal memory, so we can dynamic configure and add movable node by: online a ZONE_MOVABLE memory from a previous offline node offline the last normal memory which result a non-normal-memory-node movable-node is very important for power-saving, hardware partitioning and high-available-system(hardware fault management). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Tested-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-12 17:38:34 -08:00
Lai Jiangshan	6715ddf945	hotplug: update nodemasks management ... Update nodemasks management for N_MEMORY. [lliubbo@gmail.com: fix build] Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Cc: Christoph Lameter <cl@linux.com> Cc: Hillf Danton <dhillf@gmail.com> Cc: Lin Feng <linfeng@cn.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-12 17:38:33 -08:00
Lai Jiangshan	74d42d8fe1	memory_hotplug: ensure every online node has NORMAL memory ... Old memory hotplug code and new online/movable may cause a online node don't have any normal memory, but memory-management acts bad when we have nodes which is online but don't have any normal memory. Example: it may cause a bound task fail on all kernel allocation and cause the task can't create task or create other kernel object. So we disable non-normal-memory-node here, we will enable it when we prepared. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-11 17:22:28 -08:00
Lai Jiangshan	e455a9b92d	memory_hotplug: handle empty zone when online_movable/online_kernel ... Make online_movable/online_kernel can empty a zone or can move memory to a empty zone. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-11 17:22:28 -08:00
Lai Jiangshan	511c2aba8f	mm, memory-hotplug: dynamic configure movable memory and portion memory ... Add online_movable and online_kernel for logic memory hotplug. This is the dynamic version of "movablecore" & "kernelcore". We have the same reason to introduce it as to introduce "movablecore" & "kernelcore". It has the same motive as "movablecore" & "kernelcore", but it is dynamic/running-time: o We can configure memory as kernelcore or movablecore after boot. Userspace workload is increased, we need more hugepage, we can't use "online_movable" to add memory and allow the system use more THP(transparent-huge-page), vice-verse when kernel workload is increase. Also help for virtualization to dynamic configure host/guest's memory, to save/(reduce waste) memory. Memory capacity on Demand o When a new node is physically online after boot, we need to use "online_movable" or "online_kernel" to configure/portion it as we expected when we logic-online it. This configuration also helps for physically-memory-migrate. o all benefit as the same as existed "movablecore" & "kernelcore". o Preparing for movable-node, which is very important for power-saving, hardware partitioning and high-available-system(hardware fault management). (Note, we don't introduce movable-node here.) Action behavior: When a memoryblock/memorysection is onlined by "online_movable", the kernel will not have directly reference to the page of the memoryblock, thus we can remove that memory any time when needed. When it is online by "online_kernel", the kernel can use it. When it is online by "online", the zone type doesn't changed. Current constraints: Only the memoryblock which is adjacent to the ZONE_MOVABLE can be online from ZONE_NORMAL to ZONE_MOVABLE. [akpm@linux-foundation.org: use min_t, cleanups] Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-11 17:22:28 -08:00
Tang Chen	712cd386fd	mm/memory_hotplug.c: update start_pfn in zone and pg_data when spanned_pages == 0. ... If we hot-remove memory only and leave the cpus alive, the corresponding node will not be removed. But the node_start_pfn and node_spanned_pages in pg_data will be reset to 0. In this case, when we hot-add the memory back next time, the node_start_pfn will always be 0 because no pfn is less than 0. After that, if we hot-remove the memory again, it will cause kernel panic in function find_biggest_section_pfn() when it tries to scan all the pfns. The zone will also have the same problem. This patch sets start_pfn to the start_pfn of the section being added when spanned_pages of the zone or pg_data is 0. ---How to reproduce--- 1. hot-add a container with some memory and cpus; 2. hot-remove the container's memory, and leave cpus there; 3. hot-add these memory again; 4. hot-remove them again; then, the kernel will panic. ---Call trace--- BUG: unable to handle kernel paging request at 00000fff82a8cc38 IP: [<ffffffff811c0d55>] find_biggest_section_pfn+0xe5/0x180 ...... Call Trace: [<ffffffff811c1124>] __remove_zone+0x184/0x1b0 [<ffffffff811c11dc>] __remove_section+0x8c/0xb0 [<ffffffff811c12e7>] __remove_pages+0xe7/0x120 [<ffffffff81654f7c>] arch_remove_memory+0x2c/0x80 [<ffffffff81655bb6>] remove_memory+0x56/0x90 [<ffffffff813da0c8>] acpi_memory_device_remove_memory+0x48/0x73 [<ffffffff813da55a>] acpi_memory_device_notify+0x153/0x274 [<ffffffff813b6786>] acpi_ev_notify_dispatch+0x41/0x5f [<ffffffff813a3867>] acpi_os_execute_deferred+0x27/0x34 [<ffffffff81090589>] process_one_work+0x219/0x680 [<ffffffff810923be>] worker_thread+0x12e/0x320 [<ffffffff81098396>] kthread+0xc6/0xd0 [<ffffffff8167c7c4>] kernel_thread_helper+0x4/0x10 ...... ---[ end trace 96d845dbf33fee11 ]--- Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-12-11 17:22:23 -08:00