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Merge commit 'v3.10.67' into msm-3.10
This merge brings us up to date with upstream kernel.org tag v3.10.67.
It also contains changes to allow forbidden warnings introduced in
the commit 'core, nfqueue, openvswitch: Orphan frags in skb_zerocopy
and handle errors'. Once upstream has corrected these warnings, the
changes to scripts/gcc-wrapper.py, in this commit, can be reverted.
* commit 'v3.10.67' (915 commits)
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
Signed-off-by: Ian Maund <imaund@codeaurora.org>
Create a config option to allow register writes
using debugfs. Currently this requires source code
changes and re-compile. To facilitate client drivers
that are using regmap framework in debugging, would
need a way accessing registers from debugfs. Creating
config option would make this easy for the client drivers.
Change-Id: I1f5016ecff5d16991235c7691df1f120c0977ec2
Signed-off-by: Aravind Kumar <akumark@codeaurora.org>
Extends the last_resume_reason to log suspend abort reason. The abort
reasons will have "Abort:" appended at the start to distinguish itself
from the resume reason.
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Change-Id: I3207f1844e3d87c706dfc298fb10e1c648814c5f
Git-commit: 7af7a7d021416dfdbb30e6b31957297d484ebb97
Git-repo: https://android.googlesource.com/kernel/common.git
Signed-off-by: Ian Maund <imaund@codeaurora.org>
Got the following oops just before reboot:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
[<8028d300>] (__list_del_entry+0x44/0xac)
[<802e3320>] (__fw_load_abort.part.13+0x1c/0x50)
[<802e337c>] (fw_shutdown_notify+0x28/0x50)
[<80034f80>] (notifier_call_chain.isra.1+0x5c/0x9c)
[<800350ec>] (__blocking_notifier_call_chain+0x44/0x58)
[<80035114>] (blocking_notifier_call_chain+0x14/0x18)
[<80035d64>] (kernel_restart_prepare+0x14/0x38)
[<80035d94>] (kernel_restart+0xc/0x50)
The following race condition triggers here:
_request_firmware_load()
device_create_file(...)
kobject_uevent(...)
(schedule)
(resume)
firmware_loading_store(1)
firmware_loading_store(0)
list_del_init(&buf->pending_list)
(schedule)
(resume)
list_add(&buf->pending_list, &pending_fw_head);
wait_for_completion(&buf->completion);
causing an oops later when walking pending_list after the firmware has
been released.
The proposed fix is to move the list_add() before sysfs attribute
creation.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Acked-by: Ming Lei <ming.lei@canonical.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: df77f00e9623348a89970c00bdb0b3d72789bfa8
Git-repo: https://android.googlesource.com/kernel/common.git
Signed-off-by: Ian Maund <imaund@codeaurora.org>
When a system goes to reboot/shutdown, it tries to disable the
usermode helper via usermodehelper_disable(). This might be blocked
when a driver tries to load a firmware beforehand and it's stuck by
some reason. For example, dell_rbu driver loads the firmware in
non-hotplug mode and waits for user-space clearing the loading sysfs
flag. If user-space doesn't clear the flag, it waits forever, thus
blocks the reboot, too.
As a workaround, in this patch, the firmware class driver registers a
reboot notifier so that it can abort all pending f/w bufs before
issuing usermodehelper_disable().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: 28cb7116eebfa0e4b36b154df0f1c6a251f3b97b
Git-repo: https://android.googlesource.com/kernel/common.git
[imaund@codeaurora.org: Resolved context conflicts]
Signed-off-by: Ian Maund <imaund@codeaurora.org>
Add an additional path, /firmware/image to the list of fw paths
that request_firmware looks into for the firmware images.
Change-Id: I4b9164f222bf0a8546072de97838bf9d49dd8252
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>
The macro "REGMAP_ALLOW_WRITE_DEBUGFS" can be used to enable write
support on the registers file in the debugfs. The mode of the file is
fixed to 0400 so it is not possible to write the file ever.
This patch fixes the mode by setting it to the correct value depending
on the macro.
Change-Id: I2c365b342af941ec48d4f790134b5e56f2bf99ea
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Git-commit: 18c0301f9898feaac38135b2cea476bb606830e3
Git-repo: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git
[phaniu@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
It was observed that CMA pages are sometimes getting
pinned down by BG process scheduled out in their exit
path. Since BG process has lower priority they end up
getting less time slice by scheduler there by consuming
more time to free up CMA page.
So instead of failing to allocate and directly
returning error on CMA allocation path, we increase the
number of retries to 2 to see if the process which
was in exit path and about to release pages was able to
to do so or not.
Change-Id: I693228d36186ab17480f36b492ada91ab7c262d8
Signed-off-by: Susheel Khiani <skhiani@codeaurora.org>
CMA allocation sometimes fail because page is
momentarily pinned by some other process, i.e.
reference count page->_count > 1, as a
result of which we are not able to migrate
the page out of CMA area. When such situation
occurs, instead of failing to allocate and directly
returning error,sleep for 100ms and re-scan the
CMA area to see if the page which was pinned down
has been freed.
Change-Id: Ie9b92002f38fd44cf28aee32a184c57c26e59437
Signed-off-by: Susheel Khiani <skhiani@codeaurora.org>
Remove the global sysctl_sched_prefer_idle flag and replace it with a
per-cpu prefer_idle flag. The per-cpu flag is expected to same for all
cpus in a cluster. It thus provides convenient means to disable
packing in one cluster while allowing packing in another cluster.
Change-Id: Ie4cc73bb1a55b4eac5697be38e558546161faca1
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
When CMA allocation fails because of any pending
signals, we clear off pfn and bit map before
returning back. While clearing off the bitmap,
we still use the pfn info so, clear pfn only
after bitmap is cleared.
CRs-fixed: 772299
Change-Id: I94e566181f75b7c8ebdab7d29437e5fca5f3fbdc
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
If there is any error while executing "late suspend" callbacks, then
the pm_runtime_enable() will not be called.
Hence in case of an error call pm_runtime_enable() before exiting from
dpm_suspend_late().
CRs-fixed: 740511
Change-Id: Iedacbbf47a4ef0ab0a0ace71fc809d056d56f89f
Signed-off-by: Azhar Shaikh <azhars@codeaurora.org>
Add another dimension for task packing based on frequency. This patch
adds a per-cpu tunable, rq->mostly_idle_freq, which when set will
result in tasks being packed on a single cpu in cluster as long as
cluster frequency is less than set threshold.
Change-Id: I318e9af6c8788ddf5dfcda407d621449ea5343c0
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
commit e4a60d139060975eb956717e4f63ae348d4d8cc5 upstream.
There is a race condition when removing glue directory.
It can be reproduced in following test:
path 1: Add first child device
device_add()
get_device_parent()
/*find parent from glue_dirs.list*/
list_for_each_entry(k, &dev->class->p->glue_dirs.list, entry)
if (k->parent == parent_kobj) {
kobj = kobject_get(k);
break;
}
....
class_dir_create_and_add()
path2: Remove last child device under glue dir
device_del()
cleanup_device_parent()
cleanup_glue_dir()
kobject_put(glue_dir);
If path2 has been called cleanup_glue_dir(), but not
call kobject_put(glue_dir), the glue dir is still
in parent's kset list. Meanwhile, path1 find the glue
dir from the glue_dirs.list. Path2 may release glue dir
before path1 call kobject_get(). So kernel will report
the warning and bug_on.
This is a "classic" problem we have of a kref in a list
that can be found while the last instance could be removed
at the same time.
This patch reuse gdp_mutex to fix this race condition.
The following calltrace is captured in kernel 3.4, but
the latest kernel still has this bug.
-----------------------------------------------------
<4>[ 3965.441471] WARNING: at ...include/linux/kref.h:41 kobject_get+0x33/0x40()
<4>[ 3965.441474] Hardware name: Romley
<4>[ 3965.441475] Modules linked in: isd_iop(O) isd_xda(O)...
...
<4>[ 3965.441605] Call Trace:
<4>[ 3965.441611] [<ffffffff8103717a>] warn_slowpath_common+0x7a/0xb0
<4>[ 3965.441615] [<ffffffff810371c5>] warn_slowpath_null+0x15/0x20
<4>[ 3965.441618] [<ffffffff81215963>] kobject_get+0x33/0x40
<4>[ 3965.441624] [<ffffffff812d1e45>] get_device_parent.isra.11+0x135/0x1f0
<4>[ 3965.441627] [<ffffffff812d22d4>] device_add+0xd4/0x6d0
<4>[ 3965.441631] [<ffffffff812d0dbc>] ? dev_set_name+0x3c/0x40
....
<2>[ 3965.441912] kernel BUG at ..../fs/sysfs/group.c:65!
<4>[ 3965.441915] invalid opcode: 0000 [#1] SMP
...
<4>[ 3965.686743] [<ffffffff811a677e>] sysfs_create_group+0xe/0x10
<4>[ 3965.686748] [<ffffffff810cfb04>] blk_trace_init_sysfs+0x14/0x20
<4>[ 3965.686753] [<ffffffff811fcabb>] blk_register_queue+0x3b/0x120
<4>[ 3965.686756] [<ffffffff812030bc>] add_disk+0x1cc/0x490
....
-------------------------------------------------------
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Weng Meiling <wengmeiling.weng@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sched_mostly_idle_load and sched_mostly_idle_nr_run knobs help pack
tasks on cpus to some extent. In some cases, it may be desirable to
have different packing limits for different cpus. For example, pack to
a higher limit on high-performance cpus compared to power-efficient
cpus.
This patch removes the global mostly_idle tunables and makes them
per-cpu, thus letting task packing behavior to be controlled in a
fine-grained manner.
Change-Id: Ifc254cda34b928eae9d6c342ce4c0f64e531e6c2
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
commit 471b095dfe0d693a8d624cbc716d1ee4d74eb437 upstream.
An empty firmware request name will trigger warnings when building
device names. Make sure this is caught earlier and rejected.
The warning was visible via the test_firmware.ko module interface:
echo -ne "\x00" > /sys/devices/virtual/misc/test_firmware/trigger_request
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 5336be8416a71b5568d2cf54a2f2066abe9f2a53 upstream.
If LOG_DEVICE is defined and map->dev is NULL it will lead to NULL
pointer dereference. This patch fixes this issue by adding check for
dev->NULL in all such places in regmap.c
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 2c98e0c1cc6b8e86f1978286c3d4e0769ee9d733 upstream.
If 'map->dev' is NULL and there will lead dev_name() to be NULL pointer
dereference. So before dev_name(), we need to have check of the map->dev
pionter.
We also should make sure that the 'name' pointer shouldn't be NULL for
debugfs_create_dir(). So here using one default "dummy" debugfs name when
the 'name' pointer and 'map->dev' are both NULL.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
HLOS assumes the size of the CMA based heaps is equal to the
size specified with the "linux-contiguous-region" property.
This is not always true, and CMA might reserve more memory
to take care of alignment. This causes the secure world to
lockdown more memory than it is supposed to, thus denying
access to clients. The cma_get_size api returns the correct
size which is reserved for these heaps, thus preventing
client access issues.
CRs-Fixed: 737584
Change-Id: Idf5f3587c0a2b1a300b2102079b6796323254cc8
Signed-off-by: Neeti Desai <neetid@codeaurora.org>
commit 5844a8b9d98ec11ce1d77610daacf3f0a0e14715 upstream.
A previous over-zealous factorisation of code means that we only treat
registers as volatile if they are readable. For most devices this is fine
since normally most registers can be read and volatility implies
readability but for format_write() devices where there is no readback from
the hardware and we use volatility to mean simply uncacheability this means
that we end up treating all registers as cacheble.
A bigger refactoring of the code to clarify this is in order but as a fix
make a minimal change and only check readability when checking volatility
if there is no format_write() operation defined for the device.
Signed-off-by: Mark Brown <broonie@linaro.org>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* commit 'v3.10.49': (529 commits)
Linux 3.10.49
ACPI / battery: Retry to get battery information if failed during probing
x86, ioremap: Speed up check for RAM pages
Score: Modify the Makefile of Score, remove -mlong-calls for compiling
Score: The commit is for compiling successfully.
Score: Implement the function csum_ipv6_magic
score: normalize global variables exported by vmlinux.lds
rtmutex: Plug slow unlock race
rtmutex: Handle deadlock detection smarter
rtmutex: Detect changes in the pi lock chain
rtmutex: Fix deadlock detector for real
ring-buffer: Check if buffer exists before polling
drm/radeon: stop poisoning the GART TLB
drm/radeon: fix typo in golden register setup on evergreen
ext4: disable synchronous transaction batching if max_batch_time==0
ext4: clarify error count warning messages
ext4: fix unjournalled bg descriptor while initializing inode bitmap
dm io: fix a race condition in the wake up code for sync_io
Drivers: hv: vmbus: Fix a bug in the channel callback dispatch code
clk: spear3xx: Use proper control register offset
...
In addition to bringing in upstream commits, this merge also makes minor
changes to mainitain compatibility with upstream:
The definition of list_next_entry in qcrypto.c and ipa_dp.c has been
removed, as upstream has moved the definition to list.h. The implementation
of list_next_entry was identical between the two.
irq.c, for both arm and arm64 architecture, has had its calls to
__irq_set_affinity_locked updated to reflect changes to the API upstream.
Finally, as we have removed the sleep_length member variable of the
tick_sched struct, all changes made by upstream commit ec804bd do not
apply to our tree and have been removed from this merge. Only
kernel/time/tick-sched.c is impacted.
Change-Id: I63b7e0c1354812921c94804e1f3b33d1ad6ee3f1
Signed-off-by: Ian Maund <imaund@codeaurora.org>
This patch adds support for advertising optional CPU features over udev
using the modalias, and for declaring compatibility with/dependency upon
such a feature in a module.
The mapping between feature numbers and actual features should be provided
by the architecture in a file called <asm/cpufeature.h> which exports the
following functions/macros:
- cpu_feature(FEAT), a preprocessor macro that maps token FEAT to a
numeric index;
- bool cpu_have_feature(n), returning whether this CPU has support for
feature #n;
- MAX_CPU_FEATURES, an upper bound for 'n' in the previous function.
The feature can then be enabled by setting CONFIG_GENERIC_CPU_AUTOPROBE
for the architecture.
For instance, a module that registers its module init function using
module_cpu_feature_match(FEAT_X, module_init_function)
will be probed automatically when the CPU's support for the 'FEAT_X'
feature is advertised over udev, and will only allow the module to be
loaded by hand if the 'FEAT_X' feature is supported.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: 67bad2fdb754dbef14596c0b5d28b3a12c8dfe84
[joonwoop@codeaurora.org: fixed trivial merge conflict.]
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
CPUs are also registered as devices but the of_node in these cpu
devices are not initialized. Currently different drivers requiring
to access cpu device node are parsing the nodes themselves and
initialising the of_node in cpu device.
The of_node in all the cpu devices needs to be initialized properly
and at one place. The best place to update this is CPU subsystem
driver when registering the cpu devices.
The OF/DT core library now provides of_get_cpu_node to retrieve a cpu
device node for a given logical index by abstracting the architecture
specific details.
This patch uses of_get_cpu_node to assign of_node when registering the
cpu devices.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
[joonwoop@codeaurora.org: fixed trivial merge conflict.]
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: f86e4718f24b83be0c42894d2b97accc993d65d3
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Make of_get_flat_dt_prop arguments compatible with libfdt fdt_getprop
call in preparation to convert FDT code to use libfdt. Make the return
value const and the property length ptr type an int.
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Stephen Chivers <schivers@csc.com>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: 9d0c4dfedd96ee54fc075b16d02f82499c8cc3a6
[joonwoop@codeaurora.org: updated drivers/base/dma-contiguous.c to use 'const'
qualifier. dropped arch/arm/mach-exynos/exynos.c.]
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Don't use the fw pointer before performing the null
check on it.
Change-Id: I303f71681647e2acb0b7e340b8f8580436cfb19d
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>
Introduce devm_kmemdup, which uses resource managed kmalloc.
There are several request from maintainers to add this instead
of using kmemdup.
Change-Id: I9a74683b3025ecb2e4b6abbef6f3c0f3208a8249
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Git-commit: 3046365bb470f0ec2f7cf5cb07a8ee7e4b490103
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
This patch introduces "devm_kstrdup" API so that the
device's driver can allocate memory and copy string.
Change-Id: Iaeeeb289dc599ae3aa4477386edf9f6b70f83704
Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Git-commit: e31108cad3deabb1a63111d7aa699ca67753c01f
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
commit 64c862a8 (devres: add kernel standard devm_k.alloc functions) changed
the default behavior of alloc_dr() to no longer zero the allocated memory. However,
only the devm.k.alloc() function were modified to pass in __GFP_ZERO which leaves
any users of devres_alloc() or __devres_alloc() with potentially wrong assumptions
about memory being zero'd upon allocation.
To fix, add __GFP_ZERO to devres_alloc() calls to preserve previous
behavior of zero'ing memory upon allocation.
Change-Id: Ia1d5f757dfbf0a75ff39279ff87e182085f451cf
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: 6fffcfa7c0fc438d3667b4eb2074d94f69c12c7b
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Currently, devm_ managed memory only supports kzalloc.
Convert the devm_kzalloc implementation to devm_kmalloc and remove the
complete memset to 0 but still set the initial struct devres header and
whatever padding before data to 0.
Add the other normal alloc variants as static inlines with __GFP_ZERO
added to the gfp flag where appropriate:
devm_kzalloc
devm_kcalloc
devm_kmalloc_array
Add gfp.h to device.h for the newly added static inlines.
akpm: the current API forces us to replace kmalloc() with kzalloc() when
performing devm_ conversions. This adds a relatively minor overhead.
More significantly, it will defeat kmemcheck used-uninitialized checking,
and for a particular driver, losing used-uninitialised checking for their
core controlling data structures will significantly degrade kmemcheck
usefulness.
Change-Id: Ib508e5b5f5eb2c8414054e200645fb9c98c48eac
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Sangjung Woo <sangjung.woo@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: 64c862a839a8db2c02bbaa88b923d13e1208919d
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Peripheral loader requesting for dma allocation could have regions which
are either carveout or cma region. In case of a carveout which could be
large area, the allocation could fail due to constraints of vmalloc
space.
To avoid allocation failure, set the dma attribute to NO_KERNEL_MAPPING
for all requested allocations.
When NO_KERNEL_MAPPING is set as an attribute, dma allocation for
carveout will return a dummy allocated address and for a cma region a
valid address will be returned, but the kernel mapping for that address
will not exist.
When peripheral loader requires the firmware data to be copied or the
address region to be zeroed-out, it will perform:
map_fw_mem will invoke dma_remap api which will take care of
- ioremap the address for carveout and provide a valid virtual
address for a requested size.
- remap the address, update the kernel mapping for cma regions
and provide a valid virtual address for a requested size.
unmap_fw_mem will invoke dma_unremap api will take care of
- iounmap the address for carveout regions for a requested size.
- remove the kernel mapping for requested size.
Pass the buffer size from firmware driver to peripheral loader for
dma_unremap.
Change-Id: Ic1feecbd604008da62ef7a84b07ab8cad2baee94
Signed-off-by: Taniya Das <tdas@codeaurora.org>
After getting an allocation from dma_alloc_coherent, there
may be cases where it is neccessary to remap the handle
into the CPU's address space (e.g. no CPU side mapping was
requested at allocation time but now one is needed). Add
APIs to bring a handle into the CPU address space again.
Change-Id: Ie92196968c545880f5b9f958ae6a20623ef99bfd
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
CPU hotplug callback registration takes the locks cpu_hotplug
and cpu_add_remove_lock in one order whereas the hotplug
procedure takes the same locks in the opposite order. Patch
series address a race condition when registering these callbacks
and prevents an ABBA deadlock. See LKML[0].
The fix is split into two main parts:
1- Add support for cpu_notifier_register_begin and
cpu_notifier_register_done()
2- Update driver-specific cpu hotplug call back registration
to use newly added APIs in 1 and drop get/put_online_cpus()
[0]: https://lkml.org/lkml/2014/2/14/59
* (13 commits):
cpu: fix section mismatch warnings with __hotcpu_register
net/core/flow.c: Fix CPU hotplug callback registration
mm, zswap: Fix CPU hotplug callback registration
mm, vmstat: Fix CPU hotplug callback registration
profile: Fix CPU hotplug callback registration
trace, ring-buffer: Fix CPU hotplug callback registration
drivers/base/topology.c: Fix CPU hotplug callback registration
arm64, debug-monitors: Fix CPU hotplug callback registration
arm64, hw_breakpoint.c: Fix CPU hotplug callback registration
arm, hw-breakpoint: Fix CPU hotplug callback registration
CPU hotplug, perf: Fix CPU hotplug callback registration
Doc/cpu-hotplug: Specify race-free way to register CPU hotplug callbacks
CPU hotplug: Provide lockless versions of callback registration functions
Change-Id: I875178564d7eb77bc2acf1fceeacb03bf64ffb2c
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>
Subsystems that want to register CPU hotplug callbacks, as well as perform
initialization for the CPUs that are already online, often do it as shown
below:
get_online_cpus();
for_each_online_cpu(cpu)
init_cpu(cpu);
register_cpu_notifier(&foobar_cpu_notifier);
put_online_cpus();
This is wrong, since it is prone to ABBA deadlocks involving the
cpu_add_remove_lock and the cpu_hotplug.lock (when running concurrently
with CPU hotplug operations).
Instead, the correct and race-free way of performing the callback
registration is:
cpu_notifier_register_begin();
for_each_online_cpu(cpu)
init_cpu(cpu);
/* Note the use of the double underscored version of the API */
__register_cpu_notifier(&foobar_cpu_notifier);
cpu_notifier_register_done();
Fix the topology code by using this latter form of callback registration.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Git-commit: e12b711196a158a475350ee67876a1e9e2601661
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>
DMA clients such as PIL would often allocate large
contiguous physical memory through dma-removed interface
for carve-outs. It may not be possible to map these large
allocations due to insufficient vmalloc space.
Hence provide provision to map the allocated pages only
if mapping or zeroing is explicitly requested for.
Change-Id: I1bfea1223e9ba9819b7768e01d5910690ea0f281
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
commit 58b116bce13612e5aa6fcd49ecbd4cf8bb59e835 upstream.
When the kernel is built with CONFIG_PREEMPT it is possible to reach a state
when all modules loaded but some driver still stuck in the deferred list
and there is a need for external event to kick the deferred queue to probe
these drivers.
The issue has been observed on embedded systems with CONFIG_PREEMPT enabled,
audio support built as modules and using nfsroot for root filesystem.
The following log fragment shows such sequence when all audio modules
were loaded but the sound card is not present since the machine driver has
failed to probe due to missing dependency during it's probe.
The board is am335x-evmsk (McASP<->tlv320aic3106 codec) with davinci-evm
machine driver:
...
[ 12.615118] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: ENTER
[ 12.719969] davinci_evm sound.3: davinci_evm_probe: ENTER
[ 12.725753] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card
[ 12.753846] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component
[ 12.922051] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component DONE
[ 12.950839] davinci_evm sound.3: ASoC: platform (null) not registered
[ 12.957898] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card DONE (-517)
[ 13.099026] davinci-mcasp 4803c000.mcasp: Kicking the deferred list
[ 13.177838] davinci-mcasp 4803c000.mcasp: really_probe: probe_count = 2
[ 13.194130] davinci_evm sound.3: snd_soc_register_card failed (-517)
[ 13.346755] davinci_mcasp_driver_init: LEAVE
[ 13.377446] platform sound.3: Driver davinci_evm requests probe deferral
[ 13.592527] platform sound.3: really_probe: probe_count = 0
In the log the machine driver enters it's probe at 12.719969 (this point it
has been removed from the deferred lists). McASP driver already executing
it's probing (since 12.615118).
The machine driver tries to construct the sound card (12.950839) but did
not found one of the components so it fails. After this McASP driver
registers all the ASoC components (the machine driver still in it's probe
function after it failed to construct the card) and the deferred work is
prepared at 13.099026 (note that this time the machine driver is not in the
lists so it is not going to be handled when the work is executing).
Lastly the machine driver exit from it's probe and the core places it to
the deferred list but there will be no other driver going to load and the
deferred queue is not going to be kicked again - till we have external event
like connecting USB stick, etc.
The proposed solution is to try the deferred queue once more when the last
driver is asking for deferring and we had drivers loaded while this last
driver was probing.
This way we can avoid drivers stuck in the deferred queue.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 53974e06603977f348ed978d75c426b0532daa67 upstream.
The topology_##name() macro does not use its argument when CONFIG_SMP is not
set, as it ultimately calls the cpu_data() macro.
So we avoid maintaining a possibly unused `cpu' variable, to avoid the
following compilation warning:
drivers/base/topology.c: In function ‘show_physical_package_id’:
drivers/base/topology.c:103:118: warning: unused variable ‘cpu’ [-Wunused-variable]
define_id_show_func(physical_package_id);
drivers/base/topology.c: In function ‘show_core_id’:
drivers/base/topology.c:106:106: warning: unused variable ‘cpu’ [-Wunused-variable]
define_id_show_func(core_id);
This can be seen with e.g. x86 defconfig and CONFIG_SMP not set.
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The DMA framework currently zeros all buffers because it (righfully so)
assumes that drivers will soon need to pass the memory to a device.
Some devices/use case may not require zeroed memory and there can
be an increase in performance if we skip the zeroing. Use the
DMA_ATTR_SKIP_ZEROING attr to allow skipping of DMA zeroing.
Change-Id: Ie7a8ae547834c29a6a4f327095e099c53526f3f7
Signed-off-by: Taniya Das <tdas@codeaurora.org>
QoS add requests uses a handle to the priority list that is used
internally to save the request, but this does not extend well. Also,
dev_pm_qos structure definition seems to use a list object directly.
The 'derivative' relationship seems to be broken.
Use pm_qos_request objects instead of passing around the protected
priority list object.
Change-Id: Ie4c9c22dd4ea13265fe01f080ba68cf77d9d484d
Signed-off-by: Praveen Chidambaram <pchidamb@codeaurora.org>
When the kernel is built with CONFIG_PREEMPT it is possible to reach a state
when all modules loaded but some driver still stuck in the deferred list
and there is a need for external event to kick the deferred queue to probe
these drivers.
The issue has been observed on embedded systems with CONFIG_PREEMPT enabled,
audio support built as modules and using nfsroot for root filesystem.
The following log fragment shows such sequence when all audio modules
were loaded but the sound card is not present since the machine driver has
failed to probe due to missing dependency during it's probe.
The board is am335x-evmsk (McASP<->tlv320aic3106 codec) with davinci-evm
machine driver:
...
[ 12.615118] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: ENTER
[ 12.719969] davinci_evm sound.3: davinci_evm_probe: ENTER
[ 12.725753] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card
[ 12.753846] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component
[ 12.922051] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component DONE
[ 12.950839] davinci_evm sound.3: ASoC: platform (null) not registered
[ 12.957898] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card DONE (-517)
[ 13.099026] davinci-mcasp 4803c000.mcasp: Kicking the deferred list
[ 13.177838] davinci-mcasp 4803c000.mcasp: really_probe: probe_count = 2
[ 13.194130] davinci_evm sound.3: snd_soc_register_card failed (-517)
[ 13.346755] davinci_mcasp_driver_init: LEAVE
[ 13.377446] platform sound.3: Driver davinci_evm requests probe deferral
[ 13.592527] platform sound.3: really_probe: probe_count = 0
In the log the machine driver enters it's probe at 12.719969 (this point it
has been removed from the deferred lists). McASP driver already executing
it's probing (since 12.615118).
The machine driver tries to construct the sound card (12.950839) but did
not found one of the components so it fails. After this McASP driver
registers all the ASoC components (the machine driver still in it's probe
function after it failed to construct the card) and the deferred work is
prepared at 13.099026 (note that this time the machine driver is not in the
lists so it is not going to be handled when the work is executing).
Lastly the machine driver exit from it's probe and the core places it to
the deferred list but there will be no other driver going to load and the
deferred queue is not going to be kicked again - till we have external event
like connecting USB stick, etc.
The proposed solution is to try the deferred queue once more when the last
driver is asking for deferring and we had drivers loaded while this last
driver was probing.
This way we can avoid drivers stuck in the deferred queue.
Change-Id: If6ad9634d4731a19bdc19cc6f8730d8f16403b00
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Stable <stable@vger.kernel.org> # v3.4+
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: 58b116bce13612e5aa6fcd49ecbd4cf8bb59e835
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Devices without pm_ops are not required to be added in dpm list.
It also helps in improving suspend/resume latencies.
Change-Id: I19a85742fdb6f4d01363b69662ea6d7721a08b3a
Signed-off-by: Sravan Kumar Ambapuram <asravan@codeaurora.org>
Some callers of request_firmware_direct may need additional
context to be able to map firmware memory. Allow private data
to be passed in with request_firmware_direct, and send this
data along with the [unmap|map]_fw_mem callbacks.
Change-Id: I05a15eb46cc663a4476b784e30e80182a28e10c3
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>
dma-removed alloc hook tries to ioremap a carve-out in order
to memset it to 0s. Warn the user if it fails due to low
vmalloc space.
CRs-fixed: 652009
Change-Id: If8d1a220c8e604222a44c5bf5201fc2d03e370b8
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
If a free CMA region cannot be found because every one is busy,
an error needs to be propegated up by returning a zero pfn.
Ensure the pfn is actually zero when returning an error.
Change-Id: I0d5a66a25c4483bf0f219cec1d7009239518f27a
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Commit 42e668f cma: Delay non-placed memblocks until after all allocations
delayed calling memblock_alloc until later but didn't move the
fixup. Make sure to call the fixup after allocation of the
memblock.
Change-Id: I305c05f1b1e0b6aeb462746e91b30560ddf5b934
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
When CMA allocator gets error return from the page
allocator framework, except for the -EBUSY case, it
will bail out. Caller depends on the 'pfn' for
confirming allocation successful or not. Return 0
for those error case.
Change-Id: Ica4e04a9f9f18b1a29035ba2bae9deecfd68a5e8
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
CMA is now responsible for almost all memory reservation/removal.
Some regions are at fixed locations, some are placed dynamically.
We need to place all fixed regions first before trying to place
dynamic regions to avoid overlap. Additionally, allow an
architectural callback after all removals/fixed location has
happened to potentially update any relevant limits.
Change-Id: Iaaffe60445ef44d432f0d87875ce2b292b717cc7
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The lock that was locked was cma->lock not cma_mutex. Drop
the right one when breaking out of the loop.
Change-Id: I0a1831b23613c5220795fe2a63f9db7439268c3f
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The following commits have been reverted from this merge, as they are
known to introduce new bugs and are currently incompatible with our
audio implementation. Investigation of these commits is ongoing, and
they are expected to be brought in at a later time:
86e6de7 ALSA: compress: fix drain calls blocking other compress functions (v6)
16442d4 ALSA: compress: fix drain calls blocking other compress functions
This merge commit also includes a change in block, necessary for
compilation. Upstream has modified elevator_init_fn to prevent race
conditions, requring updates to row_init_queue and test_init_queue.
* commit 'v3.10.28': (1964 commits)
Linux 3.10.28
ARM: 7938/1: OMAP4/highbank: Flush L2 cache before disabling
drm/i915: Don't grab crtc mutexes in intel_modeset_gem_init()
serial: amba-pl011: use port lock to guard control register access
mm: Make {,set}page_address() static inline if WANT_PAGE_VIRTUAL
md/raid5: Fix possible confusion when multiple write errors occur.
md/raid10: fix two bugs in handling of known-bad-blocks.
md/raid10: fix bug when raid10 recovery fails to recover a block.
md: fix problem when adding device to read-only array with bitmap.
drm/i915: fix DDI PLLs HW state readout code
nilfs2: fix segctor bug that causes file system corruption
thp: fix copy_page_rep GPF by testing is_huge_zero_pmd once only
ftrace/x86: Load ftrace_ops in parameter not the variable holding it
SELinux: Fix possible NULL pointer dereference in selinux_inode_permission()
writeback: Fix data corruption on NFS
hwmon: (coretemp) Fix truncated name of alarm attributes
vfs: In d_path don't call d_dname on a mount point
staging: comedi: adl_pci9111: fix incorrect irq passed to request_irq()
staging: comedi: addi_apci_1032: fix subdevice type/flags bug
mm/memory-failure.c: recheck PageHuge() after hugetlb page migrate successfully
GFS2: Increase i_writecount during gfs2_setattr_chown
perf/x86/amd/ibs: Fix waking up from S3 for AMD family 10h
perf scripting perl: Fix build error on Fedora 12
ARM: 7815/1: kexec: offline non panic CPUs on Kdump panic
Linux 3.10.27
sched: Guarantee new group-entities always have weight
sched: Fix hrtimer_cancel()/rq->lock deadlock
sched: Fix cfs_bandwidth misuse of hrtimer_expires_remaining
sched: Fix race on toggling cfs_bandwidth_used
x86, fpu, amd: Clear exceptions in AMD FXSAVE workaround
netfilter: nf_nat: fix access to uninitialized buffer in IRC NAT helper
SCSI: sd: Reduce buffer size for vpd request
intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.
mac80211: move "bufferable MMPDU" check to fix AP mode scan
ACPI / Battery: Add a _BIX quirk for NEC LZ750/LS
ACPI / TPM: fix memory leak when walking ACPI namespace
mfd: rtsx_pcr: Disable interrupts before cancelling delayed works
clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks
clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg clock
clk: samsung: exynos4: Correct SRC_MFC register
clk: clk-divider: fix divisor > 255 bug
ahci: add PCI ID for Marvell 88SE9170 SATA controller
parisc: Ensure full cache coherency for kmap/kunmap
drm/nouveau/bios: make jump conditional
ARM: shmobile: mackerel: Fix coherent DMA mask
ARM: shmobile: armadillo: Fix coherent DMA mask
ARM: shmobile: kzm9g: Fix coherent DMA mask
ARM: dts: exynos5250: Fix MDMA0 clock number
ARM: fix "bad mode in ... handler" message for undefined instructions
ARM: fix footbridge clockevent device
net: Loosen constraints for recalculating checksum in skb_segment()
bridge: use spin_lock_bh() in br_multicast_set_hash_max
netpoll: Fix missing TXQ unlock and and OOPS.
net: llc: fix use after free in llc_ui_recvmsg
virtio-net: fix refill races during restore
virtio_net: don't leak memory or block when too many frags
virtio-net: make all RX paths handle errors consistently
virtio_net: fix error handling for mergeable buffers
vlan: Fix header ops passthru when doing TX VLAN offload.
net: rose: restore old recvmsg behavior
rds: prevent dereference of a NULL device
ipv6: always set the new created dst's from in ip6_rt_copy
net: fec: fix potential use after free
hamradio/yam: fix info leak in ioctl
drivers/net/hamradio: Integer overflow in hdlcdrv_ioctl()
net: inet_diag: zero out uninitialized idiag_{src,dst} fields
ip_gre: fix msg_name parsing for recvfrom/recvmsg
net: unix: allow bind to fail on mutex lock
ipv6: fix illegal mac_header comparison on 32bit
netvsc: don't flush peers notifying work during setting mtu
tg3: Initialize REG_BASE_ADDR at PCI config offset 120 to 0
net: unix: allow set_peek_off to fail
net: drop_monitor: fix the value of maxattr
ipv6: don't count addrconf generated routes against gc limit
packet: fix send path when running with proto == 0
virtio: delete napi structures from netdev before releasing memory
macvtap: signal truncated packets
tun: update file current position
macvtap: update file current position
macvtap: Do not double-count received packets
rds: prevent BUG_ON triggered on congestion update to loopback
net: do not pretend FRAGLIST support
IPv6: Fixed support for blackhole and prohibit routes
HID: Revert "Revert "HID: Fix logitech-dj: missing Unifying device issue""
gpio-rcar: R-Car GPIO IRQ share interrupt
clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast
irqchip: renesas-irqc: Fix irqc_probe error handling
Linux 3.10.26
sh: add EXPORT_SYMBOL(min_low_pfn) and EXPORT_SYMBOL(max_low_pfn) to sh_ksyms_32.c
ext4: fix bigalloc regression
arm64: Use Normal NonCacheable memory for writecombine
arm64: Do not flush the D-cache for anonymous pages
arm64: Avoid cache flushing in flush_dcache_page()
ARM: KVM: arch_timers: zero CNTVOFF upon return to host
ARM: hyp: initialize CNTVOFF to zero
clocksource: arch_timer: use virtual counters
arm64: Remove unused cpu_name ascii in arch/arm64/mm/proc.S
arm64: dts: Reserve the memory used for secondary CPU release address
arm64: check for number of arguments in syscall_get/set_arguments()
arm64: fix possible invalid FPSIMD initialization state
...
Change-Id: Ia0e5d71b536ab49ec3a1179d59238c05bdd03106
Signed-off-by: Ian Maund <imaund@codeaurora.org>
CMA locking is currently very coarse. The cma_mutex protects both
the bitmap and avoids concurrency with alloc_contig_range. There
are several situations which may result in a deadlock on the CMA
mutex currently, mostly involving AB/BA situations with alloc and
free. Fix this issue by protecting the bitmap with a mutex per CMA
region and use the existing mutex for protecting against concurrency
with alloc_contig_range.
Change-Id: I6863ba7ab7fae07c68fee23b0aa4c869244fe2a1
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Due to a bug in code logic, the default CMA region is
reserved when CONFIG_CMA_RESERVE_DEFAULT_AREA is NOT set
instead of when it is set. Fix this logic.
Change-Id: I476594c1e3745386741f2aba1b978a436b60c7a4
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The total number of CMA regions that can be created is statically
decided at compile time via a config option. Incoming memory map
changes increase the number of CMA regions significantly across
almost all targets. Rather than make every target set the CONFIG,
just increase the default number. The additional overhead is very
small.
Change-Id: I2f60ee56b43c256f3bfa4d1e3ab95a8f378568ab
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
CMA requires that regions be aligned to page block order or higher
to ensure migration types can be changed for whole regions. This
is not applicable if the memory is removed from the system completely.
Keep the alignment requirement at PAGE_SIZE if the memory is outside
the system allocator. Note that if there are alignment requirements
these can still be set up by manually aligning the base/size.
Change-Id: I316008095469492c150e8b69bb20b369579e3a36
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
CMA scans the flattened devicetree to reserve memory early. Check
for the status of a DT node to possibly skip initialization.
Change-Id: I58760ee5ff241a1ce3a93955b1e507d506f92162
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
A report was given of a deadlock situation on the cma_mutex:
mutex_lock(cma_mutex) (*2)
dma_release_from_contiguous
ion_secure_cma_free_chunk
ion_secure_cma_shrinker
shrink_slab
try_to_free_pages
migrate_pages
alloc_contig_range
mutex_lock(cma_mutex) (*1)
dma_alloc_from_contiguous
ion_alloc
We may need to free CMA allocations while a current CMA allocation is in
progress if CMA is freed from a shrinker. cma_mutex currently protects
two things: the bitmap indicating which pages are allocated/free and
serialization of isolation/migration calls on allocation. There is
no need to take the mutex on free calls though as the pages are
freed back into the system via the regular __free_page call. Move
the free_contig_range call outside the cma_mutex to break the
chain dependency. We can safely free the pages back into the system
before changing the bitmap without any risk of races.
Change-Id: I4989eb2891e502b08db8117a51bd86652e902778
CRs-Fixed: 619644
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The put_device(dev) at the bottom of the loop of device_shutdown
may result in the dev being cleaned up. In device_create_release,
the dev is kfreed.
However, device_shutdown attempts to use the dev pointer again after
put_device by referring to dev->parent.
Copy the parent pointer instead to avoid this condition.
This bug was found on Chromium OS's chromeos-3.8, which is based on v3.8.11.
See bug report : https://code.google.com/p/chromium/issues/detail?id=297842
This can easily be reproduced when shutting down with
hidraw devices that report battery condition.
Two examples are the HP Bluetooth Mouse X4000b and the Apple Magic Mouse.
For example, with the magic mouse :
The dev in question is "hidraw0"
dev->parent is "magicmouse"
In the course of the shutdown for this device, the input event cleanup calls
a put on hidraw0, decrementing its reference count.
When we finally get to put_device(dev) in device_shutdown, kobject_cleanup
is called and device_create_release does kfree(dev).
dev->parent is no longer valid, and we may crash in
put_device(dev->parent).
This change should be applied on any kernel with this change :
d1c6c030fc
Change-Id: Ib8c7dbce155558aa1087349130d5d1b58c15540f
Cc: stable@vger.kernel.org
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: f123db8e9d6c84c863cb3c44d17e61995dc984fb
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>
Drivers that are registered at an initcall level may have to
wait until late_init before the probe deferral mechanism can
retry their probe functions. It is possible that their
dependencies were resolved much earlier, in some cases even
before the next initcall level. Invoke one probe retry cycle
at every _sync initcall level, allowing these drivers to be
probed earlier.
A real world example of how this change helps follows. On the
MSM8974, there are 3 devices that need to be probed in order
for the display driver to be able to probe and bring up a
display panel. These are the gdsc_mdss (a regulator device), the
mmsscc-dsi device (a display clock controller), and the
dsipllcc device (a PLL controller). Here is a kernel log that
shows these devices probing in the wrong order:
[0.503253] mmsscc-dsi fd8c0000.qcom,mmsscc-dsi: Failed to get pixel source. -- [1]
[0.505210] dsipllcc fd8c0000.qcom,dsipllcc: Failed to get MDSS GDSC -- [2]
[0.523264] gdsc_mdss: no parameters -- [3]
Only gdsc_mdss successfully probed at 0.52 seconds. Now without
_this_ change, the current probe deferral mechanism results in
the devices probing at or after late_init:
[9.196006] dsipllcc fd8c0000.qcom,dsipllcc: Registered DSI PLL clocks. -- [2]
[9.357440] mmsscc-dsi fd8c0000.qcom,mmsscc-dsi: Registered MMSSCC DSI clocks. -- [1]
Thus the display can only be brought up after 9.35 seconds. However,
by allowing a probe retry after each initcall level, this number
reduces drastically:
[0.608252] dsipllcc fd8c0000.qcom,dsipllcc: Registered DSI PLL clocks. -- [2]
[0.613758] mmsscc-dsi fd8c0000.qcom,mmsscc-dsi: Registered MMSSCC DSI clocks.-- [1]
Thus the display can be brought up just after 0.61 seconds.
Change-Id: I83d8ac89e591e89e27934c0402449437b61b2124
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>
In addition to reserving memory from the system, there may
be uses where memory should be completely removed from control
of the linux page allocator. Add the appropriate information to
be able to remove the memory.
Change-Id: Ia2e959e0858fb240ab5c0deee49b0d6e4aecfc00
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The current set of dma_ops only supports memory that's actually
backed by struct pages. In the general case this is what we want,
but there are some use cases where it's useful to allocate
removed memory through dma APIs (through CMA region for example).
Add a limited set of dma operations to accomplish this. This is
only the allocate/free version of the APIs which is all that is
necessary for these purposes.
Change-Id: I518e6965d63f3c95697f59c089b95219f8e6d96e
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Currently, devices are associated with CMA regions via phandle to the
CMA region. The phandle name 'linux,contiguous-region' is the same as
that which is used to designate a CMA region. This can lead to issues
of trying to treat a device only using a CMA region as an actual CMA
region. Rather than continuing to rely on this handle and the depth
to differentiate CMA regions, just create separate DT binding
linux,reserve-contiguous-region to indicate that the node is
an actual CMA node for reserving rather than a client referencing
via phandle.
Change-Id: I88b2d86054525b0569efc424da87974509ce9b25
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The CMA code is generic enough that it can be expanded out to track
regions of memory that aren't officially managed by the regular page
allocator. This memory can't be referenced via struct page. Change the
CMA apis to track using pfn for allocation/free instead. The pfn can
be converted to a struct page as needed elsewhere.
Change-Id: I5ac3fa5e2169b2101a738177f1654faa401f7604
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Since Operating Performance Points (OPP) functions are specific
to device specific power management, be specific and rename opp.h
to pm_opp.h
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Git-commit: e4db1c7439b31993a4886b273bb9235a8eea82bf
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[junjiew@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Junjie Wu <junjiew@codeaurora.org>
Since Operating Performance Points (OPP) functions are specific to
device specific power management, be specific and rename opp_*
accessors in OPP library with dev_pm_opp_* equivalent.
Affected functions are:
opp_get_voltage
opp_get_freq
opp_get_opp_count
opp_find_freq_exact
opp_find_freq_floor
opp_find_freq_ceil
opp_add
opp_enable
opp_disable
opp_get_notifier
opp_init_cpufreq_table
opp_free_cpufreq_table
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Git-commit: 5d4879cda67b09f086807821cf594ee079d6dfbe
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[junjiew@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Junjie Wu <junjiew@codeaurora.org>
The "index" field of struct cpufreq_frequency_table was never an
index and isn't used at all by the cpufreq core. It only is useful
for cpufreq drivers for their internal purposes.
Many people nowadays blindly set it in ascending order with the
assumption that the core will use it, which is a mistake.
Rename it to "driver_data" as that's what its purpose is. All of its
users are updated accordingly.
[rjw: Changelog]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Git-commit: 5070158804b5339c71809f5e673cea1cfacd804d
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[junjiew@codeaurora.org: update non-upstream files]
Signed-off-by: Junjie Wu <junjiew@codeaurora.org>
The value returned by of_get_flat_dt_prop is a pointer. Use
be32_to_cpup which properly type checks against pointers.
Change-Id: Ie75ac6776bd26537a28729902bd918e710eda512
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
commit baab52ded242c35a2290e1fa82e0cc147d0d8c1a upstream.
Commit fa180eb448 (PM / Runtime: Idle devices asynchronously after
probe|release) modified __device_release_driver() to call
pm_runtime_put(dev) instead of pm_runtime_put_sync(dev) before
detaching the driver from the device. However, that was a mistake,
because pm_runtime_put(dev) causes rpm_idle() to be queued up and
the driver may be gone already when that function is executed.
That breaks the assumptions the drivers have the right to make
about the core's behavior on the basis of the existing documentation
and actually causes problems to happen, so revert that part of
commit fa180eb448 and restore the previous behavior of
__device_release_driver().
Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fixes: fa180eb448 (PM / Runtime: Idle devices asynchronously after probe|release)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f123db8e9d6c84c863cb3c44d17e61995dc984fb upstream.
The put_device(dev) at the bottom of the loop of device_shutdown
may result in the dev being cleaned up. In device_create_release,
the dev is kfreed.
However, device_shutdown attempts to use the dev pointer again after
put_device by referring to dev->parent.
Copy the parent pointer instead to avoid this condition.
This bug was found on Chromium OS's chromeos-3.8, which is based on v3.8.11.
See bug report : https://code.google.com/p/chromium/issues/detail?id=297842
This can easily be reproduced when shutting down with
hidraw devices that report battery condition.
Two examples are the HP Bluetooth Mouse X4000b and the Apple Magic Mouse.
For example, with the magic mouse :
The dev in question is "hidraw0"
dev->parent is "magicmouse"
In the course of the shutdown for this device, the input event cleanup calls
a put on hidraw0, decrementing its reference count.
When we finally get to put_device(dev) in device_shutdown, kobject_cleanup
is called and device_create_release does kfree(dev).
dev->parent is no longer valid, and we may crash in
put_device(dev->parent).
This change should be applied on any kernel with this change :
d1c6c030fc
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Physical addresses can be greater than an unsigned long on
systems with LPAE. Print these addresses properly with %pa
Change-Id: If9f1572bb9dadcb14f2834647a4421509e90096a
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Currently, when dynamically placing regions CMA will allow the memory
to be placed anywhere, including highmem. Due to system restrictions,
regions may need to be placed in a smaller range. Add support to
devicetree to allow these regions to have an upper bound on where they
will be placed.
Change-Id: Ib4ae194cbb6389e1091e7e04cfd331e9ab67ad05
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Currently, the CMA flat device tree code does not take into account
targets that may specify size_cells and address_cells > 1. This will
lead to unsuccessful parsing. Add support for taking into account
nodes that may specify size_cells and address_cells explicitly.
Change-Id: I9ea63b8c34e903b186c29ec6555dd7a5c317c602
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
commit 4e67fb5f5e336250db944921e3c68057d6203034 upstream.
Avoid overlapping register regions by making the initial blklen of a new
node 1. If a register write occurs to a yet uncached register, that is
lower than but near an existing node's base_reg, a new node is created
and it's blklen is set to an arbitrary value (sizeof(*rbnode)). That may
cause this node to overlap with another node. Those nodes should be merged,
but this merge doesn't happen yet, so this patch at least makes the initial
blklen small enough to avoid hitting the wrong node, which may otherwise
lead to severe breakage.
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Zhouping Liu <zliu@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When setting CMA up at a fixed region, it is possible for the address
to be shared between multiple subsystems. If the address is placed
dynamically, there is no mechanism to be able to get the start address
of the region. Drivers may wish to do keep track of allocations relative
to the start address so add an API to get the start region of a CMA
address.
Change-Id: If0730c64496c876d3143064d767b22b984c6dc84
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
CMA provides good utilization of memory but for some use cases, the
allocation time is too costly. Add a Kconfig option to allow the
default region to be permanently set aside for contiguous use cases.
Change-Id: I1eef508d37cf6ae3b7b7a652fc59391b186fc122
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Despite all the performance optimizations, some clients are
still unable to use CMA because of the allocation latency.
Rather than make those clients use a separate set of APIs,
extend the CMA code to allow clients to keep the memory out of
the buddy allocator. Since the pages never actually go to the
buddy allocator, allocation and freeing is only based on the bitmap
allocator to find the appropriate region.
Change-Id: Ia31bb1212fd7b19280361128453c8d25369ce592
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
This reverts commit 74ab7c1e198200036a84acd88c28ee9a441e5167.
Appropriate calls have now been made to flush outstanding highmem
mappings. Place the CMA region in highmem again.
Change-Id: I66baa055ed31074f2f21c77d46e3a5fc906e9683
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
This reverts commit 6308fd5399ae93e35ac381825a279996264a5f78.
As an optimization for kmap/kunmap, the page table entries may
not be completely removed on kunmap. This causes a problem
when memory is XPU protected and the CPU speculates into the
virtual address map. There are functions to remove zero
count entries for kmap calls but kmap_atomic is handled separately.
Remove CMA from highmem until an effective strategy for removing
these entries is found.
Change-Id: Ic60a34401244182442fc6d11dd0cdf986be7a335
CRs-Fixed: 467508
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
MEMBLOCK_ALLOC_ANYWHERE allocates blocks from anywhere,
including highmem. Use this flag to allow CMA regions to
be placed in highmem as opposed to lowmem.
Change-Id: Id5fa36a96e46d60f0e898d764a1f4c8a0a37f5f8
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
CMA currently restricts region names to 'region@x'. Devicetree
does not support the same value of x to be used multiple times.
This means that the devicetree cannot have multiple regions
be dynamically placed (x = 0). Remove the naming restriction
for CMA regions.
Change-Id: If647f8d7e6323497952431ae5b8cae05ba17af50
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Currently, the devicetree lookup code assumes that all
CMA regions are present at a fixed address and uses the
fixed address for associating CMA regions to devices.
This presents a problem for dynamically assigning regions.
Device names get mangled/changed between flattened and
populated devicetree so relying on that is unworkable.
Add a separate name binding to allow lookup later between
devices.
Change-Id: Iaacd9888ea708d7293f1120e2b8c473c5c601f3d
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
The correct binding for regions is linux,contiguous-regions.
Fix it.
Change-Id: I4bbb4cd3e880c75d917b5a5a081861b3197adfa3
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Several of the CMA data structures are used after initialization
remove the __init annotations from them.
Change-Id: Iff48ed88eef7b8fffdfba4b868cc69ded3c6df42
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Add device tree support for contiguous memory regions defined in device
tree. Initialization is done in 2 steps. First, the contiguous memory is
reserved, what happens very early, when only flattened device tree is
available. Then on device initialization the corresponding cma regions are
assigned to device structures.
Change-Id: Ic242499b64875ee57a346d7cbc8a34ebd64e68d2
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
This patch cleans the initialization of dma contiguous framework. The
all-in-one dma_declare_contiguous() function is now separated into
dma_contiguous_reserve_area() which only steals the the memory from
memblock allocator and dma_contiguous_add_device() function, which
assigns given device to the specified reserved memory area. This improves
the flexibility in defining contiguous memory areas and assigning device
to them, because now it is possible to assign more than one device to
the given contiguous memory area. This split in initialization is also
required for upcoming device tree support.
Change-Id: Ibddd1c9abc6550ee62b09645e7a3355256838bfe
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Add ftrace events for ion allocations to make it easier to profile
their performance.
Change-Id: I9f32e076cd50d7d3a145353dfcef74f0f6cdf8a0
Signed-off-by: Liam Mark <lmark@codeaurora.org>
Ian Maund
Phani Kumar Uppalapati
Ruchi Kandoi
Maxime Bizon
Takashi Iwai
Linux Build Service Account
Deepak Katragadda
Markus Pargmann
Susheel Khiani
Alex Williamson
Srivatsa Vaddagiri
Chintan Pandya
Azhar Shaikh
Yijing Wang
Kees Cook
Pankaj Dubey
Xiubo Li
Neeti Desai
Mark Brown
zhang jun
Ard Biesheuvel
Sudeep KarkadaNagesha
Rob Herring
Peter Zijlstra
Vikram Mulukutla
Eli Billauer
Srinivas Pandruvada
Manish Badarkhe
Kevin Hilman
Joe Perches
Taniya Das
Laura Abbott
Osvaldo Banuelos
Srivatsa S. Bhat
Shiraz Hashim
Grant Likely
Vincent Stehlé
Praveen Chidambaram
Sravan Kumar Ambapuram
Benson Leung
Nishanth Menon
Viresh Kumar
Rafael J. Wysocki
David Jander
Russ Anderson
Marek Szyprowski
Liam Mark