Commit Graph

480 Commits

Author SHA1 Message Date
Ard Biesheuvel 7010a322f1 arm64: switch to relative exception tables
Instead of using absolute addresses for both the exception location
and the fixup, use offsets relative to the exception table entry values.
Not only does this cut the size of the exception table in half, it is
also a prerequisite for KASLR, since absolute exception table entries
are subject to dynamic relocation, which is incompatible with the sorting
of the exception table that occurs at build time.

This patch also introduces the _ASM_EXTABLE preprocessor macro (which
exists on x86 as well) and its _asm_extable assembly counterpart, as
shorthands to emit exception table entries.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Joe Maples <joe@frap129.org>
2019-08-26 14:20:51 +02:00
voidanix b771f33460 Merge remote-tracking branch 'android-linux-stable/android-msm-bullhead-3.10' into lineage-16.0 2019-07-11 15:28:52 +02:00
Ethan Chen bb444cc45b uapi: Define __BITS_PER_LONG based on compiler target
* We may compile 32-bit ARM code against these kernel headers in many
  situations, so provide a compiler-defined method of obtaining the width
  of long.

Change-Id: Iac5e48200d70f1258ab3caca1a8f1eb6e8f7f2d3
2018-11-11 23:38:21 +01:00
Nathan Chancellor 8ca93b4c05 This is the 3.10.106 stable release
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Merge 3.10.106 into android-msm-bullhead-3.10-oreo-m5

Changes in 3.10.106: (252 commits)
        packet: fix race condition in packet_set_ring
        crypto: crypto_memneq - add equality testing of memory regions w/o timing leaks
        EVM: Use crypto_memneq() for digest comparisons
        libceph: don't set weight to IN when OSD is destroyed
        KVM: x86: fix emulation of "MOV SS, null selector"
        KVM: x86: Introduce segmented_write_std
        posix_acl: Clear SGID bit when setting file permissions
        tmpfs: clear S_ISGID when setting posix ACLs
        fbdev: color map copying bounds checking
        selinux: fix off-by-one in setprocattr
        tcp: avoid infinite loop in tcp_splice_read()
        xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window
        xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder
        KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings
        KEYS: Change the name of the dead type to ".dead" to prevent user access
        KEYS: fix keyctl_set_reqkey_keyring() to not leak thread keyrings
        ext4: fix data exposure after a crash
        locking/rtmutex: Prevent dequeue vs. unlock race
        m68k: Fix ndelay() macro
        hotplug: Make register and unregister notifier API symmetric
        Btrfs: fix tree search logic when replaying directory entry deletes
        USB: serial: kl5kusb105: fix open error path
        block_dev: don't test bdev->bd_contains when it is not stable
        crypto: caam - fix AEAD givenc descriptors
        ext4: fix mballoc breakage with 64k block size
        ext4: fix stack memory corruption with 64k block size
        ext4: reject inodes with negative size
        ext4: return -ENOMEM instead of success
        f2fs: set ->owner for debugfs status file's file_operations
        block: protect iterate_bdevs() against concurrent close
        scsi: zfcp: fix use-after-"free" in FC ingress path after TMF
        scsi: zfcp: do not trace pure benign residual HBA responses at default level
        scsi: zfcp: fix rport unblock race with LUN recovery
        ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it
        IB/mad: Fix an array index check
        IB/multicast: Check ib_find_pkey() return value
        powerpc: Convert cmp to cmpd in idle enter sequence
        usb: gadget: composite: Test get_alt() presence instead of set_alt()
        USB: serial: omninet: fix NULL-derefs at open and disconnect
        USB: serial: quatech2: fix sleep-while-atomic in close
        USB: serial: pl2303: fix NULL-deref at open
        USB: serial: keyspan_pda: verify endpoints at probe
        USB: serial: spcp8x5: fix NULL-deref at open
        USB: serial: io_ti: fix NULL-deref at open
        USB: serial: io_ti: fix another NULL-deref at open
        USB: serial: iuu_phoenix: fix NULL-deref at open
        USB: serial: garmin_gps: fix memory leak on failed URB submit
        USB: serial: ti_usb_3410_5052: fix NULL-deref at open
        USB: serial: io_edgeport: fix NULL-deref at open
        USB: serial: oti6858: fix NULL-deref at open
        USB: serial: cyberjack: fix NULL-deref at open
        USB: serial: kobil_sct: fix NULL-deref in write
        USB: serial: mos7840: fix NULL-deref at open
        USB: serial: mos7720: fix NULL-deref at open
        USB: serial: mos7720: fix use-after-free on probe errors
        USB: serial: mos7720: fix parport use-after-free on probe errors
        USB: serial: mos7720: fix parallel probe
        usb: xhci-mem: use passed in GFP flags instead of GFP_KERNEL
        usb: musb: Fix trying to free already-free IRQ 4
        ALSA: usb-audio: Fix bogus error return in snd_usb_create_stream()
        USB: serial: kl5kusb105: abort on open exception path
        staging: iio: ad7606: fix improper setting of oversampling pins
        usb: dwc3: gadget: always unmap EP0 requests
        cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
        hwmon: (ds620) Fix overflows seen when writing temperature limits
        clk: clk-wm831x: fix a logic error
        iommu/amd: Fix the left value check of cmd buffer
        scsi: mvsas: fix command_active typo
        target/iscsi: Fix double free in lio_target_tiqn_addtpg()
        mmc: mmc_test: Uninitialized return value
        powerpc/pci/rpadlpar: Fix device reference leaks
        ser_gigaset: return -ENOMEM on error instead of success
        net, sched: fix soft lockup in tc_classify
        net: stmmac: Fix race between stmmac_drv_probe and stmmac_open
        gro: Enter slow-path if there is no tailroom
        gro: use min_t() in skb_gro_reset_offset()
        gro: Disable frag0 optimization on IPv6 ext headers
        powerpc: Fix build warning on 32-bit PPC
        Input: i8042 - add Pegatron touchpad to noloop table
        mm/hugetlb.c: fix reservation race when freeing surplus pages
        USB: serial: kl5kusb105: fix line-state error handling
        USB: serial: ch341: fix initial modem-control state
        USB: serial: ch341: fix open error handling
        USB: serial: ch341: fix control-message error handling
        USB: serial: ch341: fix open and resume after B0
        USB: serial: ch341: fix resume after reset
        USB: serial: ch341: fix modem-control and B0 handling
        x86/cpu: Fix bootup crashes by sanitizing the argument of the 'clearcpuid=' command-line option
        NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success.
        powerpc/ibmebus: Fix further device reference leaks
        powerpc/ibmebus: Fix device reference leaks in sysfs interface
        IB/mlx4: Set traffic class in AH
        IB/mlx4: Fix port query for 56Gb Ethernet links
        perf scripting: Avoid leaking the scripting_context variable
        ARM: dts: imx31: fix clock control module interrupts description
        svcrpc: don't leak contexts on PROC_DESTROY
        mmc: mxs-mmc: Fix additional cycles after transmission stop
        mtd: nand: xway: disable module support
        ubifs: Fix journal replay wrt. xattr nodes
        arm64/ptrace: Preserve previous registers for short regset write
        arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
        arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
        ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation
        ite-cir: initialize use_demodulator before using it
        fuse: do not use iocb after it may have been freed
        crypto: caam - fix non-hmac hashes
        drm/i915: Don't leak edid in intel_crt_detect_ddc()
        s5k4ecgx: select CRC32 helper
        platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
        net: fix harmonize_features() vs NETIF_F_HIGHDMA
        tcp: initialize max window for a new fastopen socket
        svcrpc: fix oops in absence of krb5 module
        ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
        mac80211: Fix adding of mesh vendor IEs
        scsi: zfcp: fix use-after-free by not tracing WKA port open/close on failed send
        drm/i915: fix use-after-free in page_flip_completed()
        net: use a work queue to defer net_disable_timestamp() work
        ipv4: keep skb->dst around in presence of IP options
        netlabel: out of bound access in cipso_v4_validate()
        ip6_gre: fix ip6gre_err() invalid reads
        ping: fix a null pointer dereference
        l2tp: do not use udp_ioctl()
        packet: fix races in fanout_add()
        packet: Do not call fanout_release from atomic contexts
        net: socket: fix recvmmsg not returning error from sock_error
        USB: serial: mos7840: fix another NULL-deref at open
        USB: serial: ftdi_sio: fix modem-status error handling
        USB: serial: ftdi_sio: fix extreme low-latency setting
        USB: serial: ftdi_sio: fix line-status over-reporting
        USB: serial: spcp8x5: fix modem-status handling
        USB: serial: opticon: fix CTS retrieval at open
        USB: serial: ark3116: fix register-accessor error handling
        x86/platform/goldfish: Prevent unconditional loading
        goldfish: Sanitize the broken interrupt handler
        ocfs2: do not write error flag to user structure we cannot copy from/to
        mfd: pm8921: Potential NULL dereference in pm8921_remove()
        drm/nv50/disp: min/max are reversed in nv50_crtc_gamma_set()
        net: 6lowpan: fix lowpan_header_create non-compression memcpy call
        vti4: Don't count header length twice.
        net/sched: em_meta: Fix 'meta vlan' to correctly recognize zero VID frames
        MIPS: OCTEON: Fix copy_from_user fault handling for large buffers
        MIPS: Clear ISA bit correctly in get_frame_info()
        MIPS: Prevent unaligned accesses during stack unwinding
        MIPS: Fix get_frame_info() handling of microMIPS function size
        MIPS: Fix is_jump_ins() handling of 16b microMIPS instructions
        MIPS: Calculate microMIPS ra properly when unwinding the stack
        MIPS: Handle microMIPS jumps in the same way as MIPS32/MIPS64 jumps
        uvcvideo: Fix a wrong macro
        scsi: aacraid: Reorder Adapter status check
        ath9k: use correct OTP register offsets for the AR9340 and AR9550
        fuse: add missing FR_FORCE
        RDMA/core: Fix incorrect structure packing for booleans
        NFSv4: fix getacl head length estimation
        s390/qdio: clear DSCI prior to scanning multiple input queues
        IB/ipoib: Fix deadlock between rmmod and set_mode
        ktest: Fix child exit code processing
        nlm: Ensure callback code also checks that the files match
        dm: flush queued bios when process blocks to avoid deadlock
        USB: serial: digi_acceleport: fix OOB data sanity check
        USB: serial: digi_acceleport: fix OOB-event processing
        MIPS: ip27: Disable qlge driver in defconfig
        tracing: Add #undef to fix compile error
        USB: serial: safe_serial: fix information leak in completion handler
        USB: serial: omninet: fix reference leaks at open
        USB: iowarrior: fix NULL-deref at probe
        USB: iowarrior: fix NULL-deref in write
        USB: serial: io_ti: fix NULL-deref in interrupt callback
        USB: serial: io_ti: fix information leak in completion handler
        vxlan: correctly validate VXLAN ID against VXLAN_N_VID
        ipv4: mask tos for input route
        locking/static_keys: Add static_key_{en,dis}able() helpers
        net: net_enable_timestamp() can be called from irq contexts
        dccp/tcp: fix routing redirect race
        net sched actions: decrement module reference count after table flush.
        perf/core: Fix event inheritance on fork()
        isdn/gigaset: fix NULL-deref at probe
        xen: do not re-use pirq number cached in pci device msi msg data
        net: properly release sk_frag.page
        net: unix: properly re-increment inflight counter of GC discarded candidates
        Input: ims-pcu - validate number of endpoints before using them
        Input: hanwang - validate number of endpoints before using them
        Input: yealink - validate number of endpoints before using them
        Input: cm109 - validate number of endpoints before using them
        USB: uss720: fix NULL-deref at probe
        USB: idmouse: fix NULL-deref at probe
        USB: wusbcore: fix NULL-deref at probe
        uwb: i1480-dfu: fix NULL-deref at probe
        uwb: hwa-rc: fix NULL-deref at probe
        mmc: ushc: fix NULL-deref at probe
        ext4: mark inode dirty after converting inline directory
        scsi: libsas: fix ata xfer length
        ALSA: ctxfi: Fallback DMA mask to 32bit
        ALSA: ctxfi: Fix the incorrect check of dma_set_mask() call
        ACPI / PNP: Avoid conflicting resource reservations
        ACPI / resources: free memory on error in add_region_before()
        ACPI / PNP: Reserve ACPI resources at the fs_initcall_sync stage
        USB: OHCI: Fix race between ED unlink and URB submission
        i2c: at91: manage unexpected RXRDY flag when starting a transfer
        ipv4: igmp: Allow removing groups from a removed interface
        ptrace: fix PTRACE_LISTEN race corrupting task->state
        ring-buffer: Fix return value check in test_ringbuffer()
        metag/usercopy: Fix alignment error checking
        metag/usercopy: Add early abort to copy_to_user
        metag/usercopy: Set flags before ADDZ
        metag/usercopy: Fix src fixup in from user rapf loops
        metag/usercopy: Add missing fixups
        s390/decompressor: fix initrd corruption caused by bss clear
        net/mlx4_en: Fix bad WQE issue
        net/mlx4_core: Fix racy CQ (Completion Queue) free
        char: Drop bogus dependency of DEVPORT on !M68K
        powerpc: Disable HFSCR[TM] if TM is not supported
        pegasus: Use heap buffers for all register access
        rtl8150: Use heap buffers for all register access
        tracing: Allocate the snapshot buffer before enabling probe
        ring-buffer: Have ring_buffer_iter_empty() return true when empty
        netfilter: arp_tables: fix invoking 32bit "iptable -P INPUT ACCEPT" failed in 64bit kernel
        net: phy: handle state correctly in phy_stop_machine
        l2tp: take reference on sessions being dumped
        MIPS: KGDB: Use kernel context for sleeping threads
        ARM: dts: imx31: move CCM device node to AIPS2 bus devices
        ARM: dts: imx31: fix AVIC base address
        tun: Fix TUN_PKT_STRIP setting
        Staging: vt6655-6: potential NULL dereference in hostap_disable_hostapd()
        net: sctp: rework multihoming retransmission path selection to rfc4960
        perf trace: Use the syscall raw_syscalls:sys_enter timestamp
        USB: usbtmc: add missing endpoint sanity check
        ping: implement proper locking
        USB: fix problems with duplicate endpoint addresses
        USB: dummy-hcd: fix bug in stop_activity (handle ep0)
        mm/init: fix zone boundary creation
        can: Fix kernel panic at security_sock_rcv_skb
        Drivers: hv: avoid vfree() on crash
        xc2028: avoid use after free
        xc2028: unlock on error in xc2028_set_config()
        xc2028: Fix use-after-free bug properly
        ipv6: fix ip6_tnl_parse_tlv_enc_lim()
        ipv6: pointer math error in ip6_tnl_parse_tlv_enc_lim()
        ipv6: fix the use of pcpu_tstats in ip6_tunnel
        sctp: avoid BUG_ON on sctp_wait_for_sndbuf
        sctp: deny peeloff operation on asocs with threads sleeping on it
        KVM: x86: clear bus pointer when destroyed
        kvm: exclude ioeventfd from counting kvm_io_range limit
        KVM: kvm_io_bus_unregister_dev() should never fail
        TTY: n_hdlc, fix lockdep false positive
        tty: n_hdlc: get rid of racy n_hdlc.tbuf
        ipv6: handle -EFAULT from skb_copy_bits
        fs: exec: apply CLOEXEC before changing dumpable task flags
        mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW for thp
        dccp/tcp: do not inherit mc_list from parent
        char: lp: fix possible integer overflow in lp_setup()
        dccp: fix freeing skb too early for IPV6_RECVPKTINFO
        Linux 3.10.106

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

Conflicts:
	drivers/mfd/pm8921-core.c
	include/linux/cpu.h
	kernel/cpu.c
	net/ipv4/inet_connection_sock.c
	net/ipv4/ping.c
2018-01-25 17:54:29 -07:00
Nathan Chancellor a626beca4c This is the 3.10.105 stable release
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Merge 3.10.105 into android-msm-bullhead-3.10-oreo-m5

Changes in 3.10.105: (315 commits)
        sched/core: Fix a race between try_to_wake_up() and a woken up task
        sched/core: Fix an SMP ordering race in try_to_wake_up() vs. schedule()
        crypto: algif_skcipher - Require setkey before accept(2)
        crypto: af_alg - Disallow bind/setkey/... after accept(2)
        crypto: af_alg - Add nokey compatibility path
        crypto: algif_skcipher - Add nokey compatibility path
        crypto: hash - Add crypto_ahash_has_setkey
        crypto: shash - Fix has_key setting
        crypto: algif_hash - Require setkey before accept(2)
        crypto: skcipher - Add crypto_skcipher_has_setkey
        crypto: algif_skcipher - Add key check exception for cipher_null
        crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
        crypto: algif_hash - Remove custom release parent function
        crypto: algif_skcipher - Remove custom release parent function
        crypto: af_alg - Forbid bind(2) when nokey child sockets are present
        crypto: algif_hash - Fix race condition in hash_check_key
        crypto: algif_skcipher - Fix race condition in skcipher_check_key
        crypto: algif_skcipher - Load TX SG list after waiting
        crypto: cryptd - initialize child shash_desc on import
        crypto: skcipher - Fix blkcipher walk OOM crash
        crypto: gcm - Fix IV buffer size in crypto_gcm_setkey
        MIPS: KVM: Fix unused variable build warning
        KVM: MIPS: Precalculate MMIO load resume PC
        KVM: MIPS: Drop other CPU ASIDs on guest MMU changes
        KVM: nVMX: postpone VMCS changes on MSR_IA32_APICBASE write
        KVM: MIPS: Make ERET handle ERL before EXL
        KVM: x86: fix wbinvd_dirty_mask use-after-free
        KVM: x86: fix missed SRCU usage in kvm_lapic_set_vapic_addr
        KVM: Disable irq while unregistering user notifier
        PM / devfreq: Fix incorrect type issue.
        ppp: defer netns reference release for ppp channel
        x86/mm/xen: Suppress hugetlbfs in PV guests
        xen: Add RING_COPY_REQUEST()
        xen-netback: don't use last request to determine minimum Tx credit
        xen-netback: use RING_COPY_REQUEST() throughout
        xen-blkback: only read request operation from shared ring once
        xen/pciback: Save xen_pci_op commands before processing it
        xen/pciback: Save the number of MSI-X entries to be copied later.
        xen/pciback: Return error on XEN_PCI_OP_enable_msi when device has MSI or MSI-X enabled
        xen/pciback: Return error on XEN_PCI_OP_enable_msix when device has MSI or MSI-X enabled
        xen/pciback: Do not install an IRQ handler for MSI interrupts.
        xen/pciback: For XEN_PCI_OP_disable_msi[|x] only disable if device has MSI(X) enabled.
        xen/pciback: Don't allow MSI-X ops if PCI_COMMAND_MEMORY is not set.
        xen-pciback: Add name prefix to global 'permissive' variable
        x86/xen: fix upper bound of pmd loop in xen_cleanhighmap()
        x86/traps: Ignore high word of regs->cs in early_idt_handler_common
        x86/mm: Disable preemption during CR3 read+write
        x86/apic: Do not init irq remapping if ioapic is disabled
        x86/mm/pat, /dev/mem: Remove superfluous error message
        x86/paravirt: Do not trace _paravirt_ident_*() functions
        x86/build: Build compressed x86 kernels as PIE
        x86/um: reuse asm-generic/barrier.h
        iommu/amd: Update Alias-DTE in update_device_table()
        iommu/amd: Free domain id when free a domain of struct dma_ops_domain
        ARM: 8616/1: dt: Respect property size when parsing CPUs
        ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
        ARM: sa1100: clear reset status prior to reboot
        ARM: sa1111: fix pcmcia suspend/resume
        arm64: avoid returning from bad_mode
        arm64: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
        arm64: spinlocks: implement smp_mb__before_spinlock() as smp_mb()
        arm64: debug: avoid resetting stepping state machine when TIF_SINGLESTEP
        MIPS: Malta: Fix IOCU disable switch read for MIPS64
        MIPS: ptrace: Fix regs_return_value for kernel context
        powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET
        powerpc/vdso64: Use double word compare on pointers
        powerpc/powernv: Use CPU-endian PEST in pnv_pci_dump_p7ioc_diag_data()
        powerpc/64: Fix incorrect return value from __copy_tofrom_user
        powerpc/nvram: Fix an incorrect partition merge
        avr32: fix copy_from_user()
        avr32: fix 'undefined reference to `___copy_from_user'
        avr32: off by one in at32_init_pio()
        s390/dasd: fix hanging device after clear subchannel
        parisc: Ensure consistent state when switching to kernel stack at syscall entry
        microblaze: fix __get_user()
        microblaze: fix copy_from_user()
        mn10300: failing __get_user() and get_user() should zero
        m32r: fix __get_user()
        sh64: failing __get_user() should zero
        score: fix __get_user/get_user
        s390: get_user() should zero on failure
        ARC: uaccess: get_user to zero out dest in cause of fault
        asm-generic: make get_user() clear the destination on errors
        frv: fix clear_user()
        cris: buggered copy_from_user/copy_to_user/clear_user
        blackfin: fix copy_from_user()
        score: fix copy_from_user() and friends
        sh: fix copy_from_user()
        hexagon: fix strncpy_from_user() error return
        mips: copy_from_user() must zero the destination on access_ok() failure
        asm-generic: make copy_from_user() zero the destination properly
        alpha: fix copy_from_user()
        metag: copy_from_user() should zero the destination on access_ok() failure
        parisc: fix copy_from_user()
        openrisc: fix copy_from_user()
        openrisc: fix the fix of copy_from_user()
        mn10300: copy_from_user() should zero on access_ok() failure...
        sparc32: fix copy_from_user()
        ppc32: fix copy_from_user()
        ia64: copy_from_user() should zero the destination on access_ok() failure
        fix fault_in_multipages_...() on architectures with no-op access_ok()
        fix memory leaks in tracing_buffers_splice_read()
        arc: don't leak bits of kernel stack into coredump
        Fix potential infoleak in older kernels
        swapfile: fix memory corruption via malformed swapfile
        coredump: fix unfreezable coredumping task
        usb: dwc3: gadget: increment request->actual once
        USB: validate wMaxPacketValue entries in endpoint descriptors
        USB: fix typo in wMaxPacketSize validation
        usb: xhci: Fix panic if disconnect
        USB: serial: fix memleak in driver-registration error path
        USB: kobil_sct: fix non-atomic allocation in write path
        USB: serial: mos7720: fix non-atomic allocation in write path
        USB: serial: mos7840: fix non-atomic allocation in write path
        usb: renesas_usbhs: fix clearing the {BRDY,BEMP}STS condition
        USB: change bInterval default to 10 ms
        usb: gadget: fsl_qe_udc: signedness bug in qe_get_frame()
        USB: serial: cp210x: fix hardware flow-control disable
        usb: misc: legousbtower: Fix NULL pointer deference
        usb: gadget: function: u_ether: don't starve tx request queue
        USB: serial: cp210x: fix tiocmget error handling
        usb: gadget: u_ether: remove interrupt throttling
        usb: chipidea: move the lock initialization to core file
        Fix USB CB/CBI storage devices with CONFIG_VMAP_STACK=y
        ALSA: rawmidi: Fix possible deadlock with virmidi registration
        ALSA: timer: fix NULL pointer dereference in read()/ioctl() race
        ALSA: timer: fix division by zero after SNDRV_TIMER_IOCTL_CONTINUE
        ALSA: timer: fix NULL pointer dereference on memory allocation failure
        ALSA: ali5451: Fix out-of-bound position reporting
        ALSA: pcm : Call kill_fasync() in stream lock
        zfcp: fix fc_host port_type with NPIV
        zfcp: fix ELS/GS request&response length for hardware data router
        zfcp: close window with unblocked rport during rport gone
        zfcp: retain trace level for SCSI and HBA FSF response records
        zfcp: restore: Dont use 0 to indicate invalid LUN in rec trace
        zfcp: trace on request for open and close of WKA port
        zfcp: restore tracing of handle for port and LUN with HBA records
        zfcp: fix D_ID field with actual value on tracing SAN responses
        zfcp: fix payload trace length for SAN request&response
        zfcp: trace full payload of all SAN records (req,resp,iels)
        scsi: zfcp: spin_lock_irqsave() is not nestable
        scsi: mpt3sas: Fix secure erase premature termination
        scsi: mpt3sas: Unblock device after controller reset
        scsi: mpt3sas: fix hang on ata passthrough commands
        mpt2sas: Fix secure erase premature termination
        scsi: megaraid_sas: Fix data integrity failure for JBOD (passthrough) devices
        scsi: megaraid_sas: fix macro MEGASAS_IS_LOGICAL to avoid regression
        scsi: ibmvfc: Fix I/O hang when port is not mapped
        scsi: Fix use-after-free
        scsi: arcmsr: Buffer overflow in arcmsr_iop_message_xfer()
        scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded
        scsi: arcmsr: Send SYNCHRONIZE_CACHE command to firmware
        ext4: validate that metadata blocks do not overlap superblock
        ext4: avoid modifying checksum fields directly during checksum verification
        ext4: use __GFP_NOFAIL in ext4_free_blocks()
        ext4: reinforce check of i_dtime when clearing high fields of uid and gid
        ext4: allow DAX writeback for hole punch
        ext4: sanity check the block and cluster size at mount time
        reiserfs: fix "new_insert_key may be used uninitialized ..."
        reiserfs: Unlock superblock before calling reiserfs_quota_on_mount()
        xfs: fix superblock inprogress check
        libxfs: clean up _calc_dquots_per_chunk
        btrfs: ensure that file descriptor used with subvol ioctls is a dir
        ocfs2/dlm: fix race between convert and migration
        ocfs2: fix start offset to ocfs2_zero_range_for_truncate()
        ubifs: Fix assertion in layout_in_gaps()
        ubifs: Fix xattr_names length in exit paths
        UBIFS: Fix possible memory leak in ubifs_readdir()
        ubifs: Abort readdir upon error
        ubifs: Fix regression in ubifs_readdir()
        UBI: fastmap: scrub PEB when bitflips are detected in a free PEB EC header
        NFSv4.x: Fix a refcount leak in nfs_callback_up_net
        NFSD: Using free_conn free connection
        NFS: Don't drop CB requests with invalid principals
        NFSv4: Open state recovery must account for file permission changes
        fs/seq_file: fix out-of-bounds read
        fs/super.c: fix race between freeze_super() and thaw_super()
        isofs: Do not return EACCES for unknown filesystems
        hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
        driver core: Delete an unnecessary check before the function call "put_device"
        driver core: fix race between creating/querying glue dir and its cleanup
        drm/radeon: fix radeon_move_blit on 32bit systems
        drm: Reject page_flip for !DRIVER_MODESET
        drm/radeon: Ensure vblank interrupt is enabled on DPMS transition to on
        qxl: check for kmap failures
        Input: i8042 - break load dependency between atkbd/psmouse and i8042
        Input: i8042 - set up shared ps2_cmd_mutex for AUX ports
        Input: ili210x - fix permissions on "calibrate" attribute
        hwrng: exynos - Disable runtime PM on probe failure
        hwrng: omap - Fix assumption that runtime_get_sync will always succeed
        hwrng: omap - Only fail if pm_runtime_get_sync returns < 0
        i2c-eg20t: fix race between i2c init and interrupt enable
        em28xx-i2c: rt_mutex_trylock() returns zero on failure
        i2c: core: fix NULL pointer dereference under race condition
        i2c: at91: fix write transfers by clearing pending interrupt first
        iio: accel: kxsd9: Fix raw read return
        iio: accel: kxsd9: Fix scaling bug
        thermal: hwmon: Properly report critical temperature in sysfs
        cdc-acm: fix wrong pipe type on rx interrupt xfers
        timers: Use proper base migration in add_timer_on()
        EDAC: Increment correct counter in edac_inc_ue_error()
        IB/ipoib: Fix memory corruption in ipoib cm mode connect flow
        IB/core: Fix use after free in send_leave function
        IB/ipoib: Don't allow MC joins during light MC flush
        IB/mlx4: Fix incorrect MC join state bit-masking on SR-IOV
        IB/mlx4: Fix create CQ error flow
        IB/uverbs: Fix leak of XRC target QPs
        IB/cm: Mark stale CM id's whenever the mad agent was unregistered
        mtd: blkdevs: fix potential deadlock + lockdep warnings
        mtd: pmcmsp-flash: Allocating too much in init_msp_flash()
        mtd: nand: davinci: Reinitialize the HW ECC engine in 4bit hwctl
        perf symbols: Fixup symbol sizes before picking best ones
        perf: Tighten (and fix) the grouping condition
        tty: Prevent ldisc drivers from re-using stale tty fields
        tty: limit terminal size to 4M chars
        tty: vt, fix bogus division in csi_J
        vt: clear selection before resizing
        drivers/vfio: Rework offsetofend()
        include/stddef.h: Move offsetofend() from vfio.h to a generic kernel header
        stddef.h: move offsetofend inside #ifndef/#endif guard, neaten
        ipv6: don't call fib6_run_gc() until routing is ready
        ipv6: split duplicate address detection and router solicitation timer
        ipv6: move DAD and addrconf_verify processing to workqueue
        ipv6: addrconf: fix dev refcont leak when DAD failed
        ipv6: fix rtnl locking in setsockopt for anycast and multicast
        ip6_gre: fix flowi6_proto value in ip6gre_xmit_other()
        ipv6: correctly add local routes when lo goes up
        ipv6: dccp: fix out of bound access in dccp_v6_err()
        ipv6: dccp: add missing bind_conflict to dccp_ipv6_mapped
        ip6_tunnel: Clear IP6CB in ip6tunnel_xmit()
        ip6_tunnel: disable caching when the traffic class is inherited
        net/irda: handle iriap_register_lsap() allocation failure
        tcp: fix use after free in tcp_xmit_retransmit_queue()
        tcp: properly scale window in tcp_v[46]_reqsk_send_ack()
        tcp: fix overflow in __tcp_retransmit_skb()
        tcp: fix wrong checksum calculation on MTU probing
        tcp: take care of truncations done by sk_filter()
        bonding: Fix bonding crash
        net: ratelimit warnings about dst entry refcount underflow or overflow
        mISDN: Support DR6 indication in mISDNipac driver
        mISDN: Fixing missing validation in base_sock_bind()
        net: disable fragment reassembly if high_thresh is set to zero
        ipvs: count pre-established TCP states as active
        iwlwifi: pcie: fix access to scratch buffer
        svc: Avoid garbage replies when pc_func() returns rpc_drop_reply
        brcmsmac: Free packet if dma_mapping_error() fails in dma_rxfill
        brcmsmac: Initialize power in brcms_c_stf_ss_algo_channel_get()
        brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()
        pstore: Fix buffer overflow while write offset equal to buffer size
        net/mlx4_core: Allow resetting VF admin mac to zero
        firewire: net: guard against rx buffer overflows
        firewire: net: fix fragmented datagram_size off-by-one
        netfilter: fix namespace handling in nf_log_proc_dostring
        can: bcm: fix warning in bcm_connect/proc_register
        net: fix sk_mem_reclaim_partial()
        net: avoid sk_forward_alloc overflows
        ipmr, ip6mr: fix scheduling while atomic and a deadlock with ipmr_get_route
        packet: call fanout_release, while UNREGISTERING a netdev
        net: sctp, forbid negative length
        sctp: validate chunk len before actually using it
        net: clear sk_err_soft in sk_clone_lock()
        net: mangle zero checksum in skb_checksum_help()
        dccp: do not send reset to already closed sockets
        dccp: fix out of bound access in dccp_v4_err()
        sctp: assign assoc_id earlier in __sctp_connect
        neigh: check error pointer instead of NULL for ipv4_neigh_lookup()
        ipv4: use new_gw for redirect neigh lookup
        mac80211: fix purging multicast PS buffer queue
        mac80211: discard multicast and 4-addr A-MSDUs
        cfg80211: limit scan results cache size
        mwifiex: printk() overflow with 32-byte SSIDs
        ipv4: Set skb->protocol properly for local output
        net: sky2: Fix shutdown crash
        kaweth: fix firmware download
        tracing: Move mutex to protect against resetting of seq data
        kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
        Revert "ipc/sem.c: optimize sem_lock()"
        cfq: fix starvation of asynchronous writes
        drbd: Fix kernel_sendmsg() usage - potential NULL deref
        lib/genalloc.c: start search from start of chunk
        tools/vm/slabinfo: fix an unintentional printf
        rcu: Fix soft lockup for rcu_nocb_kthread
        ratelimit: fix bug in time interval by resetting right begin time
        mfd: core: Fix device reference leak in mfd_clone_cell
        PM / sleep: fix device reference leak in test_suspend
        mmc: mxs: Initialize the spinlock prior to using it
        mmc: block: don't use CMD23 with very old MMC cards
        pstore/core: drop cmpxchg based updates
        pstore/ram: Use memcpy_toio instead of memcpy
        pstore/ram: Use memcpy_fromio() to save old buffer
        mb86a20s: fix the locking logic
        mb86a20s: fix demod settings
        cx231xx: don't return error on success
        cx231xx: fix GPIOs for Pixelview SBTVD hybrid
        gpio: mpc8xxx: Correct irq handler function
        uio: fix dmem_region_start computation
        KEYS: Fix short sprintf buffer in /proc/keys show function
        hv: do not lose pending heartbeat vmbus packets
        staging: iio: ad5933: avoid uninitialized variable in error case
        mei: bus: fix received data size check in NFC fixup
        ACPI / APEI: Fix incorrect return value of ghes_proc()
        PCI: Handle read-only BARs on AMD CS553x devices
        tile: avoid using clocksource_cyc2ns with absolute cycle count
        dm flakey: fix reads to be issued if drop_writes configured
        mm,ksm: fix endless looping in allocating memory when ksm enable
        can: dev: fix deadlock reported after bus-off
        hwmon: (adt7411) set bit 3 in CFG1 register
        mpi: Fix NULL ptr dereference in mpi_powm() [ver #3]
        mfd: 88pm80x: Double shifting bug in suspend/resume
        ASoC: omap-mcpdm: Fix irq resource handling
        regulator: tps65910: Work around silicon erratum SWCZ010
        dm: mark request_queue dead before destroying the DM device
        fbdev/efifb: Fix 16 color palette entry calculation
        metag: Only define atomic_dec_if_positive conditionally
        Linux 3.10.105

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

Conflicts:
	arch/arm/mach-sa1100/generic.c
	arch/arm64/kernel/traps.c
	crypto/blkcipher.c
	drivers/devfreq/devfreq.c
	drivers/usb/dwc3/gadget.c
	drivers/usb/gadget/u_ether.c
	fs/ubifs/dir.c
	include/net/if_inet6.h
	lib/genalloc.c
	net/ipv6/addrconf.c
	net/ipv6/tcp_ipv6.c
	net/wireless/scan.c
	sound/core/timer.c
2018-01-25 17:45:32 -07:00
Nathan Chancellor 424cd3e8e3 This is the 3.10.94 stable release
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Merge 3.10.94 into android-msm-bullhead-3.10-oreo-m5

Changes in 3.10.94: (32 commits)
        irda: precedence bug in irlmp_seq_hb_idx()
        ppp: fix pppoe_dev deletion condition in pppoe_release()
        RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv
        net/mlx4: Copy/set only sizeof struct mlx4_eqe bytes
        stmmac: Correctly report PTP capabilities.
        ipmr: fix possible race resulting from improper usage of IP_INC_STATS_BH() in preemptible context.
        net: avoid NULL deref in inet_ctl_sock_destroy()
        net: fix a race in dst_release()
        virtio-net: drop NETIF_F_FRAGLIST
        RDS: verify the underlying transport exists before creating a connection
        ARM: 8426/1: dma-mapping: add missing range check in dma_mmap()
        ARM: 8427/1: dma-mapping: add support for offset parameter in dma_mmap()
        ARM: orion: Fix DSA platform device after mvmdio conversion
        x86/setup: Extend low identity map to cover whole kernel range
        x86/setup: Fix low identity map for >= 2GB kernel range
        x86/cpu: Call verify_cpu() after having entered long mode too
        x86/cpu: Fix SMAP check in PVOPS environments
        mac80211: fix driver RSSI event calculations
        net: mvneta: Fix CPU_MAP registers initialisation
        mwifiex: fix mwifiex_rdeeprom_read()
        staging: rtl8712: Add device ID for Sitecom WLA2100
        Bluetooth: hidp: fix device disconnect on idle timeout
        can: sja1000: clear interrupts on start
        arm64: Fix compat register mappings
        usblp: do not set TASK_INTERRUPTIBLE before lock
        usb: musb: core: fix order of arguments to ulpi write callback
        USB: serial: option: add support for Novatel MiFi USB620L
        USB: option: add XS Stick W100-2 from 4G Systems
        ALSA: usb-audio: add packet size quirk for the Medeli DD305
        ALSA: usb-audio: prevent CH345 multiport output SysEx corruption
        ALSA: usb-audio: work around CH345 input SysEx corruption
        Linux 3.10.94

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
2018-01-25 17:03:38 -07:00
Patrick Tjin e39482cf7f Merge branch 'android-msm-bullhead-3.10-oc' into android-msm-bullhead-3.10
January 2018.1

Bug: 68996203
Change-Id: I8d8fde2ad141ecfc2ecf072b32aa4299c4935b80
Signed-off-by: Patrick Tjin <pattjin@google.com>
2017-11-20 10:36:44 -08:00
Marc Zyngier acb8eb3ca5 BACKPORT: arm64: Add CNTFRQ_EL0 trap handler
We now trap accesses to CNTVCT_EL0 when the counter is broken
enough to require the kernel to mediate the access. But it
turns out that some existing userspace (such as OpenMPI) do
probe for the counter frequency, leading to an UNDEF exception
as CNTVCT_EL0 and CNTFRQ_EL0 share the same control bit.

The fix is to handle the exception the same way we do for CNTVCT_EL0.

Bug: 68266545
Fixes: a86bd139f2ae ("arm64: arch_timer: Enable CNTVCT_EL0 trap if workaround is enabled")
Reported-by: Hanjun Guo <guohanjun@huawei.com>
Tested-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 9842119a238bfb92cbab63258dabb54f0e7b111b)

Change-Id: Ie5a9a93fcca238d6097ecacd6df0e540be90220b
2017-10-30 10:52:54 -07:00
Marc Zyngier 01ce9dd084 BACKPORT: arm64: Add CNTVCT_EL0 trap handler
Since people seem to make a point in breaking the userspace visible
counter, we have no choice but to trap the access. Add the required
handler.

Bug: 68266545
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
(cherry picked from commit 6126ce0588eb5a0752d5c8b5796a7fca324fd887)

Change-Id: I0705f47c85a78040df38df18f51a4a22500b904d
2017-10-30 10:52:54 -07:00
Hou Pengyang 7e4eab441f UPSTREAM: arm64: perf: Fix callchain parse error with kernel tracepoint events
For ARM64, when tracing with tracepoint events, the IP and pstate are set
to 0, preventing the perf code parsing the callchain and resolving the
symbols correctly.

 ./perf record -e sched:sched_switch -g --call-graph dwarf ls
    [ perf record: Captured and wrote 0.146 MB perf.data ]
 ./perf report -f
    Samples: 194  of event 'sched:sched_switch', Event count (approx.): 194
    Children      Self    Command  Shared Object     Symbol
    100.00%       100.00%  ls       [unknown]         [.] 0000000000000000

The fix is to implement perf_arch_fetch_caller_regs for ARM64, which fills
several necessary registers used for callchain unwinding, including pc,sp,
fp and spsr .

With this patch, callchain can be parsed correctly as follows:

     ......
+    2.63%     0.00%  ls       [kernel.kallsyms]  [k] vfs_symlink
+    2.63%     0.00%  ls       [kernel.kallsyms]  [k] follow_down
+    2.63%     0.00%  ls       [kernel.kallsyms]  [k] pfkey_get
+    2.63%     0.00%  ls       [kernel.kallsyms]  [k] do_execveat_common.isra.33
-    2.63%     0.00%  ls       [kernel.kallsyms]  [k] pfkey_send_policy_notify
     pfkey_send_policy_notify
     pfkey_get
     v9fs_vfs_rename
     page_follow_link_light
     link_path_walk
     el0_svc_naked
    .......

Change-Id: Ia6160089dd92122392fb0d246721ef3c6b02f430
Signed-off-by: Hou Pengyang <houpengyang@huawei.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 5b09a094f2fb768c76c8d4a82503df6fc7e1df63)
Bug: 29520177
Signed-off-by: Mohan Srinivasan <srmohan@google.com>
2017-08-07 10:13:22 -07:00
Behan Webster 388212ef48 UPSTREAM: arm64: LLVMLinux: Add current_stack_pointer() for arm64
Define a global named register for current_stack_pointer. The use of this new
variable guarantees that both gcc and clang can access this register in C code.

Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from commit 3337a10e0d0cbc9225cefc23aa7a604b698367ed)
Bug: 29520177
Signed-off-by: Mohan Srinivasan <srmohan@google.com>
Change-Id: I19acaf0740ed061d47e4d4c6547142d45aaf81d4
2017-08-07 10:13:19 -07:00
Mark Rutland e57ff665e0 BACKPORT: arm64: Fix up /proc/cpuinfo
commit 44b82b7700d05a52cd983799d3ecde1a976b3bed upstream.

Commit d7a49086f263164a (arm64: cpuinfo: print info for all CPUs)
attempted to clean up /proc/cpuinfo, but due to concerns regarding
further changes was reverted in commit 5e39977edf6500fd (Revert "arm64:
cpuinfo: print info for all CPUs").

There are two major issues with the arm64 /proc/cpuinfo format
currently:

* The "Features" line describes (only) the 64-bit hwcaps, which is
  problematic for some 32-bit applications which attempt to parse it. As
  the same names are used for analogous ISA features (e.g. aes) despite
  these generally being architecturally unrelated, it is not possible to
  simply append the 64-bit and 32-bit hwcaps in a manner that might not
  be misleading to some applications.

  Various potential solutions have appeared in vendor kernels. Typically
  the format of the Features line varies depending on whether the task
  is 32-bit.

* Information is only printed regarding a single CPU. This does not
  match the ARM format, and does not provide sufficient information in
  big.LITTLE systems where CPUs are heterogeneous. The CPU information
  printed is queried from the current CPU's registers, which is racy
  w.r.t. cross-cpu migration.

This patch attempts to solve these issues. The following changes are
made:

* When a task with a LINUX32 personality attempts to read /proc/cpuinfo,
  the "Features" line contains the decoded 32-bit hwcaps, as with the
  arm port. Otherwise, the decoded 64-bit hwcaps are shown. This aligns
  with the behaviour of COMPAT_UTS_MACHINE and COMPAT_ELF_PLATFORM. In
  the absense of compat support, the Features line is empty.

  The set of hwcaps injected into a task's auxval are unaffected.

* Properties are printed per-cpu, as with the ARM port. The per-cpu
  information is queried from pre-recorded cpu information (as used by
  the sanity checks).

* As with the previous attempt at fixing up /proc/cpuinfo, the hardware
  field is removed. The only users so far are 32-bit applications tied
  to particular boards, so no portable applications should be affected,
  and this should prevent future tying to particular boards.

The following differences remain:

* No model_name is printed, as this cannot be queried from the hardware
  and cannot be provided in a stable fashion. Use of the CPU
  {implementor,variant,part,revision} fields is sufficient to identify a
  CPU and is portable across arm and arm64.

* The following system-wide properties are not provided, as they are not
  possible to provide generally. Programs relying on these are already
  tied to particular (32-bit only) boards:
  - Hardware
  - Revision
  - Serial

No software has yet been identified for which these remaining
differences are problematic.

Change-Id: I75d709c9a2c13c9c62b4d8cf777480801cfaeece
Cc: Greg Hackmann <ghackmann@google.com>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Serban Constantinescu <serban.constantinescu@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: cross-distro@lists.linaro.org
Cc: linux-api@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
[Mark: backport to v3.10.x]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Lin <dtwlin@google.com>
2017-06-15 22:21:56 +00:00
Dave Martin b36ad64544 arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
commit aeb1f39d814b2e21e5e5706a48834bfd553d0059 upstream.

This patch adds an explicit __reserved[] field to user_fpsimd_state
to replace what was previously unnamed padding.

This ensures that data in this region are propagated across
assignment rather than being left possibly uninitialised at the
destination.

Fixes: 60ffc30d56 ("arm64: Exception handling")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Will Deacon <Will.Deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
2017-06-08 00:46:56 +02:00
Pratyush Anand a474fad20a UPSTREAM: arm64: Allow hw watchpoint of length 3,5,6 and 7
(cherry picked from commit 0ddb8e0b784ba034f3096d5a54684d0d73155e2a)

Since, arm64 can support all offset within a double word limit. Therefore,
now support other lengths within that range as well.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Pavel Labath <labath@google.com>
Change-Id: Ibcb263a3903572336ccbf96e0180d3990326545a
Bug: 30919905
2017-02-14 15:29:38 +00:00
Pratyush Anand fdfc65f055 UPSTREAM: arm64: Allow hw watchpoint at varied offset from base address
ARM64 hardware supports watchpoint at any double word aligned address.
However, it can select any consecutive bytes from offset 0 to 7 from that
base address. For example, if base address is programmed as 0x420030 and
byte select is 0x1C, then access of 0x420032,0x420033 and 0x420034 will
generate a watchpoint exception.

Currently, we do not have such modularity. We can only program byte,
halfword, word and double word access exception from any base address.

This patch adds support to overcome above limitations.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Pavel Labath <labath@google.com>
Change-Id: I28b1ca63f63182c10c3d6b6b3bacf6c56887ddbe
Bug: 30919905
2017-02-14 15:29:35 +00:00
Will Deacon d65df5171a arm64: spinlocks: implement smp_mb__before_spinlock() as smp_mb()
commit 872c63fbf9e153146b07f0cece4da0d70b283eeb upstream.

smp_mb__before_spinlock() is intended to upgrade a spin_lock() operation
to a full barrier, such that prior stores are ordered with respect to
loads and stores occuring inside the critical section.

Unfortunately, the core code defines the barrier as smp_wmb(), which
is insufficient to provide the required ordering guarantees when used in
conjunction with our load-acquire-based spinlock implementation.

This patch overrides the arm64 definition of smp_mb__before_spinlock()
to map to a full smp_mb().

Cc: Peter Zijlstra <peterz@infradead.org>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
2017-02-06 23:32:54 +01:00
James Hogan 1fd5c7b654 arm64: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
commit 3146bc64d12377a74dbda12b96ea32da3774ae07 upstream.

AT_VECTOR_SIZE_ARCH should be defined with the maximum number of
NEW_AUX_ENT entries that ARCH_DLINFO can contain, but it wasn't defined
for arm64 at all even though ARCH_DLINFO will contain one NEW_AUX_ENT
for the VDSO address.

This shouldn't be a problem as AT_VECTOR_SIZE_BASE includes space for
AT_BASE_PLATFORM which arm64 doesn't use, but lets define it now and add
the comment above ARCH_DLINFO as found in several other architectures to
remind future modifiers of ARCH_DLINFO to keep AT_VECTOR_SIZE_ARCH up to
date.

Fixes: f668cd1673 ("arm64: ELF definitions")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
2017-02-06 23:32:54 +01:00
Josh Gao 5bb169b717 ARM64: Wire up getrandom.
Bug: http://b/29621447
Change-Id: I2e7623ae13318b91589d17d779391c4baa292421
2017-01-25 19:07:30 -08:00
Veena Sambasivan 6cfbde2707 perf: arm64: implement CPU_PM notifier
When a CPU is suspended (either through suspend-to-RAM or CPUidle),
its PMU registers content can be lost, which means that counters
registers values that were initialized on power down entry have to be
reprogrammed on power-up to make sure the counters set-up is preserved
(ie on power-up registers take the reset values on Cold or Warm reset,
which can be architecturally UNKNOWN).

To guarantee seamless profiling conditions across a core power down
this patch adds a CPU PM notifier to ARM pmus, that upon CPU PM
entry/exit from low-power states saves/restores the pmu registers
set-up (by using the ARM perf API), so that the power-down/up cycle does
not affect the perf behaviour (apart from a black-out period between
power-up/down CPU PM notifications that is unavoidable).

Bug: 28086229
Cc: Will Deacon <will.deacon@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Git-commit: da4e4f18afe0f3729d68f3785c5802f786d36e34
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[schikk@codeaurora.org: ported the change for 3.10 kernel]
Change-Id: I249afadd85f96ec89989fa015090c484748abb17
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>

Signed-off-by: Veena Sambasivan <veenas@codeaurora.org>
2016-06-13 15:33:41 -07:00
Veena Sambasivan 0075aae104 Revert "Perf: arm64: support hotplug and power collapse"
This reverts commit 19d3bf8ee8 .
("Perf: arm64: support hotplug and power collapse")

This change is being reverted so that it can be replaced
by equivalent functionality from upstream.

Bug: 28086229
Change-Id: Iffd577bb7d7070791749a79aabf3a07eaa202532
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>
Signed-off-by: Veena Sambasivan <veenas@codeaurora.org>
2016-06-13 15:33:29 -07:00
Veena Sambasivan 4d6b3d3aba Revert "Perf: arm64: fix disable of pmu irq during hotplug"
This reverts commit fd64280eb5 .
("Perf: arm64: fix disable of pmu irq during hotplug")

This change is being reverted so that it can be replaced
by equivalent functionality from upstream.

Bug: 28086229
Change-Id: I94fb8218698d0bdda1c33b81ce16a0c0d3d326dd
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>
Signed-off-by: Veena Sambasivan <veenas@codeaurora.org>
2016-06-13 15:33:25 -07:00
Thierry Strudel 11afac3e2c Revert "arm64: Introduce execute-only page access permissions"
This reverts commit f72129c220.

Bug: 28557020
Change-Id: Ia63cce8e2b1c847a323527ab1021ef72f4f708db
Signed-off-by: Thierry Strudel <tstrudel@google.com>
2016-05-19 19:03:22 +00:00
Robin Murphy b2a5b59647 arm64: Fix compat register mappings
commit 5accd17d0eb523350c9ef754d655e379c9bb93b3 upstream.

For reasons not entirely apparent, but now enshrined in history, the
architectural mapping of AArch32 banked registers to AArch64 registers
actually orders SP_<mode> and LR_<mode> backwards compared to the
intuitive r13/r14 order, for all modes except FIQ.

Fix the compat_<reg>_<mode> macros accordingly, in the hope of avoiding
subtle bugs with KVM and AArch32 guests.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-09 13:40:10 -05:00
AKASHI Takahiro 5482d510aa arm64: add seccomp support
secure_computing() is called first in syscall_trace_enter() so that
a system call will be aborted quickly without doing succeeding syscall
tracing if seccomp rules want to deny that system call.

On compat task, syscall numbers for system calls allowed in seccomp mode 1
are different from those on normal tasks, and so _NR_seccomp_xxx_32's need
to be redefined.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-07-06 17:16:23 -07:00
AKASHI Takahiro 2d9b78ab37 arm64: add seccomp syscall for compat task
This patch allows compat task to issue seccomp() system call.

Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-07-06 17:16:22 -07:00
AKASHI Takahiro 369529f9c3 arm64: add SIGSYS siginfo for compat task
SIGSYS is primarily used in secure computing to notify tracer of syscall
events. This patch allows signal handler on compat task to get correct
information with SA_SIGINFO specified when this signal is delivered.

Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-07-06 17:16:22 -07:00
AKASHI Takahiro aff5241cab arm64: Add audit support
On AArch64, audit is supported through generic lib/audit.c and
compat_audit.c, and so this patch adds arch specific definitions required.

Acked-by Will Deacon <will.deacon@arm.com>
Acked-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-07-06 17:16:19 -07:00
Catalin Marinas 7be413e879 arm64: Add __NR_* definitions for compat syscalls
This patch adds __NR_* definitions to asm/unistd32.h, moves the
__NR_compat_* definitions to asm/unistd.h and removes all the explicit
unistd32.h includes apart from the one building the compat syscall
table. The aim is to have the compat __NR_* definitions available but
without colliding with the native syscall definitions (required by
lib/compat_audit.c to avoid duplicating the audit header files between
native and compat).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-07-06 17:16:18 -07:00
Chen Gang 9818f16f1a arm64: kernel: compiling issue, need delete read_current_timer()
commit 6916b14ea140ff5c915895eefe9431888a39a84d upstream.

Under arm64, we will calibrate the delay loop statically using a known
timer frequency, so delete read_current_timer(), or it will cause
compiling issue with allmodconfig.

The related error:
  ERROR: "read_current_timer" [lib/rbtree_test.ko] undefined!
  ERROR: "read_current_timer" [lib/interval_tree_test.ko] undefined!
  ERROR: "read_current_timer" [fs/ext4/ext4.ko] undefined!
  ERROR: "read_current_timer" [crypto/tcrypt.ko] undefined!

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-06 21:56:25 +02:00
Ian Maund 807a44d01a This is the 3.10.67 stable release
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Merge commit 'v3.10.67' into LA.BF64.1.2.9

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.

* '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>
2015-05-01 13:34:57 -07:00
Catalin Marinas 409e2f1b05 arm64: Use the reserved TTBR0 if context switching to the init_mm
The idle_task_exit() function may call switch_mm() with next ==
&init_mm. On arm64, init_mm.pgd cannot be used for user mappings, so
this patch simply sets the reserved TTBR0.

Change-Id: I90c16bcb0edcdcf6e1ce9f98a091ad1e0cccb697
Cc: <stable@vger.kernel.org>
Reported-by: Jon Medhurst (Tixy) <tixy@linaro.org>
Tested-by: Jon Medhurst (Tixy) <tixy@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Git-commit: e53f21bce4d35a93b23d8fa1a840860f6c74f59e
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2015-03-30 14:51:26 -07:00
Laura Abbott 4b6fc2ca27 arm64: Add CONFIG_CC_STACKPROTECTOR
arm64 currently lacks support for -fstack-protector. Add
similar functionality to arm to detect stack corruption.

CRs-Fixed: 673518
Change-Id: Id48cdfbd426ca3d685da9926664208f4ad0d99ac
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2015-03-24 23:30:57 -07:00
Divya Sharma 6c93b1534b Merge tag 'AU_LINUX_ANDROID_LA.BF64.1.2.1_RB2.05.00.02.081.002' into HEAD
"AU_LINUX_ANDROID_LA.BF64.1.2.1_RB2.05.00.02.081.002"

Change-Id: I661a997a512ef13b5208932d93ce28a4e39a7b8b
Signed-off-by: Divya Sharma <c_shard@codeaurora.org>
2015-03-12 18:42:05 -07:00
David Ng 80349b9263 arm64: Add 32-bit sigcontext definition to uapi signcontext.h
The arm64 uapi sigcontext.h can be included by 32-bit userspace
modules.  Since arm and arm64 sigcontext definition are not
compatible, add arm sigcontext definition to arm64 sigcontext.h.

Change-Id: I94109b094f6c8376fdaeb2822d7b26d18ddfb2bc
Signed-off-by: David Ng <dave@codeaurora.org>
Signed-off-by: Divya Sharma <c_shard@codeaurora.org>
Signed-off-by: Anh Nguyen <anguyen@codeaurora.org>
2015-03-10 08:02:21 -07:00
Feng Kan 15ed5351a0 arm64: enable PTE type bit in the mask for pte_modify
Caught during Trinity testing. The pte_modify does not allow
modification for PTE type bit. This cause the test to hang
the system. It is found that the PTE can't transit from an
inaccessible page (b00) to a valid page (b11) because the mask
does not allow it. This happens when a big block of mmaped
memory is set the PROT_NONE, then the a small piece is broken
off and set to PROT_WRITE | PROT_READ cause a huge page split.

Change-Id: Icd3f47db10665694b6a3cfff73b21e1d3d23dba8
Signed-off-by: Feng Kan <fkan@apm.com>
Git-commit: 6910fa16dbe142f6a0fd0fd7c249f9883ff7fc8a
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2015-03-03 22:27:34 -08:00
Mark Rutland 72684eae7b arm64: Fix up /proc/cpuinfo
commit 44b82b7700d05a52cd983799d3ecde1a976b3bed upstream.

Commit d7a49086f263164a (arm64: cpuinfo: print info for all CPUs)
attempted to clean up /proc/cpuinfo, but due to concerns regarding
further changes was reverted in commit 5e39977edf6500fd (Revert "arm64:
cpuinfo: print info for all CPUs").

There are two major issues with the arm64 /proc/cpuinfo format
currently:

* The "Features" line describes (only) the 64-bit hwcaps, which is
  problematic for some 32-bit applications which attempt to parse it. As
  the same names are used for analogous ISA features (e.g. aes) despite
  these generally being architecturally unrelated, it is not possible to
  simply append the 64-bit and 32-bit hwcaps in a manner that might not
  be misleading to some applications.

  Various potential solutions have appeared in vendor kernels. Typically
  the format of the Features line varies depending on whether the task
  is 32-bit.

* Information is only printed regarding a single CPU. This does not
  match the ARM format, and does not provide sufficient information in
  big.LITTLE systems where CPUs are heterogeneous. The CPU information
  printed is queried from the current CPU's registers, which is racy
  w.r.t. cross-cpu migration.

This patch attempts to solve these issues. The following changes are
made:

* When a task with a LINUX32 personality attempts to read /proc/cpuinfo,
  the "Features" line contains the decoded 32-bit hwcaps, as with the
  arm port. Otherwise, the decoded 64-bit hwcaps are shown. This aligns
  with the behaviour of COMPAT_UTS_MACHINE and COMPAT_ELF_PLATFORM. In
  the absense of compat support, the Features line is empty.

  The set of hwcaps injected into a task's auxval are unaffected.

* Properties are printed per-cpu, as with the ARM port. The per-cpu
  information is queried from pre-recorded cpu information (as used by
  the sanity checks).

* As with the previous attempt at fixing up /proc/cpuinfo, the hardware
  field is removed. The only users so far are 32-bit applications tied
  to particular boards, so no portable applications should be affected,
  and this should prevent future tying to particular boards.

The following differences remain:

* No model_name is printed, as this cannot be queried from the hardware
  and cannot be provided in a stable fashion. Use of the CPU
  {implementor,variant,part,revision} fields is sufficient to identify a
  CPU and is portable across arm and arm64.

* The following system-wide properties are not provided, as they are not
  possible to provide generally. Programs relying on these are already
  tied to particular (32-bit only) boards:
  - Hardware
  - Revision
  - Serial

No software has yet been identified for which these remaining
differences are problematic.

Cc: Greg Hackmann <ghackmann@google.com>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Serban Constantinescu <serban.constantinescu@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: cross-distro@lists.linaro.org
Cc: linux-api@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
[Mark: backport to v3.10.x]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-02-11 14:48:17 +08:00
Patrick Daly 142c367110 edac: cortex_arm64_edac: Use dbe irq only
Add a Kconfig option to use the double-bit error interrupt as the only
source for checking for parity errors.

The following alternative sources would be disabled:
1) correctable single-bit parity errors through pmu counters.
2) polling the cpumerrsr and l2merrsr registers.
3) checking for parity errors in the do_bad/bad_mode handlers.

Change-Id: I2a861a12d788e3239c81bca247a08b94d88ebf34
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
2015-01-27 12:07:58 -08:00
Rohit Vaswani 0286237c8e ARM64: spinlock: Move the dsb+sev after the stlxr has succeeded
In arch_read_unlock, the earlier commit
88a066074b had added the DSB+SEV
before checking if the stlxr has successfully completed.
Move the DSB + SEV after the compare instruction to prevent
unnecessary SEVs.

Change-Id: I58bdad4db333a2acc31bcdc0e911c493cd3417bd
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2014-12-30 13:15:05 -08:00
Rohit Vaswani 88a066074b ARM64: spinlock: Add SEV and dsb in unlock code
In certain unexplained cases, the stlr alone might not wakeup
the processor waiting in WFE on a spinlock.
Add an explicity dsb and SEV in write_unlock, read_unlock
and spin_unlock to ensure that the core waiting on the lock
wakes up from WFE.
Selectable by config option SEV_IN_LOCK_UNLOCK

Change-Id: I691ff5713d4d564623b75b053b40d1f46d74868a
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2014-12-23 20:06:41 -08:00
Linux Build Service Account 174faf3c6e Merge "edac: cortex_arm64: Remove misleading edac error warning" 2014-12-17 22:33:30 -08:00
Patrick Daly 3db5e3d816 edac: cortex_arm64: Remove misleading edac error warning
If bad_mode() or do_bad() is called, the arm edac driver checks for an
error. Ensure that warning messages are only printed out if there is
actually an error.

Additionally, fix an issue where the warning for a single bit error could
be printed for a double bit error.

Change-Id: I6133cb298fb9e660a220434761427d6ea6adb2ba
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
2014-12-12 13:09:09 -08:00
Mitchel Humpherys a9b6f43592 arm64: dma-mapping: fix some issues with IOMMU mapper
We haven't been compiling the IOMMU mapper for a while and some things
have gotten stale.  Fix various compilation issues.

Change-Id: Ia76264c57e5caea048b8364d345c011338465613
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
2014-12-05 14:43:13 -08:00
Linux Build Service Account 8f00e62f4c Merge "arm64: Add support for KERNEL_TEXT_RDONLY" 2014-11-09 23:41:07 -08:00
Rohit Vaswani c45a4e6e07 arm64: Add support for KERNEL_TEXT_RDONLY
When using FORCE_PAGES to allocate the kernel memory into pages,
provide an option to mark the the kernel text section as read only.
Since the kernel text pages are always mapped in the kernel, anyone
can write to the page if they have the address.
Enable this option to mark the kernel text pages as read only to
trigger a fault if any code attempts to write to a page that is
part of the kernel text section.

Change-Id: I2a9e105a3340686b4314bb10cc2a6c7bfa19ce8e
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2014-11-07 16:59:07 -08:00
Rohit Vaswani 75cde07670 arm64: spinlock: Drop the prfm from arch_spin_trylock
As per ARM the prefetch for store (prfm pstl1strm) in the arch_spin_trylock
routine can lead to some false positives, decreasing the lock performance.
On the Cortex-A57 / Cortex-A53, if the memory type is Shareable, then any
linefill started by a PST (prefetch for store)/PLDW instruction also causes
the data to be invalidated in other cores, so that the line is ready for
writing. This will also clear the exclusive marker associated with that
cache line (clearing the exclusive monitors).
So, in the scenario where we could have multiple cores trying to acquire
exclusive access to a cacheline, the removal of prefetch would help with
potentially increasing the chances of one of the cores making progress.

Example:
struct {
spinlock_t lock;
atomic_t count;
} x;

We have 2 cores trying to run the below code

spin_lock(&x.lock);
atomic_inc(&x.count);
spin_unlock(&x.lock);

lock and count are part of a struct so they fall into the same cacheline.
The lock function uses the trylock mechanism as part of debug spinlock.
1. Core1 has acquired the spinlock and is performing the ldxr, add, strx
loop in atomic_inc.
2. Core2 are trying to acquire the spinlock.

Core1		|    Core2
ldxr		|	|
|		|  prfm pstl1strm
add		|	|
|		|     ldaxr
stxr (fails)	|	|
|		|

Now, the prfm always clears the exclusive marker for the core1 ldxr,
so the stxr always fails. This prevents core1 from making progress and
releasing the spinlock that core2 is waiting for.
This could potentially go on forever and we end up breaking this pattern
if the timing changes or if an interrupt triggers.
This could happen with more cores trying to acquire the spinlock, cause
more prefetches and make the problem worse.
By removing the prfm, we allow the stxr @core1 to suceed and atomic_inc
completes, allowing core1 to unlock the spinlock and let core2 proceed.

Change-Id: I742ab9b6d98aded628e4dcf4a6ec68b8e2a4ec3e
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2014-11-06 12:22:12 -08:00
Victor Kamensky 9f81e4deb5 arm64: compat: fix compat types affecting struct compat_elf_prpsinfo
commit 971a5b6fe634bb7b617d8c5f25b6a3ddbc600194 upstream.

The compat_elf_prpsinfo structure does not match the arch/arm struct
elf_pspsinfo definition. As result NT_PRPSINFO note in core file
created by arm64 kernel for aarch32 (compat) process has wrong size.
So gdb cannot display command that caused process crash.

Fix is to change size of __compat_uid_t, __compat_gid_t so it would
match size of similar fields in arch/arm case.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-30 09:35:12 -07:00
Neil Leeder fd64280eb5 Perf: arm64: fix disable of pmu irq during hotplug
PMU irq is disabled when a cpu is hotplugged off
and perf is running. Using cpu_pmu->active_events
to determine if the pmu is running left a window
where it is decremented to 0 in hw_perf_event_destroy,
and then armpmu_release_hardware is called. If a cpu
is hotplugged off in this window it may not disable
its irq. Use a separate flag which is not cleared
until after the irq is released by all online cpus.

The variable needs to be tristate because of the possibility
of a cpu being hotplugged in during this window. In that
case it should not enable its irq when the pmu is being
shut down. Having the GOING_DOWN state allows correct
behavior for cpus both going down and coming up.

Change-Id: I934ba5dec34e681ce8defd7fa7e311b4a2a92c1a
Signed-off-by: Neil Leeder <nleeder@codeaurora.org>
2014-10-16 17:08:38 -04:00
Linux Build Service Account f6c1f0dc55 Merge "clocksource: arm_arch_timer: Enable counter access for 32-bit ARM" 2014-10-14 18:32:04 -07:00
Nathan Lynch ff9272c111 clocksource: arm_arch_timer: Enable counter access for 32-bit ARM
The only difference between arm and arm64's implementations of
arch_counter_set_user_access is that 32-bit ARM does not enable user
access to the virtual counter.  We want to enable this access for the
32-bit ARM VDSO, so copy the arm64 version to the driver itself, and
remove the arch-specific implementations.

Change-Id: Iddeefaba3c9b9e57344c6b2cef27c766a4bd686b
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Git-commit: 8b8dde00347ef409b29abd97e5833ffdb4ed7508
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[mattw@codeaurora.org: resolved trivial context conflicts]
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
2014-10-13 09:52:09 -07:00
Rohit Vaswani 15c8581540 edac: cortex_arm64: Poll to check for cache errors
By design, the CortexA53/A57 processors are incapable of
gernerating interrupts or PMU events once a single-bit
error is observed in the L2 caches.
Hence, we need to poll the L2MERRSR register to periodically check
for single bit errors. We need to do this for L2 on both clusters.

Change-Id: I76a440b820f23c9667a5596cf550ff7725ec1cf5
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
2014-10-09 16:18:18 -07:00