Merge remote-tracking branch 'msm4.4/tmp-da9a92f' into msm-4.4

* origin/tmp-da9a92f:
  arm64: kaslr: increase randomization granularity
  arm64: relocatable: deal with physically misaligned kernel images
  arm64: don't map TEXT_OFFSET bytes below the kernel if we can avoid it
  arm64: kernel: replace early 64-bit literal loads with move-immediates
  arm64: introduce mov_q macro to move a constant into a 64-bit register
  arm64: kernel: perform relocation processing from ID map
  arm64: kernel: use literal for relocated address of __secondary_switched
  arm64: kernel: don't export local symbols from head.S
  arm64: simplify kernel segment mapping granularity
  arm64: cover the .head.text section in the .text segment mapping
  arm64: move early boot code to the .init segment
  arm64: use 'segment' rather than 'chunk' to describe mapped kernel regions
  arm64: mm: Mark .rodata as RO
  Linux 4.4.16
  ovl: verify upper dentry before unlink and rename
  drm/i915: Revert DisplayPort fast link training feature
  tmpfs: fix regression hang in fallocate undo
  tmpfs: don't undo fallocate past its last page
  crypto: qat - make qat_asym_algs.o depend on asn1 headers
  xen/acpi: allow xen-acpi-processor driver to load on Xen 4.7
  File names with trailing period or space need special case conversion
  cifs: dynamic allocation of ntlmssp blob
  Fix reconnect to not defer smb3 session reconnect long after socket reconnect
  53c700: fix BUG on untagged commands
  s390: fix test_fp_ctl inline assembly contraints
  scsi: fix race between simultaneous decrements of ->host_failed
  ovl: verify upper dentry in ovl_remove_and_whiteout()
  ovl: Copy up underlying inode's ->i_mode to overlay inode
  ARM: mvebu: fix HW I/O coherency related deadlocks
  ARM: dts: armada-38x: fix MBUS_ID for crypto SRAM on Armada 385 Linksys
  ARM: sunxi/dt: make the CHIP inherit from allwinner,sun5i-a13
  ALSA: hda: add AMD Stoney PCI ID with proper driver caps
  ALSA: hda - fix use-after-free after module unload
  ALSA: ctl: Stop notification after disconnection
  ALSA: pcm: Free chmap at PCM free callback, too
  ALSA: hda/realtek - add new pin definition in alc225 pin quirk table
  ALSA: hda - fix read before array start
  ALSA: hda - Add PCI ID for Kabylake-H
  ALSA: hda/realtek: Add Lenovo L460 to docking unit fixup
  ALSA: timer: Fix negative queue usage by racy accesses
  ALSA: echoaudio: Fix memory allocation
  ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift()
  ALSA: hda / realtek - add two more Thinkpad IDs (5050,5053) for tpt460 fixup
  ALSA: hda - Fix the headset mic jack detection on Dell machine
  ALSA: dummy: Fix a use-after-free at closing
  hwmon: (dell-smm) Cache fan_type() calls and change fan detection
  hwmon: (dell-smm) Disallow fan_type() calls on broken machines
  hwmon: (dell-smm) Restrict fan control and serial number to CAP_SYS_ADMIN by default
  tty/vt/keyboard: fix OOB access in do_compute_shiftstate()
  tty: vt: Fix soft lockup in fbcon cursor blink timer.
  iio:ad7266: Fix probe deferral for vref
  iio:ad7266: Fix support for optional regulators
  iio:ad7266: Fix broken regulator error handling
  iio: accel: kxsd9: fix the usage of spi_w8r8()
  staging: iio: accel: fix error check
  iio: hudmidity: hdc100x: fix incorrect shifting and scaling
  iio: humidity: hdc100x: fix IIO_TEMP channel reporting
  iio: humidity: hdc100x: correct humidity integration time mask
  iio: proximity: as3935: fix buffer stack trashing
  iio: proximity: as3935: remove triggered buffer processing
  iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output
  iio: light apds9960: Add the missing dev.parent
  iio:st_pressure: fix sampling gains (bring inline with ABI)
  iio: Fix error handling in iio_trigger_attach_poll_func
  xen/balloon: Fix declared-but-not-defined warning
  perf/x86: Fix undefined shift on 32-bit kernels
  memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing
  drm/vmwgfx: Fix error paths when mapping framebuffer
  drm/vmwgfx: Delay pinning fbdev framebuffer until after mode set
  drm/vmwgfx: Check pin count before attempting to move a buffer
  drm/vmwgfx: Work around mode set failure in 2D VMs
  drm/vmwgfx: Add an option to change assumed FB bpp
  drm/ttm: Make ttm_bo_mem_compat available
  drm: atmel-hlcdc: actually disable scaling when no scaling is required
  drm: make drm_atomic_set_mode_prop_for_crtc() more reliable
  drm: add missing drm_mode_set_crtcinfo call
  drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency
  drm/i915: Update ifdeffery for mutex->owner
  drm/i915: Refresh cached DP port register value on resume
  drm/i915/ilk: Don't disable SSC source if it's in use
  drm/nouveau/disp/sor/gf119: select correct sor when poking training pattern
  drm/nouveau: fix for disabled fbdev emulation
  drm/nouveau/fbcon: fix out-of-bounds memory accesses
  drm/nouveau/gr/gf100-: update sm error decoding from gk20a nvgpu headers
  drm/nouveau/disp/sor/gf119: both links use the same training register
  virtio_balloon: fix PFN format for virtio-1
  drm/dp/mst: Always clear proposed vcpi table for port.
  drm/amdkfd: destroy dbgmgr in notifier release
  drm/amdkfd: unbind only existing processes
  ubi: Make recover_peb power cut aware
  drm/amdgpu/gfx7: fix broken condition check
  drm/radeon: fix asic initialization for virtualized environments
  btrfs: account for non-CoW'd blocks in btrfs_abort_transaction
  percpu: fix synchronization between synchronous map extension and chunk destruction
  percpu: fix synchronization between chunk->map_extend_work and chunk destruction
  af_unix: fix hard linked sockets on overlay
  vfs: add d_real_inode() helper
  arm64: Rework valid_user_regs
  ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg()
  drm/mgag200: Black screen fix for G200e rev 4
  iommu/amd: Fix unity mapping initialization race
  iommu/vt-d: Enable QI on all IOMMUs before setting root entry
  iommu/arm-smmu: Wire up map_sg for arm-smmu-v3
  base: make module_create_drivers_dir race-free
  tracing: Handle NULL formats in hold_module_trace_bprintk_format()
  HID: multitouch: enable palm rejection for Windows Precision Touchpad
  HID: hiddev: validate num_values for HIDIOCGUSAGES, HIDIOCSUSAGES commands
  HID: elo: kill not flush the work
  KVM: nVMX: VMX instructions: fix segment checks when L1 is in long mode.
  kvm: Fix irq route entries exceeding KVM_MAX_IRQ_ROUTES
  KEYS: potential uninitialized variable
  ARCv2: LLSC: software backoff is NOT needed starting HS2.1c
  ARCv2: Check for LL-SC livelock only if LLSC is enabled
  ipv6: Fix mem leak in rt6i_pcpu
  cdc_ncm: workaround for EM7455 "silent" data interface
  net_sched: fix mirrored packets checksum
  packet: Use symmetric hash for PACKET_FANOUT_HASH.
  sched/fair: Fix cfs_rq avg tracking underflow
  UBIFS: Implement ->migratepage()
  mm: Export migrate_page_move_mapping and migrate_page_copy
  MIPS: KVM: Fix modular KVM under QEMU
  ARM: 8579/1: mm: Fix definition of pmd_mknotpresent
  ARM: 8578/1: mm: ensure pmd_present only checks the valid bit
  ARM: imx6ul: Fix Micrel PHY mask
  NFS: Fix another OPEN_DOWNGRADE bug
  make nfs_atomic_open() call d_drop() on all ->open_context() errors.
  nfsd: check permissions when setting ACLs
  posix_acl: Add set_posix_acl
  nfsd: Extend the mutex holding region around in nfsd4_process_open2()
  nfsd: Always lock state exclusively.
  nfsd4/rpc: move backchannel create logic into rpc code
  writeback: use higher precision calculation in domain_dirty_limits()
  thermal: cpu_cooling: fix improper order during initialization
  uvc: Forward compat ioctls to their handlers directly
  Revert "gpiolib: Split GPIO flags parsing and GPIO configuration"
  x86/amd_nb: Fix boot crash on non-AMD systems
  kprobes/x86: Clear TF bit in fault on single-stepping
  x86, build: copy ldlinux.c32 to image.iso
  locking/static_key: Fix concurrent static_key_slow_inc()
  locking/qspinlock: Fix spin_unlock_wait() some more
  locking/ww_mutex: Report recursive ww_mutex locking early
  of: irq: fix of_irq_get[_byname]() kernel-doc
  of: fix autoloading due to broken modalias with no 'compatible'
  mnt: If fs_fully_visible fails call put_filesystem.
  mnt: Account for MS_RDONLY in fs_fully_visible
  mnt: fs_fully_visible test the proper mount for MNT_LOCKED
  usb: common: otg-fsm: add license to usb-otg-fsm
  USB: EHCI: declare hostpc register as zero-length array
  usb: dwc2: fix regression on big-endian PowerPC/ARM systems
  powerpc/tm: Always reclaim in start_thread() for exec() class syscalls
  powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added
  powerpc/pseries: Fix PCI config address for DDW
  powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
  IB/mlx4: Properly initialize GRH TClass and FlowLabel in AHs
  IB/cm: Fix a recently introduced locking bug
  EDAC, sb_edac: Fix rank lookup on Broadwell
  mac80211: Fix mesh estab_plinks counting in STA removal case
  mac80211_hwsim: Add missing check for HWSIM_ATTR_SIGNAL
  mac80211: mesh: flush mesh paths unconditionally
  mac80211: fix fast_tx header alignment
  Linux 4.4.15
  usb: dwc3: exynos: Fix deferred probing storm.
  usb: host: ehci-tegra: Grab the correct UTMI pads reset
  usb: gadget: fix spinlock dead lock in gadgetfs
  USB: mos7720: delete parport
  xhci: Fix handling timeouted commands on hosts in weird states.
  USB: xhci: Add broken streams quirk for Frescologic device id 1009
  usb: xhci-plat: properly handle probe deferral for devm_clk_get()
  xhci: Cleanup only when releasing primary hcd
  usb: musb: host: correct cppi dma channel for isoch transfer
  usb: musb: Ensure rx reinit occurs for shared_fifo endpoints
  usb: musb: Stop bulk endpoint while queue is rotated
  usb: musb: only restore devctl when session was set in backup
  usb: quirks: Add no-lpm quirk for Acer C120 LED Projector
  usb: quirks: Fix sorting
  USB: uas: Fix slave queue_depth not being set
  crypto: user - re-add size check for CRYPTO_MSG_GETALG
  crypto: ux500 - memmove the right size
  crypto: vmx - Increase priority of aes-cbc cipher
  AX.25: Close socket connection on session completion
  bpf: try harder on clones when writing into skb
  net: alx: Work around the DMA RX overflow issue
  net: macb: fix default configuration for GMAC on AT91
  neigh: Explicitly declare RCU-bh read side critical section in neigh_xmit()
  bpf, perf: delay release of BPF prog after grace period
  sock_diag: do not broadcast raw socket destruction
  Bridge: Fix ipv6 mc snooping if bridge has no ipv6 address
  ipmr/ip6mr: Initialize the last assert time of mfc entries.
  netem: fix a use after free
  esp: Fix ESN generation under UDP encapsulation
  sit: correct IP protocol used in ipip6_err
  net: Don't forget pr_fmt on net_dbg_ratelimited for CONFIG_DYNAMIC_DEBUG
  net_sched: fix pfifo_head_drop behavior vs backlog
  sdcardfs: Truncate packages_gid.list on overflow
  UPSTREAM: cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind
  BACKPORT: proc: add /proc/<pid>/timerslack_ns interface
  BACKPORT: timer: convert timer_slack_ns from unsigned long to u64
  netfilter: xt_quota2: make quota2_log work well
  Revert "usb: gadget: prevent change of Host MAC address of 'usb0' interface"
  BACKPORT: PM / sleep: Go direct_complete if driver has no callbacks
  ANDROID: base-cfg: enable UID_CPUTIME
  UPSTREAM: USB: usbfs: fix potential infoleak in devio
  UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_ccallback
  UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt
  UPSTREAM: ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
  ANDROID: configs: remove unused configs
  ANDROID: cpu: send KOBJ_ONLINE event when enabling cpus
  ANDROID: dm verity fec: initialize recursion level
  ANDROID: dm verity fec: fix RS block calculation
  Linux 4.4.14
  netfilter: x_tables: introduce and use xt_copy_counters_from_user
  netfilter: x_tables: do compat validation via translate_table
  netfilter: x_tables: xt_compat_match_from_user doesn't need a retval
  netfilter: ip6_tables: simplify translate_compat_table args
  netfilter: ip_tables: simplify translate_compat_table args
  netfilter: arp_tables: simplify translate_compat_table args
  netfilter: x_tables: don't reject valid target size on some architectures
  netfilter: x_tables: validate all offsets and sizes in a rule
  netfilter: x_tables: check for bogus target offset
  netfilter: x_tables: check standard target size too
  netfilter: x_tables: add compat version of xt_check_entry_offsets
  netfilter: x_tables: assert minimum target size
  netfilter: x_tables: kill check_entry helper
  netfilter: x_tables: add and use xt_check_entry_offsets
  netfilter: x_tables: validate targets of jumps
  netfilter: x_tables: don't move to non-existent next rule
  drm/core: Do not preserve framebuffer on rmfb, v4.
  crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq
  netfilter: x_tables: fix unconditional helper
  netfilter: x_tables: make sure e->next_offset covers remaining blob size
  netfilter: x_tables: validate e->target_offset early
  MIPS: Fix 64k page support for 32 bit kernels.
  sparc64: Fix return from trap window fill crashes.
  sparc: Harden signal return frame checks.
  sparc64: Take ctx_alloc_lock properly in hugetlb_setup().
  sparc64: Reduce TLB flushes during hugepte changes
  sparc/PCI: Fix for panic while enabling SR-IOV
  sparc64: Fix sparc64_set_context stack handling.
  sparc64: Fix numa node distance initialization
  sparc64: Fix bootup regressions on some Kconfig combinations.
  sparc: Fix system call tracing register handling.
  fix d_walk()/non-delayed __d_free() race
  sched: panic on corrupted stack end
  proc: prevent stacking filesystems on top
  x86/entry/traps: Don't force in_interrupt() to return true in IST handlers
  wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel
  ecryptfs: forbid opening files without mmap handler
  memcg: add RCU locking around css_for_each_descendant_pre() in memcg_offline_kmem()
  parisc: Fix pagefault crash in unaligned __get_user() call
  pinctrl: mediatek: fix dual-edge code defect
  powerpc/pseries: Add POWER8NVL support to ibm,client-architecture-support call
  powerpc: Use privileged SPR number for MMCR2
  powerpc: Fix definition of SIAR and SDAR registers
  powerpc/pseries/eeh: Handle RTAS delay requests in configure_bridge
  arm64: mm: always take dirty state from new pte in ptep_set_access_flags
  arm64: Provide "model name" in /proc/cpuinfo for PER_LINUX32 tasks
  crypto: ccp - Fix AES XTS error for request sizes above 4096
  crypto: public_key: select CRYPTO_AKCIPHER
  irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask
  s390/bpf: reduce maximum program size to 64 KB
  s390/bpf: fix recache skb->data/hlen for skb_vlan_push/pop
  gpio: bcm-kona: fix bcm_kona_gpio_reset() warnings
  ARM: fix PTRACE_SETVFPREGS on SMP systems
  ALSA: hda/realtek: Add T560 docking unit fixup
  ALSA: hda/realtek - Add support for new codecs ALC700/ALC701/ALC703
  ALSA: hda/realtek - ALC256 speaker noise issue
  ALSA: hda - Fix headset mic detection problem for Dell machine
  ALSA: hda - Add PCI ID for Kabylake
  KVM: irqfd: fix NULL pointer dereference in kvm_irq_map_gsi
  KVM: x86: fix OOPS after invalid KVM_SET_DEBUGREGS
  vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices
  geneve: Relax MTU constraints
  vxlan: Relax MTU constraints
  ipv6: Skip XFRM lookup if dst_entry in socket cache is valid
  l2tp: fix configuration passed to setup_udp_tunnel_sock()
  bridge: Don't insert unnecessary local fdb entry on changing mac address
  tcp: record TLP and ER timer stats in v6 stats
  vxlan: Accept user specified MTU value when create new vxlan link
  team: don't call netdev_change_features under team->lock
  sfc: on MC reset, clear PIO buffer linkage in TXQs
  bpf, inode: disallow userns mounts
  uapi glibc compat: fix compilation when !__USE_MISC in glibc
  udp: prevent skbs lingering in tunnel socket queues
  bpf: Use mount_nodev not mount_ns to mount the bpf filesystem
  tuntap: correctly wake up process during uninit
  switchdev: pass pointer to fib_info instead of copy
  tipc: fix nametable publication field in nl compat
  netlink: Fix dump skb leak/double free
  tipc: check nl sock before parsing nested attributes
  scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
  scsi_lib: correctly retry failed zero length REQ_TYPE_FS commands
  cs-etm: associating output packet with CPU they executed on
  cs-etm: removing unecessary structure field
  cs-etm: account for each trace buffer in the queue
  cs-etm: avoid casting variable
  perf tools: fixing Makefile problems
  perf tools: new naming convention for openCSD
  perf scripts: Add python scripts for CoreSight traces
  perf tools: decoding capailitity for CoreSight traces
  perf symbols: Check before overwriting build_id
  perf tools: pushing driver configuration down to the kernel
  perf tools: add infrastructure for PMU specific configuration
  coresight: etm-perf: incorporating sink definition from the cmd line
  coresight: adding sink parameter to function coresight_build_path()
  perf: passing struct perf_event to function setup_aux()
  perf/core: adding PMU driver specific configuration
  perf tools: adding coresight etm PMU record capabilities
  perf tools: making coresight PMU listable
  coresight: tmc: implementing TMC-ETR AUX space API
  coresight: Add support for Juno platform
  coresight: Handle build path error
  coresight: Fix erroneous memset in tmc_read_unprepare_etr
  coresight: Fix tmc_read_unprepare_etr
  coresight: Fix NULL pointer dereference in _coresight_build_path
  ANDROID: dm verity fec: add missing release from fec_ktype
  ANDROID: dm verity fec: limit error correction recursion
  ANDROID: restrict access to perf events
  FROMLIST: security,perf: Allow further restriction of perf_event_open
  BACKPORT: perf tools: Document the perf sysctls
  Revert "armv6 dcc tty driver"
  Revert "arm: dcc_tty: fix armv6 dcc tty build failure"
  ARM64: Ignore Image-dtb from git point of view
  arm64: add option to build Image-dtb
  ANDROID: usb: gadget: f_midi: set fi->f to NULL when free f_midi function
  Linux 4.4.13
  xfs: handle dquot buffer readahead in log recovery correctly
  xfs: print name of verifier if it fails
  xfs: skip stale inodes in xfs_iflush_cluster
  xfs: fix inode validity check in xfs_iflush_cluster
  xfs: xfs_iflush_cluster fails to abort on error
  xfs: Don't wrap growfs AGFL indexes
  xfs: disallow rw remount on fs with unknown ro-compat features
  gcov: disable tree-loop-im to reduce stack usage
  scripts/package/Makefile: rpmbuild add support of RPMOPTS
  dma-debug: avoid spinlock recursion when disabling dma-debug
  PM / sleep: Handle failures in device_suspend_late() consistently
  ext4: silence UBSAN in ext4_mb_init()
  ext4: address UBSAN warning in mb_find_order_for_block()
  ext4: fix oops on corrupted filesystem
  ext4: clean up error handling when orphan list is corrupted
  ext4: fix hang when processing corrupted orphaned inode list
  drm/imx: Match imx-ipuv3-crtc components using device node in platform data
  drm/i915: Don't leave old junk in ilk active watermarks on readout
  drm/atomic: Verify connector->funcs != NULL when clearing states
  drm/fb_helper: Fix references to dev->mode_config.num_connector
  drm/i915/fbdev: Fix num_connector references in intel_fb_initial_config()
  drm/amdgpu: Fix hdmi deep color support.
  drm/amdgpu: use drm_mode_vrefresh() rather than mode->vrefresh
  drm/vmwgfx: Fix order of operation
  drm/vmwgfx: use vmw_cmd_dx_cid_check for query commands.
  drm/vmwgfx: Enable SVGA_3D_CMD_DX_SET_PREDICATION
  drm/gma500: Fix possible out of bounds read
  sunrpc: fix stripping of padded MIC tokens
  xen: use same main loop for counting and remapping pages
  xen/events: Don't move disabled irqs
  powerpc/eeh: Restore initial state in eeh_pe_reset_and_recover()
  Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
  powerpc/eeh: Don't report error in eeh_pe_reset_and_recover()
  powerpc/book3s64: Fix branching to OOL handlers in relocatable kernel
  pipe: limit the per-user amount of pages allocated in pipes
  QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
  wait/ptrace: assume __WALL if the child is traced
  mm: use phys_addr_t for reserve_bootmem_region() arguments
  media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32
  PCI: Disable all BAR sizing for devices with non-compliant BARs
  pinctrl: exynos5440: Use off-stack memory for pinctrl_gpio_range
  clk: bcm2835: divider value has to be 1 or more
  clk: bcm2835: pll_off should only update CM_PLL_ANARST
  clk: at91: fix check of clk_register() returned value
  clk: bcm2835: Fix PLL poweron
  cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()
  cpuidle: Indicate when a device has been unregistered
  PM / Runtime: Fix error path in pm_runtime_force_resume()
  mfd: intel_soc_pmic_core: Terminate panel control GPIO lookup table correctly
  mfd: intel-lpss: Save register context on suspend
  hwmon: (ads7828) Enable internal reference
  aacraid: Fix for KDUMP driver hang
  aacraid: Fix for aac_command_thread hang
  aacraid: Relinquish CPU during timeout wait
  rtlwifi: pci: use dev_kfree_skb_irq instead of kfree_skb in rtl_pci_reset_trx_ring
  rtlwifi: Fix logic error in enter/exit power-save mode
  rtlwifi: btcoexist: Implement antenna selection
  rtlwifi: rtl8723be: Add antenna select module parameter
  hwrng: exynos - Fix unbalanced PM runtime put on timeout error path
  ath5k: Change led pin configuration for compaq c700 laptop
  ath10k: fix kernel panic, move arvifs list head init before htt init
  ath10k: fix rx_channel during hw reconfigure
  ath10k: fix firmware assert in monitor mode
  ath10k: fix debugfs pktlog_filter write
  ath9k: Fix LED polarity for some Mini PCI AR9220 MB92 cards.
  ath9k: Add a module parameter to invert LED polarity.
  ARM: dts: imx35: restore existing used clock enumeration
  ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
  ARM: dts: at91: fix typo in sama5d2 PIN_PD24 description
  ARM: mvebu: fix GPIO config on the Linksys boards
  Input: uinput - handle compat ioctl for UI_SET_PHYS
  ASoC: ak4642: Enable cache usage to fix crashes on resume
  affs: fix remount failure when there are no options changed
  MIPS: VDSO: Build with `-fno-strict-aliasing'
  MIPS: lib: Mark intrinsics notrace
  MIPS: Build microMIPS VDSO for microMIPS kernels
  MIPS: Fix sigreturn via VDSO on microMIPS kernel
  MIPS: ptrace: Prevent writes to read-only FCSR bits
  MIPS: ptrace: Fix FP context restoration FCSR regression
  MIPS: Disable preemption during prctl(PR_SET_FP_MODE, ...)
  MIPS: Prevent "restoration" of MSA context in non-MSA kernels
  MIPS: Fix MSA ld_*/st_* asm macros to use PTR_ADDU
  MIPS: Use copy_s.fmt rather than copy_u.fmt
  MIPS: Loongson-3: Reserve 32MB for RS780E integrated GPU
  MIPS: Reserve nosave data for hibernation
  MIPS: ath79: make bootconsole wait for both THRE and TEMT
  MIPS: Sync icache & dcache in set_pte_at
  MIPS: Handle highmem pages in __update_cache
  MIPS: Flush highmem pages in __flush_dcache_page
  MIPS: Fix watchpoint restoration
  MIPS: Fix uapi include in exported asm/siginfo.h
  MIPS: Fix siginfo.h to use strict posix types
  MIPS: Avoid using unwind_stack() with usermode
  MIPS: Don't unwind to user mode with EVA
  MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC
  MIPS: math-emu: Fix jalr emulation when rd == $0
  MIPS64: R6: R2 emulation bugfix
  coresight: etb10: adjust read pointer only when needed
  coresight: configuring ETF in FIFO mode when acting as link
  coresight: tmc: implementing TMC-ETF AUX space API
  coresight: moving struct cs_buffers to header file
  coresight: tmc: keep track of memory width
  coresight: tmc: make sysFS and Perf mode mutually exclusive
  coresight: tmc: dump system memory content only when needed
  coresight: tmc: adding mode of operation for link/sinks
  coresight: tmc: getting rid of multiple read access
  coresight: tmc: allocating memory when needed
  coresight: tmc: making prepare/unprepare functions generic
  coresight: tmc: splitting driver in ETB/ETF and ETR components
  coresight: tmc: cleaning up header file
  coresight: tmc: introducing new header file
  coresight: tmc: clearly define number of transfers per burst
  coresight: tmc: re-implementing tmc_read_prepare/unprepare() functions
  coresight: tmc: waiting for TMCReady bit before programming
  coresight: tmc: modifying naming convention
  coresight: tmc: adding sysFS management entries
  coresight: etm4x: add tracer ID for A72 Maia processor.
  coresight: etb10: fixing the right amount of words to read
  coresight: stm: adding driver for CoreSight STM component
  coresight: adding path for STM device
  coresight: etm4x: modify q_support type
  coresight: no need to do the forced type conversion
  coresight: removing gratuitous boot time log messages
  coresight: etb10: splitting sysFS "status" entry
  coresight: moving coresight_simple_func() to header file
  coresight: etm4x: implementing the perf PMU API
  coresight: etm4x: implementing user/kernel mode tracing
  coresight: etm4x: moving etm_drvdata::enable to atomic field
  coresight: etm4x: unlocking tracers in default arch init
  coresight: etm4x: splitting etmv4 default configuration
  coresight: etm4x: splitting struct etmv4_drvdata
  coresight: etm4x: adding config and traceid registers
  coresight: etm4x: moving sysFS entries to a dedicated file
  stm class: Support devices that override software assigned masters
  stm class: Remove unnecessary pointer increment
  stm class: Fix stm device initialization order
  stm class: Do not leak the chrdev in error path
  stm class: Remove a pointless line
  stm class: stm_heartbeat: Make nr_devs parameter read-only
  stm class: dummy_stm: Make nr_dummies parameter read-only
  MAINTAINERS: Add a git tree for the stm class
  perf/ring_buffer: Document AUX API usage
  perf/core: Free AUX pages in unmap path
  perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count drops
  perf auxtrace: Add perf_evlist pointer to *info_priv_size()
  perf session: Simplify tool stubs
  perf inject: Hit all DSOs for AUX data in JIT and other cases
  perf tools: tracepoint_error() can receive e=NULL, robustify it
  perf evlist: Make perf_evlist__open() open evsels with their cpus and threads (like perf record does)
  perf evsel: Introduce disable() method
  perf cpumap: Auto initialize cpu__max_{node,cpu}
  drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
  drivers/hwtracing: make coresight-* explicitly non-modular
  coresight: introducing a global trace ID function
  coresight: etm-perf: new PMU driver for ETM tracers
  coresight: etb10: implementing AUX API
  coresight: etb10: adding operation mode for sink->enable()
  coresight: etb10: moving to local atomic operations
  coresight: etm3x: implementing perf_enable/disable() API
  coresight: etm3x: implementing user/kernel mode tracing
  coresight: etm3x: consolidating initial config
  coresight: etm3x: changing default trace configuration
  coresight: etm3x: set progbit to stop trace collection
  coresight: etm3x: adding operation mode for etm_enable()
  coresight: etm3x: splitting struct etm_drvdata
  coresight: etm3x: unlocking tracers in default arch init
  coresight: etm3x: moving sysFS entries to dedicated file
  coresight: etm3x: moving etm_readl/writel to header file
  coresight: moving PM runtime operations to core framework
  coresight: add API to get sink from path
  coresight: associating path with session rather than tracer
  coresight: etm4x: Check every parameter used by dma_xx_coherent.
  coresight: "DEVICE_ATTR_RO" should defined as static.
  coresight: implementing 'cpu_id()' API
  coresight: removing bind/unbind options from sysfs
  coresight: remove csdev's link from topology
  coresight: release reference taken by 'bus_find_device()'
  coresight: coresight_unregister() function cleanup
  coresight: fixing lockdep error
  coresight: fixing indentation problem
  coresight: Fix a typo in Kconfig
  coresight: checking for NULL string in coresight_name_match()
  perf/core: Disable the event on a truncated AUX record
  perf/core: Don't leak event in the syscall error path
  perf/core: Fix perf_sched_count derailment
  stm class: dummy_stm: Add link callback for fault injection
  stm class: Plug stm device's unlink callback
  stm class: Fix a race in unlinking
  stm class: Fix unbalanced module/device refcounting
  stm class: Guard output assignment against concurrency
  stm class: Fix unlocking braino in the error path
  stm class: Add heartbeat stm source device
  stm class: dummy_stm: Create multiple devices
  stm class: Support devices with multiple instances
  stm class: Use driver's packet callback return value
  stm class: Prevent user-controllable allocations
  stm class: Fix link list locking
  stm class: Fix locking in unbinding policy path
  stm class: Select CONFIG_SRCU
  stm class: Hide STM-specific options if STM is disabled
  perf: Synchronously free aux pages in case of allocation failure
  Linux 4.4.12
  kbuild: move -Wunused-const-variable to W=1 warning level
  Revert "scsi: fix soft lockup in scsi_remove_target() on module removal"
  scsi: Add intermediate STARGET_REMOVE state to scsi_target_state
  hpfs: implement the show_options method
  hpfs: fix remount failure when there are no options changed
  UBI: Fix static volume checks when Fastmap is used
  SIGNAL: Move generic copy_siginfo() to signal.h
  thunderbolt: Fix double free of drom buffer
  IB/srp: Fix a debug kernel crash
  ALSA: hda - Fix headset mic detection problem for one Dell machine
  ALSA: hda/realtek - Add support for ALC295/ALC3254
  ALSA: hda - Fix headphone noise on Dell XPS 13 9360
  ALSA: hda/realtek - New codecs support for ALC234/ALC274/ALC294
  mcb: Fixed bar number assignment for the gdd
  clk: bcm2835: add locking to pll*_on/off methods
  locking,qspinlock: Fix spin_is_locked() and spin_unlock_wait()
  serial: samsung: Reorder the sequence of clock control when call s3c24xx_serial_set_termios()
  serial: 8250_mid: recognize interrupt source in handler
  serial: 8250_mid: use proper bar for DNV platform
  serial: 8250_pci: fix divide error bug if baud rate is 0
  Fix OpenSSH pty regression on close
  tty/serial: atmel: fix hardware handshake selection
  TTY: n_gsm, fix false positive WARN_ON
  tty: vt, return error when con_startup fails
  xen/x86: actually allocate legacy interrupts on PV guests
  KVM: x86: mask CPUID(0xD,0x1).EAX against host value
  MIPS: KVM: Fix timer IRQ race when writing CP0_Compare
  MIPS: KVM: Fix timer IRQ race when freezing timer
  KVM: x86: fix ordering of cr0 initialization code in vmx_cpu_reset
  KVM: MTRR: remove MSR 0x2f8
  staging: comedi: das1800: fix possible NULL dereference
  usb: gadget: udc: core: Fix argument of dev_err() in usb_gadget_map_request()
  USB: leave LPM alone if possible when binding/unbinding interface drivers
  usb: misc: usbtest: fix pattern tests for scatterlists.
  usb: f_mass_storage: test whether thread is running before starting another
  usb: gadget: f_fs: Fix EFAULT generation for async read operations
  USB: serial: option: add even more ZTE device ids
  USB: serial: option: add more ZTE device ids
  USB: serial: option: add support for Cinterion PH8 and AHxx
  USB: serial: io_edgeport: fix memory leaks in probe error path
  USB: serial: io_edgeport: fix memory leaks in attach error path
  USB: serial: quatech2: fix use-after-free in probe error path
  USB: serial: keyspan: fix use-after-free in probe error path
  USB: serial: mxuport: fix use-after-free in probe error path
  mei: bus: call mei_cl_read_start under device lock
  mei: amthif: discard not read messages
  mei: fix NULL dereferencing during FW initiated disconnection
  Bluetooth: vhci: Fix race at creating hci device
  Bluetooth: vhci: purge unhandled skbs
  Bluetooth: vhci: fix open_timeout vs. hdev race
  mmc: sdhci-pci: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers
  mmc: longer timeout for long read time quirk
  dell-rbtn: Ignore ACPI notifications if device is suspended
  ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings
  mmc: sdhci-acpi: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers
  mmc: mmc: Fix partition switch timeout for some eMMCs
  can: fix handling of unmodifiable configuration options
  irqchip/gic-v3: Configure all interrupts as non-secure Group-1
  irqchip/gic: Ensure ordering between read of INTACK and shared data
  Input: pwm-beeper - fix - scheduling while atomic
  mfd: omap-usb-tll: Fix scheduling while atomic BUG
  sched/loadavg: Fix loadavg artifacts on fully idle and on fully loaded systems
  clk: qcom: msm8916: Fix crypto clock flags
  crypto: sun4i-ss - Replace spinlock_bh by spin_lock_irq{save|restore}
  crypto: talitos - fix ahash algorithms registration
  crypto: caam - fix caam_jr_alloc() ret code
  ring-buffer: Prevent overflow of size in ring_buffer_resize()
  ring-buffer: Use long for nr_pages to avoid overflow failures
  asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
  fs/cifs: correctly to anonymous authentication for the NTLM(v2) authentication
  fs/cifs: correctly to anonymous authentication for the NTLM(v1) authentication
  fs/cifs: correctly to anonymous authentication for the LANMAN authentication
  fs/cifs: correctly to anonymous authentication via NTLMSSP
  remove directory incorrectly tries to set delete on close on non-empty directories
  kvm: arm64: Fix EC field in inject_abt64
  arm/arm64: KVM: Enforce Break-Before-Make on Stage-2 page tables
  arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str
  arm64: Implement pmdp_set_access_flags() for hardware AF/DBM
  arm64: Implement ptep_set_access_flags() for hardware AF/DBM
  arm64: Ensure pmd_present() returns false after pmd_mknotpresent()
  arm64: Fix typo in the pmdp_huge_get_and_clear() definition
  ext4: iterate over buffer heads correctly in move_extent_per_page()
  perf test: Fix build of BPF and LLVM on older glibc libraries
  perf/core: Fix perf_event_open() vs. execve() race
  perf/x86/intel/pt: Generate PMI in the STOP region as well
  Btrfs: don't use src fd for printk
  UPSTREAM: mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
  Revert "drivers: power: use 'current' instead of 'get_current()'"
  cpufreq: interactive: drop cpufreq_{get,put}_global_kobject func calls
  Revert "cpufreq: interactive: build fixes for 4.4"
  xt_qtaguid: Fix panic caused by processing non-full socket.
  fiq_debugger: Add fiq_debugger.disable option
  UPSTREAM: procfs: fixes pthread cross-thread naming if !PR_DUMPABLE
  FROMLIST: wlcore: Disable filtering in AP role
  Revert "drivers: power: Add watchdog timer to catch drivers which lockup during suspend."
  fiq_debugger: Add option to apply uart overlay by FIQ_DEBUGGER_UART_OVERLAY
  Revert "Recreate asm/mach/mmc.h include file"
  Revert "ARM: Add 'card_present' state to mmc_platfrom_data"
  usb: dual-role: make stub functions inline
  Revert "mmc: Add status IRQ and status callback function to mmc platform data"
  quick selinux support for tracefs
  Revert "hid-multitouch: Filter collections by application usage."
  Revert "HID: steelseries: validate output report details"
  xt_qtaguid: Fix panic caused by synack processing
  Revert "mm: vmscan: Add a debug file for shrinkers"
  Revert "SELinux: Enable setting security contexts on rootfs inodes."
  Revert "SELinux: build fix for 4.1"
  fuse: Add support for d_canonical_path
  vfs: change d_canonical_path to take two paths
  android: recommended.cfg: remove CONFIG_UID_STAT
  netfilter: xt_qtaguid: seq_printf fixes
  Revert "misc: uidstat: Adding uid stat driver to collect network statistics."
  Revert "net: activity_stats: Add statistics for network transmission activity"
  Revert "net: activity_stats: Stop using obsolete create_proc_read_entry api"
  Revert "misc: uidstat: avoid create_stat() race and blockage."
  Revert "misc: uidstat: Remove use of obsolete create_proc_read_entry api"
  Revert "misc seq_printf fixes for 4.4"
  Revert "misc: uid_stat: Include linux/atomic.h instead of asm/atomic.h"
  Revert "net: socket ioctl to reset connections matching local address"
  Revert "net: fix iterating over hashtable in tcp_nuke_addr()"
  Revert "net: fix crash in tcp_nuke_addr()"
  Revert "Don't kill IPv4 sockets when killing IPv6 sockets was requested."
  Revert "tcp: Fix IPV6 module build errors"
  android: base-cfg: remove CONFIG_SWITCH
  Revert "switch: switch class and GPIO drivers."
  Revert "drivers: switch: remove S_IWUSR from dev_attr"
  ANDROID: base-cfg: enable CONFIG_IP_NF_NAT
  BACKPORT: selinux: restrict kernel module loading
  android: base-cfg: enable CONFIG_QUOTA

Conflicts:
	Documentation/sysctl/kernel.txt
	drivers/cpufreq/cpufreq_interactive.c
	drivers/hwtracing/coresight/Kconfig
	drivers/hwtracing/coresight/Makefile
	drivers/hwtracing/coresight/coresight-etm4x.c
	drivers/hwtracing/coresight/coresight-etm4x.h
	drivers/hwtracing/coresight/coresight-priv.h
	drivers/hwtracing/coresight/coresight-stm.c
	drivers/hwtracing/coresight/coresight-tmc.c
	drivers/mmc/core/core.c
	include/linux/coresight-stm.h
	include/linux/coresight.h
	include/linux/msm_mdp.h
	include/uapi/linux/coresight-stm.h
	kernel/events/core.c
	kernel/sched/fair.c
	net/Makefile
	net/ipv4/netfilter/arp_tables.c
	net/ipv4/netfilter/ip_tables.c
	net/ipv4/tcp.c
	net/ipv6/netfilter/ip6_tables.c
	net/netfilter/xt_quota2.c
	sound/core/pcm.c

Change-Id: I17aa0002815014e9bddc47e67769a53c15768a99
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
This commit is contained in:
Runmin Wang 2016-10-27 10:52:15 -07:00
commit 9cc5c789d9
600 changed files with 10001 additions and 4028 deletions

View file

@ -1,4 +1,4 @@
What /sys/bus/iio/devices/iio:deviceX/in_proximity_raw
What /sys/bus/iio/devices/iio:deviceX/in_proximity_input
Date: March 2014
KernelVersion: 3.15
Contact: Matt Ranostay <mranostay@gmail.com>

View file

@ -12,3 +12,13 @@ KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description:
Shows the number of channels per master on this STM device.
What: /sys/class/stm/<stm>/hw_override
Date: March 2016
KernelVersion: 4.7
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description:
Reads as 0 if master numbers in the STP stream produced by
this stm device will match the master numbers assigned by
the software or 1 if the stm hardware overrides software
assigned masters.

View file

@ -94,6 +94,7 @@ clocks and IDs.
csi_sel 79
iim_gate 80
gpu2d_gate 81
ckli_gate 82
Examples:

View file

@ -43,6 +43,7 @@ Table of Contents
3.7 /proc/<pid>/task/<tid>/children - Information about task children
3.8 /proc/<pid>/fdinfo/<fd> - Information about opened file
3.9 /proc/<pid>/map_files - Information about memory mapped files
3.10 /proc/<pid>/timerslack_ns - Task timerslack value
4 Configuring procfs
4.1 Mount options
@ -1876,6 +1877,23 @@ time one can open(2) mappings from the listings of two processes and
comparing their inode numbers to figure out which anonymous memory areas
are actually shared.
3.10 /proc/<pid>/timerslack_ns - Task timerslack value
---------------------------------------------------------
This file provides the value of the task's timerslack value in nanoseconds.
This value specifies a amount of time that normal timers may be deferred
in order to coalesce timers and avoid unnecessary wakeups.
This allows a task's interactivity vs power consumption trade off to be
adjusted.
Writing 0 to the file will set the tasks timerslack to the default value.
Valid values are from 0 - ULLONG_MAX
An application setting the value must have PTRACE_MODE_ATTACH_FSCREDS level
permissions on the task specified to change its timerslack_ns value.
------------------------------------------------------------------------------
Configuring procfs
------------------------------------------------------------------------------

View file

@ -263,19 +263,23 @@ scmd->allowed.
3. scmd recovered
ACTION: scsi_eh_finish_cmd() is invoked to EH-finish scmd
- shost->host_failed--
- clear scmd->eh_eflags
- scsi_setup_cmd_retry()
- move from local eh_work_q to local eh_done_q
LOCKING: none
CONCURRENCY: at most one thread per separate eh_work_q to
keep queue manipulation lockless
4. EH completes
ACTION: scsi_eh_flush_done_q() retries scmds or notifies upper
layer of failure.
layer of failure. May be called concurrently but must have
a no more than one thread per separate eh_work_q to
manipulate the queue locklessly
- scmd is removed from eh_done_q and scmd->eh_entry is cleared
- if retry is necessary, scmd is requeued using
scsi_queue_insert()
- otherwise, scsi_finish_command() is invoked for scmd
- zero shost->host_failed
LOCKING: queue or finish function performs appropriate locking

View file

@ -213,9 +213,6 @@ TTY_IO_ERROR If set, causes all subsequent userspace read/write
TTY_OTHER_CLOSED Device is a pty and the other side has closed.
TTY_OTHER_DONE Device is a pty and the other side has closed and
all pending input processing has been completed.
TTY_NO_WRITE_SPLIT Prevent driver from splitting up writes into
smaller chunks.

View file

@ -32,6 +32,8 @@ Currently, these files are in /proc/sys/fs:
- nr_open
- overflowuid
- overflowgid
- pipe-user-pages-hard
- pipe-user-pages-soft
- protected_hardlinks
- protected_symlinks
- suid_dumpable
@ -159,6 +161,27 @@ The default is 65534.
==============================================================
pipe-user-pages-hard:
Maximum total number of pages a non-privileged user may allocate for pipes.
Once this limit is reached, no new pipes may be allocated until usage goes
below the limit again. When set to 0, no limit is applied, which is the default
setting.
==============================================================
pipe-user-pages-soft:
Maximum total number of pages a non-privileged user may allocate for pipes
before the pipe size gets limited to a single page. Once this limit is reached,
new pipes will be limited to a single page in size for this user in order to
limit total memory usage, and trying to increase them using fcntl() will be
denied until usage goes below the limit again. The default value allows to
allocate up to 1024 pipes at their default size. When set to 0, no limit is
applied.
==============================================================
protected_hardlinks:
A long-standing class of security issues is the hardlink-based

View file

@ -60,6 +60,7 @@ show up in /proc/sys/kernel:
- panic_on_stackoverflow
- panic_on_unrecovered_nmi
- panic_on_warn
- perf_cpu_time_max_percent
- perf_event_paranoid
- pid_max
- powersave-nap [ PPC only ]

View file

@ -1007,6 +1007,10 @@ F: drivers/hwtracing/coresight/*
F: Documentation/trace/coresight.txt
F: Documentation/devicetree/bindings/arm/coresight.txt
F: Documentation/ABI/testing/sysfs-bus-coresight-devices-*
F: tools/perf/arch/arm/util/pmu.c
F: tools/perf/arch/arm/util/auxtrace.c
F: tools/perf/arch/arm/util/cs_etm.c
F: tools/perf/arch/arm/util/cs_etm.h
ARM/CORGI MACHINE SUPPORT
M: Richard Purdie <rpurdie@rpsys.net>
@ -9356,6 +9360,7 @@ F: drivers/mmc/host/dw_mmc*
SYSTEM TRACE MODULE CLASS
M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm.git
F: Documentation/trace/stm.txt
F: drivers/hwtracing/stm/
F: include/linux/stm.h

View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 11
SUBLEVEL = 16
EXTRAVERSION =
NAME = Blurry Fish Butt
@ -368,7 +368,7 @@ AFLAGS_MODULE =
LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im
# Use USERINCLUDE when you must reference the UAPI directories only.
@ -686,9 +686,10 @@ KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
else
# This warning generated too much noise in a regular build.
# Use make W=1 to enable this warning (see scripts/Makefile.build)
# These warnings generated too much noise in a regular build.
# Use make W=1 to enable them (see scripts/Makefile.build)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
endif
ifdef CONFIG_FRAME_POINTER

View file

@ -37,7 +37,6 @@ CONFIG_IP6_NF_IPTABLES=y
CONFIG_IP6_NF_MANGLE=y
CONFIG_IP6_NF_RAW=y
CONFIG_IP6_NF_TARGET_REJECT=y
CONFIG_IP6_NF_TARGET_REJECT_SKERR=y
CONFIG_IPV6=y
CONFIG_IPV6_MIP6=y
CONFIG_IPV6_MULTIPLE_TABLES=y
@ -57,13 +56,13 @@ CONFIG_IP_NF_MANGLE=y
CONFIG_IP_NF_MATCH_AH=y
CONFIG_IP_NF_MATCH_ECN=y
CONFIG_IP_NF_MATCH_TTL=y
CONFIG_IP_NF_NAT=y
CONFIG_IP_NF_RAW=y
CONFIG_IP_NF_SECURITY=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_TARGET_NETMAP=y
CONFIG_IP_NF_TARGET_REDIRECT=y
CONFIG_IP_NF_TARGET_REJECT=y
CONFIG_IP_NF_TARGET_REJECT_SKERR=y
CONFIG_NET=y
CONFIG_NETDEVICES=y
CONFIG_NETFILTER=y
@ -138,18 +137,20 @@ CONFIG_PPP_BSDCOMP=y
CONFIG_PPP_DEFLATE=y
CONFIG_PPP_MPPE=y
CONFIG_PREEMPT=y
CONFIG_RESOURCE_COUNTERS=y
CONFIG_PROFILING=y
CONFIG_QUOTA=y
CONFIG_RTC_CLASS=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_PERF_EVENTS_RESTRICT=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SETEND_EMULATION=y
CONFIG_STAGING=y
CONFIG_SWITCH=y
CONFIG_SWP_EMULATION=y
CONFIG_SYNC=y
CONFIG_TUN=y
CONFIG_UID_CPUTIME=y
CONFIG_UNIX=y
CONFIG_USB_GADGET=y
CONFIG_USB_CONFIGFS=y

View file

@ -110,7 +110,6 @@ CONFIG_TABLET_USB_AIPTEK=y
CONFIG_TABLET_USB_GTCO=y
CONFIG_TABLET_USB_HANWANG=y
CONFIG_TABLET_USB_KBTAB=y
CONFIG_TABLET_USB_WACOM=y
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
@ -119,7 +118,6 @@ CONFIG_TIMER_STATS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_UHID=y
CONFIG_UID_STAT=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_HIDDEV=y

View file

@ -387,7 +387,7 @@ config ARC_HAS_LLSC
config ARC_STAR_9000923308
bool "Workaround for llock/scond livelock"
default y
default n
depends on ISA_ARCV2 && SMP && ARC_HAS_LLSC
config ARC_HAS_SWAPE

View file

@ -332,10 +332,6 @@ static void arc_chk_core_config(void)
pr_warn("CONFIG_ARC_FPU_SAVE_RESTORE needed for working apps\n");
else if (!cpu->extn.fpu_dp && fpu_enabled)
panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n");
if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic &&
!IS_ENABLED(CONFIG_ARC_STAR_9000923308))
panic("llock/scond livelock workaround missing\n");
}
/*

View file

@ -58,8 +58,8 @@
soc {
ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
MBUS_ID(0x09, 0x09) 0 0xf1100000 0x10000
MBUS_ID(0x09, 0x05) 0 0xf1110000 0x10000>;
MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;
internal-regs {
@ -245,7 +245,7 @@
button@2 {
label = "Factory Reset Button";
linux,code = <KEY_RESTART>;
gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
};
};
@ -260,7 +260,7 @@
};
sata {
gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
default-state = "off";
};
};
@ -313,7 +313,7 @@
&pinctrl {
keys_pin: keys-pin {
marvell,pins = "mpp24", "mpp47";
marvell,pins = "mpp24", "mpp29";
marvell,function = "gpio";
};

View file

@ -304,13 +304,13 @@
button@1 {
label = "WPS";
linux,code = <KEY_WPS_BUTTON>;
gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
};
button@2 {
label = "Factory Reset Button";
linux,code = <KEY_RESTART>;
gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
};
};

View file

@ -298,6 +298,8 @@
compatible = "maxim,max8997-pmic";
reg = <0x66>;
interrupt-parent = <&gpx0>;
interrupts = <7 0>;
max8997,pmic-buck1-uses-gpio-dvs;
max8997,pmic-buck2-uses-gpio-dvs;

View file

@ -837,8 +837,8 @@
#define PIN_PD23__ISC_FIELD PINMUX_PIN(PIN_PD23, 6, 4)
#define PIN_PD24 120
#define PIN_PD24__GPIO PINMUX_PIN(PIN_PD24, 0, 0)
#define PIN_PD24__UTXD2 PINMUX_PIN(PIN_PD23, 1, 2)
#define PIN_PD24__FLEXCOM4_IO3 PINMUX_PIN(PIN_PD23, 3, 3)
#define PIN_PD24__UTXD2 PINMUX_PIN(PIN_PD24, 1, 2)
#define PIN_PD24__FLEXCOM4_IO3 PINMUX_PIN(PIN_PD24, 3, 3)
#define PIN_PD25 121
#define PIN_PD25__GPIO PINMUX_PIN(PIN_PD25, 0, 0)
#define PIN_PD25__SPI1_SPCK PINMUX_PIN(PIN_PD25, 1, 3)

View file

@ -52,7 +52,7 @@
/ {
model = "NextThing C.H.I.P.";
compatible = "nextthing,chip", "allwinner,sun5i-r8";
compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";
aliases {
i2c0 = &i2c0;

View file

@ -1,28 +0,0 @@
/*
* arch/arm/include/asm/mach/mmc.h
*/
#ifndef ASMARM_MACH_MMC_H
#define ASMARM_MACH_MMC_H
#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
#include <linux/mmc/sdio_func.h>
struct embedded_sdio_data {
struct sdio_cis cis;
struct sdio_cccr cccr;
struct sdio_embedded_func *funcs;
int num_funcs;
};
struct mmc_platform_data {
unsigned int ocr_mask; /* available voltages */
int built_in; /* built-in device flag */
int card_present; /* card detect state */
u32 (*translate_vdd)(struct device *, unsigned int);
unsigned int (*status)(struct device *);
struct embedded_sdio_data *embedded_sdio;
int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id);
};
#endif

View file

@ -193,6 +193,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
#define pmd_large(pmd) (pmd_val(pmd) & 2)
#define pmd_bad(pmd) (pmd_val(pmd) & 2)
#define pmd_present(pmd) (pmd_val(pmd))
#define copy_pmd(pmdpd,pmdps) \
do { \

View file

@ -212,6 +212,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
: !!(pmd_val(pmd) & (val)))
#define pmd_isclear(pmd, val) (!(pmd_val(pmd) & (val)))
#define pmd_present(pmd) (pmd_isset((pmd), L_PMD_SECT_VALID))
#define pmd_young(pmd) (pmd_isset((pmd), PMD_SECT_AF))
#define pte_special(pte) (pte_isset((pte), L_PTE_SPECIAL))
static inline pte_t pte_mkspecial(pte_t pte)
@ -257,10 +258,10 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF);
#define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
#define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot)
/* represent a notpresent pmd by zero, this is used by pmdp_invalidate */
/* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */
static inline pmd_t pmd_mknotpresent(pmd_t pmd)
{
return __pmd(0);
return __pmd(pmd_val(pmd) & ~L_PMD_SECT_VALID);
}
static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)

View file

@ -182,7 +182,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
#define pgd_offset_k(addr) pgd_offset(&init_mm, addr)
#define pmd_none(pmd) (!pmd_val(pmd))
#define pmd_present(pmd) (pmd_val(pmd))
static inline pte_t *pmd_page_vaddr(pmd_t pmd)
{

View file

@ -733,8 +733,8 @@ static int vfp_set(struct task_struct *target,
if (ret)
return ret;
vfp_flush_hwstate(thread);
thread->vfpstate.hard = new_vfp;
vfp_flush_hwstate(thread);
return 0;
}

View file

@ -886,11 +886,14 @@ static int stage2_set_pmd_huge(struct kvm *kvm, struct kvm_mmu_memory_cache
VM_BUG_ON(pmd_present(*pmd) && pmd_pfn(*pmd) != pmd_pfn(*new_pmd));
old_pmd = *pmd;
kvm_set_pmd(pmd, *new_pmd);
if (pmd_present(old_pmd))
if (pmd_present(old_pmd)) {
pmd_clear(pmd);
kvm_tlb_flush_vmid_ipa(kvm, addr);
else
} else {
get_page(virt_to_page(pmd));
}
kvm_set_pmd(pmd, *new_pmd);
return 0;
}
@ -939,12 +942,14 @@ static int stage2_set_pte(struct kvm *kvm, struct kvm_mmu_memory_cache *cache,
/* Create 2nd stage page table mapping - Level 3 */
old_pte = *pte;
kvm_set_pte(pte, *new_pte);
if (pte_present(old_pte))
if (pte_present(old_pte)) {
kvm_set_pte(pte, __pte(0));
kvm_tlb_flush_vmid_ipa(kvm, addr);
else
} else {
get_page(virt_to_page(pte));
}
kvm_set_pte(pte, *new_pte);
return 0;
}

View file

@ -46,7 +46,7 @@ static int ksz8081_phy_fixup(struct phy_device *dev)
static void __init imx6ul_enet_phy_init(void)
{
if (IS_BUILTIN(CONFIG_PHYLIB))
phy_register_fixup_for_uid(PHY_ID_KSZ8081, 0xffffffff,
phy_register_fixup_for_uid(PHY_ID_KSZ8081, MICREL_PHY_ID_MASK,
ksz8081_phy_fixup);
}

View file

@ -162,22 +162,16 @@ exit:
}
/*
* This ioremap hook is used on Armada 375/38x to ensure that PCIe
* memory areas are mapped as MT_UNCACHED instead of MT_DEVICE. This
* is needed as a workaround for a deadlock issue between the PCIe
* interface and the cache controller.
* This ioremap hook is used on Armada 375/38x to ensure that all MMIO
* areas are mapped as MT_UNCACHED instead of MT_DEVICE. This is
* needed for the HW I/O coherency mechanism to work properly without
* deadlock.
*/
static void __iomem *
armada_pcie_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
unsigned int mtype, void *caller)
armada_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
unsigned int mtype, void *caller)
{
struct resource pcie_mem;
mvebu_mbus_get_pcie_mem_aperture(&pcie_mem);
if (pcie_mem.start <= phys_addr && (phys_addr + size) <= pcie_mem.end)
mtype = MT_UNCACHED;
mtype = MT_UNCACHED;
return __arm_ioremap_caller(phys_addr, size, mtype, caller);
}
@ -186,7 +180,7 @@ static void __init armada_375_380_coherency_init(struct device_node *np)
struct device_node *cache_dn;
coherency_cpu_base = of_iomap(np, 0);
arch_ioremap_caller = armada_pcie_wa_ioremap_caller;
arch_ioremap_caller = armada_wa_ioremap_caller;
/*
* We should switch the PL310 to I/O coherency mode only if

View file

@ -73,7 +73,7 @@ config DEBUG_RODATA
If in doubt, say Y
config DEBUG_ALIGN_RODATA
depends on DEBUG_RODATA && ARM64_4K_PAGES
depends on DEBUG_RODATA
bool "Align linker sections up to SECTION_SIZE"
help
If this option is enabled, sections that may potentially be marked as

View file

@ -116,7 +116,7 @@ dtbs: prepare scripts
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
Image.gz-dtb: vmlinux scripts dtbs
Image-dtb Image.gz-dtb: vmlinux scripts dtbs
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
PHONY += vdso_install

View file

@ -1,3 +1,4 @@
Image
Image-dtb
Image.gz
Image.gz-dtb

View file

@ -30,6 +30,9 @@ $(obj)/Image: vmlinux FORCE
$(obj)/Image.bz2: $(obj)/Image FORCE
$(call if_changed,bzip2)
$(obj)/Image-dtb: $(obj)/Image $(DTB_OBJS) FORCE
$(call if_changed,cat)
$(obj)/Image.gz: $(obj)/Image FORCE
$(call if_changed,gzip)

View file

@ -143,5 +143,310 @@
<&A53_3>;
};
etr@20070000 {
compatible = "arm,coresight-tmc", "arm,primecell";
reg = <0 0x20070000 0 0x1000>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
etr_in_port: endpoint {
slave-mode;
remote-endpoint = <&replicator_out_port1>;
};
};
};
tpiu@20030000 {
compatible = "arm,coresight-tpiu", "arm,primecell";
reg = <0 0x20030000 0 0x1000>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
tpiu_in_port: endpoint {
slave-mode;
remote-endpoint = <&replicator_out_port0>;
};
};
};
replicator@20020000 {
/* non-configurable replicators don't show up on the
* AMBA bus. As such no need to add "arm,primecell".
*/
compatible = "arm,coresight-replicator";
ports {
#address-cells = <1>;
#size-cells = <0>;
/* replicator output ports */
port@0 {
reg = <0>;
replicator_out_port0: endpoint {
remote-endpoint = <&tpiu_in_port>;
};
};
port@1 {
reg = <1>;
replicator_out_port1: endpoint {
remote-endpoint = <&etr_in_port>;
};
};
/* replicator input port */
port@2 {
reg = <0>;
replicator_in_port0: endpoint {
slave-mode;
remote-endpoint = <&etf_out_port>;
};
};
};
};
etf@20010000 {
compatible = "arm,coresight-tmc", "arm,primecell";
reg = <0 0x20010000 0 0x1000>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
ports {
#address-cells = <1>;
#size-cells = <0>;
/* input port */
port@0 {
reg = <0>;
etf_in_port: endpoint {
slave-mode;
remote-endpoint =
<&main_funnel_out_port>;
};
};
/* output port */
port@1 {
reg = <0>;
etf_out_port: endpoint {
remote-endpoint =
<&replicator_in_port0>;
};
};
};
};
main_funnel@20040000 {
compatible = "arm,coresight-funnel", "arm,primecell";
reg = <0 0x20040000 0 0x1000>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
main_funnel_out_port: endpoint {
remote-endpoint =
<&etf_in_port>;
};
};
port@1 {
reg = <0>;
main_funnel_in_port0: endpoint {
slave-mode;
remote-endpoint =
<&A72_57_funnel_out_port>;
};
};
port@2 {
reg = <1>;
main_funnel_in_port1: endpoint {
slave-mode;
remote-endpoint = <&A53_funnel_out_port>;
};
};
};
};
A72_57_funnel@220c0000 {
compatible = "arm,coresight-funnel", "arm,primecell";
reg = <0 0x220c0000 0 0x1000>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
A72_57_funnel_out_port: endpoint {
remote-endpoint =
<&main_funnel_in_port0>;
};
};
port@1 {
reg = <0>;
A72_57_funnel_in_port0: endpoint {
slave-mode;
remote-endpoint =
<&A72_57_etm0_out_port>;
};
};
port@2 {
reg = <1>;
A72_57_funnel_in_port1: endpoint {
slave-mode;
remote-endpoint =
<&A72_57_etm1_out_port>;
};
};
};
};
A53_funnel@220c0000 {
compatible = "arm,coresight-funnel", "arm,primecell";
reg = <0 0x230c0000 0 0x1000>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
A53_funnel_out_port: endpoint {
remote-endpoint =
<&main_funnel_in_port1>;
};
};
port@1 {
reg = <0>;
A53_funnel_in_port0: endpoint {
slave-mode;
remote-endpoint = <&A53_etm0_out_port>;
};
};
port@2 {
reg = <1>;
A53_funnel_in_port1: endpoint {
slave-mode;
remote-endpoint = <&A53_etm1_out_port>;
};
};
port@3 {
reg = <2>;
A53_funnel_in_port2: endpoint {
slave-mode;
remote-endpoint = <&A53_etm2_out_port>;
};
};
port@4 {
reg = <3>;
A53_funnel_in_port3: endpoint {
slave-mode;
remote-endpoint = <&A53_etm3_out_port>;
};
};
};
};
etm@22040000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x22040000 0 0x1000>;
cpu = <&A57_0>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
A72_57_etm0_out_port: endpoint {
remote-endpoint = <&A72_57_funnel_in_port0>;
};
};
};
etm@22140000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x22140000 0 0x1000>;
cpu = <&A57_1>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
A72_57_etm1_out_port: endpoint {
remote-endpoint = <&A72_57_funnel_in_port1>;
};
};
};
etm@23040000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x23040000 0 0x1000>;
cpu = <&A53_0>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
A53_etm0_out_port: endpoint {
remote-endpoint = <&A53_funnel_in_port0>;
};
};
};
etm@23140000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x23140000 0 0x1000>;
cpu = <&A53_1>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
A53_etm1_out_port: endpoint {
remote-endpoint = <&A53_funnel_in_port1>;
};
};
};
etm@23240000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x23240000 0 0x1000>;
cpu = <&A53_2>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
A53_etm2_out_port: endpoint {
remote-endpoint = <&A53_funnel_in_port2>;
};
};
};
etm@23340000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x23340000 0 0x1000>;
cpu = <&A53_3>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
port {
A53_etm3_out_port: endpoint {
remote-endpoint = <&A53_funnel_in_port3>;
};
};
};
#include "juno-base.dtsi"
};

View file

@ -245,4 +245,24 @@ lr .req x30 // link register
.long \sym\()_hi32
.endm
/*
* mov_q - move an immediate constant into a 64-bit register using
* between 2 and 4 movz/movk instructions (depending on the
* magnitude and sign of the operand)
*/
.macro mov_q, reg, val
.if (((\val) >> 31) == 0 || ((\val) >> 31) == 0x1ffffffff)
movz \reg, :abs_g1_s:\val
.else
.if (((\val) >> 47) == 0 || ((\val) >> 47) == 0x1ffff)
movz \reg, :abs_g2_s:\val
.else
movz \reg, :abs_g3:\val
movk \reg, :abs_g2_nc:\val
.endif
movk \reg, :abs_g1_nc:\val
.endif
movk \reg, :abs_g0_nc:\val
.endm
#endif /* __ASM_ASSEMBLER_H */

View file

@ -160,14 +160,14 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
#define STACK_RND_MASK (0x3ffff >> (PAGE_SHIFT - 12))
#endif
#ifdef CONFIG_COMPAT
#ifdef __AARCH64EB__
#define COMPAT_ELF_PLATFORM ("v8b")
#else
#define COMPAT_ELF_PLATFORM ("v8l")
#endif
#ifdef CONFIG_COMPAT
#define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3)
/* AArch32 registers. */

View file

@ -133,7 +133,6 @@
* Section
*/
#define PMD_SECT_VALID (_AT(pmdval_t, 1) << 0)
#define PMD_SECT_PROT_NONE (_AT(pmdval_t, 1) << 58)
#define PMD_SECT_USER (_AT(pmdval_t, 1) << 6) /* AP[1] */
#define PMD_SECT_RDONLY (_AT(pmdval_t, 1) << 7) /* AP[2] */
#define PMD_SECT_S (_AT(pmdval_t, 3) << 8)

View file

@ -348,6 +348,7 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address,
#endif /* CONFIG_HAVE_RCU_TABLE_FREE */
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#define pmd_present(pmd) pte_present(pmd_pte(pmd))
#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
#define pmd_young(pmd) pte_young(pmd_pte(pmd))
#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
@ -357,7 +358,7 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address,
#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK))
#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_SECT_VALID))
#define __HAVE_ARCH_PMD_WRITE
#define pmd_write(pmd) pte_write(pmd_pte(pmd))
@ -396,7 +397,6 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot);
#define pmd_none(pmd) (!pmd_val(pmd))
#define pmd_present(pmd) (pmd_val(pmd))
#define pmd_bad(pmd) (!(pmd_val(pmd) & 2))
@ -595,6 +595,21 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
}
#ifdef CONFIG_ARM64_HW_AFDBM
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
extern int ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep,
pte_t entry, int dirty);
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
static inline int pmdp_set_access_flags(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp,
pmd_t entry, int dirty)
{
return ptep_set_access_flags(vma, address, (pte_t *)pmdp, pmd_pte(entry), dirty);
}
#endif
/*
* Atomic pte/pmd modifications.
*/
@ -647,9 +662,9 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define __HAVE_ARCH_PMDP_GET_AND_CLEAR
static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
unsigned long address, pmd_t *pmdp)
#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
unsigned long address, pmd_t *pmdp)
{
return pte_pmd(ptep_get_and_clear(mm, address, (pte_t *)pmdp));
}

View file

@ -58,6 +58,7 @@
#define COMPAT_PSR_Z_BIT 0x40000000
#define COMPAT_PSR_N_BIT 0x80000000
#define COMPAT_PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */
#define COMPAT_PSR_GE_MASK 0x000f0000
#ifdef CONFIG_CPU_BIG_ENDIAN
#define COMPAT_PSR_ENDSTATE COMPAT_PSR_E_BIT
@ -151,35 +152,9 @@ static inline unsigned long regs_return_value(struct pt_regs *regs)
return regs->regs[0];
}
/*
* Are the current registers suitable for user mode? (used to maintain
* security in signal handlers)
*/
static inline int valid_user_regs(struct user_pt_regs *regs)
{
if (user_mode(regs) && (regs->pstate & PSR_I_BIT) == 0) {
regs->pstate &= ~(PSR_F_BIT | PSR_A_BIT);
/* The T bit is reserved for AArch64 */
if (!(regs->pstate & PSR_MODE32_BIT))
regs->pstate &= ~COMPAT_PSR_T_BIT;
return 1;
}
/*
* Force PSR to something logical...
*/
regs->pstate &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | \
COMPAT_PSR_T_BIT | PSR_MODE32_BIT;
if (!(regs->pstate & PSR_MODE32_BIT)) {
regs->pstate &= ~COMPAT_PSR_T_BIT;
regs->pstate |= PSR_MODE_EL0t;
}
return 0;
}
/* We must avoid circular header include via sched.h */
struct task_struct;
int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task);
#define instruction_pointer(regs) ((unsigned long)(regs)->pc)

View file

@ -23,6 +23,8 @@
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/compat.h>
#include <linux/elf.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/personality.h>
@ -107,6 +109,7 @@ static const char *const compat_hwcap2_str[] = {
static int c_show(struct seq_file *m, void *v)
{
int i, j;
bool compat = personality(current->personality) == PER_LINUX32;
seq_printf(m, "Processor\t: AArch64 Processor rev %d (%s)\n",
read_cpuid_id() & 15, ELF_PLATFORM);
@ -120,6 +123,9 @@ static int c_show(struct seq_file *m, void *v)
* "processor". Give glibc what it expects.
*/
seq_printf(m, "processor\t: %d\n", i);
if (compat)
seq_printf(m, "model name\t: ARMv8 Processor rev %d (%s)\n",
MIDR_REVISION(midr), COMPAT_ELF_PLATFORM);
seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
loops_per_jiffy / (500000UL/HZ),
@ -132,7 +138,7 @@ static int c_show(struct seq_file *m, void *v)
* software which does already (at least for 32-bit).
*/
seq_puts(m, "Features\t:");
if (personality(current->personality) == PER_LINUX32) {
if (compat) {
#ifdef CONFIG_COMPAT
for (j = 0; compat_hwcap_str[j]; j++)
if (compat_elf_hwcap & (1 << j))

View file

@ -61,7 +61,7 @@ ENTRY(entry)
*/
mov x20, x0 // DTB address
ldr x0, [sp, #16] // relocated _text address
movz x21, #:abs_g0:stext_offset
ldr w21, =stext_offset
add x21, x0, x21
/*

View file

@ -25,6 +25,7 @@
#include <linux/irqchip/arm-gic-v3.h>
#include <asm/assembler.h>
#include <asm/boot.h>
#include <asm/ptrace.h>
#include <asm/asm-offsets.h>
#include <asm/cache.h>
@ -100,8 +101,6 @@ _head:
#endif
#ifdef CONFIG_EFI
.globl __efistub_stext_offset
.set __efistub_stext_offset, stext - _head
.align 3
pe_header:
.ascii "PE"
@ -121,11 +120,11 @@ optional_header:
.short 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long _end - stext // SizeOfCode
.long _end - efi_header_end // SizeOfCode
.long 0 // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
.long __efistub_entry - _head // AddressOfEntryPoint
.long __efistub_stext_offset // BaseOfCode
.long efi_header_end - _head // BaseOfCode
extra_header_fields:
.quad 0 // ImageBase
@ -142,7 +141,7 @@ extra_header_fields:
.long _end - _head // SizeOfImage
// Everything before the kernel image is considered part of the header
.long __efistub_stext_offset // SizeOfHeaders
.long efi_header_end - _head // SizeOfHeaders
.long 0 // CheckSum
.short 0xa // Subsystem (EFI application)
.short 0 // DllCharacteristics
@ -186,10 +185,10 @@ section_table:
.byte 0
.byte 0
.byte 0 // end of 0 padding of section name
.long _end - stext // VirtualSize
.long __efistub_stext_offset // VirtualAddress
.long _edata - stext // SizeOfRawData
.long __efistub_stext_offset // PointerToRawData
.long _end - efi_header_end // VirtualSize
.long efi_header_end - _head // VirtualAddress
.long _edata - efi_header_end // SizeOfRawData
.long efi_header_end - _head // PointerToRawData
.long 0 // PointerToRelocations (0 for executables)
.long 0 // PointerToLineNumbers (0 for executables)
@ -198,20 +197,23 @@ section_table:
.long 0xe0500020 // Characteristics (section flags)
/*
* EFI will load stext onwards at the 4k section alignment
* EFI will load .text onwards at the 4k section alignment
* described in the PE/COFF header. To ensure that instruction
* sequences using an adrp and a :lo12: immediate will function
* correctly at this alignment, we must ensure that stext is
* correctly at this alignment, we must ensure that .text is
* placed at a 4k boundary in the Image to begin with.
*/
.align 12
efi_header_end:
#endif
__INIT
ENTRY(stext)
bl preserve_boot_args
bl el2_setup // Drop to EL1, w20=cpu_boot_mode
mov x23, xzr // KASLR offset, defaults to 0
adrp x24, __PHYS_OFFSET
and x23, x24, MIN_KIMG_ALIGN - 1 // KASLR offset, defaults to 0
bl set_cpu_boot_mode_flag
bl __create_page_tables // x25=TTBR0, x26=TTBR1
/*
@ -220,13 +222,11 @@ ENTRY(stext)
* On return, the CPU will be ready for the MMU to be turned on and
* the TCR will have been set.
*/
ldr x27, 0f // address to jump to after
bl __cpu_setup // initialise processor
adr_l x27, __primary_switch // address to jump to after
// MMU has been enabled
adr_l lr, __enable_mmu // return (PIC) address
b __cpu_setup // initialise processor
b __enable_mmu
ENDPROC(stext)
.align 3
0: .quad __mmap_switched - (_head - TEXT_OFFSET) + KIMAGE_VADDR
/*
* Preserve the arguments passed by the bootloader in x0 .. x3
@ -336,7 +336,7 @@ __create_page_tables:
cmp x0, x6
b.lo 1b
ldr x7, =SWAPPER_MM_MMUFLAGS
mov x7, SWAPPER_MM_MMUFLAGS
/*
* Create the identity mapping.
@ -392,12 +392,13 @@ __create_page_tables:
* Map the kernel image (starting with PHYS_OFFSET).
*/
mov x0, x26 // swapper_pg_dir
ldr x5, =KIMAGE_VADDR
mov_q x5, KIMAGE_VADDR + TEXT_OFFSET // compile time __va(_text)
add x5, x5, x23 // add KASLR displacement
create_pgd_entry x0, x5, x3, x6
ldr w6, kernel_img_size
add x6, x6, x5
mov x3, x24 // phys offset
adrp x6, _end // runtime __pa(_end)
adrp x3, _text // runtime __pa(_text)
sub x6, x6, x3 // _end - _text
add x6, x6, x5 // runtime __va(_end)
create_block_map x0, x7, x3, x5, x6
/*
@ -412,16 +413,13 @@ __create_page_tables:
ret x28
ENDPROC(__create_page_tables)
kernel_img_size:
.long _end - (_head - TEXT_OFFSET)
.ltorg
/*
* The following fragment of code is executed with the MMU enabled.
*/
.set initial_sp, init_thread_union + THREAD_START_SP
__mmap_switched:
__primary_switched:
mov x28, lr // preserve LR
adr_l x8, vectors // load VBAR_EL1 with virtual
msr vbar_el1, x8 // vector table address
@ -435,44 +433,6 @@ __mmap_switched:
bl __pi_memset
dsb ishst // Make zero page visible to PTW
#ifdef CONFIG_RELOCATABLE
/*
* Iterate over each entry in the relocation table, and apply the
* relocations in place.
*/
adr_l x8, __dynsym_start // start of symbol table
adr_l x9, __reloc_start // start of reloc table
adr_l x10, __reloc_end // end of reloc table
0: cmp x9, x10
b.hs 2f
ldp x11, x12, [x9], #24
ldr x13, [x9, #-8]
cmp w12, #R_AARCH64_RELATIVE
b.ne 1f
add x13, x13, x23 // relocate
str x13, [x11, x23]
b 0b
1: cmp w12, #R_AARCH64_ABS64
b.ne 0b
add x12, x12, x12, lsl #1 // symtab offset: 24x top word
add x12, x8, x12, lsr #(32 - 3) // ... shifted into bottom word
ldrsh w14, [x12, #6] // Elf64_Sym::st_shndx
ldr x15, [x12, #8] // Elf64_Sym::st_value
cmp w14, #-0xf // SHN_ABS (0xfff1) ?
add x14, x15, x23 // relocate
csel x15, x14, x15, ne
add x15, x13, x15
str x15, [x11, x23]
b 0b
2: adr_l x8, kimage_vaddr // make relocated kimage_vaddr
dc cvac, x8 // value visible to secondaries
dsb sy // with MMU off
#endif
adr_l sp, initial_sp, x4
mov x4, sp
and x4, x4, #~(THREAD_SIZE - 1)
@ -488,17 +448,19 @@ __mmap_switched:
bl kasan_early_init
#endif
#ifdef CONFIG_RANDOMIZE_BASE
cbnz x23, 0f // already running randomized?
tst x23, ~(MIN_KIMG_ALIGN - 1) // already running randomized?
b.ne 0f
mov x0, x21 // pass FDT address in x0
mov x1, x23 // pass modulo offset in x1
bl kaslr_early_init // parse FDT for KASLR options
cbz x0, 0f // KASLR disabled? just proceed
mov x23, x0 // record KASLR offset
orr x23, x23, x0 // record KASLR offset
ret x28 // we must enable KASLR, return
// to __enable_mmu()
0:
#endif
b start_kernel
ENDPROC(__mmap_switched)
ENDPROC(__primary_switched)
/*
* end early head section, begin head code that is also used for
@ -613,7 +575,7 @@ ENDPROC(el2_setup)
* Sets the __boot_cpu_mode flag depending on the CPU boot mode passed
* in x20. See arch/arm64/include/asm/virt.h for more info.
*/
ENTRY(set_cpu_boot_mode_flag)
set_cpu_boot_mode_flag:
adr_l x1, __boot_cpu_mode
cmp w20, #BOOT_CPU_MODE_EL2
b.ne 1f
@ -646,7 +608,7 @@ ENTRY(secondary_holding_pen)
bl el2_setup // Drop to EL1, w20=cpu_boot_mode
bl set_cpu_boot_mode_flag
mrs x0, mpidr_el1
ldr x1, =MPIDR_HWID_BITMASK
mov_q x1, MPIDR_HWID_BITMASK
and x0, x0, x1
adr_l x3, secondary_holding_pen_release
pen: ldr x4, [x3]
@ -666,7 +628,7 @@ ENTRY(secondary_entry)
b secondary_startup
ENDPROC(secondary_entry)
ENTRY(secondary_startup)
secondary_startup:
/*
* Common entry point for secondary CPUs.
*/
@ -674,14 +636,11 @@ ENTRY(secondary_startup)
adrp x26, swapper_pg_dir
bl __cpu_setup // initialise processor
ldr x8, kimage_vaddr
ldr w9, 0f
sub x27, x8, w9, sxtw // address to jump to after enabling the MMU
adr_l x27, __secondary_switch // address to jump to after enabling the MMU
b __enable_mmu
ENDPROC(secondary_startup)
0: .long (_text - TEXT_OFFSET) - __secondary_switched
ENTRY(__secondary_switched)
__secondary_switched:
adr_l x5, vectors
msr vbar_el1, x5
isb
@ -743,7 +702,6 @@ __enable_mmu:
ic iallu // flush instructions fetched
dsb nsh // via old mapping
isb
add x27, x27, x23 // relocated __mmap_switched
#endif
br x27
ENDPROC(__enable_mmu)
@ -752,3 +710,53 @@ __no_granule_support:
wfe
b __no_granule_support
ENDPROC(__no_granule_support)
__primary_switch:
#ifdef CONFIG_RELOCATABLE
/*
* Iterate over each entry in the relocation table, and apply the
* relocations in place.
*/
ldr w8, =__dynsym_offset // offset to symbol table
ldr w9, =__rela_offset // offset to reloc table
ldr w10, =__rela_size // size of reloc table
mov_q x11, KIMAGE_VADDR // default virtual offset
add x11, x11, x23 // actual virtual offset
add x8, x8, x11 // __va(.dynsym)
add x9, x9, x11 // __va(.rela)
add x10, x9, x10 // __va(.rela) + sizeof(.rela)
0: cmp x9, x10
b.hs 2f
ldp x11, x12, [x9], #24
ldr x13, [x9, #-8]
cmp w12, #R_AARCH64_RELATIVE
b.ne 1f
add x13, x13, x23 // relocate
str x13, [x11, x23]
b 0b
1: cmp w12, #R_AARCH64_ABS64
b.ne 0b
add x12, x12, x12, lsl #1 // symtab offset: 24x top word
add x12, x8, x12, lsr #(32 - 3) // ... shifted into bottom word
ldrsh w14, [x12, #6] // Elf64_Sym::st_shndx
ldr x15, [x12, #8] // Elf64_Sym::st_value
cmp w14, #-0xf // SHN_ABS (0xfff1) ?
add x14, x15, x23 // relocate
csel x15, x14, x15, ne
add x15, x13, x15
str x15, [x11, x23]
b 0b
2:
#endif
ldr x8, =__primary_switched
br x8
ENDPROC(__primary_switch)
__secondary_switch:
ldr x8, =__secondary_switched
br x8
ENDPROC(__secondary_switch)

View file

@ -73,6 +73,8 @@
#ifdef CONFIG_EFI
__efistub_stext_offset = stext - _text;
/*
* Prevent the symbol aliases below from being emitted into the kallsyms
* table, by forcing them to be absolute symbols (which are conveniently

View file

@ -74,7 +74,7 @@ extern void *__init __fixmap_remap_fdt(phys_addr_t dt_phys, int *size,
* containing function pointers) to be reinitialized, and zero-initialized
* .bss variables will be reset to 0.
*/
u64 __init kaslr_early_init(u64 dt_phys)
u64 __init kaslr_early_init(u64 dt_phys, u64 modulo_offset)
{
void *fdt;
u64 seed, offset, mask, module_range;
@ -132,8 +132,8 @@ u64 __init kaslr_early_init(u64 dt_phys)
* boundary (for 4KB/16KB/64KB granule kernels, respectively). If this
* happens, increase the KASLR offset by the size of the kernel image.
*/
if ((((u64)_text + offset) >> SWAPPER_TABLE_SHIFT) !=
(((u64)_end + offset) >> SWAPPER_TABLE_SHIFT))
if ((((u64)_text + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT) !=
(((u64)_end + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT))
offset = (offset + (u64)(_end - _text)) & mask;
if (IS_ENABLED(CONFIG_KASAN))

View file

@ -39,6 +39,7 @@
#include <linux/elf.h>
#include <asm/compat.h>
#include <asm/cpufeature.h>
#include <asm/debug-monitors.h>
#include <asm/pgtable.h>
#include <asm/syscall.h>
@ -500,7 +501,7 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset,
if (ret)
return ret;
if (!valid_user_regs(&newregs))
if (!valid_user_regs(&newregs, target))
return -EINVAL;
task_pt_regs(target)->user_regs = newregs;
@ -770,7 +771,7 @@ static int compat_gpr_set(struct task_struct *target,
}
if (valid_user_regs(&newregs.user_regs))
if (valid_user_regs(&newregs.user_regs, target))
*task_pt_regs(target) = newregs;
else
ret = -EINVAL;
@ -1272,3 +1273,79 @@ asmlinkage void syscall_trace_exit(struct pt_regs *regs)
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT);
}
/*
* Bits which are always architecturally RES0 per ARM DDI 0487A.h
* Userspace cannot use these until they have an architectural meaning.
* We also reserve IL for the kernel; SS is handled dynamically.
*/
#define SPSR_EL1_AARCH64_RES0_BITS \
(GENMASK_ULL(63,32) | GENMASK_ULL(27, 22) | GENMASK_ULL(20, 10) | \
GENMASK_ULL(5, 5))
#define SPSR_EL1_AARCH32_RES0_BITS \
(GENMASK_ULL(63,32) | GENMASK_ULL(24, 22) | GENMASK_ULL(20,20))
static int valid_compat_regs(struct user_pt_regs *regs)
{
regs->pstate &= ~SPSR_EL1_AARCH32_RES0_BITS;
if (!system_supports_mixed_endian_el0()) {
if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
regs->pstate |= COMPAT_PSR_E_BIT;
else
regs->pstate &= ~COMPAT_PSR_E_BIT;
}
if (user_mode(regs) && (regs->pstate & PSR_MODE32_BIT) &&
(regs->pstate & COMPAT_PSR_A_BIT) == 0 &&
(regs->pstate & COMPAT_PSR_I_BIT) == 0 &&
(regs->pstate & COMPAT_PSR_F_BIT) == 0) {
return 1;
}
/*
* Force PSR to a valid 32-bit EL0t, preserving the same bits as
* arch/arm.
*/
regs->pstate &= COMPAT_PSR_N_BIT | COMPAT_PSR_Z_BIT |
COMPAT_PSR_C_BIT | COMPAT_PSR_V_BIT |
COMPAT_PSR_Q_BIT | COMPAT_PSR_IT_MASK |
COMPAT_PSR_GE_MASK | COMPAT_PSR_E_BIT |
COMPAT_PSR_T_BIT;
regs->pstate |= PSR_MODE32_BIT;
return 0;
}
static int valid_native_regs(struct user_pt_regs *regs)
{
regs->pstate &= ~SPSR_EL1_AARCH64_RES0_BITS;
if (user_mode(regs) && !(regs->pstate & PSR_MODE32_BIT) &&
(regs->pstate & PSR_D_BIT) == 0 &&
(regs->pstate & PSR_A_BIT) == 0 &&
(regs->pstate & PSR_I_BIT) == 0 &&
(regs->pstate & PSR_F_BIT) == 0) {
return 1;
}
/* Force PSR to a valid 64-bit EL0t */
regs->pstate &= PSR_N_BIT | PSR_Z_BIT | PSR_C_BIT | PSR_V_BIT;
return 0;
}
/*
* Are the current registers suitable for user mode? (used to maintain
* security in signal handlers)
*/
int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task)
{
if (!test_tsk_thread_flag(task, TIF_SINGLESTEP))
regs->pstate &= ~DBG_SPSR_SS;
if (is_compat_thread(task_thread_info(task)))
return valid_compat_regs(regs);
else
return valid_native_regs(regs);
}

View file

@ -115,7 +115,7 @@ static int restore_sigframe(struct pt_regs *regs,
*/
regs->syscallno = ~0UL;
err |= !valid_user_regs(&regs->user_regs);
err |= !valid_user_regs(&regs->user_regs, current);
if (err == 0) {
struct fpsimd_context *fpsimd_ctx =
@ -307,7 +307,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
/*
* Check that the resulting registers are actually sane.
*/
ret |= !valid_user_regs(&regs->user_regs);
ret |= !valid_user_regs(&regs->user_regs, current);
/*
* Fast forward the stepping logic so we step into the signal

View file

@ -356,7 +356,7 @@ static int compat_restore_sigframe(struct pt_regs *regs,
*/
regs->syscallno = ~0UL;
err |= !valid_user_regs(&regs->user_regs);
err |= !valid_user_regs(&regs->user_regs, current);
aux = (struct compat_aux_sigframe __user *) sf->uc.uc_regspace;
if (err == 0)

View file

@ -64,14 +64,19 @@ PECOFF_FILE_ALIGNMENT = 0x200;
#endif
#if defined(CONFIG_DEBUG_ALIGN_RODATA)
#define ALIGN_DEBUG_RO . = ALIGN(1<<SECTION_SHIFT);
#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
#elif defined(CONFIG_DEBUG_RODATA)
#define ALIGN_DEBUG_RO . = ALIGN(1<<PAGE_SHIFT);
#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
/*
* 4 KB granule: 1 level 2 entry
* 16 KB granule: 128 level 3 entries, with contiguous bit
* 64 KB granule: 32 level 3 entries, with contiguous bit
*/
#define SEGMENT_ALIGN SZ_2M
#else
#define ALIGN_DEBUG_RO
#define ALIGN_DEBUG_RO_MIN(min) . = ALIGN(min);
/*
* 4 KB granule: 16 level 3 entries, with contiguous bit
* 16 KB granule: 4 level 3 entries, without contiguous bit
* 64 KB granule: 1 level 3 entry
*/
#define SEGMENT_ALIGN SZ_64K
#endif
SECTIONS
@ -97,7 +102,6 @@ SECTIONS
_text = .;
HEAD_TEXT
}
ALIGN_DEBUG_RO_MIN(PAGE_SIZE)
.text : { /* Real text segment */
_stext = .; /* Text and read-only data */
__exception_text_start = .;
@ -115,11 +119,12 @@ SECTIONS
*(.got) /* Global offset table */
}
RO_DATA(PAGE_SIZE)
EXCEPTION_TABLE(8)
. = ALIGN(SEGMENT_ALIGN);
RO_DATA(PAGE_SIZE) /* everything from this point to */
EXCEPTION_TABLE(8) /* _etext will be marked RO NX */
NOTES
ALIGN_DEBUG_RO_MIN(PAGE_SIZE)
. = ALIGN(SEGMENT_ALIGN);
_etext = .; /* End of text and rodata section */
__init_begin = .;
@ -152,12 +157,9 @@ SECTIONS
*(.altinstr_replacement)
}
.rela : ALIGN(8) {
__reloc_start = .;
*(.rela .rela*)
__reloc_end = .;
}
.dynsym : ALIGN(8) {
__dynsym_start = .;
*(.dynsym)
}
.dynstr : {
@ -167,7 +169,11 @@ SECTIONS
*(.hash)
}
. = ALIGN(PAGE_SIZE);
__rela_offset = ADDR(.rela) - KIMAGE_VADDR;
__rela_size = SIZEOF(.rela);
__dynsym_offset = ADDR(.dynsym) - KIMAGE_VADDR;
. = ALIGN(SEGMENT_ALIGN);
__init_end = .;
_data = .;

View file

@ -130,7 +130,7 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr
esr |= (ESR_ELx_EC_IABT_CUR << ESR_ELx_EC_SHIFT);
if (!is_iabt)
esr |= ESR_ELx_EC_DABT_LOW;
esr |= ESR_ELx_EC_DABT_LOW << ESR_ELx_EC_SHIFT;
vcpu_sys_reg(vcpu, ESR_EL1) = esr | ESR_ELx_FSC_EXTABT;
}

View file

@ -84,6 +84,56 @@ void show_pte(struct mm_struct *mm, unsigned long addr)
printk("\n");
}
#ifdef CONFIG_ARM64_HW_AFDBM
/*
* This function sets the access flags (dirty, accessed), as well as write
* permission, and only to a more permissive setting.
*
* It needs to cope with hardware update of the accessed/dirty state by other
* agents in the system and can safely skip the __sync_icache_dcache() call as,
* like set_pte_at(), the PTE is never changed from no-exec to exec here.
*
* Returns whether or not the PTE actually changed.
*/
int ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep,
pte_t entry, int dirty)
{
pteval_t old_pteval;
unsigned int tmp;
if (pte_same(*ptep, entry))
return 0;
/* only preserve the access flags and write permission */
pte_val(entry) &= PTE_AF | PTE_WRITE | PTE_DIRTY;
/*
* PTE_RDONLY is cleared by default in the asm below, so set it in
* back if necessary (read-only or clean PTE).
*/
if (!pte_write(entry) || !pte_sw_dirty(entry))
pte_val(entry) |= PTE_RDONLY;
/*
* Setting the flags must be done atomically to avoid racing with the
* hardware update of the access/dirty state.
*/
asm volatile("// ptep_set_access_flags\n"
" prfm pstl1strm, %2\n"
"1: ldxr %0, %2\n"
" and %0, %0, %3 // clear PTE_RDONLY\n"
" orr %0, %0, %4 // set flags\n"
" stxr %w1, %0, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (old_pteval), "=&r" (tmp), "+Q" (pte_val(*ptep))
: "L" (~PTE_RDONLY), "r" (pte_val(entry)));
flush_tlb_fix_spurious_fault(vma, address);
return 1;
}
#endif
/*
* The kernel tried to access some page that wasn't present.
*/

View file

@ -372,6 +372,7 @@ void __init mem_init(void)
" vmalloc : 0x%16lx - 0x%16lx (%6ld GB)\n"
" .init : 0x%p" " - 0x%p" " (%6ld KB)\n"
" .text : 0x%p" " - 0x%p" " (%6ld KB)\n"
" .rodata : 0x%p" " - 0x%p" " (%6ld KB)\n"
" .data : 0x%p" " - 0x%p" " (%6ld KB)\n"
#ifdef CONFIG_SPARSEMEM_VMEMMAP
" vmemmap : 0x%16lx - 0x%16lx (%6ld GB maximum)\n"
@ -386,7 +387,8 @@ void __init mem_init(void)
MLM(MODULES_VADDR, MODULES_END),
MLG(VMALLOC_START, VMALLOC_END),
MLK_ROUNDUP(__init_begin, __init_end),
MLK_ROUNDUP(_text, _etext),
MLK_ROUNDUP(_text, __start_rodata),
MLK_ROUNDUP(__start_rodata, _etext),
MLK_ROUNDUP(_sdata, _edata),
#ifdef CONFIG_SPARSEMEM_VMEMMAP
MLG(VMEMMAP_START,

View file

@ -391,7 +391,7 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt,
static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end)
{
unsigned long kernel_start = __pa(_stext);
unsigned long kernel_start = __pa(_text);
unsigned long kernel_end = __pa(_etext);
/*
@ -423,7 +423,7 @@ static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end
early_pgtable_alloc);
/*
* Map the linear alias of the [_stext, _etext) interval as
* Map the linear alias of the [_text, _etext) interval as
* read-only/non-executable. This makes the contents of the
* region accessible to subsystems such as hibernate, but
* protects it from inadvertent modification or execution.
@ -451,12 +451,18 @@ static void __init map_mem(pgd_t *pgd)
void mark_rodata_ro(void)
{
if (!IS_ENABLED(CONFIG_DEBUG_RODATA))
return;
unsigned long section_size;
create_mapping_late(__pa(_stext), (unsigned long)_stext,
(unsigned long)_etext - (unsigned long)_stext,
PAGE_KERNEL_ROX);
section_size = (unsigned long)__start_rodata - (unsigned long)_text;
create_mapping_late(__pa(_text), (unsigned long)_text,
section_size, PAGE_KERNEL_ROX);
/*
* mark .rodata as read only. Use _etext rather than __end_rodata to
* cover NOTES and EXCEPTION_TABLE.
*/
section_size = (unsigned long)_etext - (unsigned long)__start_rodata;
create_mapping_late(__pa(__start_rodata), (unsigned long)__start_rodata,
section_size, PAGE_KERNEL_RO);
}
void fixup_init(void)
@ -469,8 +475,8 @@ void fixup_init(void)
unmap_kernel_range((u64)__init_begin, (u64)(__init_end - __init_begin));
}
static void __init map_kernel_chunk(pgd_t *pgd, void *va_start, void *va_end,
pgprot_t prot, struct vm_struct *vma)
static void __init map_kernel_segment(pgd_t *pgd, void *va_start, void *va_end,
pgprot_t prot, struct vm_struct *vma)
{
phys_addr_t pa_start = __pa(va_start);
unsigned long size = va_end - va_start;
@ -495,12 +501,13 @@ static void __init map_kernel_chunk(pgd_t *pgd, void *va_start, void *va_end,
*/
static void __init map_kernel(pgd_t *pgd)
{
static struct vm_struct vmlinux_text, vmlinux_init, vmlinux_data;
static struct vm_struct vmlinux_text, vmlinux_rodata, vmlinux_init, vmlinux_data;
map_kernel_chunk(pgd, _stext, _etext, PAGE_KERNEL_EXEC, &vmlinux_text);
map_kernel_chunk(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC,
&vmlinux_init);
map_kernel_chunk(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data);
map_kernel_segment(pgd, _text, __start_rodata, PAGE_KERNEL_EXEC, &vmlinux_text);
map_kernel_segment(pgd, __start_rodata, _etext, PAGE_KERNEL, &vmlinux_rodata);
map_kernel_segment(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC,
&vmlinux_init);
map_kernel_segment(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data);
if (!pgd_val(*pgd_offset_raw(pgd, FIXADDR_START))) {
/*

View file

@ -31,13 +31,15 @@ static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val)
} while (1);
}
#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
static void prom_putchar_ar71xx(unsigned char ch)
{
void __iomem *base = (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE));
prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
__raw_writel(ch, base + UART_TX * 4);
prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
}
static void prom_putchar_ar933x(unsigned char ch)

View file

@ -298,21 +298,21 @@
.set pop
.endm
.macro copy_u_w ws, n
.macro copy_s_w ws, n
.set push
.set mips32r2
.set fp=64
.set msa
copy_u.w $1, $w\ws[\n]
copy_s.w $1, $w\ws[\n]
.set pop
.endm
.macro copy_u_d ws, n
.macro copy_s_d ws, n
.set push
.set mips64r2
.set fp=64
.set msa
copy_u.d $1, $w\ws[\n]
copy_s.d $1, $w\ws[\n]
.set pop
.endm
@ -346,8 +346,8 @@
#define STH_MSA_INSN 0x5800081f
#define STW_MSA_INSN 0x5800082f
#define STD_MSA_INSN 0x5800083f
#define COPY_UW_MSA_INSN 0x58f00056
#define COPY_UD_MSA_INSN 0x58f80056
#define COPY_SW_MSA_INSN 0x58b00056
#define COPY_SD_MSA_INSN 0x58b80056
#define INSERT_W_MSA_INSN 0x59300816
#define INSERT_D_MSA_INSN 0x59380816
#else
@ -361,8 +361,8 @@
#define STH_MSA_INSN 0x78000825
#define STW_MSA_INSN 0x78000826
#define STD_MSA_INSN 0x78000827
#define COPY_UW_MSA_INSN 0x78f00059
#define COPY_UD_MSA_INSN 0x78f80059
#define COPY_SW_MSA_INSN 0x78b00059
#define COPY_SD_MSA_INSN 0x78b80059
#define INSERT_W_MSA_INSN 0x79300819
#define INSERT_D_MSA_INSN 0x79380819
#endif
@ -393,7 +393,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word LDB_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -402,7 +402,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word LDH_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -411,7 +411,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word LDW_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -420,7 +420,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word LDD_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -429,7 +429,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word STB_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -438,7 +438,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word STH_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -447,7 +447,7 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word STW_MSA_INSN | (\wd << 6)
.set pop
.endm
@ -456,26 +456,26 @@
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
PTR_ADDU $1, \base, \off
.word STD_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro copy_u_w ws, n
.macro copy_s_w ws, n
.set push
.set noat
SET_HARDFLOAT
.insn
.word COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11)
.word COPY_SW_MSA_INSN | (\n << 16) | (\ws << 11)
.set pop
.endm
.macro copy_u_d ws, n
.macro copy_s_d ws, n
.set push
.set noat
SET_HARDFLOAT
.insn
.word COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11)
.word COPY_SD_MSA_INSN | (\n << 16) | (\ws << 11)
.set pop
.endm

View file

@ -51,7 +51,6 @@ extern void (*flush_cache_range)(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
extern void __flush_dcache_page(struct page *page);
extern void __flush_icache_page(struct vm_area_struct *vma, struct page *page);
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
static inline void flush_dcache_page(struct page *page)
@ -77,11 +76,6 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
static inline void flush_icache_page(struct vm_area_struct *vma,
struct page *page)
{
if (!cpu_has_ic_fills_f_dc && (vma->vm_flags & VM_EXEC) &&
Page_dcache_dirty(page)) {
__flush_icache_page(vma, page);
ClearPageDcacheDirty(page);
}
}
extern void (*flush_icache_range)(unsigned long start, unsigned long end);

View file

@ -372,6 +372,7 @@ struct kvm_mips_tlb {
#define KVM_MIPS_GUEST_TLB_SIZE 64
struct kvm_vcpu_arch {
void *host_ebase, *guest_ebase;
int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
unsigned long host_stack;
unsigned long host_gp;
@ -784,7 +785,7 @@ extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
uint32_t kvm_mips_read_count(struct kvm_vcpu *vcpu);
void kvm_mips_write_count(struct kvm_vcpu *vcpu, uint32_t count);
void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare);
void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare, bool ack);
void kvm_mips_init_count(struct kvm_vcpu *vcpu);
int kvm_mips_set_count_ctl(struct kvm_vcpu *vcpu, s64 count_ctl);
int kvm_mips_set_count_resume(struct kvm_vcpu *vcpu, s64 count_resume);

View file

@ -147,6 +147,19 @@ static inline void restore_msa(struct task_struct *t)
_restore_msa(t);
}
static inline void init_msa_upper(void)
{
/*
* Check cpu_has_msa only if it's a constant. This will allow the
* compiler to optimise out code for CPUs without MSA without adding
* an extra redundant check for CPUs with MSA.
*/
if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa)
return;
_init_msa_upper();
}
#ifdef TOOLCHAIN_SUPPORTS_MSA
#define __BUILD_MSA_CTL_REG(name, cs) \

View file

@ -127,10 +127,14 @@ do { \
} \
} while(0)
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval);
#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
#define pte_none(pte) (!(((pte).pte_high) & ~_PAGE_GLOBAL))
#define pte_present(pte) ((pte).pte_low & _PAGE_PRESENT)
#define pte_no_exec(pte) ((pte).pte_low & _PAGE_NO_EXEC)
static inline void set_pte(pte_t *ptep, pte_t pte)
{
@ -148,7 +152,6 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
buddy->pte_high |= _PAGE_GLOBAL;
}
}
#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
@ -166,6 +169,7 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
#define pte_no_exec(pte) (pte_val(pte) & _PAGE_NO_EXEC)
/*
* Certain architectures need to do special things when pte's
@ -218,7 +222,6 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
}
#endif
}
#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
@ -234,6 +237,22 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
}
#endif
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval)
{
extern void __update_cache(unsigned long address, pte_t pte);
if (!pte_present(pteval))
goto cache_sync_done;
if (pte_present(*ptep) && (pte_pfn(*ptep) == pte_pfn(pteval)))
goto cache_sync_done;
__update_cache(addr, pteval);
cache_sync_done:
set_pte(ptep, pteval);
}
/*
* (pmds are folded into puds so this doesn't get actually called,
* but the define is needed for a generic inline function.)
@ -430,15 +449,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
extern void __update_tlb(struct vm_area_struct *vma, unsigned long address,
pte_t pte);
extern void __update_cache(struct vm_area_struct *vma, unsigned long address,
pte_t pte);
static inline void update_mmu_cache(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
{
pte_t pte = *ptep;
__update_tlb(vma, address, pte);
__update_cache(vma, address, pte);
}
static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,

View file

@ -45,7 +45,7 @@ extern unsigned int vced_count, vcei_count;
* User space process size: 2GB. This is hardcoded into a few places,
* so don't change it unless you know what you are doing.
*/
#define TASK_SIZE 0x7fff8000UL
#define TASK_SIZE 0x80000000UL
#endif
#define STACK_TOP_MAX TASK_SIZE

View file

@ -105,7 +105,7 @@ do { \
__clear_software_ll_bit(); \
if (cpu_has_userlocal) \
write_c0_userlocal(task_thread_info(next)->tp_value); \
__restore_watch(); \
__restore_watch(next); \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)

View file

@ -12,21 +12,21 @@
#include <asm/mipsregs.h>
void mips_install_watch_registers(void);
void mips_install_watch_registers(struct task_struct *t);
void mips_read_watch_registers(void);
void mips_clear_watch_registers(void);
void mips_probe_watch_registers(struct cpuinfo_mips *c);
#ifdef CONFIG_HARDWARE_WATCHPOINTS
#define __restore_watch() do { \
#define __restore_watch(task) do { \
if (unlikely(test_bit(TIF_LOAD_WATCH, \
&current_thread_info()->flags))) { \
mips_install_watch_registers(); \
&task_thread_info(task)->flags))) { \
mips_install_watch_registers(task); \
} \
} while (0)
#else
#define __restore_watch() do {} while (0)
#define __restore_watch(task) do {} while (0)
#endif
#endif /* _ASM_WATCH_H */

View file

@ -28,7 +28,7 @@
#define __ARCH_SIGSYS
#include <uapi/asm-generic/siginfo.h>
#include <asm-generic/siginfo.h>
/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
typedef struct siginfo {
@ -42,13 +42,13 @@ typedef struct siginfo {
/* kill() */
struct {
pid_t _pid; /* sender's pid */
__kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
timer_t _tid; /* timer id */
__kernel_timer_t _tid; /* timer id */
int _overrun; /* overrun count */
char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
sigval_t _sigval; /* same as below */
@ -57,26 +57,26 @@ typedef struct siginfo {
/* POSIX.1b signals */
struct {
pid_t _pid; /* sender's pid */
__kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
pid_t _pid; /* which child */
__kernel_pid_t _pid; /* which child */
__ARCH_SI_UID_T _uid; /* sender's uid */
int _status; /* exit code */
clock_t _utime;
clock_t _stime;
__kernel_clock_t _utime;
__kernel_clock_t _stime;
} _sigchld;
/* IRIX SIGCHLD */
struct {
pid_t _pid; /* which child */
clock_t _utime;
__kernel_pid_t _pid; /* which child */
__kernel_clock_t _utime;
int _status; /* exit code */
clock_t _stime;
__kernel_clock_t _stime;
} _irix_sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
@ -118,6 +118,4 @@ typedef struct siginfo {
#define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
#define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
#include <asm-generic/siginfo.h>
#endif /* _UAPI_ASM_SIGINFO_H */

View file

@ -28,6 +28,7 @@
#include <asm/inst.h>
#include <asm/mips-r2-to-r6-emul.h>
#include <asm/local.h>
#include <asm/mipsregs.h>
#include <asm/ptrace.h>
#include <asm/uaccess.h>
@ -1251,10 +1252,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1326,10 +1327,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1397,10 +1398,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1467,10 +1468,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1582,14 +1583,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
" .word 5b,8b\n"
" .word 6b,8b\n"
" .word 7b,8b\n"
" .word 0b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
STR(PTR) " 5b,8b\n"
STR(PTR) " 6b,8b\n"
STR(PTR) " 7b,8b\n"
STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1701,14 +1702,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
" .word 5b,8b\n"
" .word 6b,8b\n"
" .word 7b,8b\n"
" .word 0b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
STR(PTR) " 5b,8b\n"
STR(PTR) " 6b,8b\n"
STR(PTR) " 7b,8b\n"
STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1820,14 +1821,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
" .word 5b,8b\n"
" .word 6b,8b\n"
" .word 7b,8b\n"
" .word 0b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
STR(PTR) " 5b,8b\n"
STR(PTR) " 6b,8b\n"
STR(PTR) " 7b,8b\n"
STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -1938,14 +1939,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
" .word 1b,8b\n"
" .word 2b,8b\n"
" .word 3b,8b\n"
" .word 4b,8b\n"
" .word 5b,8b\n"
" .word 6b,8b\n"
" .word 7b,8b\n"
" .word 0b,8b\n"
STR(PTR) " 1b,8b\n"
STR(PTR) " 2b,8b\n"
STR(PTR) " 3b,8b\n"
STR(PTR) " 4b,8b\n"
STR(PTR) " 5b,8b\n"
STR(PTR) " 6b,8b\n"
STR(PTR) " 7b,8b\n"
STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@ -2000,7 +2001,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
".word 1b, 3b\n"
STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@ -2058,7 +2059,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
".word 1b, 3b\n"
STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
@ -2119,7 +2120,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
".word 1b, 3b\n"
STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@ -2182,7 +2183,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
".word 1b, 3b\n"
STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));

View file

@ -56,7 +56,7 @@ static void mips_cpu_restore(void)
write_c0_userlocal(current_thread_info()->tp_value);
/* Restore watch registers */
__restore_watch();
__restore_watch(current);
}
/**

View file

@ -457,7 +457,7 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page,
*sp + sizeof(*regs) <= stack_page + THREAD_SIZE - 32) {
regs = (struct pt_regs *)*sp;
pc = regs->cp0_epc;
if (__kernel_text_address(pc)) {
if (!user_mode(regs) && __kernel_text_address(pc)) {
*sp = regs->regs[29];
*ra = regs->regs[31];
return pc;
@ -603,6 +603,9 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6)
return -EOPNOTSUPP;
/* Proceed with the mode switch */
preempt_disable();
/* Save FP & vector context, then disable FPU & MSA */
if (task->signal == current->signal)
lose_fpu(1);
@ -661,6 +664,7 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
/* Allow threads to use FP again */
atomic_set(&task->mm->context.fp_mode_switching, 0);
preempt_enable();
return 0;
}

View file

@ -57,8 +57,7 @@ static void init_fp_ctx(struct task_struct *target)
/* Begin with data registers set to all 1s... */
memset(&target->thread.fpu.fpr, ~0, sizeof(target->thread.fpu.fpr));
/* ...and FCSR zeroed */
target->thread.fpu.fcr31 = 0;
/* FCSR has been preset by `mips_set_personality_nan'. */
/*
* Record that the target has "used" math, such that the context
@ -79,6 +78,22 @@ void ptrace_disable(struct task_struct *child)
clear_tsk_thread_flag(child, TIF_LOAD_WATCH);
}
/*
* Poke at FCSR according to its mask. Don't set the cause bits as
* this is currently not handled correctly in FP context restoration
* and will cause an oops if a corresponding enable bit is set.
*/
static void ptrace_setfcr31(struct task_struct *child, u32 value)
{
u32 fcr31;
u32 mask;
value &= ~FPU_CSR_ALL_X;
fcr31 = child->thread.fpu.fcr31;
mask = boot_cpu_data.fpu_msk31;
child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask);
}
/*
* Read a general register set. We always use the 64-bit format, even
* for 32-bit kernels and for 32-bit processes on a 64-bit kernel.
@ -159,9 +174,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
{
union fpureg *fregs;
u64 fpr_val;
u32 fcr31;
u32 value;
u32 mask;
int i;
if (!access_ok(VERIFY_READ, data, 33 * 8))
@ -176,9 +189,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
}
__get_user(value, data + 64);
fcr31 = child->thread.fpu.fcr31;
mask = boot_cpu_data.fpu_msk31;
child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask);
ptrace_setfcr31(child, value);
/* FIR may not be written. */
@ -808,7 +819,7 @@ long arch_ptrace(struct task_struct *child, long request,
break;
#endif
case FPC_CSR:
child->thread.fpu.fcr31 = data & ~FPU_CSR_ALL_X;
ptrace_setfcr31(child, data);
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;

View file

@ -244,17 +244,17 @@ LEAF(\name)
.set push
.set noat
#ifdef CONFIG_64BIT
copy_u_d \wr, 1
copy_s_d \wr, 1
EX sd $1, \off(\base)
#elif defined(CONFIG_CPU_LITTLE_ENDIAN)
copy_u_w \wr, 2
copy_s_w \wr, 2
EX sw $1, \off(\base)
copy_u_w \wr, 3
copy_s_w \wr, 3
EX sw $1, (\off+4)(\base)
#else /* CONFIG_CPU_BIG_ENDIAN */
copy_u_w \wr, 2
copy_s_w \wr, 2
EX sw $1, (\off+4)(\base)
copy_u_w \wr, 3
copy_s_w \wr, 3
EX sw $1, \off(\base)
#endif
.set pop

View file

@ -706,6 +706,9 @@ static void __init arch_mem_init(char **cmdline_p)
for_each_memblock(reserved, reg)
if (reg->size != 0)
reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
reserve_bootmem_region(__pa_symbol(&__nosave_begin),
__pa_symbol(&__nosave_end)); /* Reserve for hibernation */
}
static void __init resource_init(void)

View file

@ -195,6 +195,9 @@ static int restore_msa_extcontext(void __user *buf, unsigned int size)
unsigned int csr;
int i, err;
if (!config_enabled(CONFIG_CPU_HAS_MSA))
return SIGSYS;
if (size != sizeof(*msa))
return -EINVAL;
@ -398,8 +401,8 @@ int protected_restore_fp_context(void __user *sc)
}
fp_done:
if (used & USED_EXTCONTEXT)
err |= restore_extcontext(sc_to_extcontext(sc));
if (!err && (used & USED_EXTCONTEXT))
err = restore_extcontext(sc_to_extcontext(sc));
return err ?: sig;
}
@ -767,15 +770,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
sigset_t *oldset = sigmask_to_save();
int ret;
struct mips_abi *abi = current->thread.abi;
#ifdef CONFIG_CPU_MICROMIPS
void *vdso;
unsigned long tmp = (unsigned long)current->mm->context.vdso;
set_isa16_mode(tmp);
vdso = (void *)tmp;
#else
void *vdso = current->mm->context.vdso;
#endif
if (regs->regs[0]) {
switch(regs->regs[2]) {

View file

@ -144,7 +144,7 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
if (!task)
task = current;
if (raw_show_trace || !__kernel_text_address(pc)) {
if (raw_show_trace || user_mode(regs) || !__kernel_text_address(pc)) {
show_raw_backtrace(sp);
return;
}
@ -1241,7 +1241,7 @@ static int enable_restore_fp_context(int msa)
err = init_fpu();
if (msa && !err) {
enable_msa();
_init_msa_upper();
init_msa_upper();
set_thread_flag(TIF_USEDMSA);
set_thread_flag(TIF_MSA_CTX_LIVE);
}
@ -1304,7 +1304,7 @@ static int enable_restore_fp_context(int msa)
*/
prior_msa = test_and_set_thread_flag(TIF_MSA_CTX_LIVE);
if (!prior_msa && was_fpu_owner) {
_init_msa_upper();
init_msa_upper();
goto out;
}
@ -1321,7 +1321,7 @@ static int enable_restore_fp_context(int msa)
* of each vector register such that it cannot see data left
* behind by another task.
*/
_init_msa_upper();
init_msa_upper();
} else {
/* We need to restore the vector context. */
restore_msa(current);

View file

@ -15,10 +15,9 @@
* Install the watch registers for the current thread. A maximum of
* four registers are installed although the machine may have more.
*/
void mips_install_watch_registers(void)
void mips_install_watch_registers(struct task_struct *t)
{
struct mips3264_watch_reg_state *watches =
&current->thread.watch.mips3264;
struct mips3264_watch_reg_state *watches = &t->thread.watch.mips3264;
switch (current_cpu_data.watch_reg_use_cnt) {
default:
BUG();

View file

@ -302,12 +302,31 @@ static inline ktime_t kvm_mips_count_time(struct kvm_vcpu *vcpu)
*/
static uint32_t kvm_mips_read_count_running(struct kvm_vcpu *vcpu, ktime_t now)
{
ktime_t expires;
struct mips_coproc *cop0 = vcpu->arch.cop0;
ktime_t expires, threshold;
uint32_t count, compare;
int running;
/* Is the hrtimer pending? */
/* Calculate the biased and scaled guest CP0_Count */
count = vcpu->arch.count_bias + kvm_mips_ktime_to_count(vcpu, now);
compare = kvm_read_c0_guest_compare(cop0);
/*
* Find whether CP0_Count has reached the closest timer interrupt. If
* not, we shouldn't inject it.
*/
if ((int32_t)(count - compare) < 0)
return count;
/*
* The CP0_Count we're going to return has already reached the closest
* timer interrupt. Quickly check if it really is a new interrupt by
* looking at whether the interval until the hrtimer expiry time is
* less than 1/4 of the timer period.
*/
expires = hrtimer_get_expires(&vcpu->arch.comparecount_timer);
if (ktime_compare(now, expires) >= 0) {
threshold = ktime_add_ns(now, vcpu->arch.count_period / 4);
if (ktime_before(expires, threshold)) {
/*
* Cancel it while we handle it so there's no chance of
* interference with the timeout handler.
@ -329,8 +348,7 @@ static uint32_t kvm_mips_read_count_running(struct kvm_vcpu *vcpu, ktime_t now)
}
}
/* Return the biased and scaled guest CP0_Count */
return vcpu->arch.count_bias + kvm_mips_ktime_to_count(vcpu, now);
return count;
}
/**
@ -419,32 +437,6 @@ static void kvm_mips_resume_hrtimer(struct kvm_vcpu *vcpu,
hrtimer_start(&vcpu->arch.comparecount_timer, expire, HRTIMER_MODE_ABS);
}
/**
* kvm_mips_update_hrtimer() - Update next expiry time of hrtimer.
* @vcpu: Virtual CPU.
*
* Recalculates and updates the expiry time of the hrtimer. This can be used
* after timer parameters have been altered which do not depend on the time that
* the change occurs (in those cases kvm_mips_freeze_hrtimer() and
* kvm_mips_resume_hrtimer() are used directly).
*
* It is guaranteed that no timer interrupts will be lost in the process.
*
* Assumes !kvm_mips_count_disabled(@vcpu) (guest CP0_Count timer is running).
*/
static void kvm_mips_update_hrtimer(struct kvm_vcpu *vcpu)
{
ktime_t now;
uint32_t count;
/*
* freeze_hrtimer takes care of a timer interrupts <= count, and
* resume_hrtimer the hrtimer takes care of a timer interrupts > count.
*/
now = kvm_mips_freeze_hrtimer(vcpu, &count);
kvm_mips_resume_hrtimer(vcpu, now, count);
}
/**
* kvm_mips_write_count() - Modify the count and update timer.
* @vcpu: Virtual CPU.
@ -540,23 +532,42 @@ int kvm_mips_set_count_hz(struct kvm_vcpu *vcpu, s64 count_hz)
* kvm_mips_write_compare() - Modify compare and update timer.
* @vcpu: Virtual CPU.
* @compare: New CP0_Compare value.
* @ack: Whether to acknowledge timer interrupt.
*
* Update CP0_Compare to a new value and update the timeout.
* If @ack, atomically acknowledge any pending timer interrupt, otherwise ensure
* any pending timer interrupt is preserved.
*/
void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare)
void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare, bool ack)
{
struct mips_coproc *cop0 = vcpu->arch.cop0;
int dc;
u32 old_compare = kvm_read_c0_guest_compare(cop0);
ktime_t now;
uint32_t count;
/* if unchanged, must just be an ack */
if (kvm_read_c0_guest_compare(cop0) == compare)
if (old_compare == compare) {
if (!ack)
return;
kvm_mips_callbacks->dequeue_timer_int(vcpu);
kvm_write_c0_guest_compare(cop0, compare);
return;
}
/* freeze_hrtimer() takes care of timer interrupts <= count */
dc = kvm_mips_count_disabled(vcpu);
if (!dc)
now = kvm_mips_freeze_hrtimer(vcpu, &count);
if (ack)
kvm_mips_callbacks->dequeue_timer_int(vcpu);
/* Update compare */
kvm_write_c0_guest_compare(cop0, compare);
/* Update timeout if count enabled */
if (!kvm_mips_count_disabled(vcpu))
kvm_mips_update_hrtimer(vcpu);
/* resume_hrtimer() takes care of timer interrupts > count */
if (!dc)
kvm_mips_resume_hrtimer(vcpu, now, count);
}
/**
@ -1095,9 +1106,9 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
/* If we are writing to COMPARE */
/* Clear pending timer interrupt, if any */
kvm_mips_callbacks->dequeue_timer_int(vcpu);
kvm_mips_write_compare(vcpu,
vcpu->arch.gprs[rt]);
vcpu->arch.gprs[rt],
true);
} else if ((rd == MIPS_CP0_STATUS) && (sel == 0)) {
unsigned int old_val, val, change;

View file

@ -28,6 +28,7 @@
#define MIPS_EXC_MAX 12
/* XXXSL More to follow */
extern char __kvm_mips_vcpu_run_end[];
extern char mips32_exception[], mips32_exceptionEnd[];
extern char mips32_GuestException[], mips32_GuestExceptionEnd[];

View file

@ -227,6 +227,7 @@ FEXPORT(__kvm_mips_load_k0k1)
/* Jump to guest */
eret
EXPORT(__kvm_mips_vcpu_run_end)
VECTOR(MIPSX(exception), unknown)
/* Find out what mode we came from and jump to the proper handler. */

View file

@ -314,6 +314,15 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
memcpy(gebase + offset, mips32_GuestException,
mips32_GuestExceptionEnd - mips32_GuestException);
#ifdef MODULE
offset += mips32_GuestExceptionEnd - mips32_GuestException;
memcpy(gebase + offset, (char *)__kvm_mips_vcpu_run,
__kvm_mips_vcpu_run_end - (char *)__kvm_mips_vcpu_run);
vcpu->arch.vcpu_run = gebase + offset;
#else
vcpu->arch.vcpu_run = __kvm_mips_vcpu_run;
#endif
/* Invalidate the icache for these ranges */
local_flush_icache_range((unsigned long)gebase,
(unsigned long)gebase + ALIGN(size, PAGE_SIZE));
@ -403,7 +412,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
/* Disable hardware page table walking while in guest */
htw_stop();
r = __kvm_mips_vcpu_run(run, vcpu);
r = vcpu->arch.vcpu_run(run, vcpu);
/* Re-enable HTW before enabling interrupts */
htw_start();

View file

@ -547,7 +547,7 @@ static int kvm_trap_emul_set_one_reg(struct kvm_vcpu *vcpu,
kvm_mips_write_count(vcpu, v);
break;
case KVM_REG_MIPS_CP0_COMPARE:
kvm_mips_write_compare(vcpu, v);
kvm_mips_write_compare(vcpu, v, false);
break;
case KVM_REG_MIPS_CP0_CAUSE:
/*

View file

@ -2,7 +2,7 @@
#include "libgcc.h"
long long __ashldi3(long long u, word_type b)
long long notrace __ashldi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;

View file

@ -2,7 +2,7 @@
#include "libgcc.h"
long long __ashrdi3(long long u, word_type b)
long long notrace __ashrdi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;

View file

@ -1,6 +1,6 @@
#include <linux/module.h>
unsigned long long __bswapdi2(unsigned long long u)
unsigned long long notrace __bswapdi2(unsigned long long u)
{
return (((u) & 0xff00000000000000ull) >> 56) |
(((u) & 0x00ff000000000000ull) >> 40) |

View file

@ -1,6 +1,6 @@
#include <linux/module.h>
unsigned int __bswapsi2(unsigned int u)
unsigned int notrace __bswapsi2(unsigned int u)
{
return (((u) & 0xff000000) >> 24) |
(((u) & 0x00ff0000) >> 8) |

View file

@ -2,7 +2,7 @@
#include "libgcc.h"
word_type __cmpdi2(long long a, long long b)
word_type notrace __cmpdi2(long long a, long long b)
{
const DWunion au = {
.ll = a

View file

@ -2,7 +2,7 @@
#include "libgcc.h"
long long __lshrdi3(long long u, word_type b)
long long notrace __lshrdi3(long long u, word_type b)
{
DWunion uu, w;
word_type bm;

View file

@ -2,7 +2,7 @@
#include "libgcc.h"
word_type __ucmpdi2(unsigned long long a, unsigned long long b)
word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
{
const DWunion au = {.ll = a};
const DWunion bu = {.ll = b};

View file

@ -213,10 +213,10 @@ static void __init node_mem_init(unsigned int node)
BOOTMEM_DEFAULT);
if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) {
/* Reserve 0xff800000~0xffffffff for RS780E integrated GPU */
/* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */
reserve_bootmem_node(NODE_DATA(node),
(node_addrspace_offset | 0xff800000),
8 << 20, BOOTMEM_DEFAULT);
(node_addrspace_offset | 0xfe000000),
32 << 20, BOOTMEM_DEFAULT);
}
sparse_memory_present_with_active_regions(node);

View file

@ -445,9 +445,11 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case spec_op:
switch (insn.r_format.func) {
case jalr_op:
regs->regs[insn.r_format.rd] =
regs->cp0_epc + dec_insn.pc_inc +
dec_insn.next_pc_inc;
if (insn.r_format.rd != 0) {
regs->regs[insn.r_format.rd] =
regs->cp0_epc + dec_insn.pc_inc +
dec_insn.next_pc_inc;
}
/* Fall through */
case jr_op:
/* For R6, JR already emulated in jalr_op */

View file

@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <asm/cacheflush.h>
#include <asm/highmem.h>
#include <asm/processor.h>
#include <asm/cpu.h>
#include <asm/cpu-features.h>
@ -83,8 +84,6 @@ void __flush_dcache_page(struct page *page)
struct address_space *mapping = page_mapping(page);
unsigned long addr;
if (PageHighMem(page))
return;
if (mapping && !mapping_mapped(mapping)) {
SetPageDcacheDirty(page);
return;
@ -95,8 +94,15 @@ void __flush_dcache_page(struct page *page)
* case is for exec env/arg pages and those are %99 certainly going to
* get faulted into the tlb (and thus flushed) anyways.
*/
addr = (unsigned long) page_address(page);
if (PageHighMem(page))
addr = (unsigned long)kmap_atomic(page);
else
addr = (unsigned long)page_address(page);
flush_data_cache_page(addr);
if (PageHighMem(page))
__kunmap_atomic((void *)addr);
}
EXPORT_SYMBOL(__flush_dcache_page);
@ -119,33 +125,28 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
EXPORT_SYMBOL(__flush_anon_page);
void __flush_icache_page(struct vm_area_struct *vma, struct page *page)
{
unsigned long addr;
if (PageHighMem(page))
return;
addr = (unsigned long) page_address(page);
flush_data_cache_page(addr);
}
EXPORT_SYMBOL_GPL(__flush_icache_page);
void __update_cache(struct vm_area_struct *vma, unsigned long address,
pte_t pte)
void __update_cache(unsigned long address, pte_t pte)
{
struct page *page;
unsigned long pfn, addr;
int exec = (vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc;
int exec = !pte_no_exec(pte) && !cpu_has_ic_fills_f_dc;
pfn = pte_pfn(pte);
if (unlikely(!pfn_valid(pfn)))
return;
page = pfn_to_page(pfn);
if (page_mapping(page) && Page_dcache_dirty(page)) {
addr = (unsigned long) page_address(page);
if (Page_dcache_dirty(page)) {
if (PageHighMem(page))
addr = (unsigned long)kmap_atomic(page);
else
addr = (unsigned long)page_address(page);
if (exec || pages_do_alias(addr, address & PAGE_MASK))
flush_data_cache_page(addr);
if (PageHighMem(page))
__kunmap_atomic((void *)addr);
ClearPageDcacheDirty(page);
}
}

View file

@ -5,10 +5,12 @@ obj-vdso-y := elf.o gettimeofday.o sigreturn.o
ccflags-vdso := \
$(filter -I%,$(KBUILD_CFLAGS)) \
$(filter -E%,$(KBUILD_CFLAGS)) \
$(filter -mmicromips,$(KBUILD_CFLAGS)) \
$(filter -march=%,$(KBUILD_CFLAGS))
cflags-vdso := $(ccflags-vdso) \
$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
-O2 -g -fPIC -fno-common -fno-builtin -G 0 -DDISABLE_BRANCH_PROFILING \
-O2 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
-DDISABLE_BRANCH_PROFILING \
$(call cc-option, -fno-stack-protector)
aflags-vdso := $(ccflags-vdso) \
$(filter -I%,$(KBUILD_CFLAGS)) \

View file

@ -666,7 +666,7 @@ void handle_unaligned(struct pt_regs *regs)
break;
}
if (modify && R1(regs->iir))
if (ret == 0 && modify && R1(regs->iir))
regs->gr[R1(regs->iir)] = newbase;
@ -677,6 +677,14 @@ void handle_unaligned(struct pt_regs *regs)
if (ret)
{
/*
* The unaligned handler failed.
* If we were called by __get_user() or __put_user() jump
* to it's exception fixup handler instead of crashing.
*/
if (!user_mode(regs) && fixup_exception(regs))
return;
printk(KERN_CRIT "Unaligned handler failed, ret = %d\n", ret);
die_if_kernel("Unaligned data reference", regs, 28);

View file

@ -707,7 +707,7 @@
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
#define SPRN_MMCR2 769
#define SPRN_MMCR2 785
#define SPRN_MMCRA 0x312
#define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
#define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
@ -744,13 +744,13 @@
#define SPRN_PMC6 792
#define SPRN_PMC7 793
#define SPRN_PMC8 794
#define SPRN_SIAR 780
#define SPRN_SDAR 781
#define SPRN_SIER 784
#define SIER_SIPR 0x2000000 /* Sampled MSR_PR */
#define SIER_SIHV 0x1000000 /* Sampled MSR_HV */
#define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */
#define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */
#define SPRN_SIAR 796
#define SPRN_SDAR 797
#define SPRN_TACR 888
#define SPRN_TCSCR 889
#define SPRN_CSIGR 890

View file

@ -1072,7 +1072,7 @@ void eeh_add_device_early(struct pci_dn *pdn)
struct pci_controller *phb;
struct eeh_dev *edev = pdn_to_eeh_dev(pdn);
if (!edev || !eeh_enabled())
if (!edev)
return;
if (!eeh_has_flag(EEH_PROBE_MODE_DEVTREE))

View file

@ -166,6 +166,16 @@ static void *eeh_dev_save_state(void *data, void *userdata)
if (!edev)
return NULL;
/*
* We cannot access the config space on some adapters.
* Otherwise, it will cause fenced PHB. We don't save
* the content in their config space and will restore
* from the initial config space saved when the EEH
* device is created.
*/
if (edev->pe && (edev->pe->state & EEH_PE_CFG_RESTRICTED))
return NULL;
pdev = eeh_dev_to_pci_dev(edev);
if (!pdev)
return NULL;
@ -305,6 +315,19 @@ static void *eeh_dev_restore_state(void *data, void *userdata)
if (!edev)
return NULL;
/*
* The content in the config space isn't saved because
* the blocked config space on some adapters. We have
* to restore the initial saved config space when the
* EEH device is created.
*/
if (edev->pe && (edev->pe->state & EEH_PE_CFG_RESTRICTED)) {
if (list_is_last(&edev->list, &edev->pe->edevs))
eeh_pe_restore_bars(edev->pe);
return NULL;
}
pdev = eeh_dev_to_pci_dev(edev);
if (!pdev)
return NULL;
@ -504,9 +527,6 @@ int eeh_pe_reset_and_recover(struct eeh_pe *pe)
/* Save states */
eeh_pe_dev_traverse(pe, eeh_dev_save_state, NULL);
/* Report error */
eeh_pe_dev_traverse(pe, eeh_report_error, &result);
/* Issue reset */
ret = eeh_reset_pe(pe);
if (ret) {

View file

@ -962,11 +962,6 @@ hv_facility_unavailable_relon_trampoline:
#endif
STD_RELON_EXCEPTION_PSERIES(0x5700, 0x1700, altivec_assist)
/* Other future vectors */
.align 7
.globl __end_interrupts
__end_interrupts:
.align 7
system_call_entry:
b system_call_common
@ -1253,6 +1248,17 @@ __end_handlers:
STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable)
/*
* The __end_interrupts marker must be past the out-of-line (OOL)
* handlers, so that they are copied to real address 0x100 when running
* a relocatable kernel. This ensures they can be reached from the short
* trampoline handlers (like 0x4f00, 0x4f20, etc.) which branch
* directly, without using LOAD_HANDLER().
*/
.align 7
.globl __end_interrupts
__end_interrupts:
#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
/*
* Data area reserved for FWNMI option.

View file

@ -1239,6 +1239,16 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
current->thread.regs = regs - 1;
}
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
/*
* Clear any transactional state, we're exec()ing. The cause is
* not important as there will never be a recheckpoint so it's not
* user visible.
*/
if (MSR_TM_SUSPENDED(mfmsr()))
tm_reclaim_current(0);
#endif
memset(regs->gpr, 0, sizeof(regs->gpr));
regs->ctr = 0;
regs->link = 0;

View file

@ -655,6 +655,7 @@ unsigned char ibm_architecture_vec[] = {
W(0xffff0000), W(0x003e0000), /* POWER6 */
W(0xffff0000), W(0x003f0000), /* POWER7 */
W(0xffff0000), W(0x004b0000), /* POWER8E */
W(0xffff0000), W(0x004c0000), /* POWER8NVL */
W(0xffff0000), W(0x004d0000), /* POWER8 */
W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */
W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */
@ -717,7 +718,7 @@ unsigned char ibm_architecture_vec[] = {
* must match by the macro below. Update the definition if
* the structure layout changes.
*/
#define IBM_ARCH_VEC_NRCORES_OFFSET 125
#define IBM_ARCH_VEC_NRCORES_OFFSET 133
W(NR_CPUS), /* number of cores supported */
0,
0,

View file

@ -615,29 +615,50 @@ static int pseries_eeh_configure_bridge(struct eeh_pe *pe)
{
int config_addr;
int ret;
/* Waiting 0.2s maximum before skipping configuration */
int max_wait = 200;
/* Figure out the PE address */
config_addr = pe->config_addr;
if (pe->addr)
config_addr = pe->addr;
/* Use new configure-pe function, if supported */
if (ibm_configure_pe != RTAS_UNKNOWN_SERVICE) {
ret = rtas_call(ibm_configure_pe, 3, 1, NULL,
config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid));
} else if (ibm_configure_bridge != RTAS_UNKNOWN_SERVICE) {
ret = rtas_call(ibm_configure_bridge, 3, 1, NULL,
config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid));
} else {
return -EFAULT;
while (max_wait > 0) {
/* Use new configure-pe function, if supported */
if (ibm_configure_pe != RTAS_UNKNOWN_SERVICE) {
ret = rtas_call(ibm_configure_pe, 3, 1, NULL,
config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid));
} else if (ibm_configure_bridge != RTAS_UNKNOWN_SERVICE) {
ret = rtas_call(ibm_configure_bridge, 3, 1, NULL,
config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid));
} else {
return -EFAULT;
}
if (!ret)
return ret;
/*
* If RTAS returns a delay value that's above 100ms, cut it
* down to 100ms in case firmware made a mistake. For more
* on how these delay values work see rtas_busy_delay_time
*/
if (ret > RTAS_EXTENDED_DELAY_MIN+2 &&
ret <= RTAS_EXTENDED_DELAY_MAX)
ret = RTAS_EXTENDED_DELAY_MIN+2;
max_wait -= rtas_busy_delay_time(ret);
if (max_wait < 0)
break;
rtas_busy_delay(ret);
}
if (ret)
pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n",
__func__, pe->phb->global_number, pe->addr, ret);
pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n",
__func__, pe->phb->global_number, pe->addr, ret);
return ret;
}

View file

@ -912,7 +912,8 @@ machine_arch_initcall(pseries, find_existing_ddw_windows);
static int query_ddw(struct pci_dev *dev, const u32 *ddw_avail,
struct ddw_query_response *query)
{
struct eeh_dev *edev;
struct device_node *dn;
struct pci_dn *pdn;
u32 cfg_addr;
u64 buid;
int ret;
@ -923,11 +924,10 @@ static int query_ddw(struct pci_dev *dev, const u32 *ddw_avail,
* Retrieve them from the pci device, not the node with the
* dma-window property
*/
edev = pci_dev_to_eeh_dev(dev);
cfg_addr = edev->config_addr;
if (edev->pe_config_addr)
cfg_addr = edev->pe_config_addr;
buid = edev->phb->buid;
dn = pci_device_to_OF_node(dev);
pdn = PCI_DN(dn);
buid = pdn->phb->buid;
cfg_addr = ((pdn->busno << 16) | (pdn->devfn << 8));
ret = rtas_call(ddw_avail[0], 3, 5, (u32 *)query,
cfg_addr, BUID_HI(buid), BUID_LO(buid));
@ -941,7 +941,8 @@ static int create_ddw(struct pci_dev *dev, const u32 *ddw_avail,
struct ddw_create_response *create, int page_shift,
int window_shift)
{
struct eeh_dev *edev;
struct device_node *dn;
struct pci_dn *pdn;
u32 cfg_addr;
u64 buid;
int ret;
@ -952,11 +953,10 @@ static int create_ddw(struct pci_dev *dev, const u32 *ddw_avail,
* Retrieve them from the pci device, not the node with the
* dma-window property
*/
edev = pci_dev_to_eeh_dev(dev);
cfg_addr = edev->config_addr;
if (edev->pe_config_addr)
cfg_addr = edev->pe_config_addr;
buid = edev->phb->buid;
dn = pci_device_to_OF_node(dev);
pdn = PCI_DN(dn);
buid = pdn->phb->buid;
cfg_addr = ((pdn->busno << 16) | (pdn->devfn << 8));
do {
/* extra outputs are LIOBN and dma-addr (hi, lo) */

View file

@ -22,7 +22,7 @@ static inline int test_fp_ctl(u32 fpc)
" la %0,0\n"
"1:\n"
EX_TABLE(0b,1b)
: "=d" (rc), "=d" (orig_fpc)
: "=d" (rc), "=&d" (orig_fpc)
: "d" (fpc), "0" (-EINVAL));
return rc;
}

View file

@ -37,7 +37,7 @@ extern u8 sk_load_word[], sk_load_half[], sk_load_byte[];
* | | |
* +---------------+ |
* | 8 byte skbp | |
* R15+170 -> +---------------+ |
* R15+176 -> +---------------+ |
* | 8 byte hlen | |
* R15+168 -> +---------------+ |
* | 4 byte align | |
@ -58,7 +58,7 @@ extern u8 sk_load_word[], sk_load_half[], sk_load_byte[];
#define STK_OFF (STK_SPACE - STK_160_UNUSED)
#define STK_OFF_TMP 160 /* Offset of tmp buffer on stack */
#define STK_OFF_HLEN 168 /* Offset of SKB header length on stack */
#define STK_OFF_SKBP 170 /* Offset of SKB pointer on stack */
#define STK_OFF_SKBP 176 /* Offset of SKB pointer on stack */
#define STK_OFF_R6 (160 - 11 * 8) /* Offset of r6 on stack */
#define STK_OFF_TCCNT (160 - 12 * 8) /* Offset of tail_call_cnt on stack */

View file

@ -45,7 +45,7 @@ struct bpf_jit {
int labels[1]; /* Labels for local jumps */
};
#define BPF_SIZE_MAX 0x7ffff /* Max size for program (20 bit signed displ) */
#define BPF_SIZE_MAX 0xffff /* Max size for program (16 bit branches) */
#define SEEN_SKB 1 /* skb access */
#define SEEN_MEM 2 /* use mem[] for temporary storage */
@ -446,7 +446,7 @@ static void bpf_jit_prologue(struct bpf_jit *jit, bool is_classic)
emit_load_skb_data_hlen(jit);
if (jit->seen & SEEN_SKB_CHANGE)
/* stg %b1,ST_OFF_SKBP(%r0,%r15) */
EMIT6_DISP_LH(0xe3000000, 0x0024, REG_W1, REG_0, REG_15,
EMIT6_DISP_LH(0xe3000000, 0x0024, BPF_REG_1, REG_0, REG_15,
STK_OFF_SKBP);
/* Clear A (%b0) and X (%b7) registers for converted BPF programs */
if (is_classic) {

View file

@ -15,6 +15,10 @@
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
#define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
#define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
#define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
#define __CHEETAH_ID 0x003e0014
#define __JALAPENO_ID 0x003e0016
#define __SERRANO_ID 0x003e0022

View file

@ -375,7 +375,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t prot)
#define pgprot_noncached pgprot_noncached
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
static inline pte_t pte_mkhuge(pte_t pte)
static inline unsigned long __pte_huge_mask(void)
{
unsigned long mask;
@ -390,8 +390,19 @@ static inline pte_t pte_mkhuge(pte_t pte)
: "=r" (mask)
: "i" (_PAGE_SZHUGE_4U), "i" (_PAGE_SZHUGE_4V));
return __pte(pte_val(pte) | mask);
return mask;
}
static inline pte_t pte_mkhuge(pte_t pte)
{
return __pte(pte_val(pte) | __pte_huge_mask());
}
static inline bool is_hugetlb_pte(pte_t pte)
{
return !!(pte_val(pte) & __pte_huge_mask());
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
static inline pmd_t pmd_mkhuge(pmd_t pmd)
{
@ -403,6 +414,11 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd)
return __pmd(pte_val(pte));
}
#endif
#else
static inline bool is_hugetlb_pte(pte_t pte)
{
return false;
}
#endif
static inline pte_t pte_mkdirty(pte_t pte)
@ -865,6 +881,19 @@ static inline unsigned long pud_pfn(pud_t pud)
void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
pte_t *ptep, pte_t orig, int fullmm);
static void maybe_tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
pte_t *ptep, pte_t orig, int fullmm)
{
/* It is more efficient to let flush_tlb_kernel_range()
* handle init_mm tlb flushes.
*
* SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U
* and SUN4V pte layout, so this inline test is fine.
*/
if (likely(mm != &init_mm) && pte_accessible(mm, orig))
tlb_batch_add(mm, vaddr, ptep, orig, fullmm);
}
#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
unsigned long addr,
@ -881,15 +910,7 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t orig = *ptep;
*ptep = pte;
/* It is more efficient to let flush_tlb_kernel_range()
* handle init_mm tlb flushes.
*
* SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U
* and SUN4V pte layout, so this inline test is fine.
*/
if (likely(mm != &init_mm) && pte_accessible(mm, orig))
tlb_batch_add(mm, addr, ptep, orig, fullmm);
maybe_tlb_batch_add(mm, addr, ptep, orig, fullmm);
}
#define set_pte_at(mm,addr,ptep,pte) \

View file

@ -8,6 +8,7 @@
#define TLB_BATCH_NR 192
struct tlb_batch {
bool huge;
struct mm_struct *mm;
unsigned long tlb_nr;
unsigned long active;
@ -16,7 +17,7 @@ struct tlb_batch {
void flush_tsb_kernel_range(unsigned long start, unsigned long end);
void flush_tsb_user(struct tlb_batch *tb);
void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr, bool huge);
/* TLB flush operations. */

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