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Merge remote-tracking branch 'lsk-44/linux-linaro-lsk-v4.4' into 44rc2

Browse source 
* lsk-44/linux-linaro-lsk-v4.4:
  Linux 4.4.3
  modules: fix modparam async_probe request
  module: wrapper for symbol name.
  itimers: Handle relative timers with CONFIG_TIME_LOW_RES proper
  posix-timers: Handle relative timers with CONFIG_TIME_LOW_RES proper
  timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
  prctl: take mmap sem for writing to protect against others
  xfs: log mount failures don't wait for buffers to be released
  Revert "xfs: clear PF_NOFREEZE for xfsaild kthread"
  xfs: inode recovery readahead can race with inode buffer creation
  libxfs: pack the agfl header structure so XFS_AGFL_SIZE is correct
  ovl: setattr: check permissions before copy-up
  ovl: root: copy attr
  ovl: check dentry positiveness in ovl_cleanup_whiteouts()
  ovl: use a minimal buffer in ovl_copy_xattr
  ovl: allow zero size xattr
  futex: Drop refcount if requeue_pi() acquired the rtmutex
  devm_memremap_release(): fix memremap'd addr handling
  ipc/shm: handle removed segments gracefully in shm_mmap()
  intel_scu_ipcutil: underflow in scu_reg_access()
  mm,thp: khugepaged: call pte flush at the time of collapse
  dump_stack: avoid potential deadlocks
  radix-tree: fix oops after radix_tree_iter_retry
  drivers/hwspinlock: fix race between radix tree insertion and lookup
  radix-tree: fix race in gang lookup
  MAINTAINERS: return arch/sh to maintained state, with new maintainers
  memcg: only free spare array when readers are done
  numa: fix /proc/<pid>/numa_maps for hugetlbfs on s390
  fs/hugetlbfs/inode.c: fix bugs in hugetlb_vmtruncate_list()
  scripts/bloat-o-meter: fix python3 syntax error
  dma-debug: switch check from _text to _stext
  m32r: fix m32104ut_defconfig build fail
  xhci: Fix list corruption in urb dequeue at host removal
  Revert "xhci: don't finish a TD if we get a short-transfer event mid TD"
  iommu/vt-d: Clear PPR bit to ensure we get more page request interrupts
  iommu/vt-d: Fix 64-bit accesses to 32-bit DMAR_GSTS_REG
  iommu/vt-d: Fix mm refcounting to hold mm_count not mm_users
  iommu/amd: Correct the wrong setting of alias DTE in do_attach
  iommu/vt-d: Don't skip PCI devices when disabling IOTLB
  Input: vmmouse - fix absolute device registration
  string_helpers: fix precision loss for some inputs
  Input: i8042 - add Fujitsu Lifebook U745 to the nomux list
  Input: elantech - mark protocols v2 and v3 as semi-mt
  mm: fix regression in remap_file_pages() emulation
  mm: replace vma_lock_anon_vma with anon_vma_lock_read/write
  mm: fix mlock accouting
  libnvdimm: fix namespace object confusion in is_uuid_busy()
  mm: soft-offline: check return value in second __get_any_page() call
  perf kvm record/report: 'unprocessable sample' error while recording/reporting guest data
  KVM: PPC: Fix ONE_REG AltiVec support
  KVM: PPC: Fix emulation of H_SET_DABR/X on POWER8
  KVM: arm/arm64: Fix reference to uninitialised VGIC
  arm64: dma-mapping: fix handling of devices registered before arch_initcall
  ARM: OMAP2+: Fix ppa_zero_params and ppa_por_params for rodata
  ARM: OMAP2+: Fix save_secure_ram_context for rodata
  ARM: OMAP2+: Fix l2dis_3630 for rodata
  ARM: OMAP2+: Fix l2_inv_api_params for rodata
  ARM: OMAP2+: Fix wait_dll_lock_timed for rodata
  ARM: dts: at91: sama5d4ek: add phy address and IRQ for macb0
  ARM: dts: at91: sama5d4 xplained: fix phy0 IRQ type
  ARM: dts: at91: sama5d4: fix instance id of DBGU
  ARM: dts: at91: sama5d4 xplained: properly mux phy interrupt
  ARM: dts: omap5-board-common: enable rtc and charging of backup battery
  ARM: dts: Fix omap5 PMIC control lines for RTC writes
  ARM: dts: Fix wl12xx missing clocks that cause hangs
  ARM: nomadik: fix up SD/MMC DT settings
  ARM: 8517/1: ICST: avoid arithmetic overflow in icst_hz()
  ARM: 8519/1: ICST: try other dividends than 1
  arm64: mm: avoid calling apply_to_page_range on empty range
  ARM: mvebu: remove duplicated regulator definition in Armada 388 GP
  powerpc/ioda: Set "read" permission when "write" is set
  powerpc/powernv: Fix stale PE primary bus
  powerpc/eeh: Fix stale cached primary bus
  powerpc/eeh: Fix PE location code
  SUNRPC: Fixup socket wait for memory
  udf: Check output buffer length when converting name to CS0
  udf: Prevent buffer overrun with multi-byte characters
  udf: limit the maximum number of indirect extents in a row
  pNFS/flexfiles: Fix an XDR encoding bug in layoutreturn
  nfs: Fix race in __update_open_stateid()
  pNFS/flexfiles: Fix an Oopsable typo in ff_mirror_match_fh()
  NFS: Fix attribute cache revalidation
  cifs: fix erroneous return value
  cifs_dbg() outputs an uninitialized buffer in cifs_readdir()
  cifs: fix race between call_async() and reconnect()
  cifs: Ratelimit kernel log messages
  iio: inkern: fix a NULL dereference on error
  iio: pressure: mpl115: fix temperature offset sign
  iio: light: acpi-als: Report data as processed
  iio: dac: mcp4725: set iio name property in sysfs
  iio: add IIO_TRIGGER dependency to STK8BA50
  iio: add HAS_IOMEM dependency to VF610_ADC
  iio-light: Use a signed return type for ltr501_match_samp_freq()
  iio:adc:ti_am335x_adc Fix buffered mode by identifying as software buffer.
  iio: adis_buffer: Fix out-of-bounds memory access
  scsi: fix soft lockup in scsi_remove_target() on module removal
  SCSI: Add Marvell Console to VPD blacklist
  scsi_dh_rdac: always retry MODE SELECT on command lock violation
  drivers/scsi/sg.c: mark VMA as VM_IO to prevent migration
  SCSI: fix crashes in sd and sr runtime PM
  iscsi-target: Fix potential dead-lock during node acl delete
  scsi: add Synology to 1024 sector blacklist
  klist: fix starting point removed bug in klist iterators
  tracepoints: Do not trace when cpu is offline
  tracing: Fix freak link error caused by branch tracer
  perf tools: tracepoint_error() can receive e=NULL, robustify it
  tools lib traceevent: Fix output of %llu for 64 bit values read on 32 bit machines
  ptrace: use fsuid, fsgid, effective creds for fs access checks
  Btrfs: fix direct IO requests not reporting IO error to user space
  Btrfs: fix hang on extent buffer lock caused by the inode_paths ioctl
  Btrfs: fix page reading in extent_same ioctl leading to csum errors
  Btrfs: fix invalid page accesses in extent_same (dedup) ioctl
  btrfs: properly set the termination value of ctx->pos in readdir
  Revert "btrfs: clear PF_NOFREEZE in cleaner_kthread()"
  Btrfs: fix fitrim discarding device area reserved for boot loader's use
  btrfs: handle invalid num_stripes in sys_array
  ext4: don't read blocks from disk after extents being swapped
  ext4: fix potential integer overflow
  ext4: fix scheduling in atomic on group checksum failure
  serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485)
  serial: 8250_pci: Add Intel Broadwell ports
  tty: Add support for PCIe WCH382 2S multi-IO card
  pty: make sure super_block is still valid in final /dev/tty close
  pty: fix possible use after free of tty->driver_data
  staging/speakup: Use tty_ldisc_ref() for paste kworker
  phy: twl4030-usb: Fix unbalanced pm_runtime_enable on module reload
  phy: twl4030-usb: Relase usb phy on unload
  ALSA: seq: Fix double port list deletion
  ALSA: seq: Fix leak of pool buffer at concurrent writes
  ALSA: pcm: Fix rwsem deadlock for non-atomic PCM stream
  ALSA: hda - Cancel probe work instead of flush at remove
  x86/mm: Fix vmalloc_fault() to handle large pages properly
  x86/uaccess/64: Handle the caching of 4-byte nocache copies properly in __copy_user_nocache()
  x86/uaccess/64: Make the __copy_user_nocache() assembly code more readable
  x86/mm/pat: Avoid truncation when converting cpa->numpages to address
  x86/mm: Fix types used in pgprot cacheability flags translations
  Linux 4.4.2
  HID: multitouch: fix input mode switching on some Elan panels
  mm, vmstat: fix wrong WQ sleep when memory reclaim doesn't make any progress
  zsmalloc: fix migrate_zspage-zs_free race condition
  zram: don't call idr_remove() from zram_remove()
  zram: try vmalloc() after kmalloc()
  zram/zcomp: use GFP_NOIO to allocate streams
  rtlwifi: rtl8821ae: Fix 5G failure when EEPROM is incorrectly encoded
  rtlwifi: rtl8821ae: Fix errors in parameter initialization
  crypto: marvell/cesa - fix test in mv_cesa_dev_dma_init()
  crypto: atmel-sha - remove calls of clk_prepare() from atomic contexts
  crypto: atmel-sha - fix atmel_sha_remove()
  crypto: algif_skcipher - Do not set MAY_BACKLOG on the async path
  crypto: algif_skcipher - Do not dereference ctx without socket lock
  crypto: algif_skcipher - Do not assume that req is unchanged
  crypto: user - lock crypto_alg_list on alg dump
  EVM: Use crypto_memneq() for digest comparisons
  crypto: algif_hash - wait for crypto_ahash_init() to complete
  crypto: shash - Fix has_key setting
  crypto: chacha20-ssse3 - Align stack pointer to 64 bytes
  crypto: caam - make write transactions bufferable on PPC platforms
  crypto: algif_skcipher - sendmsg SG marking is off by one
  crypto: algif_skcipher - Load TX SG list after waiting
  crypto: crc32c - Fix crc32c soft dependency
  crypto: algif_skcipher - Fix race condition in skcipher_check_key
  crypto: algif_hash - Fix race condition in hash_check_key
  crypto: af_alg - Forbid bind(2) when nokey child sockets are present
  crypto: algif_skcipher - Remove custom release parent function
  crypto: algif_hash - Remove custom release parent function
  crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
  ahci: Intel DNV device IDs SATA
  libata: disable forced PORTS_IMPL for >= AHCI 1.3
  crypto: algif_skcipher - Add key check exception for cipher_null
  crypto: skcipher - Add crypto_skcipher_has_setkey
  crypto: algif_hash - Require setkey before accept(2)
  crypto: hash - Add crypto_ahash_has_setkey
  crypto: algif_skcipher - Add nokey compatibility path
  crypto: af_alg - Add nokey compatibility path
  crypto: af_alg - Fix socket double-free when accept fails
  crypto: af_alg - Disallow bind/setkey/... after accept(2)
  crypto: algif_skcipher - Require setkey before accept(2)
  sched: Fix crash in sched_init_numa()
  ext4 crypto: add missing locking for keyring_key access
  iommu/io-pgtable-arm: Ensure we free the final level on teardown
  tty: Fix unsafe ldisc reference via ioctl(TIOCGETD)
  tty: Retry failed reopen if tty teardown in-progress
  tty: Wait interruptibly for tty lock on reopen
  n_tty: Fix unsafe reference to "other" ldisc
  usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Broxton-M platforms
  usb: xhci: handle both SSIC ports in PME stuck quirk
  usb: phy: msm: fix error handling in probe.
  usb: cdc-acm: send zero packet for intel 7260 modem
  usb: cdc-acm: handle unlinked urb in acm read callback
  USB: option: fix Cinterion AHxx enumeration
  USB: serial: option: Adding support for Telit LE922
  USB: cp210x: add ID for IAI USB to RS485 adaptor
  USB: serial: ftdi_sio: add support for Yaesu SCU-18 cable
  usb: hub: do not clear BOS field during reset device
  USB: visor: fix null-deref at probe
  USB: serial: visor: fix crash on detecting device without write_urbs
  ASoC: rt5645: fix the shift bit of IN1 boost
  saa7134-alsa: Only frees registered sound cards
  ALSA: dummy: Implement timer backend switching more safely
  ALSA: hda - Fix bad dereference of jack object
  ALSA: hda - Fix speaker output from VAIO AiO machines
  Revert "ALSA: hda - Fix noise on Gigabyte Z170X mobo"
  ALSA: hda - Fix static checker warning in patch_hdmi.c
  ALSA: hda - Add fixup for Mac Mini 7,1 model
  ALSA: timer: Fix race between stop and interrupt
  ALSA: timer: Fix wrong instance passed to slave callbacks
  ALSA: timer: Fix race at concurrent reads
  ALSA: timer: Fix link corruption due to double start or stop
  ALSA: timer: Fix leftover link at closing
  ALSA: timer: Code cleanup
  ALSA: seq: Fix lockdep warnings due to double mutex locks
  ALSA: seq: Fix race at closing in virmidi driver
  ALSA: seq: Fix yet another races among ALSA timer accesses
  ASoC: dpcm: fix the BE state on hw_free
  ALSA: pcm: Fix potential deadlock in OSS emulation
  ALSA: hda/realtek - Support Dell headset mode for ALC225
  ALSA: hda/realtek - Support headset mode for ALC225
  ALSA: hda/realtek - New codec support of ALC225
  ALSA: rawmidi: Fix race at copying & updating the position
  ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check
  ALSA: rawmidi: Make snd_rawmidi_transmit() race-free
  ALSA: seq: Degrade the error message for too many opens
  ALSA: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup()
  ALSA: dummy: Disable switching timer backend via sysfs
  ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures
  ALSA: hda - disable dynamic clock gating on Broxton before reset
  ALSA: Add missing dependency on CONFIG_SND_TIMER
  ALSA: bebob: Use a signed return type for get_formation_index
  ALSA: usb-audio: avoid freeing umidi object twice
  ALSA: usb-audio: Add native DSD support for PS Audio NuWave DAC
  ALSA: usb-audio: Fix OPPO HA-1 vendor ID
  ALSA: usb-audio: Add quirk for Microsoft LifeCam HD-6000
  ALSA: usb-audio: Fix TEAC UD-501/UD-503/NT-503 usb delay
  hrtimer: Handle remaining time proper for TIME_LOW_RES
  md/raid: only permit hot-add of compatible integrity profiles
  media: i2c: Don't export ir-kbd-i2c module alias
  parisc: Fix __ARCH_SI_PREAMBLE_SIZE
  parisc: Protect huge page pte changes with spinlocks
  printk: do cond_resched() between lines while outputting to consoles
  tracing/stacktrace: Show entire trace if passed in function not found
  tracing: Fix stacktrace skip depth in trace_buffer_unlock_commit_regs()
  PCI: Fix minimum allocation address overwrite
  PCI: host: Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD
  mtd: nand: assign reasonable default name for NAND drivers
  wlcore/wl12xx: spi: fix NULL pointer dereference (Oops)
  wlcore/wl12xx: spi: fix oops on firmware load
  ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup
  ocfs2/dlm: ignore cleaning the migration mle that is inuse
  ALSA: hda - Implement loopback control switch for Realtek and other codecs
  block: fix bio splitting on max sectors
  base/platform: Fix platform drivers with no probe callback
  HID: usbhid: fix recursive deadlock
  ocfs2: NFS hangs in __ocfs2_cluster_lock due to race with ocfs2_unblock_lock
  block: split bios to max possible length
  NFSv4.1/pnfs: Fixup an lo->plh_block_lgets imbalance in layoutreturn
  crypto: sun4i-ss - add missing statesize
  Linux 4.4.1
  arm64: kernel: fix architected PMU registers unconditional access
  arm64: kernel: enforce pmuserenr_el0 initialization and restore
  arm64: mm: ensure that the zero page is visible to the page table walker
  arm64: Clear out any singlestep state on a ptrace detach operation
  powerpc/module: Handle R_PPC64_ENTRY relocations
  scripts/recordmcount.pl: support data in text section on powerpc
  powerpc: Make {cmp}xchg* and their atomic_ versions fully ordered
  powerpc: Make value-returning atomics fully ordered
  powerpc/tm: Check for already reclaimed tasks
  batman-adv: Drop immediate orig_node free function
  batman-adv: Drop immediate batadv_hard_iface free function
  batman-adv: Drop immediate neigh_ifinfo free function
  batman-adv: Drop immediate batadv_neigh_node free function
  batman-adv: Drop immediate batadv_orig_ifinfo free function
  batman-adv: Avoid recursive call_rcu for batadv_nc_node
  batman-adv: Avoid recursive call_rcu for batadv_bla_claim
  team: Replace rcu_read_lock with a mutex in team_vlan_rx_kill_vid
  net/mlx5_core: Fix trimming down IRQ number
  bridge: fix lockdep addr_list_lock false positive splat
  ipv6: update skb->csum when CE mark is propagated
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  bonding: Prevent IPv6 link local address on enslaved devices
  net: preserve IP control block during GSO segmentation
  udp: disallow UFO for sockets with SO_NO_CHECK option
  net: pktgen: fix null ptr deref in skb allocation
  sched,cls_flower: set key address type when present
  tcp_yeah: don't set ssthresh below 2
  ipv6: tcp: add rcu locking in tcp_v6_send_synack()
  net: sctp: prevent writes to cookie_hmac_alg from accessing invalid memory
  vxlan: fix test which detect duplicate vxlan iface
  unix: properly account for FDs passed over unix sockets
  xhci: refuse loading if nousb is used
  usb: core: lpm: fix usb3_hardware_lpm sysfs node
  USB: cp210x: add ID for ELV Marble Sound Board 1
  rtlwifi: fix memory leak for USB device
  ASoC: compress: Fix compress device direction check
  ASoC: wm5110: Fix PGA clear when disabling DRE
  ALSA: timer: Handle disconnection more safely
  ALSA: hda - Flush the pending probe work at remove
  ALSA: hda - Fix missing module loading with model=generic option
  ALSA: hda - Fix bass pin fixup for ASUS N550JX
  ALSA: control: Avoid kernel warnings from tlv ioctl with numid 0
  ALSA: hrtimer: Fix stall by hrtimer_cancel()
  ALSA: pcm: Fix snd_pcm_hw_params struct copy in compat mode
  ALSA: seq: Fix snd_seq_call_port_info_ioctl in compat mode
  ALSA: hda - Add fixup for Dell Latitidue E6540
  ALSA: timer: Fix double unlink of active_list
  ALSA: timer: Fix race among timer ioctls
  ALSA: hda - fix the headset mic detection problem for a Dell laptop
  ALSA: timer: Harden slave timer list handling
  ALSA: usb-audio: Fix mixer ctl regression of Native Instrument devices
  ALSA: hda - Fix white noise on Dell Latitude E5550
  ALSA: seq: Fix race at timer setup and close
  ALSA: usb-audio: Avoid calling usb_autopm_put_interface() at disconnect
  ALSA: seq: Fix missing NULL check at remove_events ioctl
  ALSA: hda - Fixup inverted internal mic for Lenovo E50-80
  ALSA: usb: Add native DSD support for Oppo HA-1
  x86/mm: Improve switch_mm() barrier comments
  x86/mm: Add barriers and document switch_mm()-vs-flush synchronization
  x86/boot: Double BOOT_HEAP_SIZE to 64KB
  x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi_table[]
  kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
  KVM: x86: correctly print #AC in traces
  KVM: x86: expose MSR_TSC_AUX to userspace
  x86/xen: don't reset vcpu_info on a cancelled suspend
  KEYS: Fix keyring ref leak in join_session_keyring()

Conflicts:
	arch/arm64/kernel/perf_event.c
	drivers/scsi/sd.c
	sound/core/compress_offload.c

Change-Id: I9f77fe42aaae249c24cd6e170202110ab1426878
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
This commit is contained in:
David Keitel 2016-03-23 20:51:00 -07:00
commit f2b1fed1bd
316 changed files with 3633 additions and 1430 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
Documentation/ABI/testing/sysfs-bus-usb
View file

@ -134,19 +134,21 @@ Description:
enabled for the device. Developer can write y/Y/1 or n/N/0 to
the file to enable/disable the feature.
What: /sys/bus/usb/devices/.../power/usb3_hardware_lpm
Date: June 2015
What: /sys/bus/usb/devices/.../power/usb3_hardware_lpm_u1
/sys/bus/usb/devices/.../power/usb3_hardware_lpm_u2
Date: November 2015
Contact: Kevin Strasser <kevin.strasser@linux.intel.com>
Lu Baolu <baolu.lu@linux.intel.com>
Description:
If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
in to a xHCI host which supports link PM, it will check if U1
and U2 exit latencies have been set in the BOS descriptor; if
the check is is passed and the host supports USB3 hardware LPM,
the check is passed and the host supports USB3 hardware LPM,
USB3 hardware LPM will be enabled for the device and the USB
device directory will contain a file named
power/usb3_hardware_lpm. The file holds a string value (enable
or disable) indicating whether or not USB3 hardware LPM is
enabled for the device.
device directory will contain two files named
power/usb3_hardware_lpm_u1 and power/usb3_hardware_lpm_u2. These
files hold a string value (enable or disable) indicating whether
or not USB3 hardware LPM U1 or U2 is enabled for the device.
What: /sys/bus/usb/devices/.../removable
Date: February 2012

11
Documentation/usb/power-management.txt
View file

@ -537,17 +537,18 @@ relevant attribute files are usb2_hardware_lpm and usb3_hardware_lpm.
can write y/Y/1 or n/N/0 to the file to enable/disable
USB2 hardware LPM manually. This is for test purpose mainly.
power/usb3_hardware_lpm
power/usb3_hardware_lpm_u1
power/usb3_hardware_lpm_u2
When a USB 3.0 lpm-capable device is plugged in to a
xHCI host which supports link PM, it will check if U1
and U2 exit latencies have been set in the BOS
descriptor; if the check is is passed and the host
supports USB3 hardware LPM, USB3 hardware LPM will be
enabled for the device and this file will be created.
The file holds a string value (enable or disable)
indicating whether or not USB3 hardware LPM is
enabled for the device.
enabled for the device and these files will be created.
The files hold a string value (enable or disable)
indicating whether or not USB3 hardware LPM U1 or U2
is enabled for the device.
USB Port Power Control
----------------------

4
MAINTAINERS
View file

@ -10289,9 +10289,11 @@ S: Maintained
F: drivers/net/ethernet/dlink/sundance.c
SUPERH
M: Yoshinori Sato <ysato@users.sourceforge.jp>
M: Rich Felker <dalias@libc.org>
L: linux-sh@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-sh/list/
S: Orphan
S: Maintained
F: Documentation/sh/
F: arch/sh/
F: drivers/sh/

2
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 0
SUBLEVEL = 3
EXTRAVERSION =
NAME = Blurry Fish Butt

10
arch/arm/boot/dts/armada-388-gp.dts
View file

@ -303,16 +303,6 @@
gpio = <&expander0 4 GPIO_ACTIVE_HIGH>;
};
reg_usb2_1_vbus: v5-vbus1 {
compatible = "regulator-fixed";
regulator-name = "v5.0-vbus1";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
enable-active-high;
regulator-always-on;
gpio = <&expander0 4 GPIO_ACTIVE_HIGH>;
};
reg_sata0: pwr-sata0 {
compatible = "regulator-fixed";
regulator-name = "pwr_en_sata0";

8
arch/arm/boot/dts/at91-sama5d4_xplained.dts
View file

@ -86,10 +86,12 @@
macb0: ethernet@f8020000 {
phy-mode = "rmii";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
phy0: ethernet-phy@1 {
interrupt-parent = <&pioE>;
interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
reg = <1>;
};
};
@ -152,6 +154,10 @@
atmel,pins =
<AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
};
pinctrl_macb0_phy_irq: macb0_phy_irq_0 {
atmel,pins =
<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
};
};
};
};

11
arch/arm/boot/dts/at91-sama5d4ek.dts
View file

@ -160,8 +160,15 @@
};
macb0: ethernet@f8020000 {
pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
phy-mode = "rmii";
status = "okay";
ethernet-phy@1 {
reg = <0x1>;
interrupt-parent = <&pioE>;
interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
};
};
mmc1: mmc@fc000000 {
@ -193,6 +200,10 @@
pinctrl@fc06a000 {
board {
pinctrl_macb0_phy_irq: macb0_phy_irq {
atmel,pins =
<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
pinctrl_mmc0_cd: mmc0_cd {
atmel,pins =
<AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;

1
arch/arm/boot/dts/logicpd-torpedo-som.dtsi
View file

@ -122,6 +122,7 @@
interrupt-parent = <&gpio5>;
interrupts = <24 IRQ_TYPE_LEVEL_HIGH>; /* gpio 152 */
ref-clock-frequency = <26000000>;
tcxo-clock-frequency = <26000000>;
};
};

33
arch/arm/boot/dts/omap5-board-common.dtsi
View file

@ -130,6 +130,16 @@
};
};
&gpio8 {
/* TI trees use GPIO instead of msecure, see also muxing */
p234 {
gpio-hog;
gpios = <10 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "gpio8_234/msecure";
};
};
&omap5_pmx_core {
pinctrl-names = "default";
pinctrl-0 = <
@ -213,6 +223,13 @@
>;
};
/* TI trees use GPIO mode; msecure mode does not work reliably? */
palmas_msecure_pins: palmas_msecure_pins {
pinctrl-single,pins = <
OMAP5_IOPAD(0x180, PIN_OUTPUT | MUX_MODE6) /* gpio8_234 */
>;
};
usbhost_pins: pinmux_usbhost_pins {
pinctrl-single,pins = <
0x84 (PIN_INPUT | MUX_MODE0) /* usbb2_hsic_strobe */
@ -278,6 +295,12 @@
&usbhost_wkup_pins
>;
palmas_sys_nirq_pins: pinmux_palmas_sys_nirq_pins {
pinctrl-single,pins = <
OMAP5_IOPAD(0x068, PIN_INPUT_PULLUP | MUX_MODE0) /* sys_nirq1 */
>;
};
usbhost_wkup_pins: pinmux_usbhost_wkup_pins {
pinctrl-single,pins = <
0x1A (PIN_OUTPUT | MUX_MODE0) /* fref_clk1_out, USB hub clk */
@ -345,6 +368,8 @@
interrupt-controller;
#interrupt-cells = <2>;
ti,system-power-controller;
pinctrl-names = "default";
pinctrl-0 = <&palmas_sys_nirq_pins &palmas_msecure_pins>;
extcon_usb3: palmas_usb {
compatible = "ti,palmas-usb-vid";
@ -358,6 +383,14 @@
#clock-cells = <0>;
};
rtc {
compatible = "ti,palmas-rtc";
interrupt-parent = <&palmas>;
interrupts = <8 IRQ_TYPE_NONE>;
ti,backup-battery-chargeable;
ti,backup-battery-charge-high-current;
};
palmas_pmic {
compatible = "ti,palmas-pmic";
interrupt-parent = <&palmas>;

2
arch/arm/boot/dts/sama5d4.dtsi
View file

@ -1342,7 +1342,7 @@
dbgu: serial@fc069000 {
compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart";
reg = <0xfc069000 0x200>;
interrupts = <2 IRQ_TYPE_LEVEL_HIGH 7>;
interrupts = <45 IRQ_TYPE_LEVEL_HIGH 7>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dbgu>;
clocks = <&dbgu_clk>;

37
arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
View file

@ -127,22 +127,14 @@
};
mmcsd_default_mode: mmcsd_default {
mmcsd_default_cfg1 {
/* MCCLK */
pins = "GPIO8_B10";
ste,output = <0>;
};
mmcsd_default_cfg2 {
/* MCCMDDIR, MCDAT0DIR, MCDAT31DIR, MCDATDIR2 */
pins = "GPIO10_C11", "GPIO15_A12",
"GPIO16_C13", "GPIO23_D15";
ste,output = <1>;
};
mmcsd_default_cfg3 {
/* MCCMD, MCDAT3-0, MCMSFBCLK */
pins = "GPIO9_A10", "GPIO11_B11",
"GPIO12_A11", "GPIO13_C12",
"GPIO14_B12", "GPIO24_C15";
ste,input = <1>;
/*
* MCCLK, MCCMDDIR, MCDAT0DIR, MCDAT31DIR, MCDATDIR2
* MCCMD, MCDAT3-0, MCMSFBCLK
*/
pins = "GPIO8_B10", "GPIO9_A10", "GPIO10_C11", "GPIO11_B11",
"GPIO12_A11", "GPIO13_C12", "GPIO14_B12", "GPIO15_A12",
"GPIO16_C13", "GPIO23_D15", "GPIO24_C15";
ste,output = <2>;
};
};
};
@ -802,10 +794,21 @@
clock-names = "mclk", "apb_pclk";
interrupt-parent = <&vica>;
interrupts = <22>;
max-frequency = <48000000>;
max-frequency = <400000>;
bus-width = <4>;
cap-mmc-highspeed;
cap-sd-highspeed;
full-pwr-cycle;
/*
* The STw4811 circuit used with the Nomadik strictly
* requires that all of these signal direction pins be
* routed and used for its 4-bit levelshifter.
*/
st,sig-dir-dat0;
st,sig-dir-dat2;
st,sig-dir-dat31;
st,sig-dir-cmd;
st,sig-pin-fbclk;
pinctrl-names = "default";
pinctrl-0 = <&mmcsd_default_mux>, <&mmcsd_default_mode>;
vmmc-supply = <&vmmc_regulator>;

9
arch/arm/common/icst.c
View file

@ -16,7 +16,7 @@
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <asm/div64.h>
#include <asm/hardware/icst.h>
/*
@ -29,7 +29,11 @@ EXPORT_SYMBOL(icst525_s2div);
unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco)
{
return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * p->s2div[vco.s]);
u64 dividend = p->ref * 2 * (u64)(vco.v + 8);
u32 divisor = (vco.r + 2) * p->s2div[vco.s];
do_div(dividend, divisor);
return (unsigned long)dividend;
}
EXPORT_SYMBOL(icst_hz);
@ -58,6 +62,7 @@ icst_hz_to_vco(const struct icst_params *p, unsigned long freq)
if (f > p->vco_min && f <= p->vco_max)
break;
i++;
} while (i < 8);
if (i >= 8)

61
arch/arm/mach-omap2/sleep34xx.S
View file

@ -86,13 +86,18 @@ ENTRY(enable_omap3630_toggle_l2_on_restore)
stmfd sp!, {lr} @ save registers on stack
/* Setup so that we will disable and enable l2 */
mov r1, #0x1
adrl r2, l2dis_3630 @ may be too distant for plain adr
str r1, [r2]
adrl r3, l2dis_3630_offset @ may be too distant for plain adr
ldr r2, [r3] @ value for offset
str r1, [r2, r3] @ write to l2dis_3630
ldmfd sp!, {pc} @ restore regs and return
ENDPROC(enable_omap3630_toggle_l2_on_restore)
.text
/* Function to call rom code to save secure ram context */
/*
* Function to call rom code to save secure ram context. This gets
* relocated to SRAM, so it can be all in .data section. Otherwise
* we need to initialize api_params separately.
*/
.data
.align 3
ENTRY(save_secure_ram_context)
stmfd sp!, {r4 - r11, lr} @ save registers on stack
@ -126,6 +131,8 @@ ENDPROC(save_secure_ram_context)
ENTRY(save_secure_ram_context_sz)
.word . - save_secure_ram_context
.text
/*
* ======================
* == Idle entry point ==
@ -289,12 +296,6 @@ wait_sdrc_ready:
bic r5, r5, #0x40
str r5, [r4]
/*
* PC-relative stores lead to undefined behaviour in Thumb-2: use a r7 as a
* base instead.
* Be careful not to clobber r7 when maintaing this code.
*/
is_dll_in_lock_mode:
/* Is dll in lock mode? */
ldr r4, sdrc_dlla_ctrl
@ -302,11 +303,7 @@ is_dll_in_lock_mode:
tst r5, #0x4
bne exit_nonoff_modes @ Return if locked
/* wait till dll locks */
adr r7, kick_counter
wait_dll_lock_timed:
ldr r4, wait_dll_lock_counter
add r4, r4, #1
str r4, [r7, #wait_dll_lock_counter - kick_counter]
ldr r4, sdrc_dlla_status
/* Wait 20uS for lock */
mov r6, #8
@ -330,9 +327,6 @@ kick_dll:
orr r6, r6, #(1<<3) @ enable dll
str r6, [r4]
dsb
ldr r4, kick_counter
add r4, r4, #1
str r4, [r7] @ kick_counter
b wait_dll_lock_timed
exit_nonoff_modes:
@ -360,15 +354,6 @@ sdrc_dlla_status:
.word SDRC_DLLA_STATUS_V
sdrc_dlla_ctrl:
.word SDRC_DLLA_CTRL_V
/*
* When exporting to userspace while the counters are in SRAM,
* these 2 words need to be at the end to facilitate retrival!
*/
kick_counter:
.word 0
wait_dll_lock_counter:
.word 0
ENTRY(omap3_do_wfi_sz)
.word . - omap3_do_wfi
@ -437,7 +422,9 @@ ENTRY(omap3_restore)
cmp r2, #0x0 @ Check if target power state was OFF or RET
bne logic_l1_restore
ldr r0, l2dis_3630
adr r1, l2dis_3630_offset @ address for offset
ldr r0, [r1] @ value for offset
ldr r0, [r1, r0] @ value at l2dis_3630
cmp r0, #0x1 @ should we disable L2 on 3630?
bne skipl2dis
mrc p15, 0, r0, c1, c0, 1
@ -449,12 +436,14 @@ skipl2dis:
and r1, #0x700
cmp r1, #0x300
beq l2_inv_gp
adr r0, l2_inv_api_params_offset
ldr r3, [r0]
add r3, r3, r0 @ r3 points to dummy parameters
mov r0, #40 @ set service ID for PPA
mov r12, r0 @ copy secure Service ID in r12
mov r1, #0 @ set task id for ROM code in r1
mov r2, #4 @ set some flags in r2, r6
mov r6, #0xff
adr r3, l2_inv_api_params @ r3 points to dummy parameters
dsb @ data write barrier
dmb @ data memory barrier
smc #1 @ call SMI monitor (smi #1)
@ -488,8 +477,8 @@ skipl2dis:
b logic_l1_restore
.align
l2_inv_api_params:
.word 0x1, 0x00
l2_inv_api_params_offset:
.long l2_inv_api_params - .
l2_inv_gp:
/* Execute smi to invalidate L2 cache */
mov r12, #0x1 @ set up to invalidate L2
@ -506,7 +495,9 @@ l2_inv_gp:
mov r12, #0x2
smc #0 @ Call SMI monitor (smieq)
logic_l1_restore:
ldr r1, l2dis_3630
adr r0, l2dis_3630_offset @ adress for offset
ldr r1, [r0] @ value for offset
ldr r1, [r0, r1] @ value at l2dis_3630
cmp r1, #0x1 @ Test if L2 re-enable needed on 3630
bne skipl2reen
mrc p15, 0, r1, c1, c0, 1
@ -535,9 +526,17 @@ control_stat:
.word CONTROL_STAT
control_mem_rta:
.word CONTROL_MEM_RTA_CTRL
l2dis_3630_offset:
.long l2dis_3630 - .
.data
l2dis_3630:
.word 0
.data
l2_inv_api_params:
.word 0x1, 0x00
/*
* Internal functions
*/

25
arch/arm/mach-omap2/sleep44xx.S
View file

@ -29,12 +29,6 @@
dsb
.endm
ppa_zero_params:
.word 0x0
ppa_por_params:
.word 1, 0
#ifdef CONFIG_ARCH_OMAP4
/*
@ -266,7 +260,9 @@ ENTRY(omap4_cpu_resume)
beq skip_ns_smp_enable
ppa_actrl_retry:
mov r0, #OMAP4_PPA_CPU_ACTRL_SMP_INDEX
adr r3, ppa_zero_params @ Pointer to parameters
adr r1, ppa_zero_params_offset
ldr r3, [r1]
add r3, r3, r1 @ Pointer to ppa_zero_params
mov r1, #0x0 @ Process ID
mov r2, #0x4 @ Flag
mov r6, #0xff
@ -303,7 +299,9 @@ skip_ns_smp_enable:
ldr r0, =OMAP4_PPA_L2_POR_INDEX
ldr r1, =OMAP44XX_SAR_RAM_BASE
ldr r4, [r1, #L2X0_PREFETCH_CTRL_OFFSET]
adr r3, ppa_por_params
adr r1, ppa_por_params_offset
ldr r3, [r1]
add r3, r3, r1 @ Pointer to ppa_por_params
str r4, [r3, #0x04]
mov r1, #0x0 @ Process ID
mov r2, #0x4 @ Flag
@ -328,6 +326,8 @@ skip_l2en:
#endif
b cpu_resume @ Jump to generic resume
ppa_por_params_offset:
.long ppa_por_params - .
ENDPROC(omap4_cpu_resume)
#endif /* CONFIG_ARCH_OMAP4 */
@ -380,4 +380,13 @@ ENTRY(omap_do_wfi)
nop
ldmfd sp!, {pc}
ppa_zero_params_offset:
.long ppa_zero_params - .
ENDPROC(omap_do_wfi)
.data
ppa_zero_params:
.word 0
ppa_por_params:
.word 1, 0

5
arch/arm64/kernel/head.S
View file

@ -512,9 +512,14 @@ CPU_LE( movk x0, #0x30d0, lsl #16 ) // Clear EE and E0E on LE systems
#endif
/* EL2 debug */
mrs x0, id_aa64dfr0_el1 // Check ID_AA64DFR0_EL1 PMUVer
sbfx x0, x0, #8, #4
cmp x0, #1
b.lt 4f // Skip if no PMU present
mrs x0, pmcr_el0 // Disable debug access traps
ubfx x0, x0, #11, #5 // to EL2 and allow access to
msr mdcr_el2, x0 // all PMU counters from EL1
4:
/* Stage-2 translation */
msr vttbr_el2, xzr

6
arch/arm64/kernel/ptrace.c
View file

@ -58,6 +58,12 @@
*/
void ptrace_disable(struct task_struct *child)
{
/*
* This would be better off in core code, but PTRACE_DETACH has
* grown its fair share of arch-specific worts and changing it
* is likely to cause regressions on obscure architectures.
*/
user_disable_single_step(child);
}
#ifdef CONFIG_HAVE_HW_BREAKPOINT

4
arch/arm64/mm/dma-mapping.c
View file

@ -1047,6 +1047,10 @@ static int __init __iommu_dma_init(void)
ret = register_iommu_dma_ops_notifier(&platform_bus_type);
if (!ret)
ret = register_iommu_dma_ops_notifier(&amba_bustype);
/* handle devices queued before this arch_initcall */
if (!ret)
__iommu_attach_notifier(NULL, BUS_NOTIFY_ADD_DEVICE, NULL);
return ret;
}
arch_initcall(__iommu_dma_init);

3
arch/arm64/mm/mmu.c
View file

@ -596,6 +596,9 @@ void __init paging_init(void)
empty_zero_page = virt_to_page(zero_page);
/* Ensure the zero page is visible to the page table walker */
dsb(ishst);
/*
* TTBR0 is only used for the identity mapping at this stage. Make it
* point to zero page to avoid speculatively fetching new entries.

3
arch/arm64/mm/pageattr.c
View file

@ -59,6 +59,9 @@ static int change_memory_common(unsigned long addr, int numpages,
return -EINVAL;
}
if (!numpages)
return 0;
data.set_mask = set_mask;
data.clear_mask = clear_mask;

12
arch/arm64/mm/proc-macros.S
View file

@ -62,3 +62,15 @@
bfi \valreg, \tmpreg, #TCR_T0SZ_OFFSET, #TCR_TxSZ_WIDTH
#endif
.endm
/*
* reset_pmuserenr_el0 - reset PMUSERENR_EL0 if PMUv3 present
*/
.macro reset_pmuserenr_el0, tmpreg
mrs \tmpreg, id_aa64dfr0_el1 // Check ID_AA64DFR0_EL1 PMUVer
sbfx \tmpreg, \tmpreg, #8, #4
cmp \tmpreg, #1 // Skip if no PMU present
b.lt 9000f
msr pmuserenr_el0, xzr // Disable PMU access from EL0
9000:
.endm

2
arch/arm64/mm/proc.S
View file

@ -163,6 +163,7 @@ ENTRY(cpu_do_resume)
*/
ubfx x11, x11, #1, #1
msr oslar_el1, x11
reset_pmuserenr_el0 x0 // Disable PMU access from EL0
mov x0, x12
dsb nsh // Make sure local tlb invalidation completed
isb
@ -201,6 +202,7 @@ ENTRY(__cpu_setup)
msr cpacr_el1, x0 // Enable FP/ASIMD
mov x0, #1 << 12 // Reset mdscr_el1 and disable
msr mdscr_el1, x0 // access to the DCC from EL0
reset_pmuserenr_el0 x0 // Disable PMU access from EL0
/*
* Memory region attributes for LPAE:
*

3
arch/m32r/kernel/setup.c
View file

@ -81,7 +81,10 @@ static struct resource code_resource = {
};
unsigned long memory_start;
EXPORT_SYMBOL(memory_start);
unsigned long memory_end;
EXPORT_SYMBOL(memory_end);
void __init setup_arch(char **);
int get_cpuinfo(char *);

20
arch/parisc/include/asm/hugetlb.h
View file

@ -54,24 +54,12 @@ static inline pte_t huge_pte_wrprotect(pte_t pte)
return pte_wrprotect(pte);
}
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
pte_t old_pte = *ptep;
set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
}
void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
{
int changed = !pte_same(*ptep, pte);
if (changed) {
set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
flush_tlb_page(vma, addr);
}
return changed;
}
pte_t pte, int dirty);
static inline pte_t huge_ptep_get(pte_t *ptep)
{

4
arch/parisc/include/uapi/asm/siginfo.h
View file

@ -1,6 +1,10 @@
#ifndef _PARISC_SIGINFO_H
#define _PARISC_SIGINFO_H
#if defined(__LP64__)
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#endif
#include <asm-generic/siginfo.h>
#undef NSIGTRAP

60
arch/parisc/mm/hugetlbpage.c
View file

@ -105,15 +105,13 @@ static inline void purge_tlb_entries_huge(struct mm_struct *mm, unsigned long ad
addr |= _HUGE_PAGE_SIZE_ENCODING_DEFAULT;
for (i = 0; i < (1 << (HPAGE_SHIFT-REAL_HPAGE_SHIFT)); i++) {
mtsp(mm->context, 1);
pdtlb(addr);
if (unlikely(split_tlb))
pitlb(addr);
purge_tlb_entries(mm, addr);
addr += (1UL << REAL_HPAGE_SHIFT);
}
}
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
/* __set_huge_pte_at() must be called holding the pa_tlb_lock. */
static void __set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t entry)
{
unsigned long addr_start;
@ -123,14 +121,9 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
addr_start = addr;
for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
/* Directly write pte entry. We could call set_pte_at(mm, addr, ptep, entry)
* instead, but then we get double locking on pa_tlb_lock. */
*ptep = entry;
set_pte(ptep, entry);
ptep++;
/* Drop the PAGE_SIZE/non-huge tlb entry */
purge_tlb_entries(mm, addr);
addr += PAGE_SIZE;
pte_val(entry) += PAGE_SIZE;
}
@ -138,18 +131,61 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
purge_tlb_entries_huge(mm, addr_start);
}
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t entry)
{
unsigned long flags;
purge_tlb_start(flags);
__set_huge_pte_at(mm, addr, ptep, entry);
purge_tlb_end(flags);
}
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
{
unsigned long flags;
pte_t entry;
purge_tlb_start(flags);
entry = *ptep;
set_huge_pte_at(mm, addr, ptep, __pte(0));
__set_huge_pte_at(mm, addr, ptep, __pte(0));
purge_tlb_end(flags);
return entry;
}
void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
unsigned long flags;
pte_t old_pte;
purge_tlb_start(flags);
old_pte = *ptep;
__set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
purge_tlb_end(flags);
}
int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
{
unsigned long flags;
int changed;
purge_tlb_start(flags);
changed = !pte_same(*ptep, pte);
if (changed) {
__set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
}
purge_tlb_end(flags);
return changed;
}
int pmd_huge(pmd_t pmd)
{
return 0;

16
arch/powerpc/include/asm/cmpxchg.h
View file

@ -18,12 +18,12 @@ __xchg_u32(volatile void *p, unsigned long val)
unsigned long prev;
__asm__ __volatile__(
PPC_RELEASE_BARRIER
PPC_ATOMIC_ENTRY_BARRIER
"1: lwarx %0,0,%2 \n"
PPC405_ERR77(0,%2)
" stwcx. %3,0,%2 \n\
bne- 1b"
PPC_ACQUIRE_BARRIER
PPC_ATOMIC_EXIT_BARRIER
: "=&r" (prev), "+m" (*(volatile unsigned int *)p)
: "r" (p), "r" (val)
: "cc", "memory");
@ -61,12 +61,12 @@ __xchg_u64(volatile void *p, unsigned long val)
unsigned long prev;
__asm__ __volatile__(
PPC_RELEASE_BARRIER
PPC_ATOMIC_ENTRY_BARRIER
"1: ldarx %0,0,%2 \n"
PPC405_ERR77(0,%2)
" stdcx. %3,0,%2 \n\
bne- 1b"
PPC_ACQUIRE_BARRIER
PPC_ATOMIC_EXIT_BARRIER
: "=&r" (prev), "+m" (*(volatile unsigned long *)p)
: "r" (p), "r" (val)
: "cc", "memory");
@ -151,14 +151,14 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
unsigned int prev;
__asm__ __volatile__ (
PPC_RELEASE_BARRIER
PPC_ATOMIC_ENTRY_BARRIER
"1: lwarx %0,0,%2 # __cmpxchg_u32\n\
cmpw 0,%0,%3\n\
bne- 2f\n"
PPC405_ERR77(0,%2)
" stwcx. %4,0,%2\n\
bne- 1b"
PPC_ACQUIRE_BARRIER
PPC_ATOMIC_EXIT_BARRIER
"\n\
2:"
: "=&r" (prev), "+m" (*p)
@ -197,13 +197,13 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
unsigned long prev;
__asm__ __volatile__ (
PPC_RELEASE_BARRIER
PPC_ATOMIC_ENTRY_BARRIER
"1: ldarx %0,0,%2 # __cmpxchg_u64\n\
cmpd 0,%0,%3\n\
bne- 2f\n\
stdcx. %4,0,%2\n\
bne- 1b"
PPC_ACQUIRE_BARRIER
PPC_ATOMIC_EXIT_BARRIER
"\n\
2:"
: "=&r" (prev), "+m" (*p)

1
arch/powerpc/include/asm/eeh.h
View file

@ -81,6 +81,7 @@ struct pci_dn;
#define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */
#define EEH_PE_CFG_RESTRICTED (1 << 9) /* Block config on error */
#define EEH_PE_REMOVED (1 << 10) /* Removed permanently */
#define EEH_PE_PRI_BUS (1 << 11) /* Cached primary bus */
struct eeh_pe {
int type; /* PE type: PHB/Bus/Device */

2
arch/powerpc/include/asm/synch.h
View file

@ -44,7 +44,7 @@ static inline void isync(void)
MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n"
#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n"
#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(sync) "\n"
#define PPC_ATOMIC_EXIT_BARRIER "\n" stringify_in_c(sync) "\n"
#else
#define PPC_ACQUIRE_BARRIER

2
arch/powerpc/include/uapi/asm/elf.h
View file

@ -295,6 +295,8 @@ do { \
#define R_PPC64_TLSLD 108
#define R_PPC64_TOCSAVE 109
#define R_PPC64_ENTRY 118
#define R_PPC64_REL16 249
#define R_PPC64_REL16_LO 250
#define R_PPC64_REL16_HI 251

3
arch/powerpc/kernel/eeh_driver.c
View file

@ -564,6 +564,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
*/
eeh_pe_state_mark(pe, EEH_PE_KEEP);
if (bus) {
eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
pci_lock_rescan_remove();
pcibios_remove_pci_devices(bus);
pci_unlock_rescan_remove();
@ -803,6 +804,7 @@ perm_error:
* the their PCI config any more.
*/
if (frozen_bus) {
eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
eeh_pe_dev_mode_mark(pe, EEH_DEV_REMOVED);
pci_lock_rescan_remove();
@ -886,6 +888,7 @@ static void eeh_handle_special_event(void)
continue;
/* Notify all devices to be down */
eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
bus = eeh_pe_bus_get(phb_pe);
eeh_pe_dev_traverse(pe,
eeh_report_failure, NULL);

37
arch/powerpc/kernel/eeh_pe.c
View file

@ -883,32 +883,29 @@ void eeh_pe_restore_bars(struct eeh_pe *pe)
const char *eeh_pe_loc_get(struct eeh_pe *pe)
{
struct pci_bus *bus = eeh_pe_bus_get(pe);
struct device_node *dn = pci_bus_to_OF_node(bus);
struct device_node *dn;
const char *loc = NULL;
if (!dn)
goto out;
while (bus) {
dn = pci_bus_to_OF_node(bus);
if (!dn) {
bus = bus->parent;
continue;
}
/* PHB PE or root PE ? */
if (pci_is_root_bus(bus)) {
loc = of_get_property(dn, "ibm,loc-code", NULL);
if (!loc)
if (pci_is_root_bus(bus))
loc = of_get_property(dn, "ibm,io-base-loc-code", NULL);
if (loc)
goto out;
else
loc = of_get_property(dn, "ibm,slot-location-code",
NULL);
/* Check the root port */
dn = dn->child;
if (!dn)
goto out;
if (loc)
return loc;
bus = bus->parent;
}
loc = of_get_property(dn, "ibm,loc-code", NULL);
if (!loc)
loc = of_get_property(dn, "ibm,slot-location-code", NULL);
out:
return loc ? loc : "N/A";
return "N/A";
}
/**
@ -931,7 +928,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
bus = pe->phb->bus;
} else if (pe->type & EEH_PE_BUS ||
pe->type & EEH_PE_DEVICE) {
if (pe->bus) {
if (pe->state & EEH_PE_PRI_BUS) {
bus = pe->bus;
goto out;
}

27
arch/powerpc/kernel/module_64.c
View file

@ -635,6 +635,33 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
*/
break;
case R_PPC64_ENTRY:
/*
* Optimize ELFv2 large code model entry point if
* the TOC is within 2GB range of current location.
*/
value = my_r2(sechdrs, me) - (unsigned long)location;
if (value + 0x80008000 > 0xffffffff)
break;
/*
* Check for the large code model prolog sequence:
* ld r2, ...(r12)
* add r2, r2, r12
*/
if ((((uint32_t *)location)[0] & ~0xfffc)
!= 0xe84c0000)
break;
if (((uint32_t *)location)[1] != 0x7c426214)
break;
/*
* If found, replace it with:
* addis r2, r12, (.TOC.-func)@ha
* addi r2, r12, (.TOC.-func)@l
*/
((uint32_t *)location)[0] = 0x3c4c0000 + PPC_HA(value);
((uint32_t *)location)[1] = 0x38420000 + PPC_LO(value);
break;
case R_PPC64_REL16_HA:
/* Subtract location pointer */
value -= (unsigned long)location;

18
arch/powerpc/kernel/process.c
View file

@ -551,6 +551,24 @@ static void tm_reclaim_thread(struct thread_struct *thr,
msr_diff &= MSR_FP | MSR_VEC | MSR_VSX | MSR_FE0 | MSR_FE1;
}
/*
* Use the current MSR TM suspended bit to track if we have
* checkpointed state outstanding.
* On signal delivery, we'd normally reclaim the checkpointed
* state to obtain stack pointer (see:get_tm_stackpointer()).
* This will then directly return to userspace without going
* through __switch_to(). However, if the stack frame is bad,
* we need to exit this thread which calls __switch_to() which
* will again attempt to reclaim the already saved tm state.
* Hence we need to check that we've not already reclaimed
* this state.
* We do this using the current MSR, rather tracking it in
* some specific thread_struct bit, as it has the additional
* benifit of checking for a potential TM bad thing exception.
*/
if (!MSR_TM_SUSPENDED(mfmsr()))
return;
/*
* Use the current MSR TM suspended bit to track if we have
* checkpointed state outstanding.

2
arch/powerpc/kvm/book3s_hv_rmhandlers.S
View file

@ -2153,7 +2153,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
/* Emulate H_SET_DABR/X on P8 for the sake of compat mode guests */
2: rlwimi r5, r4, 5, DAWRX_DR | DAWRX_DW
rlwimi r5, r4, 1, DAWRX_WT
rlwimi r5, r4, 2, DAWRX_WT
clrrdi r4, r4, 3
std r4, VCPU_DAWR(r3)
std r5, VCPU_DAWRX(r3)

20
arch/powerpc/kvm/powerpc.c
View file

@ -919,21 +919,17 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
r = -ENXIO;
break;
}
vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0] = val.vval;
val.vval = vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0];
break;
case KVM_REG_PPC_VSCR:
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
vcpu->arch.vr.vscr.u[3] = set_reg_val(reg->id, val);
val = get_reg_val(reg->id, vcpu->arch.vr.vscr.u[3]);
break;
case KVM_REG_PPC_VRSAVE:
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
vcpu->arch.vrsave = set_reg_val(reg->id, val);
val = get_reg_val(reg->id, vcpu->arch.vrsave);
break;
#endif /* CONFIG_ALTIVEC */
default:
@ -974,17 +970,21 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
r = -ENXIO;
break;
}
val.vval = vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0];
vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0] = val.vval;
break;
case KVM_REG_PPC_VSCR:
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
val = get_reg_val(reg->id, vcpu->arch.vr.vscr.u[3]);
vcpu->arch.vr.vscr.u[3] = set_reg_val(reg->id, val);
break;
case KVM_REG_PPC_VRSAVE:
val = get_reg_val(reg->id, vcpu->arch.vrsave);
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
vcpu->arch.vrsave = set_reg_val(reg->id, val);
break;
#endif /* CONFIG_ALTIVEC */
default:

5
arch/powerpc/platforms/powernv/eeh-powernv.c
View file

@ -444,9 +444,12 @@ static void *pnv_eeh_probe(struct pci_dn *pdn, void *data)
* PCI devices of the PE are expected to be removed prior
* to PE reset.
*/
if (!edev->pe->bus)
if (!(edev->pe->state & EEH_PE_PRI_BUS)) {
edev->pe->bus = pci_find_bus(hose->global_number,
pdn->busno);
if (edev->pe->bus)
edev->pe->state |= EEH_PE_PRI_BUS;
}
/*
* Enable EEH explicitly so that we will do EEH check

1
arch/powerpc/platforms/powernv/pci-ioda.c
View file

@ -3034,6 +3034,7 @@ static void pnv_pci_ioda_shutdown(struct pci_controller *hose)
static const struct pci_controller_ops pnv_pci_ioda_controller_ops = {
.dma_dev_setup = pnv_pci_dma_dev_setup,
.dma_bus_setup = pnv_pci_dma_bus_setup,
#ifdef CONFIG_PCI_MSI
.setup_msi_irqs = pnv_setup_msi_irqs,
.teardown_msi_irqs = pnv_teardown_msi_irqs,

26
arch/powerpc/platforms/powernv/pci.c
View file

@ -601,6 +601,9 @@ int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
u64 rpn = __pa(uaddr) >> tbl->it_page_shift;
long i;
if (proto_tce & TCE_PCI_WRITE)
proto_tce |= TCE_PCI_READ;
for (i = 0; i < npages; i++) {
unsigned long newtce = proto_tce |
((rpn + i) << tbl->it_page_shift);
@ -622,6 +625,9 @@ int pnv_tce_xchg(struct iommu_table *tbl, long index,
BUG_ON(*hpa & ~IOMMU_PAGE_MASK(tbl));
if (newtce & TCE_PCI_WRITE)
newtce |= TCE_PCI_READ;
oldtce = xchg(pnv_tce(tbl, idx), cpu_to_be64(newtce));
*hpa = be64_to_cpu(oldtce) & ~(TCE_PCI_READ | TCE_PCI_WRITE);
*direction = iommu_tce_direction(oldtce);
@ -762,6 +768,26 @@ void pnv_pci_dma_dev_setup(struct pci_dev *pdev)
phb->dma_dev_setup(phb, pdev);
}
void pnv_pci_dma_bus_setup(struct pci_bus *bus)
{
struct pci_controller *hose = bus->sysdata;
struct pnv_phb *phb = hose->private_data;
struct pnv_ioda_pe *pe;
list_for_each_entry(pe, &phb->ioda.pe_list, list) {
if (!(pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)))
continue;
if (!pe->pbus)
continue;
if (bus->number == ((pe->rid >> 8) & 0xFF)) {
pe->pbus = bus;
break;
}
}
}
void pnv_pci_shutdown(void)
{
struct pci_controller *hose;

1
arch/powerpc/platforms/powernv/pci.h
View file

@ -235,6 +235,7 @@ extern void pnv_pci_reset_secondary_bus(struct pci_dev *dev);
extern int pnv_eeh_phb_reset(struct pci_controller *hose, int option);
extern void pnv_pci_dma_dev_setup(struct pci_dev *pdev);
extern void pnv_pci_dma_bus_setup(struct pci_bus *bus);
extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type);
extern void pnv_teardown_msi_irqs(struct pci_dev *pdev);

6
arch/x86/crypto/chacha20-ssse3-x86_64.S
View file

@ -157,7 +157,9 @@ ENTRY(chacha20_4block_xor_ssse3)
# done with the slightly better performing SSSE3 byte shuffling,
# 7/12-bit word rotation uses traditional shift+OR.
sub $0x40,%rsp
mov %rsp,%r11
sub $0x80,%rsp
and $~63,%rsp
# x0..15[0-3] = s0..3[0..3]
movq 0x00(%rdi),%xmm1
@ -620,6 +622,6 @@ ENTRY(chacha20_4block_xor_ssse3)
pxor %xmm1,%xmm15
movdqu %xmm15,0xf0(%rsi)
add $0x40,%rsp
mov %r11,%rsp
ret
ENDPROC(chacha20_4block_xor_ssse3)

2
arch/x86/include/asm/boot.h
View file

@ -27,7 +27,7 @@
#define BOOT_HEAP_SIZE 0x400000
#else /* !CONFIG_KERNEL_BZIP2 */
#define BOOT_HEAP_SIZE 0x8000
#define BOOT_HEAP_SIZE 0x10000
#endif /* !CONFIG_KERNEL_BZIP2 */

34
arch/x86/include/asm/mmu_context.h
View file

@ -116,8 +116,36 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
#endif
cpumask_set_cpu(cpu, mm_cpumask(next));
/* Re-load page tables */
/*
* Re-load page tables.
*
* This logic has an ordering constraint:
*
* CPU 0: Write to a PTE for 'next'
* CPU 0: load bit 1 in mm_cpumask. if nonzero, send IPI.
* CPU 1: set bit 1 in next's mm_cpumask
* CPU 1: load from the PTE that CPU 0 writes (implicit)
*
* We need to prevent an outcome in which CPU 1 observes
* the new PTE value and CPU 0 observes bit 1 clear in
* mm_cpumask. (If that occurs, then the IPI will never
* be sent, and CPU 0's TLB will contain a stale entry.)
*
* The bad outcome can occur if either CPU's load is
* reordered before that CPU's store, so both CPUs must
* execute full barriers to prevent this from happening.
*
* Thus, switch_mm needs a full barrier between the
* store to mm_cpumask and any operation that could load
* from next->pgd. TLB fills are special and can happen
* due to instruction fetches or for no reason at all,
* and neither LOCK nor MFENCE orders them.
* Fortunately, load_cr3() is serializing and gives the
* ordering guarantee we need.
*
*/
load_cr3(next->pgd);
trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL);
/* Stop flush ipis for the previous mm */
@ -156,10 +184,14 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
* schedule, protecting us from simultaneous changes.
*/
cpumask_set_cpu(cpu, mm_cpumask(next));
/*
* We were in lazy tlb mode and leave_mm disabled
* tlb flush IPI delivery. We must reload CR3
* to make sure to use no freed page tables.
*
* As above, load_cr3() is serializing and orders TLB
* fills with respect to the mm_cpumask write.
*/
load_cr3(next->pgd);
trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL);

6
arch/x86/include/asm/pgtable_types.h
View file

@ -363,20 +363,18 @@ static inline enum page_cache_mode pgprot2cachemode(pgprot_t pgprot)
}
static inline pgprot_t pgprot_4k_2_large(pgprot_t pgprot)
{
pgprotval_t val = pgprot_val(pgprot);
pgprot_t new;
unsigned long val;
val = pgprot_val(pgprot);
pgprot_val(new) = (val & ~(_PAGE_PAT | _PAGE_PAT_LARGE)) |
((val & _PAGE_PAT) << (_PAGE_BIT_PAT_LARGE - _PAGE_BIT_PAT));
return new;
}
static inline pgprot_t pgprot_large_2_4k(pgprot_t pgprot)
{
pgprotval_t val = pgprot_val(pgprot);
pgprot_t new;
unsigned long val;
val = pgprot_val(pgprot);
pgprot_val(new) = (val & ~(_PAGE_PAT | _PAGE_PAT_LARGE)) |
((val & _PAGE_PAT_LARGE) >>
(_PAGE_BIT_PAT_LARGE - _PAGE_BIT_PAT));

8
arch/x86/kernel/reboot.c
View file

@ -182,6 +182,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
},
},
{ /* Handle problems with rebooting on the iMac10,1. */
.callback = set_pci_reboot,
.ident = "Apple iMac10,1",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "iMac10,1"),
},
},
/* ASRock */
{ /* Handle problems with rebooting on ASRock Q1900DC-ITX */

2
arch/x86/kvm/trace.h
View file

@ -268,7 +268,7 @@ TRACE_EVENT(kvm_inj_virq,
#define kvm_trace_sym_exc \
EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM), \
EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF), \
EXS(MF), EXS(MC)
EXS(MF), EXS(AC), EXS(MC)
/*
* Tracepoint for kvm interrupt injection:

3
arch/x86/kvm/vmx.c
View file

@ -8932,7 +8932,8 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
best->ebx &= ~bit(X86_FEATURE_INVPCID);
}
vmcs_set_secondary_exec_control(secondary_exec_ctl);
if (cpu_has_secondary_exec_ctrls())
vmcs_set_secondary_exec_control(secondary_exec_ctl);
if (static_cpu_has(X86_FEATURE_PCOMMIT) && nested) {
if (guest_cpuid_has_pcommit(vcpu))

11
arch/x86/kvm/x86.c
View file

@ -951,7 +951,7 @@ static u32 msrs_to_save[] = {
MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR,
#endif
MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA,
MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS
MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS, MSR_TSC_AUX,
};
static unsigned num_msrs_to_save;
@ -4006,16 +4006,17 @@ static void kvm_init_msr_list(void)
/*
* Even MSRs that are valid in the host may not be exposed
* to the guests in some cases. We could work around this
* in VMX with the generic MSR save/load machinery, but it
* is not really worthwhile since it will really only
* happen with nested virtualization.
* to the guests in some cases.
*/
switch (msrs_to_save[i]) {
case MSR_IA32_BNDCFGS:
if (!kvm_x86_ops->mpx_supported())
continue;
break;
case MSR_TSC_AUX:
if (!kvm_x86_ops->rdtscp_supported())
continue;
break;
default:
break;
}

142
arch/x86/lib/copy_user_64.S
View file

@ -232,17 +232,31 @@ ENDPROC(copy_user_enhanced_fast_string)
/*
* copy_user_nocache - Uncached memory copy with exception handling
* This will force destination/source out of cache for more performance.
* This will force destination out of cache for more performance.
*
* Note: Cached memory copy is used when destination or size is not
* naturally aligned. That is:
* - Require 8-byte alignment when size is 8 bytes or larger.
* - Require 4-byte alignment when size is 4 bytes.
*/
ENTRY(__copy_user_nocache)
ASM_STAC
/* If size is less than 8 bytes, go to 4-byte copy */
cmpl $8,%edx
jb 20f /* less then 8 bytes, go to byte copy loop */
jb .L_4b_nocache_copy_entry
/* If destination is not 8-byte aligned, "cache" copy to align it */
ALIGN_DESTINATION
/* Set 4x8-byte copy count and remainder */
movl %edx,%ecx
andl $63,%edx
shrl $6,%ecx
jz 17f
jz .L_8b_nocache_copy_entry /* jump if count is 0 */
/* Perform 4x8-byte nocache loop-copy */
.L_4x8b_nocache_copy_loop:
1: movq (%rsi),%r8
2: movq 1*8(%rsi),%r9
3: movq 2*8(%rsi),%r10
@ -262,60 +276,106 @@ ENTRY(__copy_user_nocache)
leaq 64(%rsi),%rsi
leaq 64(%rdi),%rdi
decl %ecx
jnz 1b
17: movl %edx,%ecx
jnz .L_4x8b_nocache_copy_loop
/* Set 8-byte copy count and remainder */
.L_8b_nocache_copy_entry:
movl %edx,%ecx
andl $7,%edx
shrl $3,%ecx
jz 20f
18: movq (%rsi),%r8
19: movnti %r8,(%rdi)
jz .L_4b_nocache_copy_entry /* jump if count is 0 */
/* Perform 8-byte nocache loop-copy */
.L_8b_nocache_copy_loop:
20: movq (%rsi),%r8
21: movnti %r8,(%rdi)
leaq 8(%rsi),%rsi
leaq 8(%rdi),%rdi
decl %ecx
jnz 18b
20: andl %edx,%edx
jz 23f
jnz .L_8b_nocache_copy_loop
/* If no byte left, we're done */
.L_4b_nocache_copy_entry:
andl %edx,%edx
jz .L_finish_copy
/* If destination is not 4-byte aligned, go to byte copy: */
movl %edi,%ecx
andl $3,%ecx
jnz .L_1b_cache_copy_entry
/* Set 4-byte copy count (1 or 0) and remainder */
movl %edx,%ecx
21: movb (%rsi),%al
22: movb %al,(%rdi)
andl $3,%edx
shrl $2,%ecx
jz .L_1b_cache_copy_entry /* jump if count is 0 */
/* Perform 4-byte nocache copy: */
30: movl (%rsi),%r8d
31: movnti %r8d,(%rdi)
leaq 4(%rsi),%rsi
leaq 4(%rdi),%rdi
/* If no bytes left, we're done: */
andl %edx,%edx
jz .L_finish_copy
/* Perform byte "cache" loop-copy for the remainder */
.L_1b_cache_copy_entry:
movl %edx,%ecx
.L_1b_cache_copy_loop:
40: movb (%rsi),%al
41: movb %al,(%rdi)
incq %rsi
incq %rdi
decl %ecx
jnz 21b
23: xorl %eax,%eax
jnz .L_1b_cache_copy_loop
/* Finished copying; fence the prior stores */
.L_finish_copy:
xorl %eax,%eax
ASM_CLAC
sfence
ret
.section .fixup,"ax"
30: shll $6,%ecx
.L_fixup_4x8b_copy:
shll $6,%ecx
addl %ecx,%edx
jmp 60f
40: lea (%rdx,%rcx,8),%rdx
jmp 60f
50: movl %ecx,%edx
60: sfence
jmp .L_fixup_handle_tail
.L_fixup_8b_copy:
lea (%rdx,%rcx,8),%rdx
jmp .L_fixup_handle_tail
.L_fixup_4b_copy:
lea (%rdx,%rcx,4),%rdx
jmp .L_fixup_handle_tail
.L_fixup_1b_copy:
movl %ecx,%edx
.L_fixup_handle_tail:
sfence
jmp copy_user_handle_tail
.previous
_ASM_EXTABLE(1b,30b)
_ASM_EXTABLE(2b,30b)
_ASM_EXTABLE(3b,30b)
_ASM_EXTABLE(4b,30b)
_ASM_EXTABLE(5b,30b)
_ASM_EXTABLE(6b,30b)
_ASM_EXTABLE(7b,30b)
_ASM_EXTABLE(8b,30b)
_ASM_EXTABLE(9b,30b)
_ASM_EXTABLE(10b,30b)
_ASM_EXTABLE(11b,30b)
_ASM_EXTABLE(12b,30b)
_ASM_EXTABLE(13b,30b)
_ASM_EXTABLE(14b,30b)
_ASM_EXTABLE(15b,30b)
_ASM_EXTABLE(16b,30b)
_ASM_EXTABLE(18b,40b)
_ASM_EXTABLE(19b,40b)
_ASM_EXTABLE(21b,50b)
_ASM_EXTABLE(22b,50b)
_ASM_EXTABLE(1b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(2b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(3b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(4b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(5b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(6b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(7b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(8b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(9b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(10b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(11b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(12b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(13b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(14b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(15b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(16b,.L_fixup_4x8b_copy)
_ASM_EXTABLE(20b,.L_fixup_8b_copy)
_ASM_EXTABLE(21b,.L_fixup_8b_copy)
_ASM_EXTABLE(30b,.L_fixup_4b_copy)
_ASM_EXTABLE(31b,.L_fixup_4b_copy)
_ASM_EXTABLE(40b,.L_fixup_1b_copy)
_ASM_EXTABLE(41b,.L_fixup_1b_copy)
ENDPROC(__copy_user_nocache)

15
arch/x86/mm/fault.c
View file

@ -287,6 +287,9 @@ static noinline int vmalloc_fault(unsigned long address)
if (!pmd_k)
return -1;
if (pmd_huge(*pmd_k))
return 0;
pte_k = pte_offset_kernel(pmd_k, address);
if (!pte_present(*pte_k))
return -1;
@ -360,8 +363,6 @@ void vmalloc_sync_all(void)
* 64-bit:
*
* Handle a fault on the vmalloc area
*
* This assumes no large pages in there.
*/
static noinline int vmalloc_fault(unsigned long address)
{
@ -403,17 +404,23 @@ static noinline int vmalloc_fault(unsigned long address)
if (pud_none(*pud_ref))
return -1;
if (pud_none(*pud) || pud_page_vaddr(*pud) != pud_page_vaddr(*pud_ref))
if (pud_none(*pud) || pud_pfn(*pud) != pud_pfn(*pud_ref))
BUG();
if (pud_huge(*pud))
return 0;
pmd = pmd_offset(pud, address);
pmd_ref = pmd_offset(pud_ref, address);
if (pmd_none(*pmd_ref))
return -1;
if (pmd_none(*pmd) || pmd_page(*pmd) != pmd_page(*pmd_ref))
if (pmd_none(*pmd) || pmd_pfn(*pmd) != pmd_pfn(*pmd_ref))
BUG();
if (pmd_huge(*pmd))
return 0;
pte_ref = pte_offset_kernel(pmd_ref, address);
if (!pte_present(*pte_ref))
return -1;

4
arch/x86/mm/pageattr.c
View file

@ -33,7 +33,7 @@ struct cpa_data {
pgd_t *pgd;
pgprot_t mask_set;
pgprot_t mask_clr;
int numpages;
unsigned long numpages;
int flags;
unsigned long pfn;
unsigned force_split : 1;
@ -1345,7 +1345,7 @@ static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias)
* CPA operation. Either a large page has been
* preserved or a single page update happened.
*/
BUG_ON(cpa->numpages > numpages);
BUG_ON(cpa->numpages > numpages || !cpa->numpages);
numpages -= cpa->numpages;
if (cpa->flags & (CPA_PAGES_ARRAY | CPA_ARRAY))
cpa->curpage++;

29
arch/x86/mm/tlb.c
View file

@ -161,7 +161,10 @@ void flush_tlb_current_task(void)
preempt_disable();
count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
/* This is an implicit full barrier that synchronizes with switch_mm. */
local_flush_tlb();
trace_tlb_flush(TLB_LOCAL_SHOOTDOWN, TLB_FLUSH_ALL);
if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(mm_cpumask(mm), mm, 0UL, TLB_FLUSH_ALL);
@ -188,17 +191,29 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
unsigned long base_pages_to_flush = TLB_FLUSH_ALL;
preempt_disable();
if (current->active_mm != mm)
if (current->active_mm != mm) {
/* Synchronize with switch_mm. */
smp_mb();
goto out;
}
if (!current->mm) {
leave_mm(smp_processor_id());
/* Synchronize with switch_mm. */
smp_mb();
goto out;
}
if ((end != TLB_FLUSH_ALL) && !(vmflag & VM_HUGETLB))
base_pages_to_flush = (end - start) >> PAGE_SHIFT;
/*
* Both branches below are implicit full barriers (MOV to CR or
* INVLPG) that synchronize with switch_mm.
*/
if (base_pages_to_flush > tlb_single_page_flush_ceiling) {
base_pages_to_flush = TLB_FLUSH_ALL;
count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
@ -228,10 +243,18 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long start)
preempt_disable();
if (current->active_mm == mm) {
if (current->mm)
if (current->mm) {
/*
* Implicit full barrier (INVLPG) that synchronizes
* with switch_mm.
*/
__flush_tlb_one(start);
else
} else {
leave_mm(smp_processor_id());
/* Synchronize with switch_mm. */
smp_mb();
}
}
if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)

3
arch/x86/xen/suspend.c
View file

@ -34,7 +34,8 @@ static void xen_hvm_post_suspend(int suspend_cancelled)
{
#ifdef CONFIG_XEN_PVHVM
int cpu;
xen_hvm_init_shared_info();
if (!suspend_cancelled)
xen_hvm_init_shared_info();
xen_callback_vector();
xen_unplug_emulated_devices();
if (xen_feature(XENFEAT_hvm_safe_pvclock)) {

31
block/blk-merge.c
View file

@ -68,6 +68,18 @@ static struct bio *blk_bio_write_same_split(struct request_queue *q,
return bio_split(bio, q->limits.max_write_same_sectors, GFP_NOIO, bs);
}
static inline unsigned get_max_io_size(struct request_queue *q,
struct bio *bio)
{
unsigned sectors = blk_max_size_offset(q, bio->bi_iter.bi_sector);
unsigned mask = queue_logical_block_size(q) - 1;
/* aligned to logical block size */
sectors &= ~(mask >> 9);
return sectors;
}
static struct bio *blk_bio_segment_split(struct request_queue *q,
struct bio *bio,
struct bio_set *bs,
@ -79,11 +91,9 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
unsigned front_seg_size = bio->bi_seg_front_size;
bool do_split = true;
struct bio *new = NULL;
const unsigned max_sectors = get_max_io_size(q, bio);
bio_for_each_segment(bv, bio, iter) {
if (sectors + (bv.bv_len >> 9) > queue_max_sectors(q))
goto split;
/*
* If the queue doesn't support SG gaps and adding this
* offset would create a gap, disallow it.
@ -91,6 +101,21 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
if (bvprvp && bvec_gap_to_prev(q, bvprvp, bv.bv_offset))
goto split;
if (sectors + (bv.bv_len >> 9) > max_sectors) {
/*
* Consider this a new segment if we're splitting in
* the middle of this vector.
*/
if (nsegs < queue_max_segments(q) &&
sectors < max_sectors) {
nsegs++;
sectors = max_sectors;
}
if (sectors)
goto split;
/* Make this single bvec as the 1st segment */
}
if (bvprvp && blk_queue_cluster(q)) {
if (seg_size + bv.bv_len > queue_max_segment_size(q))
goto new_segment;

55
crypto/af_alg.c
View file

@ -76,6 +76,8 @@ int af_alg_register_type(const struct af_alg_type *type)
goto unlock;
type->ops->owner = THIS_MODULE;
if (type->ops_nokey)
type->ops_nokey->owner = THIS_MODULE;
node->type = type;
list_add(&node->list, &alg_types);
err = 0;
@ -125,6 +127,26 @@ int af_alg_release(struct socket *sock)
}
EXPORT_SYMBOL_GPL(af_alg_release);
void af_alg_release_parent(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
unsigned int nokey = ask->nokey_refcnt;
bool last = nokey && !ask->refcnt;
sk = ask->parent;
ask = alg_sk(sk);
lock_sock(sk);
ask->nokey_refcnt -= nokey;
if (!last)
last = !--ask->refcnt;
release_sock(sk);
if (last)
sock_put(sk);
}
EXPORT_SYMBOL_GPL(af_alg_release_parent);
static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
const u32 forbidden = CRYPTO_ALG_INTERNAL;
@ -133,6 +155,7 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct sockaddr_alg *sa = (void *)uaddr;
const struct af_alg_type *type;
void *private;
int err;
if (sock->state == SS_CONNECTED)
return -EINVAL;
@ -160,16 +183,22 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
return PTR_ERR(private);
}
err = -EBUSY;
lock_sock(sk);
if (ask->refcnt | ask->nokey_refcnt)
goto unlock;
swap(ask->type, type);
swap(ask->private, private);
err = 0;
unlock:
release_sock(sk);
alg_do_release(type, private);
return 0;
return err;
}
static int alg_setkey(struct sock *sk, char __user *ukey,
@ -202,11 +231,15 @@ static int alg_setsockopt(struct socket *sock, int level, int optname,
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
const struct af_alg_type *type;
int err = -ENOPROTOOPT;
int err = -EBUSY;
lock_sock(sk);
if (ask->refcnt)
goto unlock;
type = ask->type;
err = -ENOPROTOOPT;
if (level != SOL_ALG || !type)
goto unlock;
@ -238,6 +271,7 @@ int af_alg_accept(struct sock *sk, struct socket *newsock)
struct alg_sock *ask = alg_sk(sk);
const struct af_alg_type *type;
struct sock *sk2;
unsigned int nokey;
int err;
lock_sock(sk);
@ -257,20 +291,29 @@ int af_alg_accept(struct sock *sk, struct socket *newsock)
security_sk_clone(sk, sk2);
err = type->accept(ask->private, sk2);
if (err) {
sk_free(sk2);
nokey = err == -ENOKEY;
if (nokey && type->accept_nokey)
err = type->accept_nokey(ask->private, sk2);
if (err)
goto unlock;
}
sk2->sk_family = PF_ALG;
sock_hold(sk);
if (nokey || !ask->refcnt++)
sock_hold(sk);
ask->nokey_refcnt += nokey;
alg_sk(sk2)->parent = sk;
alg_sk(sk2)->type = type;
alg_sk(sk2)->nokey_refcnt = nokey;
newsock->ops = type->ops;
newsock->state = SS_CONNECTED;
if (nokey)
newsock->ops = type->ops_nokey;
err = 0;
unlock:

5
crypto/ahash.c
View file

@ -451,6 +451,7 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
struct ahash_alg *alg = crypto_ahash_alg(hash);
hash->setkey = ahash_nosetkey;
hash->has_setkey = false;
hash->export = ahash_no_export;
hash->import = ahash_no_import;
@ -463,8 +464,10 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
hash->finup = alg->finup ?: ahash_def_finup;
hash->digest = alg->digest;
if (alg->setkey)
if (alg->setkey) {
hash->setkey = alg->setkey;
hash->has_setkey = true;
}
if (alg->export)
hash->export = alg->export;
if (alg->import)

169
crypto/algif_hash.c
View file

@ -34,6 +34,11 @@ struct hash_ctx {
struct ahash_request req;
};
struct algif_hash_tfm {
struct crypto_ahash *hash;
bool has_key;
};
static int hash_sendmsg(struct socket *sock, struct msghdr *msg,
size_t ignored)
{
@ -49,7 +54,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg,
lock_sock(sk);
if (!ctx->more) {
err = crypto_ahash_init(&ctx->req);
err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req),
&ctx->completion);
if (err)
goto unlock;
}
@ -120,6 +126,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page,
} else {
if (!ctx->more) {
err = crypto_ahash_init(&ctx->req);
err = af_alg_wait_for_completion(err, &ctx->completion);
if (err)
goto unlock;
}
@ -235,19 +242,151 @@ static struct proto_ops algif_hash_ops = {
.accept = hash_accept,
};
static int hash_check_key(struct socket *sock)
{
int err = 0;
struct sock *psk;
struct alg_sock *pask;
struct algif_hash_tfm *tfm;
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
lock_sock(sk);
if (ask->refcnt)
goto unlock_child;
psk = ask->parent;
pask = alg_sk(ask->parent);
tfm = pask->private;
err = -ENOKEY;
lock_sock_nested(psk, SINGLE_DEPTH_NESTING);
if (!tfm->has_key)
goto unlock;
if (!pask->refcnt++)
sock_hold(psk);
ask->refcnt = 1;
sock_put(psk);
err = 0;
unlock:
release_sock(psk);
unlock_child:
release_sock(sk);
return err;
}
static int hash_sendmsg_nokey(struct socket *sock, struct msghdr *msg,
size_t size)
{
int err;
err = hash_check_key(sock);
if (err)
return err;
return hash_sendmsg(sock, msg, size);
}
static ssize_t hash_sendpage_nokey(struct socket *sock, struct page *page,
int offset, size_t size, int flags)
{
int err;
err = hash_check_key(sock);
if (err)
return err;
return hash_sendpage(sock, page, offset, size, flags);
}
static int hash_recvmsg_nokey(struct socket *sock, struct msghdr *msg,
size_t ignored, int flags)
{
int err;
err = hash_check_key(sock);
if (err)
return err;
return hash_recvmsg(sock, msg, ignored, flags);
}
static int hash_accept_nokey(struct socket *sock, struct socket *newsock,
int flags)
{
int err;
err = hash_check_key(sock);
if (err)
return err;
return hash_accept(sock, newsock, flags);
}
static struct proto_ops algif_hash_ops_nokey = {
.family = PF_ALG,
.connect = sock_no_connect,
.socketpair = sock_no_socketpair,
.getname = sock_no_getname,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
.getsockopt = sock_no_getsockopt,
.mmap = sock_no_mmap,
.bind = sock_no_bind,
.setsockopt = sock_no_setsockopt,
.poll = sock_no_poll,
.release = af_alg_release,
.sendmsg = hash_sendmsg_nokey,
.sendpage = hash_sendpage_nokey,
.recvmsg = hash_recvmsg_nokey,
.accept = hash_accept_nokey,
};
static void *hash_bind(const char *name, u32 type, u32 mask)
{
return crypto_alloc_ahash(name, type, mask);
struct algif_hash_tfm *tfm;
struct crypto_ahash *hash;
tfm = kzalloc(sizeof(*tfm), GFP_KERNEL);
if (!tfm)
return ERR_PTR(-ENOMEM);
hash = crypto_alloc_ahash(name, type, mask);
if (IS_ERR(hash)) {
kfree(tfm);
return ERR_CAST(hash);
}
tfm->hash = hash;
return tfm;
}
static void hash_release(void *private)
{
crypto_free_ahash(private);
struct algif_hash_tfm *tfm = private;
crypto_free_ahash(tfm->hash);
kfree(tfm);
}
static int hash_setkey(void *private, const u8 *key, unsigned int keylen)
{
return crypto_ahash_setkey(private, key, keylen);
struct algif_hash_tfm *tfm = private;
int err;
err = crypto_ahash_setkey(tfm->hash, key, keylen);
tfm->has_key = !err;
return err;
}
static void hash_sock_destruct(struct sock *sk)
@ -261,12 +400,14 @@ static void hash_sock_destruct(struct sock *sk)
af_alg_release_parent(sk);
}
static int hash_accept_parent(void *private, struct sock *sk)
static int hash_accept_parent_nokey(void *private, struct sock *sk)
{
struct hash_ctx *ctx;
struct alg_sock *ask = alg_sk(sk);
unsigned len = sizeof(*ctx) + crypto_ahash_reqsize(private);
unsigned ds = crypto_ahash_digestsize(private);
struct algif_hash_tfm *tfm = private;
struct crypto_ahash *hash = tfm->hash;
unsigned len = sizeof(*ctx) + crypto_ahash_reqsize(hash);
unsigned ds = crypto_ahash_digestsize(hash);
ctx = sock_kmalloc(sk, len, GFP_KERNEL);
if (!ctx)
@ -286,7 +427,7 @@ static int hash_accept_parent(void *private, struct sock *sk)
ask->private = ctx;
ahash_request_set_tfm(&ctx->req, private);
ahash_request_set_tfm(&ctx->req, hash);
ahash_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG,
af_alg_complete, &ctx->completion);
@ -295,12 +436,24 @@ static int hash_accept_parent(void *private, struct sock *sk)
return 0;
}
static int hash_accept_parent(void *private, struct sock *sk)
{
struct algif_hash_tfm *tfm = private;
if (!tfm->has_key && crypto_ahash_has_setkey(tfm->hash))
return -ENOKEY;
return hash_accept_parent_nokey(private, sk);
}
static const struct af_alg_type algif_type_hash = {
.bind = hash_bind,
.release = hash_release,
.setkey = hash_setkey,
.accept = hash_accept_parent,
.accept_nokey = hash_accept_parent_nokey,
.ops = &algif_hash_ops,
.ops_nokey = &algif_hash_ops_nokey,
.name = "hash",
.owner = THIS_MODULE
};

256
crypto/algif_skcipher.c
View file

@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
struct skcipher_tfm {
struct crypto_skcipher *skcipher;
bool has_key;
};
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@ -60,18 +65,10 @@ struct skcipher_async_req {
struct skcipher_async_rsgl first_sgl;
struct list_head list;
struct scatterlist *tsg;
char iv[];
atomic_t *inflight;
struct skcipher_request req;
};
#define GET_SREQ(areq, ctx) (struct skcipher_async_req *)((char *)areq + \
crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req)))
#define GET_REQ_SIZE(ctx) \
crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req))
#define GET_IV_SIZE(ctx) \
crypto_skcipher_ivsize(crypto_skcipher_reqtfm(&ctx->req))
#define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \
sizeof(struct scatterlist) - 1)
@ -97,15 +94,12 @@ static void skcipher_free_async_sgls(struct skcipher_async_req *sreq)
static void skcipher_async_cb(struct crypto_async_request *req, int err)
{
struct sock *sk = req->data;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_async_req *sreq = GET_SREQ(req, ctx);
struct skcipher_async_req *sreq = req->data;
struct kiocb *iocb = sreq->iocb;
atomic_dec(&ctx->inflight);
atomic_dec(sreq->inflight);
skcipher_free_async_sgls(sreq);
kfree(req);
kzfree(sreq);
iocb->ki_complete(iocb, err, err);
}
@ -301,8 +295,11 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct sock *psk = ask->parent;
struct alg_sock *pask = alg_sk(psk);
struct skcipher_ctx *ctx = ask->private;
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
struct skcipher_tfm *skc = pask->private;
struct crypto_skcipher *tfm = skc->skcipher;
unsigned ivsize = crypto_skcipher_ivsize(tfm);
struct skcipher_sg_list *sgl;
struct af_alg_control con = {};
@ -387,7 +384,8 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
sgl = list_entry(ctx->tsgl.prev, struct skcipher_sg_list, list);
sg = sgl->sg;
sg_unmark_end(sg + sgl->cur);
if (sgl->cur)
sg_unmark_end(sg + sgl->cur - 1);
do {
i = sgl->cur;
plen = min_t(int, len, PAGE_SIZE);
@ -503,37 +501,43 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct sock *psk = ask->parent;
struct alg_sock *pask = alg_sk(psk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_tfm *skc = pask->private;
struct crypto_skcipher *tfm = skc->skcipher;
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
struct skcipher_async_req *sreq;
struct skcipher_request *req;
struct skcipher_async_rsgl *last_rsgl = NULL;
unsigned int txbufs = 0, len = 0, tx_nents = skcipher_all_sg_nents(ctx);
unsigned int reqlen = sizeof(struct skcipher_async_req) +
GET_REQ_SIZE(ctx) + GET_IV_SIZE(ctx);
unsigned int txbufs = 0, len = 0, tx_nents;
unsigned int reqsize = crypto_skcipher_reqsize(tfm);
unsigned int ivsize = crypto_skcipher_ivsize(tfm);
int err = -ENOMEM;
bool mark = false;
char *iv;
sreq = kzalloc(sizeof(*sreq) + reqsize + ivsize, GFP_KERNEL);
if (unlikely(!sreq))
goto out;
req = &sreq->req;
iv = (char *)(req + 1) + reqsize;
sreq->iocb = msg->msg_iocb;
INIT_LIST_HEAD(&sreq->list);
sreq->inflight = &ctx->inflight;
lock_sock(sk);
req = kmalloc(reqlen, GFP_KERNEL);
if (unlikely(!req))
goto unlock;
sreq = GET_SREQ(req, ctx);
sreq->iocb = msg->msg_iocb;
memset(&sreq->first_sgl, '\0', sizeof(struct skcipher_async_rsgl));
INIT_LIST_HEAD(&sreq->list);
tx_nents = skcipher_all_sg_nents(ctx);
sreq->tsg = kcalloc(tx_nents, sizeof(*sg), GFP_KERNEL);
if (unlikely(!sreq->tsg)) {
kfree(req);
if (unlikely(!sreq->tsg))
goto unlock;
}
sg_init_table(sreq->tsg, tx_nents);
memcpy(sreq->iv, ctx->iv, GET_IV_SIZE(ctx));
skcipher_request_set_tfm(req, crypto_skcipher_reqtfm(&ctx->req));
skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
skcipher_async_cb, sk);
memcpy(iv, ctx->iv, ivsize);
skcipher_request_set_tfm(req, tfm);
skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP,
skcipher_async_cb, sreq);
while (iov_iter_count(&msg->msg_iter)) {
struct skcipher_async_rsgl *rsgl;
@ -609,20 +613,22 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
sg_mark_end(sreq->tsg + txbufs - 1);
skcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg,
len, sreq->iv);
len, iv);
err = ctx->enc ? crypto_skcipher_encrypt(req) :
crypto_skcipher_decrypt(req);
if (err == -EINPROGRESS) {
atomic_inc(&ctx->inflight);
err = -EIOCBQUEUED;
sreq = NULL;
goto unlock;
}
free:
skcipher_free_async_sgls(sreq);
kfree(req);
unlock:
skcipher_wmem_wakeup(sk);
release_sock(sk);
kzfree(sreq);
out:
return err;
}
@ -631,9 +637,12 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct sock *psk = ask->parent;
struct alg_sock *pask = alg_sk(psk);
struct skcipher_ctx *ctx = ask->private;
unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm(
&ctx->req));
struct skcipher_tfm *skc = pask->private;
struct crypto_skcipher *tfm = skc->skcipher;
unsigned bs = crypto_skcipher_blocksize(tfm);
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
int err = -EAGAIN;
@ -642,13 +651,6 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
lock_sock(sk);
while (msg_data_left(msg)) {
sgl = list_first_entry(&ctx->tsgl,
struct skcipher_sg_list, list);
sg = sgl->sg;
while (!sg->length)
sg++;
if (!ctx->used) {
err = skcipher_wait_for_data(sk, flags);
if (err)
@ -669,6 +671,13 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
if (!used)
goto free;
sgl = list_first_entry(&ctx->tsgl,
struct skcipher_sg_list, list);
sg = sgl->sg;
while (!sg->length)
sg++;
skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used,
ctx->iv);
@ -748,19 +757,139 @@ static struct proto_ops algif_skcipher_ops = {
.poll = skcipher_poll,
};
static int skcipher_check_key(struct socket *sock)
{
int err = 0;
struct sock *psk;
struct alg_sock *pask;
struct skcipher_tfm *tfm;
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
lock_sock(sk);
if (ask->refcnt)
goto unlock_child;
psk = ask->parent;
pask = alg_sk(ask->parent);
tfm = pask->private;
err = -ENOKEY;
lock_sock_nested(psk, SINGLE_DEPTH_NESTING);
if (!tfm->has_key)
goto unlock;
if (!pask->refcnt++)
sock_hold(psk);
ask->refcnt = 1;
sock_put(psk);
err = 0;
unlock:
release_sock(psk);
unlock_child:
release_sock(sk);
return err;
}
static int skcipher_sendmsg_nokey(struct socket *sock, struct msghdr *msg,
size_t size)
{
int err;
err = skcipher_check_key(sock);
if (err)
return err;
return skcipher_sendmsg(sock, msg, size);
}
static ssize_t skcipher_sendpage_nokey(struct socket *sock, struct page *page,
int offset, size_t size, int flags)
{
int err;
err = skcipher_check_key(sock);
if (err)
return err;
return skcipher_sendpage(sock, page, offset, size, flags);
}
static int skcipher_recvmsg_nokey(struct socket *sock, struct msghdr *msg,
size_t ignored, int flags)
{
int err;
err = skcipher_check_key(sock);
if (err)
return err;
return skcipher_recvmsg(sock, msg, ignored, flags);
}
static struct proto_ops algif_skcipher_ops_nokey = {
.family = PF_ALG,
.connect = sock_no_connect,
.socketpair = sock_no_socketpair,
.getname = sock_no_getname,
.ioctl = sock_no_ioctl,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,
.getsockopt = sock_no_getsockopt,
.mmap = sock_no_mmap,
.bind = sock_no_bind,
.accept = sock_no_accept,
.setsockopt = sock_no_setsockopt,
.release = af_alg_release,
.sendmsg = skcipher_sendmsg_nokey,
.sendpage = skcipher_sendpage_nokey,
.recvmsg = skcipher_recvmsg_nokey,
.poll = skcipher_poll,
};
static void *skcipher_bind(const char *name, u32 type, u32 mask)
{
return crypto_alloc_skcipher(name, type, mask);
struct skcipher_tfm *tfm;
struct crypto_skcipher *skcipher;
tfm = kzalloc(sizeof(*tfm), GFP_KERNEL);
if (!tfm)
return ERR_PTR(-ENOMEM);
skcipher = crypto_alloc_skcipher(name, type, mask);
if (IS_ERR(skcipher)) {
kfree(tfm);
return ERR_CAST(skcipher);
}
tfm->skcipher = skcipher;
return tfm;
}
static void skcipher_release(void *private)
{
crypto_free_skcipher(private);
struct skcipher_tfm *tfm = private;
crypto_free_skcipher(tfm->skcipher);
kfree(tfm);
}
static int skcipher_setkey(void *private, const u8 *key, unsigned int keylen)
{
return crypto_skcipher_setkey(private, key, keylen);
struct skcipher_tfm *tfm = private;
int err;
err = crypto_skcipher_setkey(tfm->skcipher, key, keylen);
tfm->has_key = !err;
return err;
}
static void skcipher_wait(struct sock *sk)
@ -788,24 +917,26 @@ static void skcipher_sock_destruct(struct sock *sk)
af_alg_release_parent(sk);
}
static int skcipher_accept_parent(void *private, struct sock *sk)
static int skcipher_accept_parent_nokey(void *private, struct sock *sk)
{
struct skcipher_ctx *ctx;
struct alg_sock *ask = alg_sk(sk);
unsigned int len = sizeof(*ctx) + crypto_skcipher_reqsize(private);
struct skcipher_tfm *tfm = private;
struct crypto_skcipher *skcipher = tfm->skcipher;
unsigned int len = sizeof(*ctx) + crypto_skcipher_reqsize(skcipher);
ctx = sock_kmalloc(sk, len, GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ctx->iv = sock_kmalloc(sk, crypto_skcipher_ivsize(private),
ctx->iv = sock_kmalloc(sk, crypto_skcipher_ivsize(skcipher),
GFP_KERNEL);
if (!ctx->iv) {
sock_kfree_s(sk, ctx, len);
return -ENOMEM;
}
memset(ctx->iv, 0, crypto_skcipher_ivsize(private));
memset(ctx->iv, 0, crypto_skcipher_ivsize(skcipher));
INIT_LIST_HEAD(&ctx->tsgl);
ctx->len = len;
@ -818,8 +949,9 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
ask->private = ctx;
skcipher_request_set_tfm(&ctx->req, private);
skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG,
skcipher_request_set_tfm(&ctx->req, skcipher);
skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_SLEEP |
CRYPTO_TFM_REQ_MAY_BACKLOG,
af_alg_complete, &ctx->completion);
sk->sk_destruct = skcipher_sock_destruct;
@ -827,12 +959,24 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
return 0;
}
static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_tfm *tfm = private;
if (!tfm->has_key && crypto_skcipher_has_setkey(tfm->skcipher))
return -ENOKEY;
return skcipher_accept_parent_nokey(private, sk);
}
static const struct af_alg_type algif_type_skcipher = {
.bind = skcipher_bind,
.release = skcipher_release,
.setkey = skcipher_setkey,
.accept = skcipher_accept_parent,
.accept_nokey = skcipher_accept_parent_nokey,
.ops = &algif_skcipher_ops,
.ops_nokey = &algif_skcipher_ops_nokey,
.name = "skcipher",
.owner = THIS_MODULE
};

1
crypto/crc32c_generic.c
View file

@ -172,4 +172,3 @@ MODULE_DESCRIPTION("CRC32c (Castagnoli) calculations wrapper for lib/crc32c");
MODULE_LICENSE("GPL");
MODULE_ALIAS_CRYPTO("crc32c");
MODULE_ALIAS_CRYPTO("crc32c-generic");
MODULE_SOFTDEP("pre: crc32c");

6
crypto/crypto_user.c
View file

@ -499,6 +499,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (link->dump == NULL)
return -EINVAL;
down_read(&crypto_alg_sem);
list_for_each_entry(alg, &crypto_alg_list, cra_list)
dump_alloc += CRYPTO_REPORT_MAXSIZE;
@ -508,8 +509,11 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
.done = link->done,
.min_dump_alloc = dump_alloc,
};
return netlink_dump_start(crypto_nlsk, skb, nlh, &c);
err = netlink_dump_start(crypto_nlsk, skb, nlh, &c);
}
up_read(&crypto_alg_sem);
return err;
}
err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX,

5
crypto/shash.c
View file

@ -354,9 +354,10 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
crt->final = shash_async_final;
crt->finup = shash_async_finup;
crt->digest = shash_async_digest;
crt->setkey = shash_async_setkey;
crt->has_setkey = alg->setkey != shash_no_setkey;
if (alg->setkey)
crt->setkey = shash_async_setkey;
if (alg->export)
crt->export = shash_async_export;
if (alg->import)

2
crypto/skcipher.c
View file

@ -118,6 +118,7 @@ static int crypto_init_skcipher_ops_blkcipher(struct crypto_tfm *tfm)
skcipher->decrypt = skcipher_decrypt_blkcipher;
skcipher->ivsize = crypto_blkcipher_ivsize(blkcipher);
skcipher->has_setkey = calg->cra_blkcipher.max_keysize;
return 0;
}
@ -210,6 +211,7 @@ static int crypto_init_skcipher_ops_ablkcipher(struct crypto_tfm *tfm)
skcipher->ivsize = crypto_ablkcipher_ivsize(ablkcipher);
skcipher->reqsize = crypto_ablkcipher_reqsize(ablkcipher) +
sizeof(struct ablkcipher_request);
skcipher->has_setkey = calg->cra_ablkcipher.max_keysize;
return 0;
}

20
drivers/ata/ahci.c
View file

@ -264,6 +264,26 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */

4
drivers/ata/libahci.c
View file

@ -495,8 +495,8 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
}
}
/* fabricate port_map from cap.nr_ports */
if (!port_map) {
/* fabricate port_map from cap.nr_ports for < AHCI 1.3 */
if (!port_map && vers < 0x10300) {
port_map = (1 << ahci_nr_ports(cap)) - 1;
dev_warn(dev, "forcing PORTS_IMPL to 0x%x\n", port_map);

13
drivers/base/platform.c
View file

@ -513,10 +513,15 @@ static int platform_drv_probe(struct device *_dev)
return ret;
ret = dev_pm_domain_attach(_dev, true);
if (ret != -EPROBE_DEFER && drv->probe) {
ret = drv->probe(dev);
if (ret)
dev_pm_domain_detach(_dev, true);
if (ret != -EPROBE_DEFER) {
if (drv->probe) {
ret = drv->probe(dev);
if (ret)
dev_pm_domain_detach(_dev, true);
} else {
/* don't fail if just dev_pm_domain_attach failed */
ret = 0;
}
}
if (drv->prevent_deferred_probe && ret == -EPROBE_DEFER) {

4
drivers/block/zram/zcomp.c
View file

@ -76,7 +76,7 @@ static void zcomp_strm_free(struct zcomp *comp, struct zcomp_strm *zstrm)
*/
static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
{
struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_KERNEL);
struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_NOIO);
if (!zstrm)
return NULL;
@ -85,7 +85,7 @@ static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
* allocate 2 pages. 1 for compressed data, plus 1 extra for the
* case when compressed size is larger than the original one
*/
zstrm->buffer = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 1);
zstrm->buffer = (void *)__get_free_pages(GFP_NOIO | __GFP_ZERO, 1);
if (!zstrm->private || !zstrm->buffer) {
zcomp_strm_free(comp, zstrm);
zstrm = NULL;

23
drivers/block/zram/zcomp_lz4.c
View file

@ -10,17 +10,36 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lz4.h>
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include "zcomp_lz4.h"
static void *zcomp_lz4_create(void)
{
return kzalloc(LZ4_MEM_COMPRESS, GFP_KERNEL);
void *ret;
/*
* This function can be called in swapout/fs write path
* so we can't use GFP_FS|IO. And it assumes we already
* have at least one stream in zram initialization so we
* don't do best effort to allocate more stream in here.
* A default stream will work well without further multiple
* streams. That's why we use NORETRY | NOWARN.
*/
ret = kzalloc(LZ4_MEM_COMPRESS, GFP_NOIO | __GFP_NORETRY |
__GFP_NOWARN);
if (!ret)
ret = __vmalloc(LZ4_MEM_COMPRESS,
GFP_NOIO | __GFP_NORETRY | __GFP_NOWARN |
__GFP_ZERO | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
static void zcomp_lz4_destroy(void *private)
{
kfree(private);
kvfree(private);
}
static int zcomp_lz4_compress(const unsigned char *src, unsigned char *dst,

23
drivers/block/zram/zcomp_lzo.c
View file

@ -10,17 +10,36 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lzo.h>
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include "zcomp_lzo.h"
static void *lzo_create(void)
{
return kzalloc(LZO1X_MEM_COMPRESS, GFP_KERNEL);
void *ret;
/*
* This function can be called in swapout/fs write path
* so we can't use GFP_FS|IO. And it assumes we already
* have at least one stream in zram initialization so we
* don't do best effort to allocate more stream in here.
* A default stream will work well without further multiple
* streams. That's why we use NORETRY | NOWARN.
*/
ret = kzalloc(LZO1X_MEM_COMPRESS, GFP_NOIO | __GFP_NORETRY |
__GFP_NOWARN);
if (!ret)
ret = __vmalloc(LZO1X_MEM_COMPRESS,
GFP_NOIO | __GFP_NORETRY | __GFP_NOWARN |
__GFP_ZERO | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
static void lzo_destroy(void *private)
{
kfree(private);
kvfree(private);
}
static int lzo_compress(const unsigned char *src, unsigned char *dst,

7
drivers/block/zram/zram_drv.c
View file

@ -1326,7 +1326,6 @@ static int zram_remove(struct zram *zram)
pr_info("Removed device: %s\n", zram->disk->disk_name);
idr_remove(&zram_index_idr, zram->disk->first_minor);
blk_cleanup_queue(zram->disk->queue);
del_gendisk(zram->disk);
put_disk(zram->disk);
@ -1368,10 +1367,12 @@ static ssize_t hot_remove_store(struct class *class,
mutex_lock(&zram_index_mutex);
zram = idr_find(&zram_index_idr, dev_id);
if (zram)
if (zram) {
ret = zram_remove(zram);
else
idr_remove(&zram_index_idr, dev_id);
} else {
ret = -ENODEV;
}
mutex_unlock(&zram_index_mutex);
return ret ? ret : count;

23
drivers/crypto/atmel-sha.c
View file

@ -783,7 +783,7 @@ static void atmel_sha_finish_req(struct ahash_request *req, int err)
dd->flags &= ~(SHA_FLAGS_BUSY | SHA_FLAGS_FINAL | SHA_FLAGS_CPU |
SHA_FLAGS_DMA_READY | SHA_FLAGS_OUTPUT_READY);
clk_disable_unprepare(dd->iclk);
clk_disable(dd->iclk);
if (req->base.complete)
req->base.complete(&req->base, err);
@ -796,7 +796,7 @@ static int atmel_sha_hw_init(struct atmel_sha_dev *dd)
{
int err;
err = clk_prepare_enable(dd->iclk);
err = clk_enable(dd->iclk);
if (err)
return err;
@ -823,7 +823,7 @@ static void atmel_sha_hw_version_init(struct atmel_sha_dev *dd)
dev_info(dd->dev,
"version: 0x%x\n", dd->hw_version);
clk_disable_unprepare(dd->iclk);
clk_disable(dd->iclk);
}
static int atmel_sha_handle_queue(struct atmel_sha_dev *dd,
@ -1411,6 +1411,10 @@ static int atmel_sha_probe(struct platform_device *pdev)
goto res_err;
}
err = clk_prepare(sha_dd->iclk);
if (err)
goto res_err;
atmel_sha_hw_version_init(sha_dd);
atmel_sha_get_cap(sha_dd);
@ -1422,12 +1426,12 @@ static int atmel_sha_probe(struct platform_device *pdev)
if (IS_ERR(pdata)) {
dev_err(&pdev->dev, "platform data not available\n");
err = PTR_ERR(pdata);
goto res_err;
goto iclk_unprepare;
}
}
if (!pdata->dma_slave) {
err = -ENXIO;
goto res_err;
goto iclk_unprepare;
}
err = atmel_sha_dma_init(sha_dd, pdata);
if (err)
@ -1458,6 +1462,8 @@ err_algs:
if (sha_dd->caps.has_dma)
atmel_sha_dma_cleanup(sha_dd);
err_sha_dma:
iclk_unprepare:
clk_unprepare(sha_dd->iclk);
res_err:
tasklet_kill(&sha_dd->done_task);
sha_dd_err:
@ -1484,12 +1490,7 @@ static int atmel_sha_remove(struct platform_device *pdev)
if (sha_dd->caps.has_dma)
atmel_sha_dma_cleanup(sha_dd);
iounmap(sha_dd->io_base);
clk_put(sha_dd->iclk);
if (sha_dd->irq >= 0)
free_irq(sha_dd->irq, sha_dd);
clk_unprepare(sha_dd->iclk);
return 0;
}

4
drivers/crypto/caam/ctrl.c
View file

@ -534,8 +534,8 @@ static int caam_probe(struct platform_device *pdev)
* long pointers in master configuration register
*/
clrsetbits_32(&ctrl->mcr, MCFGR_AWCACHE_MASK, MCFGR_AWCACHE_CACH |
MCFGR_WDENABLE | (sizeof(dma_addr_t) == sizeof(u64) ?
MCFGR_LONG_PTR : 0));
MCFGR_AWCACHE_BUFF | MCFGR_WDENABLE |
(sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0));
/*
* Read the Compile Time paramters and SCFGR to determine

2
drivers/crypto/marvell/cesa.c
View file

@ -306,7 +306,7 @@ static int mv_cesa_dev_dma_init(struct mv_cesa_dev *cesa)
return -ENOMEM;
dma->padding_pool = dmam_pool_create("cesa_padding", dev, 72, 1, 0);
if (!dma->cache_pool)
if (!dma->padding_pool)
return -ENOMEM;
cesa->dma = dma;

2
drivers/crypto/sunxi-ss/sun4i-ss-core.c
View file

@ -39,6 +39,7 @@ static struct sun4i_ss_alg_template ss_algs[] = {
.import = sun4i_hash_import_md5,
.halg = {
.digestsize = MD5_DIGEST_SIZE,
.statesize = sizeof(struct md5_state),
.base = {
.cra_name = "md5",
.cra_driver_name = "md5-sun4i-ss",
@ -66,6 +67,7 @@ static struct sun4i_ss_alg_template ss_algs[] = {
.import = sun4i_hash_import_sha1,
.halg = {
.digestsize = SHA1_DIGEST_SIZE,
.statesize = sizeof(struct sha1_state),
.base = {
.cra_name = "sha1",
.cra_driver_name = "sha1-sun4i-ss",

15
drivers/hid/hid-multitouch.c
View file

@ -357,8 +357,19 @@ static void mt_feature_mapping(struct hid_device *hdev,
break;
}
td->inputmode = field->report->id;
td->inputmode_index = usage->usage_index;
if (td->inputmode < 0) {
td->inputmode = field->report->id;
td->inputmode_index = usage->usage_index;
} else {
/*
* Some elan panels wrongly declare 2 input mode
* features, and silently ignore when we set the
* value in the second field. Skip the second feature
* and hope for the best.
*/
dev_info(&hdev->dev,
"Ignoring the extra HID_DG_INPUTMODE\n");
}
break;
case HID_DG_CONTACTMAX:

4
drivers/hid/usbhid/hid-core.c
View file

@ -477,8 +477,6 @@ static void hid_ctrl(struct urb *urb)
struct usbhid_device *usbhid = hid->driver_data;
int unplug = 0, status = urb->status;
spin_lock(&usbhid->lock);
switch (status) {
case 0: /* success */
if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
@ -498,6 +496,8 @@ static void hid_ctrl(struct urb *urb)
hid_warn(urb->dev, "ctrl urb status %d received\n", status);
}
spin_lock(&usbhid->lock);
if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
} else {

4
drivers/hwspinlock/hwspinlock_core.c
View file

@ -313,6 +313,10 @@ int of_hwspin_lock_get_id(struct device_node *np, int index)
hwlock = radix_tree_deref_slot(slot);
if (unlikely(!hwlock))
continue;
if (radix_tree_is_indirect_ptr(hwlock)) {
slot = radix_tree_iter_retry(&iter);
continue;
}
if (hwlock->bank->dev->of_node == args.np) {
ret = 0;

1
drivers/iio/accel/Kconfig
View file

@ -173,6 +173,7 @@ config STK8312
config STK8BA50
tristate "Sensortek STK8BA50 3-Axis Accelerometer Driver"
depends on I2C
depends on IIO_TRIGGER
help
Say yes here to get support for the Sensortek STK8BA50 3-axis
accelerometer.

1
drivers/iio/adc/Kconfig
View file

@ -372,6 +372,7 @@ config TWL6030_GPADC
config VF610_ADC
tristate "Freescale vf610 ADC driver"
depends on OF
depends on HAS_IOMEM
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help

2
drivers/iio/adc/ti_am335x_adc.c
View file

@ -289,7 +289,7 @@ static int tiadc_iio_buffered_hardware_setup(struct iio_dev *indio_dev,
goto error_kfifo_free;
indio_dev->setup_ops = setup_ops;
indio_dev->modes |= INDIO_BUFFER_HARDWARE;
indio_dev->modes |= INDIO_BUFFER_SOFTWARE;
return 0;

1
drivers/iio/dac/mcp4725.c
View file

@ -300,6 +300,7 @@ static int mcp4725_probe(struct i2c_client *client,
data->client = client;
indio_dev->dev.parent = &client->dev;
indio_dev->name = id->name;
indio_dev->info = &mcp4725_info;
indio_dev->channels = &mcp4725_channel;
indio_dev->num_channels = 1;

2
drivers/iio/imu/adis_buffer.c
View file

@ -43,7 +43,7 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
rx = adis->buffer;
tx = rx + indio_dev->scan_bytes;
tx = rx + scan_count;
spi_message_init(&adis->msg);

2
drivers/iio/inkern.c
View file

@ -351,6 +351,8 @@ EXPORT_SYMBOL_GPL(iio_channel_get);
void iio_channel_release(struct iio_channel *channel)
{
if (!channel)
return;
iio_device_put(channel->indio_dev);
kfree(channel);
}

6
drivers/iio/light/acpi-als.c
View file

@ -54,7 +54,9 @@ static const struct iio_chan_spec acpi_als_channels[] = {
.realbits = 32,
.storagebits = 32,
},
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
/* _RAW is here for backward ABI compatibility */
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_PROCESSED),
},
};
@ -152,7 +154,7 @@ static int acpi_als_read_raw(struct iio_dev *indio_dev,
s32 temp_val;
int ret;
if (mask != IIO_CHAN_INFO_RAW)
if ((mask != IIO_CHAN_INFO_PROCESSED) && (mask != IIO_CHAN_INFO_RAW))
return -EINVAL;
/* we support only illumination (_ALI) so far. */

2
drivers/iio/light/ltr501.c
View file

@ -180,7 +180,7 @@ static const struct ltr501_samp_table ltr501_ps_samp_table[] = {
{500000, 2000000}
};
static unsigned int ltr501_match_samp_freq(const struct ltr501_samp_table *tab,
static int ltr501_match_samp_freq(const struct ltr501_samp_table *tab,
int len, int val, int val2)
{
int i, freq;

2
drivers/iio/pressure/mpl115.c
View file

@ -117,7 +117,7 @@ static int mpl115_read_raw(struct iio_dev *indio_dev,
*val = ret >> 6;
return IIO_VAL_INT;
case IIO_CHAN_INFO_OFFSET:
*val = 605;
*val = -605;
*val2 = 750000;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_SCALE:

2
drivers/infiniband/hw/mlx5/cq.c
View file

@ -756,7 +756,7 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
int uninitialized_var(index);
int uninitialized_var(inlen);
int cqe_size;
int irqn;
unsigned int irqn;
int eqn;
int err;

2
drivers/input/mouse/elantech.c
View file

@ -1222,7 +1222,7 @@ static int elantech_set_input_params(struct psmouse *psmouse)
input_set_abs_params(dev, ABS_TOOL_WIDTH, ETP_WMIN_V2,
ETP_WMAX_V2, 0, 0);
}
input_mt_init_slots(dev, 2, 0);
input_mt_init_slots(dev, 2, INPUT_MT_SEMI_MT);
input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0);
input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0);
break;

13
drivers/input/mouse/vmmouse.c
View file

@ -458,8 +458,6 @@ int vmmouse_init(struct psmouse *psmouse)
priv->abs_dev = abs_dev;
psmouse->private = priv;
input_set_capability(rel_dev, EV_REL, REL_WHEEL);
/* Set up and register absolute device */
snprintf(priv->phys, sizeof(priv->phys), "%s/input1",
psmouse->ps2dev.serio->phys);
@ -475,10 +473,6 @@ int vmmouse_init(struct psmouse *psmouse)
abs_dev->id.version = psmouse->model;
abs_dev->dev.parent = &psmouse->ps2dev.serio->dev;
error = input_register_device(priv->abs_dev);
if (error)
goto init_fail;
/* Set absolute device capabilities */
input_set_capability(abs_dev, EV_KEY, BTN_LEFT);
input_set_capability(abs_dev, EV_KEY, BTN_RIGHT);
@ -488,6 +482,13 @@ int vmmouse_init(struct psmouse *psmouse)
input_set_abs_params(abs_dev, ABS_X, 0, VMMOUSE_MAX_X, 0, 0);
input_set_abs_params(abs_dev, ABS_Y, 0, VMMOUSE_MAX_Y, 0, 0);
error = input_register_device(priv->abs_dev);
if (error)
goto init_fail;
/* Add wheel capability to the relative device */
input_set_capability(rel_dev, EV_REL, REL_WHEEL);
psmouse->protocol_handler = vmmouse_process_byte;
psmouse->disconnect = vmmouse_disconnect;
psmouse->reconnect = vmmouse_reconnect;

7
drivers/input/serio/i8042-x86ia64io.h
View file

@ -257,6 +257,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
},
},
{
/* Fujitsu Lifebook U745 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
},
},
{
/* Fujitsu T70H */
.matches = {

2
drivers/iommu/amd_iommu.c
View file

@ -1905,7 +1905,7 @@ static void do_attach(struct iommu_dev_data *dev_data,
/* Update device table */
set_dte_entry(dev_data->devid, domain, ats);
if (alias != dev_data->devid)
set_dte_entry(dev_data->devid, domain, ats);
set_dte_entry(alias, domain, ats);
device_flush_dte(dev_data);
}

2
drivers/iommu/dmar.c
View file

@ -1347,7 +1347,7 @@ void dmar_disable_qi(struct intel_iommu *iommu)
raw_spin_lock_irqsave(&iommu->register_lock, flags);
sts = dmar_readq(iommu->reg + DMAR_GSTS_REG);
sts = readl(iommu->reg + DMAR_GSTS_REG);
if (!(sts & DMA_GSTS_QIES))
goto end;

2
drivers/iommu/intel-iommu.c
View file

@ -1489,7 +1489,7 @@ static void iommu_disable_dev_iotlb(struct device_domain_info *info)
{
struct pci_dev *pdev;
if (dev_is_pci(info->dev))
if (!dev_is_pci(info->dev))
return;
pdev = to_pci_dev(info->dev);

37
drivers/iommu/intel-svm.c
View file

@ -249,12 +249,30 @@ static void intel_flush_pasid_dev(struct intel_svm *svm, struct intel_svm_dev *s
static void intel_mm_release(struct mmu_notifier *mn, struct mm_struct *mm)
{
struct intel_svm *svm = container_of(mn, struct intel_svm, notifier);
struct intel_svm_dev *sdev;
/* This might end up being called from exit_mmap(), *before* the page
* tables are cleared. And __mmu_notifier_release() will delete us from
* the list of notifiers so that our invalidate_range() callback doesn't
* get called when the page tables are cleared. So we need to protect
* against hardware accessing those page tables.
*
* We do it by clearing the entry in the PASID table and then flushing
* the IOTLB and the PASID table caches. This might upset hardware;
* perhaps we'll want to point the PASID to a dummy PGD (like the zero
* page) so that we end up taking a fault that the hardware really
* *has* to handle gracefully without affecting other processes.
*/
svm->iommu->pasid_table[svm->pasid].val = 0;
wmb();
rcu_read_lock();
list_for_each_entry_rcu(sdev, &svm->devs, list) {
intel_flush_pasid_dev(svm, sdev, svm->pasid);
intel_flush_svm_range_dev(svm, sdev, 0, -1, 0, !svm->mm);
}
rcu_read_unlock();
/* There's no need to do any flush because we can't get here if there
* are any devices left anyway. */
WARN_ON(!list_empty(&svm->devs));
}
static const struct mmu_notifier_ops intel_mmuops = {
@ -379,7 +397,6 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_
goto out;
}
iommu->pasid_table[svm->pasid].val = (u64)__pa(mm->pgd) | 1;
mm = NULL;
} else
iommu->pasid_table[svm->pasid].val = (u64)__pa(init_mm.pgd) | 1 | (1ULL << 11);
wmb();
@ -442,11 +459,11 @@ int intel_svm_unbind_mm(struct device *dev, int pasid)
kfree_rcu(sdev, rcu);
if (list_empty(&svm->devs)) {
mmu_notifier_unregister(&svm->notifier, svm->mm);
idr_remove(&svm->iommu->pasid_idr, svm->pasid);
if (svm->mm)
mmput(svm->mm);
mmu_notifier_unregister(&svm->notifier, svm->mm);
/* We mandate that no page faults may be outstanding
* for the PASID when intel_svm_unbind_mm() is called.
* If that is not obeyed, subtle errors will happen.
@ -507,6 +524,10 @@ static irqreturn_t prq_event_thread(int irq, void *d)
struct intel_svm *svm = NULL;
int head, tail, handled = 0;
/* Clear PPR bit before reading head/tail registers, to
* ensure that we get a new interrupt if needed. */
writel(DMA_PRS_PPR, iommu->reg + DMAR_PRS_REG);
tail = dmar_readq(iommu->reg + DMAR_PQT_REG) & PRQ_RING_MASK;
head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK;
while (head != tail) {
@ -551,6 +572,9 @@ static irqreturn_t prq_event_thread(int irq, void *d)
* any faults on kernel addresses. */
if (!svm->mm)
goto bad_req;
/* If the mm is already defunct, don't handle faults. */
if (!atomic_inc_not_zero(&svm->mm->mm_users))
goto bad_req;
down_read(&svm->mm->mmap_sem);
vma = find_extend_vma(svm->mm, address);
if (!vma || address < vma->vm_start)
@ -567,6 +591,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
result = QI_RESP_SUCCESS;
invalid:
up_read(&svm->mm->mmap_sem);
mmput(svm->mm);
bad_req:
/* Accounting for major/minor faults? */
rcu_read_lock();

2
drivers/iommu/intel_irq_remapping.c
View file

@ -629,7 +629,7 @@ static void iommu_disable_irq_remapping(struct intel_iommu *iommu)
raw_spin_lock_irqsave(&iommu->register_lock, flags);
sts = dmar_readq(iommu->reg + DMAR_GSTS_REG);
sts = readl(iommu->reg + DMAR_GSTS_REG);
if (!(sts & DMA_GSTS_IRES))
goto end;

7
drivers/iommu/io-pgtable-arm.c
View file

@ -628,7 +628,12 @@ static void __arm_lpae_free_pgtable(struct arm_lpae_io_pgtable *data, int lvl,
table_size = 1UL << data->pg_shift;
start = ptep;
end = (void *)ptep + table_size;
/* Only leaf entries at the last level */
if (lvl == ARM_LPAE_MAX_LEVELS - 1)
end = ptep;
else
end = (void *)ptep + table_size;
/* Only leaf entries at the last level */
if (lvl == ARM_LPAE_MAX_LEVELS - 1)

28
drivers/md/md.c
View file

@ -2017,28 +2017,32 @@ int md_integrity_register(struct mddev *mddev)
}
EXPORT_SYMBOL(md_integrity_register);
/* Disable data integrity if non-capable/non-matching disk is being added */
void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev)
/*
* Attempt to add an rdev, but only if it is consistent with the current
* integrity profile
*/
int md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev)
{
struct blk_integrity *bi_rdev;
struct blk_integrity *bi_mddev;
char name[BDEVNAME_SIZE];
if (!mddev->gendisk)
return;
return 0;
bi_rdev = bdev_get_integrity(rdev->bdev);
bi_mddev = blk_get_integrity(mddev->gendisk);
if (!bi_mddev) /* nothing to do */
return;
if (rdev->raid_disk < 0) /* skip spares */
return;
if (bi_rdev && blk_integrity_compare(mddev->gendisk,
rdev->bdev->bd_disk) >= 0)
return;
WARN_ON_ONCE(!mddev->suspended);
printk(KERN_NOTICE "disabling data integrity on %s\n", mdname(mddev));
blk_integrity_unregister(mddev->gendisk);
return 0;
if (blk_integrity_compare(mddev->gendisk, rdev->bdev->bd_disk) != 0) {
printk(KERN_NOTICE "%s: incompatible integrity profile for %s\n",
mdname(mddev), bdevname(rdev->bdev, name));
return -ENXIO;
}
return 0;
}
EXPORT_SYMBOL(md_integrity_add_rdev);

2
drivers/md/md.h
View file

@ -657,7 +657,7 @@ extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors);
extern int md_check_no_bitmap(struct mddev *mddev);
extern int md_integrity_register(struct mddev *mddev);
extern void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
extern int md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
extern void mddev_init(struct mddev *mddev);

6
drivers/md/multipath.c
View file

@ -257,6 +257,9 @@ static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev)
disk_stack_limits(mddev->gendisk, rdev->bdev,
rdev->data_offset << 9);
err = md_integrity_add_rdev(rdev, mddev);
if (err)
break;
spin_lock_irq(&conf->device_lock);
mddev->degraded--;
rdev->raid_disk = path;
@ -264,9 +267,6 @@ static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev)
spin_unlock_irq(&conf->device_lock);
rcu_assign_pointer(p->rdev, rdev);
err = 0;
mddev_suspend(mddev);
md_integrity_add_rdev(rdev, mddev);
mddev_resume(mddev);
break;
}

6
drivers/md/raid1.c
View file

@ -1589,6 +1589,9 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
if (mddev->recovery_disabled == conf->recovery_disabled)
return -EBUSY;
if (md_integrity_add_rdev(rdev, mddev))
return -ENXIO;
if (rdev->raid_disk >= 0)
first = last = rdev->raid_disk;
@ -1632,9 +1635,6 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
break;
}
}
mddev_suspend(mddev);
md_integrity_add_rdev(rdev, mddev);
mddev_resume(mddev);
if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev)))
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
print_conf(conf);

6
drivers/md/raid10.c
View file

@ -1698,6 +1698,9 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
if (rdev->saved_raid_disk < 0 && !_enough(conf, 1, -1))
return -EINVAL;
if (md_integrity_add_rdev(rdev, mddev))
return -ENXIO;
if (rdev->raid_disk >= 0)
first = last = rdev->raid_disk;
@ -1739,9 +1742,6 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
rcu_assign_pointer(p->rdev, rdev);
break;
}
mddev_suspend(mddev);
md_integrity_add_rdev(rdev, mddev);
mddev_resume(mddev);
if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev)))
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);

1
drivers/media/i2c/ir-kbd-i2c.c
View file

@ -478,7 +478,6 @@ static const struct i2c_device_id ir_kbd_id[] = {
{ "ir_rx_z8f0811_hdpvr", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ir_kbd_id);
static struct i2c_driver ir_kbd_driver = {
.driver = {

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