Linus Torvalds [Wed, 3 May 2017 19:45:55 +0000 (12:45 -0700)]
Merge tag 'for-linus' of git://git./linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
"More exchaustive description of primary updates in this release:
- Lots of driver fixes and misc fixes across the board.
- I had to base on a net-next tree because the IPoIB Accelorator
patches needed it.
Unfortunately, it was known to Mellanox that there would need to be
an IPoIB accelorator patch to the net tree (which left some
functions turned off by an #ifdef construct to avoid warnings about
defined but unused functions), then one to the RDMA tree, then a
fixup that went back and re-enabled the functions in the net tree
and enabled their use in the rdma tree
Also, a sparse fix was sent to the net tree after I did my pull,
and the fixup patch conflicts quite directly with that sparse fix,
so I'm going to submit the fixup patch towards the end of the merge
window by itself and based upon your master branch at the time.
- Two separate rounds of hfi1 fixes, one that got dropped from last
release because it came in just a day or two before the end of the
merge window and then the one from this release cycle.
Of note is that I now have a third series that just landed from
Intel yesterday. It is not included in this pull request, but I may
submit it by the end of the week. I'll talk to Intel about
improving the timing of thier submissions for my workflow.
- Changes to our idr usage in the RDMA subsystem that will tie into
our cgroup management and also into the upcoming changes for the
RDMA kernel<->userspace API.
- Addition of support for a netdev to be tied to an RDMA device at
the core level
- Addition of the VNIC driver from Intel.
While IPoIB provides IP over InfiniBand (and *only* IP, no lower
layer protocol headers are allowed or supported), the VNIC driver
presents a virtual Ethernet device with support for things like
varying Ethertypes, VLANs, priorities and other features of
Ethernet.
The virtual devices are centrally managed by the OPA fabric
manager, making this (for the time being) a strictly OPA specific
feature.
- Improvements to the On-Demand Paging support in the RDMA subsystem.
- Addition of three significant OPA changes.
While we added OPA support some time ago (via the hfi1 driver), the
RDMA subsystem has so far glossed over the areas where OPA and
InfiniBand differ.
With this release we are starting to add support for the OPA
extensions into the RDMA core in the following area: Extended port
information for OPA is now supported, extended Address Handle
attributes for OPA are now supported, and extended SA Queries to
get OPA specific subnet information is now supported.
Concise summary from the tag:
- idr usage and locking changes
- build fix for hns
- ipoib debug path record file fix
- hfi1 updates
- core RDMA netdev addition
- Intel VNIC driver addition
- Enhanced accelerators for IPoIB addition
- Debug cleanups in cxgb3/4
- Trivial cleanups from SF Markus Elfring
- Misc rxe fixes from Mellanox
- Misc ipoib fixes from Mellanox
- Lots of mlx4/mlx5 changes from Mellanox
- Misc fixes across the RDMA subsystem
- ODP paging fixes and improvements
- qedr updates
- hfi1 updates
- OPA port info patches
- OPA AH patches
- OPA SA Query patches"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (191 commits)
infiniband: avoid dereferencing uninitialized dst on error path
IB/SA: Add OPA addr header
IB/mlx5: Add port_xmit_wait to counter registers read
IB/ocrdma: fix out of bounds access to local buffer
IB/mlx4: Fix incorrect order of formal and actual parameters
IB/mlx4: Change flush logic so it adheres to the variable name
mlx5: Fix mlx5_ib_map_mr_sg mr length
IB/rxe: Don't clamp residual length to mtu
IB/SA: Add support to query OPA path records
IB/SA: Add OPA path record type
IB/SA: Split struct sa_path_rec based on IB and ROCE specific fields
IB/SA: Introduce path record specific types
IB/SA: Rename ib_sa_path_rec to sa_path_rec
IB/CM: Add braces when using sizeof
IB/core: Define 'opa' rdma_ah_attr type
IB/core: Define 'ib' and 'roce' rdma_ah_attr types
IB/core: Use rdma_ah_attr accessor functions
IB/core: Add accessor functions for rdma_ah_attr fields
IB/PVRDMA: Rename ib_ah_attr related functions
IB/mthca: Rename to_ib_ah_attr to to_rdma_ah_attr
...
Linus Torvalds [Wed, 3 May 2017 19:38:20 +0000 (12:38 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
- a big update from Mauro converting input documentation to ReST format
- Synaptics PS/2 is now aware of SMBus companion devices, which means
that we can now use native RMI4 protocol to handle touchpads, instead
of relying on legacy PS/2 mode.
- we removed support from BMA180 accelerometer from input devices as it
is now handled properly by IIO
- update to TSC2007 to corretcly report pressure
- other miscellaneous driver fixes.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (152 commits)
Input: ar1021_i2c - use BIT to check for a bit
Input: twl4030-pwrbutton - use input_set_capability() helper
Input: twl4030-pwrbutton - use correct device for irq request
Input: ar1021_i2c - enable touch mode during open
Input: add uinput documentation
dt-bindings: input: add bindings document for ar1021_i2c driver
dt-bindings: input: rotary-encoder: fix typo
Input: xen-kbdfront - add module parameter for setting resolution
ARM: pxa/raumfeld: fix compile error in rotary controller resources
Input: xpad - do not suggest writing to Dominic
Input: xpad - don't use literal blocks inside footnotes
Input: xpad - note that usb/devices is now at /sys/kernel/debug/
Input: docs - freshen up introduction
Input: docs - split input docs into kernel- and user-facing
Input: docs - note that MT-A protocol is obsolete
Input: docs - update joystick documentation a bit
Input: docs - remove disclaimer/GPL notice
Input: fix "Game console" heading level in joystick documentation
Input: rotary-encoder - remove references to platform data from docs
Input: move documentation for Amiga CD32
...
Linus Torvalds [Wed, 3 May 2017 19:31:39 +0000 (12:31 -0700)]
Merge tag 'spi-v4.12' of git://git./linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"There's quite a lot of small driver specific fixes and enhancements in
this release but the main activity has been around the loopback and
spidev test drivers which is good to see as it should hopefully help
improve the quality of all the drivers as people start to make use of
the new code:
- Additional tests in the loopback test driver for vmalloc()
compatibility and around delays together with fixes for existing
tests.
- Support for testing continuous data transfer for use in soak
testing.
- Device property support for board info platforms.
- Support for registering empty sets of devices via board info
(useful when writing code to enumerate hardware automatically)"
* tag 'spi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (52 commits)
spi: cadence: Allow for GPIO pins to be used as chipselects
spi-imx: Implements handling of the SPI_READY mode flag.
spi: tegra: fix spelling mistake: "trasfer" -> "transfer"
spi: spi-ti-qspi: Use bounce buffer if read buffer is not DMA'ble
spi: Add can_dma like interface for spi_flash_read
spi: dw: Disable clock after unregistering the host
spi: double time out tolerance
spi: atmel: add deepest PM support to SAMA5D2
spi: atmel: factorize reusable code for SPI controller init
spi: orion: add LSB support
spi: pl022: don't use uninitialized variable
spi: loopback-test: fix spelling mistake: "minimam" -> "minimum"
spi: dynamycally allocated message initialization
spi: spi-ti-qspi: Remove unused dma_dev variable
spi: omap2-mcspi: poll OMAP2_MCSPI_CHSTAT_RXS for PIO transfer
spi: spi-ti-qspi: Use dma_engine wrapper for dma memcpy call
spi: spidev_test: add option to continuously transfer data
spi: loopback-test: fix potential integer overflow on multiple
spi: sun6i: update max transfer size reported
spi: pl022: Document property values
...
Linus Torvalds [Wed, 3 May 2017 19:27:53 +0000 (12:27 -0700)]
Merge tag 'regulator-v4.12' of git://git./linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Quite a lot going on with the regulator API for this release, much
more in the core than in the drivers for a change:
- Fixes for voltage change propagation through dumb power switches.
- A notification when regulators are enabled.
- A new settling time property for regulators where the time taken to
move to a new voltage is not related to the size of the change.
- Some reorganization of the Arizona drivers in preparation for
sharing the code with the next generation devices they've been
integrated with.
- Support for newer Freescale chips in the Anatop regulator.
- A new driver for voltage controlled regulators to cope with some
exciting ChromeOS hardware designs.
- Support for Rohm BD9571MWV-M and TI TPS65132"
* tag 'regulator-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (51 commits)
regulator: Add ROHM BD9571MWV-M PMIC regulator driver
regulator: arizona-ldo1: Factor out generic initialization
regulator: arizona-ldo1: Make arizona_ldo1 independent of struct arizona
regulator: arizona-ldo1: Move pdata into a separate structure
regulator: arizona-micsupp: Factor out generic initialization
regulator: arizona-micsupp: Make arizona_micsupp independent of struct arizona
regulator: arizona-micsupp: Move pdata into a separate structure
regulator: arizona: Split KConfig options for LDO1 and MICSUPP regulators
regulator: anatop: make regulator name property required
regulator: tps65023: Fix inverted core enable logic.
regulator: anatop: make sure regulator name is properly defined
regulator: core: Allow dummy regulators for supplies
regulator: core: Only propagate voltage changes to if it can change voltages
regulator: vctrl: Fix out of bounds array access for vctrl->vtable
regulator: tps65132: fix platform_no_drv_owner.cocci warnings
regulator: tps65132: Fix off-by-one for .max_register setting
regulator: anatop: set default voltage selector for pcie
regulator: tps65132: add device-tree binding
regulator: tps65132: add regulator driver for TI TPS65132
regulator: anatop: remove unneeded name field of struct anatop_regulator
...
Linus Torvalds [Wed, 3 May 2017 19:18:47 +0000 (12:18 -0700)]
Merge branch 'i2c/for-4.12' of git://git./linux/kernel/git/wsa/linux
Pull i2c updates from Wilfram Sang:
"I2C has the following updates for you:
- an immutable cross-subsystem branch fixing PMIC access on Intel
Baytrail
- bigger driver updates to the designware, meson, exynos5 drivers
- new i2c_acpi_new_device() function to create devices from ACPI
- struct i2c_driver has now a flag 'disable_i2c_core_irq_mapping' to
allow custom IRQ mapping in case the default does not fit
- mux subsystem centralized error messages in its core
- new driver for ltc4306 i2c mux
- usual set of small updates"
* 'i2c/for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (44 commits)
i2c: thunderx: Enable HWMON class probing
i2c: rcar: clarify PM handling with more comments
i2c: rcar: fix resume by always initializing registers before transfer
i2c: tegra: fix spelling mistake: "contoller" -> "controller"
i2c: exynos5: use core helper to get driver data
i2c: exynos5: de-duplicate error logs on clock setup
i2c: exynos5: simplify clock frequency handling
i2c: exynos5: simplify timings calculation
i2c: designware-baytrail: fix potential null pointer dereference on dev
i2c: designware: Get selected speed mode sda-hold-time via ACPI
[media] cx231xx: stop double error reporting
i2c: core: Allow drivers to disable i2c-core irq mapping
i2c: core: Add new i2c_acpi_new_device helper function
i2c: core: Allow getting ACPI info by index
i2c: img-scb: use setup_timer
i2c: i2c-scmi: add a MS HID
i2c: mux: ltc4306: LTC4306 and LTC4305 I2C multiplexer/switch
dt-bindings: i2c: mux: ltc4306: Add dt-bindings for I2C multiplexer/switch
i2c: mux: reg: stop double error reporting
i2c: mux: pinctrl: stop double error reporting
...
Linus Torvalds [Wed, 3 May 2017 19:16:25 +0000 (12:16 -0700)]
Merge tag 'mfd-next-4.12' of git://git./linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Freescale MXS Low Resolution ADC
- Freescale i.MX23/i.MX28 LRADC touchscreen
- Motorola CPCAP Power Button
- TI LMU (Lighting Management Unit)
- Atmel SMC (Static Memory Controller)
New Device Support:
- Add support for X-Powers AXP803 to axp20x
- Add support for Dialog Semi DA9061 to da9062-core
- Add support for Intel Cougar Mountain to lpc_ich
- Add support for Intel Gemini Lake to lpc_ich
New Functionality:
- Add Device Tree support; wm831x-*, axp20x, ti-lmu, da9062, sun4i-gpadc
- Add IRQ sense support; motorola-cpcap
- Add ACPI support; cros_ec
- Add Reset support; altera-a10sr
- Add ADC support; axp20x
- Add AC Power support; axp20x
- Add Runtime PM support; atmel-ebi, exynos-lpass
- Add Battery Power Supply support; axp20x
- Add Clock support; exynos-lpass, hi655x-pmic
Fix-ups:
- Implicitly specify required headers; motorola-cpcap, intel_soc_pmic_bxtwc
- Add .remove() method; stm32-timers, exynos-lpass
- Remove unused code; intel_soc_pmic_core, intel-lpss-acpi, ipaq-micro, atmel-smc, menelaus
- Rename variables for clarity; axp20x
- Convert pr_warning() to pr_warn(); db8500-prcmu, sta2x11-mfd, twl4030-power
- Improve formatting; arizona-core, axp20x
- Use raw_spinlock_*() variants; asic3, t7l66xb, tc6393xb
- Simplify/refactor code; arizona-core, atmel-ebi
- Improve error checking; intel_soc_pmic_core
Bug Fixes:
- Ensure OMAP3630/3730 boards can successfully reboot; twl4030-power
- Correct max-register value; stm32-timers
- Extend timeout to account for clock stretching; cros_ec_spi
- Use correct IRQ trigger type; motorola-cpcap
- Fix bad use of IRQ sense register; motorola-cpcap
- Logic error "||" should be "&&"; mxs-lradc-ts"
* tag 'mfd-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (79 commits)
input: touchscreen: mxs-lradc: || vs && typos
dt-bindings: Add AXP803's regulator info
mfd: axp20x: Support AXP803 variant
dt-bindings: Add device tree binding for X-Powers AXP803 PMIC
dt-bindings: Make AXP20X compatible strings one per line
mfd: intel_soc_pmic_core: Fix unchecked return value
mfd: menelaus: Remove obsolete local_irq_disable() and local_irq_enable()
mfd: omap-usb-tll: Configure ULPIAUTOIDLE
mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode
mfd: palmas: Fixed spelling mistake in error message
mfd: lpc_ich: Add support for Intel Gemini Lake SoC
mfd: hi655x: Add the clock cell to provide WiFi and Bluetooth
mfd: intel_soc_pmic: Fix a mess with compilation units
mfd: exynos-lpass: Add runtime PM support
mfd: exynos-lpass: Add missing remove() function
mfd: exynos-lpass: Add support for clocks
mfd: exynos-lpass: Remove pad retention control
iio: adc: add support for X-Powers AXP20X and AXP22X PMICs ADCs
mfd: cpcap: Fix bad use of IRQ sense register
mfd: cpcap: Use ack_invert interrupts
...
Linus Torvalds [Wed, 3 May 2017 19:11:44 +0000 (12:11 -0700)]
Merge tag 'backlight-next-4.12' of git://git./linux/kernel/git/lee/backlight
Pull backlight update from Lee Jones:
"New Arctic Sand ARC2C0608 LED Backlight driver"
* tag 'backlight-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: Add support for Arctic Sand LED backlight driver chips
dt-bindings: backlight: arcxcnn: Supply bindings for Arctic Sand backlight
Linus Torvalds [Wed, 3 May 2017 18:58:59 +0000 (11:58 -0700)]
Merge tag 'sound-4.12-rc1' of git://git./linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was a relatively calm development cycle, and no scaring changes are
seen in both core and driver sides. Here are some highlights:
ASoC:
- A new API for hooking up jacks more generically and easily
- Card longname is set based on DMI for a unique UCM profile
- Lots of Intel driver fixes: Atom, Broxton, Skylake and newer chips
- New drivers for Cirrus CS35L35, DIO DIO2125, Everest ES7132,
HiSilicon hi6210, Maxim MAX98927, MT2701 systems with WM8960,
Nuvoton NAU8824, Odroid systems, ST STM32 SAI controllers and x86
systems with DA7213
HD-audio:
- Many new quirks to support headset for various devices (mostly ASUS
ones) as usual
- Support for dual codecs on some Gigabyte mobos and Lenovo laptop
- Improvement on PCM position reporting for Skylake and newer
FireWire:
- New drivers for MOTU and RME Fireface series
- Updates for Digidesign Digi00x and TASCAM series
- Support for tracepoints
Others:
- USB-audio: improved support for quirk_alias option
- Cleanups, constification allover the places"
* tag 'sound-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (299 commits)
ASoC: codec: wm8960: Relax bit clock computation when using PLL
ASoC: codec: wm9860: avoid maybe-uninitialized warning
ASoC: nau8824: leave Class D gain at chip default
ASoC: nau8824: rename controls to match DAPM controls
ASoC: Intel: Skylake: Return negative error code
ASoC: Intel: Skylake: Fix unused variable warning
ASoC: Intel: Skylake: fix uninitialized pointer use
ASoC: sti: Fix error handling if of_clk_get() fails
ASoC: cs4271: configure reset GPIO as output
ASoC: dwc: Disallow building designware_pcm as a module
ALSA: ali5451: fix spelling mistake in "ali_capture_preapre"
ASoC: stm32: add SAI driver
ASoC: stm32: add bindings for SAI
ASoC: Intel: Skylake: Add loadable module support on KBL platform
ASoC: Intel: Skylake: Modify load_lib_ipc arguments for a nowait version
ASoC: Intel: Skylake: Register dsp_fw_ops for kabylake
ASoC: Intel: Skylake: Modify arguments to reuse module transfer function
ASoC: Intel: Skylake: Commonize library load
ASoC: Intel: Skylake: Move sst common initialization to a helper function
ASoC: nau8824: new driver
...
Linus Torvalds [Wed, 3 May 2017 18:44:24 +0000 (11:44 -0700)]
Merge tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux
Pull drm u pdates from Dave Airlie:
"This is the main drm pull request for v4.12. Apart from two fixes
pulls, everything should have been in drm-next for at least 2 weeks.
The biggest thing in here is AMD released the public headers for their
upcoming VEGA GPUs. These as always are quite a sizeable chunk of
header files. They've also added initial non-display support for those
GPUs, though they aren't available in production yet.
Otherwise it's pretty much normal.
New bridge drivers:
- megachips-stdpxxxx-ge-b850v3-fw LVDS->DP++
- generic LVDS bridge support.
Core:
- Displayport link train failure reporting to userspace
- debugfs interface cleaned up
- subsystem TODO in kerneldoc now
- Extended fbdev support (flipping and vblank wait)
- drm_platform removed
- EDP CRC support in helper
- HF-VSDB SCDC support in EDID parser
- Lots of code cleanups and header extraction
- Thunderbolt external GPU awareness
- Atomic helper improvements
- Documentation improvements
panel:
- Sitronix and Samsung new panel support
amdgpu:
- Preliminary vega10 support
- Multi-level page table support
- GPU sensor support for userspace
- PRT support for sparse buffers
- SR-IOV improvements
- Non-contig VRAM CPU mapping
i915:
- Atomic modesetting enabled by default on Gen5+
- LSPCON improvements
- Atomic state handling for cdclk
- GPU reset improvements
- In-kernel unit tests
- Geminilake improvements and color manager support
- Designware i2c fixes
- vblank evasion improvements
- Hotplug safe connector iterators
- GVT scheduler QoS support
- GVT Kabylake support
nouveau:
- Acceleration support for Pascal (GP10x).
- Rearchitecture of code handling proprietary signed firmware
- Fix GTX 970 with odd MMU configuration
- GP10B support
- GP107 acceleration support
vmwgfx:
- Atomic modesetting support for vmwgfx
omapdrm:
- Support for render nodes
- Refactor omapdss code
- Fix some probe ordering issues
- Fix too dark RGB565 rendering
sunxi:
- prelim rework for multiple pipes.
mali-dp:
- Color management support
- Plane scaling
- Power management improvements
imx-drm:
- Prefetch Resolve Engine/Gasket on i.MX6QP
- Deferred plane disabling
- Separate alpha support
mediatek:
- Mediatek SoC MT2701 support
rcar-du:
- Gen3 HDMI support
msm:
- 4k support for newer chips
- OPP bindings for gpu
- prep work for per-process pagetables
vc4:
- HDMI audio support
- fixes
qxl:
- minor fixes.
dw-hdmi:
- PHY improvements
- CSC fixes
- Amlogic GX SoC support"
* tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux: (1778 commits)
drm/nouveau/fb/gf100-: Fix 32 bit wraparound in new ram detection
drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr()
drm/nouveau/kms: Increase max retries in scanout position queries.
drm/nouveau/bios/bitP: check that table is long enough for optional pointers
drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine
drm: mali-dp: use div_u64 for expensive 64-bit divisions
drm/i915: Confirm the request is still active before adding it to the await
drm/i915: Avoid busy-spinning on VLV_GLTC_PW_STATUS mmio
drm/i915/selftests: Allocate inode/file dynamically
drm/i915: Fix system hang with EI UP masked on Haswell
drm/i915: checking for NULL instead of IS_ERR() in mock selftests
drm/i915: Perform link quality check unconditionally during long pulse
drm/i915: Fix use after free in lpe_audio_platdev_destroy()
drm/i915: Use the right mapping_gfp_mask for final shmem allocation
drm/i915: Make legacy cursor updates more unsynced
drm/i915: Apply a cond_resched() to the saturated signaler
drm/i915: Park the signaler before sleeping
drm: mali-dp: Check the mclk rate and allow up/down scaling
drm: mali-dp: Enable image enhancement when scaling
drm: mali-dp: Add plane upscaling support
...
Linus Torvalds [Wed, 3 May 2017 18:35:47 +0000 (11:35 -0700)]
Merge branch 'generic' of git://git./linux/kernel/git/jack/linux-fs
Pull quota, reiserfs, udf and ext2 updates from Jan Kara:
"The branch contains changes to quota code so that it does not modify
persistent flags in inode->i_flags (it was the only place in kernel
doing that) and handle it inside filesystem's quotaon/off handlers
instead.
The branch also contains two UDF cleanups, a couple of reiserfs fixes
and one fix for ext2 quota locking"
* 'generic' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext4: Improve comments in ext4_quota_{on|off}()
udf: use kmap_atomic for memcpy copying
udf: use octal for permissions
quota: Remove dquot_quotactl_ops
reiserfs: Remove i_attrs_to_sd_attrs()
reiserfs: Remove useless setting of i_flags
jfs: Remove jfs_get_inode_flags()
ext2: Remove ext2_get_inode_flags()
ext4: Remove ext4_get_inode_flags()
quota: Stop setting IMMUTABLE and NOATIME flags on quota files
jfs: Set flags on quota files directly
ext2: Set flags on quota files directly
reiserfs: Set flags on quota files directly
ext4: Set flags on quota files directly
reiserfs: Protect dquot_writeback_dquots() by s_umount semaphore
reiserfs: Make cancel_old_flush() reliable
ext2: Call dquot_writeback_dquots() with s_umount held
reiserfs: avoid a -Wmaybe-uninitialized warning
Linus Torvalds [Wed, 3 May 2017 18:05:15 +0000 (11:05 -0700)]
Merge branch 'fsnotify' of git://git./linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"The branch contains mainly a rework of fsnotify infrastructure fixing
a shortcoming that we have waited for response to fanotify permission
events with SRCU read lock held and when the process consuming events
was slow to respond the kernel has stalled.
It also contains several cleanups of unnecessary indirections in
fsnotify framework and a bugfix from Amir fixing leakage of kernel
internal errno to userspace"
* 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (37 commits)
fanotify: don't expose EOPENSTALE to userspace
fsnotify: remove a stray unlock
fsnotify: Move ->free_mark callback to fsnotify_ops
fsnotify: Add group pointer in fsnotify_init_mark()
fsnotify: Drop inode_mark.c
fsnotify: Remove fsnotify_find_{inode|vfsmount}_mark()
fsnotify: Remove fsnotify_detach_group_marks()
fsnotify: Rename fsnotify_clear_marks_by_group_flags()
fsnotify: Inline fsnotify_clear_{inode|vfsmount}_mark_group()
fsnotify: Remove fsnotify_recalc_{inode|vfsmount}_mask()
fsnotify: Remove fsnotify_set_mark_{,ignored_}mask_locked()
fanotify: Release SRCU lock when waiting for userspace response
fsnotify: Pass fsnotify_iter_info into handle_event handler
fsnotify: Provide framework for dropping SRCU lock in ->handle_event
fsnotify: Remove special handling of mark destruction on group shutdown
fsnotify: Detach mark from object list when last reference is dropped
fsnotify: Move queueing of mark for destruction into fsnotify_put_mark()
inotify: Do not drop mark reference under idr_lock
fsnotify: Free fsnotify_mark_connector when there is no mark attached
fsnotify: Lock object list with connector lock
...
Linus Torvalds [Wed, 3 May 2017 17:34:03 +0000 (10:34 -0700)]
Merge tag 'for-4.12/dm-post-merge-changes' of git://git./linux/kernel/git/device-mapper/linux-dm
Pull additional device mapper updates from Mike Snitzer:
"Here are some changes from Christoph that needed to be rebased ontop
of changes that were already merged into the device mapper tree. In
addition, these changes depend on the 'for-4.12/block' changes that
you've already merged.
- Cleanups to request-based DM and DM multipath from Christoph that
prepare for his block core error code type checking improvements"
* tag 'for-4.12/dm-post-merge-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: introduce a new DM_MAPIO_KILL return value
dm rq: change ->rq_end_io calling conventions
dm mpath: merge do_end_io into multipath_end_io
Linus Torvalds [Wed, 3 May 2017 17:31:20 +0000 (10:31 -0700)]
Merge tag 'for-4.12/dm-changes' of git://git./linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- A major update for DM cache that reduces the latency for deciding
whether blocks should migrate to/from the cache. The bio-prison-v2
interface supports this improvement by enabling direct dispatch of
work to workqueues rather than having to delay the actual work
dispatch to the DM cache core. So the dm-cache policies are much more
nimble by being able to drive IO as they see fit. One immediate
benefit from the improved latency is a cache that should be much more
adaptive to changing workloads.
- Add a new DM integrity target that emulates a block device that has
additional per-sector tags that can be used for storing integrity
information.
- Add a new authenticated encryption feature to the DM crypt target
that builds on the capabilities provided by the DM integrity target.
- Add MD interface for switching the raid4/5/6 journal mode and update
the DM raid target to use it to enable aid4/5/6 journal write-back
support.
- Switch the DM verity target over to using the asynchronous hash
crypto API (this helps work better with architectures that have
access to off-CPU algorithm providers, which should reduce CPU
utilization).
- Various request-based DM and DM multipath fixes and improvements from
Bart and Christoph.
- A DM thinp target fix for a bio structure leak that occurs for each
discard IFF discard passdown is enabled.
- A fix for a possible deadlock in DM bufio and a fix to re-check the
new buffer allocation watermark in the face of competing admin
changes to the 'max_cache_size_bytes' tunable.
- A couple DM core cleanups.
* tag 'for-4.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (50 commits)
dm bufio: check new buffer allocation watermark every 30 seconds
dm bufio: avoid a possible ABBA deadlock
dm mpath: make it easier to detect unintended I/O request flushes
dm mpath: cleanup QUEUE_IF_NO_PATH bit manipulation by introducing assign_bit()
dm mpath: micro-optimize the hot path relative to MPATHF_QUEUE_IF_NO_PATH
dm: introduce enum dm_queue_mode to cleanup related code
dm mpath: verify __pg_init_all_paths locking assumptions at runtime
dm: verify suspend_locking assumptions at runtime
dm block manager: remove an unused argument from dm_block_manager_create()
dm rq: check blk_mq_register_dev() return value in dm_mq_init_request_queue()
dm mpath: delay requeuing while path initialization is in progress
dm mpath: avoid that path removal can trigger an infinite loop
dm mpath: split and rename activate_path() to prepare for its expanded use
dm ioctl: prevent stack leak in dm ioctl call
dm integrity: use previously calculated log2 of sectors_per_block
dm integrity: use hex2bin instead of open-coded variant
dm crypt: replace custom implementation of hex2bin()
dm crypt: remove obsolete references to per-CPU state
dm verity: switch to using asynchronous hash crypto API
dm crypt: use WQ_HIGHPRI for the IO and crypt workqueues
...
Linus Torvalds [Wed, 3 May 2017 17:05:38 +0000 (10:05 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/shli/md
Pull MD updates from Shaohua Li:
- Add Partial Parity Log (ppl) feature found in Intel IMSM raid array
by Artur Paszkiewicz. This feature is another way to close RAID5
writehole. The Linux implementation is also available for normal
RAID5 array if specific superblock bit is set.
- A number of md-cluser fixes and enabling md-cluster array resize from
Guoqing Jiang
- A bunch of patches from Ming Lei and Neil Brown to rewrite MD bio
handling related code. Now MD doesn't directly access bio bvec,
bi_phys_segments and uses modern bio API for bio split.
- Improve RAID5 IO pattern to improve performance for hard disk based
RAID5/6 from me.
- Several patches from Song Liu to speed up raid5-cache recovery and
allow raid5 cache feature disabling in runtime.
- Fix a performance regression in raid1 resync from Xiao Ni.
- Other cleanup and fixes from various people.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: (84 commits)
md/raid10: skip spare disk as 'first' disk
md/raid1: Use a new variable to count flighting sync requests
md: clear WantReplacement once disk is removed
md/raid1/10: remove unused queue
md: handle read-only member devices better.
md/raid10: wait up frozen array in handle_write_completed
uapi: fix linux/raid/md_p.h userspace compilation error
md-cluster: Fix a memleak in an error handling path
md: support disabling of create-on-open semantics.
md: allow creation of mdNNN arrays via md_mod/parameters/new_array
raid5-ppl: use a single mempool for ppl_io_unit and header_page
md/raid0: fix up bio splitting.
md/linear: improve bio splitting.
md/raid5: make chunk_aligned_read() split bios more cleanly.
md/raid10: simplify handle_read_error()
md/raid10: simplify the splitting of requests.
md/raid1: factor out flush_bio_list()
md/raid1: simplify handle_read_error().
Revert "block: introduce bio_copy_data_partial"
md/raid1: simplify alloc_behind_master_bio()
...
Linus Torvalds [Wed, 3 May 2017 16:21:59 +0000 (09:21 -0700)]
Merge branch 'stable-4.12' of git://git.infradead.org/users/pcmoore/audit
Pull audit updates from Paul Moore:
"Fourteen audit patches for v4.12 that span the full range of fixes,
new features, and internal cleanups.
We have a patches to move to 64-bit timestamps, convert refcounts from
atomic_t to refcount_t, track PIDs using the pid struct instead of
pid_t, convert our own private audit buffer cache to a standard
kmem_cache, log kernel module names when they are unloaded, and
normalize the NETFILTER_PKT to make the userspace folks happier.
From a fixes perspective, the most important is likely the auditd
connection tracking RCU fix; it was a rather brain dead bug that I'll
take the blame for, but thankfully it didn't seem to affect many
people (only one report).
I think the patch subject lines and commit descriptions do a pretty
good job of explaining the details and why the changes are important
so I'll point you there instead of duplicating it here; as usual, if
you have any questions you know where to find us.
We also manage to take out more code than we put in this time, that
always makes me happy :)"
* 'stable-4.12' of git://git.infradead.org/users/pcmoore/audit:
audit: fix the RCU locking for the auditd_connection structure
audit: use kmem_cache to manage the audit_buffer cache
audit: Use timespec64 to represent audit timestamps
audit: store the auditd PID as a pid struct instead of pid_t
audit: kernel generated netlink traffic should have a portid of 0
audit: combine audit_receive() and audit_receive_skb()
audit: convert audit_watch.count from atomic_t to refcount_t
audit: convert audit_tree.count from atomic_t to refcount_t
audit: normalize NETFILTER_PKT
netfilter: use consistent ipv4 network offset in xt_AUDIT
audit: log module name on delete_module
audit: remove unnecessary semicolon in audit_watch_handle_event()
audit: remove unnecessary semicolon in audit_mark_handle_event()
audit: remove unnecessary semicolon in audit_field_valid()
Linus Torvalds [Wed, 3 May 2017 15:50:52 +0000 (08:50 -0700)]
Merge branch 'next' of git://git./linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
"Highlights:
IMA:
- provide ">" and "<" operators for fowner/uid/euid rules
KEYS:
- add a system blacklist keyring
- add KEYCTL_RESTRICT_KEYRING, exposes keyring link restriction
functionality to userland via keyctl()
LSM:
- harden LSM API with __ro_after_init
- add prlmit security hook, implement for SELinux
- revive security_task_alloc hook
TPM:
- implement contextual TPM command 'spaces'"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (98 commits)
tpm: Fix reference count to main device
tpm_tis: convert to using locality callbacks
tpm: fix handling of the TPM 2.0 event logs
tpm_crb: remove a cruft constant
keys: select CONFIG_CRYPTO when selecting DH / KDF
apparmor: Make path_max parameter readonly
apparmor: fix parameters so that the permission test is bypassed at boot
apparmor: fix invalid reference to index variable of iterator line 836
apparmor: use SHASH_DESC_ON_STACK
security/apparmor/lsm.c: set debug messages
apparmor: fix boolreturn.cocci warnings
Smack: Use GFP_KERNEL for smk_netlbl_mls().
smack: fix double free in smack_parse_opts_str()
KEYS: add SP800-56A KDF support for DH
KEYS: Keyring asymmetric key restrict method with chaining
KEYS: Restrict asymmetric key linkage using a specific keychain
KEYS: Add a lookup_restriction function for the asymmetric key type
KEYS: Add KEYCTL_RESTRICT_KEYRING
KEYS: Consistent ordering for __key_link_begin and restrict check
KEYS: Add an optional lookup_restriction hook to key_type
...
Linus Torvalds [Wed, 3 May 2017 02:09:35 +0000 (19:09 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
tty: fix comment for __tty_alloc_driver()
init/main: properly align the multi-line comment
init/main: Fix double "the" in comment
Fix dead URLs to ftp.kernel.org
drivers: Clean up duplicated email address
treewide: Fix typo in xml/driver-api/basics.xml
tools/testing/selftests/powerpc: remove redundant CFLAGS in Makefile: "-Wall -O2 -Wall" -> "-O2 -Wall"
selftests/timers: Spelling s/privledges/privileges/
HID: picoLCD: Spelling s/REPORT_WRTIE_MEMORY/REPORT_WRITE_MEMORY/
net: phy: dp83848: Fix Typo
UBI: Fix typos
Documentation: ftrace.txt: Correct nice value of 120 priority
net: fec: Fix typo in error msg and comment
treewide: Fix typos in printk
Linus Torvalds [Wed, 3 May 2017 01:24:16 +0000 (18:24 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/livepatching
Pull livepatch updates from Jiri Kosina:
- a per-task consistency model is being added for architectures that
support reliable stack dumping (extending this, currently rather
trivial set, is currently in the works).
This extends the nature of the types of patches that can be applied
by live patching infrastructure. The code stems from the design
proposal made [1] back in November 2014. It's a hybrid of SUSE's
kGraft and RH's kpatch, combining advantages of both: it uses
kGraft's per-task consistency and syscall barrier switching combined
with kpatch's stack trace switching. There are also a number of
fallback options which make it quite flexible.
Most of the heavy lifting done by Josh Poimboeuf with help from
Miroslav Benes and Petr Mladek
[1] https://lkml.kernel.org/r/
20141107140458.GA21774@suse.cz
- module load time patch optimization from Zhou Chengming
- a few assorted small fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: add missing printk newlines
livepatch: Cancel transition a safe way for immediate patches
livepatch: Reduce the time of finding module symbols
livepatch: make klp_mutex proper part of API
livepatch: allow removal of a disabled patch
livepatch: add /proc/<pid>/patch_state
livepatch: change to a per-task consistency model
livepatch: store function sizes
livepatch: use kstrtobool() in enabled_store()
livepatch: move patching functions into patch.c
livepatch: remove unnecessary object loaded check
livepatch: separate enabled and patched states
livepatch/s390: add TIF_PATCH_PENDING thread flag
livepatch/s390: reorganize TIF thread flag bits
livepatch/powerpc: add TIF_PATCH_PENDING thread flag
livepatch/x86: add TIF_PATCH_PENDING thread flag
livepatch: create temporary klp_update_patch_state() stub
x86/entry: define _TIF_ALLWORK_MASK flags explicitly
stacktrace/x86: add function for detecting reliable stack traces
Linus Torvalds [Wed, 3 May 2017 01:07:04 +0000 (18:07 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/hid
Pull HID subsystem updates from Jiri Kosina:
- The need for HID_QUIRK_NO_INIT_REPORTS per-device quirk has been
growing dramatically during past years, so the time has come to
switch over the default, and perform the pro-active reading only in
cases where it's really needed (multitouch, wacom).
The only place where this behavior is (in some form) preserved is
hiddev so that we don't introduce userspace-visible change of
behavior.
From Benjamin Tissoires
- HID++ support for power_supply / baterry reporting.
From Benjamin Tissoires and Bastien Nocera
- Vast improvements / rework of DS3 and DS4 in Sony driver.
From Roderick Colenbrander
- Improvment (in terms of getting closer to the Microsoft's
interpretation of slightly ambiguous specification) of logical range
interpretation in case null-state is set in the rdesc.
From Valtteri Heikkilä and Tomasz Kramkowski
- A lot of newly supported device IDs and small assorted fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (71 commits)
HID: usbhid: Add HID_QUIRK_NOGET for Aten CS-1758 KVM switch
HID: asus: support backlight on USB keyboards
HID: wacom: Move wacom_remote_irq and wacom_remote_status_irq
HID: wacom: generic: sync pad events only for actual packets
HID: sony: remove redundant check for -ve err
HID: sony: Make sure to unregister sensors on failure
HID: sony: Make DS4 bt poll interval adjustable
HID: sony: Set proper bit flags on DS4 output report
HID: sony: DS4 use brighter LED colors
HID: sony: Improve navigation controller axis/button mapping
HID: sony: Use DS3 MAC address as unique identifier on USB
HID: logitech-hidpp: add a sysfs file to tell we support power_supply
HID: logitech-hidpp: enable HID++ 1.0 battery reporting
HID: logitech-hidpp: add support for battery status for the K750
HID: logitech-hidpp: battery: provide CAPACITY_LEVEL
HID: logitech-hidpp: rename battery level into capacity
HID: logitech-hidpp: battery: provide ONLINE property
HID: logitech-hidpp: notify battery on connect
HID: logitech-hidpp: return an error if the queried feature is not present
HID: logitech-hidpp: create the battery for all types of HID++ devices
...
Linus Torvalds [Wed, 3 May 2017 00:59:33 +0000 (17:59 -0700)]
Merge tag 'pinctrl-v4.12-1' of git://git./linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v4.12 cycle.
The extra week before the merge window actually resulted in some of
the type of fixes that usually arrive after the merge window already
starting to trickle in from eager developers using -next, I'm
impressed.
I have recruited a Samsung subsubsystem maintainer (Krzysztof) to deal
with the onset of Samsung patches. It works great.
Apart from that it is a boring round, just incremental updates and
fixes all over the place, no serious core changes or anything exciting
like that. The most pleasing to see is Julia Cartwrights work to audit
the irqchip-providing drivers for realtime locking compliance. It's
one of those "I should really get around to looking into that" things
that have been on my TODO list since forever.
Summary:
Core changes:
- add bi-directional and output-enable pin configurations to the
generic bindings and generic pin controlling core.
New drivers or subdrivers:
- Armada 37xx SoC pin controller and GPIO support.
- Axis ARTPEC-6 SoC pin controller support.
- AllWinner A64 R_PIO controller support, and opening up the
AllWinner sunxi driver for ARM64 use.
- Rockchip RK3328 support.
- Renesas R-Car H3 ES2.0 support.
- STM32F469 support in the STM32 driver.
- Aspeed G4 and G5 pin controller support.
Improvements:
- a whole slew of realtime improvements to drivers implementing
irqchips: BCM, AMD, SiRF, sunxi, rockchip.
- switch meson driver to get the GPIO ranges from the device tree.
- input schmitt trigger support on the Rockchip driver.
- enable the sunxi (AllWinner) driver to also be used on ARM64
silicon.
- name the Qualcomm QDF2xxx GPIO lines.
- support GMMR GPIO regions on the Intel Cherryview. This fixes a
serialization problem on these platforms.
- pad retention support for the Samsung Exynos 5433.
- handle suspend-to-ram in the AT91-pio4 driver.
- pin configuration support in the Aspeed driver.
Cleanups:
- the final name of Rockchip RK1108 was RV1108 so rename the driver
and variables to stay consistent"
* tag 'pinctrl-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (80 commits)
pinctrl: mediatek: Add missing pinctrl bindings for mt7623
pinctrl: artpec6: Fix return value check in artpec6_pmx_probe()
pinctrl: artpec6: Remove .owner field for driver
pinctrl: tegra: xusb: Silence sparse warnings
ARM: at91/at91-pinctrl documentation: fix spelling mistake: "contoller" -> "controller"
pinctrl: make artpec6 explicitly non-modular
pinctrl: aspeed: g5: Add pinconf support
pinctrl: aspeed: g4: Add pinconf support
pinctrl: aspeed: Add core pinconf support
pinctrl: aspeed: Document pinconf in devicetree bindings
pinctrl: Add st,stm32f469-pinctrl compatible to stm32-pinctrl
pinctrl: stm32: Add STM32F469 MCU support
Documentation: dt: Remove ngpios from stm32-pinctrl binding
pinctrl: stm32: replace device_initcall() with arch_initcall()
pinctrl: stm32: add possibility to use gpio-ranges to declare bank range
pinctrl: armada-37xx: Add gpio support
pinctrl: armada-37xx: Add pin controller support for Armada 37xx
pinctrl: dt-bindings: Add documentation for Armada 37xx pin controllers
pinctrl: core: Make pinctrl_init_controller() static
pinctrl: generic: Add bi-directional and output-enable
...
Linus Torvalds [Wed, 3 May 2017 00:34:32 +0000 (17:34 -0700)]
Merge tag 'mmc-v4.12' of git://git./linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Continue to re-factor code to prepare for eMMC CMDQ and blkmq support
- Introduce queue semantics to prepare for eMMC CMDQ and blkmq support
- Add helper functions to manage temporary enable/disable of eMMC CMDQ
- Improve wait-busy detection for SDIO
MMC host:
- cavium: Add driver to support Cavium controllers
- cavium: Extend Cavium driver to support Octeon and ThunderX SOCs
- bcm2835: Add new driver for Broadcom BCM2835 controller
- sdhci-xenon: Add driver to support Marvell Xenon SDHCI controller
- sdhci-tegra: Add support for the Tegra186 variant
- sdhci-of-esdhc: Support for UHS-I SD cards
- sdhci-of-esdhc: Support for eMMC HS200 cards
- sdhci-cadence: Add eMMC HS400 enhanced strobe support
- sdhci-esdhc-imx: Reset tuning circuit when needed
- sdhci-pci: Modernize and clean-up some PM related code
- sdhci-pci: Avoid re-tuning at runtime PM for some Intel devices
- sdhci-pci|acpi: Use aggressive PM for some Intel BYT controllers
- sdhci: Re-factoring and modernizations
- sdhci: Optimize delay loops
- sdhci: Improve register dump print format
- sdhci: Add support for the Command Queue Engine
- meson-gx: Various improvements and clean-ups
- meson-gx: Add support for CMD23
- meson-gx: Basic tuning support to avoid CRC errors
- s3cmci: Enable probing via DT
- mediatek: Improve tuning support for eMMC HS200 and HS400 mode
- tmio: Improve DMA support
- tmio: Use correct response for CMD12
- dw_mmc: Minor improvements and clean-ups"
* tag 'mmc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (148 commits)
mmc: sdhci-of-esdhc: limit SD clock for ls1012a/ls1046a
mmc: sdhci-of-esdhc: poll ESDHC_CLOCK_STABLE bit with udelay
mmc: sdhci-xenon: Fix default value of LOGIC_TIMING_ADJUST for eMMC5.0 PHY
mmc: sdhci-xenon: Fix the work flow in xenon_remove().
MIPS: Octeon: cavium_octeon_defconfig: Enable Octeon MMC
mmc: sdhci-xenon: Remove redundant dev_err call in get_dt_pad_ctrl_data()
mmc: cavium: Use module_pci_driver to simplify the code
mmc: cavium: Add MMC support for Octeon SOCs.
mmc: cavium: Fix detection of block or byte addressing.
mmc: core: Export API to allow hosts to get the card address
mmc: sdio: Fix sdio wait busy implement limitation
mmc: sdhci-esdhc-imx: reset tuning circuit when power on mmc card
clk: apn806: fix spelling mistake: "mising" -> "missing"
mmc: sdhci-of-esdhc: add delay between tuning cycles
mmc: sdhci: Control the delay between tuning commands
mmc: sdhci-of-esdhc: add tuning support
mmc: sdhci-of-esdhc: add support for signal voltage switch
mmc: sdhci-of-esdhc: add peripheral clock support
mmc: sdhci-pci: Allow for 3 bytes from Intel DSM
mmc: cavium: Fix a shift wrapping bug
...
Linus Torvalds [Tue, 2 May 2017 23:40:27 +0000 (16:40 -0700)]
Merge git://git./linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
Linus Torvalds [Tue, 2 May 2017 22:53:46 +0000 (15:53 -0700)]
Merge branch 'linus' of git://git./linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.12:
API:
- Add batch registration for acomp/scomp
- Change acomp testing to non-unique compressed result
- Extend algorithm name limit to 128 bytes
- Require setkey before accept(2) in algif_aead
Algorithms:
- Add support for deflate rfc1950 (zlib)
Drivers:
- Add accelerated crct10dif for powerpc
- Add crc32 in stm32
- Add sha384/sha512 in ccp
- Add 3des/gcm(aes) for v5 devices in ccp
- Add Queue Interface (QI) backend support in caam
- Add new Exynos RNG driver
- Add ThunderX ZIP driver
- Add driver for hardware random generator on MT7623 SoC"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (101 commits)
crypto: stm32 - Fix OF module alias information
crypto: algif_aead - Require setkey before accept(2)
crypto: scomp - add support for deflate rfc1950 (zlib)
crypto: scomp - allow registration of multiple scomps
crypto: ccp - Change ISR handler method for a v5 CCP
crypto: ccp - Change ISR handler method for a v3 CCP
crypto: crypto4xx - rename ce_ring_contol to ce_ring_control
crypto: testmgr - Allow ecb(cipher_null) in FIPS mode
Revert "crypto: arm64/sha - Add constant operand modifier to ASM_EXPORT"
crypto: ccp - Disable interrupts early on unload
crypto: ccp - Use only the relevant interrupt bits
hwrng: mtk - Add driver for hardware random generator on MT7623 SoC
dt-bindings: hwrng: Add Mediatek hardware random generator bindings
crypto: crct10dif-vpmsum - Fix missing preempt_disable()
crypto: testmgr - replace compression known answer test
crypto: acomp - allow registration of multiple acomps
hwrng: n2 - Use devm_kcalloc() in n2rng_probe()
crypto: chcr - Fix error handling related to 'chcr_alloc_shash'
padata: get_next is never NULL
crypto: exynos - Add new Exynos RNG driver
...
David S. Miller [Tue, 2 May 2017 19:56:54 +0000 (15:56 -0400)]
Merge branch 'tipc-refactor-socket-receive-functions'
Jon Maloy says:
====================
tipc: refactor socket receive functions
We try to make the functions tipc_sk_recvmsg() and
tipc_sk_recvstream() more readable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jon Paul Maloy [Tue, 2 May 2017 16:16:54 +0000 (18:16 +0200)]
tipc: refactor function tipc_sk_recv_stream()
We try to make this function more readable by improving variable names
and comments, using more stack variables, and doing some smaller changes
to the logics. We also rename the function to make it consistent with
naming conventions used elsewhere in the code.
Reviewed-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jon Paul Maloy [Tue, 2 May 2017 16:16:53 +0000 (18:16 +0200)]
tipc: refactor function tipc_sk_recvmsg()
We try to make this function more readable by improving variable names
and comments, plus some minor changes to the logics.
Reviewed-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 2 May 2017 19:41:23 +0000 (15:41 -0400)]
Merge branch 'thunderx-xdp'
Sunil Goutham says:
====================
net: thunderx: Adds XDP support
This patch series adds support for XDP to ThunderX NIC driver
which is used on CN88xx, CN81xx and CN83xx platforms.
Patches 1-4 are performance improvement and cleanup patches
which are done keeping XDP performance bottlenecks in view.
Rest of the patches adds actual XDP support.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:58 +0000 (18:36 +0530)]
net: thunderx: Optimize page recycling for XDP
Driver follows a method of taking one extra reference on the
page for recycling which is fine in usual packet path where
each 64KB page is segmented into multiple receive buffers.
But in XDP mode since there is just one receive buffer per
page taking extra page reference itself becomes big bottleneck
consuming ~50% of CPU cycles due to atomic operations.
This patch adds a internal ref count in pgcache for each
page and additional page references are taken in a batch
instead of just one at a time. Internal i.e 'pgcache->ref_count'
and page's i.e 'page->_refcount' counters are compared to check
page's recyclability.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:57 +0000 (18:36 +0530)]
net: thunderx: Support for XDP header adjustment
When in XDP mode reserve XDP_PACKET_HEADROOM bytes at the start
of receive buffer for XDP program to modify headers and adjust
packet start. Additional code changes done to handle such packets.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:56 +0000 (18:36 +0530)]
net: thunderx: Add support for XDP_TX
Adds support for XDP_TX i.e transmits packet out of
the XDP TX queue mapped to the corresponding Rx queue
on which packet is received.
Since SQ for XDP TX will be used only on a single cpu i.e
SQ description creation and freeing, using atomic free count
is not necessary and will become a bottleneck. Hence added
a separate 'xdp_free_cnt' used for SQs designated for XDP
to track descriptor free count.
Changes also include
- A new entry 'xdp_page' is added to save transmitted packet's
page pointer for later cleanup.
- XDP Tx SQ's doorbell is ringed once per NAPI instance.
- Retrieving designated SQ for packets being sent out by stack
via 'nicvf_xmit'.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:55 +0000 (18:36 +0530)]
net: thunderx: Add support for XDP_DROP
Adds support for XDP_DROP.
Also since in XDP mode there is just a single buffer per page,
made changes to recycle DMA mapping info as well along with pages.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:54 +0000 (18:36 +0530)]
net: thunderx: Add basic XDP support
Adds basic XDP support i.e attaching a BPF program to an
interface. Also takes care of allocating separate Tx queues
for XDP path and for network stack packet transmission.
This patch doesn't support handling of any of the XDP actions,
all are treated as XDP_PASS i.e packets will be handed over to
the network stack.
Changes also involve allocating one receive buffer per page in XDP
mode and multiple in normal mode i.e when no BPF program is attached.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:53 +0000 (18:36 +0530)]
net: thunderx: Cleanup receive buffer allocation
Get rid of unnecessary double pointer references and type casting
in receive buffer allocation code.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:52 +0000 (18:36 +0530)]
net: thunderx: Optimize CQE_TX handling
Optimized CQE handling with below changes
- Feeing descriptors back to SQ in bulk i.e once per NAPI
instance instead for every CQE_TX, this will reduce number
of atomic updates to 'sq->free_cnt'.
- Checking errors in CQE_TX and CQE_RX before calling appropriate
fn()s to update error stats i.e reduce branching.
Also removed debug messages in packet handling path which otherwise
causes issues if DEBUG is enabled.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:51 +0000 (18:36 +0530)]
net: thunderx: Optimize RBDR descriptor handling
Receive buffer's physical address or iova will anyway not
go beyond 49bits, since it is the max supported HW address.
As per perf, updating bitfields i.e buf_addr:42 in RBDR
descriptor entry consumes lots of cpu cycles, hence changed
it to a 64bit field with alignment requirements taken care of.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunil Goutham [Tue, 2 May 2017 13:06:50 +0000 (18:36 +0530)]
net: thunderx: Support for page recycling
Adds support for page recycling for allocating receive buffers
to reduce cost of refilling RBDR ring. Also got rid of using
compound pages when pagesize is 4K, only order-0 pages now.
Only page is recycled, DMA mappings still needs to be done for
every receive buffer allocated due to following constraints
- Cannot have just one receive buffer per 64KB page.
- There is just one buffer ring shared across 8 Rx queues, so
buffers of same page can go to any Rx queue.
- HW gives buffer address where packet has been DMA'ed and not
the index into buffer ring.
This makes it not possible to resue DMA mapping info. So unfortunately
have to go through costly mapping route for every buffer.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan Carpenter [Tue, 2 May 2017 10:58:53 +0000 (13:58 +0300)]
ipx: call ipxitf_put() in ioctl error path
We should call ipxitf_put() if the copy_to_user() fails.
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko [Tue, 2 May 2017 08:12:00 +0000 (10:12 +0200)]
net: sched: add helpers to handle extended actions
Jump is now the only one using value action opcode. This is going to
change soon. So introduce helpers to work with this. Convert TC_ACT_JUMP.
This also fixes the TC_ACT_JUMP check, which is incorrectly done as a
bit check, not a value check.
Fixes:
e0ee84ded796 ("net sched actions: Complete the JUMPX opcode")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 2 May 2017 19:33:02 +0000 (15:33 -0400)]
Merge branch 'qed-PTP-fixes'
Sudarsana Reddy Kalluru says:
====================
qed*: PTP bug fixes.
The series addresses couple of issues in the PTP implementation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
sudarsana.kalluru@cavium.com [Tue, 2 May 2017 08:11:03 +0000 (01:11 -0700)]
qed*: Fix issues in the ptp filter config implementation.
PTP hardware filter configuration performed by the driver for a given
user requested config is not correct for some of the PTP modes.
Following changes are needed for PTP config-filter implementation.
1. NIG_REG_TX_PTP_EN register - Bits 0/1/2 respectively enables
TimeSync/"V1 frame format support"/"V2 frame format support" on
the TX side. Set the associated bits based on the user request.
2. ptp4l application fails to operate in Peer Delay mode. Following
changes are needed to fix this,
a. Driver should enable (set to 0) DA #1-related bits for IPv4,
IPv6 and MAC destination addresses in these registers:
NIG_REG_TX_LLH_PTP_RULE_MASK
NIG_REG_LLH_PTP_RULE_MASK
b. NIG_REG_LLH_PTP_PARAM_MASK/NIG_REG_TX_LLH_PTP_PARAM_MASK should
be set to 0x0 in all modes.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sudarsana.kalluru@cavium.com [Tue, 2 May 2017 08:11:02 +0000 (01:11 -0700)]
qede: Fix concurrency issue in PTP Tx path processing.
PTP Tx timestamping data structures are not protected against the
concurrent access in the Tx paths. Protecting the same using atomic
bit locks.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jan Kiszka [Tue, 2 May 2017 07:58:00 +0000 (09:58 +0200)]
stmmac: Add support for SIMATIC IOT2000 platform
The IOT2000 is industrial controller platform, derived from the Intel
Galileo Gen2 board. The variant IOT2020 comes with one LAN port, the
IOT2040 has two of them. They can be told apart based on the board asset
tag in the DMI table.
Based on patch by Sascha Weisenberger.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Sascha Weisenberger <sascha.weisenberger@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Timmy Li [Tue, 2 May 2017 02:46:52 +0000 (10:46 +0800)]
net: hns: fix ethtool_get_strings overflow in hns driver
hns_get_sset_count() returns HNS_NET_STATS_CNT and the data space allocated
is not enough for ethtool_get_strings(), which will cause random memory
corruption.
When SLAB and DEBUG_SLAB are both enabled, memory corruptions like the
the following can be observed without this patch:
[ 43.115200] Slab corruption (Not tainted): Acpi-ParseExt start=
ffff801fb0b69030, len=80
[ 43.115206] Redzone: 0x9f911029d006462/0x5f78745f31657070.
[ 43.115208] Last user: [<
5f7272655f746b70>](0x5f7272655f746b70)
[ 43.115214] 010: 70 70 65 31 5f 74 78 5f 70 6b 74 00 6b 6b 6b 6b ppe1_tx_pkt.kkkk
[ 43.115217] 030: 70 70 65 31 5f 74 78 5f 70 6b 74 5f 6f 6b 00 6b ppe1_tx_pkt_ok.k
[ 43.115218] Next obj: start=
ffff801fb0b69098, len=80
[ 43.115220] Redzone: 0x706d655f6f666966/0x9f911029d74e35b.
[ 43.115229] Last user: [<
ffff0000084b11b0>](acpi_os_release_object+0x28/0x38)
[ 43.115231] 000: 74 79 00 6b 6b 6b 6b 6b 70 70 65 31 5f 74 78 5f ty.kkkkkppe1_tx_
[ 43.115232] 010: 70 6b 74 5f 65 72 72 5f 63 73 75 6d 5f 66 61 69 pkt_err_csum_fai
Signed-off-by: Timmy Li <lixiaoping3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Mon, 1 May 2017 22:29:48 +0000 (15:29 -0700)]
tcp: fix wraparound issue in tcp_lp
Be careful when comparing tcp_time_stamp to some u32 quantity,
otherwise result can be surprising.
Fixes:
7c106d7e782b ("[TCP]: TCP Low Priority congestion control")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann [Tue, 2 May 2017 18:34:54 +0000 (20:34 +0200)]
bpf, arm64: fix jit branch offset related to ldimm64
When the instruction right before the branch destination is
a 64 bit load immediate, we currently calculate the wrong
jump offset in the ctx->offset[] array as we only account
one instruction slot for the 64 bit load immediate although
it uses two BPF instructions. Fix it up by setting the offset
into the right slot after we incremented the index.
Before (ldimm64 test 1):
[...]
00000020:
52800007 mov w7, #0x0 // #0
00000024:
d2800060 mov x0, #0x3 // #3
00000028:
d2800041 mov x1, #0x2 // #2
0000002c:
eb01001f cmp x0, x1
00000030:
54ffff82 b.cs 0x00000020
00000034:
d29fffe7 mov x7, #0xffff // #65535
00000038:
f2bfffe7 movk x7, #0xffff, lsl #16
0000003c:
f2dfffe7 movk x7, #0xffff, lsl #32
00000040:
f2ffffe7 movk x7, #0xffff, lsl #48
00000044:
d29dddc7 mov x7, #0xeeee // #61166
00000048:
f2bdddc7 movk x7, #0xeeee, lsl #16
0000004c:
f2ddddc7 movk x7, #0xeeee, lsl #32
00000050:
f2fdddc7 movk x7, #0xeeee, lsl #48
[...]
After (ldimm64 test 1):
[...]
00000020:
52800007 mov w7, #0x0 // #0
00000024:
d2800060 mov x0, #0x3 // #3
00000028:
d2800041 mov x1, #0x2 // #2
0000002c:
eb01001f cmp x0, x1
00000030:
540000a2 b.cs 0x00000044
00000034:
d29fffe7 mov x7, #0xffff // #65535
00000038:
f2bfffe7 movk x7, #0xffff, lsl #16
0000003c:
f2dfffe7 movk x7, #0xffff, lsl #32
00000040:
f2ffffe7 movk x7, #0xffff, lsl #48
00000044:
d29dddc7 mov x7, #0xeeee // #61166
00000048:
f2bdddc7 movk x7, #0xeeee, lsl #16
0000004c:
f2ddddc7 movk x7, #0xeeee, lsl #32
00000050:
f2fdddc7 movk x7, #0xeeee, lsl #48
[...]
Also, add a couple of test cases to make sure JITs pass
this test. Tested on Cavium ThunderX ARMv8. The added
test cases all pass after the fix.
Fixes:
8eee539ddea0 ("arm64: bpf: fix out-of-bounds read in bpf2a64_offset()")
Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Xi Wang <xi.wang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann [Mon, 1 May 2017 00:57:20 +0000 (02:57 +0200)]
bpf, arm64: implement jiting of BPF_XADD
This work adds BPF_XADD for BPF_W/BPF_DW to the arm64 JIT and therefore
completes JITing of all BPF instructions, meaning we can thus also remove
the 'notyet' label and do not need to fall back to the interpreter when
BPF_XADD is used in a program!
This now also brings arm64 JIT in line with x86_64, s390x, ppc64, sparc64,
where all current eBPF features are supported.
BPF_W example from test_bpf:
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, 0x12),
BPF_ST_MEM(BPF_W, R10, -40, 0x10),
BPF_STX_XADD(BPF_W, R10, R0, -40),
BPF_LDX_MEM(BPF_W, R0, R10, -40),
BPF_EXIT_INSN(),
},
[...]
00000020:
52800247 mov w7, #0x12 // #18
00000024:
928004eb mov x11, #0xffffffffffffffd8 // #-40
00000028:
d280020a mov x10, #0x10 // #16
0000002c:
b82b6b2a str w10, [x25,x11]
// start of xadd mapping:
00000030:
928004ea mov x10, #0xffffffffffffffd8 // #-40
00000034:
8b19014a add x10, x10, x25
00000038:
f9800151 prfm pstl1strm, [x10]
0000003c:
885f7d4b ldxr w11, [x10]
00000040:
0b07016b add w11, w11, w7
00000044:
880b7d4b stxr w11, w11, [x10]
00000048:
35ffffab cbnz w11, 0x0000003c
// end of xadd mapping:
[...]
BPF_DW example from test_bpf:
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, 0x12),
BPF_ST_MEM(BPF_DW, R10, -40, 0x10),
BPF_STX_XADD(BPF_DW, R10, R0, -40),
BPF_LDX_MEM(BPF_DW, R0, R10, -40),
BPF_EXIT_INSN(),
},
[...]
00000020:
52800247 mov w7, #0x12 // #18
00000024:
928004eb mov x11, #0xffffffffffffffd8 // #-40
00000028:
d280020a mov x10, #0x10 // #16
0000002c:
f82b6b2a str x10, [x25,x11]
// start of xadd mapping:
00000030:
928004ea mov x10, #0xffffffffffffffd8 // #-40
00000034:
8b19014a add x10, x10, x25
00000038:
f9800151 prfm pstl1strm, [x10]
0000003c:
c85f7d4b ldxr x11, [x10]
00000040:
8b07016b add x11, x11, x7
00000044:
c80b7d4b stxr w11, x11, [x10]
00000048:
35ffffab cbnz w11, 0x0000003c
// end of xadd mapping:
[...]
Tested on Cavium ThunderX ARMv8, test suite results after the patch:
No JIT: [ 3751.855362] test_bpf: Summary: 311 PASSED, 0 FAILED, [0/303 JIT'ed]
With JIT: [ 3573.759527] test_bpf: Summary: 311 PASSED, 0 FAILED, [303/303 JIT'ed]
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Tue, 2 May 2017 18:54:26 +0000 (11:54 -0700)]
Merge branch 'work.compat' of git://git./linux/kernel/git/viro/vfs
Pull fs/compat.c cleanups from Al Viro:
"More moving of compat syscalls from fs/compat.c to fs/*.c where the
native counterparts live.
And death to compat_sys_getdents64() - the only architecture that used
to need it was ia64, and _that_ has lost biarch support quite a few
years ago"
* 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs/compat.c: trim unused includes
move compat_rw_copy_check_uvector() over to fs/read_write.c
fhandle: move compat syscalls from compat.c
open: move compat syscalls from compat.c
stat: move compat syscalls from compat.c
fcntl: move compat syscalls from compat.c
readdir: move compat syscalls from compat.c
statfs: move compat syscalls from compat.c
utimes: move compat syscalls from compat.c
move compat select-related syscalls to fs/select.c
Remove compat_sys_getdents64()
Linus Torvalds [Tue, 2 May 2017 18:38:06 +0000 (11:38 -0700)]
Merge branch 'work.splice' of git://git./linux/kernel/git/viro/vfs
Pull splice updates from Al Viro:
"These actually missed the last cycle; the branch itself is from last
December"
* 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
make nr_pages calculation in default_file_splice_read() a bit less ugly
splice/tee/vmsplice: validate flags
splice_pipe_desc: kill ->flags
remove spd_release_page()
Linus Torvalds [Tue, 2 May 2017 18:18:50 +0000 (11:18 -0700)]
Merge branch 'work.iov_iter' of git://git./linux/kernel/git/viro/vfs
Pull iov_iter updates from Al Viro:
"Cleanups that sat in -next + -stable fodder that has just missed 4.11.
There's more iov_iter work in my local tree, but I'd prefer to push
the stuff that had been in -next first"
* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: don't revert iov buffer if csum error
generic_file_read_iter(): make use of iov_iter_revert()
generic_file_direct_write(): make use of iov_iter_revert()
orangefs: use iov_iter_revert()
sctp: switch to copy_from_iter_full()
net/9p: switch to copy_from_iter_full()
switch memcpy_from_msg() to copy_from_iter_full()
rds: make use of iov_iter_revert()
Linus Torvalds [Tue, 2 May 2017 18:16:29 +0000 (11:16 -0700)]
Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull CIFS fixes from Steve French:
"Three cifs/smb3 fixes - including two for stable"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
cifs: don't check for failure from mempool_alloc()
Do not return number of bytes written for ioctl CIFS_IOC_COPYCHUNK_FILE
Fix match_prepath()
Linus Torvalds [Tue, 2 May 2017 17:45:15 +0000 (10:45 -0700)]
Merge tag 'usercopy-v4.12-rc1' of git://git./linux/kernel/git/kees/linux
Pull hardened usercopy updates from Kees Cook:
"A couple hardened usercopy changes:
- drop now unneeded is_vmalloc_or_module() check (Laura Abbott)
- use enum instead of literals for stack frame API (Sahara)"
* tag 'usercopy-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
mm/usercopy: Drop extra is_vmalloc_or_module() check
usercopy: Move enum for arch_within_stack_frames()
Linus Torvalds [Tue, 2 May 2017 17:35:45 +0000 (10:35 -0700)]
Merge tag 'pstore-v4.12-rc1' of git://git./linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
"This has a large internal refactoring along with several smaller
fixes.
- constify compression structures; Bhumika Goyal
- restore powerpc dumping; Ankit Kumar
- fix more bugs in the rarely exercises module unloading logic
- reorganize filesystem locking to fix problems noticed by lockdep
- refactor internal pstore APIs to make development and review
easier:
- improve error reporting
- add kernel-doc structure and function comments
- avoid insane argument passing by using a common record
structure"
* tag 'pstore-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (23 commits)
pstore: Solve lockdep warning by moving inode locks
pstore: Fix flags to enable dumps on powerpc
pstore: Remove unused vmalloc.h in pmsg
pstore: simplify write_user_compat()
pstore: Remove write_buf() callback
pstore: Replace arguments for write_buf_user() API
pstore: Replace arguments for write_buf() API
pstore: Replace arguments for erase() API
pstore: Do not duplicate record metadata
pstore: Allocate records on heap instead of stack
pstore: Pass record contents instead of copying
pstore: Always allocate buffer for decompression
pstore: Replace arguments for write() API
pstore: Replace arguments for read() API
pstore: Switch pstore_mkfile to pass record
pstore: Move record decompression to function
pstore: Extract common arguments into structure
pstore: Add kernel-doc for struct pstore_info
pstore: Improve register_pstore() error reporting
pstore: Avoid race in module unloading
...
Linus Torvalds [Tue, 2 May 2017 17:21:17 +0000 (10:21 -0700)]
Merge tag 'docs-4.12' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet:
"A reasonably busy cycle for documentation this time around. There is a
new guide for user-space API documents, rather sparsely populated at
the moment, but it's a start. Markus improved the infrastructure for
converting diagrams. Mauro has converted much of the USB documentation
over to RST. Plus the usual set of fixes, improvements, and tweaks.
There's a bit more than the usual amount of reaching out of
Documentation/ to fix comments elsewhere in the tree; I have acks for
those where I could get them"
* tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits)
docs: Fix a couple typos
docs: Fix a spelling error in vfio-mediated-device.txt
docs: Fix a spelling error in ioctl-number.txt
MAINTAINERS: update file entry for HSI subsystem
Documentation: allow installing man pages to a user defined directory
Doc/PM: Sync with intel_powerclamp code behavior
zr364xx.rst: usb/devices is now at /sys/kernel/debug/
usb.rst: move documentation from proc_usb_info.txt to USB ReST book
convert philips.txt to ReST and add to media docs
docs-rst: usb: update old usbfs-related documentation
arm: Documentation: update a path name
docs: process/4.Coding.rst: Fix a couple of document refs
docs-rst: fix usb cross-references
usb: gadget.h: be consistent at kernel doc macros
usb: composite.h: fix two warnings when building docs
usb: get rid of some ReST doc build errors
usb.rst: get rid of some Sphinx errors
usb/URB.txt: convert to ReST and update it
usb/persist.txt: convert to ReST and add to driver-api book
usb/hotplug.txt: convert to ReST and add to driver-api book
...
Linus Torvalds [Tue, 2 May 2017 17:10:52 +0000 (10:10 -0700)]
Merge tag 'm68k-for-v4.12-tag1' of git://git./linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
- more kernel message modernizations and cleanups
- Mac and Nubus improvements and cleanups.
* tag 'm68k-for-v4.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
nubus: Add MVC and VSC video card definitions
nubus: Clean up whitespace
nubus: Clean up printk calls
nubus: Fix nubus_rewinddir
m68k/mac: Clarify IOP message alloc/free confusion
m68k/mac: Adopt platform_device_register_simple()
m68k/mac: Modernize printing of kernel messages
m68k/mac: IOP - Modernize printing of kernel messages
Linus Torvalds [Tue, 2 May 2017 16:50:09 +0000 (09:50 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
- three merges for KVM/s390 with changes for vfio-ccw and cpacf. The
patches are included in the KVM tree as well, let git sort it out.
- add the new 'trng' random number generator
- provide the secure key verification API for the pkey interface
- introduce the z13 cpu counters to perf
- add a new system call to set up the guarded storage facility
- simplify TASK_SIZE and arch_get_unmapped_area
- export the raw STSI data related to CPU topology to user space
- ... and the usual churn of bug-fixes and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (74 commits)
s390/crypt: use the correct module alias for paes_s390.
s390/cpacf: Introduce kma instruction
s390/cpacf: query instructions use unique parameters for compatibility with KMA
s390/trng: Introduce s390 TRNG device driver.
s390/crypto: Provide s390 specific arch random functionality.
s390/crypto: Add new subfunctions to the cpacf PRNO function.
s390/crypto: Renaming PPNO to PRNO.
s390/pageattr: avoid unnecessary page table splitting
s390/mm: simplify arch_get_unmapped_area[_topdown]
s390/mm: make TASK_SIZE independent from the number of page table levels
s390/gs: add regset for the guarded storage broadcast control block
s390/kvm: Add use_cmma field to mm_context_t
s390/kvm: Add PGSTE manipulation functions
vfio: ccw: improve error handling for vfio_ccw_mdev_remove
vfio: ccw: remove unnecessary NULL checks of a pointer
s390/spinlock: remove compare and delay instruction
s390/spinlock: use atomic primitives for spinlocks
s390/cpumf: simplify detection of guest samples
s390/pci: remove forward declaration
s390/pci: increase the PCI_NR_FUNCTIONS default
...
Dmitry Torokhov [Tue, 2 May 2017 16:48:26 +0000 (09:48 -0700)]
Merge branch 'next' into for-linus
Prepare input updates for 4.12 merge window.
David S. Miller [Tue, 2 May 2017 15:46:29 +0000 (11:46 -0400)]
Merge branch 'bpf-test-prog-fixes'
I say:
====================
Fix some bpf program testing framework bugs
This series fixes two issue:
1) Accidental user pointer dereference in bpf_test_finish()
2) The packet data given to the test programs is not aligned correctly
The first issue is fixed simply because we have a kernel side copy
of the datastructure in question already. And the second bug is
a simple matter of applying NET_IP_ALIGN where needed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
David Miller [Tue, 2 May 2017 15:36:45 +0000 (11:36 -0400)]
bpf: Align packet data properly in program testing framework.
Make sure we apply NET_IP_ALIGN when reserving headroom for SKB
and XDP test runs, just like a real driver would.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
David Miller [Tue, 2 May 2017 15:36:33 +0000 (11:36 -0400)]
bpf: Do not dereference user pointer in bpf_test_finish().
Instead, pass the kattr in which has a kernel side copy of this
data structure from userspace already.
Fix based upon a suggestion from Alexei Starovoitov.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
David S. Miller [Tue, 2 May 2017 14:52:01 +0000 (07:52 -0700)]
selftests: bpf: Use bpf_endian.h in test_xdp.c
This fixes the testcase on big-endian.
Signed-off-by: David S. Miller <davem@davemloft.net>
Paolo Abeni [Tue, 2 May 2017 14:03:58 +0000 (16:03 +0200)]
infiniband: avoid dereferencing uninitialized dst on error path
With commit
eea40b8f624f ("infiniband: call ipv6 route lookup
via the stub interface"), if the route lookup fails due to
ipv6 being disabled, the dst variable is left untouched, and
the following dst_release() may access uninitialized memory.
Since ipv6_dst_lookup() always sets dst to NULL in case of
lookup failure with ipv6 enabled, fix the above just
returning the error code if the lookup fails.
Fixes:
eea40b8f624 ("infiniband: call ipv6 route lookup via the stub interface")
Reported-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Paul Moore [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: fix the RCU locking for the auditd_connection structure
Cong Wang correctly pointed out that the RCU read locking of the
auditd_connection struct was wrong, this patch correct this by
adopting a more traditional, and correct RCU locking model.
This patch is heavily based on an earlier prototype by Cong Wang.
Cc: <stable@vger.kernel.org> # 4.11.x-
Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Paul Moore [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: use kmem_cache to manage the audit_buffer cache
The audit subsystem implemented its own buffer cache mechanism which
is a bit silly these days when we could use the kmem_cache construct.
Some credit is due to Florian Westphal for originally proposing that
we remove the audit cache implementation in favor of simple
kmalloc()/kfree() calls, but I would rather have a dedicated slab
cache to ease debugging and future stats/performance work.
Cc: Florian Westphal <fw@strlen.de>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Deepa Dinamani [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: Use timespec64 to represent audit timestamps
struct timespec is not y2038 safe.
Audit timestamps are recorded in string format into
an audit buffer for a given context.
These mark the entry timestamps for the syscalls.
Use y2038 safe struct timespec64 to represent the times.
The log strings can handle this transition as strings can
hold upto 1024 characters.
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Paul Moore [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: store the auditd PID as a pid struct instead of pid_t
This is arguably the right thing to do, and will make it easier when
we start supporting multiple audit daemons in different namespaces.
Signed-off-by: Paul Moore <paul@paul-moore.com>
Paul Moore [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: kernel generated netlink traffic should have a portid of 0
We were setting the portid incorrectly in the netlink message headers,
fix that to always be 0 (nlmsg_pid = 0).
Signed-off-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Paul Moore [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: combine audit_receive() and audit_receive_skb()
There is no reason to have both of these functions, combine the two.
Signed-off-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Elena Reshetova [Tue, 2 May 2017 14:16:05 +0000 (10:16 -0400)]
audit: convert audit_watch.count from atomic_t to refcount_t
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
[PM: fix subject line, add #include]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Elena Reshetova [Tue, 2 May 2017 14:16:04 +0000 (10:16 -0400)]
audit: convert audit_tree.count from atomic_t to refcount_t
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
[PM: fix subject line, add #include]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Richard Guy Briggs [Tue, 2 May 2017 14:16:04 +0000 (10:16 -0400)]
audit: normalize NETFILTER_PKT
Eliminate flipping in and out of message fields, dropping fields in the
process.
Sample raw message format IPv4 UDP:
type=NETFILTER_PKT msg=audit(
1487874761.386:228): mark=0xae8a2732 saddr=127.0.0.1 daddr=127.0.0.1 proto=17^]
Sample raw message format IPv6 ICMP6:
type=NETFILTER_PKT msg=audit(
1487874761.381:227): mark=0x223894b7 saddr=::1 daddr=::1 proto=58^]
Issue: https://github.com/linux-audit/audit-kernel/issues/11
Test case: https://github.com/linux-audit/audit-testsuite/issues/43
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Richard Guy Briggs [Tue, 2 May 2017 14:16:04 +0000 (10:16 -0400)]
netfilter: use consistent ipv4 network offset in xt_AUDIT
Even though the skb->data pointer has been moved from the link layer
header to the network layer header, use the same method to calculate the
offset in ipv4 and ipv6 routines.
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: munged subject line]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Richard Guy Briggs [Tue, 2 May 2017 14:16:04 +0000 (10:16 -0400)]
audit: log module name on delete_module
When a sysadmin wishes to monitor module unloading with a syscall rule such as:
-a always,exit -F arch=x86_64 -S delete_module -F key=mod-unload
the SYSCALL record doesn't tell us what module was requested for unloading.
Use the new KERN_MODULE auxiliary record to record it.
The SYSCALL record result code will list the return code.
See: https://github.com/linux-audit/audit-kernel/issues/37
https://github.com/linux-audit/audit-kernel/issues/7
https://github.com/linux-audit/audit-kernel/wiki/RFE-Module-Load-Record-Format
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Jessica Yu <jeyu@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Nicholas Mc Guire [Tue, 2 May 2017 14:16:04 +0000 (10:16 -0400)]
audit: remove unnecessary semicolon in audit_watch_handle_event()
The excess ; after the closing parenthesis is just code-noise it has no
and can be removed.
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
[PM: tweaked subject line]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Nicholas Mc Guire [Tue, 2 May 2017 14:16:04 +0000 (10:16 -0400)]
audit: remove unnecessary semicolon in audit_mark_handle_event()
The excess ; after the closing parenthesis is just code-noise it has no
and can be removed.
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
[PM: tweaked subject line]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Nicholas Mc Guire [Tue, 2 May 2017 14:16:03 +0000 (10:16 -0400)]
audit: remove unnecessary semicolon in audit_field_valid()
The excess ; after the closing parenthesis is just code-noise it has no
and can be removed.
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
[PM: tweak subject line]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Jakub Kicinski [Mon, 1 May 2017 22:53:43 +0000 (15:53 -0700)]
xdp: fix parameter kdoc for extack
Fix kdoc parameter spelling from extact to extack.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann [Mon, 1 May 2017 22:47:09 +0000 (00:47 +0200)]
bpf, samples: fix build warning in cookie_uid_helper_example
Fix the following warnings triggered by
51570a5ab2b7 ("A Sample of
using socket cookie and uid for traffic monitoring"):
In file included from /home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:54:0:
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c: In function 'prog_load':
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:119:27: warning: overflow in implicit constant conversion [-Woverflow]
-32 + offsetof(struct stats, uid)),
^
/home/foo/net-next/samples/bpf/libbpf.h:135:12: note: in definition of macro 'BPF_STX_MEM'
.off = OFF, \
^
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:121:27: warning: overflow in implicit constant conversion [-Woverflow]
-32 + offsetof(struct stats, packets), 1),
^
/home/foo/net-next/samples/bpf/libbpf.h:155:12: note: in definition of macro 'BPF_ST_MEM'
.off = OFF, \
^
/home/foo/net-next/samples/bpf/cookie_uid_helper_example.c:129:27: warning: overflow in implicit constant conversion [-Woverflow]
-32 + offsetof(struct stats, bytes)),
^
/home/foo/net-next/samples/bpf/libbpf.h:135:12: note: in definition of macro 'BPF_STX_MEM'
.off = OFF, \
^
HOSTLD /home/foo/net-next/samples/bpf/per_socket_stats_example
Fixes:
51570a5ab2b7 ("A Sample of using socket cookie and uid for traffic monitoring")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Kosina [Tue, 2 May 2017 09:02:41 +0000 (11:02 +0200)]
Merge branch 'for-4.12/asus' into for-linus
Jiri Kosina [Tue, 2 May 2017 09:02:24 +0000 (11:02 +0200)]
Merge branch 'for-4.12/sony' into for-linus
Jiri Kosina [Tue, 2 May 2017 09:01:10 +0000 (11:01 +0200)]
Merge branches 'for-4.11/upstream-fixes', 'for-4.12/accutouch', 'for-4.12/cp2112', 'for-4.12/hid-core-null-state-handling', 'for-4.12/hiddev', 'for-4.12/i2c-hid', 'for-4.12/innomedia', 'for-4.12/logitech-hidpp-battery-power-supply', 'for-4.12/multitouch', 'for-4.12/nti', 'for-4.12/upstream' and 'for-4.12/wacom' into for-linus
Linus Torvalds [Tue, 2 May 2017 06:54:56 +0000 (23:54 -0700)]
Merge branch 'x86-mm-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar:
"The main x86 MM changes in this cycle were:
- continued native kernel PCID support preparation patches to the TLB
flushing code (Andy Lutomirski)
- various fixes related to 32-bit compat syscall returning address
over 4Gb in applications, launched from 64-bit binaries - motivated
by C/R frameworks such as Virtuozzo. (Dmitry Safonov)
- continued Intel 5-level paging enablement: in particular the
conversion of x86 GUP to the generic GUP code. (Kirill A. Shutemov)
- x86/mpx ABI corner case fixes/enhancements (Joerg Roedel)
- ... plus misc updates, fixes and cleanups"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (62 commits)
mm, zone_device: Replace {get, put}_zone_device_page() with a single reference to fix pmem crash
x86/mm: Fix flush_tlb_page() on Xen
x86/mm: Make flush_tlb_mm_range() more predictable
x86/mm: Remove flush_tlb() and flush_tlb_current_task()
x86/vm86/32: Switch to flush_tlb_mm_range() in mark_screen_rdonly()
x86/mm/64: Fix crash in remove_pagetable()
Revert "x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation"
x86/boot/e820: Remove a redundant self assignment
x86/mm: Fix dump pagetables for 4 levels of page tables
x86/mpx, selftests: Only check bounds-vs-shadow when we keep shadow
x86/mpx: Correctly report do_mpx_bt_fault() failures to user-space
Revert "x86/mm/numa: Remove numa_nodemask_from_meminfo()"
x86/espfix: Add support for 5-level paging
x86/kasan: Extend KASAN to support 5-level paging
x86/mm: Add basic defines/helpers for CONFIG_X86_5LEVEL=y
x86/paravirt: Add 5-level support to the paravirt code
x86/mm: Define virtual memory map for 5-level paging
x86/asm: Remove __VIRTUAL_MASK_SHIFT==47 assert
x86/boot: Detect 5-level paging support
x86/mm/numa: Remove numa_nodemask_from_meminfo()
...
Takashi Iwai [Tue, 2 May 2017 06:25:25 +0000 (08:25 +0200)]
Merge tag 'asoc-v4.12' of git://git./linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v4.12
A quiet release for the core, but lots of new drivers this time around:
- A new, generalized, API for hooking up jacks which makes it easier to
write generic machine drivers for simple cases.
- Continuing fixes for issues with the x86 CPU drivers.
- New drivers for Cirrus CS35L35, DIO DIO2125, Everest ES7132,
HiSilicon hi6210, Maxim MAX98927, MT2701 systems with WM8960, Nuvoton
NAU8824, Odroid systems, ST STM32 SAI controllers and x86 systems with
DA7213
Takashi Iwai [Tue, 2 May 2017 06:24:42 +0000 (08:24 +0200)]
Merge branch 'for-next' into for-linus
For 4.12 merge.
Linus Torvalds [Tue, 2 May 2017 06:08:46 +0000 (23:08 -0700)]
Merge branch 'x86-vdso-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 vdso updates from Ingo Molnar:
"Add support for vDSO acceleration of the "Hyper-V TSC page", to speed
up clock reading on Hyper-V guests"
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vdso: Add VCLOCK_HVCLOCK vDSO clock read method
x86/hyperv: Move TSC reading method to asm/mshyperv.h
x86/hyperv: Implement hv_get_tsc_page()
Linus Torvalds [Tue, 2 May 2017 06:05:12 +0000 (23:05 -0700)]
Merge branch 'x86-platform-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
"Most of the commits are continued SGI UV4 hardware-enablement changes,
plus there's also new Bluetooth support for the Intel Edison platform"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/intel-mid: Enable Bluetooth support on Intel Edison
x86/platform/uv/BAU: Implement uv4_wait_completion with read_status
x86/platform/uv/BAU: Add wait_completion to bau_operations
x86/platform/uv/BAU: Add status mmr location fields to bau_control
x86/platform/uv/BAU: Cleanup bau_operations declaration and instances
x86/platform/uv/BAU: Add payload descriptor qualifier
x86/platform/uv/BAU: Add uv_bau_version enumerated constants
Linus Torvalds [Tue, 2 May 2017 06:03:17 +0000 (23:03 -0700)]
Merge branch 'x86-irq-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 irq update from Ingo Molnar:
"A single commit that micro-optimizes an IRQ vectors code path in the
CPU offlining code"
* 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Optimize free vector check in the CPU offline path
Linus Torvalds [Tue, 2 May 2017 06:00:21 +0000 (23:00 -0700)]
Merge branch 'x86-debug-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 debug updates from Ingo Molnar:
"The biggest update is the addition of USB3 debug port based
early-console.
Greg was fine with the USB changes and with the routing of these
patches:
https://www.spinics.net/lists/linux-usb/msg155093.html"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
usb/doc: Add document for USB3 debug port usage
usb/serial: Add DBC debug device support to usb_debug
x86/earlyprintk: Add support for earlyprintk via USB3 debug port
usb/early: Add driver for xhci debug capability
x86/timers: Add simple udelay calibration
Linus Torvalds [Tue, 2 May 2017 05:34:52 +0000 (22:34 -0700)]
Merge branch 'x86-cleanups-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"A handful of small cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Remove a redundant #ifdef directive
x86/smp: Remove the redundant #ifdef CONFIG_SMP directive
x86/smp: Reduce code duplication
x86/pci-calgary: Use setup_timer() instead of open coding it.
Linus Torvalds [Tue, 2 May 2017 05:33:43 +0000 (22:33 -0700)]
Merge branch 'x86-build-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 build update from Ingo Molnar:
"A single CLang support related fix"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kbuild: Use cc-option to enable -falign-{jumps/loops}
Linus Torvalds [Tue, 2 May 2017 05:07:51 +0000 (22:07 -0700)]
Merge branch 'x86-asm-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"The main changes in this cycle were:
- unwinder fixes and enhancements
- improve ftrace interaction with the unwinder
- optimize the code footprint of WARN() and related debugging
constructs
- ... plus misc updates, cleanups and fixes"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
x86/unwind: Dump all stacks in unwind_dump()
x86/unwind: Silence more entry-code related warnings
x86/ftrace: Fix ebp in ftrace_regs_caller that screws up unwinder
x86/unwind: Remove unused 'sp' parameter in unwind_dump()
x86/unwind: Prepend hex mask value with '0x' in unwind_dump()
x86/unwind: Properly zero-pad 32-bit values in unwind_dump()
x86/unwind: Ensure stack pointer is aligned
debug: Avoid setting BUGFLAG_WARNING twice
x86/unwind: Silence entry-related warnings
x86/unwind: Read stack return address in update_stack_state()
x86/unwind: Move common code into update_stack_state()
debug: Fix __bug_table[] in arch linker scripts
debug: Add _ONCE() logic to report_bug()
x86/debug: Define BUG() again for !CONFIG_BUG
x86/debug: Implement __WARN() using UD0
x86/ftrace: Use Makefile logic instead of #ifdef for compiling ftrace_*.o
x86/ftrace: Add -mfentry support to x86_32 with DYNAMIC_FTRACE set
x86/ftrace: Clean up ftrace_regs_caller
x86/ftrace: Add stack frame pointer to ftrace_caller
x86/ftrace: Move the ftrace specific code out of entry_32.S
...
Linus Torvalds [Tue, 2 May 2017 04:41:07 +0000 (21:41 -0700)]
Merge branch 'x86-apic-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 apic updates from Ingo Molnar:
"Two small cleanups"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Fix a comment in init_apic_mappings()
x86/apic: Remove the SET_APIC_ID(x) macro
Linus Torvalds [Tue, 2 May 2017 04:15:50 +0000 (21:15 -0700)]
Merge branch 'x86-cpu-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 cpu updates from Ingo Molnar:
"The biggest changes are an extension of the Intel RDT code to extend
it with Intel Memory Bandwidth Allocation CPU support: MBA allows
bandwidth allocation between cores, while CBM (already upstream)
allows CPU cache partitioning.
There's also misc smaller fixes and updates"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/intel_rdt: Return error for incorrect resource names in schemata
x86/intel_rdt: Trim whitespace while parsing schemata input
x86/intel_rdt: Fix padding when resource is enabled via mount
x86/intel_rdt: Get rid of anon union
x86/cpu: Keep model defines sorted by model number
x86/intel_rdt/mba: Add schemata file support for MBA
x86/intel_rdt: Make schemata file parsers resource specific
x86/intel_rdt/mba: Add info directory files for Memory Bandwidth Allocation
x86/intel_rdt: Make information files resource specific
x86/intel_rdt/mba: Add primary support for Memory Bandwidth Allocation (MBA)
x86/intel_rdt/mba: Memory bandwith allocation feature detect
x86/intel_rdt: Add resource specific msr update function
x86/intel_rdt: Move CBM specific data into a struct
x86/intel_rdt: Cleanup namespace to support multiple resource types
Documentation, x86: Intel Memory bandwidth allocation
x86/intel_rdt: Organize code properly
x86/intel_rdt: Init padding only if a device exists
x86/intel_rdt: Add cpus_list rdtgroup file
x86/intel_rdt: Cleanup kernel-doc
x86/intel_rdt: Update schemata read to show data in tabular format
...
Linus Torvalds [Tue, 2 May 2017 03:51:12 +0000 (20:51 -0700)]
Merge branch 'x86-boot-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
"The biggest changes in this cycle were:
- reworking of the e820 code: separate in-kernel and boot-ABI data
structures and apply a whole range of cleanups to the kernel side.
No change in functionality.
- enable KASLR by default: it's used by all major distros and it's
out of the experimental stage as well.
- ... misc fixes and cleanups"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (63 commits)
x86/KASLR: Fix kexec kernel boot crash when KASLR randomization fails
x86/reboot: Turn off KVM when halting a CPU
x86/boot: Fix BSS corruption/overwrite bug in early x86 kernel startup
x86: Enable KASLR by default
boot/param: Move next_arg() function to lib/cmdline.c for later reuse
x86/boot: Fix Sparse warning by including required header file
x86/boot/64: Rename start_cpu()
x86/xen: Update e820 table handling to the new core x86 E820 code
x86/boot: Fix pr_debug() API braindamage
xen, x86/headers: Add <linux/device.h> dependency to <asm/xen/page.h>
x86/boot/e820: Simplify e820__update_table()
x86/boot/e820: Separate the E820 ABI structures from the in-kernel structures
x86/boot/e820: Fix and clean up e820_type switch() statements
x86/boot/e820: Rename the remaining E820 APIs to the e820__*() prefix
x86/boot/e820: Remove unnecessary #include's
x86/boot/e820: Rename e820_mark_nosave_regions() to e820__register_nosave_regions()
x86/boot/e820: Rename e820_reserve_resources*() to e820__reserve_resources*()
x86/boot/e820: Use bool in query APIs
x86/boot/e820: Document e820__reserve_setup_data()
x86/boot/e820: Clean up __e820__update_table() et al
...
David S. Miller [Tue, 2 May 2017 03:26:02 +0000 (20:26 -0700)]
sparc64: Fix BPF JIT wrt. branches and ldimm64 instructions.
Like other JITs, sparc64 maintains an array of instruction offsets but
stores the entries off by one. This is done because jumps to the
exit block are indexed to one past the last BPF instruction.
So if we size the array by the program length, we need to record
the previous instruction in order to stay within the array bounds.
This is explained in ARM JIT commit
8eee539ddea0 ("arm64: bpf: fix
out-of-bounds read in bpf2a64_offset()").
But this scheme requires a little bit of careful handling when
the instruction before the branch destination is a 64-bit load
immediate. It takes up 2 BPF instruction slots.
Therefore, we have to fill in the array entry for the second
half of the 64-bit load immediate instruction rather than for
the one for the beginning of that instruction.
Fixes:
7a12b5031c6b ("sparc64: Add eBPF JIT.")
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Tue, 2 May 2017 03:48:33 +0000 (20:48 -0700)]
Merge branch 'ras-core-for-linus' of git://git./linux/kernel/git/tip/tip
Pull RAS updates from Ingo Molnar:
"The main changes in this cycle were:
- add the 'Corrected Errors Collector' kernel feature which collect
and monitor correctable errors statistics and will preemptively
(soft-)offline physical pages that have a suspiciously high error
count.
- handle MCE errors during kexec() more gracefully
- factor out and deprecate the /dev/mcelog driver
- ... plus misc fixes and cleanpus"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Check MCi_STATUS[MISCV] for usable addr on Intel only
ACPI/APEI: Use setup_deferrable_timer()
x86/mce: Update notifier priority check
x86/mce: Enable PPIN for Knights Landing/Mill
x86/mce: Do not register notifiers with invalid prio
x86/mce: Factor out and deprecate the /dev/mcelog driver
RAS: Add a Corrected Errors Collector
x86/mce: Rename mce_log to mce_log_buffer
x86/mce: Rename mce_log()'s argument
x86/mce: Init some CPU features early
x86/mce: Handle broadcasted MCE gracefully with kexec
Linus Torvalds [Tue, 2 May 2017 03:23:17 +0000 (20:23 -0700)]
Merge branch 'perf-core-for-linus' of git://git./linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"The main changes in this cycle were:
Kernel side changes:
- Kprobes and uprobes changes:
- Make their trampolines read-only while they are used
- Make UPROBES_EVENTS default-y which is the distro practice
- Apply misc fixes and robustization to probe point insertion.
- add support for AMD IOMMU events
- extend hw events on Intel Goldmont CPUs
- ... plus misc fixes and updates.
Tooling side changes:
- support s390 jump instructions in perf annotate (Christian
Borntraeger)
- vendor hardware events updates (Andi Kleen)
- add argument support for SDT events in powerpc (Ravi Bangoria)
- beautify the statx syscall arguments in 'perf trace' (Arnaldo
Carvalho de Melo)
- handle inline functions in callchains (Jin Yao)
- enable sorting by srcline as key (Milian Wolff)
- add 'brstackinsn' field in 'perf script' to reuse the x86
instruction decoder used in the Intel PT code to study hot paths to
samples (Andi Kleen)
- add PERF_RECORD_NAMESPACES so that the kernel can record
information required to associate samples to namespaces, helping in
container problem characterization. (Hari Bathini)
- allow sorting by symbol_size in 'perf report' and 'perf top'
(Charles Baylis)
- in perf stat, make system wide (-a) the default option if no target
was specified and one of following conditions is met:
- no workload specified (current behaviour)
- a workload is specified but all requested events are system wide
ones, like uncore ones. (Jiri Olsa)
- ... plus lots of other updates, enhancements, cleanups and fixes"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (235 commits)
perf tools: Fix the code to strip command name
tools arch x86: Sync cpufeatures.h
tools arch: Sync arch/x86/lib/memcpy_64.S with the kernel
tools: Update asm-generic/mman-common.h copy from the kernel
perf tools: Use just forward declarations for struct thread where possible
perf tools: Add the right header to obtain PERF_ALIGN()
perf tools: Remove poll.h and wait.h from util.h
perf tools: Remove string.h, unistd.h and sys/stat.h from util.h
perf tools: Remove stale prototypes from builtin.h
perf tools: Remove string.h from util.h
perf tools: Remove sys/ioctl.h from util.h
perf tools: Remove a few more needless includes from util.h
perf tools: Include sys/param.h where needed
perf callchain: Move callchain specific routines from util.[ch]
perf tools: Add compress.h for the *_decompress_to_file() headers
perf mem: Fix display of data source snoop indication
perf debug: Move dump_stack() and sighandler_dump_stack() to debug.h
perf kvm: Make function only used by 'perf kvm' static
perf tools: Move timestamp routines from util.h to time-utils.h
perf tools: Move units conversion/formatting routines to separate object
...
Linus Torvalds [Tue, 2 May 2017 02:57:58 +0000 (19:57 -0700)]
Merge branch 'x86-process-for-linus' of git://git./linux/kernel/git/tip/tip
Pul x86/process updates from Ingo Molnar:
"The main change in this cycle was to add the ARCH_[GET|SET]_CPUID
prctl() ABI extension to control the availability of the CPUID
instruction, analogously to the existing PR_GET|SET_TSC ABI that
controls RDTSC.
Motivation: the 'rr' user-space record-and-replay execution debugger
would like to trap and emulate the CPUID instruction - which
instruction is normally unprivileged.
Trapping CPUID is possible on IvyBridge and later Intel CPUs - expose
this hardware capability"
* 'x86-process-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/syscalls/32: Ignore arch_prctl for other architectures
um/arch_prctl: Fix fallout from x86 arch_prctl() rework
x86/arch_prctl: Add ARCH_[GET|SET]_CPUID
x86/cpufeature: Detect CPUID faulting support
x86/syscalls/32: Wire up arch_prctl on x86-32
x86/arch_prctl: Add do_arch_prctl_common()
x86/arch_prctl/64: Rename do_arch_prctl() to do_arch_prctl_64()
x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl()
x86/arch_prctl: Rename 'code' argument to 'option'
x86/msr: Rename MISC_FEATURE_ENABLES to MISC_FEATURES_ENABLES
x86/process: Optimize TIF_NOTSC switch
x86/process: Correct and optimize TIF_BLOCKSTEP switch
x86/process: Optimize TIF checks in __switch_to_xtra()
Linus Torvalds [Tue, 2 May 2017 02:36:00 +0000 (19:36 -0700)]
Merge branch 'locking-core-for-linus' of git://git./linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"The main changes in this cycle were:
- a big round of FUTEX_UNLOCK_PI improvements, fixes, cleanups and
general restructuring
- lockdep updates such as new checks for lock_downgrade()
- introduce the new atomic_try_cmpxchg() locking API and use it to
optimize refcount code generation
- ... plus misc fixes, updates and cleanups"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits)
MAINTAINERS: Add FUTEX SUBSYSTEM
futex: Clarify mark_wake_futex memory barrier usage
futex: Fix small (and harmless looking) inconsistencies
futex: Avoid freeing an active timer
rtmutex: Plug preempt count leak in rt_mutex_futex_unlock()
rtmutex: Fix more prio comparisons
rtmutex: Fix PI chain order integrity
sched,tracing: Update trace_sched_pi_setprio()
sched/rtmutex: Refactor rt_mutex_setprio()
rtmutex: Clean up
sched/deadline/rtmutex: Dont miss the dl_runtime/dl_period update
sched/rtmutex/deadline: Fix a PI crash for deadline tasks
rtmutex: Deboost before waking up the top waiter
locking/ww-mutex: Limit stress test to 2 seconds
locking/atomic: Fix atomic_try_cmpxchg() semantics
lockdep: Fix per-cpu static objects
futex: Drop hb->lock before enqueueing on the rtmutex
futex: Futex_unlock_pi() determinism
futex: Rework futex_lock_pi() to use rt_mutex_*_proxy_lock()
futex,rt_mutex: Restructure rt_mutex_finish_proxy_lock()
...
Linus Torvalds [Tue, 2 May 2017 02:12:53 +0000 (19:12 -0700)]
Merge branch 'sched-core-for-linus' of git://git./linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"The main changes in this cycle were:
- another round of rq-clock handling debugging, robustization and
fixes
- PELT accounting improvements
- CPU hotplug related ->cpus_allowed affinity handling fixes all
around the tree
- ... plus misc fixes, cleanups and updates"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (35 commits)
sched/x86: Update reschedule warning text
crypto: N2 - Replace racy task affinity logic
cpufreq/sparc-us2e: Replace racy task affinity logic
cpufreq/sparc-us3: Replace racy task affinity logic
cpufreq/sh: Replace racy task affinity logic
cpufreq/ia64: Replace racy task affinity logic
ACPI/processor: Replace racy task affinity logic
ACPI/processor: Fix error handling in __acpi_processor_start()
sparc/sysfs: Replace racy task affinity logic
powerpc/smp: Replace open coded task affinity logic
ia64/sn/hwperf: Replace racy task affinity logic
ia64/salinfo: Replace racy task affinity logic
workqueue: Provide work_on_cpu_safe()
ia64/topology: Remove cpus_allowed manipulation
sched/fair: Move the PELT constants into a generated header
sched/fair: Increase PELT accuracy for small tasks
sched/fair: Fix comments
sched/Documentation: Add 'sched-pelt' tool
sched/fair: Fix corner case in __accumulate_sum()
sched/core: Remove 'task' parameter and rename tsk_restore_flags() to current_restore_flags()
...
Linus Torvalds [Tue, 2 May 2017 01:20:03 +0000 (18:20 -0700)]
Merge branch 'efi-core-for-linus' of git://git./linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- move BGRT handling to drivers/acpi so it can be shared between x86
and ARM
- bring the EFI stub's initrd and FDT allocation logic in line with
the latest changes to the arm64 boot protocol
- improvements and fixes to the EFI stub's command line parsing
routines
- randomize the virtual mapping of the UEFI runtime services on
ARM/arm64
- ... and other misc enhancements, cleanups and fixes"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub/arm: Don't use TASK_SIZE when randomizing the RT space
ef/libstub/arm/arm64: Randomize the base of the UEFI rt services region
efi/libstub/arm/arm64: Disable debug prints on 'quiet' cmdline arg
efi/libstub: Unify command line param parsing
efi/libstub: Fix harmless command line parsing bug
efi/arm32-stub: Allow boot-time allocations in the vmlinux region
x86/efi: Clean up a minor mistake in comment
efi/pstore: Return error code (if any) from efi_pstore_write()
efi/bgrt: Enable ACPI BGRT handling on arm64
x86/efi/bgrt: Move efi-bgrt handling out of arch/x86
efi/arm-stub: Round up FDT allocation to mapping size
efi/arm-stub: Correct FDT and initrd allocation rules for arm64