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Linus Torvalds
17bbc46fc9 gpio updates for v6.3 
Core GPIOLIB:
 - drop several OF interfaces after moving a significant part of the code to
   using software nodes
 - remove more interfaces referring to the global GPIO numberspace that we're
   getting rid of
 - improvements in the gpio-regmap library
 - add helper for GPIO device reference counting
 - remove unused APIs
 - minor tweaks like sorting headers alphabetically
 
 Extended support in existing drivers:
 - add support for Tegra 234 PMC to gpio-tegra186
 
 Driver improvements:
 - migrate the 104-dio/idi family of drivers to using the regmap-irq API
 - migrate gpio-i8255 and gpio-mm to the GPIO regmap API
 - clean-ups in gpio-pca953x
 - remove duplicate assignments of of_gpio_n_cells in gpio-davinci, gpio-ge,
   gpio-xilinx, gpio-zevio and gpio-wcd934x
 - improvements to gpio-pcf857x: implement get/set_multiple callbacks, use
   generic device properties instead of OF + minor tweaks
 - fix OF-related header includes and Kconfig dependencies in gpio-zevio
 - dynamically allocate the GPIO base in gpio-omap
 - use a dedicated printf specifier for printing fwnode info in gpio-sim
 - use dev_name() for the GPIO chip label in gpio-vf610
 - other minor tweaks and fixes
 
 Documentation:
 - remove mentions of legacy API from comments in various places
 - convert the DT binding documents to YAML schema for Fujitsu MB86S7x, Unisoc
   GPIO and Unisoc EIC
 - document the Unisoc UMS512 controller in DT bindings
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Merge tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "A rather small update, there are no new drivers, just improvements and
  refactoring in existing ones.

  Thanks to migrating of several drivers to using generalized APIs and
  dropping of OF interfaces in favor of using software nodes we're
  actually removing more code than we're adding.

  Core GPIOLIB:
   - drop several OF interfaces after moving a significant part of the
     code to using software nodes
   - remove more interfaces referring to the global GPIO numberspace
     that we're getting rid of
   - improvements in the gpio-regmap library
   - add helper for GPIO device reference counting
   - remove unused APIs
   - minor tweaks like sorting headers alphabetically

  Extended support in existing drivers:
   - add support for Tegra 234 PMC to gpio-tegra186

  Driver improvements:
   - migrate the 104-dio/idi family of drivers to using the regmap-irq
     API
   - migrate gpio-i8255 and gpio-mm to the GPIO regmap API
   - clean-ups in gpio-pca953x
   - remove duplicate assignments of of_gpio_n_cells in gpio-davinci,
     gpio-ge, gpio-xilinx, gpio-zevio and gpio-wcd934x
   - improvements to gpio-pcf857x: implement get/set_multiple callbacks,
     use generic device properties instead of OF + minor tweaks
   - fix OF-related header includes and Kconfig dependencies in
     gpio-zevio
   - dynamically allocate the GPIO base in gpio-omap
   - use a dedicated printf specifier for printing fwnode info in
     gpio-sim
   - use dev_name() for the GPIO chip label in gpio-vf610
   - other minor tweaks and fixes

  Documentation:
   - remove mentions of legacy API from comments in various places
   - convert the DT binding documents to YAML schema for Fujitsu
     MB86S7x, Unisoc GPIO and Unisoc EIC
   - document the Unisoc UMS512 controller in DT bindings"

* tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (54 commits)
  gpio: sim: Use %pfwP specifier instead of calling fwnode API directly
  gpio: tegra186: remove unneeded loop in tegra186_gpio_init_route_mapping()
  gpiolib: of: Move enum of_gpio_flags to its only user
  gpio: mvebu: Use IS_REACHABLE instead of IS_ENABLED for CONFIG_PWM
  gpio: zevio: Add missing header
  gpio: Get rid of gpio_to_chip()
  gpio: pcf857x: Drop unneeded explicit casting
  gpio: pcf857x: Make use of device properties
  gpio: pcf857x: Get rid of legacy platform data
  gpio: rockchip: Do not mention legacy API in the code
  gpio: wcd934x: Remove duplicate assignment of of_gpio_n_cells
  gpio: zevio: Use proper headers and drop OF_GPIO dependency
  gpio: zevio: Remove duplicate assignment of of_gpio_n_cells
  gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
  dt-bindings: gpio: Add compatible string for Unisoc UMS512
  dt-bindings: gpio: Convert Unisoc EIC controller binding to yaml
  dt-bindings: gpio: Convert Unisoc GPIO controller binding to yaml
  gpio: ge: Remove duplicate assignment of of_gpio_n_cells
  gpio: davinci: Remove duplicate assignment of of_gpio_n_cells
  gpio: omap: use dynamic allocation of base
  ...
 2023-02-22 11:01:17 -08:00
Linus Torvalds
13e574b494 spi: Updates for v6.3 
This has been a fairly quiet release for SPI, though it is likely that
 the next release will have some big changes as there's some preparatory
 work for multiple chip select support gone in - the rest of the code is
 on the list but will need to be rebased onto -rc1.  Otherwise there's a couple
 of new tunables for chip select timings, some new devices and smaller
 device specific updates and fixes.
 
  - Support for configuring the hold and minimum inactive times for chip
    selects.
  - Beginnings of support for supporting devices which have multiple chip
    selects on a single device.
  - Support for newer Broadcom HSSPI and Intel controllers, Silicon Labs
    EM3581 and SI3210.
 
 There is a simple add/add conflict in MAINTAINERS with the I2C tree.
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Merge tag 'spi-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "This has been a fairly quiet release for SPI, though it is likely that
  the next release will have some big changes as there's some
  preparatory work for multiple chip select support gone in - the rest
  of the code is on the list but will need to be rebased onto -rc1.
  Otherwise there's a couple of new tunables for chip select timings,
  some new devices and smaller device specific updates and fixes.

   - Support for configuring the hold and minimum inactive times for
     chip selects.

   - Beginnings of support for supporting devices which have multiple
     chip selects on a single device.

   - Support for newer Broadcom HSSPI and Intel controllers, Silicon
     Labs EM3581 and SI3210"

* tag 'spi-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (67 commits)
  spi: dt-bindings: qcom,spi-qcom-qspi: document OPP and power-domains
  spi: spidev: drop the incorrect notice from Kconfig
  spi: bcm63xx-hsspi: fix error code in probe
  spi: bcmbca-hsspi: Fix error code in probe() function
  spi: synquacer: Fix timeout handling in synquacer_spi_transfer_one()
  spi: intel: Check number of chip selects after reading the descriptor
  spi: xilinx: add force_irq for QSPI mode
  spi: spi-st-ssc: convert to DT schema
  spi: Reorder fields in 'struct spi_transfer'
  spi: cadence-quadspi: use STIG mode for small reads
  spi: cadence-quadspi: setup ADDR Bits in cmd reads
  spi: cadence-quadspi: Add flag for direct mode writes
  spi: cadence-quadspi: Reset CMD_CTRL Reg on cmd r/w completion
  MAINTAINERS: Remove file reference for Broadcom Broadband SoC HS SPI driver entry
  spi: bcm63xx-hsspi: bcmbca-hsspi: fix _be16 type usage
  MAINTAINERS: Add entry for Broadcom Broadband SoC HS SPI drivers
  spi: bcmbca-hsspi: Add driver for newer HSSPI controller
  spi: bcm63xx-hsspi: Disable spi mem dual io read op support
  spi: spi-mem: Allow controller supporting mem_ops without exec_op
  spi: bcm63xx-hsspi: Add prepend mode support
  ...
 2023-02-22 10:53:37 -08:00
Linus Torvalds
0175ec3a28 regulator: Updates for v6.3 
This has been a very quiet release for the regulator API, there's one
 new driver for the Maxim MAX20411, some DT schema conversions and some
 small tweaks and improvements but really nothing major at all.
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Merge tag 'regulator-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This has been a very quiet release for the regulator API: there's one
  new driver for the Maxim MAX20411, some DT schema conversions and some
  small tweaks and improvements but really nothing major at all"

* tag 'regulator-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (22 commits)
  regulator: max597x: Align for simple_mfd_i2c driver
  regulator: max20411: Fix off-by-one for n_voltages setting
  regulator: max597x: Remove unused variable
  regulator: tps65219: use generic set_bypass()
  regulator: s5m8767: Bounds check id indexing into arrays
  regulator: max77802: Bounds check regulator id against opmode
  regulator: max20411: Convert to i2c's .probe_new()
  regulator: scmi: Allow for zero voltage domains
  regulator: max20411: Directly include bitfield.h
  regulator: Introduce Maxim MAX20411 Step-Down converter
  regulator: dt-bindings: Describe Maxim MAX20411
  regulator: dt-bindings: qcom-labibb: Allow regulator-common properties
  regulator: dt-bindings: fixed-regulator: allow gpios property
  regulator: tps65219: use IS_ERR() to detect an error pointer
  regulator: mcp16502: add enum MCP16502_REG_HPM description
  regulator: fixed-helper: use the correct function name in comment
  regulator: act8945a: fix non-kernel-doc comments
  dt-bindings: regulators: convert non-smd RPM Regulators bindings to dt-schema
  regulator: dt-bindings: Convert Fairchild FAN53555 to DT schema
  regulator: dt-bindings: qcom,usb-vbus-regulator: change node name
  ...
 2023-02-22 10:49:32 -08:00
Linus Torvalds
603ac530f1 regmap: Updates for v6.3 
A quiet release for regmap, we've seen several cleanups, an update for a
 change in the MDIO APIs and one small fix.
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Merge tag 'regmap-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "A quiet release for regmap: we've seen several cleanups, an update for
  a change in the MDIO APIs and one small fix"

* tag 'regmap-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap-irq: Remove unused mask_invert flag
  regmap-irq: Remove unused type_invert flag
  regmap: Reorder fields in 'struct regmap_bus' to save some memory
  regmap: apply reg_base and reg_downshift for single register ops
 2023-02-22 10:42:55 -08:00
Linus Torvalds
064d7dcf51 sound updates for 6.3-rc1 
The majority of works in this cycle are about ASoC spread over trees.
 Most of them are for new devices and cleanups / refactoring works,
 and not much significant changes are seen in the core side.
 Below are some highlights:
 
 ASoC:
 - Continued refactoring to move into common helper functions
 - Lots of DT schema conversons and stylistic nits
 - Continued work on building out the new SOF IPC4 scheme
 - Continued work for Intel AVS
 - New drivers for Awinc AT88395, Infineon PEB2466, Iron Device
   SMA1303, Mediatek MT8188, Realtek RT712, Renesas IDT821034,
   Samsung/Tesla FSD SoC I2S, and TI TAS5720A-Q1
 
 ALSA:
 - A few cleanups to make the remove callbacks to void returns
 - FireWire refactoring and enhancements
 - PCM kselftest enhancements
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Merge tag 'sound-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "The majority of works in this cycle are about ASoC spread over trees.
  Most of them are for new devices and cleanups / refactoring works, and
  not much significant changes are seen in the core side.

  Below are some highlights:

  ASoC:

   - Continued refactoring to move into common helper functions

   - Lots of DT schema conversons and stylistic nits

   - Continued work on building out the new SOF IPC4 scheme

   - Continued work for Intel AVS

   - New drivers for Awinc AT88395, Infineon PEB2466, Iron Device
     SMA1303, Mediatek MT8188, Realtek RT712, Renesas IDT821034,
     Samsung/Tesla FSD SoC I2S, and TI TAS5720A-Q1

  ALSA:

   - A few cleanups to make the remove callbacks to void returns

   - FireWire refactoring and enhancements

   - PCM kselftest enhancements"

* tag 'sound-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (398 commits)
  ALSA: hda/hdmi: Register with vga_switcheroo on Dual GPU Macbooks
  ASoC: soc-ac97: Return correct error codes
  ASoC: soc-dapm.h: fixup warning struct snd_pcm_substream not declared
  ASoC: cs35l45: Remove separate namespace for tables
  ASoC: cs35l45: Remove separate tables module
  ASoC: soc-ac97: Convert to agnostic GPIO API
  ASoC: dt-bindings: renesas,rsnd.yaml: drop "dmas/dma-names" from "rcar_sound,ssi"
  ALSA: hda: cs35l41: Enable Amp High Pass Filter
  ALSA: hda: cs35l41: Ensure firmware/tuning pairs are always loaded
  ALSA: hda: cs35l41: Correct error condition handling
  ASoC: codecs: wcd934x: Use min macro for comparison and assignment
  ASoC: Intel: Skylake: Fix struct definition
  ASoC: tlv320adcx140: extend list of supported samplerates
  ASoC: imx-pcm-rpmsg: Remove unused variable
  SoC: rt5682s: Disable jack detection interrupt during suspend
  ASoC: SOF: Intel: hda-dsp: Set streaming flag for d0i3
  ASoC: SOF: Intel: Enable d0i3 work for ipc4
  ASoC: SOF: ipc4: Wake up dsp core before sending ipc msg
  ASoC: SOF: Intel: hda-dsp: use set_pm_gate according to ipc version
  ASoC: SOF: Introduce a new set_pm_gate() IPC PM op
  ...
 2023-02-22 10:29:05 -08:00
Linus Torvalds
f3dd0c5337 bpf: add missing header file include 
Commit 74e19ef0ff ("uaccess: Add speculation barrier to
copy_from_user()") built fine on x86-64 and arm64, and that's the extent
of my local build testing.

It turns out those got the <linux/nospec.h> include incidentally through
other header files (<linux/kvm_host.h> in particular), but that was not
true of other architectures, resulting in build errors

  kernel/bpf/core.c: In function ‘___bpf_prog_run’:
  kernel/bpf/core.c:1913:3: error: implicit declaration of function ‘barrier_nospec’

so just make sure to explicitly include the proper <linux/nospec.h>
header file to make everybody see it.

Fixes: 74e19ef0ff ("uaccess: Add speculation barrier to copy_from_user()")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Viresh Kumar <viresh.kumar@linaro.org>
Reported-by: Huacai Chen <chenhuacai@loongson.cn>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2023-02-22 09:52:32 -08:00
Linus Torvalds
5b7c4cabbb Networking changes for 6.3. 
Core
 ----
 
  - Add dedicated kmem_cache for typical/small skb->head, avoid having
    to access struct page at kfree time, and improve memory use.
 
  - Introduce sysctl to set default RPS configuration for new netdevs.
 
  - Define Netlink protocol specification format which can be used
    to describe messages used by each family and auto-generate parsers.
    Add tools for generating kernel data structures and uAPI headers.
 
  - Expose all net/core sysctls inside netns.
 
  - Remove 4s sleep in netpoll if carrier is instantly detected on boot.
 
  - Add configurable limit of MDB entries per port, and port-vlan.
 
  - Continue populating drop reasons throughout the stack.
 
  - Retire a handful of legacy Qdiscs and classifiers.
 
 Protocols
 ---------
 
  - Support IPv4 big TCP (TSO frames larger than 64kB).
 
  - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
    on socket by socket basis.
 
  - Track and report in procfs number of MPTCP sockets used.
 
  - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP
    path manager.
 
  - IPv6: don't check net.ipv6.route.max_size and rely on garbage
    collection to free memory (similarly to IPv4).
 
  - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).
 
  - ICMP: add per-rate limit counters.
 
  - Add support for user scanning requests in ieee802154.
 
  - Remove static WEP support.
 
  - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
    reporting.
 
  - WiFi 7 EHT channel puncturing support (client & AP).
 
 BPF
 ---
 
  - Add a rbtree data structure following the "next-gen data structure"
    precedent set by recently added linked list, that is, by using
    kfunc + kptr instead of adding a new BPF map type.
 
  - Expose XDP hints via kfuncs with initial support for RX hash and
    timestamp metadata.
 
  - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key
    to better support decap on GRE tunnel devices not operating
    in collect metadata.
 
  - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.
 
  - Remove the need for trace_printk_lock for bpf_trace_printk
    and bpf_trace_vprintk helpers.
 
  - Extend libbpf's bpf_tracing.h support for tracing arguments of
    kprobes/uprobes and syscall as a special case.
 
  - Significantly reduce the search time for module symbols
    by livepatch and BPF.
 
  - Enable cpumasks to be used as kptrs, which is useful for tracing
    programs tracking which tasks end up running on which CPUs in
    different time intervals.
 
  - Add support for BPF trampoline on s390x and riscv64.
 
  - Add capability to export the XDP features supported by the NIC.
 
  - Add __bpf_kfunc tag for marking kernel functions as kfuncs.
 
  - Add cgroup.memory=nobpf kernel parameter option to disable BPF
    memory accounting for container environments.
 
 Netfilter
 ---------
 
  - Remove the CLUSTERIP target. It has been marked as obsolete
    for years, and we still have WARN splats wrt. races of
    the out-of-band /proc interface installed by this target.
 
  - Add 'destroy' commands to nf_tables. They are identical to
    the existing 'delete' commands, but do not return an error if
    the referenced object (set, chain, rule...) did not exist.
 
 Driver API
 ----------
 
  - Improve cpumask_local_spread() locality to help NICs set the right
    IRQ affinity on AMD platforms.
 
  - Separate C22 and C45 MDIO bus transactions more clearly.
 
  - Introduce new DCB table to control DSCP rewrite on egress.
 
  - Support configuration of Physical Layer Collision Avoidance (PLCA)
    Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
    shared medium Ethernet.
 
  - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
    preemption of low priority frames by high priority frames.
 
  - Add support for controlling MACSec offload using netlink SET.
 
  - Rework devlink instance refcounts to allow registration and
    de-registration under the instance lock. Split the code into multiple
    files, drop some of the unnecessarily granular locks and factor out
    common parts of netlink operation handling.
 
  - Add TX frame aggregation parameters (for USB drivers).
 
  - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
    messages with notifications for debug.
 
  - Allow offloading of UDP NEW connections via act_ct.
 
  - Add support for per action HW stats in TC.
 
  - Support hardware miss to TC action (continue processing in SW from
    a specific point in the action chain).
 
  - Warn if old Wireless Extension user space interface is used with
    modern cfg80211/mac80211 drivers. Do not support Wireless Extensions
    for Wi-Fi 7 devices at all. Everyone should switch to using nl80211
    interface instead.
 
  - Improve the CAN bit timing configuration. Use extack to return error
    messages directly to user space, update the SJW handling, including
    the definition of a new default value that will benefit CAN-FD
    controllers, by increasing their oscillator tolerance.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - nVidia BlueField-3 support (control traffic driver)
    - Ethernet support for imx93 SoCs
    - Motorcomm yt8531 gigabit Ethernet PHY
    - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
    - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
    - Amlogic gxl MDIO mux
 
  - WiFi:
    - RealTek RTL8188EU (rtl8xxxu)
    - Qualcomm Wi-Fi 7 devices (ath12k)
 
  - CAN:
    - Renesas R-Car V4H
 
 Drivers
 -------
 
  - Bluetooth:
    - Set Per Platform Antenna Gain (PPAG) for Intel controllers.
 
  - Ethernet NICs:
    - Intel (1G, igc):
      - support TSN / Qbv / packet scheduling features of i226 model
    - Intel (100G, ice):
      - use GNSS subsystem instead of TTY
      - multi-buffer XDP support
      - extend support for GPIO pins to E823 devices
    - nVidia/Mellanox:
      - update the shared buffer configuration on PFC commands
      - implement PTP adjphase function for HW offset control
      - TC support for Geneve and GRE with VF tunnel offload
      - more efficient crypto key management method
      - multi-port eswitch support
    - Netronome/Corigine:
      - add DCB IEEE support
      - support IPsec offloading for NFP3800
    - Freescale/NXP (enetc):
      - enetc: support XDP_REDIRECT for XDP non-linear buffers
      - enetc: improve reconfig, avoid link flap and waiting for idle
      - enetc: support MAC Merge layer
    - Other NICs:
      - sfc/ef100: add basic devlink support for ef100
      - ionic: rx_push mode operation (writing descriptors via MMIO)
      - bnxt: use the auxiliary bus abstraction for RDMA
      - r8169: disable ASPM and reset bus in case of tx timeout
      - cpsw: support QSGMII mode for J721e CPSW9G
      - cpts: support pulse-per-second output
      - ngbe: add an mdio bus driver
      - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
      - r8152: handle devices with FW with NCM support
      - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
      - virtio-net: support multi buffer XDP
      - virtio/vsock: replace virtio_vsock_pkt with sk_buff
      - tsnep: XDP support
 
  - Ethernet high-speed switches:
    - nVidia/Mellanox (mlxsw):
      - add support for latency TLV (in FW control messages)
    - Microchip (sparx5):
      - separate explicit and implicit traffic forwarding rules, make
        the implicit rules always active
      - add support for egress DSCP rewrite
      - IS0 VCAP support (Ingress Classification)
      - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.)
      - ES2 VCAP support (Egress Access Control)
      - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1)
 
  - Ethernet embedded switches:
    - Marvell (mv88e6xxx):
      - add MAB (port auth) offload support
      - enable PTP receive for mv88e6390
    - NXP (ocelot):
      - support MAC Merge layer
      - support for the the vsc7512 internal copper phys
    - Microchip:
      - lan9303: convert to PHYLINK
      - lan966x: support TC flower filter statistics
      - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
      - lan937x: support Credit Based Shaper configuration
      - ksz9477: support Energy Efficient Ethernet
    - other:
      - qca8k: convert to regmap read/write API, use bulk operations
      - rswitch: Improve TX timestamp accuracy
 
  - Intel WiFi (iwlwifi):
    - EHT (Wi-Fi 7) rate reporting
    - STEP equalizer support: transfer some STEP (connection to radio
      on platforms with integrated wifi) related parameters from the
      BIOS to the firmware.
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - IPQ5018 support
    - Fine Timing Measurement (FTM) responder role support
    - channel 177 support
 
  - MediaTek WiFi (mt76):
    - per-PHY LED support
    - mt7996: EHT (Wi-Fi 7) support
    - Wireless Ethernet Dispatch (WED) reset support
    - switch to using page pool allocator
 
  - RealTek WiFi (rtw89):
    - support new version of Bluetooth co-existance
 
  - Mobile:
    - rmnet: support TX aggregation.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...
 2023-02-21 18:24:12 -08:00
Linus Torvalds
36289a03bc This update includes the following changes: 
API:
 
 - Use kmap_local instead of kmap_atomic.
 - Change request callback to take void pointer.
 - Print FIPS status in /proc/crypto (when enabled).
 
 Algorithms:
 
 - Add rfc4106/gcm support on arm64.
 - Add ARIA AVX2/512 support on x86.
 
 Drivers:
 
 - Add TRNG driver for StarFive SoC.
 - Delete ux500/hash driver (subsumed by stm32/hash).
 - Add zlib support in qat.
 - Add RSA support in aspeed.
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Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto update from Herbert Xu:
 "API:
   - Use kmap_local instead of kmap_atomic
   - Change request callback to take void pointer
   - Print FIPS status in /proc/crypto (when enabled)

  Algorithms:
   - Add rfc4106/gcm support on arm64
   - Add ARIA AVX2/512 support on x86

  Drivers:
   - Add TRNG driver for StarFive SoC
   - Delete ux500/hash driver (subsumed by stm32/hash)
   - Add zlib support in qat
   - Add RSA support in aspeed"

* tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (156 commits)
  crypto: x86/aria-avx - Do not use avx2 instructions
  crypto: aspeed - Fix modular aspeed-acry
  crypto: hisilicon/qm - fix coding style issues
  crypto: hisilicon/qm - update comments to match function
  crypto: hisilicon/qm - change function names
  crypto: hisilicon/qm - use min() instead of min_t()
  crypto: hisilicon/qm - remove some unused defines
  crypto: proc - Print fips status
  crypto: crypto4xx - Call dma_unmap_page when done
  crypto: octeontx2 - Fix objects shared between several modules
  crypto: nx - Fix sparse warnings
  crypto: ecc - Silence sparse warning
  tls: Pass rec instead of aead_req into tls_encrypt_done
  crypto: api - Remove completion function scaffolding
  tls: Remove completion function scaffolding
  tipc: Remove completion function scaffolding
  net: ipv6: Remove completion function scaffolding
  net: ipv4: Remove completion function scaffolding
  net: macsec: Remove completion function scaffolding
  dm: Remove completion function scaffolding
  ...
 2023-02-21 18:10:50 -08:00
Linus Torvalds
69308402ca platform-drivers-x86 for v6.3-1 
Highlights:
  -  AMD PMC: Improvements to aid s2idle debugging
  -  Dell WMI-DDV: hwmon support
  -  INT3472 camera sensor power-management: Improve privacy LED support
  -  Intel VSEC: Base TPMI (Topology Aware Register and PM Capsule Interface) support
  -  Mellanox: SN5600 and Nvidia L1 switch support
  -  Microsoft Surface Support: Various cleanups + code improvements
  -  tools/intel-speed-select: Various improvements
  -  Miscellaneous other cleanups / fixes
 
 The following is an automated git shortlog grouped by driver:
 
 Add include/linux/platform_data/x86 to MAINTAINERS:
  -  Add include/linux/platform_data/x86 to MAINTAINERS
 
 Documentation/ABI:
  -  Add new attribute for mlxreg-io sysfs interfaces
 
 Fix header inclusion in linux/platform_data/x86/soc.h:
  -  Fix header inclusion in linux/platform_data/x86/soc.h
 
 HID:
  -  surface-hid: Use target-ID enum instead of hard-coding values
 
 MAINTAINERS:
  -  dell-wmi-sysman: drop Divya Bharathi
  -  Add entry for TPMI driver
 
 Merge tag 'ib-leds-led_get-v6.3' into HEAD:
  - Merge tag 'ib-leds-led_get-v6.3' into HEAD
 
 acerhdf:
  -  Drop empty platform remove function
 
 apple_gmux:
  -  Drop no longer used ACPI_VIDEO Kconfig dependency
 
 dell-ddv:
  -  Prefer asynchronous probing
  -  Add hwmon support
  -  Add "force" module param
  -  Replace EIO with ENOMSG
  -  Return error if buffer is empty
  -  Add support for interface version 3
 
 dell-smo8800:
  -  Use min_t() for comparison and assignment
 
 dell-wmi-sysman:
  -  Make kobj_type structure constant
 
 hp-wmi:
  -  Ignore Win-Lock key events
 
 int1092:
  -  Switch to use acpi_evaluate_dsm_typed()
 
 int3472/discrete:
  -  add LEDS_CLASS dependency
  -  Drop unnecessary obj->type == string check
  -  Get the polarity from the _DSM entry
  -  Move GPIO request to skl_int3472_register_clock()
  -  Create a LED class device for the privacy LED
  -  Refactor GPIO to sensor mapping
 
 intel:
  -  punit_ipc: Drop empty platform remove function
  -  oaktrail: Drop empty platform remove function
 
 intel/pmc:
  -  Switch to use acpi_evaluate_dsm_typed()
 
 leds:
  -  led-class: Add generic [devm_]led_get()
  -  led-class: Add __devm_led_get() helper
  -  led-class: Add led_module_get() helper
  -  led-class: Add missing put_device() to led_put()
 
 media:
  -  v4l2-core: Make the v4l2-core code enable/disable the privacy LED if present
 
 nvidia-wmi-ec-backlight:
  -  Add force module parameter
 
 platform:
  -  mellanox: mlx-platform: Move bus shift assignment out of the loop
  -  mellanox: mlx-platform: Add mux selection register to regmap
  -  mellanox: Extend all systems with I2C notification callback
  -  mellanox: Split logic in init and exit flow
  -  mellanox: Split initialization procedure
  -  mellanox: Introduce support of new Nvidia L1 switch
  -  mellanox: Introduce support for next-generation 800GB/s switch
  -  mellanox: Cosmetic changes - rename to more common name
  -  mellanox: Change "reset_pwr_converter_fail" attribute
  -  mellanox: Introduce support for rack manager switch
 
 platform/mellanox:
  -  mlxreg-hotplug: Allow more flexible hotplug events configuration
 
 platform/surface:
  -  Switch to use acpi_evaluate_dsm_typed()
  -  aggregator: Rename top-level request functions to avoid ambiguities
  -  aggregator_registry: Fix target-ID of base-hub
  -  aggregator: Enforce use of target-ID enum in device ID macros
  -  dtx: Use target-ID enum instead of hard-coding values
  -  aggregator_tabletsw: Use target-ID enum instead of hard-coding values
  -  aggregator_hub: Use target-ID enum instead of hard-coding values
  -  aggregator: Add target and source IDs to command trace events
  -  aggregator: Improve documentation and handling of message target and source IDs
 
 platform/x86/amd:
  -  pmc: Add line break for readability
  -  pmc: differentiate STB/SMU messaging prints
  -  pmc: Write dummy postcode into the STB DRAM
  -  pmc: Add num_samples message id support to STB
 
 platform/x86/amd/pmf:
  -  Add depends on CONFIG_POWER_SUPPLY
 
 platform/x86/intel:
  -  Intel TPMI enumeration driver
 
 platform/x86/intel/tpmi:
  -  ADD tpmi external interface for tpmi feature drivers
  -  Process CPU package mapping
 
 platform/x86/intel/vsec:
  -  Use mutex for ida_alloc() and ida_free()
  -  Support private data
  -  Enhance and Export intel_vsec_add_aux()
  -  Add TPMI ID
 
 platform_data/mlxreg:
  -  Add field with mapped resource address
 
 think-lmi:
  -  Make kobj_type structure constant
  -  Use min_t() for comparison and assignment
 
 tools/power/x86/intel-speed-select:
  -  v1.14 release
  -  Adjust uncore max/min frequency
  -  Add Emerald Rapid quirk
  -  Fix display of uncore min frequency
  -  turbo-freq auto mode with SMT off
  -  cpufreq reads on offline CPUs
  -  Use null-terminated string
  -  Remove duplicate dup()
  -  Handle open() failure case
  -  Remove unused non_block flag
  -  Remove wrong check in set_isst_id()
 
 x86/platform/uv:
  -  Make kobj_type structure constant
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Merge tag 'platform-drivers-x86-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - AMD PMC: Improvements to aid s2idle debugging

 - Dell WMI-DDV: hwmon support

 - INT3472 camera sensor power-management: Improve privacy LED support

 - Intel VSEC: Base TPMI (Topology Aware Register and PM Capsule
   Interface) support

 - Mellanox: SN5600 and Nvidia L1 switch support

 - Microsoft Surface Support: Various cleanups + code improvements

 - tools/intel-speed-select: Various improvements

 - Miscellaneous other cleanups / fixes

* tag 'platform-drivers-x86-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (80 commits)
  platform/x86: nvidia-wmi-ec-backlight: Add force module parameter
  platform/x86/amd/pmf: Add depends on CONFIG_POWER_SUPPLY
  platform/x86: dell-ddv: Prefer asynchronous probing
  platform/x86: dell-ddv: Add hwmon support
  Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
  platform: mellanox: mlx-platform: Move bus shift assignment out of the loop
  platform: mellanox: mlx-platform: Add mux selection register to regmap
  platform_data/mlxreg: Add field with mapped resource address
  platform/mellanox: mlxreg-hotplug: Allow more flexible hotplug events configuration
  platform: mellanox: Extend all systems with I2C notification callback
  platform: mellanox: Split logic in init and exit flow
  platform: mellanox: Split initialization procedure
  platform: mellanox: Introduce support of new Nvidia L1 switch
  platform: mellanox: Introduce support for next-generation 800GB/s switch
  platform: mellanox: Cosmetic changes - rename to more common name
  platform: mellanox: Change "reset_pwr_converter_fail" attribute
  platform: mellanox: Introduce support for rack manager switch
  MAINTAINERS: dell-wmi-sysman: drop Divya Bharathi
  x86/platform/uv: Make kobj_type structure constant
  platform/x86: think-lmi: Make kobj_type structure constant
  ...
 2023-02-21 17:32:50 -08:00
Linus Torvalds
5f5ce6bcfc chrome platform changes for 6.3 
* New drivers
 
   - Driver cros_ec_uart for ChromeOS EC protocol over UART.
   - Driver cros_typec_vdm for USB PD Vendor Defined Message.
 
 * Improvements
 
   - Preserve logs as much as possible when EC panic.
   - Shutdown to refrain from potential HW damages when EC panic.
 
 * Fixes
 
   - Fix DP_PORT_VDO to include DP_CAP_RECEPTACLE.
   - Fix a lockdep false positive.
 
 * Cleanups
 
   - Use sysfs_emit*() instead of scnprintf().
   - Use asm instead of asm-generic for unaligned.h.
 
 * Misc
 
   - Rename module name from cros_ec_typec to cros-ec-typec.
   - Minor fixes.
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Merge tag 'tag-chrome-platform-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:
 "New drivers:
   - cros_ec_uart for ChromeOS EC protocol over UART
   - cros_typec_vdm for USB PD Vendor Defined Message

  Improvements:
   - Preserve logs as much as possible when EC panics
   - Shutdown to refrain from potential HW damages when EC panics

  Fixes:
   - Fix DP_PORT_VDO to include DP_CAP_RECEPTACLE
   - Fix a lockdep false positive

  Cleanups:
   - Use sysfs_emit*() instead of scnprintf()
   - Use asm instead of asm-generic for unaligned.h

  Misc:
   - Rename module name from cros_ec_typec to cros-ec-typec
   - Minor fixes"

* tag 'tag-chrome-platform-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (34 commits)
  platform/chrome: cros_ec_typec: Fix spelling mistake
  platform/chrome: cros_typec_vdm: Add Attention support
  platform/chrome: cros_ec: Add VDM attention headers
  platform/chrome: cros_typec_vdm: Fix VDO copy
  platform/chrome: cros_ec_typec: allow deferred probe of switch handles
  platform/chrome: cros_ec_proto: remove big stub objects from stack
  platform/chrome: cros_ec_uart: fix negative type promoted to high
  platform/chrome: cros_ec: Use per-device lockdep key
  platform/chrome: fix kernel-doc warnings for cros_ec_command
  platform/chrome: fix kernel-doc warning for last_resume_result
  platform/chrome: fix kernel-doc warning for suspend_timeout_ms
  platform/chrome: fix kernel-doc warnings for panic notifier
  platform/chrome: cros_ec_lpc: initialize the buf variable
  platform/chrome: cros_ec: Fix panic notifier registration
  platform/chrome: cros_typec_switch: Check for retimer flag
  platform/chrome: cros_typec_switch: Use fwnode* prop check
  platform/chrome: cros_typec_vdm: Add VDM send support
  platform/chrome: cros_typec_vdm: Add VDM reply support
  platform/chrome: cros_ec_typec: Add initial VDM support
  platform/chrome: cros_ec_typec: Alter module name with hyphens
  ...
 2023-02-21 17:23:39 -08:00
Linus Torvalds
239451e903 xen: branch for v6.3-rc1 
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Merge tag 'for-linus-6.3-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - help deprecate the /proc/xen files by making the related information
   available via sysfs

 - mark the Xen variants of play_dead "noreturn"

 - support a shared Xen platform interrupt

 - several small cleanups and fixes

* tag 'for-linus-6.3-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: sysfs: make kobj_type structure constant
  x86/Xen: drop leftover VM-assist uses
  xen: Replace one-element array with flexible-array member
  xen/grant-dma-iommu: Implement a dummy probe_device() callback
  xen/pvcalls-back: fix permanently masked event channel
  xen: Allow platform PCI interrupt to be shared
  x86/xen/time: prefer tsc as clocksource when it is invariant
  x86/xen: mark xen_pv_play_dead() as __noreturn
  x86/xen: don't let xen_pv_play_dead() return
  drivers/xen/hypervisor: Expose Xen SIF flags to userspace
 2023-02-21 17:07:39 -08:00
Linus Torvalds
b8878e5a5c hyperv-next for v6.3. 
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Merge tag 'hyperv-next-signed-20230220' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - allow Linux to run as the nested root partition for Microsoft
   Hypervisor (Jinank Jain and Nuno Das Neves)

 - clean up the return type of callback functions (Dawei Li)

* tag 'hyperv-next-signed-20230220' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  x86/hyperv: Fix hv_get/set_register for nested bringup
  Drivers: hv: Make remove callback of hyperv driver void returned
  Drivers: hv: Enable vmbus driver for nested root partition
  x86/hyperv: Add an interface to do nested hypercalls
  Drivers: hv: Setup synic registers in case of nested root partition
  x86/hyperv: Add support for detecting nested hypervisor
 2023-02-21 16:59:23 -08:00
Linus Torvalds
8bf1a529cd arm64 updates for 6.3: 
- Support for arm64 SME 2 and 2.1. SME2 introduces a new 512-bit
   architectural register (ZT0, for the look-up table feature) that Linux
   needs to save/restore.
 
 - Include TPIDR2 in the signal context and add the corresponding
   kselftests.
 
 - Perf updates: Arm SPEv1.2 support, HiSilicon uncore PMU updates, ACPI
   support to the Marvell DDR and TAD PMU drivers, reset DTM_PMU_CONFIG
   (ARM CMN) at probe time.
 
 - Support for DYNAMIC_FTRACE_WITH_CALL_OPS on arm64.
 
 - Permit EFI boot with MMU and caches on. Instead of cleaning the entire
   loaded kernel image to the PoC and disabling the MMU and caches before
   branching to the kernel bare metal entry point, leave the MMU and
   caches enabled and rely on EFI's cacheable 1:1 mapping of all of
   system RAM to populate the initial page tables.
 
 - Expose the AArch32 (compat) ELF_HWCAP features to user in an arm64
   kernel (the arm32 kernel only defines the values).
 
 - Harden the arm64 shadow call stack pointer handling: stash the shadow
   stack pointer in the task struct on interrupt, load it directly from
   this structure.
 
 - Signal handling cleanups to remove redundant validation of size
   information and avoid reading the same data from userspace twice.
 
 - Refactor the hwcap macros to make use of the automatically generated
   ID registers. It should make new hwcaps writing less error prone.
 
 - Further arm64 sysreg conversion and some fixes.
 
 - arm64 kselftest fixes and improvements.
 
 - Pointer authentication cleanups: don't sign leaf functions, unify
   asm-arch manipulation.
 
 - Pseudo-NMI code generation optimisations.
 
 - Minor fixes for SME and TPIDR2 handling.
 
 - Miscellaneous updates: ARCH_FORCE_MAX_ORDER is now selectable, replace
   strtobool() to kstrtobool() in the cpufeature.c code, apply dynamic
   shadow call stack in two passes, intercept pfn changes in set_pte_at()
   without the required break-before-make sequence, attempt to dump all
   instructions on unhandled kernel faults.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:

 - Support for arm64 SME 2 and 2.1. SME2 introduces a new 512-bit
   architectural register (ZT0, for the look-up table feature) that
   Linux needs to save/restore

 - Include TPIDR2 in the signal context and add the corresponding
   kselftests

 - Perf updates: Arm SPEv1.2 support, HiSilicon uncore PMU updates, ACPI
   support to the Marvell DDR and TAD PMU drivers, reset DTM_PMU_CONFIG
   (ARM CMN) at probe time

 - Support for DYNAMIC_FTRACE_WITH_CALL_OPS on arm64

 - Permit EFI boot with MMU and caches on. Instead of cleaning the
   entire loaded kernel image to the PoC and disabling the MMU and
   caches before branching to the kernel bare metal entry point, leave
   the MMU and caches enabled and rely on EFI's cacheable 1:1 mapping of
   all of system RAM to populate the initial page tables

 - Expose the AArch32 (compat) ELF_HWCAP features to user in an arm64
   kernel (the arm32 kernel only defines the values)

 - Harden the arm64 shadow call stack pointer handling: stash the shadow
   stack pointer in the task struct on interrupt, load it directly from
   this structure

 - Signal handling cleanups to remove redundant validation of size
   information and avoid reading the same data from userspace twice

 - Refactor the hwcap macros to make use of the automatically generated
   ID registers. It should make new hwcaps writing less error prone

 - Further arm64 sysreg conversion and some fixes

 - arm64 kselftest fixes and improvements

 - Pointer authentication cleanups: don't sign leaf functions, unify
   asm-arch manipulation

 - Pseudo-NMI code generation optimisations

 - Minor fixes for SME and TPIDR2 handling

 - Miscellaneous updates: ARCH_FORCE_MAX_ORDER is now selectable,
   replace strtobool() to kstrtobool() in the cpufeature.c code, apply
   dynamic shadow call stack in two passes, intercept pfn changes in
   set_pte_at() without the required break-before-make sequence, attempt
   to dump all instructions on unhandled kernel faults

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (130 commits)
  arm64: fix .idmap.text assertion for large kernels
  kselftest/arm64: Don't require FA64 for streaming SVE+ZA tests
  kselftest/arm64: Copy whole EXTRA context
  arm64: kprobes: Drop ID map text from kprobes blacklist
  perf: arm_spe: Print the version of SPE detected
  perf: arm_spe: Add support for SPEv1.2 inverted event filtering
  perf: Add perf_event_attr::config3
  arm64/sme: Fix __finalise_el2 SMEver check
  drivers/perf: fsl_imx8_ddr_perf: Remove set-but-not-used variable
  arm64/signal: Only read new data when parsing the ZT context
  arm64/signal: Only read new data when parsing the ZA context
  arm64/signal: Only read new data when parsing the SVE context
  arm64/signal: Avoid rereading context frame sizes
  arm64/signal: Make interface for restore_fpsimd_context() consistent
  arm64/signal: Remove redundant size validation from parse_user_sigframe()
  arm64/signal: Don't redundantly verify FPSIMD magic
  arm64/cpufeature: Use helper macros to specify hwcaps
  arm64/cpufeature: Always use symbolic name for feature value in hwcaps
  arm64/sysreg: Initial unsigned annotations for ID registers
  arm64/sysreg: Initial annotation of signed ID registers
  ...
 2023-02-21 15:27:48 -08:00
Linus Torvalds
b327dfe052 ARM udpates for 6.3-rc1 
- Improve Kconfig help text for Cortex A8 and Cortex A9 errata
 - Kconfig spelling and grammar fixes
 - Allow kernel-mode VFP/Neon in softirq context
 - Use Neon in softirq context
 - Implement AES-CTR/GHASH version of GCM
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM udpates from Russell King:

 - Improve Kconfig help text for Cortex A8 and Cortex A9 errata

 - Kconfig spelling and grammar fixes

 - Allow kernel-mode VFP/Neon in softirq context

 - Use Neon in softirq context

 - Implement AES-CTR/GHASH version of GCM

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9289/1: Allow pre-ARMv5 builds with ld.lld 16.0.0 and newer
  ARM: 9288/1: Kconfigs: fix spelling & grammar
  ARM: 9286/1: crypto: Implement fused AES-CTR/GHASH version of GCM
  ARM: 9285/1: remove meaningless arch/arm/mach-rda/Makefile
  ARM: 9283/1: permit non-nested kernel mode NEON in softirq context
  ARM: 9282/1: vfp: Manipulate task VFP state with softirqs disabled
  ARM: 9281/1: improve Cortex A8/A9 errata help text
 2023-02-21 15:21:29 -08:00
Linus Torvalds
eb6d5bbea2 m68k updates for v6.3 
- Add seccomp support,
   - Defconfig updates,
   - Miscellaneous fixes and improvements.
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Merge tag 'm68k-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - Add seccomp support

 - defconfig updates

 - Miscellaneous fixes and improvements

* tag 'm68k-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: /proc/hardware should depend on PROC_FS
  selftests/seccomp: Add m68k support
  m68k: Add kernel seccomp support
  m68k: Check syscall_trace_enter() return code
  m68k: defconfig: Update defconfigs for v6.2-rc3
  m68k: q40: Do not initialise statics to 0
 2023-02-21 15:17:34 -08:00
Linus Torvalds
bcf5470eb4 s390 updates for 6.3 merge window 
- Large cleanup of the con3270/tty3270 driver. Among others this fixes:
   * Background Color Support
   * ASCII Line Character Support
   * VT100 Support
   * Geometries other than 80x24
 
 - Cleanup and improve cmpxchg() code. Also add cmpxchg_user_key() to
   uaccess functions, which will be used by KVM to access KVM guest memory
   with a specific storage key.
 
 - Add support for user space events counting to CPUMF.
 
 - Cleanup the vfio/ccw code, which also allows now to properly support 2K
   Format-2 IDALs.
 
 - Move kernel page table allocation and initialization to decompressor,
   which finally allows to enter the kernel with dynamic address translation
   enabled. This in turn allows to get rid of code with special handling in
   the kernel, which has to distinguish if DAT is on or off.
 
 - Replace kretprobe with rethook.
 
 - Various improvements to vfio/ap queue resets:
   * Use TAPQ to verify completion of a reset in progress rather than
     multiple invocations of ZAPQ.
   * Check TAPQ response codes when verifying successful completion of ZAPQ.
   * Fix erroneous handling of some error response codes.
   * Increase the maximum amount of time to wait for successful completion
     of ZAPQ.
 
 - Rework system call wrappers to get rid of alias functions, which were
   only left on s390.
 
 - Cleanup diag288_wdt watchdog driver. It has been agreed on with Guenter
   Roeck that this goes upstream via the s390 tree.
 
 - Add missing loadparm parameter handling for list-directed ECKD ipl/reipl.
 
 - Various improvements to memory detection code.
 
 - Remove arch_cpu_idle_time() since the current implementation is broken,
   and allows user space observable accounted idle times which can
   temporarily decrease.
 
 - Add Reset DAT-Protection support: (only) allow to change PTEs from RO to
   RW with a new RDP instruction. Unlike the currently used IPTE
   instruction, this does not necessarily guarantee that TLBs of all CPUs
   are synchronously flushed; and that remote CPUs can see spurious
   protection faults. The overall improvement for not requiring an all CPU
   synchronization, like it is required with IPTE, should be beneficial.
 
 - Fix KFENCE page fault reporting.
 
 - Smaller cleanups and improvement all over the place.
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Merge tag 's390-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Heiko Carstens:

 - Large cleanup of the con3270/tty3270 driver. Among others this fixes:
     - Background Color Support
     - ASCII Line Character Support
     - VT100 Support
     - Geometries other than 80x24

 - Cleanup and improve cmpxchg() code. Also add cmpxchg_user_key() to
   uaccess functions, which will be used by KVM to access KVM guest
   memory with a specific storage key

 - Add support for user space events counting to CPUMF

 - Cleanup the vfio/ccw code, which also allows now to properly support
   2K Format-2 IDALs

 - Move kernel page table allocation and initialization to decompressor,
   which finally allows to enter the kernel with dynamic address
   translation enabled. This in turn allows to get rid of code with
   special handling in the kernel, which has to distinguish if DAT is on
   or off

 - Replace kretprobe with rethook

 - Various improvements to vfio/ap queue resets:
     - Use TAPQ to verify completion of a reset in progress rather than
       multiple invocations of ZAPQ.
     - Check TAPQ response codes when verifying successful completion of
       ZAPQ.
     - Fix erroneous handling of some error response codes.
     - Increase the maximum amount of time to wait for successful
       completion of ZAPQ

 - Rework system call wrappers to get rid of alias functions, which were
   only left on s390

 - Cleanup diag288_wdt watchdog driver. It has been agreed on with
   Guenter Roeck that this goes upstream via the s390 tree

 - Add missing loadparm parameter handling for list-directed ECKD
   ipl/reipl

 - Various improvements to memory detection code

 - Remove arch_cpu_idle_time() since the current implementation is
   broken, and allows user space observable accounted idle times which
   can temporarily decrease

 - Add Reset DAT-Protection support: (only) allow to change PTEs from RO
   to RW with a new RDP instruction. Unlike the currently used IPTE
   instruction, this does not necessarily guarantee that TLBs of all
   CPUs are synchronously flushed; and that remote CPUs can see spurious
   protection faults. The overall improvement for not requiring an all
   CPU synchronization, like it is required with IPTE, should be
   beneficial

 - Fix KFENCE page fault reporting

 - Smaller cleanups and improvement all over the place

* tag 's390-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (182 commits)
  s390/irq,idle: simplify idle check
  s390/processor: add test_and_set_cpu_flag() and test_and_clear_cpu_flag()
  s390/processor: let cpu helper functions return boolean values
  s390/kfence: fix page fault reporting
  s390/zcrypt: introduce ctfm field in struct CPRBX
  s390: remove confusing comment from uapi types header file
  vfio/ccw: remove WARN_ON during shutdown
  s390/entry: remove toolchain dependent micro-optimization
  s390/mem_detect: do not truncate online memory ranges info
  s390/vx: remove __uint128_t type from __vector128 struct again
  s390/mm: add support for RDP (Reset DAT-Protection)
  s390/mm: define private VM_FAULT_* reasons from top bits
  Documentation: s390: correct spelling
  s390/ap: fix status returned by ap_qact()
  s390/ap: fix status returned by ap_aqic()
  s390: vfio-ap: tighten the NIB validity check
  Revert "s390/mem_detect: do not update output parameters on failure"
  s390/idle: remove arch_cpu_idle_time() and corresponding code
  s390/vx: use simple assignments to access __vector128 members
  s390/vx: add 64 and 128 bit members to __vector128 struct
  ...
 2023-02-21 15:09:17 -08:00
Linus Torvalds
877934769e - Cache the AMD debug registers in per-CPU variables to avoid MSR writes 
where possible, when supporting a debug registers swap feature for
   SEV-ES guests
 
 - Add support for AMD's version of eIBRS called Automatic IBRS which is
   a set-and-forget control of indirect branch restriction speculation
   resources on privilege change
 
 - Add support for a new x86 instruction - LKGS - Load kernel GS which is
   part of the FRED infrastructure
 
 - Reset SPEC_CTRL upon init to accomodate use cases like kexec which
   rediscover
 
 - Other smaller fixes and cleanups
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Merge tag 'x86_cpu_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cpuid updates from Borislav Petkov:

 - Cache the AMD debug registers in per-CPU variables to avoid MSR
   writes where possible, when supporting a debug registers swap feature
   for SEV-ES guests

 - Add support for AMD's version of eIBRS called Automatic IBRS which is
   a set-and-forget control of indirect branch restriction speculation
   resources on privilege change

 - Add support for a new x86 instruction - LKGS - Load kernel GS which
   is part of the FRED infrastructure

 - Reset SPEC_CTRL upon init to accomodate use cases like kexec which
   rediscover

 - Other smaller fixes and cleanups

* tag 'x86_cpu_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/amd: Cache debug register values in percpu variables
  KVM: x86: Propagate the AMD Automatic IBRS feature to the guest
  x86/cpu: Support AMD Automatic IBRS
  x86/cpu, kvm: Add the SMM_CTL MSR not present feature
  x86/cpu, kvm: Add the Null Selector Clears Base feature
  x86/cpu, kvm: Move X86_FEATURE_LFENCE_RDTSC to its native leaf
  x86/cpu, kvm: Add the NO_NESTED_DATA_BP feature
  KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code
  x86/cpu, kvm: Add support for CPUID_80000021_EAX
  x86/gsseg: Add the new <asm/gsseg.h> header to <asm/asm-prototypes.h>
  x86/gsseg: Use the LKGS instruction if available for load_gs_index()
  x86/gsseg: Move load_gs_index() to its own new header file
  x86/gsseg: Make asm_load_gs_index() take an u16
  x86/opcode: Add the LKGS instruction to x86-opcode-map
  x86/cpufeature: Add the CPU feature bit for LKGS
  x86/bugs: Reset speculation control settings on init
  x86/cpu: Remove redundant extern x86_read_arch_cap_msr()
 2023-02-21 14:51:40 -08:00
Dave Hansen
74e19ef0ff uaccess: Add speculation barrier to copy_from_user() 
The results of "access_ok()" can be mis-speculated.  The result is that
you can end speculatively:

	if (access_ok(from, size))
		// Right here

even for bad from/size combinations.  On first glance, it would be ideal
to just add a speculation barrier to "access_ok()" so that its results
can never be mis-speculated.

But there are lots of system calls just doing access_ok() via
"copy_to_user()" and friends (example: fstat() and friends).  Those are
generally not problematic because they do not _consume_ data from
userspace other than the pointer.  They are also very quick and common
system calls that should not be needlessly slowed down.

"copy_from_user()" on the other hand uses a user-controller pointer and
is frequently followed up with code that might affect caches.  Take
something like this:

	if (!copy_from_user(&kernelvar, uptr, size))
		do_something_with(kernelvar);

If userspace passes in an evil 'uptr' that *actually* points to a kernel
addresses, and then do_something_with() has cache (or other)
side-effects, it could allow userspace to infer kernel data values.

Add a barrier to the common copy_from_user() code to prevent
mis-speculated values which happen after the copy.

Also add a stub for architectures that do not define barrier_nospec().
This makes the macro usable in generic code.

Since the barrier is now usable in generic code, the x86 #ifdef in the
BPF code can also go away.

Reported-by: Jordy Zomer <jordyzomer@google.com>
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>   # BPF bits
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2023-02-21 14:45:22 -08:00
Linus Torvalds
1b72607d73 Thermal control updates for 6.3-rc1 
- Rework a large bunch of drivers to use the generic thermal trip
    structure and use the opportunity to do more cleanups by removing
    unused functions from the OF code (Daniel Lezcano).
 
  - Remove core header inclusion from drivers (Daniel Lezcano).
 
  - Fix some locking issues related to the generic thermal trip rework
    (Johan Hovold).
 
  - Fix a crash when requesting the critical temperature on tegra, which
    is related to the generic trip point work (Jon Hunter).
 
  - Clean up thermal device unregistration code (Viresh Kumar).
 
  - Fix and clean up thermal control core initialization error code
    paths (Daniel Lezcano).
 
  - Relocate the trip points handling code into a separate file (Daniel
    Lezcano).
 
  - Make the thermal core fail registration of thermal zones and cooling
    devices if the thermal class has not been registered (Rafael Wysocki).
 
  - Add trip point initialization helper functions for ACPI-defined trip
    points and modify two thermal drivers to use them (Rafael Wysocki,
    Daniel Lezcano).
 
  - Make the core thermal control code use sysfs_emit_at() instead of
    scnprintf() where applicable (ye xingchen).
 
  - Consolidate code accessing the Intel TCC (Thermal Control Circuitry)
    MSRs by introducing library functions for that and making the
    TCC-related code in thermal drivers use them (Zhang Rui).
 
  - Enhance the x86_pkg_temp_thermal driver to support dynamic tjmax
    changes (Zhang Rui).
 
  - Address an "unsigned expression compared with zero" warning in the
    intel_soc_dts_iosf thermal driver (Yang Li).
 
  - Update comments regarding two functions in the Intel Menlow thermal
    driver (Deming Wang).
 
  - Use sysfs_emit_at() instead of scnprintf() in the int340x thermal
    driver (ye xingchen).
 
  - Make the intel_pch thermal driver support the Wellsburg PCH (Tim
    Zimmermann).
 
  - Modify the intel_pch and processor_thermal_device_pci thermal drivers
    use generic trip point tables instead of thermal zone trip point
    callbacks (Daniel Lezcano).
 
  - Add production mode attribute sysfs attribute to the int340x thermal
    driver (Srinivas Pandruvada).
 
  - Rework dynamic trip point updates handling and locking in the int340x
    thermal driver (Rafael Wysocki).
 
  - Make the int340x thermal driver use a generic trip points table
    instead of thermal zone trip point callbacks (Rafael Wysocki, Daniel
    Lezcano).
 
  - Clean up and improve the int340x thermal driver (Rafael Wysocki).
 
  - Simplify and clean up the intel_pch thermal driver (Rafael Wysocki).
 
  - Fix the Intel powerclamp thermal driver and make it use the common
    idle injection framework (Srinivas Pandruvada).
 
  - Add two module parameters, cpumask and max_idle, to the Intel powerclamp
    thermal driver to allow it to affect only a specific subset of CPUs
    instead of all of them (Srinivas Pandruvada).
 
  - Make the Intel quark_dts thermal driver Use generic trip point
    objects instead of its own trip point representation (Daniel
    Lezcano).
 
  - Add toctree entry for thermal documents and fix two issues in the
    Intel powerclamp driver documentation (Bagas Sanjaya).
 
  - Use strscpy() to instead of strncpy() in the thermal core (Xu Panda).
 
  - Fix thermal_sampling_exit() (Vincent Guittot).
 
  - Add Mediatek Low Voltage Thermal Sensor (LVTS) driver (Balsam Chihi).
 
  - Add r8a779g0 RCar support to the rcar_gen3 thermal driver (Geert
    Uytterhoeven).
 
  - Fix useless call to set_trips() when resuming in the rcar_gen3
    thermal control driver and add interrupt support detection at init
    time to it (Niklas Söderlund).
 
  - Fix memory corruption in the hi3660 thermal driver (Yongqin Liu).
 
  - Fix include path for libnl3 in pkg-config file for libthermal (Vibhav
    Pant).
 
  - Remove syscfg-based driver for st as the platform is not supported
    any more (Alain Volmat).
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Merge tag 'thermal-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "The majority of changes here are related to the general switch-over to
  using arrays of generic trip point structures registered along with a
  thermal zone instead of trip point callbacks (this has been done
  mostly by Daniel Lezcano with some help from yours truly on the Intel
  drivers front).

  Apart from that and the related reorganization of code, there are some
  enhancements of the existing driver and a new Mediatek Low Voltage
  Thermal Sensor (LVTS) driver. The Intel powerclamp undergoes a major
  rework so it will use the generic idle_inject facility for CPU idle
  time injection going forward and it will take additional module
  parameters for specifying the subset of CPUs to be affected by it
  (work done by Srinivas Pandruvada).

  Also included are assorted fixes and a whole bunch of cleanups.

  Specifics:

   - Rework a large bunch of drivers to use the generic thermal trip
     structure and use the opportunity to do more cleanups by removing
     unused functions from the OF code (Daniel Lezcano)

   - Remove core header inclusion from drivers (Daniel Lezcano)

   - Fix some locking issues related to the generic thermal trip rework
     (Johan Hovold)

   - Fix a crash when requesting the critical temperature on tegra,
     which is related to the generic trip point work (Jon Hunter)

   - Clean up thermal device unregistration code (Viresh Kumar)

   - Fix and clean up thermal control core initialization error code
     paths (Daniel Lezcano)

   - Relocate the trip points handling code into a separate file (Daniel
     Lezcano)

   - Make the thermal core fail registration of thermal zones and
     cooling devices if the thermal class has not been registered
     (Rafael Wysocki)

   - Add trip point initialization helper functions for ACPI-defined
     trip points and modify two thermal drivers to use them (Rafael
     Wysocki, Daniel Lezcano)

   - Make the core thermal control code use sysfs_emit_at() instead of
     scnprintf() where applicable (ye xingchen)

   - Consolidate code accessing the Intel TCC (Thermal Control
     Circuitry) MSRs by introducing library functions for that and
     making the TCC-related code in thermal drivers use them (Zhang Rui)

   - Enhance the x86_pkg_temp_thermal driver to support dynamic tjmax
     changes (Zhang Rui)

   - Address an "unsigned expression compared with zero" warning in the
     intel_soc_dts_iosf thermal driver (Yang Li)

   - Update comments regarding two functions in the Intel Menlow thermal
     driver (Deming Wang)

   - Use sysfs_emit_at() instead of scnprintf() in the int340x thermal
     driver (ye xingchen)

   - Make the intel_pch thermal driver support the Wellsburg PCH (Tim
     Zimmermann)

   - Modify the intel_pch and processor_thermal_device_pci thermal
     drivers use generic trip point tables instead of thermal zone trip
     point callbacks (Daniel Lezcano)

   - Add production mode attribute sysfs attribute to the int340x
     thermal driver (Srinivas Pandruvada)

   - Rework dynamic trip point updates handling and locking in the
     int340x thermal driver (Rafael Wysocki)

   - Make the int340x thermal driver use a generic trip points table
     instead of thermal zone trip point callbacks (Rafael Wysocki,
     Daniel Lezcano)

   - Clean up and improve the int340x thermal driver (Rafael Wysocki)

   - Simplify and clean up the intel_pch thermal driver (Rafael Wysocki)

   - Fix the Intel powerclamp thermal driver and make it use the common
     idle injection framework (Srinivas Pandruvada)

   - Add two module parameters, cpumask and max_idle, to the Intel
     powerclamp thermal driver to allow it to affect only a specific
     subset of CPUs instead of all of them (Srinivas Pandruvada)

   - Make the Intel quark_dts thermal driver Use generic trip point
     objects instead of its own trip point representation (Daniel
     Lezcano)

   - Add toctree entry for thermal documents and fix two issues in the
     Intel powerclamp driver documentation (Bagas Sanjaya)

   - Use strscpy() to instead of strncpy() in the thermal core (Xu
     Panda)

   - Fix thermal_sampling_exit() (Vincent Guittot)

   - Add Mediatek Low Voltage Thermal Sensor (LVTS) driver (Balsam
     Chihi)

   - Add r8a779g0 RCar support to the rcar_gen3 thermal driver (Geert
     Uytterhoeven)

   - Fix useless call to set_trips() when resuming in the rcar_gen3
     thermal control driver and add interrupt support detection at init
     time to it (Niklas Söderlund)

   - Fix memory corruption in the hi3660 thermal driver (Yongqin Liu)

   - Fix include path for libnl3 in pkg-config file for libthermal
     (Vibhav Pant)

   - Remove syscfg-based driver for st as the platform is not supported
     any more (Alain Volmat)"

* tag 'thermal-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (135 commits)
  thermal/drivers/st: Remove syscfg based driver
  thermal: Remove core header inclusion from drivers
  tools/lib/thermal: Fix include path for libnl3 in pkg-config file.
  thermal/drivers/hisi: Drop second sensor hi3660
  thermal/drivers/rcar_gen3_thermal: Fix device initialization
  thermal/drivers/rcar_gen3_thermal: Create device local ops struct
  thermal/drivers/rcar_gen3_thermal: Do not call set_trips() when resuming
  thermal/drivers/rcar_gen3: Add support for R-Car V4H
  dt-bindings: thermal: rcar-gen3-thermal: Add r8a779g0 support
  thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver
  dt-bindings: thermal: mediatek: Add LVTS thermal controllers
  thermal/drivers/mediatek: Relocate driver to mediatek folder
  tools/lib/thermal: Fix thermal_sampling_exit()
  Documentation: powerclamp: Fix numbered lists formatting
  Documentation: powerclamp: Escape wildcard in cpumask description
  Documentation: admin-guide: Add toctree entry for thermal docs
  thermal: intel: powerclamp: Add two module parameters
  Documentation: admin-guide: Move intel_powerclamp documentation
  thermal: core: Use sysfs_emit_at() instead of scnprintf()
  thermal: intel: powerclamp: Fix duration module parameter
  ...
 2023-02-21 12:32:05 -08:00
Linus Torvalds
88af9b164c ACPI updates for 6.3-rc1 
- Drop port I/O validation for some regions to avoid AML failures due
    to rejections of legitimate port I/O writes (Mario Limonciello).
 
  - Constify acpi_get_handle() pathname argument to allow its callers to
    pass const pathnames to it (Sakari Ailus).
 
  - Prevent acpi_ns_simple_repair() from crashing in some cases when
    AE_AML_NO_RETURN_VALUE should be returned (Daniil Tatianin).
 
  - Fix typo in CDAT DSMAS struct definition (Lukas Wunner).
 
  - Drop an unnecessary (void *) conversion from the ACPI processor
    driver (Zhou jie).
 
  - Modify the ACPI processor performance library code to use the "no
    limit" frequency QoS as appropriate and adjust the intel_pstate
    driver accordingly (Rafael Wysocki).
 
  - Add support for NBFT to the ACPI table parser (Stuart Hayes).
 
  - Introduce list of known non-PNP devices to avoid enumerating some of
    them as PNP devices (Rafael Wysocki).
 
  - Add x86 ACPI paths to the ACPI entry in MAINTAINERS to allow scripts
    to report the actual maintainers information (Rafael Wysocki).
 
  - Add two more entries to the ACPI IRQ override quirk list (Adam
    Niederer, Werner Sembach).
 
  - Add a pmic_i2c_address entry for Intel Bay Trail Crystal Cove to
    allow intel_soc_pmic_exec_mipi_pmic_seq_element() to be used with
    the Bay Trail Crystal Cove PMIC OpRegion driver (Hans de Goede).
 
  - Add comments with DSDT power OpRegion field names to the ACPI PMIC
    driver (Hans de Goede).
 
  - Fix string termination handling in the ACPI battery driver (Armin
    Wolf).
 
  - Limit error type to 32-bit width in the ACPI APEI error injection
    code (Shuai Xue).
 
  - Fix Lenovo Ideapad Z570 DMI match in the ACPI backlight driver (Hans
    de Goede).
 
  - Silence missing prototype warnings in some places in the ACPI-related
    code (Ammar Faizi).
 
  - Make kobj_type structures used in the ACPI code constant (Thomas
    Weißschuh).
 
  - Correct spelling in firmware-guide/ACPI (Randy Dunlap).
 
  - Clarify the meaning of Explicit and Implicit in the _DSD GPIO
    properties documentation (Andy Shevchenko).
 
  - Fix some kernel-doc comments in the ACPI CPPC library code (Yang Li).
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Merge tag 'acpi-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These fix a frequency limit issue in the ACPI processor performance
  library code, fix a few issues in the ACPICA code, improve Crystal
  Cove support in the ACPI PMIC driver, fix string handling in the ACPI
  battery driver, add IRQ override quirks for a few machines more, fix
  other assorted problems and clean up code and documentation.

  Specifics:

   - Drop port I/O validation for some regions to avoid AML failures due
     to rejections of legitimate port I/O writes (Mario Limonciello)

   - Constify acpi_get_handle() pathname argument to allow its callers
     to pass const pathnames to it (Sakari Ailus)

   - Prevent acpi_ns_simple_repair() from crashing in some cases when
     AE_AML_NO_RETURN_VALUE should be returned (Daniil Tatianin)

   - Fix typo in CDAT DSMAS struct definition (Lukas Wunner)

   - Drop an unnecessary (void *) conversion from the ACPI processor
     driver (Zhou jie)

   - Modify the ACPI processor performance library code to use the "no
     limit" frequency QoS as appropriate and adjust the intel_pstate
     driver accordingly (Rafael Wysocki)

   - Add support for NBFT to the ACPI table parser (Stuart Hayes)

   - Introduce list of known non-PNP devices to avoid enumerating some
     of them as PNP devices (Rafael Wysocki)

   - Add x86 ACPI paths to the ACPI entry in MAINTAINERS to allow
     scripts to report the actual maintainers information (Rafael
     Wysocki)

   - Add two more entries to the ACPI IRQ override quirk list (Adam
     Niederer, Werner Sembach)

   - Add a pmic_i2c_address entry for Intel Bay Trail Crystal Cove to
     allow intel_soc_pmic_exec_mipi_pmic_seq_element() to be used with
     the Bay Trail Crystal Cove PMIC OpRegion driver (Hans de Goede)

   - Add comments with DSDT power OpRegion field names to the ACPI PMIC
     driver (Hans de Goede)

   - Fix string termination handling in the ACPI battery driver (Armin
     Wolf)

   - Limit error type to 32-bit width in the ACPI APEI error injection
     code (Shuai Xue)

   - Fix Lenovo Ideapad Z570 DMI match in the ACPI backlight driver
     (Hans de Goede)

   - Silence missing prototype warnings in some places in the
     ACPI-related code (Ammar Faizi)

   - Make kobj_type structures used in the ACPI code constant (Thomas
     Weißschuh)

   - Correct spelling in firmware-guide/ACPI (Randy Dunlap)

   - Clarify the meaning of Explicit and Implicit in the _DSD GPIO
     properties documentation (Andy Shevchenko)

   - Fix some kernel-doc comments in the ACPI CPPC library code (Yang
     Li)"

* tag 'acpi-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
  ACPI: make kobj_type structures constant
  Documentation: firmware-guide: gpio-properties: Clarify Explicit and Implicit
  ACPICA: Fix typo in CDAT DSMAS struct definition
  ACPI: resource: Do IRQ override on all TongFang GMxRGxx
  ACPI: resource: Add IRQ overrides for MAINGEAR Vector Pro 2 models
  ACPI: CPPC: Fix some kernel-doc comments
  ACPI: video: Fix Lenovo Ideapad Z570 DMI match
  Documentation: firmware-guide/ACPI: correct spelling
  ACPI: PMIC: Add comments with DSDT power opregion field names
  ACPI: battery: Increase maximum string length
  ACPI: battery: Fix buffer overread if not NUL-terminated
  ACPI: APEI: EINJ: Limit error type to 32-bit width
  MAINTAINERS: Add x86 ACPI paths to the ACPI entry
  ACPI: battery: Fix missing NUL-termination with large strings
  ACPI: PNP: Introduce list of known non-PNP devices
  ACPICA: nsrepair: handle cases without a return value correctly
  ACPI: Silence missing prototype warnings
  cpufreq: intel_pstate: Drop ACPI _PSS states table patching
  ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
  ACPI: processor: perflib: Use the "no limit" frequency QoS
  ...
 2023-02-21 12:23:24 -08:00
Linus Torvalds
2504ba8b01 Power management updates for 6.3-rc1 
- Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
    Karny, Arnd Bergmann, Bagas Sanjaya).
 
  - Drop the custom cpufreq driver for loongson1 that is not necessary
    any more and the corresponding cpufreq platform device (Keguang
    Zhang).
 
  - Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
    entries (Paul E. McKenney).
 
  - Enable thermal cooling for Tegra194 (Yi-Wei Wang).
 
  - Register module device table and add missing compatibles for
    cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss).
 
  - Various dt binding updates for qcom-cpufreq-nvmem and opp-v2-kryo-cpu
    (Christian Marangi).
 
  - Make kobj_type structure in the cpufreq core constant (Thomas
    Weißschuh).
 
  - Make cpufreq_unregister_driver() return void (Uwe Kleine-König).
 
  - Make the TEO cpuidle governor check CPU utilization in order to refine
   idle state selection (Kajetan Puchalski).
 
  - Make Kconfig select the haltpoll cpuidle governor when the haltpoll
    cpuidle driver is selected and replace a default_idle() call in that
    driver with arch_cpu_idle() to allow MWAIT to be used (Li RongQing).
 
  - Add Emerald Rapids Xeon support to the intel_idle driver (Artem
    Bityutskiy).
 
  - Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
    avoid randconfig build failures (Arnd Bergmann).
 
  - Make kobj_type structures used in the cpuidle sysfs interface
    constant (Thomas Weißschuh).
 
  - Make the cpuidle driver registration code update microsecond values
    of idle state parameters in accordance with their nanosecond values
    if they are provided (Rafael Wysocki).
 
  - Make the PSCI cpuidle driver prevent topology CPUs from being
    suspended on PREEMPT_RT (Krzysztof Kozlowski).
 
  - Document that pm_runtime_force_suspend() cannot be used with
    DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald).
 
  - Add EXPORT macros for exporting PM functions from drivers (Richard
    Fitzgerald).
 
  - Remove /** from non-kernel-doc comments in hibernation code (Randy
    Dunlap).
 
  - Fix possible name leak in powercap_register_zone() (Yang Yingliang).
 
  - Add Meteor Lake and Emerald Rapids support to the intel_rapl power
    capping driver (Zhang Rui).
 
  - Modify the idle_inject power capping facility to support 100% idle
    injection (Srinivas Pandruvada).
 
  - Fix large time windows handling in the intel_rapl power capping
    driver (Zhang Rui).
 
  - Fix memory leaks with using debugfs_lookup() in the generic PM
    domains and Energy Model code (Greg Kroah-Hartman).
 
  - Add missing 'cache-unified' property in the example for kryo OPP
    bindings (Rob Herring).
 
  - Fix error checking in opp_migrate_dentry() (Qi Zheng).
 
  - Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
    Dybcio).
 
  - Modify some power management utilities to use the canonical ftrace
    path (Ross Zwisler).
 
  - Correct spelling problems for Documentation/power/ as reported by
    codespell (Randy Dunlap).
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Merge tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add EPP support to the AMD P-state cpufreq driver, add support
  for new platforms to the Intel RAPL power capping driver, intel_idle
  and the Qualcomm cpufreq driver, enable thermal cooling for Tegra194,
  drop the custom cpufreq driver for loongson1 that is not necessary any
  more (and the corresponding cpufreq platform device), fix assorted
  issues and clean up code.

  Specifics:

   - Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
     Karny, Arnd Bergmann, Bagas Sanjaya)

   - Drop the custom cpufreq driver for loongson1 that is not necessary
     any more and the corresponding cpufreq platform device (Keguang
     Zhang)

   - Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
     entries (Paul E. McKenney)

   - Enable thermal cooling for Tegra194 (Yi-Wei Wang)

   - Register module device table and add missing compatibles for
     cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss)

   - Various dt binding updates for qcom-cpufreq-nvmem and
     opp-v2-kryo-cpu (Christian Marangi)

   - Make kobj_type structure in the cpufreq core constant (Thomas
     Weißschuh)

   - Make cpufreq_unregister_driver() return void (Uwe Kleine-König)

   - Make the TEO cpuidle governor check CPU utilization in order to
     refine idle state selection (Kajetan Puchalski)

   - Make Kconfig select the haltpoll cpuidle governor when the haltpoll
     cpuidle driver is selected and replace a default_idle() call in
     that driver with arch_cpu_idle() to allow MWAIT to be used (Li
     RongQing)

   - Add Emerald Rapids Xeon support to the intel_idle driver (Artem
     Bityutskiy)

   - Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
     avoid randconfig build failures (Arnd Bergmann)

   - Make kobj_type structures used in the cpuidle sysfs interface
     constant (Thomas Weißschuh)

   - Make the cpuidle driver registration code update microsecond values
     of idle state parameters in accordance with their nanosecond values
     if they are provided (Rafael Wysocki)

   - Make the PSCI cpuidle driver prevent topology CPUs from being
     suspended on PREEMPT_RT (Krzysztof Kozlowski)

   - Document that pm_runtime_force_suspend() cannot be used with
     DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald)

   - Add EXPORT macros for exporting PM functions from drivers (Richard
     Fitzgerald)

   - Remove /** from non-kernel-doc comments in hibernation code (Randy
     Dunlap)

   - Fix possible name leak in powercap_register_zone() (Yang Yingliang)

   - Add Meteor Lake and Emerald Rapids support to the intel_rapl power
     capping driver (Zhang Rui)

   - Modify the idle_inject power capping facility to support 100% idle
     injection (Srinivas Pandruvada)

   - Fix large time windows handling in the intel_rapl power capping
     driver (Zhang Rui)

   - Fix memory leaks with using debugfs_lookup() in the generic PM
     domains and Energy Model code (Greg Kroah-Hartman)

   - Add missing 'cache-unified' property in the example for kryo OPP
     bindings (Rob Herring)

   - Fix error checking in opp_migrate_dentry() (Qi Zheng)

   - Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
     Dybcio)

   - Modify some power management utilities to use the canonical ftrace
     path (Ross Zwisler)

   - Correct spelling problems for Documentation/power/ as reported by
     codespell (Randy Dunlap)"

* tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (53 commits)
  Documentation: amd-pstate: disambiguate user space sections
  cpufreq: amd-pstate: Fix invalid write to MSR_AMD_CPPC_REQ
  dt-bindings: opp: opp-v2-kryo-cpu: enlarge opp-supported-hw maximum
  dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr bindings optional
  dt-bindings: cpufreq: qcom-cpufreq-nvmem: specify supported opp tables
  PM: Add EXPORT macros for exporting PM functions
  cpuidle: psci: Do not suspend topology CPUs on PREEMPT_RT
  MIPS: loongson32: Drop obsolete cpufreq platform device
  powercap: intel_rapl: Fix handling for large time window
  cpuidle: driver: Update microsecond values of state parameters as needed
  cpuidle: sysfs: make kobj_type structures constant
  cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies
  PM: EM: fix memory leak with using debugfs_lookup()
  PM: domains: fix memory leak with using debugfs_lookup()
  cpufreq: Make kobj_type structure constant
  cpufreq: davinci: Fix clk use after free
  cpufreq: amd-pstate: avoid uninitialized variable use
  cpufreq: Make cpufreq_unregister_driver() return void
  OPP: fix error checking in opp_migrate_dentry()
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM8550 compatible
  ...
 2023-02-21 12:13:58 -08:00
Linus Torvalds
4a7d37e824 hardening updates for v6.3-rc1 
- Replace 0-length and 1-element arrays with flexible arrays in various
   subsystems (Paulo Miguel Almeida, Stephen Rothwell, Kees Cook)
 
 - randstruct: Disable Clang 15 support (Eric Biggers)
 
 - GCC plugins: Drop -std=gnu++11 flag (Sam James)
 
 - strpbrk(): Refactor to use strchr() (Andy Shevchenko)
 
 - LoadPin LSM: Allow root filesystem switching when non-enforcing
 
 - fortify: Use dynamic object size hints when available
 
 - ext4: Fix CFI function prototype mismatch
 
 - Nouveau: Fix DP buffer size arguments
 
 - hisilicon: Wipe entire crypto DMA pool on error
 
 - coda: Fully allocate sig_inputArgs
 
 - UBSAN: Improve arm64 trap code reporting
 
 - copy_struct_from_user(): Add minimum bounds check on kernel buffer size
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Merge tag 'hardening-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening updates from Kees Cook:
 "Beyond some specific LoadPin, UBSAN, and fortify features, there are
  other fixes scattered around in various subsystems where maintainers
  were okay with me carrying them in my tree or were non-responsive but
  the patches were reviewed by others:

   - Replace 0-length and 1-element arrays with flexible arrays in
     various subsystems (Paulo Miguel Almeida, Stephen Rothwell, Kees
     Cook)

   - randstruct: Disable Clang 15 support (Eric Biggers)

   - GCC plugins: Drop -std=gnu++11 flag (Sam James)

   - strpbrk(): Refactor to use strchr() (Andy Shevchenko)

   - LoadPin LSM: Allow root filesystem switching when non-enforcing

   - fortify: Use dynamic object size hints when available

   - ext4: Fix CFI function prototype mismatch

   - Nouveau: Fix DP buffer size arguments

   - hisilicon: Wipe entire crypto DMA pool on error

   - coda: Fully allocate sig_inputArgs

   - UBSAN: Improve arm64 trap code reporting

   - copy_struct_from_user(): Add minimum bounds check on kernel buffer
     size"

* tag 'hardening-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  randstruct: disable Clang 15 support
  uaccess: Add minimum bounds check on kernel buffer size
  arm64: Support Clang UBSAN trap codes for better reporting
  coda: Avoid partial allocation of sig_inputArgs
  gcc-plugins: drop -std=gnu++11 to fix GCC 13 build
  lib/string: Use strchr() in strpbrk()
  crypto: hisilicon: Wipe entire pool on error
  net/i40e: Replace 0-length array with flexible array
  io_uring: Replace 0-length array with flexible array
  ext4: Fix function prototype mismatch for ext4_feat_ktype
  i915/gvt: Replace one-element array with flexible-array member
  drm/nouveau/disp: Fix nvif_outp_acquire_dp() argument size
  LoadPin: Allow filesystem switch when not enforcing
  LoadPin: Move pin reporting cleanly out of locking
  LoadPin: Refactor sysctl initialization
  LoadPin: Refactor read-only check into a helper
  ARM: ixp4xx: Replace 0-length arrays with flexible arrays
  fortify: Use __builtin_dynamic_object_size() when available
  rxrpc: replace zero-lenth array with DECLARE_FLEX_ARRAY() helper
 2023-02-21 11:07:23 -08:00
Linus Torvalds
902d9fcd8d seccomp update for v6.3-rc1 
- Fix kernel-doc function name ordering to avoid warning (Randy Dunlap)
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Merge tag 'seccomp-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp update from Kees Cook:

 - Fix kernel-doc function name ordering to avoid warning (Randy Dunlap)

* tag 'seccomp-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  seccomp: fix kernel-doc function name warning
 2023-02-21 11:04:56 -08:00
Linus Torvalds
8cc01d43f8 RCU pull request for v6.3 
This pull request contains the following branches:
 
 doc.2023.01.05a: Documentation updates.
 
 fixes.2023.01.23a: Miscellaneous fixes, perhaps most notably:
 
 o	Throttling callback invocation based on the number of callbacks
 	that are now ready to invoke instead of on the total number
 	of callbacks.
 
 o	Several patches that suppress false-positive boot-time
 	diagnostics, for example, due to lockdep not yet being
 	initialized.
 
 o	Make expedited RCU CPU stall warnings dump stacks of any tasks
 	that are blocking the stalled grace period.  (Normal RCU CPU
 	stall warnings have doen this for mnay years.)
 
 o	Lazy-callback fixes to avoid delays during boot, suspend, and
 	resume.  (Note that lazy callbacks must be explicitly enabled,
 	so this should not (yet) affect production use cases.)
 
 kvfree.2023.01.03a: Cause kfree_rcu() and friends to take advantage of
 	polled grace periods, thus reducing memory footprint by almost
 	two orders of magnitude, admittedly on a microbenchmark.
 	This series also begins the transition from kfree_rcu(p) to
 	kfree_rcu_mightsleep(p).  This transition was motivated by bugs
 	where kfree_rcu(p), which can block, was typed instead of the
 	intended kfree_rcu(p, rh).
 
 srcu.2023.01.03a: SRCU updates, perhaps most notably fixing a bug that
 	causes SRCU to fail when booted on a system with a non-zero boot
 	CPU.  This surprising situation actually happens for kdump kernels
 	on the powerpc architecture.  It also adds an srcu_down_read()
 	and srcu_up_read(), which act like srcu_read_lock() and
 	srcu_read_unlock(), but allow an SRCU read-side critical section
 	to be handed off from one task to another.
 
 srcu-always.2023.02.02a: Cleans up the now-useless SRCU Kconfig option.
 	There are a few more commits that are not yet acked or pulled
 	into maintainer trees, and these will be in a pull request for
 	a later merge window.
 
 tasks.2023.01.03a: RCU-tasks updates, perhaps most notably these fixes:
 
 o	A strange interaction between PID-namespace unshare and the
 	RCU-tasks grace period that results in a low-probability but
 	very real hang.
 
 o	A race between an RCU tasks rude grace period on a single-CPU
 	system and CPU-hotplug addition of the second CPU that can result
 	in a too-short grace period.
 
 o	A race between shrinking RCU tasks down to a single callback list
 	and queuing a new callback to some other CPU, but where that
 	queuing is delayed for more than an RCU grace period.  This can
 	result in that callback being stranded on the non-boot CPU.
 
 torture.2023.01.05a: Torture-test updates and fixes.
 
 torturescript.2023.01.03a: Torture-test scripting updates and fixes.
 
 stall.2023.01.09a: Provide additional RCU CPU stall-warning information
 	in kernels built with CONFIG_RCU_CPU_STALL_CPUTIME=y, and
 	restore the full five-minute timeout limit for expedited RCU
 	CPU stall warnings.
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Merge tag 'rcu.2023.02.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU updates from Paul McKenney:

 - Documentation updates

 - Miscellaneous fixes, perhaps most notably:

      - Throttling callback invocation based on the number of callbacks
        that are now ready to invoke instead of on the total number of
        callbacks

      - Several patches that suppress false-positive boot-time
        diagnostics, for example, due to lockdep not yet being
        initialized

      - Make expedited RCU CPU stall warnings dump stacks of any tasks
        that are blocking the stalled grace period. (Normal RCU CPU
        stall warnings have done this for many years)

      - Lazy-callback fixes to avoid delays during boot, suspend, and
        resume. (Note that lazy callbacks must be explicitly enabled, so
        this should not (yet) affect production use cases)

 - Make kfree_rcu() and friends take advantage of polled grace periods,
   thus reducing memory footprint by almost two orders of magnitude,
   admittedly on a microbenchmark

   This also begins the transition from kfree_rcu(p) to
   kfree_rcu_mightsleep(p). This transition was motivated by bugs where
   kfree_rcu(p), which can block, was typed instead of the intended
   kfree_rcu(p, rh)

 - SRCU updates, perhaps most notably fixing a bug that causes SRCU to
   fail when booted on a system with a non-zero boot CPU. This
   surprising situation actually happens for kdump kernels on the
   powerpc architecture

   This also adds an srcu_down_read() and srcu_up_read(), which act like
   srcu_read_lock() and srcu_read_unlock(), but allow an SRCU read-side
   critical section to be handed off from one task to another

 - Clean up the now-useless SRCU Kconfig option

   There are a few more commits that are not yet acked or pulled into
   maintainer trees, and these will be in a pull request for a later
   merge window

 - RCU-tasks updates, perhaps most notably these fixes:

      - A strange interaction between PID-namespace unshare and the
        RCU-tasks grace period that results in a low-probability but
        very real hang

      - A race between an RCU tasks rude grace period on a single-CPU
        system and CPU-hotplug addition of the second CPU that can
        result in a too-short grace period

      - A race between shrinking RCU tasks down to a single callback
        list and queuing a new callback to some other CPU, but where
        that queuing is delayed for more than an RCU grace period. This
        can result in that callback being stranded on the non-boot CPU

 - Torture-test updates and fixes

 - Torture-test scripting updates and fixes

 - Provide additional RCU CPU stall-warning information in kernels built
   with CONFIG_RCU_CPU_STALL_CPUTIME=y, and restore the full five-minute
   timeout limit for expedited RCU CPU stall warnings

* tag 'rcu.2023.02.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits)
  rcu/kvfree: Add kvfree_rcu_mightsleep() and kfree_rcu_mightsleep()
  kernel/notifier: Remove CONFIG_SRCU
  init: Remove "select SRCU"
  fs/quota: Remove "select SRCU"
  fs/notify: Remove "select SRCU"
  fs/btrfs: Remove "select SRCU"
  fs: Remove CONFIG_SRCU
  drivers/pci/controller: Remove "select SRCU"
  drivers/net: Remove "select SRCU"
  drivers/md: Remove "select SRCU"
  drivers/hwtracing/stm: Remove "select SRCU"
  drivers/dax: Remove "select SRCU"
  drivers/base: Remove CONFIG_SRCU
  rcu: Disable laziness if lazy-tracking says so
  rcu: Track laziness during boot and suspend
  rcu: Remove redundant call to rcu_boost_kthread_setaffinity()
  rcu: Allow up to five minutes expedited RCU CPU stall-warning timeouts
  rcu: Align the output of RCU CPU stall warning messages
  rcu: Add RCU stall diagnosis information
  sched: Add helper nr_context_switches_cpu()
  ...
 2023-02-21 10:45:51 -08:00
Linus Torvalds
8ca8d89b43 cgroup changes for v6.3-rc1 
All the commits are trivial. Doc updates and a trivial code cleanup.
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Merge tag 'cgroup-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup updates from Tejun Heo:
 "All the changes are trivial: documentation updates and a trivial code
  cleanup"

* tag 'cgroup-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup/cpuset: fix a few kernel-doc warnings & coding style
  docs: cgroup-v1: use numbered lists for user interface setup
  docs: cgroup-v1: add internal cross-references
  docs: cgroup-v1: make swap extension subsections subsections
  docs: cgroup-v1: use bullet lists for list of stat file tables
  docs: cgroup-v1: move hierarchy of accounting caption
  docs: cgroup-v1: fix footnotes
  docs: cgroup-v1: use code block for locking order schema
  docs: cgroup-v1: wrap remaining admonitions in admonition blocks
  docs: cgroup-v1: replace custom note constructs with appropriate admonition blocks
  cgroup/cpuset: no need to explicitly init a global static variable
 2023-02-21 10:36:29 -08:00
Linus Torvalds
3e82b41e1e workqueue changes for v6.3-rc1 
* When per-cpu workqueue workers expire after sitting idle for too long,
   they used to wake up to the CPU that they're bound to to exit. This
   unfortunately could cause unwanted disturbances on CPUs isolated for e.g.
   RT applications. The worker exit path is restructured so that an existing
   worker is unbound from its CPU before being woken up for the last time,
   allowing it to migrate away from an isolated CPU for exiting.
 
 * A couple debug improvements. Watchdog dump is made more compact and
   workqueue now warns if used-after-free during the RCU grace period after
   destroy_workqueue().
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Merge tag 'wq-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:

 - When per-cpu workqueue workers expire after sitting idle for too
   long, they used to wake up to the CPU that they're bound to in order
   to exit. This unfortunately could cause unwanted disturbances on CPUs
   isolated for e.g. RT applications.

   The worker exit path is restructured so that an existing worker is
   unbound from its CPU before being woken up for the last time,
   allowing it to migrate away from an isolated CPU for exiting.

 - A couple debug improvements. Watchdog dump is made more compact and
   workqueue now warns if used-after-free during the RCU grace period
   after destroy_workqueue().

* tag 'wq-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Fold rebind_worker() within rebind_workers()
  workqueue: Unbind kworkers before sending them to exit()
  workqueue: Don't hold any lock while rcuwait'ing for !POOL_MANAGER_ACTIVE
  workqueue: Convert the idle_timer to a timer + work_struct
  workqueue: Factorize unbind/rebind_workers() logic
  workqueue: Protects wq_unbound_cpumask with wq_pool_attach_mutex
  workqueue: Make show_pwq() use run-length encoding
  workqueue: Add a new flag to spot the potential UAF error
 2023-02-21 10:25:48 -08:00
Linus Torvalds
9e58df973d Updates for the interrupt subsystem: 
Core:
 
     - Move the interrupt affinity spreading mechanism into lib/group_cpus
       so it can be used for similar spreading requirements, e.g. in the
       block multi-queue code.
 
       This also contains a first usecase in the block multi-queue code which
       Jens asked to take along with the librarization.
 
     - Improve irqdomain locking to close a number race conditions which
       can be observed with massive parallel device driver probing.
 
     - Enforce and document the semantics of disable_irq() which cannot be
       invoked safely from non-sleepable context.
 
     - Move the IPI multiplexing code from the Apple AIC driver into the
       core. so it can be reused by RISCV.
 
   Drivers:
 
     - Plug OF node refcounting leaks in various drivers.
 
     - Correctly mark level triggered interrupts in the Broadcom L2 drivers.
 
     - The usual small fixes and improvements.
 
     - No new drivers for the record!
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Merge tag 'irq-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "Updates for the interrupt subsystem:

  Core:

   - Move the interrupt affinity spreading mechanism into lib/group_cpus
     so it can be used for similar spreading requirements, e.g. in the
     block multi-queue code

     This also contains a first usecase in the block multi-queue code
     which Jens asked to take along with the librarization

   - Improve irqdomain locking to close a number race conditions which
     can be observed with massive parallel device driver probing

   - Enforce and document the semantics of disable_irq() which cannot be
     invoked safely from non-sleepable context

   - Move the IPI multiplexing code from the Apple AIC driver into the
     core, so it can be reused by RISCV

  Drivers:

   - Plug OF node refcounting leaks in various drivers

   - Correctly mark level triggered interrupts in the Broadcom L2
     drivers

   - The usual small fixes and improvements

   - No new drivers for the record!"

* tag 'irq-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
  irqchip/irq-bcm7120-l2: Set IRQ_LEVEL for level triggered interrupts
  irqchip/irq-brcmstb-l2: Set IRQ_LEVEL for level triggered interrupts
  irqdomain: Switch to per-domain locking
  irqchip/mvebu-odmi: Use irq_domain_create_hierarchy()
  irqchip/loongson-pch-msi: Use irq_domain_create_hierarchy()
  irqchip/gic-v3-mbi: Use irq_domain_create_hierarchy()
  irqchip/gic-v3-its: Use irq_domain_create_hierarchy()
  irqchip/gic-v2m: Use irq_domain_create_hierarchy()
  irqchip/alpine-msi: Use irq_domain_add_hierarchy()
  x86/uv: Use irq_domain_create_hierarchy()
  x86/ioapic: Use irq_domain_create_hierarchy()
  irqdomain: Clean up irq_domain_push/pop_irq()
  irqdomain: Drop leftover brackets
  irqdomain: Drop dead domain-name assignment
  irqdomain: Drop revmap mutex
  irqdomain: Fix domain registration race
  irqdomain: Fix mapping-creation race
  irqdomain: Refactor __irq_domain_alloc_irqs()
  irqdomain: Look for existing mapping only once
  irqdomain: Drop bogus fwspec-mapping error handling
  ...
 2023-02-21 10:03:48 -08:00
Linus Torvalds
560b803067 Updates for timekeeping, timers and clockevent/source drivers: 
Core:
 
     - Yet another round of improvements to make the clocksource watchdog
       more robust:
 
       	 - Relax the clocksource-watchdog skew criteria to match the NTP
            criteria.
 
 	 - Temporarily skip the watchdog when high memory latencies are
 	   detected which can lead to false-positives.
 
 	 - Provide an option to enable TSC skew detection even on systems
            where TSC is marked as reliable.
 
       Sigh!
 
     - Initialize the restart block in the nanosleep syscalls to be directed
       to the no restart function instead of doing a partial setup on entry.
 
       This prevents an erroneous restart_syscall() invocation from
       corrupting user space data. While such a situation is clearly a user
       space bug, preventing this is a correctness issue and caters to the
       least suprise principle.
 
     - Ignore the hrtimer slack for realtime tasks in schedule_hrtimeout()
       to align it with the nanosleep semantics.
 
   Drivers:
 
     - The obligatory new driver bindings for Mediatek, Rockchip and RISC-V
       variants.
 
     - Add support for the C3STOP misfeature to the RISC-V timer to handle
       the case where the timer stops in deeper idle state.
 
     - Set up a static key in the RISC-V timer correctly before first use.
 
     - The usual small improvements and fixes all over the place
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Merge tag 'timers-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Updates for timekeeping, timers and clockevent/source drivers:

  Core:

   - Yet another round of improvements to make the clocksource watchdog
     more robust:

       - Relax the clocksource-watchdog skew criteria to match the NTP
         criteria.

       - Temporarily skip the watchdog when high memory latencies are
         detected which can lead to false-positives.

       - Provide an option to enable TSC skew detection even on systems
         where TSC is marked as reliable.

     Sigh!

   - Initialize the restart block in the nanosleep syscalls to be
     directed to the no restart function instead of doing a partial
     setup on entry.

     This prevents an erroneous restart_syscall() invocation from
     corrupting user space data. While such a situation is clearly a
     user space bug, preventing this is a correctness issue and caters
     to the least suprise principle.

   - Ignore the hrtimer slack for realtime tasks in schedule_hrtimeout()
     to align it with the nanosleep semantics.

  Drivers:

   - The obligatory new driver bindings for Mediatek, Rockchip and
     RISC-V variants.

   - Add support for the C3STOP misfeature to the RISC-V timer to handle
     the case where the timer stops in deeper idle state.

   - Set up a static key in the RISC-V timer correctly before first use.

   - The usual small improvements and fixes all over the place"

* tag 'timers-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
  clocksource/drivers/timer-sun4i: Add CLOCK_EVT_FEAT_DYNIRQ
  clocksource/drivers/em_sti: Mark driver as non-removable
  clocksource/drivers/sh_tmu: Mark driver as non-removable
  clocksource/drivers/riscv: Patch riscv_clock_next_event() jump before first use
  clocksource/drivers/timer-microchip-pit64b: Add delay timer
  clocksource/drivers/timer-microchip-pit64b: Select driver only on ARM
  dt-bindings: timer: sifive,clint: add comaptibles for T-Head's C9xx
  dt-bindings: timer: mediatek,mtk-timer: add MT8365
  clocksource/drivers/riscv: Get rid of clocksource_arch_init() callback
  clocksource/drivers/sh_cmt: Mark driver as non-removable
  clocksource/drivers/timer-microchip-pit64b: Drop obsolete dependency on COMPILE_TEST
  clocksource/drivers/riscv: Increase the clock source rating
  clocksource/drivers/timer-riscv: Set CLOCK_EVT_FEAT_C3STOP based on DT
  dt-bindings: timer: Add bindings for the RISC-V timer device
  RISC-V: time: initialize hrtimer based broadcast clock event device
  dt-bindings: timer: rk-timer: Add rktimer for rv1126
  time/debug: Fix memory leak with using debugfs_lookup()
  clocksource: Enable TSC watchdog checking of HPET and PMTMR only when requested
  posix-timers: Use atomic64_try_cmpxchg() in __update_gt_cputime()
  clocksource: Verify HPET and PMTMR when TSC unverified
  ...
 2023-02-21 09:45:13 -08:00
Jakub Kicinski
d1fabc68f8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Per-next-PR merge.

net/smc/af_smc.c
  b5dd4d6981 ("net/smc: llc_conf_mutex refactor, replace it with rw_semaphore")
  e40b801b36 ("net/smc: fix potential panic dues to unprotected smc_llc_srv_add_link()")
https://lore.kernel.org/all/20230221124008.6303c330@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2023-02-21 09:29:25 -08:00
Linus Torvalds
056612fd41 Miscellaneous cleanups in X86: 
- Correct the common copy and pasted mishandling of kstrtobool() in the
     strict_sas_size() setup function.
 
   - Make recalibrate_cpu_khz() an GPL only export.
 
   - Check TSC feature before doing anything else which avoids pointless
     code execution if TSC is not available.
 
   - Remove or fixup stale and misleading comments.
 
   - Remove unused or pointelessly duplicated variables.
 
   - Spelling and typo fixes.
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Merge tag 'x86-cleanups-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull miscellaneous x86 cleanups from Thomas Gleixner:

 - Correct the common copy and pasted mishandling of kstrtobool() in the
   strict_sas_size() setup function

 - Make recalibrate_cpu_khz() an GPL only export

 - Check TSC feature before doing anything else which avoids pointless
   code execution if TSC is not available

 - Remove or fixup stale and misleading comments

 - Remove unused or pointelessly duplicated variables

 - Spelling and typo fixes

* tag 'x86-cleanups-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/hotplug: Remove incorrect comment about mwait_play_dead()
  x86/tsc: Do feature check as the very first thing
  x86/tsc: Make recalibrate_cpu_khz() export GPL only
  x86/cacheinfo: Remove unused trace variable
  x86/Kconfig: Fix spellos & punctuation
  x86/signal: Fix the value returned by strict_sas_size()
  x86/cpu: Remove misleading comment
  x86/setup: Move duplicate boot_cpu_data definition out of the ifdeffery
  x86/boot/e820: Fix typo in e820.c comment
 2023-02-21 09:24:08 -08:00
Ilias Apalodimas
4d4266e3fd page_pool: add a comment explaining the fragment counter usage 
When reading the page_pool code the first impression is that keeping
two separate counters, one being the page refcnt and the other being
fragment pp_frag_count, is counter-intuitive.

However without that fragment counter we don't know when to reliably
destroy or sync the outstanding DMA mappings.  So let's add a comment
explaining this part.

Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/r/20230217222130.85205-1-ilias.apalodimas@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2023-02-21 09:15:39 -08:00
Vladimir Oltean
a00da30c05 net: ethtool: fix __ethtool_dev_mm_supported() implementation 
The MAC Merge layer is supported when ops->get_mm() returns 0.
The implementation was changed during review, and in this process, a bug
was introduced.

Link: https://lore.kernel.org/netdev/20230111161706.1465242-5-vladimir.oltean@nxp.com/
Fixes: 04692c9020 ("net: ethtool: netlink: retrieve stats from multiple sources (eMAC, pMAC)")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ferenc Fejes <fejes@inf.elte.hu>
Link: https://lore.kernel.org/all/20230220122343.1156614-2-vladimir.oltean@nxp.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2023-02-21 09:05:01 -08:00
Bo Liu
7ec077744a ethtool: pse-pd: Fix double word in comments 
Remove the repeated word "for" in comments.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20230221083036.2414-1-liubo03@inspur.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2023-02-21 09:02:13 -08:00
Xuan Zhuo
951bce29c8 xsk: add linux/vmalloc.h to xsk.c 
Fix the failure of the compilation under the sh4.

Because we introduced remap_vmalloc_range() earlier, this has caused
the compilation failure on the sh4 platform. So this introduction of the
header file of linux/vmalloc.h.

config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230221/202302210041.kpPQLlNQ-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=9f78bf330a66cd400b3e00f370f597e9fa939207
        git remote add net-next https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
        git fetch --no-tags net-next master
        git checkout 9f78bf330a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash net/

Fixes: 9f78bf330a ("xsk: support use vaddr as ring")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202302210041.kpPQLlNQ-lkp@intel.com/
Link: https://lore.kernel.org/r/20230221075140.46988-1-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2023-02-21 09:00:09 -08:00
Linus Torvalds
3f0b0903fd - Add getcpu support for the 32-bit version of the vDSO 
- Some smaller fixes
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Merge tag 'x86_vdso_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 vdso updates from Borislav Petkov:

 - Add getcpu support for the 32-bit version of the vDSO

 - Some smaller fixes

* tag 'x86_vdso_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vdso: Fix -Wmissing-prototypes warnings
  x86/vdso: Fake 32bit VDSO build on 64bit compile for vgetcpu
  selftests: Emit a warning if getcpu() is missing on 32bit
  x86/vdso: Provide getcpu for x86-32.
  x86/cpu: Provide the full setup for getcpu() on x86-32
  x86/vdso: Move VDSO image init to vdso2c generated code
 2023-02-21 08:54:41 -08:00
Linus Torvalds
efebca0ba9 - Fix mixed steppings support on AMD which got broken somewhere along 
the way
 
 - Improve revision reporting
 
 - Properly check CPUID capabilities after late microcode upgrade to
   avoid false positives
 
 - A garden variety of other small fixes
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Merge tag 'x86_microcode_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 microcode loader updates from Borislav Petkov:

 - Fix mixed steppings support on AMD which got broken somewhere along
   the way

 - Improve revision reporting

 - Properly check CPUID capabilities after late microcode upgrade to
   avoid false positives

 - A garden variety of other small fixes

* tag 'x86_microcode_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode/core: Return an error only when necessary
  x86/microcode/AMD: Fix mixed steppings support
  x86/microcode/AMD: Add a @cpu parameter to the reloading functions
  x86/microcode/amd: Remove load_microcode_amd()'s bsp parameter
  x86/microcode: Allow only "1" as a late reload trigger value
  x86/microcode/intel: Print old and new revision during early boot
  x86/microcode/intel: Pass the microcode revision to print_ucode_info() directly
  x86/microcode: Adjust late loading result reporting message
  x86/microcode: Check CPU capabilities after late microcode update correctly
  x86/microcode: Add a parameter to microcode_check() to store CPU capabilities
  x86/microcode: Use the DEVICE_ATTR_RO() macro
  x86/microcode/AMD: Handle multiple glued containers properly
  x86/microcode/AMD: Rename a couple of functions
 2023-02-21 08:47:36 -08:00
Linus Torvalds
aa8c3db40a - Add support for a new AMD feature called slow memory bandwidth 
allocation.  Its goal is to control resource allocation in external slow
 memory which is connected to the machine like for example through CXL devices,
 accelerators etc
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Merge tag 'x86_cache_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 resource control updates from Borislav Petkov:

 - Add support for a new AMD feature called slow memory bandwidth
   allocation. Its goal is to control resource allocation in external
   slow memory which is connected to the machine like for example
   through CXL devices, accelerators etc

* tag 'x86_cache_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/resctrl: Fix a silly -Wunused-but-set-variable warning
  Documentation/x86: Update resctrl.rst for new features
  x86/resctrl: Add interface to write mbm_local_bytes_config
  x86/resctrl: Add interface to write mbm_total_bytes_config
  x86/resctrl: Add interface to read mbm_local_bytes_config
  x86/resctrl: Add interface to read mbm_total_bytes_config
  x86/resctrl: Support monitor configuration
  x86/resctrl: Add __init attribute to rdt_get_mon_l3_config()
  x86/resctrl: Detect and configure Slow Memory Bandwidth Allocation
  x86/resctrl: Include new features in command line options
  x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag
  x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA
  x86/cpufeatures: Add Slow Memory Bandwidth Allocation feature flag
  x86/resctrl: Replace smp_call_function_many() with on_each_cpu_mask()
 2023-02-21 08:38:45 -08:00
Linus Torvalds
1adce1b944 - Teach the static_call patching infrastructure to handle conditional 
tall calls properly which can be static calls too
 
 - Add proper struct alt_instr.flags which controls different aspects of
   insn patching behavior
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Merge tag 'x86_alternatives_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 asm alternatives updates from Borislav Petkov:

 - Teach the static_call patching infrastructure to handle conditional
   tall calls properly which can be static calls too

 - Add proper struct alt_instr.flags which controls different aspects of
   insn patching behavior

* tag 'x86_alternatives_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/static_call: Add support for Jcc tail-calls
  x86/alternatives: Teach text_poke_bp() to patch Jcc.d32 instructions
  x86/alternatives: Introduce int3_emulate_jcc()
  x86/alternatives: Add alt_instr.flags
 2023-02-21 08:27:47 -08:00
Linus Torvalds
d9de5ce8a5 - Add a driver for the RAS functionality on Xilinx's on chip memory 
controller
 
 - Add support for decoding errors from the first and second level memory
   on SKL-based hardware
 
 - Add support for the memory controllers in Intel Granite Rapids and
   Emerald Rapids machines
 
 - First round of amd64_edac driver simplification and removal of
   unneeded functionality
 
 - The usual cleanups and fixes
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Merge tag 'edac_updates_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC updates from Borislav Petkov:

 - Add a driver for the RAS functionality on Xilinx's on chip memory
   controller

 - Add support for decoding errors from the first and second level
   memory on SKL-based hardware

 - Add support for the memory controllers in Intel Granite Rapids and
   Emerald Rapids machines

 - First round of amd64_edac driver simplification and removal of
   unneeded functionality

 - The usual cleanups and fixes

* tag 'edac_updates_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/amd64: Shut up an -Werror,-Wsometimes-uninitialized clang false positive
  EDAC/amd64: Remove early_channel_count()
  EDAC/amd64: Remove PCI Function 0
  EDAC/amd64: Remove PCI Function 6
  EDAC/amd64: Remove scrub rate control for Family 17h and later
  EDAC/amd64: Don't set up EDAC PCI control on Family 17h+
  EDAC/i10nm: Add driver decoder for Sapphire Rapids server
  EDAC/i10nm: Add Intel Granite Rapids server support
  EDAC/i10nm: Make more configurations CPU model specific
  EDAC/i10nm: Add Intel Emerald Rapids server support
  EDAC/skx_common: Delete duplicated and unreachable code
  EDAC/skx_common: Enable EDAC support for the "near" memory
  EDAC/qcom: Add platform_device_id table for module autoloading
  EDAC/zynqmp: Add EDAC support for Xilinx ZynqMP OCM
  dt-bindings: edac: Add bindings for Xilinx ZynqMP OCM
 2023-02-21 08:10:03 -08:00
Linus Torvalds
0246725d73 - Add support for reporting more bits of the physical address on error, 
on newer AMD CPUs
 
 - Mask out bits which don't belong to the address of the error being
   reported
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Merge tag 'ras_core_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RAS updates from Borislav Petkov:

 - Add support for reporting more bits of the physical address on error,
   on newer AMD CPUs

 - Mask out bits which don't belong to the address of the error being
   reported

* tag 'ras_core_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Mask out non-address bits from machine check bank
  x86/mce: Add support for Extended Physical Address MCA changes
  x86/mce: Define a function to extract ErrorAddr from MCA_ADDR
 2023-02-21 08:04:51 -08:00
Jiri Pirko
f922c7b1c1 sefltests: netdevsim: wait for devlink instance after netns removal 
When devlink instance is put into network namespace and that network
namespace gets deleted, devlink instance is moved back into init_ns.
This is done as a part of cleanup_net() routine. Since cleanup_net()
is called asynchronously from workqueue, there is no guarantee that
the devlink instance move is done after "ip netns del" returns.

So fix this race by making sure that the devlink instance is present
before any other operation.

Reported-by: Amir Tzin <amirtz@nvidia.com>
Fixes: b74c37fd35 ("selftests: netdevsim: add tests for devlink reload with resources")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://lore.kernel.org/r/20230220132336.198597-1-jiri@resnulli.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 2023-02-21 13:02:42 +01:00
Roxana Nicolescu
b60417a9f2 selftest: fib_tests: Always cleanup before exit 
Usage of `set -e` before executing a command causes immediate exit
on failure, without cleanup up the resources allocated at setup.
This can affect the next tests that use the same resources,
leading to a chain of failures.

A simple fix is to always call cleanup function when the script exists.
This approach is already used by other existing tests.

Fixes: 1056691b26 ("selftests: fib_tests: Make test results more verbose")
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
Link: https://lore.kernel.org/r/20230220110400.26737-2-roxana.nicolescu@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 2023-02-21 10:45:08 +01:00
Linus Torvalds
89f5349e06 Changes in this cycle: 
- Simplify add_rtc_cmos()
 
  - Use strscpy() in the mcelog code
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-platform-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 platform update from Ingo Molnar:

 - Simplify add_rtc_cmos()

 - Use strscpy() in the mcelog code

* tag 'x86-platform-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce/dev-mcelog: use strscpy() to instead of strncpy()
  x86/rtc: Simplify PNP ids check
 2023-02-20 19:04:54 -08:00
Linus Torvalds
238b05ec99 Micro-optimize __flush_tlb_all(). 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-mm-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 mm update from Ingo Molnar:
 "Micro-optimize __flush_tlb_all()"

* tag 'x86-mm-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu: Use cpu_feature_enabled() when checking global pages support
 2023-02-20 19:00:00 -08:00
Linus Torvalds
2e0ddb34e5 Updates in this cycle: 
- Replace zero-length array in struct xregs_state with flexible-array member,
    to help the enabling of stricter compiler checks.
 
  - Don't set TIF_NEED_FPU_LOAD for PF_IO_WORKER threads.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-fpu-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fpu updates from Ingo Molnar:

 - Replace zero-length array in struct xregs_state with flexible-array
   member, to help the enabling of stricter compiler checks.

 - Don't set TIF_NEED_FPU_LOAD for PF_IO_WORKER threads.

* tag 'x86-fpu-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Don't set TIF_NEED_FPU_LOAD for PF_IO_WORKER threads
  x86/fpu: Replace zero-length array in struct xregs_state with flexible-array member
 2023-02-20 18:50:02 -08:00
Linus Torvalds
8a68bd3e9f Changes in this cycle: 
- Clean up the signal frame layout tests
 
  - Suppress KMSAN false positive reports in arch_within_stack_frames()
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 core updates from Ingo Molnar:

 - Clean up the signal frame layout tests

 - Suppress KMSAN false positive reports in arch_within_stack_frames()

* tag 'x86-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Suppress KMSAN reports in arch_within_stack_frames()
  x86/signal/compat: Move sigaction_compat_abi() to signal_64.c
  x86/signal: Move siginfo field tests
 2023-02-20 18:40:45 -08:00
Linus Torvalds
572640f0c0 Make the 64-bit defconfig the x86 default for all builds, 
unless x86-32 is requested explicitly.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-build-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 build update from Ingo Molnar:
 "Make the 64-bit defconfig the x86 default for all builds, unless
  x86-32 is requested explicitly"

* tag 'x86-build-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/build: Make 64-bit defconfig the default
 2023-02-20 18:36:54 -08:00
Linus Torvalds
35011c67c8 Changes in this cycle: 
- Robustify/fix calling startup_{32,64}() from the decompressor code,
    and removing x86 quirk from scripts/head-object-list.txt as
    a result.
 
  - Do not register processors that cannot be onlined for x2APIC
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-boot-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 boot updates from Ingo Molnar:

 - Robustify/fix calling startup_{32,64}() from the decompressor code,
   and removing x86 quirk from scripts/head-object-list.txt as a result.

 - Do not register processors that cannot be onlined for x2APIC

* tag 'x86-boot-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/acpi/boot: Do not register processors that cannot be onlined for x2APIC
  scripts/head-object-list: Remove x86 from the list
  x86/boot: Robustify calling startup_{32,64}() from the decompressor code
 2023-02-20 18:32:55 -08:00
Linus Torvalds
6be3dafc7c Header fixes and a DocBook fix. 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-asm-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 asm updates from Ingo Molnar:
 "Header fixes and a DocBook fix"

* tag 'x86-asm-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/lib: Fix compiler and kernel-doc warnings
  x86/lib: Include <asm/misc.h> to fix a missing prototypes warning at build time
 2023-02-20 18:25:30 -08:00
Linus Torvalds
1f2d9ffc7a Scheduler updates in this cycle are: 
- Improve the scalability of the CFS bandwidth unthrottling logic
    with large number of CPUs.
 
  - Fix & rework various cpuidle routines, simplify interaction with
    the generic scheduler code. Add __cpuidle methods as noinstr to
    objtool's noinstr detection and fix boatloads of cpuidle bugs & quirks.
 
  - Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS,
    to query previously issued registrations.
 
  - Limit scheduler slice duration to the sysctl_sched_latency period,
    to improve scheduling granularity with a large number of SCHED_IDLE
    tasks.
 
  - Debuggability enhancement on sys_exit(): warn about disabled IRQs,
    but also enable them to prevent a cascade of followup problems and
    repeat warnings.
 
  - Fix the rescheduling logic in prio_changed_dl().
 
  - Micro-optimize cpufreq and sched-util methods.
 
  - Micro-optimize ttwu_runnable()
 
  - Micro-optimize the idle-scanning in update_numa_stats(),
    select_idle_capacity() and steal_cookie_task().
 
  - Update the RSEQ code & self-tests
 
  - Constify various scheduler methods
 
  - Remove unused methods
 
  - Refine __init tags
 
  - Documentation updates
 
  - ... Misc other cleanups, fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - Improve the scalability of the CFS bandwidth unthrottling logic with
   large number of CPUs.

 - Fix & rework various cpuidle routines, simplify interaction with the
   generic scheduler code. Add __cpuidle methods as noinstr to objtool's
   noinstr detection and fix boatloads of cpuidle bugs & quirks.

 - Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS, to query
   previously issued registrations.

 - Limit scheduler slice duration to the sysctl_sched_latency period, to
   improve scheduling granularity with a large number of SCHED_IDLE
   tasks.

 - Debuggability enhancement on sys_exit(): warn about disabled IRQs,
   but also enable them to prevent a cascade of followup problems and
   repeat warnings.

 - Fix the rescheduling logic in prio_changed_dl().

 - Micro-optimize cpufreq and sched-util methods.

 - Micro-optimize ttwu_runnable()

 - Micro-optimize the idle-scanning in update_numa_stats(),
   select_idle_capacity() and steal_cookie_task().

 - Update the RSEQ code & self-tests

 - Constify various scheduler methods

 - Remove unused methods

 - Refine __init tags

 - Documentation updates

 - Misc other cleanups, fixes

* tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (110 commits)
  sched/rt: pick_next_rt_entity(): check list_entry
  sched/deadline: Add more reschedule cases to prio_changed_dl()
  sched/fair: sanitize vruntime of entity being placed
  sched/fair: Remove capacity inversion detection
  sched/fair: unlink misfit task from cpu overutilized
  objtool: mem*() are not uaccess safe
  cpuidle: Fix poll_idle() noinstr annotation
  sched/clock: Make local_clock() noinstr
  sched/clock/x86: Mark sched_clock() noinstr
  x86/pvclock: Improve atomic update of last_value in pvclock_clocksource_read()
  x86/atomics: Always inline arch_atomic64*()
  cpuidle: tracing, preempt: Squash _rcuidle tracing
  cpuidle: tracing: Warn about !rcu_is_watching()
  cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG
  cpuidle: drivers: firmware: psci: Dont instrument suspend code
  KVM: selftests: Fix build of rseq test
  exit: Detect and fix irq disabled state in oops
  cpuidle, arm64: Fix the ARM64 cpuidle logic
  cpuidle: mvebu: Fix duplicate flags assignment
  sched/fair: Limit sched slice duration
  ...
 2023-02-20 17:41:08 -08:00