Commit Graph

1365849 Commits

Author SHA1 Message Date
Bjorn Helgaas
27b1aac553 Merge branch 'pci/dt-bindings'
- Add qcom DT binding for 'global' interrupt (PCIe controller and
  link-specific events) for ipq8074, ipq8074-gen3, ipq6018, sa8775p,
  sc7280, sc8180x sdm845, sm8150, sm8250, sm8350 (Manivannan Sadhasivam)

- Add qcom DT binding for 8 MSI SPI interrupts for msm8998, ipq8074,
  ipq8074-gen3, ipq6018 (Manivannan Sadhasivam)

- Add dw rockchip DT binding for rk3576 and rk3562 (Kever Yang)

- Correct indentation and style of examples in brcm,stb-pcie,
  cdns,cdns-pcie-ep, intel,keembay-pcie-ep, intel,keembay-pcie,
  microchip,pcie-host, rcar-pci-ep, rcar-pci-host, xilinx-versal-cpm
  (Krzysztof Kozlowski)

- Fix include placement in sifive,fu740-pcie example (Krzysztof Kozlowski)

- Convert Marvell EBU (dove, kirkwood, armada-370, armada-xp) and armada8k
  from text to schema DT bindings (Rob Herring)

- Remove obsolete .txt DT bindings for content that has been moved to
  schemas (Rob Herring)

- Add qcom DT binding for MHI registers in IPQ5332, IPQ6018, IPQ8074 and
  IPQ9574 (Varadarajan Narayanan)

- Convert v3,v360epc-pci from text to DT schema binding (Rob Herring)

- Change microchip,pcie-host DT binding to be 'dma-noncoherent' since
  PolarFire may be configured that way (Conor Dooley)

* pci/dt-bindings:
  dt-bindings: PCI: microchip,pcie-host: Fix DMA coherency property
  dt-bindings: PCI: Convert v3,v360epc-pci to DT schema
  dt-bindings: PCI: qcom: Add MHI registers for IPQ9574
  dt-bindings: PCI: Remove obsolete .txt docs
  dt-bindings: PCI: Convert marvell,armada8k-pcie to schema
  dt-bindings: PCI: Convert Marvell EBU to schema
  dt-bindings: PCI: sifive,fu740-pcie: Fix include placement in DTS example
  dt-bindings: PCI: Correct indentation and style in DTS example
  dt-bindings: PCI: dwc: rockchip: Add rk3562 support
  dt-bindings: PCI: dw: rockchip: Add rk3576 support
  dt-bindings: PCI: qcom,pcie-sc8180x: Add 'global' interrupt
  dt-bindings: PCI: qcom: Allow IPQ6018 to use 8 MSI and one 'global' interrupt
  dt-bindings: PCI: qcom: Allow IPQ8074 to use 8 MSI and one 'global' interrupt
  dt-bindings: PCI: qcom: Allow MSM8998 to use 8 MSI and one 'global' interrupt
  dt-bindings: PCI: qcom: Add 'global' interrupt for SDM845 SoC
  dt-bindings: PCI: qcom,pcie-sc7280: Add 'global' interrupt
  dt-bindings: PCI: qcom,pcie-sa8775p: Add 'global' interrupt
  dt-bindings: PCI: qcom,pcie-sm8350: Add 'global' interrupt
  dt-bindings: PCI: qcom,pcie-sm8250: Add 'global' interrupt
  dt-bindings: PCI: qcom,pcie-sm8150: Add 'global' interrupt
2025-06-04 10:50:45 -05:00
Bjorn Helgaas
db847adbf9 Merge branch 'pci/ptm-debugfs'
- Add debugfs support for exposing DWC device-specific PTM context
  (Manivannan Sadhasivam)

* pci/ptm-debugfs:
  PCI: qcom-ep: Mask PTM_UPDATING interrupt
  PCI: dwc: Add debugfs support for PTM context
  PCI: dwc: Pass DWC PCIe mode to dwc_pcie_debugfs_init()
  PCI: Add debugfs support for exposing PTM context
2025-06-04 10:50:44 -05:00
Bjorn Helgaas
df52b63940 Merge branch 'pci/controller/tegra194'
- Create debugfs directory for 'aspm_state_cnt' only when CONFIG_PCIEASPM
  is enabled, since there are no other entries (Hans Zhang)

* pci/controller/tegra194:
  PCI: tegra194: Create debugfs directory only when CONFIG_PCIEASPM is enabled
2025-06-04 10:50:43 -05:00
Bjorn Helgaas
fd0c51f7eb Merge branch 'pci/controller/rockchip'
- Reorder rockchip_pci_core_rsts because reset_control_bulk_deassert()
  deasserts in reverse order, to fix a link training regression (Jensen
  Huang)

- Mark RK3399 as being capable of raising INTx interrupts (Niklas Cassel)

* pci/controller/rockchip:
  PCI: rockchip-ep: Mark RK3399 as intx_capable
  PCI: rockchip: Fix order of rockchip_pci_core_rsts
2025-06-04 10:50:43 -05:00
Bjorn Helgaas
d96c67a57c Merge branch 'pci/controller/rcar-gen4'
- Describe endpoint BAR 4 as being fixed size (Jerome Brunet)

- Document how to obtain R-Car V4H (r8a779g0) controller firmware
  (Yoshihiro Shimoda)

* pci/controller/rcar-gen4:
  PCI: rcar-gen4: Document how to obtain platform firmware
  PCI: rcar-gen4: set ep BAR4 fixed size
2025-06-04 10:50:42 -05:00
Bjorn Helgaas
05cf00aa05 Merge branch 'pci/controller/qcom'
- Add OF support for parsing DT 'eq-presets-<N>gts' property for lane
  equalization presets (Krishna Chaitanya Chundru)

- Read Maximum Link Width from the Link Capabilities register if DT lacks
  'num-lanes' property (Krishna Chaitanya Chundru)

- Add Physical Layer 64 GT/s Capability ID and register offsets for 8, 32,
  and 64 GT/s lane equalization registers (Krishna Chaitanya Chundru)

- Add generic dwc support for configuring lane equalization presets
  (Krishna Chaitanya Chundru)

- Add DT and driver support for PCIe on IPQ5018 SoC (Nitheesh Sekar)

* pci/controller/qcom:
  PCI: qcom: Add support for IPQ5018
  dt-bindings: PCI: qcom: Add IPQ5018 SoC
  PCI: dwc: Add support for configuring lane equalization presets
  PCI: Add lane equalization register offsets
  PCI: dwc: Update pci->num_lanes to maximum supported link width
  PCI: of: Add of_pci_get_equalization_presets() API
2025-06-04 10:50:42 -05:00
Bjorn Helgaas
c7b9c59124 Merge branch 'pci/controller/mvebu'
- Use for_each_of_range() iterator for parsing 'ranges' (Rob Herring)

* pci/controller/mvebu:
  PCI: mvebu: Use for_each_of_range() iterator for parsing "ranges"
2025-06-04 10:50:41 -05:00
Bjorn Helgaas
dee6ce5c6f Merge branch 'pci/controller/mobiveil'
- Use to_delayed_work() instead of open-coding it (Chen Ni)

* pci/controller/mobiveil:
  PCI: ls-gen4: Use to_delayed_work()
2025-06-04 10:50:41 -05:00
Bjorn Helgaas
f4ff0b0ed2 Merge branch 'pci/controller/imx6'
- Apply link training workaround only on IMX6Q, IMX6SX, IMX6SP (Richard
  Zhu)

- Remove redundant dw_pcie_wait_for_link() from imx_pcie_start_link();
  since the DWC core does this, imx6 only needs it when retraining for a
  faster link speed (Richard Zhu)

- Toggle i.MX95 core reset to align with PHY powerup (Richard Zhu)

- Set SYS_AUX_PWR_DET to work around i.MX95 ERR051624 erratum: in some
  cases, the controller can't exit 'L23 Ready' through Beacon or PERST#
  deassertion (Richard Zhu)

- Clear GEN3_ZRXDC_NONCOMPL to work around i.MX95 ERR051586 erratum:
  controller can't meet 2.5 GT/s ZRX-DC timing when operating at 8 GT/s,
  causing timeouts in L1 (Richard Zhu)

- Wait for i.MX95 PLL lock before enabling controller (Richard Zhu)

- Save/restore i.MX95 LUT for suspend/resume (Richard Zhu)

* pci/controller/imx6:
  PCI: imx6: Save and restore the LUT setting during suspend/resume for i.MX95 SoC
  PCI: imx6: Add PLL lock check for i.MX95 SoC
  PCI: imx6: Add workaround for errata ERR051586
  PCI: imx6: Add workaround for errata ERR051624
  PCI: imx6: Toggle the core reset for i.MX95 PCIe
  PCI: imx6: Call dw_pcie_wait_for_link() from start_link() callback only when required
  PCI: imx6: Skip link up workaround for newer platforms
2025-06-04 10:50:40 -05:00
Bjorn Helgaas
20611193be Merge branch 'pci/controller/dwc'
- Set PORT_LOGIC_LINK_WIDTH to one lane to make initial link training more
  robust; this will not affect the intended link width if all lanes are
  functional (Wenbin Yao)

* pci/controller/dwc:
  PCI: dwc: Make link training more robust by setting PORT_LOGIC_LINK_WIDTH to one lane
2025-06-04 10:50:39 -05:00
Bjorn Helgaas
00c78a3c3f Merge branch 'pci/controller/dwc-ep'
- Use FIELD_GET() to simplify extracting register values (Hans Zhang)

* pci/controller/dwc-ep:
  PCI: dwc: ep: Fix errno typo
  PCI: dwc: ep: Use FIELD_GET() where applicable
2025-06-04 10:50:39 -05:00
Bjorn Helgaas
20279628bb Merge branch 'pci/controller/dw-rockchip'
- Check only PCIE_LINKUP, not LTSSM status, to determine whether the link
  is up (Shawn Lin)

- Increase N_FTS (used in L0s->L0 transitions) and enable ASPM L0s for Root
  Complex and Endpoint modes (Shawn Lin)

- Hide the broken ATS Capability in rockchip_pcie_ep_init() instead of
  rockchip_pcie_ep_pre_init() so it stays hidden after PERST# resets
  non-sticky registers (Shawn Lin)

- Remove unused PCIE_CLIENT_GENERAL_DEBUG definition (Hans Zhang)

- Organize register and bitfield definitions logically (Hans Zhang)

- Use rockchip_pcie_link_up() to check link up instead of open coding, and
  use GENMASK() and FIELD_GET() when possible (Hans Zhang)

- Call phy_power_off() before phy_exit() in rockchip_pcie_phy_deinit()
  (Diederik de Haas)

- Return bool (not int) for link-up check in dw_pcie_ops.link_up() and
  armada8k, dra7xx, dw-rockchip, exynos, histb, keembay, keystone, kirin,
  meson, qcom, qcom-ep, rcar_gen4, spear13xx, tegra194, uniphier, visconti
  (Hans Zhang)

- Return bool (not int) for link-up check in mobiveil_pab_ops.link_up() and
  layerscape-gen4, mobiveil (Hans Zhang)

- Simplify j721e link-up check (Hans Zhang)

- Convert pci-host-common to a library so platforms that don't need native
  host controller drivers don't need to include these helper functions
  (Manivannan Sadhasivam)

* pci/controller/dw-rockchip:
  PCI: qcom: Replace PERST# sleep time with proper macro
  PCI: dw-rockchip: Replace PERST# sleep time with proper macro
  PCI: host-common: Convert to library for host controller drivers
  PCI: cadence: Simplify J721e link status check
  PCI: mobiveil: Return bool from link up check
  PCI: dwc: Return bool from link up check
  PCI: dw-rockchip: Fix PHY function call sequence in rockchip_pcie_phy_deinit()
  PCI: dw-rockchip: Use rockchip_pcie_link_up() to check link up instead of open coding
  PCI: dw-rockchip: Reorganize register and bitfield definitions
  PCI: dw-rockchip: Remove unused PCIE_CLIENT_GENERAL_DEBUG definition
  PCI: dw-rockchip: Move rockchip_pcie_ep_hide_broken_ats_cap_rk3588() to dw_pcie_ep_ops::init()
  PCI: dw-rockchip: Enable ASPM L0s capability for both RC and EP modes
  PCI: dw-rockchip: Remove PCIE_L0S_ENTRY check from rockchip_pcie_link_up()

# Conflicts:
#	drivers/pci/controller/pcie-apple.c
#	include/linux/pci-ecam.h
2025-06-04 10:50:38 -05:00
Bjorn Helgaas
3f0b36295e Merge branch 'pci/controller/cadence'
- Drop a runtime PM 'put' to resolve a runtime atomic count underflow (Hans
  Zhang)

- Use shared PCIE_MSG_CODE_* definitions and remove duplicate
  cdns_pcie_msg_code definitions (Hans Zhang)

- Make the cadence core buildable as a module (Kishon Vijay Abraham I)

- Add cdns_pcie_host_disable() and cdns_pcie_ep_disable() for use by
  loadable drivers when they are removed (Siddharth Vadapalli)

- Make j721e buildable as a loadable and removable module (Siddharth
  Vadapalli)

- Fix j721e host/endpoint dependencies that result in link failures in
  some configs (Arnd Bergmann)

* pci/controller/cadence:
  PCI: j721e: Fix host/endpoint dependencies
  PCI: j721e: Add support to build as a loadable module
  PCI: cadence-ep: Introduce cdns_pcie_ep_disable() helper for cleanup
  PCI: cadence-host: Introduce cdns_pcie_host_disable() helper for cleanup
  PCI: cadence: Add support to build pcie-cadence library as a kernel module
  PCI: cadence: Remove duplicate message code definitions
  PCI: cadence: Fix runtime atomic count underflow
2025-06-04 10:50:04 -05:00
Bjorn Helgaas
c3b2f9dccb Merge branch 'pci/controller/apple'
- Skip ports disabled in DT when setting up ports (Janne Grunau)

- Add t6020 compatible string (Alyssa Rosenzweig)

- Extract ECAM bridge creation helper from pci_host_common_probe() to
  separate driver-specific things like MSI from PCI things (Marc Zyngier)

- Dynamically allocate RID-to_SID bitmap to prepare for SoCs with varying
  capabilities (Marc Zyngier)

- Directly set/clear INTx mask bits because T602x dropped the accessors
  that could do this without locking (Marc Zyngier)

- Move port PHY registers to their own reg items to accommodate T602x,
  which moves them around; retain default offsets for existing DTs that
  lack phy%d entries with the reg offsets (Hector Martin)

- Stop polling for core refclk, which doesn't work on T602x and the
  bootloader has already done anyway (Hector Martin)

- Use gpiod_set_value_cansleep() when asserting PERST# in probe because
  we're allowed to sleep there (Hector Martin)

- Move register offsets into SoC-specific structure (Hector Martin)

- Add T602x PCIe support (Hector Martin)

* pci/controller/apple:
  PCI: apple: Add T602x PCIe support
  PCI: apple: Abstract register offsets via a SoC-specific structure
  PCI: apple: Use gpiod_set_value_cansleep in probe flow
  PCI: apple: Drop poll for CORE_RC_PHYIF_STAT_REFCLK
  PCI: apple: Move port PHY registers to their own reg items
  PCI: apple: Fix missing OF node reference in apple_pcie_setup_port
  PCI: apple: Move away from INTMSK{SET,CLR} for INTx and private interrupts
  PCI: apple: Dynamically allocate RID-to_SID bitmap
  PCI: apple: Move over to standalone probing
  PCI: ecam: Allow cfg->priv to be pre-populated from the root port device
  PCI: host-generic: Extract an ECAM bridge creation helper from pci_host_common_probe()
  dt-bindings: pci: apple,pcie: Add t6020 compatible string
  PCI: apple: Set only available ports up
2025-06-04 10:50:04 -05:00
Bjorn Helgaas
2ce738726a Merge branch 'pci/endpoint'
- For fixed-size BARs, retain both the actual size and the possibly larger
  size allocated to accommodate iATU alignment requirements (Jerome Brunet)

- Simplify ctrl/SPAD space allocation and avoid allocating more space than
  needed (Jerome Brunet)

- Correct MSI-X PBA offset calculations for DesignWare and Cadence endpoint
  controllers (Niklas Cassel)

- Align the return value (number of interrupts) encoding for
  pci_epc_get_msi()/pci_epc_ops::get_msi() and
  pci_epc_get_msix()/pci_epc_ops::get_msix() (Niklas Cassel)

- Align the nr_irqs parameter encoding for
  pci_epc_set_msi()/pci_epc_ops::set_msi() and
  pci_epc_set_msix()/pci_epc_ops::set_msix() (Niklas Cassel)

* pci/endpoint:
  PCI: endpoint: Align pci_epc_set_msix(), pci_epc_ops::set_msix() nr_irqs encoding
  PCI: endpoint: Align pci_epc_set_msi(), pci_epc_ops::set_msi() nr_irqs encoding
  PCI: endpoint: Align pci_epc_get_msix(), pci_epc_ops::get_msix() return value encoding
  PCI: endpoint: Align pci_epc_get_msi(), pci_epc_ops::get_msi() return value encoding
  PCI: cadence-ep: Correct PBA offset in .set_msix() callback
  PCI: dwc: ep: Correct PBA offset in .set_msix() callback
  PCI: endpoint: pci-epf-vntb: Simplify ctrl/SPAD space allocation
  PCI: endpoint: Retain fixed-size BAR size as well as aligned size
2025-06-04 10:50:03 -05:00
Bjorn Helgaas
014dbfe0e4 Merge branch 'pci/virtualization'
- Add an ACS quirk for Loongson Root Ports that don't advertise ACS but
  don't allow peer-to-peer transactions between Root Ports; the quirk
  allows each Root Port to be in a separate IOMMU group (Huacai Chen)

* pci/virtualization:
  PCI: Add ACS quirk for Loongson PCIe
2025-06-04 10:50:03 -05:00
Bjorn Helgaas
df11586119 Merge branch 'pci/reset'
- Fix locking issue in the slot reset path (Ilpo Järvinen)

* pci/reset:
  PCI: Fix lock symmetry in pci_slot_unlock()
2025-06-04 10:50:02 -05:00
Bjorn Helgaas
4dac48e8a7 Merge branch 'pci/pwrctrl'
- Rename pwrctrl Kconfig symbols from 'PWRCTL' to 'PWRCTRL' to match the
  filename paths.  Retain old deprecated symbols for compatibility, except
  for the pwrctrl slot driver (PCI_PWRCTRL_SLOT) (Johan Hovold)

- When unregistering pwrctrl, cancel outstanding rescan work before
  cleaning up data structures to avoid use-after-free issues (Brian Norris)

* pci/pwrctrl:
  arm64: Kconfig: switch to HAVE_PWRCTRL
  wifi: ath12k: switch to PCI_PWRCTRL_PWRSEQ
  wifi: ath11k: switch to PCI_PWRCTRL_PWRSEQ
  PCI/pwrctrl: Rename pwrctrl Kconfig symbols and slot module
  PCI/pwrctrl: Cancel outstanding rescan work when unregistering
2025-06-04 10:50:02 -05:00
Bjorn Helgaas
f377d9cb25 Merge branch 'pci/pm'
- Add pm_runtime_put() cleanup helper for use with __free() to
  automatically drop the device usage count when a pointer goes out of
  scope (Alex Williamson)

- Increment PM usage counter when probing reset methods so we don't try to
  read config space of a powered-off device (Alex Williamson)

- Set all devices to D0 during enumeration to ensure ACPI opregion is
  connected via _REG (Mario Limonciello)

* pci/pm:
  PCI: Explicitly put devices into D0 when initializing
  PCI: Increment PM usage counter when probing reset methods
  PM: runtime: Define pm_runtime_put cleanup helper
2025-06-04 10:50:01 -05:00
Bjorn Helgaas
80fe18d1de Merge branch 'pci/pci-acpi'
- Fix pci_acpi_scan_root() memory leak when we fail to create a PCI bus
  (Zhe Qiao)

* pci/pci-acpi:
  PCI/ACPI: Fix allocated memory release on error in pci_acpi_scan_root()
2025-06-04 10:50:00 -05:00
Bjorn Helgaas
3ebd1305c1 Merge branch 'pci/irq'
- Use of_fwnode_handle() so of_node_to_fwnode() can be removed (Jiri Slaby)

* pci/irq:
  irqdomain: pci: Switch to of_fwnode_handle()
2025-06-04 10:50:00 -05:00
Bjorn Helgaas
bb5c909e6a Merge branch 'pci/hotplug'
- Ignore Presence Detect Changed caused by DPC.  pciehp already ignores
  Link Down/Up events caused by DPC, but on slots using in-band presence
  detect, DPC causes a spurious Presence Detect Changed event (Lukas
  Wunner)

- Ignore Link Down/Up caused by Secondary Bus Reset.  On hotplug ports
  using in-band presence detect, the reset causes a Presence Detect Changed
  event, which mistakenly caused teardown and re-enumeration of the device.
  Drivers may need to annotate code that resets their device (Lukas Wunner)

* pci/hotplug:
  PCI: hotplug: Drop superfluous #include directives
  PCI: pciehp: Ignore Link Down/Up caused by Secondary Bus Reset
  PCI: pciehp: Ignore Presence Detect Changed caused by DPC

# Conflicts:
#	drivers/pci/pci.h
2025-06-04 10:49:59 -05:00
Bjorn Helgaas
68d0370e4e Merge branch 'pci/enumeration'
- Remove pci_fixup_cardbus(), which has no users left (Heiner Kallweit)

- Print the actual delay time in pci_bridge_wait_for_secondary_bus()
  instead of assuming it was 1000ms (Wilfred Mallawa)

- Revert 'iommu/amd: Prevent binding other PCI drivers to IOMMU PCI
  devices', which broke resume from system sleep on AMD platforms and has
  been fixed by other commits (Lukas Wunner)

- Restrict visibility of pci_dev.match_driver since it's no longer used
  outside the PCI core (Lukas Wunner)

* pci/enumeration:
  PCI: Limit visibility of match_driver flag to PCI core
  Revert "iommu/amd: Prevent binding other PCI drivers to IOMMU PCI devices"
  PCI: Print the actual delay time in pci_bridge_wait_for_secondary_bus()
  PCI: Use PCI_STD_NUM_BARS instead of 6
  PCI: Remove pci_fixup_cardbus()

# Conflicts:
#	drivers/pci/pci.h
2025-06-04 10:49:56 -05:00
Bjorn Helgaas
f56278a46d Merge branch 'pci/devres'
- Remove mtip32xx use of pcim_iounmap_regions(), which is deprecated and
  unnecessary (Philipp Stanner)

- Remove pcim_iounmap_regions() and pcim_request_region_exclusive() and
  related flags since all uses have been removed (Philipp Stanner)

- Rework devres 'request' functions so they are no longer 'hybrid', i.e.,
  their behavior no longer depends on whether pcim_enable_device or
  pci_enable_device() was used, and remove related code (Philipp Stanner)

* pci/devres:
  PCI: Remove function pcim_intx() prototype from pci.h
  PCI: Remove hybrid-devres usage warnings from kernel-doc
  PCI: Remove redundant set of request functions
  PCI: Remove exclusive requests flags from _pcim_request_region()
  PCI: Remove pcim_request_region_exclusive()
  Documentation/driver-api: Update pcim_enable_device()
  PCI: Remove hybrid devres nature from request functions
  PCI: Remove pcim_iounmap_regions()
  mtip32xx: Remove unnecessary pcim_iounmap_regions() calls
2025-06-04 10:49:50 -05:00
Bjorn Helgaas
1acf6a5e79 Merge branch 'pci/bwctrl'
- Simplify link bandwidth controller by replacing the count of Link
  Bandwidth Management Status (LBMS) events with a PCI_LINK_LBMS_SEEN flag
  (Ilpo Järvinen)

- Update the Link Speed after retraining, since the Link Speed may have
  changed (Ilpo Järvinen)

* pci/bwctrl:
  PCI: Update Link Speed after retraining
  PCI/bwctrl: Replace lbms_count with PCI_LINK_LBMS_SEEN flag
2025-06-04 10:49:49 -05:00
Bjorn Helgaas
f5b6c76e55 Merge branch 'pci/aer'
- Initialize struct aer_err_info before using it to avoid depending on
  stack garbage (Bjorn Helgaas)

- Log the DPC Error Source ID only when it's actually valid (when ERR_FATAL
  or ERR_NONFATAL was received from a downstream device) and decode into
  bus/device/function (Bjorn Helgaas)

- Consolidate AER Error Source ID in one place for message consistency
  (Bjorn Helgaas)

- Update statistics and emit trace events early in AER logging paths,
  before any potential ratelimiting (Bjorn Helgaas)

- Determine AER log level once and save it so all related messages use the
  same level (Karolina Stolarek)

- Use KERN_WARNING, not KERN_ERR, when logging PCIe Correctable Errors.

- Ratelimit PCIe Correctable and Non-Fatal error logging, with sysfs
  controls on interval and burst count, to avoid flooding logs and RCU
  stall warnings (Jon Pan-Doh)

* pci/aer:
  PCI/ERR: Remove misleading TODO regarding kernel panic
  PCI/AER: Add sysfs attributes for log ratelimits
  PCI/AER: Add ratelimits to PCI AER Documentation
  PCI/AER: Ratelimit correctable and non-fatal error logging
  PCI/AER: Simplify add_error_device()
  PCI/AER: Convert aer_get_device_error_info(), aer_print_error() to index
  PCI/AER: Rename struct aer_stats to aer_info
  PCI/AER: Reduce pci_print_aer() correctable error level to KERN_WARNING
  PCI/ERR: Add printk level to pcie_print_tlp_log()
  PCI/AER: Check log level once and remember it
  PCI/AER: Trace error event before ratelimiting
  PCI/AER: Update statistics before ratelimiting
  PCI/AER: Simplify pci_print_aer()
  PCI/AER: Initialize aer_err_info before using it
  PCI/AER: Move aer_print_source() earlier in file
  PCI/AER: Rename aer_print_port_info() to aer_print_source()
  PCI/AER: Extract bus/dev/fn in aer_print_port_info() with PCI_BUS_NUM(), etc
  PCI/AER: Consolidate Error Source ID logging in aer_isr_one_error_type()
  PCI/AER: Factor COR/UNCOR error handling out from aer_isr_one_error()
  PCI/DPC: Log Error Source ID only when valid
  PCI/DPC: Initialize aer_err_info before using it
2025-06-04 10:49:49 -05:00
Steven Rostedt
1a576136f8 drm/ttm: Fix compile error when CONFIG_SHMEM is not set
When CONFIG_SHMEM is not set, the following compiler error occurs:

  ld: vmlinux.o: in function `ttm_backup_backup_page':
  (.text+0x10363bc): undefined reference to `shmem_writeout'
  make[3]: *** [/work/build/trace/nobackup/linux.git/scripts/Makefile.vmlinux:91: vmlinux.unstripped] Error 1

This is due to the replacement of writepage and calling swap_writeout()
and shmem_writeout() directly.  The issue is that when CONFIG_SHMEM is
not defined, shmem_writeout() is also not defined.

The function ttm_backup_backup_page() called mapping->a_ops->writepage()
which was then changed to call shmem_writeout() directly.

Even before commit 84798514db ("mm: Remove swap_writepage() and
shmem_writepage()"), it didn't make sense to call anything other than
shmem_writeout() as the ttm_backup deals only with shmem folios.

Have DRM_TTM config option select SHMEM to guarantee that
shmem_writeout() is available.

Link: https://lore.kernel.org/all/20250602170500.48713a2b@gandalf.local.home/
Suggested-by: Hugh Dickins <hughd@google.com>
Fixes: 84798514db ("mm: Remove swap_writepage() and shmem_writepage()")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-06-04 08:49:03 -07:00
Manivannan Sadhasivam
308f8c7a62 MAINTAINERS: Update Manivannan Sadhasivam email address
My Linaro email is going to bounce soon, so switch to the kernel.org alias
and add relevant .mailmap entry.

[bhelgaas: squash https://patch.msgid.link/20250604120833.32791-3-manivannan.sadhasivam@linaro.org]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20250604120833.32791-2-manivannan.sadhasivam@linaro.org
2025-06-04 09:26:48 -05:00
Linus Torvalds
5abc7438f1 NFS Clent Updates for Linux 6.16
New Features:
   * Implement the Sunrpc rfc2203 rpcsec_gss sequence number cache
   * Add support for FALLOC_FL_ZERO_RANGE on NFS v4.2
   * Add a localio sysfs attribute
 
 Stable Fixes:
   * Fix double-unlock bug in nfs_return_empty_folio()
   * Don't check for OPEN feature support in v4.1
   * Always probe for LOCALIO support asynchronously
   * Prevent hang on NFS mounts with xprtsec=[m]tls
 
 Other Bugfixes:
   * xattr handlers should check for absent nfs filehandles
   * Fix setattr caching of TIME_[MODIFY|ACCESS]_SET when timestamps are delegated
   * Fix listxattr to return selinux security labels
   * Connect to NFSv3 DS using TLS if MDS connection uses TLS
   * Clear SB_RDONLY before getting a superblock, and ignore when remounting
   * Fix incorrect handling of NFS error codes in nfs4_do_mkdir()
   * Various nfs_localio fixes from Neil Brown that include fixing an
       rcu compilation error found by older gcc versions.
   * Update stats on flexfiles pNFS DSes when receiving NFS4ERR_DELAY
 
 Cleanups:
   * Add a refcount tracker for struct net in the nfs_client
   * Allow FREE_STATEID to clean up delegations
   * Always set NLINK even if the server doesn't support it
   * Cleanups to the NFS folio writeback code
   * Remove dead code from xs_tcp_tls_setup_socket()
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Merge tag 'nfs-for-6.16-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS clent updates from Anna Schumaker:
 "New Features:

   - Implement the Sunrpc rfc2203 rpcsec_gss sequence number cache

   - Add support for FALLOC_FL_ZERO_RANGE on NFS v4.2

   - Add a localio sysfs attribute

  Stable Fixes:

   - Fix double-unlock bug in nfs_return_empty_folio()

   - Don't check for OPEN feature support in v4.1

   - Always probe for LOCALIO support asynchronously

   - Prevent hang on NFS mounts with xprtsec=[m]tls

  Other Bugfixes:

   - xattr handlers should check for absent nfs filehandles

   - Fix setattr caching of TIME_[MODIFY|ACCESS]_SET when timestamps are
     delegated

   - Fix listxattr to return selinux security labels

   - Connect to NFSv3 DS using TLS if MDS connection uses TLS

   - Clear SB_RDONLY before getting a superblock, and ignore when
     remounting

   - Fix incorrect handling of NFS error codes in nfs4_do_mkdir()

   - Various nfs_localio fixes from Neil Brown that include fixing an
     rcu compilation error found by older gcc versions.

   - Update stats on flexfiles pNFS DSes when receiving NFS4ERR_DELAY

  Cleanups:

   - Add a refcount tracker for struct net in the nfs_client

   - Allow FREE_STATEID to clean up delegations

   - Always set NLINK even if the server doesn't support it

   - Cleanups to the NFS folio writeback code

   - Remove dead code from xs_tcp_tls_setup_socket()"

* tag 'nfs-for-6.16-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (30 commits)
  flexfiles/pNFS: update stats on NFS4ERR_DELAY for v4.1 DSes
  nfs_localio: change nfsd_file_put_local() to take a pointer to __rcu pointer
  nfs_localio: protect race between nfs_uuid_put() and nfs_close_local_fh()
  nfs_localio: duplicate nfs_close_local_fh()
  nfs_localio: simplify interface to nfsd for getting nfsd_file
  nfs_localio: always hold nfsd net ref with nfsd_file ref
  nfs_localio: use cmpxchg() to install new nfs_file_localio
  SUNRPC: Remove dead code from xs_tcp_tls_setup_socket()
  SUNRPC: Prevent hang on NFS mount with xprtsec=[m]tls
  nfs: fix incorrect handling of large-number NFS errors in nfs4_do_mkdir()
  nfs: ignore SB_RDONLY when remounting nfs
  nfs: clear SB_RDONLY before getting superblock
  NFS: always probe for LOCALIO support asynchronously
  pnfs/flexfiles: connect to NFSv3 DS using TLS if MDS connection uses TLS
  NFS: add localio to sysfs
  nfs: use writeback_iter directly
  nfs: refactor nfs_do_writepage
  nfs: don't return AOP_WRITEPAGE_ACTIVATE from nfs_do_writepage
  nfs: fold nfs_page_async_flush into nfs_do_writepage
  NFSv4: Always set NLINK even if the server doesn't support it
  ...
2025-06-03 16:13:32 -07:00
Linus Torvalds
6d9b5f6b81 13 smb3/cifs client fixes
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Merge tag 'v6.16-rc-part1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - multichannel fixes (mostly reconnect related), and clarification of
   locking documentation

 - automount null pointer check fix

 - fixes to add support for ParentLeaseKey

 - minor cleanup

 - smb1/cifs fixes

* tag 'v6.16-rc-part1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update the lock ordering comments with new mutex
  cifs: dns resolution is needed only for primary channel
  cifs: update dstaddr whenever channel iface is updated
  cifs: reset connections for all channels when reconnect requested
  smb: client: use ParentLeaseKey in cifs_do_create
  smb: client: use ParentLeaseKey in open_cached_dir
  smb: client: add ParentLeaseKey support
  cifs: Fix cifs_query_path_info() for Windows NT servers
  cifs: Fix validation of SMB1 query reparse point response
  cifs: Correctly set SMB1 SessionKey field in Session Setup Request
  cifs: Fix encoding of SMB1 Session Setup NTLMSSP Request in non-UNICODE mode
  smb: client: add NULL check in automount_fullpath
  smb: client: Remove an unused function and variable
2025-06-03 16:04:29 -07:00
Linus Torvalds
3c727285f1 - dm: better error handling when reloading a table
- dm-delay: don't busy-wait in kthread
 
 - dm: use use generic disable_* functions instead of open coding them
 
 - dm: lock queue limits when reading them
 
 - dm-verity: use softirq context only when !need_resched()
 
 - dm-bufio: remove maximum age based eviction
 
 - dm: remove unneeded kvfree from alloc_targets
 
 - dm-flakey: various fixes
 
 - dm-mpath: interface for explicit probing of active paths
 
 - dm: fix BLK_FEAT_ATOMIC_WRITES
 
 - dm: pass through operations on wrapped inline crypto keys
 
 - dm vdo indexer: don't read request structure after enqueuing
 
 - dm-zone: Use bdev_*() helper functions where applicable
 
 - dm-mpath: replace spin_lock_irqsave with spin_lock_irq
 
 - dm-mirror: fix a tiny race condition
 
 - dm-verity: fix a memory leak if some arguments are specified multiple times
 
 - dm-stripe: small code cleanup
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Merge tag 'for-6.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mikulas Patocka:

 - better error handling when reloading a table

 - use use generic disable_* functions instead of open coding them

 - lock queue limits when reading them

 - remove unneeded kvfree from alloc_targets

 - fix BLK_FEAT_ATOMIC_WRITES

 - pass through operations on wrapped inline crypto keys

 - dm-verity:
     - use softirq context only when !need_resched()
     - fix a memory leak if some arguments are specified multiple times

 - dm-mpath:
    - interface for explicit probing of active paths
    - replace spin_lock_irqsave with spin_lock_irq

 - dm-delay: don't busy-wait in kthread

 - dm-bufio: remove maximum age based eviction

 - dm-flakey: various fixes

 - vdo indexer: don't read request structure after enqueuing

 - dm-zone: Use bdev_*() helper functions where applicable

 - dm-mirror: fix a tiny race condition

 - dm-stripe: small code cleanup

* tag 'for-6.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
  dm-stripe: small code cleanup
  dm-verity: fix a memory leak if some arguments are specified multiple times
  dm-mirror: fix a tiny race condition
  dm-table: check BLK_FEAT_ATOMIC_WRITES inside limits_lock
  dm mpath: replace spin_lock_irqsave with spin_lock_irq
  dm-mpath: Don't grab work_mutex while probing paths
  dm-zone: Use bdev_*() helper functions where applicable
  dm vdo indexer: don't read request structure after enqueuing
  dm: pass through operations on wrapped inline crypto keys
  blk-crypto: export wrapped key functions
  dm-table: Set BLK_FEAT_ATOMIC_WRITES for target queue limits
  dm mpath: Interface for explicit probing of active paths
  dm: Allow .prepare_ioctl to handle ioctls directly
  dm-flakey: make corrupting read bios work
  dm-flakey: remove useless ERROR_READS check in flakey_end_io
  dm-flakey: error all IOs when num_features is absent
  dm-flakey: Clean up parsing messages
  dm: remove unneeded kvfree from alloc_targets
  dm-bufio: remove maximum age based eviction
  dm-verity: use softirq context only when !need_resched()
  ...
2025-06-03 15:54:46 -07:00
Linus Torvalds
0939bd2fcf perf tools improvements and fixes for Linux v6.16:
perf report/top/annotate TUI:
 
 - Accept the left arrow key as a Zoom out if done on the first column.
 
 - Show if source code toggle status in title, to help spotting bugs with
   the various disassemblers (capstone, llvm, objdump).
 
 - Provide feedback on unhandled hotkeys.
 
 Build:
 
 - Better inform when certain features are not available with warnings in the
   build process and in 'perf version --build-options' or 'perf -vv'.
 
 perf record:
 
 - Improve the --off-cpu code by synthesizing events for switch-out -> switch-in
   intervals using a BPF program. This can be fine tuned using a --off-cpu-thresh
   knob.
 
 perf report:
 
 - Add 'tgid' sort key.
 
 perf mem/c2c:
 
 - Add 'op', 'cache', 'snoop', 'dtlb' output fields.
 
 - Add support for 'ldlat' on AMD IBS (Instruction Based Sampling).
 
 perf ftrace:
 
 - Use process/session specific trace settings instead of messing with
   the global ftrace knobs.
 
 perf trace:
 
 - Implement syscall summary in BPF.
 
 - Support --summary-mode=cgroup.
 
 - Always print return value for syscalls returning a pid.
 
 - The rseq and set_robust_list don't return a pid, just -errno.
 
 perf lock contention:
 
 -  Symbolize zone->lock using BTF.
 
 - Add -J/--inject-delay option to estimate impact on application performance by
   optimization of kernel locking behavior.
 
 perf stat:
 
 - Improve hybrid support for the NMI watchdog warning.
 
 Symbol resolution:
 
 - Handle 'u' and 'l' symbols in /proc/kallsyms, resolving some Rust symbols.
 
 - Improve Rust demangler.
 
 Hardware tracing:
 
 Intel PT:
 
 - Fix PEBS-via-PT data_src.
 
 - Do not default to recording all switch events.
 
 - Fix pattern matching with python3 on the SQL viewer script.
 
 arm64:
 
 - Fixups for the hip08 hha PMU.
 
 Vendor events:
 
 - Update Intel events/metrics files for alderlake, alderlaken, arrowlake,
   bonnell, broadwell, broadwellde, broadwellx, cascadelakex, clearwaterforest,
   elkhartlake, emeraldrapids, grandridge, graniterapids, haswell, haswellx,
   icelake, icelakex, ivybridge, ivytown, jaketown, lunarlake, meteorlake,
   nehalemep, nehalemex, rocketlake, sandybridge, sapphirerapids, sierraforest,
   skylake, skylakex, snowridgex, tigerlake, westmereep-dp, westmereep-sp,
   westmereep-sx.
 
 python support:
 
 - Add support for event counts in the python binding, add a counting.py example.
 
 perf list:
 
 - Display the PMU name associated with a perf metric in JSON.
 
 perf test:
 
 - Hybrid improvements for metric value validation test.
 
 - Fix LBR test by ignoring idle task.
 
 - Add AMD IBS sw filter ana d'ldlat' tests.
 
 - Add 'perf trace --summary-mode=cgroup' test.
 
 - Add tests for the various language symbol demanglers.
 
 Miscellaneous.
 
 - Allow specifying the cpu an event will be tied using '-e event/cpu=N/'.
 
 - Sync various headers with the kernel sources.
 
 - Add annotations to use clang's -Wthread-safety and fix some problems
   it detected.
 
 - Make dump_stack() use perf's symbol resolution to provide better backtraces.
 
 - Intel TPEBS support cleanups and fixes. TPEBS stands for Timed PEBS
   (Precision Event-Based Sampling), that adds timing info, the retirement
   latency of instructions.
 
 - Various memory allocation (some detected by ASAN) and reference counting
   fixes.
 
 - Add a 8-byte aligned PERF_RECORD_COMPRESSED2 to replace PERF_RECORD_COMPRESSED.
 
 - Skip unsupported event types in perf.data files, don't stop when finding one.
 
 - Improve lookups using hashmaps and binary searches.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.16-1-2025-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
 "perf report/top/annotate TUI:

   - Accept the left arrow key as a Zoom out if done on the first column

   - Show if source code toggle status in title, to help spotting bugs
     with the various disassemblers (capstone, llvm, objdump)

   - Provide feedback on unhandled hotkeys

  Build:

   - Better inform when certain features are not available with warnings
     in the build process and in 'perf version --build-options' or 'perf -vv'

  perf record:

   - Improve the --off-cpu code by synthesizing events for switch-out ->
     switch-in intervals using a BPF program. This can be fine tuned
     using a --off-cpu-thresh knob

  perf report:

   - Add 'tgid' sort key

  perf mem/c2c:

   - Add 'op', 'cache', 'snoop', 'dtlb' output fields

   - Add support for 'ldlat' on AMD IBS (Instruction Based Sampling)

  perf ftrace:

   - Use process/session specific trace settings instead of messing with
     the global ftrace knobs

  perf trace:

   - Implement syscall summary in BPF

   - Support --summary-mode=cgroup

   - Always print return value for syscalls returning a pid

   - The rseq and set_robust_list don't return a pid, just -errno

  perf lock contention:

   - Symbolize zone->lock using BTF

   - Add -J/--inject-delay option to estimate impact on application
     performance by optimization of kernel locking behavior

  perf stat:

   - Improve hybrid support for the NMI watchdog warning

  Symbol resolution:

   - Handle 'u' and 'l' symbols in /proc/kallsyms, resolving some Rust
     symbols

   - Improve Rust demangler

  Hardware tracing:

  Intel PT:

   - Fix PEBS-via-PT data_src

   - Do not default to recording all switch events

   - Fix pattern matching with python3 on the SQL viewer script

  arm64:

   - Fixups for the hip08 hha PMU

  Vendor events:

   - Update Intel events/metrics files for alderlake, alderlaken,
     arrowlake, bonnell, broadwell, broadwellde, broadwellx,
     cascadelakex, clearwaterforest, elkhartlake, emeraldrapids,
     grandridge, graniterapids, haswell, haswellx, icelake, icelakex,
     ivybridge, ivytown, jaketown, lunarlake, meteorlake, nehalemep,
     nehalemex, rocketlake, sandybridge, sapphirerapids, sierraforest,
     skylake, skylakex, snowridgex, tigerlake, westmereep-dp,
     westmereep-sp, westmereep-sx

  python support:

   - Add support for event counts in the python binding, add a
     counting.py example

  perf list:

   - Display the PMU name associated with a perf metric in JSON

  perf test:

   - Hybrid improvements for metric value validation test

   - Fix LBR test by ignoring idle task

   - Add AMD IBS sw filter ana d'ldlat' tests

   - Add 'perf trace --summary-mode=cgroup' test

   - Add tests for the various language symbol demanglers

  Miscellaneous:

   - Allow specifying the cpu an event will be tied using '-e
     event/cpu=N/'

   - Sync various headers with the kernel sources

   - Add annotations to use clang's -Wthread-safety and fix some
     problems it detected

   - Make dump_stack() use perf's symbol resolution to provide better
     backtraces

   - Intel TPEBS support cleanups and fixes. TPEBS stands for Timed PEBS
     (Precision Event-Based Sampling), that adds timing info, the
     retirement latency of instructions

   - Various memory allocation (some detected by ASAN) and reference
     counting fixes

   - Add a 8-byte aligned PERF_RECORD_COMPRESSED2 to replace
     PERF_RECORD_COMPRESSED

   - Skip unsupported event types in perf.data files, don't stop when
     finding one

   - Improve lookups using hashmaps and binary searches"

* tag 'perf-tools-for-v6.16-1-2025-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (206 commits)
  perf callchain: Always populate the addr_location map when adding IP
  perf lock contention: Reject more than 10ms delays for safety
  perf trace: Set errpid to false for rseq and set_robust_list
  perf symbol: Move demangling code out of symbol-elf.c
  perf trace: Always print return value for syscalls returning a pid
  perf script: Print PERF_AUX_FLAG_COLLISION flag
  perf mem: Show absolute percent in mem_stat output
  perf mem: Display sort order only if it's available
  perf mem: Describe overhead calculation in brief
  perf record: Fix incorrect --user-regs comments
  Revert "perf thread: Ensure comm_lock held for comm_list"
  perf test trace_summary: Skip --bpf-summary tests if no libbpf
  perf test intel-pt: Skip jitdump test if no libelf
  perf intel-tpebs: Avoid race when evlist is being deleted
  perf test demangle-java: Don't segv if demangling fails
  perf symbol: Fix use-after-free in filename__read_build_id
  perf pmu: Avoid segv for missing name/alias_name in wildcarding
  perf machine: Factor creating a "live" machine out of dwarf-unwind
  perf test: Add AMD IBS sw filter test
  perf mem: Count L2 HITM for c2c statistic
  ...
2025-06-03 15:11:44 -07:00
Linus Torvalds
70087d2200 tracing fixes:
- Fix UAF in module unload in ftrace when there's a bug in the module
 
   If a module is buggy and triggers ftrace_disable which is set when
   an anomaly is detected, when it gets unloaded it doesn't free
   the hooks into kallsyms, and when a kallsyms lookup is performed
   it may access the mod->modname field and crash via UAF.
 
   Fix this by still freeing the mod_maps that are attached to kallsyms
   on module unload regardless if ftrace_disable is set or not.
 
 - Do not bother allocating mod_maps for kallsyms if ftrace_disable is set
 
 - Remove unused trace events
 
   When a trace event or tracepoint is created but not used, it still
   creates the code and data structures needed for that trace event.
   This just wastes memory.
 
   A patch is being worked on to warn when a trace event is created but
   not used: https://lore.kernel.org/linux-trace-kernel/20250529130138.544ffec4@gandalf.local.home/
 
   Remove the trace events that are created but not used. This does not
   remove trace events that are created but are not used due configs
   not being set. That will be handled later. This only removes events
   that have no user under any config.
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Merge tag 'trace-v6.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix UAF in module unload in ftrace when there's a bug in the module

   If a module is buggy and triggers ftrace_disable which is set when an
   anomaly is detected, when it gets unloaded it doesn't free the hooks
   into kallsyms, and when a kallsyms lookup is performed it may access
   the mod->modname field and crash via UAF.

   Fix this by still freeing the mod_maps that are attached to kallsyms
   on module unload regardless if ftrace_disable is set or not.

 - Do not bother allocating mod_maps for kallsyms if ftrace_disable is
   set

 - Remove unused trace events

   When a trace event or tracepoint is created but not used, it still
   creates the code and data structures needed for that trace event.
   This just wastes memory.

   Remove the trace events that are created but not used. This does not
   remove trace events that are created but are not used due configs not
   being set. That will be handled later. This only removes events that
   have no user under any config.

* tag 'trace-v6.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  fsdax: Remove unused trace events for dax insert mapping
  genirq/matrix: Remove unused irq_matrix_alloc_reserved tracepoint
  xdp: Remove unused mem_return_failed event
  ftrace: Don't allocate ftrace module map if ftrace is disabled
  ftrace: Fix UAF when lookup kallsym after ftrace disabled
2025-06-03 14:21:31 -07:00
Linus Torvalds
def5b099a6 cgroup: A fix for v6.16-rc1
rstat per-subsystem split change skipped per-cpu allocation on UP configs;
 however even on UP, depending on config options, the size of the percpu
 struct may not be zero leading to crashes. Fix it by conditionalizing the
 per-cpu area allocation and usage on the size of the per-cpu struct.
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Merge tag 'cgroup-for-6.16-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fix from Tejun Heo:
 "The rstat per-subsystem split change skipped per-cpu allocation on UP
  configs; however even on UP, depending on config options, the size of
  the percpu struct may not be zero leading to crashes.

  Fix it by conditionalizing the per-cpu area allocation and usage on
  the size of the per-cpu struct"

* tag 'cgroup-for-6.16-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: adjust criteria for rstat subsystem cpu lock access
2025-06-03 14:12:36 -07:00
Linus Torvalds
29e9359005 CXL changes for v6.16
- Remove always true condition in cxl features code.
 - Add verification of CHBS length for CXL 2.0
 - Ignore interleave granularity when interleave ways is 1
 - Add update addressing mising MODULE_DESCRIPTION for cxl_test
 - A series of cleanups/refactor to prep for AMD Zen5 translate code
 - Clean %pa debug printk in core/hdm.c
 - Documentation updates
   - Update to CXL Maturity Map
   - Fixes to source linking in CXL documentation
   - CXL documentation fixes, spelling corrections
   - A large collection of CXL documentation for the entire CXL subsystem, including
     documentation on CXL related platform and firmware notes
 - Remove redundant code of cxlctl_get_supported_features()
 - Series to support CXL RAS Features
   - Including "Patrol Scrub Control", "Error Check Scrub", "Performance Maitenance"
     and "Memory Sparing". The series connects CXL to EDAC.
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Merge tag 'cxl-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull Compute Express Link (CXL) updates from Dave Jiang:

 - Remove always true condition in cxl features code

 - Add verification of CHBS length for CXL 2.0

 - Ignore interleave granularity when interleave ways is 1

 - Add update addressing mising MODULE_DESCRIPTION for cxl_test

 - A series of cleanups/refactor to prep for AMD Zen5 translate code

 - Clean %pa debug printk in core/hdm.c

 - Documentation updates:
     - Update to CXL Maturity Map
     - Fixes to source linking in CXL documentation
     - CXL documentation fixes, spelling corrections
     - A large collection of CXL documentation for the entire CXL
       subsystem, including documentation on CXL related platform and
       firmware notes

 - Remove redundant code of cxlctl_get_supported_features()

 - Series to support CXL RAS Features
     - Including "Patrol Scrub Control", "Error Check Scrub",
       "Performance Maitenance" and "Memory Sparing". The series
       connects CXL to EDAC.

* tag 'cxl-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (53 commits)
  cxl/edac: Add CXL memory device soft PPR control feature
  cxl/edac: Add CXL memory device memory sparing control feature
  cxl/edac: Support for finding memory operation attributes from the current boot
  cxl/edac: Add support for PERFORM_MAINTENANCE command
  cxl/edac: Add CXL memory device ECS control feature
  cxl/edac: Add CXL memory device patrol scrub control feature
  cxl: Update prototype of function get_support_feature_info()
  EDAC: Update documentation for the CXL memory patrol scrub control feature
  cxl/features: Remove the inline specifier from to_cxlfs()
  cxl/feature: Remove redundant code of get supported features
  docs: ABI: Fix "firwmare" to "firmware"
  cxl/Documentation: Fix typo in sysfs write_bandwidth attribute path
  cxl: doc/linux/access-coordinates Update access coordinates calculation methods
  cxl: docs/platform/acpi/srat Add generic target documentation
  cxl: docs/platform/cdat reference documentation
  Documentation: Update the CXL Maturity Map
  cxl: Sync up the driver-api/cxl documentation
  cxl: docs - add self-referencing cross-links
  cxl: docs/allocation/hugepages
  cxl: docs/allocation/reclaim
  ...
2025-06-03 13:24:14 -07:00
Linus Torvalds
a9dfb7db96 Backlight for v6.16
* Framebuffer Subsystem (fbdev):
     * The display's blanking status is now tracked in `struct fb_info`
     * `framebuffer_alloc()` initializes the blank state to `FB_BLANK_UNBLANK`
     * `register_framebuffer()` sets the state to `FB_BLANK_POWERDOWN` if an `fb_blank`
       callback exists, ensuring `FB_EVENT_BLANK` listeners correctly see the display
       being turned on during the first modeset
     * The `FB_EVENT_BLANK` event data now includes both the new and the old blank states
   * Qualcomm WLED Backlight:
     * Added a NULL check after `devm_kasprintf()` in `wled_configure()` to prevent a
       potential NULL pointer dereference if memory allocation fails
 
   * Framebuffer Subsystem (fbdev):
     * `fb_blank()` has been reworked to return early on errors, without functional
       changes, in preparation for further state tracking improvements
     * Fbdev now calls dedicated functions in the backlight subsystems to notify them
       of blank state changes, instead of relying on fbdev event notifiers
     * For LCDs, fbdev also calls a dedicated function to notify of mode changes
   * Backlight Subsystem:
     * Implemented fbdev blank state tracking using the (newly enhanced) blank state
       information provided directly by `FB_EVENT_BLANK`
     * Removed internal blank state tracking fields (`fb_bl_on`) from
       `struct backlight_device`
     * Moved the handling of blank-state updates into a separate internal helper
       function, `backlight_notify_blank()`
     * Removed support for fbdev events and replaced it with a dedicated function call
       interface (`backlight_notify_blank()` and `backlight_notify_blank_all()`) for
       display drivers to update backlight status
   * LCD Subsystem:
     * Moved the handling of display updates (blank events and mode changes) from
       fbdev event notifiers to separate internal helper functions (`lcd_notify_blank`,
       `lcd_notify_mode_change`)
     * Removed support for fbdev events and replaced it with dedicated function call
       interfaces (`lcd_notify_blank_all()`, `lcd_notify_mode_change_all()`)
     * The LCD subsystem now maintains its own internal list of LCD devices instead of
       relying on fbdev notifiers
   * LED Backlight Trigger:
     * Moved the handling of blank-state updates into a separate internal helper,
       `ledtrig_backlight_notify_blank()`
     * Removed support for fbdev events and replaced it with a dedicated function call,
       `ledtrig_backlight_blank()`, for fbdev to notify trigger of blank state changes
     * The LED backlight trigger now maintains its own internal list of triggers
       instead of relying on fbdev notifiers
 
   * Framebuffer Subsystem (fbdev):
     * Removed the definitions for the unused fbdev event constants
       `FB_EVENT_MODE_CHANGE` and `FB_EVENT_BLANK` from the header file
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Merge tag 'backlight-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "Framebuffer Subsystem (fbdev):
   - The display's blanking status is now tracked in 'struct fb_info'
   - 'framebuffer_alloc()' initializes the blank state to FB_BLANK_UNBLANK
   - 'register_framebuffer()' sets the state to 'FB_BLANK_POWERDOWN' if
     an 'fb_blank' callback exists, ensuring 'FB_EVENT_BLANK' listeners
     correctly see the display being turned on during the first modeset
   - The 'FB_EVENT_BLANK' event data now includes both the new and the
     old blank states
   - 'fb_blank()' has been reworked to return early on errors, without
     functional changes, in preparation for further state tracking
     improvements
   - Fbdev now calls dedicated functions in the backlight subsystems to
     notify them of blank state changes, instead of relying on fbdev
     event notifiers
   - For LCDs, fbdev also calls a dedicated function to notify of mode
     changes
   - Removed the definitions for the unused fbdev event constants
     'FB_EVENT_MODE_CHANGE' and 'FB_EVENT_BLANK' from the header file

  Backlight Subsystem:
   - Implemented fbdev blank state tracking using the (newly enhanced)
     blank state information provided directly by 'FB_EVENT_BLANK'
   - Removed internal blank state tracking fields ('fb_bl_on') from
     'struct backlight_device'
   - Moved the handling of blank-state updates into a separate internal
     helper function, 'backlight_notify_blank()'
   - Removed support for fbdev events and replaced it with a dedicated
     function call interface ('backlight_notify_blank()' and
     'backlight_notify_blank_all()') for display drivers to update
     backlight status

  LCD Subsystem:
   - Moved the handling of display updates (blank events and mode
     changes) from fbdev event notifiers to separate internal helper
     functions ('lcd_notify_blank',
     'lcd_notify_mode_change')
   - Removed support for fbdev events and replaced it with dedicated
     function call interfaces ('lcd_notify_blank_all()',
     'lcd_notify_mode_change_all()')
   - The LCD subsystem now maintains its own internal list of LCD
     devices instead of relying on fbdev notifiers

  LED Backlight Trigger:
   - Moved the handling of blank-state updates into a separate internal
     helper, 'ledtrig_backlight_notify_blank()'
   - Removed support for fbdev events and replaced it with a dedicated
     function call, 'ledtrig_backlight_blank()', for fbdev to notify
     trigger of blank state changes
   - The LED backlight trigger now maintains its own internal list of
     triggers instead of relying on fbdev notifiers

  Qualcomm WLED Backlight:
   - Added a NULL check after 'devm_kasprintf()' in 'wled_configure()'
     to prevent a potential NULL pointer dereference if memory
     allocation fails"

* tag 'backlight-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: pm8941: Add NULL check in wled_configure()
  fbdev: Remove constants of unused events
  leds: backlight trigger: Replace fb events with a dedicated function call
  leds: backlight trigger: Move blank-state handling into helper
  backlight: lcd: Replace fb events with a dedicated function call
  backlight: lcd: Move event handling into helpers
  backlight: Replace fb events with a dedicated function call
  backlight: Move blank-state handling into helper
  backlight: Implement fbdev tracking with blank state from event
  fbdev: Send old blank state in FB_EVENT_BLANK
  fbdev: Track display blanking state
  fbdev: Rework fb_blank()
2025-06-03 12:52:25 -07:00
Steven Rostedt
a4a45a9a72 fsdax: Remove unused trace events for dax insert mapping
When the dax_fault_actor() helper was factored out, it removed the calls
to the dax_pmd_insert_mapping and dax_insert_mapping events but never
removed the events themselves. As each event created takes up memory
(roughly 5K each), this is a waste as it is never used.

Remove the unused dax_pmd_insert_mapping and dax_insert_mapping trace
events.

Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home/

Cc: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Cc: "Darrick J. Wong" <djwong@kernel.org>
Cc: Ross Zwisler <zwisler@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/20250529152211.688800c9@gandalf.local.home
Fixes: c2436190e4 ("fsdax: factor out a dax_fault_actor() helper")
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-06-03 15:18:45 -04:00
Linus Torvalds
b546608ea2 LEDs for v6.16
* LED Triggers:
     * Allow writing "default" to the sysfs 'trigger' attribute to set an LED to its default trigger
     * If the default trigger is "none", writing "default" will remove the current trigger
     * Updated sysfs ABI documentation for the new "default" trigger functionality
   * LED KUnit Testing:
     * Provide a skeleton KUnit test suite for the LEDs framework
     * Expand the LED class device registration KUnit test to cover more scenarios, including
       `brightness_get` behavior
     * Add KUnit tests for the LED lookup and get API (`led_add_lookup`, `devm_led_get`)
   * LED Flash Class:
     * Add support for setting flash/strobe duration through a new `duration_set` op and
       `led_set_flash_duration()` function, aligning with `V4L2_CID_FLASH_DURATION`
   * Texas Instruments TPS6131x:
     * Add a new driver for the TPS61310/TPS61311 flash LED controllers
     * The driver supports the device's three constant-current sinks for flash and torch modes
 
   * LED Core:
     * Prevent potential `snprintf()` truncations in LED names by checking for buffer overflows
   * ChromeOS EC LEDs:
     * Avoid a -Wflex-array-member-not-at-end GCC warning by replacing an on-stack flexible structure
       definition with a utility function call
   * Multicolor LEDs:
     * Fix issue where setting multi_intensity while software blinking is active could stop blinking
   * PCA955x LEDs:
     * Avoid potential buffer overflow when creating default labels by changing a field's type to
       `u8` and updating format specifiers
   * PCA995x LEDs:
     * Fix a typo (stray space) in an `of_device_id` entry in the `pca995x_of_match` table
   * Kconfig:
     * Prevent LED drivers from being enabled by default when `COMPILE_TEST` is set
 
   * Device Property API:
     * Split `device_get_child_node_count()` into a new helper `fwnode_get_child_node_count()` that
       doesn't require a device struct, making the API more symmetrical
   * Driver Modernization (using `fwnode_get_child_node_count()`):
     * Update `leds-pwm-multicolor`, `leds-ncp5623` and `leds-ncp5623` to use the new
       `fwnode_get_child_node_count()` helper, removing their custom implementation
     * As above in the USB Type-C TCPM driver
   * Driver Modernization (using new GPIO setter callbacks):
     * Convert `leds-lgm-sso` to use new GPIO line value setter callbacks which return an integer
       for error handling
     * Convert `leds-pca955x`, `leds-pca9532` and `leds-tca6507` to use new GPIO setter callbacks
   * Documentation:
     * Remove the `.rst` extension for `leds-st1202` in the documentation index for consistency
   * LP8860 LEDs:
     * Use `regmap_multi_reg_write()` for EEPROM writes instead of manual looping
     * Use scoped mutex guards and `devm_mutex_init()` to simplify function exits and ensure
       automatic cleanup
     * Remove default register definitions that are unused when regmap caching is not active
     * Use `devm_regulator_get_enable_optional()` to handle the optional regulator, simplifying
       enabling and removing manual disabling
     * Refactor `lp8860_unlock_eeprom()` to only perform the unlock operation, removing the lock
       part and an unnecessary parameter
     * Use a `devm` action to disable the enable-GPIO, simplifying cleanup and error paths, and
       remove the now-empty `.remove()` function
   * Turris Omnia LEDs:
     * Drop unnecessary commas in terminator entries of `struct attribute` and
       `struct of_device_id` arrays
   * MT6370 RGB LEDs:
     * Use the `LINEAR_RANGE()` for defining `struct linear_range` entries to improve robustness
 
   * Texas Instruments TPS6131x:
     * Add new devicetree bindings for the TI TPS61310/TPS61311 flash LED driver
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Merge tag 'leds-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "LED Triggers:
   - Allow writing "default" to the sysfs 'trigger' attribute to set an
     LED to its default trigger
   - If the default trigger is "none", writing "default" will remove the
     current trigger
   - Updated sysfs ABI documentation for the new "default" trigger
     functionality

  LED KUnit Testing:
   - Provide a skeleton KUnit test suite for the LEDs framework
   - Expand the LED class device registration KUnit test to cover more
     scenarios, including 'brightness_get' behavior
   - Add KUnit tests for the LED lookup and get API ('led_add_lookup',
     'devm_led_get')

  LED Flash Class:
   - Add support for setting flash/strobe duration through a new
     'duration_set' op and 'led_set_flash_duration()' function, aligning
     with 'V4L2_CID_FLASH_DURATION'

  Texas Instruments TPS6131x:
   - Add a new driver for the TPS61310/TPS61311 flash LED controllers
   - The driver supports the device's three constant-current sinks for
     flash and torch modes

  LED Core:
   - Prevent potential 'snprintf()' truncations in LED names by checking
     for buffer overflows

  ChromeOS EC LEDs:
   - Avoid a -Wflex-array-member-not-at-end GCC warning by replacing an
     on-stack flexible structure definition with a utility function call

  Multicolor LEDs:
   - Fix issue where setting multi_intensity while software blinking is
     active could stop blinking

  PCA955x LEDs:
   - Avoid potential buffer overflow when creating default labels by
     changing a field's type to 'u8' and updating format specifiers

  PCA995x LEDs:
   - Fix a typo (stray space) in an 'of_device_id' entry in the
     'pca995x_of_match' table

  Kconfig:
   - Prevent LED drivers from being enabled by default when
     'COMPILE_TEST' is set

  Device Property API:
   - Split 'device_get_child_node_count()' into a new helper
     'fwnode_get_child_node_count()' that doesn't require a device
     struct, making the API more symmetrical

  Driver Modernization (using 'fwnode_get_child_node_count()'):
   - Update 'leds-pwm-multicolor', 'leds-ncp5623' and 'leds-ncp5623' to
     use the new 'fwnode_get_child_node_count()' helper, removing their
     custom implementation
   - As above in the USB Type-C TCPM driver

  Driver Modernization (using new GPIO setter callbacks):
   - Convert 'leds-lgm-sso' to use new GPIO line value setter callbacks
     which return an integer for error handling
   - Convert 'leds-pca955x', 'leds-pca9532' and 'leds-tca6507' to use
     new GPIO setter callbacks

  Documentation:
   - Remove the '.rst' extension for 'leds-st1202' in the documentation
     index for consistency

  LP8860 LEDs:
   - Use 'regmap_multi_reg_write()' for EEPROM writes instead of manual
     looping
   - Use scoped mutex guards and 'devm_mutex_init()' to simplify
     function exits and ensure automatic cleanup
   - Remove default register definitions that are unused when regmap
     caching is not active
   - Use 'devm_regulator_get_enable_optional()' to handle the optional
     regulator, simplifying enabling and removing manual disabling
   - Refactor 'lp8860_unlock_eeprom()' to only perform the unlock
     operation, removing the lock part and an unnecessary parameter
   - Use a 'devm' action to disable the enable-GPIO, simplifying cleanup
     and error paths, and remove the now-empty '.remove()' function

  Turris Omnia LEDs:
   - Drop unnecessary commas in terminator entries of 'struct attribute'
     and 'struct of_device_id' arrays

  MT6370 RGB LEDs:
   - Use the 'LINEAR_RANGE()' for defining 'struct linear_range' entries
     to improve robustness

  Texas Instruments TPS6131x:
   - Add new devicetree bindings for the TI TPS61310/TPS61311 flash LED
     driver"

* tag 'leds-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (31 commits)
  leds: tps6131x: Add support for Texas Instruments TPS6131X flash LED driver
  dt-bindings: leds: Add Texas Instruments TPS6131x flash LED driver
  leds: flash: Add support for flash/strobe duration
  leds: rgb: leds-mt6370-rgb: Improve definition of some struct linear_range
  leds: led-test: Provide tests for the lookup and get infrastructure
  leds: led-test: Fill out the registration test to cover more test cases
  leds: led-test: Remove standard error checking after KUNIT_ASSERT_*()
  leds: pca995x: Fix typo in pca995x_of_match's of_device_id entry
  leds: Provide skeleton KUnit testing for the LEDs framework
  leds: tca6507: Use new GPIO line value setter callbacks
  leds: pca9532: Use new GPIO line value setter callbacks
  leds: pca955x: Use new GPIO line value setter callbacks
  leds: lgm-sso: Use new GPIO line value setter callbacks
  leds: Do not enable by default during compile testing
  leds: turris-omnia: Drop commas in the terminator entries
  leds: lp8860: Disable GPIO with devm action
  leds: lp8860: Only unlock in lp8860_unlock_eeprom()
  leds: lp8860: Enable regulator using enable_optional helper
  leds: lp8860: Remove default regs when not caching
  leds: lp8860: Use new mutex guards to cleanup function exits
  ...
2025-06-03 12:10:31 -07:00
Linus Torvalds
69352bd52b MFD for v6.16
* Samsung Exynos ACPM:
     * Populate child platform devices from device tree data
     * Introduce a new API, `devm_acpm_get_by_node()`, for child devices to get the ACPM handle
   * ROHM PMICs:
     * Add support for the ROHM BD96802 scalable companion PMIC to the BD96801 core driver
     * Add support for controlling the BD96802 using the BD96801 regulator driver
     * Add support to the BD96805, which is almost identical to the BD96801
     * Add support to the BD96806, which is similar to the BD96802
   * Maxim MAX77759:
     * Add a core driver for the MAX77759 companion PMIC
     * Add a GPIO driver for the expander functions on the MAX77759
     * Add an NVMEM driver to expose the non-volatile memory on the MAX77759
   * STMicroelectronics STM32MP25:
     * Add support for the STM32MP25 SoC to the stm32-lptimer
     * Add support for the STM32MP25 to the clocksource driver, handling new register access requirements
     * Add support for the STM32MP25 to the PWM driver, enabling up to two PWM outputs
   * Broadcom BCM590xx:
     * Add support for the BCM59054 PMU
     * Parse the PMU ID and revision to support behavioral differences between chip revisions
     * Add regulator support for the BCM59054
   * Samsung S2MPG10:
     * Add support for the S2MPG10 PMIC, which communicates via the Samsung ACPM firmware instead of I2C
 
   * Exynos ACPM:
     * Improve timeout detection reliability by using ktime APIs instead of a loop counter assumption
     * Allow PMIC access during late system shutdown by switching to `udelay()` instead of a sleeping function
     * Fix an issue where reading command results longer than 8 bytes would fail
     * Silence non-error `-EPROBE_DEFER` messages during boot to clean up logs
   * Exynos LPASS:
     * Fix an error handling path by switching to `devm_regmap_init_mmio()` to prevent resource leaks
     * Fix a bug where `exynos_lpass_disable()` was called twice in the remove function
     * Fix another resource leak in the probe's error path by using `devm_add_action_or_reset()`
   * Samsung SEC:
     * Handle the s2dos05, which does not have IRQ support, explicitly to prevent warnings
     * Fix the core driver to correctly handle errors from `sec_irq_init()` instead of ignoring them
   * STMPE-SPI:
     * Correct an undeclared identifier in the `MODULE_DEVICE_TABLE` macro
   * MAINTAINERS:
     * Adjust a file path for the Siemens IPC LED drivers entry to fix a broken reference
   * Maxim Drivers:
     * Correct the spelling of "Electronics" in Samsung copyright headers across multiple files
   * General:
     * Fix wakeup source memory leaks on device unbind for 88pm886, as3722, max14577, max77541, max77705,
       max8925, rt5033, and sprd-sc27xx drivers
 
   * Samsung SEC Drivers:
     * Split the driver into a transport-agnostic core (`sec-core`) and transport-specific (`sec-i2c`,
       `sec-acpm`) modules to support non-I2C devices
     * Merge the `sec-core` and `sec-irq` modules to reduce memory consumption
     * Move internal APIs to a private header to clean up the public API
     * Improve code style by sorting includes, cleaning up headers, sorting device tables, and using helper
       macros like `dev_err_probe()`, `MFD_CELL`, and `REGMAP_IRQ_REG`
     * Make regmap configuration for s2dos05/s2mpu05 explicit to improve clarity
     * Rework platform data and regmap instantiation to use OF match data instead of a large switch statement
   * ROHM BD96801/2:
     * Prepare the driver for new models by separating chip-specific data into its own structure
     * Drop IC name prefix from IRQ resource names in both the MFD and regulator drivers for simplification
   * Broadcom BCM590xx:
     * Refactor the regulator driver to store descriptions in a table to ease support for new chips
     * Rename BCM59056-specific data to prepare for the addition of other regulators
     * Use `dev_err_probe()` for cleaner error handling
   * Exynos ACPM:
     * Correct kerneldoc warnings and use the conventional 'np' argument name
   * General MFD:
     * Convert `aat2870` and `tps65010` to use the per-client debugfs directory provided by the I2C core
     * Convert `sm501`, `tps65010` and `ucb1x00` to use the new GPIO line value setter callbacks
     * Constify `regmap_irq_chip` and other structures in `88pm886` to move data to read-only sections
 
   * BCM590xx:
     * Drop the unused "id" member from the `bcm590xx` struct in preparation for a replacement
   * Samsung SEC Core:
     * Remove forward declarations for functions that no longer exist
   * SM501:
     * Remove the unused `sm501_find_clock()` function
 
   * New Compatibles:
     * Google: Add a PMIC child node to the `google,gs101-acpm-ipc` binding
     * ROHM: Add new bindings for `rohm,bd96802-regulator` and `rohm,bd96802-pmic`, and add compatibles
       for BD96805 and BD96806
     * Maxim: Add new bindings for `maxim,max77759-gpio`, `maxim,max77759-nvmem`, and the top-level
       `maxim,max77759`
     * STM: Add `stm32mp25` compatible to the `stm32-lptimer` binding
     * Broadcom: Add `bcm59054` compatible
     * Atmel/Microchip: Add `microchip,sama7d65-gpbr` and `microchip,sama7d65-secumod` compatibles
     * Samsung: Add `s2mpg10` compatible to the `samsung,s2mps11` MFD binding
     * MediaTek: Add compatibles for `mt6893` (scpsys), `mt7988-topmisc`, and `mt8365-infracfg-nao`
     * Qualcomm: Add `qcom,apq8064-mmss-sfpb` and `qcom,apq8064-sps-sic` syscon compatibles
   * Refactoring & Cleanup:
     * Convert Broadcom BCM59056 devicetree bindings to YAML and split them into MFD and regulator parts
     * Convert the Microchip AT91 secumod binding to YAML
     * Drop unrelated consumer nodes from binding examples to reduce bloat
     * Correct indentation and style in various DTS examples
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Merge tag 'mfd-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Samsung Exynos ACPM:
   - Populate child platform devices from device tree data
   - Introduce a new API, 'devm_acpm_get_by_node()', for child devices
     to get the ACPM handle

  ROHM PMICs:
   - Add support for the ROHM BD96802 scalable companion PMIC to the
     BD96801 core driver
   - Add support for controlling the BD96802 using the BD96801 regulator
     driver
   - Add support to the BD96805, which is almost identical to the
     BD96801
   - Add support to the BD96806, which is similar to the BD96802

  Maxim MAX77759:
   - Add a core driver for the MAX77759 companion PMIC
   - Add a GPIO driver for the expander functions on the MAX77759
   - Add an NVMEM driver to expose the non-volatile memory on the
     MAX77759

  STMicroelectronics STM32MP25:
   - Add support for the STM32MP25 SoC to the stm32-lptimer
   - Add support for the STM32MP25 to the clocksource driver, handling
     new register access requirements
   - Add support for the STM32MP25 to the PWM driver, enabling up to two
     PWM outputs

  Broadcom BCM590xx:
   - Add support for the BCM59054 PMU
   - Parse the PMU ID and revision to support behavioral differences
     between chip revisions
   - Add regulator support for the BCM59054

  Samsung S2MPG10:
   - Add support for the S2MPG10 PMIC, which communicates via the
     Samsung ACPM firmware instead of I2C

  Exynos ACPM:
   - Improve timeout detection reliability by using ktime APIs instead
     of a loop counter assumption
   - Allow PMIC access during late system shutdown by switching to
     'udelay()' instead of a sleeping function
   - Fix an issue where reading command results longer than 8 bytes
     would fail
   - Silence non-error '-EPROBE_DEFER' messages during boot to clean up
     logs

  Exynos LPASS:
   - Fix an error handling path by switching to
     'devm_regmap_init_mmio()' to prevent resource leaks
   - Fix a bug where 'exynos_lpass_disable()' was called twice in the
     remove function
   - Fix another resource leak in the probe's error path by using
     'devm_add_action_or_reset()'

  Samsung SEC:
   - Handle the s2dos05, which does not have IRQ support, explicitly to
     prevent warnings
   - Fix the core driver to correctly handle errors from
     'sec_irq_init()' instead of ignoring them

  STMPE-SPI:
   - Correct an undeclared identifier in the 'MODULE_DEVICE_TABLE' macro

  MAINTAINERS:
   - Adjust a file path for the Siemens IPC LED drivers entry to fix a
     broken reference

  Maxim Drivers:
   - Correct the spelling of "Electronics" in Samsung copyright headers
     across multiple files

  General:
   - Fix wakeup source memory leaks on device unbind for 88pm886,
     as3722, max14577, max77541, max77705, max8925, rt5033, and
     sprd-sc27xx drivers

  Samsung SEC Drivers:
   - Split the driver into a transport-agnostic core ('sec-core') and
     transport-specific ('sec-i2c', 'sec-acpm') modules to support
     non-I2C devices
   - Merge the 'sec-core' and 'sec-irq' modules to reduce memory
     consumption
   - Move internal APIs to a private header to clean up the public API
   - Improve code style by sorting includes, cleaning up headers,
     sorting device tables, and using helper macros like
     'dev_err_probe()', 'MFD_CELL', and 'REGMAP_IRQ_REG'
   - Make regmap configuration for s2dos05/s2mpu05 explicit to improve
     clarity
   - Rework platform data and regmap instantiation to use OF match data
     instead of a large switch statement

  ROHM BD96801/2:
   - Prepare the driver for new models by separating chip-specific data
     into its own structure
   - Drop IC name prefix from IRQ resource names in both the MFD and
     regulator drivers for simplification

  Broadcom BCM590xx:
   - Refactor the regulator driver to store descriptions in a table to
     ease support for new chips
   - Rename BCM59056-specific data to prepare for the addition of other
     regulators
   - Use 'dev_err_probe()' for cleaner error handling

  Exynos ACPM:
   - Correct kerneldoc warnings and use the conventional 'np' argument
     name

  General MFD:
   - Convert 'aat2870' and 'tps65010' to use the per-client debugfs
     directory provided by the I2C core
   - Convert 'sm501', 'tps65010' and 'ucb1x00' to use the new GPIO line
     value setter callbacks
   - Constify 'regmap_irq_chip' and other structures in '88pm886' to
     move data to read-only sections

  BCM590xx:
   - Drop the unused "id" member from the 'bcm590xx' struct in
     preparation for a replacement

  Samsung SEC Core:
   - Remove forward declarations for functions that no longer exist

  SM501:
   - Remove the unused 'sm501_find_clock()' function

  New Compatibles:
   - Google: Add a PMIC child node to the 'google,gs101-acpm-ipc'
     binding
   - ROHM: Add new bindings for 'rohm,bd96802-regulator' and
     'rohm,bd96802-pmic', and add compatibles for BD96805 and BD96806
   - Maxim: Add new bindings for 'maxim,max77759-gpio',
     'maxim,max77759-nvmem', and the top-level 'maxim,max77759'
   - STM: Add 'stm32mp25' compatible to the 'stm32-lptimer' binding
   - Broadcom: Add 'bcm59054' compatible
   - Atmel/Microchip: Add 'microchip,sama7d65-gpbr' and
     'microchip,sama7d65-secumod' compatibles
   - Samsung: Add 's2mpg10' compatible to the 'samsung,s2mps11' MFD
     binding
   - MediaTek: Add compatibles for 'mt6893' (scpsys), 'mt7988-topmisc',
     and 'mt8365-infracfg-nao'
   - Qualcomm: Add 'qcom,apq8064-mmss-sfpb' and 'qcom,apq8064-sps-sic'
     syscon compatibles

  Refactoring & Cleanup:
   - Convert Broadcom BCM59056 devicetree bindings to YAML and split
     them into MFD and regulator parts
   - Convert the Microchip AT91 secumod binding to YAML
   - Drop unrelated consumer nodes from binding examples to reduce bloat
   - Correct indentation and style in various DTS examples"

* tag 'mfd-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (81 commits)
  mfd: maxim: Correct Samsung "Electronics" spelling in copyright headers
  mfd: maxim: Correct Samsung "Electronics" spelling in headers
  mfd: sm501: Remove unused sm501_find_clock
  mfd: 88pm886: Constify struct regmap_irq_chip and some other structures
  dt-bindings: mfd: syscon: Add mediatek,mt8365-infracfg-nao
  mfd: sprd-sc27xx: Fix wakeup source leaks on device unbind
  mfd: rt5033: Fix wakeup source leaks on device unbind
  mfd: max8925: Fix wakeup source leaks on device unbind
  mfd: max77705: Fix wakeup source leaks on device unbind
  mfd: max77541: Fix wakeup source leaks on device unbind
  mfd: max14577: Fix wakeup source leaks on device unbind
  mfd: as3722: Fix wakeup source leaks on device unbind
  mfd: 88pm886: Fix wakeup source leaks on device unbind
  dt-bindings: mfd: Correct indentation and style in DTS example
  dt-bindings: mfd: Drop unrelated nodes from DTS example
  dt-bindings: mfd: syscon: Add qcom,apq8064-sps-sic
  dt-bindings: mfd: syscon: Add qcom,apq8064-mmss-sfpb
  mfd: stmpe-spi: Correct the name used in MODULE_DEVICE_TABLE
  dt-bindings: mfd: syscon: Add mt7988-topmisc
  mfd: exynos-lpass: Fix another error handling path in exynos_lpass_probe()
  ...
2025-06-03 11:53:55 -07:00
Andrea Righi
9960be72a5 sched_ext: idle: Skip cross-node search with !CONFIG_NUMA
In the idle CPU selection logic, attempting cross-node searches adds
unnecessary complexity when CONFIG_NUMA is disabled.

Since there's no meaningful concept of nodes in this case, simplify the
logic by restricting the idle CPU search to the current node only.

Fixes: 48849271e6 ("sched_ext: idle: Per-node idle cpumasks")
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2025-06-03 08:22:27 -10:00
Linus Torvalds
2043ae9019 hid-for-linus-2025060301
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Merge tag 'hid-for-linus-2025060301' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - support for Apple Magic Mouse 2 USB-C (Aditya Garg)

 - power management improvement for multitouch devices (Werner Sembach)

 - fix for ACPI initialization in intel-thc driver (Wentao Guan)

 - adaptation of HID drivers to use new gpio_chip's line setter
   callbacks (Bartosz Golaszewski)

 - fix potential OOB in usbhid_parse() (Terry Junge)

 - make it possible to set hid_mouse_ignore_list dynamically (the same
   way we handle other quirks) (Aditya Garg)

 - other small assorted fixes and device ID additions

* tag 'hid-for-linus-2025060301' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: multitouch: Disable touchpad on firmware level while not in use
  HID: core: Add functions for HID drivers to react on first open and last close call
  HID: HID_APPLETB_BL should depend on X86
  HID: HID_APPLETB_KBD should depend on X86
  HID: appletb-kbd: Use secs_to_jiffies() instead of msecs_to_jiffies()
  HID: intel-thc-hid: intel-thc: make read-only arrays static const
  HID: magicmouse: Apple Magic Mouse 2 USB-C support
  HID: mcp2221: use new line value setter callbacks
  HID: mcp2200: use new line value setter callbacks
  HID: cp2112: use new line value setter callbacks
  HID: cp2112: use lock guards
  HID: cp2112: hold the lock for the entire direction_output() call
  HID: cp2112: destroy mutex on driver detach
  HID: intel-thc-hid: intel-quicki2c: pass correct arguments to acpi_evaluate_object
  HID: corsair-void: Use to_delayed_work()
  HID: hid-logitech: use sysfs_emit_at() instead of scnprintf()
  HID: quirks: Add HID_QUIRK_IGNORE_MOUSE quirk
  HID: usbhid: Eliminate recurrent out-of-bounds bug in usbhid_parse()
  HID: Kysona: Add periodic online check
2025-06-03 10:34:36 -07:00
Mikulas Patocka
9f2f6316d7 dm-stripe: small code cleanup
This commit doesn't fix any bug, it is just code cleanup. Use the
function format_dev_t instead of sprintf, because format_dev_t does the
same thing.

Remove the useless memset call.

An unsigned integer can take at most 10 digits, so extend the array size
to 22. (note that because the range of minor and major numbers is limited,
the size 16 could not be exceeded, thus this function couldn't write
beyond string end)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2025-06-03 19:06:32 +02:00
Mikulas Patocka
66be40a14e dm-verity: fix a memory leak if some arguments are specified multiple times
If some of the arguments "check_at_most_once", "ignore_zero_blocks",
"use_fec_from_device", "root_hash_sig_key_desc" were specified more than
once on the target line, a memory leak would happen.

This commit fixes the memory leak. It also fixes error handling in
verity_verify_sig_parse_opt_args.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
2025-06-03 19:01:42 +02:00
Mikulas Patocka
829451beae dm-mirror: fix a tiny race condition
There's a tiny race condition in dm-mirror. The functions queue_bio and
write_callback grab a spinlock, add a bio to the list, drop the spinlock
and wake up the mirrord thread that processes bios in the list.

It may be possible that the mirrord thread processes the bio just after
spin_unlock_irqrestore is called, before wakeup_mirrord. This spurious
wake-up is normally harmless, however if the device mapper device is
unloaded just after the bio was processed, it may be possible that
wakeup_mirrord(ms) uses invalid "ms" pointer.

Fix this bug by moving wakeup_mirrord inside the spinlock.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
2025-06-03 19:01:23 +02:00
Linus Torvalds
efe19d34f6 ata changes for 6.16-rc1
- Simplify ata_print_version_once() using dev_dbg_once() (From Heiner)
 
  - Some cleanups of libata-sata code to simplify the sense data fetching
    code and use BIT() macro for tag bit handling (From Niklas)
 
  - Fix variable name spelling in the sata_sx4 driver (From Colin)
 
  - Improve sense data information field handling for passthrough
    commands (from Igor)
 
  - Add Rockchip RK3576 SoC compatible to the Designware AHCI DT bindings
    (from Nicolas)
 
  - Add a message to indicate if a port is marked as external or not, to
    help with debugging potential issues with LPM (From Niklas)
 
  - Convert DT bindings for "ti,dm816-ahci", "apm,xgene-ahci",
    "cavium,ebt3000-compact-flash", "marvell,orion-sata", and
    "arasan,cf-spear1340" to DT schema (from Rob)
 
  - Cleanup and improve the code and related comments for HIPM and DIPM
    (host initiated and device initiated power managent) handling. In
    particular, keep DIPM disabled while modifying the allowed LPM states
    to avoid races with the device initiating power state changes (from
    Niklas)
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Merge tag 'ata-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata updates from Damien Le Moal:

 - Simplify ata_print_version_once() using dev_dbg_once() (Heiner)

 - Some cleanups of libata-sata code to simplify the sense data fetching
   code and use BIT() macro for tag bit handling (Niklas)

 - Fix variable name spelling in the sata_sx4 driver (Colin)

 - Improve sense data information field handling for passthrough
   commands (Igor)

 - Add Rockchip RK3576 SoC compatible to the Designware AHCI DT bindings
   (Nicolas)

 - Add a message to indicate if a port is marked as external or not, to
   help with debugging potential issues with LPM (Niklas)

 - Convert DT bindings for "ti,dm816-ahci", "apm,xgene-ahci",
   "cavium,ebt3000-compact-flash", "marvell,orion-sata", and
   "arasan,cf-spear1340" to DT schema (Rob)

 - Cleanup and improve the code and related comments for HIPM and DIPM
   (host initiated and device initiated power managent) handling.

   In particular, keep DIPM disabled while modifying the allowed LPM
   states to avoid races with the device initiating power state changes
   (Niklas)

* tag 'ata-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  ata: libata-eh: Keep DIPM disabled while modifying the allowed LPM states
  ata: libata-eh: Rename no_dipm variable to be more clear
  ata: libata-eh: Rename hipm and dipm variables
  ata: libata-eh: Add ata_eh_set_lpm() WARN_ON_ONCE
  ata: libata-eh: Update DIPM comments to reflect reality
  dt-bindings: ata: Convert arasan,cf-spear1340 to DT schema
  dt-bindings: ata: Convert marvell,orion-sata to DT schema
  dt-bindings: ata: Convert cavium,ebt3000-compact-flash to DT schema
  dt-bindings: ata: Convert apm,xgene-ahci to DT schema
  dt-bindings: ata: Convert st,ahci to DT schema
  dt-bindings: ata: Convert ti,dm816-ahci to DT schema
  ata: libata: Print if port is external on boot
  dt-bindings: ata: rockchip-dwc-ahci: add RK3576 compatible
  ata: libata-scsi: Do not set the INFORMATION field twice for ATA PT
  ata: sata_sx4: Fix spelling mistake "parttern" -> "pattern"
  ata: libata-sata: Use BIT() macro to convert tag to bit field
  ata: libata-sata: Simplify sense_valid fetching
  ata: libata-core: Simplify ata_print_version_once
2025-06-03 09:42:38 -07:00
Linus Torvalds
76c21d2254 hwmon updates for v6.16
- New drivers
 
   * Driver for KEBA fan controller
 
   * Driver for KEBA battery monitoring controller
 
   * Driver for MAX77705
 
 - Support added to existing drivers
 
   * asus-ec-sensors: Support or MAXIMUS VI HERO and ROG MAXIMUS Z90 Formula
 
   * ina238: Support for SQ52206
 
   * pmbus/lt3074: Support for lt3074
 
   * pmbus/max34440: Support for ADPM12160
 
   * pmbus/mpq8785: Support for MPM82504 and for MPM3695 family
 
   * dell-smm: Add the Dell OptiPlex 7050 to the DMI whitelist
 
   * k10temp: Support for Zen5 Ryzen Desktop
 
 - Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:
   - KEBA fan controller
   - KEBA battery monitoring controller
   - MAX77705

  Support added to existing drivers:
   - MAXIMUS VI HERO and ROG MAXIMUS Z90 Formula support (asus-ec-sensors)
   - SQ52206 support (ina238)
   - lt3074 support (pmbus/lt3074)
   - ADPM12160 support (pmbus/max34440)
   - MPM82504 and for MPM3695 family support (pmbus/mpq8785)
   - Add the Dell OptiPlex 7050 to the DMI whitelist (dell-smm)
   - Zen5 Ryzen Desktop support (k10temp)

  Various other minor fixes and improvements"

* tag 'hwmon-for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (48 commits)
  doc: hwmon: acpi_power_meter: Add information about enabling the power capping feature.
  hwmon: (isl28022) Fix current reading calculation
  hwmon: (lm75) Fix I3C transfer buffer pointer for incoming data
  hwmon: Add KEBA fan controller support
  hwmon: pmbus: mpq8785: Add support for MPM3695 family
  hwmon: pmbus: mpq8785: Add support for MPM82504
  hwmon: pmbus: mpq8785: Implement VOUT feedback resistor divider ratio configuration
  hwmon: pmbus: mpq8785: Prepare driver for multiple device support
  dt-bindings: hwmon: Add bindings for mpq8785 driver
  hwmon: (ina238) Modify the calculation formula to adapt to different chips
  hwmon: (ina238) Add support for SQ52206
  dt-bindings: Add SQ52206 to ina2xx devicetree bindings
  hwmon: (ina238) Add ina238_config to save configurations for different chips
  hwmon: (ausus-ec-sensors) add MAXIMUS VI HERO.
  hwmon: (isl28022, nct7363) Convert to use maple tree register cache
  hwmon: (asus-ec-sensors) check sensor index in read_string()
  hwmon: (asus-ec-sensors) add ROG MAXIMUS Z90 Formula.
  dt-bindings: hwmon: Add Sophgo SG2044 external hardware monitor support
  hwmon: (max77705) Add initial support
  hwmon: (tmp102) add vcc regulator support
  ...
2025-06-03 09:11:26 -07:00
Linus Torvalds
f5164456c6 Xtensa updates for v6.16
- migrate to the generic rule for built-in DTB
 - cleanups in code and common_defconfig
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Merge tag 'xtensa-20250603' of https://github.com/jcmvbkbc/linux-xtensa

Pull xtensa updates from Max Filippov:

 - migrate to the generic rule for built-in DTB

 - cleanups in code and common_defconfig

* tag 'xtensa-20250603' of https://github.com/jcmvbkbc/linux-xtensa:
  arch: xtensa: defconfig: Drop obsolete CONFIG_NET_CLS_TCINDEX
  xtensa: migrate to the generic rule for built-in DTB
  xtensa: ptrace: Remove zero-length alignment array
2025-06-03 09:05:01 -07:00
Linus Torvalds
c00b285024 hyperv-next for v6.16
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Merge tag 'hyperv-next-signed-20250602' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Support for Virtual Trust Level (VTL) on arm64 (Roman Kisel)

 - Fixes for Hyper-V UIO driver (Long Li)

 - Fixes for Hyper-V PCI driver (Michael Kelley)

 - Select CONFIG_SYSFB for Hyper-V guests (Michael Kelley)

 - Documentation updates for Hyper-V VMBus (Michael Kelley)

 - Enhance logging for hv_kvp_daemon (Shradha Gupta)

* tag 'hyperv-next-signed-20250602' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (23 commits)
  Drivers: hv: Always select CONFIG_SYSFB for Hyper-V guests
  Drivers: hv: vmbus: Add comments about races with "channels" sysfs dir
  Documentation: hyperv: Update VMBus doc with new features and info
  PCI: hv: Remove unnecessary flex array in struct pci_packet
  Drivers: hv: Remove hv_alloc/free_* helpers
  Drivers: hv: Use kzalloc for panic page allocation
  uio_hv_generic: Align ring size to system page
  uio_hv_generic: Use correct size for interrupt and monitor pages
  Drivers: hv: Allocate interrupt and monitor pages aligned to system page boundary
  arch/x86: Provide the CPU number in the wakeup AP callback
  x86/hyperv: Fix APIC ID and VP index confusion in hv_snp_boot_ap()
  PCI: hv: Get vPCI MSI IRQ domain from DeviceTree
  ACPI: irq: Introduce acpi_get_gsi_dispatcher()
  Drivers: hv: vmbus: Introduce hv_get_vmbus_root_device()
  Drivers: hv: vmbus: Get the IRQ number from DeviceTree
  dt-bindings: microsoft,vmbus: Add interrupt and DMA coherence properties
  arm64, x86: hyperv: Report the VTL the system boots in
  arm64: hyperv: Initialize the Virtual Trust Level field
  Drivers: hv: Provide arch-neutral implementation of get_vtl()
  Drivers: hv: Enable VTL mode for arm64
  ...
2025-06-03 08:39:20 -07:00
Linus Torvalds
04446eee58 This push fixes a loongarch header regression and a module name
collision on s390.
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Merge tag 'v6.16-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fixes from Herbert Xu:
 "Fix a loongarch header regression and a module name collision on s390"

* tag 'v6.16-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  asm-generic: Add sched.h inclusion in simd.h
  crypto: s390/sha256 - rename module to sha256-s390
2025-06-03 08:03:45 -07:00
Linus Torvalds
8b2198f037 bitmap-for-6.16
Bitmap updates for 6.16-rc1 include:
  - dead code cleanups for cpumasks and nodemasks (me);
  - fixed-width flavors of GENMASK() and BIT() (Vincent, Lucas and me);
  - FIELD_MODIFY() helper (Luo);
  - for_each_node_with_cpus() optimization (me);
  - bitmap-str fixes (Andy).
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Merge tag 'bitmap-for-6.16-rc1' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

 - dead code cleanups for cpumasks and nodemasks (me)

 - fixed-width flavors of GENMASK() and BIT() (Vincent, Lucas and me)

 - FIELD_MODIFY() helper (Luo)

 - for_each_node_with_cpus() optimization (me)

 - bitmap-str fixes (Andy)

* tag 'bitmap-for-6.16-rc1' of https://github.com/norov/linux:
  topology: make for_each_node_with_cpus() O(N)
  bitfield: Add FIELD_MODIFY() helper
  bitmap-str: Add missing header(s)
  bitmap-str: Get rid of 'extern' for function prototypes
  build_bug.h: more user friendly error messages in BUILD_BUG_ON_ZERO()
  test_bits: add tests for BIT_U*()
  test_bits: add tests for GENMASK_U*()
  drm/i915: Convert REG_GENMASK*() to fixed-width GENMASK_U*()
  bits: introduce fixed-type BIT_U*()
  bits: introduce fixed-type GENMASK_U*()
  bits: add comments and newlines to #if, #else and #endif directives
  cpumask: drop cpumask_assign_cpu()
  riscv: switch set_icache_stale_mask() to using non-atomic assign_cpu()
  cpumask: add non-atomic __assign_cpu()
  nodemask: drop nodes_shift
2025-06-03 07:39:23 -07:00