Commit Graph

1247699 Commits

Author SHA1 Message Date
Linus Torvalds
33a9caa499 phy-for-6.8
- New Support
   - Qualcomm SM8650 UFS, PCIe and USB/DP Combo PHY, eUSB2 PHY, SDX75 USB3,
     X1E80100 USB3 support
   - Mediatek MT8195 support
   - Rockchip RK3128 usb2 support
   - TI SGMII mode for J784S4
 
 - Updates
   - Qualcomm v7 register offsets updates
   - Mediatek tphy support for force phy mode switch
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Merge tag 'phy-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "New Support:

   - Qualcomm SM8650 UFS, PCIe and USB/DP Combo PHY, eUSB2 PHY, SDX75
     USB3, X1E80100 USB3 support

   - Mediatek MT8195 support

   - Rockchip RK3128 usb2 support

   - TI SGMII mode for J784S4

  Updates:

   - Qualcomm v7 register offsets updates

   - Mediatek tphy support for force phy mode switch"

* tag 'phy-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (34 commits)
  phy: ti: j721e-wiz: Add SGMII support in WIZ driver for J784S4
  phy: ti: gmii-sel: Enable SGMII mode for J784S4
  phy: qcom-qmp-usb: Add Qualcomm X1E80100 USB3 PHY support
  dt-bindings: phy: qcom,sc8280xp-qmp-usb3-uni: Add X1E80100 USB PHY binding
  phy: qcom-qmp-combo: Add x1e80100 USB/DP combo phys
  dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document X1E80100 compatible
  dt-bindings: phy: qcom: snps-eusb2: Document the X1E80100 compatible
  phy: mediatek: tphy: add support force phy mode switch
  dt-bindings: phy: mediatek: tphy: add a property for force-mode switch
  phy: phy-can-transceiver: insert space after include
  phy: qualcomm: phy-qcom-qmp-ufs: Rectify SM8550 UFS HS-G4 PHY Settings
  dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: fix path to header
  phy: renesas: phy-rcar-gen2: use select for GENERIC_PHY
  phy: qcom-qmp: qserdes-txrx: Add v7 register offsets
  phy: qcom-qmp: qserdes-txrx: Add V6 N4 register offsets
  phy: qcom-qmp: qserdes-com: Add v7 register offsets
  phy: qcom-qmp: pcs-usb: Add v7 register offsets
  phy: qcom-qmp: pcs: Add v7 register offsets
  phy: qcom-qmp: qserdes-txrx: Add some more v6.20 register offsets
  phy: qcom-qmp: qserdes-com: Add some more v6 register offsets
  ...
2024-01-18 17:11:43 -08:00
Linus Torvalds
4d5d604cc4 soundwire updates for 6.7
- Core: add concept of controller_id to deal with clear Controller/Manager
     hierarchy
  - bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
    qcom_swrm_stream_alloc_ports() and setting controller id to hw master id
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Merge tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire updates from Vinod Koul:

 - Core: add concept of controller_id to deal with clear Controller /
   Manager hierarchy

 - bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
   qcom_swrm_stream_alloc_ports() and setting controller id to hw master
   id

* tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: amd: drop bus freq calculation and set 'max_clk_freq'
  soundwire: generic_bandwidth_allocation use bus->params.max_dr_freq
  soundwire: qcom: set controller id to hw master id
  soundwire: fix initializing sysfs for same devices on different buses
  soundwire: bus: introduce controller_id
  soundwire: stream: constify sdw_port_config when adding devices
  soundwire: qcom: move sconfig in qcom_swrm_stream_alloc_ports() out of critical section
  soundwire: qcom: drop unneeded qcom_swrm_stream_alloc_ports() cleanup
2024-01-18 17:08:31 -08:00
Linus Torvalds
3455135839 gpio fixes for v6.8-rc1
- revert the changes aiming to use a read-write semaphore to protect the
   list of GPIO devices due to calls to legacy API taking that lock from
   atomic context in old code
 - fix inverted logic in DEFINE_FREE() for GPIO device references
 - check the return value of bgpio_init() in gpio-mlxbf3
 - fix node address in the DT bindings example for gpio-xilinx
 - fix signedness bug in gpio-rtd
 - fix kernel-doc warnings in gpio-en7523
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Merge tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:
 "Apart from some regular driver fixes there's a relatively big revert
  of the locking changes that were introduced to GPIOLIB in this merge
  window.

  This is because it turned out that some legacy GPIO interfaces - that
  need to translate a number from the global GPIO numberspace to the
  address of the relevant descriptor, thus running a GPIO device lookup
  and taking the GPIO device list lock - are still used in old code from
  atomic context resulting in "scheduling while atomic" errors.

  I'll try to make the read-only part of the list access entirely
  lockless using SRCU but this will take some time so let's go back to
  the old global spinlock for now.

  Summary:

   - revert the changes aiming to use a read-write semaphore to protect
     the list of GPIO devices due to calls to legacy API taking that
     lock from atomic context in old code

   - fix inverted logic in DEFINE_FREE() for GPIO device references

   - check the return value of bgpio_init() in gpio-mlxbf3

   - fix node address in the DT bindings example for gpio-xilinx

   - fix signedness bug in gpio-rtd

   - fix kernel-doc warnings in gpio-en7523"

* tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: revert the attempt to protect the GPIO device list with an rwsem
  gpio: EN7523: fix kernel-doc warnings
  gpiolib: Fix scope-based gpio_device refcounting
  gpio: mlxbf3: add an error code check in mlxbf3_gpio_probe
  dt-bindings: gpio: xilinx: Fix node address in gpio
  gpio: rtd: Fix signedness bug in probe
2024-01-18 17:03:51 -08:00
Linus Torvalds
5c93506983 pwm changes for 6.8, take 2
The first commit fixes a duplicate cleanup in an error path introduced
 in pwm/for-6.8-rc1~13.
 
 The second cares for an out-of-bounds access. In practise it doesn't
 happen---otherwise someone would have noticed since v5.17-rc1 I
 guess---because the device tree binding for the two drivers using
 of_pwm_single_xlate() only have args->args_count == 1. A device-tree
 that doesn't conform to the respective bindings could trigger that
 easily however.
 
 The third and last one corrects the request callback of the jz4740 pwm
 driver which used dev_err_probe() long after .probe() completed. This is
 conceptually wrong because dev_err_probe() might call
 device_set_deferred_probe_reason() which is nonsensical after the driver
 is bound.
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Merge tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm fixes from Uwe Kleine-König:

 - fix a duplicate cleanup in an error path introduced in
   this merge window

 - fix an out-of-bounds access

   In practise it doesn't happen - otherwise someone would have noticed
   since v5.17-rc1 I guess - because the device tree binding for the two
   drivers using of_pwm_single_xlate() only have args->args_count == 1.

   A device-tree that doesn't conform to the respective bindings could
   trigger that easily however.

 - correct the request callback of the jz4740 pwm driver which used
   dev_err_probe() long after .probe() completed.

   This is conceptually wrong because dev_err_probe() might call
   device_set_deferred_probe_reason() which is nonsensical after the
   driver is bound.

* tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux:
  pwm: jz4740: Don't use dev_err_probe() in .request()
  pwm: Fix out-of-bounds access in of_pwm_single_xlate()
  pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()
2024-01-18 16:58:21 -08:00
Linus Torvalds
21c91bb936 - New Drivers
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
 
  - Fix-ups
    - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
    - Device Tree Binding updates
    - Demote non-kerneldoc header comments
    - Improve error handling; return proper error values, simplify, avoid duplicates, etc
    - Convert over to the new (kinda) GPIOD API
 
  - Bug Fixes
    - Fix uninitialised local variable
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Merge tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Drivers:
   - Add support for Monolithic Power Systems MP3309C WLED Step-up Converter

  Fix-ups:
   - Use/convert to new/better APIs/helpers/MACROs instead of
     hand-rolling implementations
   - Device Tree Binding updates
   - Demote non-kerneldoc header comments
   - Improve error handling; return proper error values, simplify, avoid
     duplicates, etc
   - Convert over to the new (kinda) GPIOD API

  Bug Fixes:
   - Fix uninitialised local variable"

* tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: hx8357: Convert to agnostic GPIO API
  backlight: ili922x: Add an error code check in ili922x_write()
  backlight: ili922x: Drop kernel-doc for local macros
  backlight: mp3309c: Fix uninitialized local variable
  backlight: pwm_bl: Use dev_err_probe
  backlight: mp3309c: Add support for MPS MP3309C
  dt-bindings: backlight: mp3309c: Remove two required properties
2024-01-18 16:53:35 -08:00
Linus Torvalds
17e232b6d2 dma-mapping fixes for Linux 6.8
- fix kerneldoc warnings (Randy Dunlap)
  - better bounds checking in swiotlb (ZhangPeng)
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Merge tag 'dma-mapping-6.8-2024-01-18' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:

 - fix kerneldoc warnings (Randy Dunlap)

 - better bounds checking in swiotlb (ZhangPeng)

* tag 'dma-mapping-6.8-2024-01-18' of git://git.infradead.org/users/hch/dma-mapping:
  dma-debug: fix kernel-doc warnings
  swiotlb: check alloc_size before the allocation of a new memory pool
2024-01-18 16:49:34 -08:00
Linus Torvalds
77c9622d87 memblock: code readability improvement
Use NUMA_NO_NODE instead of -1 as return value of memblock_search_pfn_nid()
 to improve code readability and consistency with the callers of that
 function.
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Merge tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock update from Mike Rapoport:
 "Code readability improvement.

  Use NUMA_NO_NODE instead of -1 as return value of
  memblock_search_pfn_nid() to improve code readability
  and consistency with the callers of that function"

* tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock: Return NUMA_NO_NODE instead of -1 to improve code readability
2024-01-18 16:46:18 -08:00
Linus Torvalds
0b7359ccdd virtio: features, fixes
vdpa/mlx5: support for resumable vqs
 virtio_scsi: mq_poll support
 3virtio_pmem: support SHMEM_REGION
 virtio_balloon: stay awake while adjusting balloon
 virtio: support for no-reset virtio PCI PM
 
 Fixes, cleanups.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - vdpa/mlx5: support for resumable vqs

 - virtio_scsi: mq_poll support

 - 3virtio_pmem: support SHMEM_REGION

 - virtio_balloon: stay awake while adjusting balloon

 - virtio: support for no-reset virtio PCI PM

 - Fixes, cleanups

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vdpa/mlx5: Add mkey leak detection
  vdpa/mlx5: Introduce reference counting to mrs
  vdpa/mlx5: Use vq suspend/resume during .set_map
  vdpa/mlx5: Mark vq state for modification in hw vq
  vdpa/mlx5: Mark vq addrs for modification in hw vq
  vdpa/mlx5: Introduce per vq and device resume
  vdpa/mlx5: Allow modifying multiple vq fields in one modify command
  vdpa/mlx5: Expose resumable vq capability
  vdpa: Block vq property changes in DRIVER_OK
  vdpa: Track device suspended state
  scsi: virtio_scsi: Add mq_poll support
  virtio_pmem: support feature SHMEM_REGION
  virtio_balloon: stay awake while adjusting balloon
  vdpa: Remove usage of the deprecated ida_simple_xx() API
  virtio: Add support for no-reset virtio PCI PM
  virtio_net: fix missing dma unmap for resize
  vhost-vdpa: account iommu allocations
  vdpa: Fix an error handling path in eni_vdpa_probe()
2024-01-18 16:44:03 -08:00
Linus Torvalds
da3c45c721 hwmon updates for v6.8 - part 2
Fix crash seen when instantiating npcm750-pwm-fan
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Merge tag 'hwmon-for-v6.8-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmonfix from Guenter Roeck:
 "Fix crash seen when instantiating npcm750-pwm-fan"

* tag 'hwmon-for-v6.8-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (npcm750-pwm-fan) Fix crash observed when instantiating nuvoton,npcm750-pwm-fan
2024-01-18 16:42:18 -08:00
Linus Torvalds
db5ccb9eb2 cxl for v6.8
- Add support for parsing the Coherent Device Attribute Table (CDAT)
 
 - Add support for calculating a platform CXL QoS class from CDAT data
 
 - Unify the tracing of EFI CXL Events with native CXL Events.
 
 - Add Get Timestamp support
 
 - Miscellaneous cleanups and fixups
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Merge tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "The bulk of this update is support for enumerating the performance
  capabilities of CXL memory targets and connecting that to a platform
  CXL memory QoS class. Some follow-on work remains to hook up this data
  into core-mm policy, but that is saved for v6.9.

  The next significant update is unifying how CXL event records (things
  like background scrub errors) are processed between so called
  "firmware first" and native error record retrieval. The CXL driver
  handler that processes the record retrieved from the device mailbox is
  now the handler for that same record format coming from an EFI/ACPI
  notification source.

  This also contains miscellaneous feature updates, like Get Timestamp,
  and other fixups.

  Summary:

   - Add support for parsing the Coherent Device Attribute Table (CDAT)

   - Add support for calculating a platform CXL QoS class from CDAT data

   - Unify the tracing of EFI CXL Events with native CXL Events.

   - Add Get Timestamp support

   - Miscellaneous cleanups and fixups"

* tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (41 commits)
  cxl/core: use sysfs_emit() for attr's _show()
  cxl/pci: Register for and process CPER events
  PCI: Introduce cleanup helpers for device reference counts and locks
  acpi/ghes: Process CXL Component Events
  cxl/events: Create a CXL event union
  cxl/events: Separate UUID from event structures
  cxl/events: Remove passing a UUID to known event traces
  cxl/events: Create common event UUID defines
  cxl/events: Promote CXL event structures to a core header
  cxl: Refactor to use __free() for cxl_root allocation in cxl_endpoint_port_probe()
  cxl: Refactor to use __free() for cxl_root allocation in cxl_find_nvdimm_bridge()
  cxl: Fix device reference leak in cxl_port_perf_data_calculate()
  cxl: Convert find_cxl_root() to return a 'struct cxl_root *'
  cxl: Introduce put_cxl_root() helper
  cxl/port: Fix missing target list lock
  cxl/port: Fix decoder initialization when nr_targets > interleave_ways
  cxl/region: fix x9 interleave typo
  cxl/trace: Pass UUID explicitly to event traces
  cxl/region: use %pap format to print resource_size_t
  cxl/region: Add dev_dbg() detail on failure to allocate HPA space
  ...
2024-01-18 16:22:43 -08:00
Linus Torvalds
244aefb1c6 VFIO updates for v6.8-rc1
- Add debugfs support, initially used for reporting device migration
    state. (Longfang Liu)
 
  - Fixes and support for migration dirty tracking across multiple IOVA
    regions in the pds-vfio-pci driver. (Brett Creeley)
 
  - Improved IOMMU allocation accounting visibility. (Pasha Tatashin)
 
  - Virtio infrastructure and a new virtio-vfio-pci variant driver, which
    provides emulation of a legacy virtio interfaces on modern virtio
    hardware for virtio-net VF devices where the PF driver exposes
    support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
    VF to provide driver ABI compatibility to legacy devices.
    (Yishai Hadas & Feng Liu)
 
  - Migration fixes for the hisi-acc-vfio-pci variant driver.
    (Shameer Kolothum)
 
  - Kconfig dependency fix for new virtio-vfio-pci variant driver.
    (Arnd Bergmann)
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Merge tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Add debugfs support, initially used for reporting device migration
   state (Longfang Liu)

 - Fixes and support for migration dirty tracking across multiple IOVA
   regions in the pds-vfio-pci driver (Brett Creeley)

 - Improved IOMMU allocation accounting visibility (Pasha Tatashin)

 - Virtio infrastructure and a new virtio-vfio-pci variant driver, which
   provides emulation of a legacy virtio interfaces on modern virtio
   hardware for virtio-net VF devices where the PF driver exposes
   support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
   VF to provide driver ABI compatibility to legacy devices (Yishai
   Hadas & Feng Liu)

 - Migration fixes for the hisi-acc-vfio-pci variant driver (Shameer
   Kolothum)

 - Kconfig dependency fix for new virtio-vfio-pci variant driver (Arnd
   Bergmann)

* tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio: (22 commits)
  vfio/virtio: fix virtio-pci dependency
  hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
  vfio/virtio: Declare virtiovf_pci_aer_reset_done() static
  vfio/virtio: Introduce a vfio driver over virtio devices
  vfio/pci: Expose vfio_pci_core_iowrite/read##size()
  vfio/pci: Expose vfio_pci_core_setup_barmap()
  virtio-pci: Introduce APIs to execute legacy IO admin commands
  virtio-pci: Initialize the supported admin commands
  virtio-pci: Introduce admin commands
  virtio-pci: Introduce admin command sending function
  virtio-pci: Introduce admin virtqueue
  virtio: Define feature bit for administration virtqueue
  vfio/type1: account iommu allocations
  vfio/pds: Add multi-region support
  vfio/pds: Move seq/ack bitmaps into region struct
  vfio/pds: Pass region info to relevant functions
  vfio/pds: Move and rename region specific info
  vfio/pds: Only use a single SGL for both seq and ack
  vfio/pds: Fix calculations in pds_vfio_dirty_sync
  MAINTAINERS: Add vfio debugfs interface doc link
  ...
2024-01-18 15:57:25 -08:00
Linus Torvalds
86c4d58a99 iommufd for 6.8
This brings the first of three planned user IO page table invalidation
 operations:
 
  - IOMMU_HWPT_INVALIDATE allows invalidating the IOTLB integrated into the
    iommu itself. The Intel implementation will also generate an ATC
    invalidation to flush the device IOTLB as it unambiguously knows the
    device, but other HW will not.
 
 It goes along with the prior PR to implement userspace IO page tables (aka
 nested translation for VMs) to allow Intel to have full functionality for
 simple cases. An Intel implementation of the operation is provided.
 
 Fix a small bug in the selftest mock iommu driver probe.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd

Pull iommufd updates from Jason Gunthorpe:
 "This brings the first of three planned user IO page table invalidation
  operations:

   - IOMMU_HWPT_INVALIDATE allows invalidating the IOTLB integrated into
     the iommu itself. The Intel implementation will also generate an
     ATC invalidation to flush the device IOTLB as it unambiguously
     knows the device, but other HW will not.

  It goes along with the prior PR to implement userspace IO page tables
  (aka nested translation for VMs) to allow Intel to have full
  functionality for simple cases. An Intel implementation of the
  operation is provided.

  Also fix a small bug in the selftest mock iommu driver probe"

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
  iommufd/selftest: Check the bus type during probe
  iommu/vt-d: Add iotlb flush for nested domain
  iommufd: Add data structure for Intel VT-d stage-1 cache invalidation
  iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl
  iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op
  iommufd/selftest: Add mock_domain_cache_invalidate_user support
  iommu: Add iommu_copy_struct_from_user_array helper
  iommufd: Add IOMMU_HWPT_INVALIDATE
  iommu: Add cache_invalidate_user op
2024-01-18 15:28:15 -08:00
Linus Torvalds
0dde2bf67b IOMMU Updates for Linux v6.8
Including:
 
 	- Core changes:
 	  - Fix race conditions in device probe path
 	  - Retire IOMMU bus_ops
 	  - Support for passing custom allocators to page table drivers
 	  - Clean up Kconfig around IOMMU_SVA
 	  - Support for sharing SVA domains with all devices bound to
 	    a mm
 	  - Firmware data parsing cleanup
 	  - Tracing improvements for iommu-dma code
 	  - Some smaller fixes and cleanups
 
 	- ARM-SMMU drivers:
 	  - Device-tree binding updates:
 	     - Add additional compatible strings for Qualcomm SoCs
 	     - Document Adreno clocks for Qualcomm's SM8350 SoC
 	  - SMMUv2:
 	    - Implement support for the ->domain_alloc_paging() callback
 	    - Ensure Secure context is restored following suspend of Qualcomm SMMU
 	      implementation
 	  - SMMUv3:
 	    - Disable stalling mode for the "quiet" context descriptor
 	    - Minor refactoring and driver cleanups
 
 	 - Intel VT-d driver:
 	   - Cleanup and refactoring
 
 	 - AMD IOMMU driver:
 	   - Improve IO TLB invalidation logic
 	   - Small cleanups and improvements
 
 	 - Rockchip IOMMU driver:
 	   - DT binding update to add Rockchip RK3588
 
 	 - Apple DART driver:
 	   - Apple M1 USB4/Thunderbolt DART support
 	   - Cleanups
 
 	 - Virtio IOMMU driver:
 	   - Add support for iotlb_sync_map
 	   - Enable deferred IO TLB flushes
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Merge tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:
 "Core changes:
   - Fix race conditions in device probe path
   - Retire IOMMU bus_ops
   - Support for passing custom allocators to page table drivers
   - Clean up Kconfig around IOMMU_SVA
   - Support for sharing SVA domains with all devices bound to a mm
   - Firmware data parsing cleanup
   - Tracing improvements for iommu-dma code
   - Some smaller fixes and cleanups

  ARM-SMMU drivers:
   - Device-tree binding updates:
      - Add additional compatible strings for Qualcomm SoCs
      - Document Adreno clocks for Qualcomm's SM8350 SoC
   - SMMUv2:
      - Implement support for the ->domain_alloc_paging() callback
      - Ensure Secure context is restored following suspend of Qualcomm
        SMMU implementation
   - SMMUv3:
      - Disable stalling mode for the "quiet" context descriptor
      - Minor refactoring and driver cleanups

  Intel VT-d driver:
   - Cleanup and refactoring

  AMD IOMMU driver:
   - Improve IO TLB invalidation logic
   - Small cleanups and improvements

  Rockchip IOMMU driver:
   - DT binding update to add Rockchip RK3588

  Apple DART driver:
   - Apple M1 USB4/Thunderbolt DART support
   - Cleanups

  Virtio IOMMU driver:
   - Add support for iotlb_sync_map
   - Enable deferred IO TLB flushes"

* tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
  iommu: Don't reserve 0-length IOVA region
  iommu/vt-d: Move inline helpers to header files
  iommu/vt-d: Remove unused vcmd interfaces
  iommu/vt-d: Remove unused parameter of intel_pasid_setup_pass_through()
  iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
  iommu/sva: Fix memory leak in iommu_sva_bind_device()
  dt-bindings: iommu: rockchip: Add Rockchip RK3588
  iommu/dma: Trace bounce buffer usage when mapping buffers
  iommu/arm-smmu: Convert to domain_alloc_paging()
  iommu/arm-smmu: Pass arm_smmu_domain to internal functions
  iommu/arm-smmu: Implement IOMMU_DOMAIN_BLOCKED
  iommu/arm-smmu: Convert to a global static identity domain
  iommu/arm-smmu: Reorganize arm_smmu_domain_add_master()
  iommu/arm-smmu-v3: Remove ARM_SMMU_DOMAIN_NESTED
  iommu/arm-smmu-v3: Master cannot be NULL in arm_smmu_write_strtab_ent()
  iommu/arm-smmu-v3: Add a type for the STE
  iommu/arm-smmu-v3: disable stall for quiet_cd
  iommu/qcom: restore IOMMU state if needed
  iommu/arm-smmu-qcom: Add QCM2290 MDSS compatible
  iommu/arm-smmu-qcom: Add missing GMU entry to match table
  ...
2024-01-18 15:16:57 -08:00
Linus Torvalds
e7ded27593 percpu:
- Enable percpu page allocator for risc-v. There are risc-v
   configurations with sparse NUMA configurations and small vmalloc
   space causing dynamic percpu allocations to fail as the backing chunk
   stride is too far apart.
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Merge tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu

Pull percpu updates from Dennis Zhou:
 "Enable percpu page allocator for RISC-V.

  There are RISC-V configurations with sparse NUMA configurations and
  small vmalloc space causing dynamic percpu allocations to fail as the
  backing chunk stride is too far apart"

* tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
  riscv: Enable pcpu page first chunk allocator
  mm: Introduce flush_cache_vmap_early()
2024-01-18 15:01:28 -08:00
Linus Torvalds
24f3a63e1f More eventfs fixes and a seq_buf fix for 6.8:
- Hard-code the inodes for eventfs to the same number for files, and
   the same number for directories.
 
 - Have getdent() not create dentries/inodes in iterate_shared() as now
   it has hard-coded inode numbers
 
 - Use kcalloc() instead of kzalloc() on a list of elements
 
 - Fix seq_buf warning and make static work properly.
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Merge tag 'eventfs-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull eventfs updates from Steven Rostedt:

 - Remove "lookup" parameter of create_dir_dentry() and
   create_file_dentry(). These functions were called by lookup and the
   readdir logic, where readdir needed it to up the ref count of the
   dentry but the lookup did not. A "lookup" parameter was passed in to
   tell it what to do, but this complicated the code. It is better to
   just always up the ref count and require the caller to decrement it,
   even for lookup.

 - Modify the .iterate_shared callback to not use the dcache_readdir()
   logic and just handle what gets displayed by that one function. This
   removes the need for eventfs to hijack the file->private_data from
   the dcache_readdir() "cursor" pointer, and makes the code a bit more
   sane

 - Use the root and instance inodes for default ownership. Instead of
   walking the dentry tree and updating each dentry gid, use the
   getattr(), setattr() and permission() callbacks to set the ownership
   and permissions using the root or instance as the default

 - Some other optimizations with the eventfs iterate_shared logic

 - Hard-code the inodes for eventfs to the same number for files, and
   the same number for directories

 - Have getdent() not create dentries/inodes in iterate_shared() as now
   it has hard-coded inode numbers

 - Use kcalloc() instead of kzalloc() on a list of elements

 - Fix seq_buf warning and make static work properly.

* tag 'eventfs-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  seq_buf: Make DECLARE_SEQ_BUF() usable
  eventfs: Use kcalloc() instead of kzalloc()
  eventfs: Do not create dentries nor inodes in iterate_shared
  eventfs: Have the inodes all for files and directories all be the same
  eventfs: Shortcut eventfs_iterate() by skipping entries already read
  eventfs: Read ei->entries before ei->children in eventfs_iterate()
  eventfs: Do ctx->pos update for all iterations in eventfs_iterate()
  eventfs: Have eventfs_iterate() stop immediately if ei->is_freed is set
  tracefs/eventfs: Use root and instance inodes as default ownership
  eventfs: Stop using dcache_readdir() for getdents()
  eventfs: Remove "lookup" parameter from create_dir/file_dentry()
2024-01-18 14:45:33 -08:00
Linus Torvalds
a2ded784cd tracing updates for 6.8:
- Allow kernel trace instance creation to specify what events are created
   Inside the kernel, a subsystem may create a tracing instance that it can
   use to send events to user space. This sub-system may not care about the
   thousands of events that exist in eventfs. Allow the sub-system to specify
   what sub-systems of events it cares about, and only those events are exposed
   to this instance.
 
 - Allow the ring buffer to be broken up into bigger sub-buffers than just the
   architecture page size. A new tracefs file called "buffer_subbuf_size_kb"
   is created. The user can now specify a minimum size the sub-buffer may be
   in kilobytes. Note, that the implementation currently make the sub-buffer
   size a power of 2 pages (1, 2, 4, 8, 16, ...) but the user only writes in
   kilobyte size, and the sub-buffer will be updated to the next size that
   it will can accommodate it. If the user writes in 10, it will change the
   size to be 4 pages on x86 (16K), as that is the next available size that
   can hold 10K pages.
 
 - Update the debug output when a corrupt time is detected in the ring buffer.
   If the ring buffer detects inconsistent timestamps, there's a debug config
   options that will dump the contents of the meta data of the sub-buffer that
   is used for debugging. Add some more information to this dump that helps
   with debugging.
 
 - Add more timestamp debugging checks (only triggers when the config is enabled)
 
 - Increase the trace_seq iterator to 2 page sizes.
 
 - Allow strings written into tracefs_marker to be larger. Up to just under
   2 page sizes (based on what trace_seq can hold).
 
 - Increase the trace_maker_raw write to be as big as a sub-buffer can hold.
 
 - Remove 32 bit time stamp logic, now that the rb_time_cmpxchg() has been
   removed.
 
 - More selftests were added.
 
 - Some code clean ups as well.
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Merge tag 'trace-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing updates from Steven Rostedt:

 - Allow kernel trace instance creation to specify what events are
   created

   Inside the kernel, a subsystem may create a tracing instance that it
   can use to send events to user space. This sub-system may not care
   about the thousands of events that exist in eventfs. Allow the
   sub-system to specify what sub-systems of events it cares about, and
   only those events are exposed to this instance.

 - Allow the ring buffer to be broken up into bigger sub-buffers than
   just the architecture page size.

   A new tracefs file called "buffer_subbuf_size_kb" is created. The
   user can now specify a minimum size the sub-buffer may be in
   kilobytes. Note, that the implementation currently make the
   sub-buffer size a power of 2 pages (1, 2, 4, 8, 16, ...) but the user
   only writes in kilobyte size, and the sub-buffer will be updated to
   the next size that it will can accommodate it. If the user writes in
   10, it will change the size to be 4 pages on x86 (16K), as that is
   the next available size that can hold 10K pages.

 - Update the debug output when a corrupt time is detected in the ring
   buffer. If the ring buffer detects inconsistent timestamps, there's a
   debug config options that will dump the contents of the meta data of
   the sub-buffer that is used for debugging. Add some more information
   to this dump that helps with debugging.

 - Add more timestamp debugging checks (only triggers when the config is
   enabled)

 - Increase the trace_seq iterator to 2 page sizes.

 - Allow strings written into tracefs_marker to be larger. Up to just
   under 2 page sizes (based on what trace_seq can hold).

 - Increase the trace_maker_raw write to be as big as a sub-buffer can
   hold.

 - Remove 32 bit time stamp logic, now that the rb_time_cmpxchg() has
   been removed.

 - More selftests were added.

 - Some code clean ups as well.

* tag 'trace-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (29 commits)
  ring-buffer: Remove stale comment from ring_buffer_size()
  tracing histograms: Simplify parse_actions() function
  tracing/selftests: Remove exec permissions from trace_marker.tc test
  ring-buffer: Use subbuf_order for buffer page masking
  tracing: Update subbuffer with kilobytes not page order
  ringbuffer/selftest: Add basic selftest to test changing subbuf order
  ring-buffer: Add documentation on the buffer_subbuf_order file
  ring-buffer: Just update the subbuffers when changing their allocation order
  ring-buffer: Keep the same size when updating the order
  tracing: Stop the tracing while changing the ring buffer subbuf size
  tracing: Update snapshot order along with main buffer order
  ring-buffer: Make sure the spare sub buffer used for reads has same size
  ring-buffer: Do no swap cpu buffers if order is different
  ring-buffer: Clear pages on error in ring_buffer_subbuf_order_set() failure
  ring-buffer: Read and write to ring buffers with custom sub buffer size
  ring-buffer: Set new size of the ring buffer sub page
  ring-buffer: Add interface for configuring trace sub buffer size
  ring-buffer: Page size per ring buffer
  ring-buffer: Have ring_buffer_print_page_header() be able to access ring_buffer_iter
  ring-buffer: Check if absolute timestamp goes backwards
  ...
2024-01-18 14:35:29 -08:00
Linus Torvalds
5b890ad456 Probes update for v6.8:
- Kprobes trace event to show the actual function name in notrace-symbol
   warning. Instead of using user specified symbol name, use "%ps" printk
   format to show the actual symbol at the probe address. Since kprobe
   event accepts the offset from symbol which is bigger than the symbol
   size, user specified symbol may not be the actual probed symbol.
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Merge tag 'probes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes update from Masami Hiramatsu:

 - Update the Kprobes trace event to show the actual function name in
   notrace-symbol warning.

   Instead of using the user specified symbol name, use "%ps" printk
   format to show the actual symbol at the probe address. Since kprobe
   event accepts the offset from symbol which is bigger than the symbol
   size, the user specified symbol may not be the actual probed symbol.

* tag 'probes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  trace/kprobe: Display the actual notrace function when rejecting a probe
2024-01-18 14:21:22 -08:00
Linus Torvalds
302d185865 s390 updates for 6.8 merge window part 2
- do not enable by default the support of 31-bit Enterprise Systems
   Architecture (ESA) ELF binaries
 
 - drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
   explicitly for defconfig and debug_defconfig only
 
 - fix zpci_get_max_io_size() to allow PCI block stores where
   normal PCI stores were used otherwise
 
 - remove unneeded tsk variable in do_exception() fault handler
 
 - __load_fpu_regs() is only called from the core kernel code.
   Therefore, remove not needed EXPORT_SYMBOL.
 
 - remove leftover comment from s390_fpregs_set() callback
 
 - few cleanups to Processor Activity Instrumentation (PAI) code
   (which perf framework is based on)
 
 - replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
   Communication Vehicle (IUCV) networking maintainer
 
 - Fix all scenarios where queues previously removed from a guest's
   Adjunct-Processor (AP) configuration do not re-appear in a reset
   state when they are subsequently made available to a guest again
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Merge tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Alexander Gordeev:

 - do not enable by default the support of 31-bit Enterprise Systems
   Architecture (ESA) ELF binaries

 - drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
   explicitly for defconfig and debug_defconfig only

 - fix zpci_get_max_io_size() to allow PCI block stores where normal PCI
   stores were used otherwise

 - remove unneeded tsk variable in do_exception() fault handler

 - __load_fpu_regs() is only called from the core kernel code.
   Therefore, remove not needed EXPORT_SYMBOL.

 - remove leftover comment from s390_fpregs_set() callback

 - few cleanups to Processor Activity Instrumentation (PAI) code (which
   perf framework is based on)

 - replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
   Communication Vehicle (IUCV) networking maintainer

 - Fix all scenarios where queues previously removed from a guest's
   Adjunct-Processor (AP) configuration do not re-appear in a reset
   state when they are subsequently made available to a guest again

* tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/vfio-ap: do not reset queue removed from host config
  s390/vfio-ap: reset queues associated with adapter for queue unbound from driver
  s390/vfio-ap: reset queues filtered from the guest's AP config
  s390/vfio-ap: let on_scan_complete() callback filter matrix and update guest's APCB
  s390/vfio-ap: loop over the shadow APCB when filtering guest's AP configuration
  s390/vfio-ap: always filter entire AP matrix
  s390/net: add Thorsten Winkler as maintainer
  s390/pai_ext: split function paiext_push_sample
  s390/pai_ext: rework function paiext_copy argments
  s390/pai: rework paiXXX_start and paiXXX_stop functions
  s390/pai_crypto: split function paicrypt_push_sample
  s390/pai: rework paixxxx_getctr interface
  s390/ptrace: remove leftover comment
  s390/fpu: remove __load_fpu_regs() export
  s390/mm,fault: remove not needed tsk variable
  s390/pci: fix max size calculation in zpci_memcpy_toio()
  s390/kexec: do not automatically select KEXEC option
  s390/compat: change default for CONFIG_COMPAT to "n"
2024-01-18 14:11:25 -08:00
Linus Torvalds
b4442cadca - Add support managing TDX host hardware
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Merge tag 'x86_tdx_for_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 TDX updates from Dave Hansen:
 "This contains the initial support for host-side TDX support so that
  KVM can run TDX-protected guests. This does not include the actual
  KVM-side support which will come from the KVM folks. The TDX host
  interactions with kexec also needs to be ironed out before this is
  ready for prime time, so this code is currently Kconfig'd off when
  kexec is on.

  The majority of the code here is the kernel telling the TDX module
  which memory to protect and handing some additional memory over to it
  to use to store TDX module metadata. That sounds pretty simple, but
  the TDX architecture is rather flexible and it takes quite a bit of
  back-and-forth to say, "just protect all memory, please."

  There is also some code tacked on near the end of the series to handle
  a hardware erratum. The erratum can make software bugs such as a
  kernel write to TDX-protected memory cause a machine check and
  masquerade as a real hardware failure. The erratum handling watches
  out for these and tries to provide nicer user errors"

* tag 'x86_tdx_for_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  x86/virt/tdx: Make TDX host depend on X86_MCE
  x86/virt/tdx: Disable TDX host support when kexec is enabled
  Documentation/x86: Add documentation for TDX host support
  x86/mce: Differentiate real hardware #MCs from TDX erratum ones
  x86/cpu: Detect TDX partial write machine check erratum
  x86/virt/tdx: Handle TDX interaction with sleep and hibernation
  x86/virt/tdx: Initialize all TDMRs
  x86/virt/tdx: Configure global KeyID on all packages
  x86/virt/tdx: Configure TDX module with the TDMRs and global KeyID
  x86/virt/tdx: Designate reserved areas for all TDMRs
  x86/virt/tdx: Allocate and set up PAMTs for TDMRs
  x86/virt/tdx: Fill out TDMRs to cover all TDX memory regions
  x86/virt/tdx: Add placeholder to construct TDMRs to cover all TDX memory regions
  x86/virt/tdx: Get module global metadata for module initialization
  x86/virt/tdx: Use all system memory when initializing TDX module as TDX memory
  x86/virt/tdx: Add skeleton to enable TDX on demand
  x86/virt/tdx: Add SEAMCALL error printing for module initialization
  x86/virt/tdx: Handle SEAMCALL no entropy error in common code
  x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC
  x86/virt/tdx: Define TDX supported page sizes as macros
  ...
2024-01-18 13:41:48 -08:00
Linus Torvalds
ba7dd8570d - Clean up selftest compilation issues, mostly from non-gcc compilers
- Avoid building selftests when not on x86
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Merge tag 'x86_sgx_for_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SGX updates from Dave Hansen:
 "This time, these are entirely confined to SGX selftests fixes.

  The mini SGX enclave built by the selftests has garnered some
  attention because it stands alone and does not need the sizable
  infrastructure of the official SGX SDK. I think that's why folks are
  suddently interested in cleaning it up.

   - Clean up selftest compilation issues, mostly from non-gcc compilers

   - Avoid building selftests when not on x86"

* tag 'x86_sgx_for_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  selftests/sgx: Skip non X86_64 platform
  selftests/sgx: Remove incomplete ABI sanitization code in test enclave
  selftests/sgx: Discard unsupported ELF sections
  selftests/sgx: Ensure expected location of test enclave buffer
  selftests/sgx: Ensure test enclave buffer is entirely preserved
  selftests/sgx: Fix linker script asserts
  selftests/sgx: Handle relocations in test enclave
  selftests/sgx: Produce static-pie executable for test enclave
  selftests/sgx: Remove redundant enclave base address save/restore
  selftests/sgx: Specify freestanding environment for enclave compilation
  selftests/sgx: Separate linker options
  selftests/sgx: Include memory clobber for inline asm in test enclave
  selftests/sgx: Fix uninitialized pointer dereferences in encl_get_entry
  selftests/sgx: Fix uninitialized pointer dereference in error path
2024-01-18 13:23:53 -08:00
Linus Torvalds
b0d326da46 Fix a cpufreq related performance regression on certain systems,
where the CPU would remain at the lowest frequency, degrading
 performance substantially.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2024-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:
 "Fix a cpufreq related performance regression on certain systems, where
  the CPU would remain at the lowest frequency, degrading performance
  substantially"

* tag 'sched-urgent-2024-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix frequency selection for non-invariant case
2024-01-18 11:57:33 -08:00
Linus Torvalds
8c94ccc7cd USB / Thunderbolt changes for 6.8-rc1
Here is the big set of USB and Thunderbolt changes for 6.8-rc1.
 Included in here are the following:
   - Thunderbolt subsystem and driver updates for USB 4 hardware and
     issues reported by real devices
   - xhci driver updates
   - dwc3 driver updates
   - uvc_video gadget driver updates
   - typec driver updates
   - gadget string functions cleaned up
   - other small changes
 
 All of these have been in the linux-next tree for a while with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.8-rc1.
  Included in here are the following:

   - Thunderbolt subsystem and driver updates for USB 4 hardware and
     issues reported by real devices

   - xhci driver updates

   - dwc3 driver updates

   - uvc_video gadget driver updates

   - typec driver updates

   - gadget string functions cleaned up

   - other small changes

  All of these have been in the linux-next tree for a while with no
  reported issues"

* tag 'usb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
  usb: typec: tipd: fix use of device-specific init function
  usb: typec: tipd: Separate reset for TPS6598x
  usb: mon: Fix atomicity violation in mon_bin_vma_fault
  usb: gadget: uvc: Remove nested locking
  usb: gadget: uvc: Fix use are free during STREAMOFF
  usb: typec: class: fix typec_altmode_put_partner to put plugs
  dt-bindings: usb: dwc3: Limit num-hc-interrupters definition
  dt-bindings: usb: xhci: Add num-hc-interrupters definition
  xhci: add support to allocate several interrupters
  USB: core: Use device_driver directly in struct usb_driver and usb_device_driver
  arm64: dts: mediatek: mt8195: Add 'rx-fifo-depth' for cherry
  usb: xhci-mtk: fix a short packet issue of gen1 isoc-in transfer
  dt-bindings: usb: mtk-xhci: add a property for Gen1 isoc-in transfer issue
  arm64: dts: qcom: msm8996: Remove PNoC clock from MSS
  arm64: dts: qcom: msm8996: Remove AGGRE2 clock from SLPI
  arm64: dts: qcom: msm8998: Remove AGGRE2 clock from SLPI
  arm64: dts: qcom: msm8939: Drop RPM bus clocks
  arm64: dts: qcom: sdm630: Drop RPM bus clocks
  arm64: dts: qcom: qcs404: Drop RPM bus clocks
  arm64: dts: qcom: msm8996: Drop RPM bus clocks
  ...
2024-01-18 11:43:55 -08:00
Linus Torvalds
bd736f38c0 TTY/Serial changes for 6.8-rc1
Here is the big set of tty and serial driver changes for 6.8-rc1.
 
 As usual, Jiri has a bunch of refactoring and cleanups for the tty core
 and drivers in here, along with the usual set of rs485 updates (someday
 this might work properly...)  Along with those, in here are changes for:
   - sc16is7xx serial driver updates
   - platform driver removal api updates
   - amba-pl011 driver updates
   - tty driver binding updates
   - other small tty/serial driver updates and changes
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial updates from Greg KH:
 "Here is the big set of tty and serial driver changes for 6.8-rc1.

  As usual, Jiri has a bunch of refactoring and cleanups for the tty
  core and drivers in here, along with the usual set of rs485 updates
  (someday this might work properly...)

  Along with those, in here are changes for:

   - sc16is7xx serial driver updates

   - platform driver removal api updates

   - amba-pl011 driver updates

   - tty driver binding updates

   - other small tty/serial driver updates and changes

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (197 commits)
  serial: sc16is7xx: refactor EFR lock
  serial: sc16is7xx: reorder code to remove prototype declarations
  serial: sc16is7xx: refactor FIFO access functions to increase commonality
  serial: sc16is7xx: drop unneeded MODULE_ALIAS
  serial: sc16is7xx: replace hardcoded divisor value with BIT() macro
  serial: sc16is7xx: add explicit return for some switch default cases
  serial: sc16is7xx: add macro for max number of UART ports
  serial: sc16is7xx: add driver name to struct uart_driver
  serial: sc16is7xx: use i2c_get_match_data()
  serial: sc16is7xx: use spi_get_device_match_data()
  serial: sc16is7xx: use DECLARE_BITMAP for sc16is7xx_lines bitfield
  serial: sc16is7xx: improve do/while loop in sc16is7xx_irq()
  serial: sc16is7xx: remove obsolete loop in sc16is7xx_port_irq()
  serial: sc16is7xx: set safe default SPI clock frequency
  serial: sc16is7xx: add check for unsupported SPI modes during probe
  serial: sc16is7xx: fix invalid sc16is7xx_lines bitfield in case of probe error
  serial: 8250_exar: Set missing rs485_supported flag
  serial: omap: do not override settings for RS485 support
  serial: core, imx: do not set RS485 enabled if it is not supported
  serial: core: make sure RS485 cannot be enabled when it is not supported
  ...
2024-01-18 11:37:24 -08:00
Linus Torvalds
e38f734add Staging driver changes for 6.8-rc1
Here is the "big" set of staging driver changes for 6.8-rc1.  It's not
 really that big this release cycle, not much happened except for 186
 patches of coding style cleanups.  The majority was in the rtl8192e
 driver, but there are other smaller changes in a few other staging
 drivers, full details in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the "big" set of staging driver changes for 6.8-rc1. It's not
  really that big this release cycle, not much happened except for 186
  patches of coding style cleanups. The majority was in the rtl8192e
  driver, but there are other smaller changes in a few other staging
  drivers, full details in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (186 commits)
  Staging: rtl8192e: Rename variable OpMode
  Staging: rtl8192e: Rename variable bIsAggregateFrame
  Staging: rtl8192e: Rename function rtllib_EnableNetMonitorMode()
  Staging: rtl8192e: Rename variable NumRxOkInPeriod
  Staging: rtl8192e: Rename variable NumTxOkInPeriod
  Staging: rtl8192e: Rename variable bUsed
  staging: vme_user: print more detailed infomation when an error occurs
  Staging: rtl8192e: Rename function rtllib_DisableNetMonitorMode()
  Staging: rtl8192e: Rename variable bInitState
  Staging: rtl8192e: Rename variable skb_waitQ
  Staging: rtl8192e: Rename variable BasicRate
  Staging: rtl8192e: Rename variable QueryRate
  Staging: rtl8192e: Rename function rtllib_TURBO_Info()
  Staging: rtl8192e: Rename function rtllib_WMM_Info()
  Staging: rtl8192e: Rename function rtllib_MFIE_Grate()
  Staging: rtl8192e: Rename function rtllib_MFIE_Brate()
  Staging: rtl8192e: Fixup statement broken across 2 lines in rtllib_softmac_new_net()
  Staging: rtl8192e: Fixup statement broken across 2 lines in rtllib_softmac_xmit()
  Staging: rtl8192e: Fix function definition broken across multiple lines
  Staging: rtl8192e: Fix statement broken across 2 lines in rtllib_rx_assoc_resp()
  ...
2024-01-18 10:30:48 -08:00
Linus Torvalds
80955ae955 Driver core changes for 6.8-rc1
Here are the set of driver core and kernfs changes for 6.8-rc1.  Nothing
 major in here this release cycle, just lots of small cleanups and some
 tweaks on kernfs that in the very end, got reverted and will come back
 in a safer way next release cycle.
 
 Included in here are:
   - more driver core 'const' cleanups and fixes
   - fw_devlink=rpm is now the default behavior
   - kernfs tiny changes to remove some string functions
   - cpu handling in the driver core is updated to work better on many
     systems that add topologies and cpus after booting
   - other minor changes and cleanups
 
 All of the cpu handling patches have been acked by the respective
 maintainers and are coming in here in one series.  Everything has been
 in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here are the set of driver core and kernfs changes for 6.8-rc1.
  Nothing major in here this release cycle, just lots of small cleanups
  and some tweaks on kernfs that in the very end, got reverted and will
  come back in a safer way next release cycle.

  Included in here are:

   - more driver core 'const' cleanups and fixes

   - fw_devlink=rpm is now the default behavior

   - kernfs tiny changes to remove some string functions

   - cpu handling in the driver core is updated to work better on many
     systems that add topologies and cpus after booting

   - other minor changes and cleanups

  All of the cpu handling patches have been acked by the respective
  maintainers and are coming in here in one series. Everything has been
  in linux-next for a while with no reported issues"

* tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (51 commits)
  Revert "kernfs: convert kernfs_idr_lock to an irq safe raw spinlock"
  kernfs: convert kernfs_idr_lock to an irq safe raw spinlock
  class: fix use-after-free in class_register()
  PM: clk: make pm_clk_add_notifier() take a const pointer
  EDAC: constantify the struct bus_type usage
  kernfs: fix reference to renamed function
  driver core: device.h: fix Excess kernel-doc description warning
  driver core: class: fix Excess kernel-doc description warning
  driver core: mark remaining local bus_type variables as const
  driver core: container: make container_subsys const
  driver core: bus: constantify subsys_register() calls
  driver core: bus: make bus_sort_breadthfirst() take a const pointer
  kernfs: d_obtain_alias(NULL) will do the right thing...
  driver core: Better advertise dev_err_probe()
  kernfs: Convert kernfs_path_from_node_locked() from strlcpy() to strscpy()
  kernfs: Convert kernfs_name_locked() from strlcpy() to strscpy()
  kernfs: Convert kernfs_walk_ns() from strlcpy() to strscpy()
  initramfs: Expose retained initrd as sysfs file
  fs/kernfs/dir: obey S_ISGID
  kernel/cgroup: use kernfs_create_dir_ns()
  ...
2024-01-18 09:48:40 -08:00
Nathan Lynch
7a8e9cdf94 seq_buf: Make DECLARE_SEQ_BUF() usable
Using the address operator on the array doesn't work:

./include/linux/seq_buf.h:27:27: error: initialization of ‘char *’
  from incompatible pointer type ‘char (*)[128]’
  [-Werror=incompatible-pointer-types]
   27 |                 .buffer = &__ ## NAME ## _buffer,       \
      |                           ^

Apart from fixing that, we can improve DECLARE_SEQ_BUF() by using a
compound literal to define the buffer array without attaching a name
to it. This makes the macro a single statement, allowing constructs
such as:

  static DECLARE_SEQ_BUF(my_seq_buf, MYSB_SIZE);

to work as intended.

Link: https://lkml.kernel.org/r/20240116-declare-seq-buf-fix-v1-1-915db4692f32@linux.ibm.com

Cc: stable@vger.kernel.org
Acked-by: Kees Cook <keescook@chromium.org>
Fixes: dcc4e5728e ("seq_buf: Introduce DECLARE_SEQ_BUF and seq_buf_str()")
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2024-01-18 09:22:02 -05:00
Linus Torvalds
296455ade1 Char/Misc and other Driver changes for 6.8-rc1
Here is the big set of char/misc and other driver subsystem changes for
 6.8-rc1.  Lots of stuff in here, but first off, you will get a merge
 conflict in drivers/android/binder_alloc.c when merging this tree due to
 changing coming in through the -mm tree.
 
 The resolution of the merge issue can be found here:
 	https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au
 or in a simpler patch form in that thread:
 	https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com
 
 If there are issues with the merge of this file, please let me know.
 
 Other than lots of binder driver changes (as you can see by the merge
 conflicts) included in here are:
  - lots of iio driver updates and additions
  - spmi driver updates
  - eeprom driver updates
  - firmware driver updates
  - ocxl driver updates
  - mhi driver updates
  - w1 driver updates
  - nvmem driver updates
  - coresight driver updates
  - platform driver remove callback api changes
  - tags.sh script updates
  - bus_type constant marking cleanups
  - lots of other small driver updates
 
 All of these have been in linux-next for a while with no reported issues
 (other than the binder merge conflict.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem changes
  for 6.8-rc1.

  Other than lots of binder driver changes (as you can see by the merge
  conflicts) included in here are:

   - lots of iio driver updates and additions

   - spmi driver updates

   - eeprom driver updates

   - firmware driver updates

   - ocxl driver updates

   - mhi driver updates

   - w1 driver updates

   - nvmem driver updates

   - coresight driver updates

   - platform driver remove callback api changes

   - tags.sh script updates

   - bus_type constant marking cleanups

   - lots of other small driver updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
  android: removed duplicate linux/errno
  uio: Fix use-after-free in uio_open
  drivers: soc: xilinx: add check for platform
  firmware: xilinx: Export function to use in other module
  scripts/tags.sh: remove find_sources
  scripts/tags.sh: use -n to test archinclude
  scripts/tags.sh: add local annotation
  scripts/tags.sh: use more portable -path instead of -wholename
  scripts/tags.sh: Update comment (addition of gtags)
  firmware: zynqmp: Convert to platform remove callback returning void
  firmware: turris-mox-rwtm: Convert to platform remove callback returning void
  firmware: stratix10-svc: Convert to platform remove callback returning void
  firmware: stratix10-rsu: Convert to platform remove callback returning void
  firmware: raspberrypi: Convert to platform remove callback returning void
  firmware: qemu_fw_cfg: Convert to platform remove callback returning void
  firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
  firmware: imx-dsp: Convert to platform remove callback returning void
  firmware: coreboot_table: Convert to platform remove callback returning void
  firmware: arm_scpi: Convert to platform remove callback returning void
  firmware: arm_scmi: Convert to platform remove callback returning void
  ...
2024-01-17 16:47:17 -08:00
Linus Torvalds
e1aa9df440 pci-v6.8-changes
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Merge tag 'pci-v6.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Reserve ECAM so we don't assign it to PCI BARs; this works around
     bugs where BIOS included ECAM in a PNP0A03 host bridge window,
     didn't reserve it via a PNP0C02 motherboard device, and didn't
     allocate space for SR-IOV VF BARs (Bjorn Helgaas)

   - Add MMCONFIG/ECAM debug logging (Bjorn Helgaas)

   - Rename 'MMCONFIG' to 'ECAM' to match spec usage (Bjorn Helgaas)

   - Log device type (Root Port, Switch Port, etc) during enumeration
     (Bjorn Helgaas)

   - Log bridges before downstream devices so the dmesg order is more
     logical (Bjorn Helgaas)

   - Log resource names (BAR 0, VF BAR 0, bridge window, etc)
     consistently instead of a mix of names and "reg 0x10" (Puranjay
     Mohan, Bjorn Helgaas)

   - Fix 64GT/s effective data rate calculation to use 1b/1b encoding
     rather than the 8b/10b or 128b/130b used by lower rates (Ilpo
     Järvinen)

   - Use PCI_HEADER_TYPE_* instead of literals in x86, powerpc, SCSI
     lpfc (Ilpo Järvinen)

   - Clean up open-coded PCIBIOS return code mangling (Ilpo Järvinen)

  Resource management:

   - Restructure pci_dev_for_each_resource() to avoid computing the
     address of an out-of-bounds array element (the bounds check was
     performed later so the element was never actually *read*, but it's
     nicer to avoid even computing an out-of-bounds address) (Andy
     Shevchenko)

  Driver binding:

   - Convert pci-host-common.c platform .remove() callback to
     .remove_new() returning 'void' since it's not useful to return
     error codes here (Uwe Kleine-König)

   - Convert exynos, keystone, kirin from .remove() to .remove_new(),
     which returns void instead of int (Uwe Kleine-König)

   - Drop unused struct pci_driver.node member (Mathias Krause)

  Virtualization:

   - Add ACS quirk for more Zhaoxin Root Ports (LeoLiuoc)

  Error handling:

   - Log AER errors as "Correctable" (not "Corrected") or
     "Uncorrectable" to match spec terminology (Bjorn Helgaas)

   - Decode Requester ID when no error info found instead of printing
     the raw hex value (Bjorn Helgaas)

  Endpoint framework:

   - Use a unique test pattern for each BAR in the pci_endpoint_test to
     make it easier to debug address translation issues (Niklas Cassel)

  Broadcom STB PCIe controller driver:

   - Add DT property "brcm,clkreq-mode" and driver support for different
     CLKREQ# modes to make ASPM L1.x states possible (Jim Quinlan)

  Freescale Layerscape PCIe controller driver:

   - Add suspend/resume support for Layerscape LS1043a and LS1021a,
     including software-managed PME_Turn_Off and transitions between L0,
     L2/L3_Ready Link states (Frank Li)

  MediaTek PCIe controller driver:

   - Clear MSI interrupt status before handler to avoid missing MSIs
     that occur after the handler (qizhong cheng)

  MediaTek PCIe Gen3 controller driver:

   - Update mediatek-gen3 translation window setup to handle MMIO space
     that is not a power of two in size (Jianjun Wang)

  Qualcomm PCIe controller driver:

   - Increase qcom iommu-map maxItems to accommodate SDX55 (five
     entries) and SDM845 (sixteen entries) (Krzysztof Kozlowski)

   - Describe qcom,pcie-sc8180x clocks and resets accurately (Krzysztof
     Kozlowski)

   - Describe qcom,pcie-sm8150 clocks and resets accurately (Krzysztof
     Kozlowski)

   - Correct the qcom "reset-name" property, previously incorrectly
     called "reset-names" (Krzysztof Kozlowski)

   - Document qcom,pcie-sm8650, based on qcom,pcie-sm8550 (Neil
     Armstrong)

  Renesas R-Car PCIe controller driver:

   - Replace of_device.h with explicit of.h include to untangle header
     usage (Rob Herring)

   - Add DT and driver support for optional miniPCIe 1.5v and 3.3v
     regulators on KingFisher (Wolfram Sang)

  SiFive FU740 PCIe controller driver:

   - Convert fu740 CONFIG_PCIE_FU740 dependency from SOC_SIFIVE to
     ARCH_SIFIVE (Conor Dooley)

  Synopsys DesignWare PCIe controller driver:

   - Align iATU mapping for endpoint MSI-X (Niklas Cassel)

   - Drop "host_" prefix from struct dw_pcie_host_ops members (Yoshihiro
     Shimoda)

   - Drop "ep_" prefix from struct dw_pcie_ep_ops members (Yoshihiro
     Shimoda)

   - Rename struct dw_pcie_ep_ops.func_conf_select() to
     .get_dbi_offset() to be more descriptive (Yoshihiro Shimoda)

   - Add Endpoint DBI accessors to encapsulate offset lookups (Yoshihiro
     Shimoda)

  TI J721E PCIe driver:

   - Add j721e DT and driver support for 'num-lanes' for devices that
     support x1, x2, or x4 Links (Matt Ranostay)

   - Add j721e DT compatible strings and driver support for j784s4 (Matt
     Ranostay)

   - Make TI J721E Kconfig depend on ARCH_K3 since the hardware is
     specific to those TI SoC parts (Peter Robinson)

  TI Keystone PCIe controller driver:

   - Hold power management references to all PHYs while enabling them to
     avoid a race when one provides clocks to others (Siddharth
     Vadapalli)

  Xilinx XDMA PCIe controller driver:

   - Remove redundant dev_err(), since platform_get_irq() and
     platform_get_irq_byname() already log errors (Yang Li)

   - Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
     (Krzysztof Wilczyński)

   - Fix xilinx_pl_dma_pcie_init_irq_domain() error return when
     irq_domain_add_linear() fails (Harshit Mogalapalli)

  MicroSemi Switchtec management driver:

   - Do dma_mrpc cleanup during switchtec_pci_remove() to match its devm
     ioremapping in switchtec_pci_probe(). Previously the cleanup was
     done in stdev_release(), which used stale pointers if stdev->cdev
     happened to be open when the PCI device was removed (Daniel
     Stodden)

  Miscellaneous:

   - Convert interrupt terminology from "legacy" to "INTx" to be more
     specific and match spec terminology (Damien Le Moal)

   - In dw-xdata-pcie, pci_endpoint_test, and vmd, replace usage of
     deprecated ida_simple_*() API with ida_alloc() and ida_free()
     (Christophe JAILLET)"

* tag 'pci-v6.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (97 commits)
  PCI: Fix kernel-doc issues
  PCI: brcmstb: Configure HW CLKREQ# mode appropriate for downstream device
  dt-bindings: PCI: brcmstb: Add property "brcm,clkreq-mode"
  PCI: mediatek-gen3: Fix translation window size calculation
  PCI: mediatek: Clear interrupt status before dispatching handler
  PCI: keystone: Fix race condition when initializing PHYs
  PCI: xilinx-xdma: Fix error code in xilinx_pl_dma_pcie_init_irq_domain()
  PCI: xilinx-xdma: Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
  PCI: rcar-gen4: Fix -Wvoid-pointer-to-enum-cast error
  PCI: iproc: Fix -Wvoid-pointer-to-enum-cast warning
  PCI: dwc: Add dw_pcie_ep_{read,write}_dbi[2] helpers
  PCI: dwc: Rename .func_conf_select to .get_dbi_offset in struct dw_pcie_ep_ops
  PCI: dwc: Rename .ep_init to .init in struct dw_pcie_ep_ops
  PCI: dwc: Drop host prefix from struct dw_pcie_host_ops members
  misc: pci_endpoint_test: Use a unique test pattern for each BAR
  PCI: j721e: Make TI J721E depend on ARCH_K3
  PCI: j721e: Add TI J784S4 PCIe configuration
  PCI/AER: Use explicit register sizes for struct members
  PCI/AER: Decode Requester ID when no error info found
  PCI/AER: Use 'Correctable' and 'Uncorrectable' spec terms for errors
  ...
2024-01-17 16:23:17 -08:00
Linus Torvalds
a3f4a07b50 I3C for 6.7
Core:
  - Add a sysfs control for hotjoin
  - Add fallback method for GETMXDS CCC
 
 Drivers:
  - cdns: fix prescale for i2c clock
  - mipi-i3c-hci: more fixes now that the driver is used
  - svc: hotjoin enabling/disabling support
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Merge tag 'i3c/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "We are continuing to see more fixes as hardware is available and code
  is actually getting tested.

  Core:
   - Add a sysfs control for hotjoin
   - Add fallback method for GETMXDS CCC

  Drivers:
   - cdns: fix prescale for i2c clock
   - mipi-i3c-hci: more fixes now that the driver is used
   - svc: hotjoin enabling/disabling support"

* tag 'i3c/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: document hotjoin sysfs entry
  i3c: master: fix kernel-doc check warning
  i3c: master: cdns: Update maximum prescaler value for i2c clock
  i3c: master: fix Excess kernel-doc description warning
  i3c: master: svc: return actual transfer data len
  i3c: master: svc: rename read_len as actual_len
  i3c: add actual_len in i3c_priv_xfer
  i3c: master: svc: add hot join support
  i3c: master: add enable(disable) hot join in sys entry
  i3c: master: Fix build error
  i3c: Add fallback method for GETMXDS CCC
  i3c: mipi-i3c-hci: Add DMA bounce buffer for private transfers
  i3c: mipi-i3c-hci: Handle I3C address header error in hci_cmd_v1_daa()
  i3c: mipi-i3c-hci: Do not overallocate transfers in hci_cmd_v1_daa()
  i3c: mipi-i3c-hci: Report NACK response from CCC command to core
2024-01-17 16:06:16 -08:00
Linus Torvalds
ed6c23b175 This is the main pin control pull request for the v6.8 kernel series.
Core changes:
 
 - A new PINCTRL_GROUP_DESC() infrastructure macro is added and
   used in different drivers, generic group description struct
   group_desc is now used all over the place.
 
 New drivers:
 
 - New driver for the Texas Instruments TPS6494 Power Management IC.
 
 - New driver for the Lantic PEF2256 framer pin multiplexer.
   This IC has some pins that can be reconfigured in different
   ways. The actual driver comes on an immutable branch with the
   net WAN parts, the IC is some latest-and-greatest serial line
   funnel for e.g. wireless access points.
 
 - New subdriver for the Samsung Exynos Auto V920 pin controller,
   used for automotive applications.
 
 - New subdriver for the Samsung "GS101" SoC pin controller, this
   is the Google "Tensor" SoC used in the Google Pixel 6.
 
 - New subdriver for the Intel Meteor Point SoC pin controller.
 
 - New subdriver for the Qualcomm SM8650 top level (TLMM) and LPASS pin
   controllers.
 
 - New subdriver for the Qualcomm X1E80100 top level (TLMM) pin
   controller.
 
 - New subdriver for the Qualcomm SM4450 top level (TLMM) pin
   controller.
 
 - The "single" pin controller now supports the Texas Instruments
   J7200 SoC.
 
 Improvements:
 
 - Intel has created a new (Intel-)generic pin controller driver that
   is now used by all contemporary Intel platforms.
 
 - Intel is now also making use of some cleanup helpers.
 
 - Enble 910 Ohm bias in the Intel Tangier driver.
 
 - The Samsung driver now suppors irq_set_affinity() in it's IRQ chip
   giving support for non wake up external gpio interrupts.
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Merge tag 'pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "For this kernel cycle I managed an immutable branch for the PEF2256
  WAN framer that has some pin control portions. It already landed in
  your tree through the net pull request but here it is mentioned again.

  The most interesting is perhaps the Samsung Exynos subdrivers for the
  Tensor SoC used in Google Pixel 6 and the ExynosAuto subdriver for
  automotive. Along with the earlier merged Tesla FSD subdriver it shows
  some of the versatile uses of the Samsung Exynos silicon. It is also
  used in the latest version of Axis Communications ARTPEC chips so it
  is a very widely deployed SoC family.

  We also have the Intel Meteor Lake SoC which I think is for laptops.
  It's a pretty interesting chip with Xe graphics and integrated PCH.

  Core changes:

   - A new PINCTRL_GROUP_DESC() infrastructure macro is added and used
     in different drivers, generic group description struct group_desc
     is now used all over the place.

  New drivers:

   - New driver for the Texas Instruments TPS6494 Power Management IC.

   - New driver for the Lantic PEF2256 framer pin multiplexer. This IC
     has some pins that can be reconfigured in different ways. The
     actual driver comes on an immutable branch with the net WAN parts,
     the IC is some latest-and-greatest serial line funnel for e.g.
     wireless access points.

   - New subdriver for the Samsung Exynos Auto V920 pin controller, used
     for automotive applications.

   - New subdriver for the Samsung "GS101" SoC pin controller, this is
     the Google "Tensor" SoC used in the Google Pixel 6.

   - New subdriver for the Intel Meteor Point SoC pin controller.

   - New subdriver for the Qualcomm SM8650 top level (TLMM) and LPASS
     pin controllers.

   - New subdriver for the Qualcomm X1E80100 top level (TLMM) pin
     controller.

   - New subdriver for the Qualcomm SM4450 top level (TLMM) pin
     controller.

   - The "single" pin controller now supports the Texas Instruments
     J7200 SoC.

  Improvements:

   - Intel has created a new (Intel-)generic pin controller driver that
     is now used by all contemporary Intel platforms.

   - Intel is now also making use of some cleanup helpers.

   - Enble 910 Ohm bias in the Intel Tangier driver.

   - The Samsung driver now suppors irq_set_affinity() in it's IRQ chip
     giving support for non wake up external gpio interrupts"

* tag 'pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (112 commits)
  pinctrl: samsung: constify iomem pointers
  pinctrl: cy8c95x0: Cache muxed registers
  dt-bindings: pinctrl: xilinx: Rename *gpio to *gpio-grp
  pinctrl: qcom: lpass-lpi: remove duplicated include
  dt-bindings: pinctrl: qcom: drop common properties and allow wakeup-parent
  dt-bindings: pinctrl: qcom: drop common properties
  dt-bindings: pinctrl: qcom,ipq5018-tlmm: use common TLMM bindings
  dt-bindings: pinctrl: qcom,x1e80100-tlmm: restrict number of interrupts
  dt-bindings: pinctrl: qcom,sm8650-tlmm: restrict number of interrupts
  dt-bindings: pinctrl: qcom,sm8550-tlmm: restrict number of interrupts
  dt-bindings: pinctrl: qcom,sdx75-tlmm: restrict number of interrupts
  dt-bindings: pinctrl: qcom,sa8775p-tlmm: restrict number of interrupts
  dt-bindings: pinctrl: qcom,qdu1000-tlmm: restrict number of interrupts
  dt-bindings: pinctrl: qcom: create common LPASS LPI schema
  pinctrl: qcom: sm4450: dd SM4450 pinctrl driver
  dt-bindings: pinctrl: qcom: Add SM4450 pinctrl
  dt-bindings: pinctrl: qcom,pmic-mpp: clean up example
  pinctrl: intel: Add Intel Meteor Point pin controller and GPIO support
  pinctrl: renesas: rzg2l: Add input enable to the Ethernet pins
  pinctrl: renesas: rzg2l: Add output enable support
  ...
2024-01-17 15:55:33 -08:00
Linus Torvalds
5d197e97fb HSI changes for the 6.8 series
* modernize IDA API
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Merge tag 'hsi-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - modernize IDA API

* tag 'hsi-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: omap_ssi: Remove usage of the deprecated ida_simple_xx() API
2024-01-17 15:48:46 -08:00
Linus Torvalds
75afd029e6 mediatek: add CMDQ support for mt8188
mhuv2: fix channel window status
 qcom: document X1E80100 IPC controller
 	  misc cleanup
 xlnx: add Versal bindings
 misc: Convert to platform remove callback returning void
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Merge tag 'mailbox-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox

Pull mailbox updates from Jassi Brar:

 - add CMDQ support for mediatek mt8188

 - mhuv2: fix channel window status

 - qcom: document X1E80100 IPC controller and misc cleanup

 - add Versal bindings to xlnx

 - Convert to platform remove callback returning void

* tag 'mailbox-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox: (23 commits)
  mailbox: mtk-cmdq: Add CMDQ driver support for mt8188
  mailbox: mtk-cmdq: Sort cmdq platform data by compatible name
  mailbox: mtk-cmdq: Rename gce_plat variable with SoC name postfix
  dt-bindings: mailbox: qcom-ipcc: document the X1E80100 Inter-Processor Communication Controller
  mailbox: zynqmp-ipi: Convert to platform remove callback returning void
  mailbox: tegra-hsp: Convert to platform remove callback returning void
  mailbox: sun6i-msgbox: Convert to platform remove callback returning void
  mailbox: stm32-ipcc: Convert to platform remove callback returning void
  mailbox: qcom-ipcc: Convert to platform remove callback returning void
  mailbox: qcom-apcs-ipc: Convert to platform remove callback returning void
  mailbox: omap: Convert to platform remove callback returning void
  mailbox: mtk-cmdq: Convert to platform remove callback returning void
  mailbox: mailbox-test: Convert to platform remove callback returning void
  mailbox: imx: Convert to platform remove callback returning void
  mailbox: bcm-pdc: Convert to platform remove callback returning void
  mailbox: bcm-flexrm: Convert to platform remove callback returning void
  mailbox: zynqmp-ipi: fix an Excess struct member kernel-doc warning
  dt-bindings: mailbox: add Versal IPI bindings
  dt-bindings: mailbox: zynqmp: extend required list
  mailbox: arm_mhuv2: Fix a bug for mhuv2_sender_interrupt
  ...
2024-01-17 15:39:32 -08:00
Linus Torvalds
08df80a3c5 - New Drivers
- Add support for Allwinner A100 RGB LED controller
    - Add support for Maxim 5970 Dual Hot-swap controller
 
  - New Device Support
    - Add support for AW20108 to Awinic LED driver
 
  - New Functionality
    - Extend support for Net speeds to include; 2.5G, 5G and 10G
    - Allow tx/rx and cts/dsr/dcd/rng TTY LEDS to be turned on and off via sysfs if required
    - Add support for hardware control in AW200xx
 
  - Fix-ups
    - Use safer methods for string handling
    - Improve error handling; return proper error values, simplify, avoid duplicates, etc
    - Replace Mutex use with the Completion mechanism
    - Fix include lists; alphabetise, remove unused, explicitly add used
    - Use generic platform device properties
    - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
    - Device Tree binding adaptions/conversions/creation
    - Continue work to remove superfluous platform .remove() call-backs
    - Remove superfluous/defunct code
    - Trivial; whitespace, unused variables, spelling, clean-ups, etc
    - Avoid unnecessary duplicate locks
 
  - Bug Fixes
    - Repair Kconfig based dependency lists
    - Ensure unused dynamically allocated data is freed after use
    - Fix support for brightness control
    - Add missing sufficient delays during reset to ensure correct operation
    - Avoid division-by-zero issues
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Merge tag 'leds-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "New Drivers:
   - Add support for Allwinner A100 RGB LED controller
   - Add support for Maxim 5970 Dual Hot-swap controller

  New Device Support:
   - Add support for AW20108 to Awinic LED driver

  New Functionality:
   - Extend support for Net speeds to include; 2.5G, 5G and 10G
   - Allow tx/rx and cts/dsr/dcd/rng TTY LEDS to be turned on and off
     via sysfs if required
   - Add support for hardware control in AW200xx

  Fix-ups:
   - Use safer methods for string handling
   - Improve error handling; return proper error values, simplify,
     avoid duplicates, etc
   - Replace Mutex use with the Completion mechanism
   - Fix include lists; alphabetise, remove unused, explicitly add used
   - Use generic platform device properties
   - Use/convert to new/better APIs/helpers/MACROs instead of
     hand-rolling implementations
   - Device Tree binding adaptions/conversions/creation
   - Continue work to remove superfluous platform .remove() call-backs
   - Remove superfluous/defunct code
   - Trivial; whitespace, unused variables, spelling, clean-ups, etc
   - Avoid unnecessary duplicate locks

  Bug Fixes:
   - Repair Kconfig based dependency lists
   - Ensure unused dynamically allocated data is freed after use
   - Fix support for brightness control
   - Add missing sufficient delays during reset to ensure correct
     operation
   - Avoid division-by-zero issues"

* tag 'leds-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (45 commits)
  leds: trigger: netdev: Add core support for hw not supporting fallback to LED sw control
  leds: trigger: panic: Don't register panic notifier if creating the trigger failed
  leds: sun50i-a100: Convert to be agnostic to property provider
  leds: max5970: Add missing headers
  leds: max5970: Make use of dev_err_probe()
  leds: max5970: Make use of device properties
  leds: max5970: Remove unused variable
  leds: rgb: Drop obsolete dependency on COMPILE_TEST
  leds: sun50i-a100: Avoid division-by-zero warning
  leds: trigger: Remove unused function led_trigger_rename_static()
  leds: qcom-lpg: Introduce a wrapper for getting driver data from a pwm chip
  leds: gpio: Add kernel log if devm_fwnode_gpiod_get() fails
  dt-bindings: leds: qcom,spmi-flash-led: Fix example node name
  dt-bindings: leds: aw200xx: Fix led pattern and add reg constraints
  dt-bindings: leds: awinic,aw200xx: Add AW20108 device
  leds: aw200xx: Add support for aw20108 device
  leds: aw200xx: Improve autodim calculation method
  leds: aw200xx: Enable disable_locking flag in regmap config
  leds: aw200xx: Add delay after software reset
  dt-bindings: leds: aw200xx: Remove property "awinic,display-rows"
  ...
2024-01-17 15:25:27 -08:00
Linus Torvalds
2385018a4e - New Device Support
- Add support for Qualcomm PM8937 PMIC to QCOM SPMI PMIC
 
  - Fix-ups
    - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
    - Device Tree binding adaptions/conversions/creation
    - Improve error handling; return proper error values, simplify, avoid duplicates, etc
    - Continue work to remove superfluous platform .remove() call-backs
    - Move some exported symbols into private namespaces
    - Clean-up and staticify PM related operations
    - Trivial; spelling, whitespace, clean-ups, etc
    - Fix include lists; alphabetise, remove unused, explicitly add used
 
  - Bug Fixes
    - Use PLATFORM_DEVID_AUTO to ensure multiple duplicate devices can co-exist
    - Ensure debugfs register view is correctly presented
    - Fix ordering and value issues in current use of clk_register_fractional_divider()
    - Repair Kconfig based dependency lists
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Merge tag 'mfd-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull mfd updates from Lee Jones:
 "New Device Support:
   - Add support for Qualcomm PM8937 PMIC to QCOM SPMI PMIC

  Fix-ups:
   - Use/convert to new/better APIs/helpers/MACROs instead of
     hand-rolling implementations
   - Device Tree binding adaptions/conversions/creation
   - Improve error handling; return proper error values, simplify,
     avoid duplicates, etc
   - Continue work to remove superfluous platform .remove() call-backs
   - Move some exported symbols into private namespaces
   - Clean-up and staticify PM related operations
   - Trivial; spelling, whitespace, clean-ups, etc
   - Fix include lists; alphabetise, remove unused, explicitly add used

  Bug Fixes:
   - Use PLATFORM_DEVID_AUTO to ensure multiple duplicate devices can
     co-exist
   - Ensure debugfs register view is correctly presented
   - Fix ordering and value issues in current use of
     clk_register_fractional_divider()
   - Repair Kconfig based dependency lists"

* tag 'mfd-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits)
  mfd: ti_am335x_tscadc: Fix TI SoC dependencies
  dt-bindings: mfd: sprd: Add support for UMS9620
  mfd: ab8500-sysctrl: Drop ancient charger
  mfd: intel-lpss: Fix the fractional clock divider flags
  mfd: tps6594: Add null pointer check to tps6594_device_init()
  dt-bindings: mfd: pm8008: Clean up example node names
  dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Clean up example
  dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Fix regulator binding
  dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Fix up binding reference
  mfd: da9062: Simplify obtaining I2C match data
  mfd: syscon: Fix null pointer dereference in of_syscon_register()
  mfd: intel-lpss: Don't fail probe on success of pci_alloc_irq_vectors()
  mfd: twl6030-irq: Revert to use of_match_device()
  mfd: cs42l43: Correct order of include files to be alphabetical
  mfd: cs42l43: Correct SoundWire port list
  mfd: Fix a few spelling mistakes in PMIC header file comments
  mfd: intel-lpss: Provide Intel LPSS PM ops structure
  mfd: intel-lpss: Move exported symbols to INTEL_LPSS namespace
  mfd: intel-lpss: Adjust header inclusions
  mfd: intel-lpss: Use device_get_match_data()
  ...
2024-01-17 15:21:21 -08:00
Linus Torvalds
a2ec2071ca hwspinlock updates to v6.8
Correct kernel-doc through the hwspinlock core, to address build
 warnings (and improve the documentation).
 
 Drop unused compatible in the Qualcomm TCSR mutex driver.
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Merge tag 'hwlock-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:

 - Correct kernel-doc through the hwspinlock core, to address build
   warnings (and improve the documentation)

 - Drop unused compatible in the Qualcomm TCSR mutex driver

* tag 'hwlock-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock/core: fix kernel-doc warnings
  hwspinlock: qcom: Remove IPQ6018 SOC specific compatible
2024-01-17 15:12:26 -08:00
Linus Torvalds
e88481f74f remoteproc updates for v6.8
The i.MX DSP remoteproc driver adds support for providing a resource
 table, in order to enable IPC with the core.
 
 The TI K3 DSP driver is transitioned to remove_new, error messages are
 changed to use symbolic error codes, and dev_err_probe() is used where
 applicable.
 
 Support for the Qualcomm SC7280 audio, compute and WiFi co-processors
 are added to the Qualcomm TrustZone based remoteproc driver.
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Merge tag 'rproc-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - The i.MX DSP remoteproc driver adds support for providing a resource
   table, in order to enable IPC with the core

 - The TI K3 DSP driver is transitioned to remove_new, error messages
   are changed to use symbolic error codes, and dev_err_probe() is used
   where applicable

 - Support for the Qualcomm SC7280 audio, compute and WiFi co-processors
   are added to the Qualcomm TrustZone based remoteproc driver

* tag 'rproc-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  remoteproc: qcom_q6v5_pas: Add SC7280 ADSP, CDSP & WPSS
  dt-bindings: remoteproc: qcom: sc7180-pas: Add SC7280 compatibles
  dt-bindings: remoteproc: qcom: sc7180-pas: Fix SC7280 MPSS PD-names
  remoteproc: k3-dsp: Convert to platform remove callback returning void
  remoteproc: k3-dsp: Use symbolic error codes in error messages
  remoteproc: k3-dsp: Suppress duplicate error message in .remove()
  arm64: dts: imx8mp: Add reserve-memory nodes for DSP
  remoteproc: imx_dsp_rproc: Add mandatory find_loaded_rsc_table op
2024-01-17 15:09:12 -08:00
Linus Torvalds
2a43434675 rpmsg updates for v6.8
This make virtio free driver_override upon removal. It also updates the
 rpmsg documentation after earlier API updates.
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Merge tag 'rpmsg-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull rpmsg updates from Bjorn Andersson:
 "This make virtio free driver_override upon removal. It also updates
  the rpmsg documentation after earlier API updates"

* tag 'rpmsg-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: virtio: Free driver_override when rpmsg_remove()
  doc: rmpsg: Update with rpmsg_endpoint
2024-01-17 15:05:27 -08:00
Linus Torvalds
8893a6bfff drm fixes for 6.8-rc1
i915:
 - Fixes for kernel-doc warnings enforced in linux-next
 - Another build warning fix for string formatting of intel_wakeref_t
 - Display fixes for DP DSC BPC and C20 PLL state verification
 
 v3d:
 - register readout fix
 
 rockchip:
 - two build warning fixes
 
 nouveau:
 - fix GSP loading on Turing with different nvdec configuration
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Merge tag 'drm-next-2024-01-15-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "This is just a wrap up of fixes from the last few days. It has the
  proper fix to the i915/xe collision, we can clean up what you did
  later once rc1 lands.

  Otherwise it's a few other i915, a v3d, rockchip and a nouveau fix to
  make GSP load on some original Turing GPUs.

  i915:
   - Fixes for kernel-doc warnings enforced in linux-next
   - Another build warning fix for string formatting of intel_wakeref_t
   - Display fixes for DP DSC BPC and C20 PLL state verification

  v3d:
   - register readout fix

  rockchip:
   - two build warning fixes

  nouveau:
   - fix GSP loading on Turing with different nvdec configuration"

* tag 'drm-next-2024-01-15-1' of git://anongit.freedesktop.org/drm/drm:
  nouveau/gsp: handle engines in runl without nonstall interrupts.
  drm/i915/perf: reconcile Excess struct member kernel-doc warnings
  drm/i915/guc: reconcile Excess struct member kernel-doc warnings
  drm/i915/gt: reconcile Excess struct member kernel-doc warnings
  drm/i915/gem: reconcile Excess struct member kernel-doc warnings
  drm/i915/dp: Fix the max DSC bpc supported by source
  drm/i915: don't make assumptions about intel_wakeref_t type
  drm/i915/dp: Fix the PSR debugfs entries wrt. MST connectors
  drm/i915/display: Fix C20 pll selection for state verification
  drm/v3d: Fix support for register debugging on the RPi 4
  drm/rockchip: vop2: Drop unused if_dclk_rate variable
  drm/rockchip: vop2: Drop superfluous include
2024-01-17 14:59:05 -08:00
Linus Torvalds
d8e6ba025f More thermal control updates for 6.8-rc1
- Add debugfs-based diagnostics support to the thermal core (Daniel
     Lezcano, Dan Carpenter).
 
   - Fix a power allocator thermal governor issue preventing it from
     resetting cooling devices sometimes (Di Shen).
 
   - Simplify the thermal netlink API and clean up related code (Rafael J.
     Wysocki).
 
   - Make the Intel HFI driver support hibernation and deep suspend
     properly (Ricardo Neri).
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Merge tag 'thermal-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more thermal control updates from Rafael Wysocki:
 "These add support for debugfs-based diagnostics to the thermal core,
  simplify the thermal netlink API, fix system-wide PM support in the
  Intel HFI driver and clean up some code.

  Specifics:

   - Add debugfs-based diagnostics support to the thermal core (Daniel
     Lezcano, Dan Carpenter)

   - Fix a power allocator thermal governor issue preventing it from
     resetting cooling devices sometimes (Di Shen)

   - Simplify the thermal netlink API and clean up related code (Rafael
     J. Wysocki)

   - Make the Intel HFI driver support hibernation and deep suspend
     properly (Ricardo Neri)"

* tag 'thermal-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal/debugfs: Unlock on error path in thermal_debug_tz_trip_up()
  thermal: intel: hfi: Add syscore callbacks for system-wide PM
  thermal: gov_power_allocator: avoid inability to reset a cdev
  thermal: helpers: Rearrange thermal_cdev_set_cur_state()
  thermal: netlink: Rework notify API for cooling devices
  thermal: core: Use kstrdup_const() during cooling device registration
  thermal/debugfs: Add thermal debugfs information for mitigation episodes
  thermal/debugfs: Add thermal cooling device debugfs information
  thermal: netlink: Pass thermal zone pointer to notify routines
  thermal: netlink: Drop thermal_notify_tz_trip_add/delete()
  thermal: netlink: Pass pointers to thermal_notify_tz_trip_up/down()
  thermal: netlink: Pass pointers to thermal_notify_tz_trip_change()
2024-01-17 14:47:33 -08:00
Linus Torvalds
7f369a8f5b More ACPI updates for 6.8-rc1
- Make pnp_bus_type const (Greg Kroah-Hartman).
 
  - Add ACPI IRQ management quirks for ASUS ExpertBook B1502CGA and ASUS
    Vivobook E1504GA and E1504GAB (Ben Mayo, Michael Maltsev).
 
  - Add new MADT GICC/GICR/ITS non-coherent flags and GICC online capable
    bit handling to ACPICA (Lorenzo Pieralisi).
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Merge tag 'acpi-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "These add support for new MADT flags to ACPICA, constify the PNP bus
  type structure and add new ACPI IRQ management quirks.

  Specifics:

   - Make pnp_bus_type const (Greg Kroah-Hartman)

   - Add ACPI IRQ management quirks for ASUS ExpertBook B1502CGA and
     ASUS Vivobook E1504GA and E1504GAB (Ben Mayo, Michael Maltsev)

   - Add new MADT GICC/GICR/ITS non-coherent flags and GICC online
     capable bit handling to ACPICA (Lorenzo Pieralisi)"

* tag 'acpi-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: MADT: Add new MADT GICC/GICR/ITS non-coherent flags handling
  ACPICA: MADT: Add GICC online capable bit handling
  ACPI: resource: Skip IRQ override on ASUS ExpertBook B1502CGA
  ACPI: resource: Add DMI quirks for ASUS Vivobook E1504GA and E1504GAB
  PNP: make pnp_bus_type const
2024-01-17 14:37:40 -08:00
Linus Torvalds
7b5bcf9b84 More power management updates for 6.8-rc1
- Restore the system-wide asynchronous device resume optimization
    removed by a recent concurrency fix (Rafael J. Wysocki).
 
  - Make the intel_pstate cpufreq driver allow Meteor Lake systems to run
    at somewhat higher frequencies (Srinivas Pandruvada).
 
  - Make the PM QoS core code use kcalloc() for array allocation (Erick
    Archer).
 
  - Fix two PM-related typos in admin-guide (Erwan Velu).
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Merge tag 'pm-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These restore the asynchronous device resume optimization removed by
  the previous PM merge, make the intel_pstate driver work better on
  Meteor Lake systems, optimize the PM QoS core code slightly and fix up
  typos in admin-guide.

  Specifics:

   - Restore the system-wide asynchronous device resume optimization
     removed by a recent concurrency fix (Rafael J. Wysocki)

   - Make the intel_pstate cpufreq driver allow Meteor Lake systems to
     run at somewhat higher frequencies (Srinivas Pandruvada)

   - Make the PM QoS core code use kcalloc() for array allocation (Erick
     Archer)

   - Fix two PM-related typos in admin-guide (Erwan Velu)"

* tag 'pm-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: sleep: Restore asynchronous device resume optimization
  Documentation: admin-guide: PM: Fix two typos
  cpufreq: intel_pstate: Update hybrid scaling factor for Meteor Lake
  PM: QoS: Use kcalloc() instead of kzalloc()
2024-01-17 14:07:14 -08:00
Linus Torvalds
82fd5ee9d8 xen: branch for v6.8-rc1
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Merge tag 'for-linus-6.8-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - update some Xen PV interface related headers

 - fix some kernel-doc comments in the xenbus driver

 - fix the Xen gntdev driver to not access the struct page of pages
   imported from a DMA-buf

* tag 'for-linus-6.8-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/gntdev: Fix the abuse of underlying struct page in DMA-buf import
  xen/xenbus: client: fix kernel-doc comments
  xen: update PV-device interface headers
2024-01-17 13:41:38 -08:00
Linus Torvalds
09d1c6a80f Generic:
- Use memdup_array_user() to harden against overflow.
 
 - Unconditionally advertise KVM_CAP_DEVICE_CTRL for all architectures.
 
 - Clean up Kconfigs that all KVM architectures were selecting
 
 - New functionality around "guest_memfd", a new userspace API that
   creates an anonymous file and returns a file descriptor that refers
   to it.  guest_memfd files are bound to their owning virtual machine,
   cannot be mapped, read, or written by userspace, and cannot be resized.
   guest_memfd files do however support PUNCH_HOLE, which can be used to
   switch a memory area between guest_memfd and regular anonymous memory.
 
 - New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify
   per-page attributes for a given page of guest memory; right now the
   only attribute is whether the guest expects to access memory via
   guest_memfd or not, which in Confidential SVMs backed by SEV-SNP,
   TDX or ARM64 pKVM is checked by firmware or hypervisor that guarantees
   confidentiality (AMD PSP, Intel TDX module, or EL2 in the case of pKVM).
 
 x86:
 
 - Support for "software-protected VMs" that can use the new guest_memfd
   and page attributes infrastructure.  This is mostly useful for testing,
   since there is no pKVM-like infrastructure to provide a meaningfully
   reduced TCB.
 
 - Fix a relatively benign off-by-one error when splitting huge pages during
   CLEAR_DIRTY_LOG.
 
 - Fix a bug where KVM could incorrectly test-and-clear dirty bits in non-leaf
   TDP MMU SPTEs if a racing thread replaces a huge SPTE with a non-huge SPTE.
 
 - Use more generic lockdep assertions in paths that don't actually care
   about whether the caller is a reader or a writer.
 
 - let Xen guests opt out of having PV clock reported as "based on a stable TSC",
   because some of them don't expect the "TSC stable" bit (added to the pvclock
   ABI by KVM, but never set by Xen) to be set.
 
 - Revert a bogus, made-up nested SVM consistency check for TLB_CONTROL.
 
 - Advertise flush-by-ASID support for nSVM unconditionally, as KVM always
   flushes on nested transitions, i.e. always satisfies flush requests.  This
   allows running bleeding edge versions of VMware Workstation on top of KVM.
 
 - Sanity check that the CPU supports flush-by-ASID when enabling SEV support.
 
 - On AMD machines with vNMI, always rely on hardware instead of intercepting
   IRET in some cases to detect unmasking of NMIs
 
 - Support for virtualizing Linear Address Masking (LAM)
 
 - Fix a variety of vPMU bugs where KVM fail to stop/reset counters and other state
   prior to refreshing the vPMU model.
 
 - Fix a double-overflow PMU bug by tracking emulated counter events using a
   dedicated field instead of snapshotting the "previous" counter.  If the
   hardware PMC count triggers overflow that is recognized in the same VM-Exit
   that KVM manually bumps an event count, KVM would pend PMIs for both the
   hardware-triggered overflow and for KVM-triggered overflow.
 
 - Turn off KVM_WERROR by default for all configs so that it's not
   inadvertantly enabled by non-KVM developers, which can be problematic for
   subsystems that require no regressions for W=1 builds.
 
 - Advertise all of the host-supported CPUID bits that enumerate IA32_SPEC_CTRL
   "features".
 
 - Don't force a masterclock update when a vCPU synchronizes to the current TSC
   generation, as updating the masterclock can cause kvmclock's time to "jump"
   unexpectedly, e.g. when userspace hotplugs a pre-created vCPU.
 
 - Use RIP-relative address to read kvm_rebooting in the VM-Enter fault paths,
   partly as a super minor optimization, but mostly to make KVM play nice with
   position independent executable builds.
 
 - Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on
   CONFIG_HYPERV as a minor optimization, and to self-document the code.
 
 - Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV "emulation"
   at build time.
 
 ARM64:
 
 - LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB
   base granule sizes. Branch shared with the arm64 tree.
 
 - Large Fine-Grained Trap rework, bringing some sanity to the
   feature, although there is more to come. This comes with
   a prefix branch shared with the arm64 tree.
 
 - Some additional Nested Virtualization groundwork, mostly
   introducing the NV2 VNCR support and retargetting the NV
   support to that version of the architecture.
 
 - A small set of vgic fixes and associated cleanups.
 
 Loongarch:
 
 - Optimization for memslot hugepage checking
 
 - Cleanup and fix some HW/SW timer issues
 
 - Add LSX/LASX (128bit/256bit SIMD) support
 
 RISC-V:
 
 - KVM_GET_REG_LIST improvement for vector registers
 
 - Generate ISA extension reg_list using macros in get-reg-list selftest
 
 - Support for reporting steal time along with selftest
 
 s390:
 
 - Bugfixes
 
 Selftests:
 
 - Fix an annoying goof where the NX hugepage test prints out garbage
   instead of the magic token needed to run the test.
 
 - Fix build errors when a header is delete/moved due to a missing flag
   in the Makefile.
 
 - Detect if KVM bugged/killed a selftest's VM and print out a helpful
   message instead of complaining that a random ioctl() failed.
 
 - Annotate the guest printf/assert helpers with __printf(), and fix the
   various bugs that were lurking due to lack of said annotation.
 
 There are two non-KVM patches buried in the middle of guest_memfd support:
 
   fs: Rename anon_inode_getfile_secure() and anon_inode_getfd_secure()
   mm: Add AS_UNMOVABLE to mark mapping as completely unmovable
 
 The first is small and mostly suggested-by Christian Brauner; the second
 a bit less so but it was written by an mm person (Vlastimil Babka).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "Generic:

   - Use memdup_array_user() to harden against overflow.

   - Unconditionally advertise KVM_CAP_DEVICE_CTRL for all
     architectures.

   - Clean up Kconfigs that all KVM architectures were selecting

   - New functionality around "guest_memfd", a new userspace API that
     creates an anonymous file and returns a file descriptor that refers
     to it. guest_memfd files are bound to their owning virtual machine,
     cannot be mapped, read, or written by userspace, and cannot be
     resized. guest_memfd files do however support PUNCH_HOLE, which can
     be used to switch a memory area between guest_memfd and regular
     anonymous memory.

   - New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify
     per-page attributes for a given page of guest memory; right now the
     only attribute is whether the guest expects to access memory via
     guest_memfd or not, which in Confidential SVMs backed by SEV-SNP,
     TDX or ARM64 pKVM is checked by firmware or hypervisor that
     guarantees confidentiality (AMD PSP, Intel TDX module, or EL2 in
     the case of pKVM).

  x86:

   - Support for "software-protected VMs" that can use the new
     guest_memfd and page attributes infrastructure. This is mostly
     useful for testing, since there is no pKVM-like infrastructure to
     provide a meaningfully reduced TCB.

   - Fix a relatively benign off-by-one error when splitting huge pages
     during CLEAR_DIRTY_LOG.

   - Fix a bug where KVM could incorrectly test-and-clear dirty bits in
     non-leaf TDP MMU SPTEs if a racing thread replaces a huge SPTE with
     a non-huge SPTE.

   - Use more generic lockdep assertions in paths that don't actually
     care about whether the caller is a reader or a writer.

   - let Xen guests opt out of having PV clock reported as "based on a
     stable TSC", because some of them don't expect the "TSC stable" bit
     (added to the pvclock ABI by KVM, but never set by Xen) to be set.

   - Revert a bogus, made-up nested SVM consistency check for
     TLB_CONTROL.

   - Advertise flush-by-ASID support for nSVM unconditionally, as KVM
     always flushes on nested transitions, i.e. always satisfies flush
     requests. This allows running bleeding edge versions of VMware
     Workstation on top of KVM.

   - Sanity check that the CPU supports flush-by-ASID when enabling SEV
     support.

   - On AMD machines with vNMI, always rely on hardware instead of
     intercepting IRET in some cases to detect unmasking of NMIs

   - Support for virtualizing Linear Address Masking (LAM)

   - Fix a variety of vPMU bugs where KVM fail to stop/reset counters
     and other state prior to refreshing the vPMU model.

   - Fix a double-overflow PMU bug by tracking emulated counter events
     using a dedicated field instead of snapshotting the "previous"
     counter. If the hardware PMC count triggers overflow that is
     recognized in the same VM-Exit that KVM manually bumps an event
     count, KVM would pend PMIs for both the hardware-triggered overflow
     and for KVM-triggered overflow.

   - Turn off KVM_WERROR by default for all configs so that it's not
     inadvertantly enabled by non-KVM developers, which can be
     problematic for subsystems that require no regressions for W=1
     builds.

   - Advertise all of the host-supported CPUID bits that enumerate
     IA32_SPEC_CTRL "features".

   - Don't force a masterclock update when a vCPU synchronizes to the
     current TSC generation, as updating the masterclock can cause
     kvmclock's time to "jump" unexpectedly, e.g. when userspace
     hotplugs a pre-created vCPU.

   - Use RIP-relative address to read kvm_rebooting in the VM-Enter
     fault paths, partly as a super minor optimization, but mostly to
     make KVM play nice with position independent executable builds.

   - Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on
     CONFIG_HYPERV as a minor optimization, and to self-document the
     code.

   - Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV
     "emulation" at build time.

  ARM64:

   - LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB base
     granule sizes. Branch shared with the arm64 tree.

   - Large Fine-Grained Trap rework, bringing some sanity to the
     feature, although there is more to come. This comes with a prefix
     branch shared with the arm64 tree.

   - Some additional Nested Virtualization groundwork, mostly
     introducing the NV2 VNCR support and retargetting the NV support to
     that version of the architecture.

   - A small set of vgic fixes and associated cleanups.

  Loongarch:

   - Optimization for memslot hugepage checking

   - Cleanup and fix some HW/SW timer issues

   - Add LSX/LASX (128bit/256bit SIMD) support

  RISC-V:

   - KVM_GET_REG_LIST improvement for vector registers

   - Generate ISA extension reg_list using macros in get-reg-list
     selftest

   - Support for reporting steal time along with selftest

  s390:

   - Bugfixes

  Selftests:

   - Fix an annoying goof where the NX hugepage test prints out garbage
     instead of the magic token needed to run the test.

   - Fix build errors when a header is delete/moved due to a missing
     flag in the Makefile.

   - Detect if KVM bugged/killed a selftest's VM and print out a helpful
     message instead of complaining that a random ioctl() failed.

   - Annotate the guest printf/assert helpers with __printf(), and fix
     the various bugs that were lurking due to lack of said annotation"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (185 commits)
  x86/kvm: Do not try to disable kvmclock if it was not enabled
  KVM: x86: add missing "depends on KVM"
  KVM: fix direction of dependency on MMU notifiers
  KVM: introduce CONFIG_KVM_COMMON
  KVM: arm64: Add missing memory barriers when switching to pKVM's hyp pgd
  KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache
  RISC-V: KVM: selftests: Add get-reg-list test for STA registers
  RISC-V: KVM: selftests: Add steal_time test support
  RISC-V: KVM: selftests: Add guest_sbi_probe_extension
  RISC-V: KVM: selftests: Move sbi_ecall to processor.c
  RISC-V: KVM: Implement SBI STA extension
  RISC-V: KVM: Add support for SBI STA registers
  RISC-V: KVM: Add support for SBI extension registers
  RISC-V: KVM: Add SBI STA info to vcpu_arch
  RISC-V: KVM: Add steal-update vcpu request
  RISC-V: KVM: Add SBI STA extension skeleton
  RISC-V: paravirt: Implement steal-time support
  RISC-V: Add SBI STA extension definitions
  RISC-V: paravirt: Add skeleton for pv-time support
  RISC-V: KVM: Fix indentation in kvm_riscv_vcpu_set_reg_csr()
  ...
2024-01-17 13:03:37 -08:00
Linus Torvalds
1b1934dbbd A handful of late-arriving documentation fixes.
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Merge tag 'docs-6.8-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of late-arriving documentation fixes"

* tag 'docs-6.8-2' of git://git.lwn.net/linux:
  docs, kprobes: Add loongarch as supported architecture
  docs, kprobes: Update email address of Masami Hiramatsu
  docs: admin-guide: hw_random: update rng-tools website
  Documentation/core-api: fix spelling mistake in workqueue
  docs: kernel_feat.py: fix potential command injection
  Documentation: constrain alabaster package to older versions
2024-01-17 11:49:11 -08:00
Linus Torvalds
bce3b5d676 parisc architecture fixes for kernel v6.8-rc1:
- Fix PDC address calculation with narrow firmware (64-bit kernel
   on 32-bit firmware)
 - Fix kthread which checks power button get started on qemu too
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Merge tag 'parisc-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:
 "Two small fixes for the parisc architecture:

   - Fix PDC address calculation with narrow firmware (64-bit kernel on
     32-bit firmware)

   - Fix kthread which checks power button get started on qemu too"

* tag 'parisc-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc/power: Fix power soft-off button emulation on qemu
  parisc/firmware: Fix F-extend for PDC addresses
2024-01-17 11:45:01 -08:00
Linus Torvalds
47ce834fbb Xtensa updates for v6.8
- small cleanups in the xtensa PCI and asmmacro code
 - fix kernel build with FDPIC toolchain
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Merge tag 'xtensa-20240117' of https://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - small cleanups in the xtensa PCI and asmmacro code

 - fix kernel build with FDPIC toolchain

* tag 'xtensa-20240117' of https://github.com/jcmvbkbc/linux-xtensa:
  xtensa: don't produce FDPIC output with fdpic toolchain
  xtensa: Use PCI_HEADER_TYPE_MFD instead of literal
  xtensa: replace <asm-generic/export.h> with <linux/export.h>
  xtensa: fix variants path in the Kconfig help
2024-01-17 11:40:52 -08:00
Linus Torvalds
c4c6044d35 ARM updates for v6.8-rc1
Development updates for v6.8-rc1
 - add missing neon instructions for the neon support hook
 - arrange for davinci to select PINCTRL
 - try VMA lock-base page fault handling first
 - use memblock_alloc_try_nid_raw() for kasan shadow page
 - dma: use kvzalloc() rather than kzalloc()/vzalloc()
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - add missing neon instructions for the neon support hook

 - arrange for davinci to select PINCTRL

 - try VMA lock-base page fault handling first

 - use memblock_alloc_try_nid_raw() for kasan shadow page

 - dma: use kvzalloc() rather than kzalloc()/vzalloc()

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9331/1: ARM/dma-mapping: replace kzalloc() and vzalloc() with kvzalloc()
  ARM: 9329/1: kasan: Use memblock_alloc_try_nid_raw for shadow page
  ARM: 9328/1: mm: try VMA lock-based page fault handling first
  ARM: 9330/1: davinci: also select PINCTRL
  ARM: 9327/1: vfp: Add missing VFP instructions to neon_support_hook
2024-01-17 11:34:45 -08:00
Linus Torvalds
284a4ddeed Microblaze patches for 6.8-rc1
- Enable NFS, Marvell phy
 - Sync defconfig with the latest Kconfig layout
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Merge tag 'microblaze-v6.8' of git://git.monstr.eu/linux-2.6-microblaze

Pull microblaze updates from Michal Simek:
 "Just defconfig updates:

   - enable NFS, Marvell phy

   - sync defconfig with the latest Kconfig layout"

* tag 'microblaze-v6.8' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: defconfig: Enable the Marvell phy driver
  microblaze: Enable options to mount a rootfs via NFS
  microblaze: Align defconfig with latest Kconfig layout
2024-01-17 11:27:23 -08:00
Linus Torvalds
096f286ee3 Just cleanups and fixes
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Merge tag 'mips_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Just cleanups and fixes"

* tag 'mips_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Alchemy: Fix an out-of-bound access in db1550_dev_setup()
  MIPS: Alchemy: Fix an out-of-bound access in db1200_dev_setup()
  MIPS: Fix typos
  MIPS: Remove unused shadow GPR support from vector irq setup
  MIPS: Allow vectored interrupt handler to reside everywhere for 64bit
  mips: Set dump-stack arch description
  mips: mm: add slab availability checking in ioremap_prot
  mips: Optimize max_mapnr init procedure
  mips: Fix max_mapnr being uninitialized on early stages
  mips: Fix incorrect max_low_pfn adjustment
  mips: dmi: Fix early remap on MIPS32
  MIPS: compressed: Use correct instruction for 64 bit code
  MIPS: SGI-IP27: hubio: fix nasid kernel-doc warning
  MAINTAINERS: Add myself as maintainer of the Ralink architecture
2024-01-17 11:20:50 -08:00
Linus Torvalds
4331f07026 RISC-V Patches for the 6.8 Merge Window, Part 1
* Support for many new extensions in hwprobe, along with a handful of
   cleanups.
 * Various cleanups to our page table handling code, so we alwayse use
   {READ,WRITE}_ONCE.
 * Support for the which-cpus flavor of hwprobe.
 * Support for XIP kernels has been resurrected.
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Merge tag 'riscv-for-linus-6.8-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Support for many new extensions in hwprobe, along with a handful of
   cleanups

 - Various cleanups to our page table handling code, so we alwayse use
   {READ,WRITE}_ONCE

 - Support for the which-cpus flavor of hwprobe

 - Support for XIP kernels has been resurrected

* tag 'riscv-for-linus-6.8-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (52 commits)
  riscv: hwprobe: export Zicond extension
  riscv: hwprobe: export Zacas ISA extension
  riscv: add ISA extension parsing for Zacas
  dt-bindings: riscv: add Zacas ISA extension description
  riscv: hwprobe: export Ztso ISA extension
  riscv: add ISA extension parsing for Ztso
  use linux/export.h rather than asm-generic/export.h
  riscv: Remove SHADOW_OVERFLOW_STACK_SIZE macro
  riscv; fix __user annotation in save_v_state()
  riscv: fix __user annotation in traps_misaligned.c
  riscv: Select ARCH_WANTS_NO_INSTR
  riscv: Remove obsolete rv32_defconfig file
  riscv: Allow disabling of BUILTIN_DTB for XIP
  riscv: Fixed wrong register in XIP_FIXUP_FLASH_OFFSET macro
  riscv: Make XIP bootable again
  riscv: Fix set_direct_map_default_noflush() to reset _PAGE_EXEC
  riscv: Fix module_alloc() that did not reset the linear mapping permissions
  riscv: Fix wrong usage of lm_alias() when splitting a huge linear mapping
  riscv: Check if the code to patch lies in the exit section
  riscv: Use the same CPU operations for all CPUs
  ...
2024-01-17 10:50:46 -08:00