Commit Graph

1212519 Commits

Author SHA1 Message Date
Linus Torvalds
307d59039f media updates for v6.6-rc1
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Merge tag 'media/v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new i2c drivers: ds90ub913, ds90ub953, ds90ub960, dw9719, ds90ub913

 - new Intel IVSC MEI drivers

 - some Mediatek platform drivers were moved to a common location

 - Intel atomisp2 driver is now working with the main ov2680 driver. Due
   to that, the atomisp2 ov2680 staging one was removed

 - the bttv driver was finally converted to videobuf2 framework. This
   was the last one upstream using videobuf version 1 core. We'll likely
   remove the old videobuf framework on 6.7

 - lots of improvements at atomisp driver: it now works with normal I2C
   sensors. Several compile-mode dependecies to select between ISP2400
   and ISP2401 are now solved in runtime

 - a new ipu-bridge logic was added to work with IVSC MEI drivers

 - venus driver gained better support for new VPU versions

 - the v4l core async framework has gained lots of improvements and
   cleanups

 - lots of other cleanups, improvements and driver fixes

* tag 'media/v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (358 commits)
  media: ivsc: Add ACPI dependency
  media: bttv: convert to vb2
  media: bttv: use audio defaults for winfast2000
  media: bttv: refactor bttv_set_dma()
  media: bttv: move vbi_skip/vbi_count out of buffer
  media: bttv: remove crop info from bttv_buffer
  media: bttv: remove tvnorm field from bttv_buffer
  media: bttv: remove format field from bttv_buffer
  media: bttv: move do_crop flag out of bttv_fh
  media: bttv: copy vbi_fmt from bttv_fh
  media: bttv: copy vid fmt/width/height from fh
  media: bttv: radio use v4l2_fh instead of bttv_fh
  media: bttv: replace BUG with WARN_ON
  media: bttv: use video_drvdata to get bttv
  media: i2c: rdacm21: Fix uninitialized value
  media: coda: Remove duplicated include
  media: vivid: fix the racy dev->radio_tx_rds_owner
  media: i2c: ccs: Check rules is non-NULL
  media: i2c: ds90ub960: Fix PLL config for 1200 MHz CSI rate
  media: i2c: ds90ub953: Fix use of uninitialized variables
  ...
2023-09-01 12:21:32 -07:00
Linus Torvalds
b84acc11b1 fbdev fixes and cleanups for 6.6-rc1:
- Drop the mx3fb driver
 - Use list_for_each_entry() helper in fbcore code
 - Shorten neofb product names for fb-fix id field
 - reduce memory usage in ssd1307fb
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Merge tag 'fbdev-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev updates from Helge Deller:

 - Drop the mx3fb driver

 - Use list_for_each_entry() helper in fbcore code

 - Shorten neofb product names for fb-fix id field

 - reduce memory usage in ssd1307fb

* tag 'fbdev-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: Update fbdev source file paths
  fbdev: ssd1307fb: Use bool for ssd1307fb_deviceinfo flags
  fbdev: neofb: Shorten Neomagic product name in info struct
  fbdev: mx3fb: Remove the driver
  fbdev/core: Use list_for_each_entry() helper
2023-09-01 10:04:14 -07:00
Linus Torvalds
1c9f8dff62 Char/Misc driver changes for 6.6-rc1
Here is the big set of char/misc and other small driver subsystem
 changes for 6.6-rc1.
 
 Stuff all over the place here, lots of driver updates and changes and
 new additions.  Short summary is:
   - new IIO drivers and updates
   - Interconnect driver updates
   - fpga driver updates and additions
   - fsi driver updates
   - mei driver updates
   - coresight driver updates
   - nvmem driver updates
   - counter driver updates
   - lots of smaller misc and char driver updates and additions
 
 All of these have been in linux-next for a long time with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.6-rc1.

  Stuff all over the place here, lots of driver updates and changes and
  new additions. Short summary is:

   - new IIO drivers and updates

   - Interconnect driver updates

   - fpga driver updates and additions

   - fsi driver updates

   - mei driver updates

   - coresight driver updates

   - nvmem driver updates

   - counter driver updates

   - lots of smaller misc and char driver updates and additions

  All of these have been in linux-next for a long time with no reported
  problems"

* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
  nvmem: core: Notify when a new layout is registered
  nvmem: core: Do not open-code existing functions
  nvmem: core: Return NULL when no nvmem layout is found
  nvmem: core: Create all cells before adding the nvmem device
  nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
  dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
  dt-bindings: nvmem: Add compatible for QCM2290
  nvmem: Kconfig: Fix typo "drive" -> "driver"
  nvmem: Explicitly include correct DT includes
  nvmem: add new NXP QorIQ eFuse driver
  dt-bindings: nvmem: Add t1023-sfp efuse support
  dt-bindings: nvmem: qfprom: Add compatible for MSM8226
  nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
  nvmem: qfprom: do some cleanup
  nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
  nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
  nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
  nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
  nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
  ...
2023-09-01 09:53:54 -07:00
Linus Torvalds
28a4f91f5f Driver core changes for 6.6-rc1
Here is a small set of driver core updates and additions for 6.6-rc1.
 
 Included in here are:
   - stable kernel documentation updates
   - class structure const work from Ivan on various subsystems
   - kernfs tweaks
   - driver core tests!
   - kobject sanity cleanups
   - kobject structure reordering to save space
   - driver core error code handling fixups
   - other minor driver core cleanups
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is a small set of driver core updates and additions for 6.6-rc1.

  Included in here are:

   - stable kernel documentation updates

   - class structure const work from Ivan on various subsystems

   - kernfs tweaks

   - driver core tests!

   - kobject sanity cleanups

   - kobject structure reordering to save space

   - driver core error code handling fixups

   - other minor driver core cleanups

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

* tag 'driver-core-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits)
  driver core: Call in reversed order in device_platform_notify_remove()
  driver core: Return proper error code when dev_set_name() fails
  kobject: Remove redundant checks for whether ktype is NULL
  kobject: Add sanity check for kset->kobj.ktype in kset_register()
  drivers: base: test: Add missing MODULE_* macros to root device tests
  drivers: base: test: Add missing MODULE_* macros for platform devices tests
  drivers: base: Free devm resources when unregistering a device
  drivers: base: Add basic devm tests for platform devices
  drivers: base: Add basic devm tests for root devices
  kernfs: fix missing kernfs_iattr_rwsem locking
  docs: stable-kernel-rules: mention that regressions must be prevented
  docs: stable-kernel-rules: fine-tune various details
  docs: stable-kernel-rules: make the examples for option 1 a proper list
  docs: stable-kernel-rules: move text around to improve flow
  docs: stable-kernel-rules: improve structure by changing headlines
  base/node: Remove duplicated include
  kernfs: attach uuid for every kernfs and report it in fsid
  kernfs: add stub helper for kernfs_generic_poll()
  x86/resctrl: make pseudo_lock_class a static const structure
  x86/MSR: make msr_class a static const structure
  ...
2023-09-01 09:43:18 -07:00
Linus Torvalds
8e1e49550d TTY/Serial driver changes for 6.6-rc1
Here is the big set of tty and serial driver changes for 6.6-rc1.
 
 Lots of cleanups in here this cycle, and some driver updates.  Short
 summary is:
   - Jiri's continued work to make the tty code and apis be a bit more
     sane with regards to modern kernel coding style and types
   - cpm_uart driver updates
   - n_gsm updates and fixes
   - meson driver updates
   - sc16is7xx driver updates
   - 8250 driver updates for different hardware types
   - qcom-geni driver fixes
   - tegra serial driver change
   - stm32 driver updates
   - synclink_gt driver cleanups
   - tty structure size reduction
 
 All of these have been in linux-next this week with no reported issues.
 The last bit of cleanups from Jiri and the tty structure size reduction
 came in last week, a bit late but as they were just style changes and
 size reductions, I figured they should get into this merge cycle so that
 others can work on top of them with no merge conflicts.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big set of tty and serial driver changes for 6.6-rc1.

  Lots of cleanups in here this cycle, and some driver updates. Short
  summary is:

   - Jiri's continued work to make the tty code and apis be a bit more
     sane with regards to modern kernel coding style and types

   - cpm_uart driver updates

   - n_gsm updates and fixes

   - meson driver updates

   - sc16is7xx driver updates

   - 8250 driver updates for different hardware types

   - qcom-geni driver fixes

   - tegra serial driver change

   - stm32 driver updates

   - synclink_gt driver cleanups

   - tty structure size reduction

  All of these have been in linux-next this week with no reported
  issues. The last bit of cleanups from Jiri and the tty structure size
  reduction came in last week, a bit late but as they were just style
  changes and size reductions, I figured they should get into this merge
  cycle so that others can work on top of them with no merge conflicts"

* tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
  tty: shrink the size of struct tty_struct by 40 bytes
  tty: n_tty: deduplicate copy code in n_tty_receive_buf_real_raw()
  tty: n_tty: extract ECHO_OP processing to a separate function
  tty: n_tty: unify counts to size_t
  tty: n_tty: use u8 for chars and flags
  tty: n_tty: simplify chars_in_buffer()
  tty: n_tty: remove unsigned char casts from character constants
  tty: n_tty: move newline handling to a separate function
  tty: n_tty: move canon handling to a separate function
  tty: n_tty: use MASK() for masking out size bits
  tty: n_tty: make n_tty_data::num_overrun unsigned
  tty: n_tty: use time_is_before_jiffies() in n_tty_receive_overrun()
  tty: n_tty: use 'num' for writes' counts
  tty: n_tty: use output character directly
  tty: n_tty: make flow of n_tty_receive_buf_common() a bool
  Revert "tty: serial: meson: Add a earlycon for the T7 SoC"
  Documentation: devices.txt: Fix minors for ttyCPM*
  Documentation: devices.txt: Remove ttySIOC*
  Documentation: devices.txt: Remove ttyIOC*
  serial: 8250_bcm7271: improve bcm7271 8250 port
  ...
2023-09-01 09:38:00 -07:00
Linus Torvalds
e925992671 Staging driver changes for 6.6-rc1
Here are a set of staging driver cleanups for 6.6-rc1.  Nothing huge in
 here at all, overall we dropped a few hundred lines of code, it's been a
 quiet development cycle for this subsystem.
 
 Nothing stands out, everything can be categorized as "minor coding style
 cleanups for staging drivers" and there was one race condition fixed.
 
 Full details in the shortlog.
 
 All have been in linux-next for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here are a set of staging driver cleanups for 6.6-rc1. Nothing huge in
  here at all, overall we dropped a few hundred lines of code, it's been
  a quiet development cycle for this subsystem.

  Nothing stands out, everything can be categorized as "minor coding
  style cleanups for staging drivers" and there was one race condition
  fixed.

  Full details in the shortlog.

  All have been in linux-next for a while with no reported problems"

* tag 'staging-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (71 commits)
  staging: rtl8192e: Annotate struct rtllib_txb with __counted_by
  staging: greybus: fix alignment of open parenthesis
  staging: sm750fb: fix sii164InitChip function name
  staging: vme_user: fix check lines should not end with a '('
  staging: vme_user: fix check blank lines not necessary
  staging: rtl8723bs: Use helpers to check broadcast and multicast Ether addresses
  staging: vt6655: replace camel case by snake case
  staging: rtl8192e: Remove unsupported mode IW_MODE_MESH
  staging: rtl8192e: Remove unsupported mode IW_MODE_REPEAT
  staging: rtl8192e: Remove unused function rtllib_start_master_bss()
  staging: rtl8192e: Remove unsupported mode IW_MODE_MASTER
  staging: vt6655: Change camel case variables to snake case
  staging: fieldbus: arcx-anybus: Remove redundant of_match_ptr()
  staging: vme_user: fix alignment of open parenthesis
  Staging: rtl8192e: Rename function RxBaInactTimeout
  Staging: rtl8192e: Rename function TxBaInactTimeout
  Staging: rtl8192e: Rename function BaSetupTimeOut
  Staging: rtl8192e: Rename function TsInitDelBA
  Staging: rtl8192e: Rename function TsInitAddBA
  staging: vme_user: fix check alignment should match open parenthesis
  ...
2023-09-01 09:27:29 -07:00
Linus Torvalds
51e7accbe8 USB / Thunderbolt / PHY driver update for 6.6-rc1
Here is the big set of USB, Thunderbolt, and PHY driver updates for
 6.6-rc1.  Included in here are:
   - PHY driver additions and cleanups
   - Thunderbolt minor additions and fixes
   - USB MIDI 2 gadget support added
   - dwc3 driver updates and additions
   - Removal of some old USB wireless code that was missed when that
     codebase was originally removed a few years ago, cleaning up some
     core USB code paths
   - USB core potential use-after-free fixes that syzbot from different
     people/groups keeps tripping over
   - typec updates and additions
   - gadget fixes and cleanups
   - loads of smaller USB core and driver cleanups all over the place
 
 Full details are in the shortlog.  All of these have been in linux-next
 for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt / PHY driver updates from Greg KH:
 "Here is the big set of USB, Thunderbolt, and PHY driver updates for
  6.6-rc1. Included in here are:

   - PHY driver additions and cleanups

   - Thunderbolt minor additions and fixes

   - USB MIDI 2 gadget support added

   - dwc3 driver updates and additions

   - Removal of some old USB wireless code that was missed when that
     codebase was originally removed a few years ago, cleaning up some
     core USB code paths

   - USB core potential use-after-free fixes that syzbot from different
     people/groups keeps tripping over

   - typec updates and additions

   - gadget fixes and cleanups

   - loads of smaller USB core and driver cleanups all over the place

  Full details are in the shortlog. All of these have been in linux-next
  for a while with no reported problems"

* tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  platform/chrome: cros_ec_typec: Configure Retimer cable type
  tcpm: Avoid soft reset when partner does not support get_status
  usb: typec: tcpm: reset counter when enter into unattached state after try role
  usb: typec: tcpm: set initial svdm version based on pd revision
  USB: serial: option: add FOXCONN T99W368/T99W373 product
  USB: serial: option: add Quectel EM05G variant (0x030e)
  usb: dwc2: add pci_device_id driver_data parse support
  usb: gadget: remove max support speed info in bind operation
  usb: gadget: composite: cleanup function config_ep_by_speed_and_alt()
  usb: gadget: config: remove max speed check in usb_assign_descriptors()
  usb: gadget: unconditionally allocate hs/ss descriptor in bind operation
  usb: gadget: f_uvc: change endpoint allocation in uvc_function_bind()
  usb: gadget: add a inline function gether_bitrate()
  usb: gadget: use working speed to calcaulate network bitrate and qlen
  dt-bindings: usb: samsung,exynos-dwc3: Add Exynos850 support
  usb: dwc3: exynos: Add support for Exynos850 variant
  usb: gadget: udc-xilinx: fix incorrect type in assignment warning
  usb: gadget: udc-xilinx: fix cast from restricted __le16 warning
  usb: gadget: udc-xilinx: fix restricted __le16 degrades to integer warning
  USB: dwc2: hande irq on dead controller correctly
  ...
2023-09-01 09:23:34 -07:00
Linus Torvalds
e2c874f999 platform-drivers-x86 for v6.6-1
Highlights:
  -  hp-bioscfg:  New firmware-attributes driver for changing BIOS settings
                  from within Linux
  -  asus-wmi:    Add charger mode, middle fan and eGPU settings support
  -  ideapad:     Support keyboard backlight control on more models
  -  mellanox:    Support for new models
  -  sel-3350:    New LED and power-supply driver for this industrial mainboard
  -  simatic-ipc: Add RTC battery monitor and various new models support
  -  Miscellaneous other cleanups / fixes
 
 The following is an automated git shortlog grouped by driver:
 
 Add SEL-3350 platform driver:
  -  Add SEL-3350 platform driver
 
 Documentation/ABI:
  -  Add new attribute for mlxreg-io sysfs interfaces
 
 MAINTAINERS:
  -  Add entries for Siemens IPC modules
 
 Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
  -  Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
 
 Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next:
  -  Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next
 
 Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans:
  -  Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans
 
 Merge tag 'ib-pdx86-simatic-v6.6' into review-hans:
  -  Merge tag 'ib-pdx86-simatic-v6.6' into review-hans
 
 Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans:
  -  Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans
 
 Move all simatic ipc drivers to the subdirectory siemens:
  -  Move all simatic ipc drivers to the subdirectory siemens
 
 asus-wmi:
  -  corrections to egpu safety check
  -  Fix support for showing middle fan RPM
  -  expose dGPU and CPU tunables for ROG
  -  support setting mini-LED mode
  -  add safety checks to gpu switching
  -  don't allow eGPU switching if eGPU not connected
  -  add WMI method to show if egpu connected
  -  support middle fan custom curves
  -  add support for showing middle fan RPM
  -  add support for showing charger mode
 
 dell-sysman:
  -  Fix reference leak
 
 doc:
  -  TPMI: Add debugfs documentation
 
 hp-bioscfg:
  -  Update steps order list elements are evaluated
  -  Use kmemdup() to replace kmalloc + memcpy
  -  Remove duplicate use of variable in inner loop
  -  Change how password encoding size is evaluated
  -  Change how enum possible values size is evaluated
  -  Change how order list size is evaluated
  -  Change how prerequisites size is evaluated
  -  Replace the word HACK from source code
  -  Fix uninitialized variable errors
  -  Fix memory leaks in attribute packages
  -  fix error reporting in hp_add_other_attributes()
  -  prevent a small buffer overflow
  -  fix a signedness bug in hp_wmi_perform_query()
  -  MAINTAINERS
  -  Makefile
  -  surestart-attributes
  -  string-attributes
  -  spmobj-attributes
  -  passwdobj-attributes
  -  order-list-attributes
  -  int-attributes
  -  enum-attributes
  -  biosattr-interface
  -  bioscfg
  -  bioscfg-h
  -  Documentation
 
 ideapad-laptop:
  -  Add support for keyboard backlights using KBLC ACPI symbol
 
 leds:
  -  simatic-ipc-leds: default config switch to platform switch
 
 mlx-platform:
  -  Add dependency on PCI to Kconfig
 
 mlxbf-bootctl:
  -  Support sysfs entries for MFG fields
  -  Support setting the ARM boot state to "OS up"
  -  Support the large icmc write/read
 
 p2sb:
  -  Make the Kconfig symbol hidden
 
 platform:
  -  mellanox: nvsw-sn2201: change fans i2c busses.
  -  mellanox: mlxreg-hotplug: Extend condition for notification callback processing
  -  mellanox: Add initial support for PCIe based programming logic device
  -  mellanox: mlx-platform: Get interrupt line through ACPI
  -  mellanox: mlx-platform: Introduce ACPI init flow
  -  mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
  -  mellanox: mlx-platform: Add reset callback
  -  mellanox: Cosmetic changes
  -  mellanox: mlx-platform: Modify power off callback
  -  mellanox: mlx-platform: add support for additional CPLD
  -  mellanox: mlx-platform: Add reset cause attribute
  -  mellanox: mlx-platform: Modify health and power hotplug action
  -  mellanox: Modify reset causes description
  -  mellanox: Add field upgrade capability register
  -  mellanox: Add new attributes
  -  Explicitly include correct DT includes
 
 platform/x86/amd/pmc:
  -  Fix build error with randconfig
  -  Move PMC driver to separate directory
 
 platform/x86/amd/pmf:
  -  Fix a missing cleanup path
  -  Use str_on_off() helper
 
 platform/x86/intel/tpmi:
  -  Add debugfs interface
  -  Read feature control status
 
 platform/x86/siemens:
  -  simatic-ipc-batt: fix logical error for BX-59A
  -  simatic-ipc: fix logical error for BX-59A
  -  simatic-ipc-batt: fix wrong pointer pass to PTR_ERR()
  -  simatic-ipc-batt: add support for module BX-59A
  -  simatic-ipc: add new models BX-56A/BX-59A
  -  Kconfig: adjust help text
  -  simatic-ipc-batt: fix bat reading in BX_21A
 
 simatic-ipc:
  -  use extra module loading for watchdog
  -  add auto-loading of hwmon modules
  -  add another model
  -  drop PCI runtime depends and header
  -  add CMOS battery monitoring
  -  add another model BX-21A
 
 system76:
  -  Handle new KBLED ACPI methods
 
 thinkpad_acpi:
  -  Switch to memdup_user_nul() helper
  -  use lockdep annotations
  -  take mutex for hotkey_mask_{set,get}
 
 tools/power/x86/intel-speed-select:
  -  v1.17 release
  -  Change mem-frequency display name
  -  Prevent CPU 0 offline
  -  Error on CPU count exceed in request
  -  Support more than 8 sockets.
  -  Fix CPU count display
 
 watchdog:
  -  simatic: Use idiomatic selection of P2SB
  -  simatic: add PCI dependency
  -  make Siemens Simatic watchdog driver default on platform
  -  simatic-ipc-wdt: make IO region access of one model muxed
 
 wmi-bmof:
  -  Update MAINTAINERS entry
  -  Simplify read_bmof()
  -  Use device_create_bin_file()
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Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - hp-bioscfg: New firmware-attributes driver for changing BIOS settings
   from within Linux

 - asus-wmi: Add charger mode, middle fan and eGPU settings support

 - ideapad: Support keyboard backlight control on more models

 - mellanox: Support for new models

 - sel-3350: New LED and power-supply driver for this industrial
   mainboard

 - simatic-ipc: Add RTC battery monitor and various new models support

 - miscellaneous other cleanups / fixes

* tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (101 commits)
  platform/x86: asus-wmi: corrections to egpu safety check
  platform/x86: mlx-platform: Add dependency on PCI to Kconfig
  platform/x86: ideapad-laptop: Add support for keyboard backlights using KBLC ACPI symbol
  platform/x86/amd/pmc: Fix build error with randconfig
  platform/x86/amd/pmf: Fix a missing cleanup path
  watchdog: simatic: Use idiomatic selection of P2SB
  platform/x86: p2sb: Make the Kconfig symbol hidden
  Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
  platform: mellanox: nvsw-sn2201: change fans i2c busses.
  platform: mellanox: mlxreg-hotplug: Extend condition for notification callback processing
  platform: mellanox: Add initial support for PCIe based programming logic device
  platform: mellanox: mlx-platform: Get interrupt line through ACPI
  platform: mellanox: mlx-platform: Introduce ACPI init flow
  platform: mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
  platform: mellanox: mlx-platform: Add reset callback
  platform: mellanox: Cosmetic changes
  platform: mellanox: mlx-platform: Modify power off callback
  platform: mellanox: mlx-platform: add support for additional CPLD
  platform: mellanox: mlx-platform: Add reset cause attribute
  platform: mellanox: mlx-platform: Modify health and power hotplug action
  ...
2023-09-01 09:16:47 -07:00
Linus Torvalds
e0152e7481 RISC-V Patches for the 6.6 Merge Window, Part 1
* Support for the new "riscv,isa-extensions" and "riscv,isa-base" device
   tree interfaces for probing extensions.
 * Support for userspace access to the performance counters.
 * Support for more instructions in kprobes.
 * Crash kernels can be allocated above 4GiB.
 * Support for KCFI.
 * Support for ELFs in !MMU configurations.
 * ARCH_KMALLOC_MINALIGN has been reduced to 8.
 * mmap() defaults to sv48-sized addresses, with longer addresses hidden
   behind a hint (similar to Arm and Intel).
 * Also various fixes and cleanups.
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Merge tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Support for the new "riscv,isa-extensions" and "riscv,isa-base"
   device tree interfaces for probing extensions

 - Support for userspace access to the performance counters

 - Support for more instructions in kprobes

 - Crash kernels can be allocated above 4GiB

 - Support for KCFI

 - Support for ELFs in !MMU configurations

 - ARCH_KMALLOC_MINALIGN has been reduced to 8

 - mmap() defaults to sv48-sized addresses, with longer addresses hidden
   behind a hint (similar to Arm and Intel)

 - Also various fixes and cleanups

* tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
  lib/Kconfig.debug: Restrict DEBUG_INFO_SPLIT for RISC-V
  riscv: support PREEMPT_DYNAMIC with static keys
  riscv: Move create_tmp_mapping() to init sections
  riscv: Mark KASAN tmp* page tables variables as static
  riscv: mm: use bitmap_zero() API
  riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B
  riscv: remove redundant mv instructions
  RISC-V: mm: Document mmap changes
  RISC-V: mm: Update pgtable comment documentation
  RISC-V: mm: Add tests for RISC-V mm
  RISC-V: mm: Restrict address space for sv39,sv48,sv57
  riscv: enable DMA_BOUNCE_UNALIGNED_KMALLOC for !dma_coherent
  riscv: allow kmalloc() caches aligned to the smallest value
  riscv: support the elf-fdpic binfmt loader
  binfmt_elf_fdpic: support 64-bit systems
  riscv: Allow CONFIG_CFI_CLANG to be selected
  riscv/purgatory: Disable CFI
  riscv: Add CFI error handling
  riscv: Add ftrace_stub_graph
  riscv: Add types to indirectly called assembly functions
  ...
2023-09-01 08:09:48 -07:00
Linus Torvalds
a031eba295 arch/csky 2nd patches for 6.6
Only one fixup:
  - Fixup compile error by missing header file
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Merge tag 'csky-for-linus-6.6-2' of https://github.com/c-sky/csky-linux

Pull arch/csky fix from Guo Ren:

 - Fix compile error by missing header file

* tag 'csky-for-linus-6.6-2' of https://github.com/c-sky/csky-linux:
  csky: Fixup compile error
2023-09-01 08:02:45 -07:00
Linus Torvalds
99d99825fc NFS CLient Updates for Linux 6.6
New Features:
   * Enable the NFS v4.2 READ_PLUS operation by default
 
 Stable Fixes:
   * NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info
   * NFS: Fix a potential data corruption
 
 Bugfixes:
   * Fix various READ_PLUS issues including:
     * smatch warnings
     * xdr size calculations
     * scratch buffer handling
     * 32bit / highmem xdr page handling
   * Fix checkpatch errors in file.c
   * Fix redundant readdir request after an EOF
   * Fix handling of COPY ERR_OFFLOAD_NO_REQ
   * Fix assignment of xprtdata.cred
 
 Cleanups:
   * Remove unused xprtrdma function declarations
   * Clean up an integer overflow check to avoid a warning
   * Clean up #includes in dns_resolve.c
   * Clean up nfs4_get_device_info so we don't pass a NULL pointer to __free_page()
   * Clean up sunrpc TCP socket timeout configuration
   * Guard against READDIR loops when entry names are too long
   * Use EXCHID4_FLAG_USE_PNFS_DS for DS servers
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Merge tag 'nfs-for-6.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "New Features:
   - Enable the NFS v4.2 READ_PLUS operation by default

  Stable Fixes:
   - NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info
   - NFS: Fix a potential data corruption

  Bugfixes:
   - Fix various READ_PLUS issues including:
      - smatch warnings
      - xdr size calculations
      - scratch buffer handling
      - 32bit / highmem xdr page handling
   - Fix checkpatch errors in file.c
   - Fix redundant readdir request after an EOF
   - Fix handling of COPY ERR_OFFLOAD_NO_REQ
   - Fix assignment of xprtdata.cred

  Cleanups:
   - Remove unused xprtrdma function declarations
   - Clean up an integer overflow check to avoid a warning
   - Clean up #includes in dns_resolve.c
   - Clean up nfs4_get_device_info so we don't pass a NULL pointer
     to __free_page()
   - Clean up sunrpc TCP socket timeout configuration
   - Guard against READDIR loops when entry names are too long
   - Use EXCHID4_FLAG_USE_PNFS_DS for DS servers"

* tag 'nfs-for-6.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (22 commits)
  pNFS: Fix assignment of xprtdata.cred
  NFSv4.2: fix handling of COPY ERR_OFFLOAD_NO_REQ
  NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN
  NFSv4.1: use EXCHGID4_FLAG_USE_PNFS_DS for DS server
  NFS/pNFS: Set the connect timeout for the pNFS flexfiles driver
  SUNRPC: Don't override connect timeouts in rpc_clnt_add_xprt()
  SUNRPC: Allow specification of TCP client connect timeout at setup
  SUNRPC: Refactor and simplify connect timeout
  SUNRPC: Set the TCP_SYNCNT to match the socket timeout
  NFS: Fix a potential data corruption
  nfs: fix redundant readdir request after get eof
  nfs/blocklayout: Use the passed in gfp flags
  filemap: Fix errors in file.c
  NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info
  NFS: Move common includes outside ifdef
  SUNRPC: clean up integer overflow check
  xprtrdma: Remove unused function declaration rpcrdma_bc_post_recv()
  NFS: Enable the READ_PLUS operation by default
  SUNRPC: kmap() the xdr pages during decode
  NFSv4.2: Rework scratch handling for READ_PLUS (again)
  ...
2023-08-31 15:36:41 -07:00
Linus Torvalds
f35d170615 NFSD 6.6 Release Notes
I'm thrilled to announce that the Linux in-kernel NFS server now
 offers NFSv4 write delegations. A write delegation enables a client
 to cache data and metadata for a single file more aggressively,
 reducing network round trips and server workload. Many thanks to Dai
 Ngo for contributing this facility, and to Jeff Layton and Neil
 Brown for reviewing and testing it.
 
 This release also sees the removal of all support for DES- and
 triple-DES-based Kerberos encryption types in the kernel's SunRPC
 implementation. These encryption types have been deprecated by the
 Internet community for years and are considered insecure. This
 change affects both the in-kernel NFS client and server.
 
 The server's UDP and TCP socket transports have now fully adopted
 David Howells' new bio_vec iterator so that no more than one
 sendmsg() call is needed to transmit each RPC message. In
 particular, this helps kTLS optimize record boundaries when sending
 RPC-with-TLS replies, and it takes the server a baby step closer to
 handling file I/O via folios.
 
 We've begun work on overhauling the SunRPC thread scheduler to
 remove a costly linked-list walk when looking for an idle RPC
 service thread to wake. The pre-requisites are included in this
 release. Thanks to Neil Brown for his ongoing work on this
 improvement.
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Merge tag 'nfsd-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd updates from Chuck Lever:
 "I'm thrilled to announce that the Linux in-kernel NFS server now
  offers NFSv4 write delegations. A write delegation enables a client to
  cache data and metadata for a single file more aggressively, reducing
  network round trips and server workload. Many thanks to Dai Ngo for
  contributing this facility, and to Jeff Layton and Neil Brown for
  reviewing and testing it.

  This release also sees the removal of all support for DES- and
  triple-DES-based Kerberos encryption types in the kernel's SunRPC
  implementation. These encryption types have been deprecated by the
  Internet community for years and are considered insecure. This change
  affects both the in-kernel NFS client and server.

  The server's UDP and TCP socket transports have now fully adopted
  David Howells' new bio_vec iterator so that no more than one sendmsg()
  call is needed to transmit each RPC message. In particular, this helps
  kTLS optimize record boundaries when sending RPC-with-TLS replies, and
  it takes the server a baby step closer to handling file I/O via
  folios.

  We've begun work on overhauling the SunRPC thread scheduler to remove
  a costly linked-list walk when looking for an idle RPC service thread
  to wake. The pre-requisites are included in this release. Thanks to
  Neil Brown for his ongoing work on this improvement"

* tag 'nfsd-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (56 commits)
  Documentation: Add missing documentation for EXPORT_OP flags
  SUNRPC: Remove unused declaration rpc_modcount()
  SUNRPC: Remove unused declarations
  NFSD: da_addr_body field missing in some GETDEVICEINFO replies
  SUNRPC: Remove return value of svc_pool_wake_idle_thread()
  SUNRPC: make rqst_should_sleep() idempotent()
  SUNRPC: Clean up svc_set_num_threads
  SUNRPC: Count ingress RPC messages per svc_pool
  SUNRPC: Deduplicate thread wake-up code
  SUNRPC: Move trace_svc_xprt_enqueue
  SUNRPC: Add enum svc_auth_status
  SUNRPC: change svc_xprt::xpt_flags bits to enum
  SUNRPC: change svc_rqst::rq_flags bits to enum
  SUNRPC: change svc_pool::sp_flags bits to enum
  SUNRPC: change cache_head.flags bits to enum
  SUNRPC: remove timeout arg from svc_recv()
  SUNRPC: change svc_recv() to return void.
  SUNRPC: call svc_process() from svc_recv().
  nfsd: separate nfsd_last_thread() from nfsd_put()
  nfsd: Simplify code around svc_exit_thread() call in nfsd()
  ...
2023-08-31 15:32:18 -07:00
Jonathan Neuschäfer
4a9762aa35 fbdev: Update fbdev source file paths
The files fbmem.c, fb_defio.c, fbsysfs.c, fbmon.c, modedb.c, and
fbcmap.c were moved. Drop the path and just keep the file name.

Reported by kalekale in #kernel (Libera IRC).

Fixes: f7018c2135 ("video: move fbdev to drivers/video/fbdev")
Fixes: 19757fc843 ("fbdev: move fbdev core files to separate directory")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Helge Deller <deller@gmx.de>
2023-09-01 00:29:34 +02:00
Geert Uytterhoeven
33d02972d8 fbdev: ssd1307fb: Use bool for ssd1307fb_deviceinfo flags
The .need_pwm and .need_chargepump fields in struct ssd1307fb_deviceinfo
are flags that can have only two possible values: 0 and 1.
Reduce kernel size by changing their types from int to bool.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2023-09-01 00:29:34 +02:00
Helge Deller
a9415b03f0 fbdev: neofb: Shorten Neomagic product name in info struct
Avoid those compiler warnings:
neofb.c:1959:3: warning: 'snprintf' will always be truncated;
   specified size is 16, but format string expands to at least 17 [-Wfortify-source]

Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/all/CAKwvOdn0xoVWjQ6ufM_rojtKb0f1i1hW-J_xYGfKDNFdHwaeHQ@mail.gmail.com/
Link: https://github.com/ClangBuiltLinux/linux/issues/1923
2023-09-01 00:29:33 +02:00
Linus Torvalds
8ae5d298ef ten ksmbd server fixes
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Merge tag '6.6-rc-ksmbd-fixes-part1' of git://git.samba.org/ksmbd

Pull smb server updates from Steve French:

 - fix potential overflows in decoding create and in session setup
   requests

 - cleanup fixes

 - compounding fixes, including one for MacOS compounded read requests

 - session setup error handling fix

 - fix mode bit bug when applying force_directory_mode and
   force_create_mode

 - RDMA (smbdirect) write fix

* tag '6.6-rc-ksmbd-fixes-part1' of git://git.samba.org/ksmbd:
  ksmbd: add missing calling smb2_set_err_rsp() on error
  ksmbd: replace one-element array with flex-array member in struct smb2_ea_info
  ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()
  ksmbd: fix wrong DataOffset validation of create context
  ksmbd: Fix one kernel-doc comment
  ksmbd: reduce descriptor size if remaining bytes is less than request size
  ksmbd: fix `force create mode' and `force directory mode'
  ksmbd: fix wrong interim response on compound
  ksmbd: add support for read compound
  ksmbd: switch to use kmemdup_nul() helper
2023-08-31 15:28:26 -07:00
Linus Torvalds
7e5cd6f697 A few small fixes
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Merge tag 'jfs-6.6' of github.com:kleikamp/linux-shaggy

Pull jfs updates from Dave Kleikamp:
 "A few small fixes"

* tag 'jfs-6.6' of github.com:kleikamp/linux-shaggy:
  jfs: validate max amount of blocks before allocation.
  jfs: remove redundant initialization to pointer ip
  jfs: fix invalid free of JFS_IP(ipimap)->i_imap in diUnmount
  FS: JFS: (trivial) Fix grammatical error in extAlloc
  fs/jfs: prevent double-free in dbUnmount() after failed jfs_remount()
2023-08-31 15:25:01 -07:00
Linus Torvalds
3ef96fcfd5 Many ext4 and jbd2 cleanups and bug fixes for v6.6-rc1.
* Cleanups in the ext4 remount code when going to and from read-only
   * Cleanups in ext4's multiblock allocator
   * Cleanups in the jbd2 setup/mounting code paths
   * Performance improvements when appending to a delayed allocation file
   * Miscenallenous syzbot and other bug fixes
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Merge tag 'ext4_for_linus-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Many ext4 and jbd2 cleanups and bug fixes:

   - Cleanups in the ext4 remount code when going to and from read-only

   - Cleanups in ext4's multiblock allocator

   - Cleanups in the jbd2 setup/mounting code paths

   - Performance improvements when appending to a delayed allocation file

   - Miscellaneous syzbot and other bug fixes"

* tag 'ext4_for_linus-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (60 commits)
  ext4: fix slab-use-after-free in ext4_es_insert_extent()
  libfs: remove redundant checks of s_encoding
  ext4: remove redundant checks of s_encoding
  ext4: reject casefold inode flag without casefold feature
  ext4: use LIST_HEAD() to initialize the list_head in mballoc.c
  ext4: do not mark inode dirty every time when appending using delalloc
  ext4: rename s_error_work to s_sb_upd_work
  ext4: add periodic superblock update check
  ext4: drop dio overwrite only flag and associated warning
  ext4: add correct group descriptors and reserved GDT blocks to system zone
  ext4: remove unused function declaration
  ext4: mballoc: avoid garbage value from err
  ext4: use sbi instead of EXT4_SB(sb) in ext4_mb_new_blocks_simple()
  ext4: change the type of blocksize in ext4_mb_init_cache()
  ext4: fix unttached inode after power cut with orphan file feature enabled
  jbd2: correct the end of the journal recovery scan range
  ext4: ext4_get_{dev}_journal return proper error value
  ext4: cleanup ext4_get_dev_journal() and ext4_get_journal()
  jbd2: jbd2_journal_init_{dev,inode} return proper error return value
  jbd2: drop useless error tag in jbd2_journal_wipe()
  ...
2023-08-31 15:18:15 -07:00
Linus Torvalds
659b3613fc dlm for 6.6
Changes include:
 
 - Allow blocking posix lock requests to be interrupted while waiting.
   This requires a cancel request to be sent to the userspace daemon
   where posix lock requests are processed across the cluster.
 
 - Fix a posix lock patch from the previous cycle in which lock requests
   from different file systems could be mixed up.
 
 - Fix some long standing problems with nfs posix lock cancelation.
 
 - Add a new debugfs file for printing queued callbacks.
 
 - Stop modifying buffers that have been used to receive a message.
 
 - Misc cleanups and some refactoring.
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Merge tag 'dlm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:

 - Allow blocking posix lock requests to be interrupted while waiting.
   This requires a cancel request to be sent to the userspace daemon
   where posix lock requests are processed across the cluster.

 - Fix a posix lock patch from the previous cycle in which lock requests
   from different file systems could be mixed up.

 - Fix some long standing problems with nfs posix lock cancelation.

 - Add a new debugfs file for printing queued callbacks.

 - Stop modifying buffers that have been used to receive a message.

 - Misc cleanups and some refactoring.

* tag 'dlm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: fix plock lookup when using multiple lockspaces
  fs: dlm: don't use RCOM_NAMES for version detection
  fs: dlm: create midcomms nodes when configure
  fs: dlm: constify receive buffer
  fs: dlm: drop rxbuf manipulation in dlm_recover_master_copy
  fs: dlm: drop rxbuf manipulation in dlm_copy_master_names
  fs: dlm: get recovery sequence number as parameter
  fs: dlm: cleanup lock order
  fs: dlm: remove clear_members_cb
  fs: dlm: add plock dev tracepoints
  fs: dlm: check on plock ops when exit dlm
  fs: dlm: debugfs for queued callbacks
  fs: dlm: remove unused processed_nodes
  fs: dlm: add missing spin_unlock
  fs: dlm: fix F_CANCELLK to cancel pending request
  fs: dlm: allow to F_SETLKW getting interrupted
  fs: dlm: remove twice newline
2023-08-31 15:02:12 -07:00
Linus Torvalds
e7e9423db4 v6.6-vfs.super.fixes.2
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Merge tag 'v6.6-vfs.super.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull more superblock follow-on fixes from Christian Brauner:
 "This contains two more small follow-up fixes for the super work this
  cycle. I went through all filesystems once more and detected two minor
  issues that still needed fixing:

   - Some filesystems support mtd devices (e.g., mount -t jffs2 mtd2
     /mnt). The mtd infrastructure uses the sb->s_mtd pointer to find an
     existing superblock. When the mtd device is put and sb->s_mtd
     cleared the superblock can still be found fs_supers and so this
     risks a use-after-free.

     Add a small patch that aligns mtd with what we did for regular
     block devices and switch keying to rely on sb->s_dev.

     (This was tested with mtd devices and jffs2 as xfstests doesn't
     support mtd devices.)

   - Switch nfs back to rely on kill_anon_super() so the superblock is
     removed from the list of active supers before sb->s_fs_info is
     freed"

* tag 'v6.6-vfs.super.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  NFS: switch back to using kill_anon_super
  mtd: key superblock by device number
  fs: export sget_dev()
2023-08-31 14:52:20 -07:00
Ingo Molnar
f441ff73f1 powerpc: Fix pud_mkwrite() definition after pte_mkwrite() API changes
Fix up missed semantic mis-merge between commits

  161e393c0f ("mm: Make pte_mkwrite() take a VMA")
  27af67f356 ("powerpc/book3s64/mm: enable transparent pud hugepage")

where the newly introduced powerpc use of 'pte_mkwrite()' needs to use
the 'novma()' versions as per commit 2f0584f3f4 ("mm: Rename arch
pte_mkwrite()'s to pte_mkwrite_novma()").

Fixes: df57721f9a ("Merge tag 'x86_shstk_for_6.6-rc1' of [...]")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-08-31 14:49:38 -07:00
Fabio Estevam
bfac19e239 fbdev: mx3fb: Remove the driver
The mx3fb driver does not support devicetree and i.MX has been converted
to a DT-only platform since kernel 5.10.

As there is no user for this driver anymore, just remove it.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2023-08-31 22:58:25 +02:00
Jinjie Ruan
1520081a78 fbdev/core: Use list_for_each_entry() helper
Convert list_for_each() to list_for_each_entry() so that the pos
list_head pointer and list_entry() call are no longer needed, which
can reduce a few lines of code. No functional changed.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2023-08-31 22:54:34 +02:00
Linus Torvalds
87dfd85c38 ARM updates for v6.6-rc1
Development updates for v6.6-rc1
 - Refactor VFP code and convert to C code (Ard Biesheuvel)
 - Fix hardware breakpoint single-stepping using bpf_overflow_handler
 - Make SMP stop calls asynchronous allowing panic from irq context to
   work
 - Fix for kernel-doc warnings for locomo
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - Refactor VFP code and convert to C code (Ard Biesheuvel)

 - Fix hardware breakpoint single-stepping using bpf_overflow_handler

 - Make SMP stop calls asynchronous allowing panic from irq context to
   work

 - Fix for kernel-doc warnings for locomo

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  Revert part of ae1f8d793a ("ARM: 9304/1: add prototype for function called only from asm")
  ARM: 9318/1: locomo: move kernel-doc to prevent warnings
  ARM: 9317/1: kexec: Make smp stop calls asynchronous
  ARM: 9316/1: hw_breakpoint: fix single-stepping when using bpf_overflow_handler
  ARM: entry: Make asm coproc dispatch code NWFPE only
  ARM: iwmmxt: Use undef hook to enable coprocessor for task
  ARM: entry: Disregard Thumb undef exception in coproc dispatch
  ARM: vfp: Use undef hook for handling VFP exceptions
  ARM: kernel: Get rid of thread_info::used_cp[] array
  ARM: vfp: Reimplement VFP exception entry in C code
  ARM: vfp: Remove workaround for Feroceon CPUs
  ARM: vfp: Record VFP bounces as perf emulation faults
2023-08-31 12:49:10 -07:00
Linus Torvalds
4ad0a4c234 powerpc updates for 6.6
- Add HOTPLUG_SMT support (/sys/devices/system/cpu/smt) and honour the
    configured SMT state when hotplugging CPUs into the system.
 
  - Combine final TLB flush and lazy TLB mm shootdown IPIs when using the Radix
    MMU to avoid a broadcast TLBIE flush on exit.
 
  - Drop the exclusion between ptrace/perf watchpoints, and drop the now unused
    associated arch hooks.
 
  - Add support for the "nohlt" command line option to disable CPU idle.
 
  - Add support for -fpatchable-function-entry for ftrace, with GCC >= 13.1.
 
  - Rework memory block size determination, and support 256MB size on systems
    with GPUs that have hotpluggable memory.
 
  - Various other small features and fixes.
 
 Thanks to: Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira Rajeev,
 Benjamin Gray, Christophe Leroy, Frederic Barrat, Gautam Menghani, Geoff Levand,
 Hari Bathini, Immad Mir, Jialin Zhang, Joel Stanley, Jordan Niethe, Justin
 Stitt, Kajol Jain, Kees Cook, Krzysztof Kozlowski, Laurent Dufour, Liang He,
 Linus Walleij, Mahesh Salgaonkar, Masahiro Yamada, Michal Suchanek, Nageswara
 R Sastry, Nathan Chancellor, Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nick
 Desaulniers, Omar Sandoval, Randy Dunlap, Reza Arbab, Rob Herring, Russell
 Currey, Sourabh Jain, Thomas Gleixner, Trevor Woerner, Uwe Kleine-König, Vaibhav
 Jain, Xiongfeng Wang, Yuan Tan, Zhang Rui, Zheng Zengkai.
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Merge tag 'powerpc-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Add HOTPLUG_SMT support (/sys/devices/system/cpu/smt) and honour the
   configured SMT state when hotplugging CPUs into the system

 - Combine final TLB flush and lazy TLB mm shootdown IPIs when using the
   Radix MMU to avoid a broadcast TLBIE flush on exit

 - Drop the exclusion between ptrace/perf watchpoints, and drop the now
   unused associated arch hooks

 - Add support for the "nohlt" command line option to disable CPU idle

 - Add support for -fpatchable-function-entry for ftrace, with GCC >=
   13.1

 - Rework memory block size determination, and support 256MB size on
   systems with GPUs that have hotpluggable memory

 - Various other small features and fixes

Thanks to Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira
Rajeev, Benjamin Gray, Christophe Leroy, Frederic Barrat, Gautam
Menghani, Geoff Levand, Hari Bathini, Immad Mir, Jialin Zhang, Joel
Stanley, Jordan Niethe, Justin Stitt, Kajol Jain, Kees Cook, Krzysztof
Kozlowski, Laurent Dufour, Liang He, Linus Walleij, Mahesh Salgaonkar,
Masahiro Yamada, Michal Suchanek, Nageswara R Sastry, Nathan Chancellor,
Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nick Desaulniers, Omar
Sandoval, Randy Dunlap, Reza Arbab, Rob Herring, Russell Currey, Sourabh
Jain, Thomas Gleixner, Trevor Woerner, Uwe Kleine-König, Vaibhav Jain,
Xiongfeng Wang, Yuan Tan, Zhang Rui, and Zheng Zengkai.

* tag 'powerpc-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (135 commits)
  macintosh/ams: linux/platform_device.h is needed
  powerpc/xmon: Reapply "Relax frame size for clang"
  powerpc/mm/book3s64: Use 256M as the upper limit with coherent device memory attached
  powerpc/mm/book3s64: Fix build error with SPARSEMEM disabled
  powerpc/iommu: Fix notifiers being shared by PCI and VIO buses
  powerpc/mpc5xxx: Add missing fwnode_handle_put()
  powerpc/config: Disable SLAB_DEBUG_ON in skiroot
  powerpc/pseries: Remove unused hcall tracing instruction
  powerpc/pseries: Fix hcall tracepoints with JUMP_LABEL=n
  powerpc: dts: add missing space before {
  powerpc/eeh: Use pci_dev_id() to simplify the code
  powerpc/64s: Move CPU -mtune options into Kconfig
  powerpc/powermac: Fix unused function warning
  powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT
  powerpc: Don't include lppaca.h in paca.h
  powerpc/pseries: Move hcall_vphn() prototype into vphn.h
  powerpc/pseries: Move VPHN constants into vphn.h
  cxl: Drop unused detach_spa()
  powerpc: Drop zalloc_maybe_bootmem()
  powerpc/powernv: Use struct opal_prd_msg in more places
  ...
2023-08-31 12:43:10 -07:00
Linus Torvalds
df57721f9a Add x86 shadow stack support
Convert IBT selftest to asm to fix objtool warning
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Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 shadow stack support from Dave Hansen:
 "This is the long awaited x86 shadow stack support, part of Intel's
  Control-flow Enforcement Technology (CET).

  CET consists of two related security features: shadow stacks and
  indirect branch tracking. This series implements just the shadow stack
  part of this feature, and just for userspace.

  The main use case for shadow stack is providing protection against
  return oriented programming attacks. It works by maintaining a
  secondary (shadow) stack using a special memory type that has
  protections against modification. When executing a CALL instruction,
  the processor pushes the return address to both the normal stack and
  to the special permission shadow stack. Upon RET, the processor pops
  the shadow stack copy and compares it to the normal stack copy.

  For more information, refer to the links below for the earlier
  versions of this patch set"

Link: https://lore.kernel.org/lkml/20220130211838.8382-1-rick.p.edgecombe@intel.com/
Link: https://lore.kernel.org/lkml/20230613001108.3040476-1-rick.p.edgecombe@intel.com/

* tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (47 commits)
  x86/shstk: Change order of __user in type
  x86/ibt: Convert IBT selftest to asm
  x86/shstk: Don't retry vm_munmap() on -EINTR
  x86/kbuild: Fix Documentation/ reference
  x86/shstk: Move arch detail comment out of core mm
  x86/shstk: Add ARCH_SHSTK_STATUS
  x86/shstk: Add ARCH_SHSTK_UNLOCK
  x86: Add PTRACE interface for shadow stack
  selftests/x86: Add shadow stack test
  x86/cpufeatures: Enable CET CR4 bit for shadow stack
  x86/shstk: Wire in shadow stack interface
  x86: Expose thread features in /proc/$PID/status
  x86/shstk: Support WRSS for userspace
  x86/shstk: Introduce map_shadow_stack syscall
  x86/shstk: Check that signal frame is shadow stack mem
  x86/shstk: Check that SSP is aligned on sigreturn
  x86/shstk: Handle signals for shadow stack
  x86/shstk: Introduce routines modifying shstk
  x86/shstk: Handle thread shadow stack
  x86/shstk: Add user-mode shadow stack support
  ...
2023-08-31 12:20:12 -07:00
Randy Dunlap
85a616416e macintosh/ams: linux/platform_device.h is needed
ams.h uses struct platform_device, so the header should be used
to prevent build errors:

drivers/macintosh/ams/ams-input.c: In function 'ams_input_enable':
drivers/macintosh/ams/ams-input.c:68:45: error: invalid use of undefined type 'struct platform_device'
   68 |         input->dev.parent = &ams_info.of_dev->dev;
drivers/macintosh/ams/ams-input.c: In function 'ams_input_init':
drivers/macintosh/ams/ams-input.c:146:51: error: invalid use of undefined type 'struct platform_device'
  146 |         return device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick);
drivers/macintosh/ams/ams-input.c: In function 'ams_input_exit':
drivers/macintosh/ams/ams-input.c:151:44: error: invalid use of undefined type 'struct platform_device'
  151 |         device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);
drivers/macintosh/ams/ams-input.c: In function 'ams_input_init':
drivers/macintosh/ams/ams-input.c:147:1: error: control reaches end of non-void function [-Werror=return-type]
  147 | }

Fixes: 233d687d1b ("macintosh: Explicitly include correct DT includes")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230829225837.15520-1-rdunlap@infradead.org
2023-08-31 21:23:13 +10:00
Christoph Hellwig
5069ba84b5 NFS: switch back to using kill_anon_super
NFS switch to open coding kill_anon_super in 7b14a21389
("nfs: don't call bdi_unregister") to avoid the extra bdi_unregister
call.  At that point bdi_destroy was called in nfs_free_server and
thus it required a later freeing of the anon dev_t.  But since
0db10944a7 ("nfs: Convert to separately allocated bdi") the bdi has
been free implicitly by the sb destruction, so this isn't needed
anymore.

By not open coding kill_anon_super, nfs now inherits the fix in
dc3216b141 ("super: ensure valid info"), and we remove the only
open coded version of kill_anon_super.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230831052940.256193-1-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-08-31 12:47:16 +02:00
Christian Brauner
ec952aa253 mtd: key superblock by device number
The mtd driver has similar problems than the one that was fixed in
commit dc3216b141 ("super: ensure valid info").

The kill_mtd_super() helper calls shuts the superblock down but leaves
the superblock on fs_supers as the devices are still in use but puts the
mtd device and cleans out the superblock's s_mtd field.

This means another mounter can find the superblock on the list accessing
its s_mtd field while it is curently in the process of being freed or
already freed.

Prevent that from happening by keying superblock by dev_t just as we do
in the generic code.

Link: https://lore.kernel.org/linux-fsdevel/20230829-weitab-lauwarm-49c40fc85863@brauner
Acked-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Message-Id: <20230829-vfs-super-mtd-v1-2-fecb572e5df3@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-08-31 12:47:15 +02:00
Christian Brauner
69881be3d9 fs: export sget_dev()
They will be used for mtd devices as well.

Acked-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230829-vfs-super-mtd-v1-1-fecb572e5df3@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-08-31 12:47:15 +02:00
Nathan Chancellor
89775a27ff
lib/Kconfig.debug: Restrict DEBUG_INFO_SPLIT for RISC-V
When building for ARCH=riscv using LLVM < 14, there is an error with
CONFIG_DEBUG_INFO_SPLIT=y:

  error: A dwo section may not contain relocations

This was worked around in LLVM 15 by disallowing '-gsplit-dwarf' with
'-mrelax' (the default), so CONFIG_DEBUG_INFO_SPLIT is not selectable
with newer versions of LLVM:

  $ clang --target=riscv64-linux-gnu -gsplit-dwarf -c -o /dev/null -x c /dev/null
  clang: error: -gsplit-dwarf is unsupported with RISC-V linker relaxation (-mrelax)

GCC silently had a similar issue that was resolved with GCC 12.x.
Restrict CONFIG_DEBUG_INFO_SPLIT for RISC-V when using LLVM or GCC <
12.x to avoid these known issues.

Link: https://github.com/ClangBuiltLinux/linux/issues/1914
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99090
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/all/202308090204.9yZffBWo-lkp@intel.com/
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Fangrui Song <maskray@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230816-riscv-debug_info_split-v1-1-d1019d6ccc11@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:37 -07:00
Palmer Dabbelt
94f00388c2
Merge patch series "RISC-V: mm: Make SV48 the default address space"
Charlie Jenkins <charlie@rivosinc.com> says:

Make sv48 the default address space for mmap as some applications
currently depend on this assumption. Users can now select a
desired address space using a non-zero hint address to mmap. Previously,
requesting the default address space from mmap by passing zero as the hint
address would result in using the largest address space possible. Some
applications depend on empty bits in the virtual address space, like Go and
Java, so this patch provides more flexibility for application developers.

* b4-shazam-merge:
  RISC-V: mm: Document mmap changes
  RISC-V: mm: Update pgtable comment documentation
  RISC-V: mm: Add tests for RISC-V mm
  RISC-V: mm: Restrict address space for sv39,sv48,sv57

Link: https://lore.kernel.org/r/20230809232218.849726-1-charlie@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:36 -07:00
Palmer Dabbelt
52b77c2806
Merge patch series "riscv: Reduce ARCH_KMALLOC_MINALIGN to 8"
Jisheng Zhang <jszhang@kernel.org> says:

Currently, riscv defines ARCH_DMA_MINALIGN as L1_CACHE_BYTES, I.E
64Bytes, if CONFIG_RISCV_DMA_NONCOHERENT=y. To support unified kernel
Image, usually we have to enable CONFIG_RISCV_DMA_NONCOHERENT, thus
it brings some bad effects to coherent platforms:

Firstly, it wastes memory, kmalloc-96, kmalloc-32, kmalloc-16 and
kmalloc-8 slab caches don't exist any more, they are replaced with
either kmalloc-128 or kmalloc-64.

Secondly, larger than necessary kmalloc aligned allocations results
in unnecessary cache/TLB pressure.

This issue also exists on arm64 platforms. From last year, Catalin
tried to solve this issue by decoupling ARCH_KMALLOC_MINALIGN from
ARCH_DMA_MINALIGN, limiting kmalloc() minimum alignment to
dma_get_cache_alignment() and replacing ARCH_KMALLOC_MINALIGN usage
in various drivers with ARCH_DMA_MINALIGN etc.[1]

One fact we can make use of for riscv: if the CPU doesn't support
ZICBOM or T-HEAD CMO, we know the platform is coherent. Based on
Catalin's work and above fact, we can easily solve the kmalloc align
issue for riscv: we can override dma_get_cache_alignment(), then let
it return ARCH_DMA_MINALIGN at the beginning and return 1 once we know
the underlying HW neither supports ZICBOM nor supports T-HEAD CMO.

So what about if the CPU supports ZICBOM or T-HEAD CMO, but all the
devices are dma coherent? Well, we use ARCH_DMA_MINALIGN as the
kmalloc minimum alignment, nothing changed in this case. This case
can be improved in the future once we see such platforms in mainline.

After this patch, a simple test of booting to a small buildroot rootfs
on qemu shows:

kmalloc-96           5041    5041     96  ...
kmalloc-64           9606    9606     64  ...
kmalloc-32           5128    5128     32  ...
kmalloc-16           7682    7682     16  ...
kmalloc-8           10246   10246      8  ...

So we save about 1268KB memory. The saving will be much larger in normal
OS env on real HW platforms.

patch1 allows kmalloc() caches aligned to the smallest value.
patch2 enables DMA_BOUNCE_UNALIGNED_KMALLOC.

After this series:

As for coherent platforms, kmalloc-{8,16,32,96} caches come back on
coherent both RV32 and RV64 platforms, I.E !ZICBOM and !THEAD_CMO.

As for noncoherent RV32 platforms, nothing changed.

As for noncoherent RV64 platforms, I.E either ZICBOM or THEAD_CMO, the
above kmalloc caches also come back if > 4GB memory or users pass
"swiotlb=mmnn,force" to force swiotlb creation if <= 4GB memory. How
much mmnn should be depends on the specific platform, it needs to be
tried and tested all possible usage case on the specific hardware. For
example, I can use the minimal I/O TLB slabs on Sipeed M1S Dock.

* b4-shazam-merge:
  riscv: enable DMA_BOUNCE_UNALIGNED_KMALLOC for !dma_coherent
  riscv: allow kmalloc() caches aligned to the smallest value

Link: https://lore.kernel.org/linux-arm-kernel/20230524171904.3967031-1-catalin.marinas@arm.com/ [1]
Link: https://lore.kernel.org/r/20230718152214.2907-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:35 -07:00
Jisheng Zhang
4e90d0522a
riscv: support PREEMPT_DYNAMIC with static keys
Currently, each architecture can support PREEMPT_DYNAMIC through
either static calls or static keys. To support PREEMPT_DYNAMIC on
riscv, we face three choices:

1. only add static calls support to riscv
As Mark pointed out in commit 99cf983cc8 ("sched/preempt: Add
PREEMPT_DYNAMIC using static keys"), static keys "...should have
slightly lower overhead than non-inline static calls, as this
effectively inlines each trampoline into the start of its callee. This
may avoid redundant work, and may integrate better with CFI schemes."
So even we add static calls(without inline static calls) to riscv,
static keys is still a better choice.

2. add static calls and inline static calls to riscv
Per my understanding, inline static calls requires objtool support
which is not easy.

3. use static keys

While riscv doesn't have static calls support, it supports static keys
perfectly. So this patch selects HAVE_PREEMPT_DYNAMIC_KEY to enable
support for PREEMPT_DYNAMIC on riscv, so that the preemption model can
be chosen at boot time. It also patches asm-generic/preempt.h, mainly
to add __preempt_schedule() and __preempt_schedule_notrace() macros
for PREEMPT_DYNAMIC case. Other architectures which use generic
preempt.h can also benefit from this patch by simply selecting
HAVE_PREEMPT_DYNAMIC_KEY to enable PREEMPT_DYNAMIC if they supports
static keys.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230716164925.1858-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:34 -07:00
Palmer Dabbelt
150e3c92a1
Merge patch series "riscv: support ELF format binaries in nommu mode"
Greg Ungerer <gerg@kernel.org> says:

The following changes add the ability to run ELF format binaries when
running RISC-V in nommu mode. That support is actually part of the
ELF-FDPIC loader, so these changes are all about making that work on
RISC-V.

The first issue to deal with is making the ELF-FDPIC loader capable of
handling 64-bit ELF files. As coded right now it only supports 32-bit
ELF files.

Secondly some changes are required to enable and compile the ELF-FDPIC
loader on RISC-V and to pass the ELF-FDPIC mapping addresses through to
user space when execing the new program.

These changes have not been used to run actual ELF-FDPIC binaries.
It is used to load and run normal ELF - compiled -pie format. Though the
underlying changes are expected to work with full ELF-FDPIC binaries if
or when that is supported on RISC-V in gcc.

To avoid needing changes to the C-library (tested with uClibc-ng
currently) there is a simple runtime dynamic loader (interpreter)
available to do the final relocations, https://github.com/gregungerer/uldso.
The nice thing about doing it this way is that the same program
binary can also be loaded with the usual ELF loader in MMU linux.

The motivation here is to provide an easy to use alternative to the
flat format binaries normally used for RISC-V nommu based systems.

* b4-shazam-merge:
  riscv: support the elf-fdpic binfmt loader
  binfmt_elf_fdpic: support 64-bit systems

Link: https://lore.kernel.org/r/20230711130754.481209-1-gerg@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:33 -07:00
Palmer Dabbelt
7f7d3ea6eb
Merge patch series "riscv: KCFI support"
Sami Tolvanen <samitolvanen@google.com> says:

This series adds KCFI support for RISC-V. KCFI is a fine-grained
forward-edge control-flow integrity scheme supported in Clang >=16,
which ensures indirect calls in instrumented code can only branch to
functions whose type matches the function pointer type, thus making
code reuse attacks more difficult.

Patch 1 implements a pt_regs based syscall wrapper to address
function pointer type mismatches in syscall handling. Patches 2 and 3
annotate indirectly called assembly functions with CFI types. Patch 4
implements error handling for indirect call checks. Patch 5 disables
CFI for arch/riscv/purgatory. Patch 6 finally allows CONFIG_CFI_CLANG
to be enabled for RISC-V.

Note that Clang 16 has a generic architecture-agnostic KCFI
implementation, which does work with the kernel, but doesn't produce
a stable code sequence for indirect call checks, which means
potential failures just trap and won't result in informative error
messages. Clang 17 includes a RISC-V specific back-end implementation
for KCFI, which emits a predictable code sequence for the checks and a
.kcfi_traps section with locations of the traps, which patch 5 uses to
produce more useful errors.

The type mismatch fixes and annotations in the first three patches
also become necessary in future if the kernel decides to support
fine-grained CFI implemented using the hardware landing pad
feature proposed in the in-progress Zicfisslp extension. Once the
specification is ratified and hardware support emerges, implementing
runtime patching support that replaces KCFI instrumentation with
Zicfisslp landing pads might also be feasible (similarly to KCFI to
FineIBT patching on x86_64), allowing distributions to ship a unified
kernel binary for all devices.

* b4-shazam-merge:
  riscv: Allow CONFIG_CFI_CLANG to be selected
  riscv/purgatory: Disable CFI
  riscv: Add CFI error handling
  riscv: Add ftrace_stub_graph
  riscv: Add types to indirectly called assembly functions
  riscv: Implement syscall wrappers

Link: https://lore.kernel.org/r/20230710183544.999540-8-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:32 -07:00
Alexandre Ghiti
9bdd924803
riscv: Move create_tmp_mapping() to init sections
This function is only used at boot time so mark it as __init.

Fixes: 96f9d4daf7 ("riscv: Rework kasan population functions")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20230704074357.233982-2-alexghiti@rivosinc.com
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:31 -07:00
Alexandre Ghiti
dd7664d67b
riscv: Mark KASAN tmp* page tables variables as static
tmp_pg_dir, tmp_p4d and tmp_pud are only used in kasan_init.c so they
should be declared as static.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306282202.bODptiGE-lkp@intel.com/
Fixes: 96f9d4daf7 ("riscv: Rework kasan population functions")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20230704074357.233982-1-alexghiti@rivosinc.com
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:30 -07:00
Ye Xingchen
665c51f644
riscv: mm: use bitmap_zero() API
bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
instead of bitmap_clear().

Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/202305061711417142802@zte.com.cn
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:29 -07:00
Palmer Dabbelt
9389e6715f
Merge patch series "support allocating crashkernel above 4G explicitly on riscv"
Chen Jiahao <chenjiahao16@huawei.com> says:

On riscv, the current crash kernel allocation logic is trying to
allocate within 32bit addressible memory region by default, if
failed, try to allocate without 4G restriction.

In need of saving DMA zone memory while allocating a relatively large
crash kernel region, allocating the reserved memory top down in
high memory, without overlapping the DMA zone, is a mature solution.
Hence this patchset introduces the parameter option crashkernel=X,[high,low].

One can reserve the crash kernel from high memory above DMA zone range
by explicitly passing "crashkernel=X,high"; or reserve a memory range
below 4G with "crashkernel=X,low". Besides, there are few rules need
to take notice:
1. "crashkernel=X,[high,low]" will be ignored if "crashkernel=size"
   is specified.
2. "crashkernel=X,low" is valid only when "crashkernel=X,high" is passed
   and there is enough memory to be allocated under 4G.
3. When allocating crashkernel above 4G and no "crashkernel=X,low" is
   specified, a 128M low memory will be allocated automatically for
   swiotlb bounce buffer.
See Documentation/admin-guide/kernel-parameters.txt for more information.

To verify loading the crashkernel, adapted kexec-tools is attached below:
https://github.com/chenjh005/kexec-tools/tree/build-test-riscv-v2

Following test cases have been performed as expected:
1) crashkernel=256M                          //low=256M
2) crashkernel=1G                            //low=1G
3) crashkernel=4G                            //high=4G, low=128M(default)
4) crashkernel=4G crashkernel=256M,high      //high=4G, low=128M(default), high is ignored
5) crashkernel=4G crashkernel=256M,low       //high=4G, low=128M(default), low is ignored
6) crashkernel=4G,high                       //high=4G, low=128M(default)
7) crashkernel=256M,low                      //low=0M, invalid
8) crashkernel=4G,high crashkernel=256M,low  //high=4G, low=256M
9) crashkernel=4G,high crashkernel=4G,low    //high=0M, low=0M, invalid
10) crashkernel=512M@0xd0000000              //low=512M
11) crashkernel=1G,high crashkernel=0M,low   //high=1G, low=0M

* b4-shazam-merge:
  docs: kdump: Update the crashkernel description for riscv
  riscv: kdump: Implement crashkernel=X,[high,low]

Link: https://lore.kernel.org/r/20230726175000.2536220-1-chenjiahao16@huawei.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:28 -07:00
Palmer Dabbelt
82dfb5fde6
Merge patch series "riscv: kprobes: simulate some instructions"
Nam Cao <namcaov@gmail.com> says:

Simulate some currently rejected instructions. Still to be simulated are:
    - c.jal
    - c.ebreak

* b4-shazam-merge:
  riscv: kprobes: simulate c.beqz and c.bnez
  riscv: kprobes: simulate c.jr and c.jalr instructions
  riscv: kprobes: simulate c.j instruction

Link: https://lore.kernel.org/r/cover.1690704360.git.namcaov@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:27 -07:00
Jisheng Zhang
3ed8513cae
riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B
Allow to force all function address 64B aligned as it is possible for
other architectures. This may be useful when verify if performance
bump is caused by function alignment changes.

Before commit 1bf18da621 ("lib/Kconfig.debug: add ARCH dependency
for FUNCTION_ALIGN option"), riscv supports enabling the
DEBUG_FORCE_FUNCTION_ALIGN_64B option, but after that commit, each
arch needs to claim the support explicitly.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230727160356.3874-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:26 -07:00
Nam Cao
6b289a3ffa
riscv: remove redundant mv instructions
Some mv instructions were useful when first introduced to preserve a0 and
a1 before function calls. However the code has changed and they are now
redundant. Remove them.

Signed-off-by: Nam Cao <namcaov@gmail.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20230725053835.138910-1-namcaov@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-08-31 00:18:25 -07:00
Linus Torvalds
b97d64c722 22 smb3/cifs client fixes and two related changes (for unicode mapping)
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Merge tag '6.6-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - fixes for excessive stack usage

 - multichannel reconnect improvements

 - DFS fix and cleanup patches

 - move UCS-2 conversion code to fs/nls and update cifs and jfs to use
   them

 - cleanup patch for compounding, one to fix confusing function name

 - inode number collision fix

 - reparse point fixes (including avoiding an extra unneeded query on
   symlinks) and a minor cleanup

 - directory lease (caching) improvement

* tag '6.6-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
  fs/jfs: Use common ucs2 upper case table
  fs/smb/client: Use common code in client
  fs/smb: Swing unicode common code from smb->NLS
  fs/smb: Remove unicode 'lower' tables
  SMB3: rename macro CIFS_SERVER_IS_CHAN to avoid confusion
  [SMB3] send channel sequence number in SMB3 requests after reconnects
  cifs: update desired access while requesting for directory lease
  smb: client: reduce stack usage in smb2_query_reparse_point()
  smb: client: reduce stack usage in smb2_query_info_compound()
  smb: client: reduce stack usage in smb2_set_ea()
  smb: client: reduce stack usage in smb_send_rqst()
  smb: client: reduce stack usage in cifs_demultiplex_thread()
  smb: client: reduce stack usage in cifs_try_adding_channels()
  smb: cilent: set reparse mount points as automounts
  smb: client: query reparse points in older dialects
  smb: client: do not query reparse points twice on symlinks
  smb: client: parse reparse point flag in create response
  smb: client: get rid of dfs code dep in namespace.c
  smb: client: get rid of dfs naming in automount code
  smb: client: rename cifs_dfs_ref.c to namespace.c
  ...
2023-08-30 21:01:40 -07:00
Linus Torvalds
47d154eb2a nvdimm changes for v6.6 merge window
- kstrtobool() conversion for nvdimm
 - Add REQ_OP_WRITE for virtio_pmem
 - Header files update for of_pmem
 - Restrict zero-sized namespace from being exposed to user
 - Avoid unnecessary endian conversion
 - Fix mem leak in nvdimm pmu
 - Fix dereference after free in nvdimm pmu
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Merge tag 'libnvdimm-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull nvdimm updates from Dave Jiang:
 "This is mostly small cleanups, fixes, and with a change to prevent
  zero-sized namespace exposed to user for nvdimm.

  Summary:

   - kstrtobool() conversion for nvdimm

   - Add REQ_OP_WRITE for virtio_pmem

   - Header files update for of_pmem

   - Restrict zero-sized namespace from being exposed to user

   - Avoid unnecessary endian conversion

   - Fix mem leak in nvdimm pmu

   - Fix dereference after free in nvdimm pmu"

* tag 'libnvdimm-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nvdimm: Fix dereference after free in register_nvdimm_pmu()
  nvdimm: Fix memleak of pmu attr_groups in unregister_nvdimm_pmu()
  nvdimm/pfn_dev: Avoid unnecessary endian conversion
  nvdimm/pfn_dev: Prevent the creation of zero-sized namespaces
  nvdimm: Explicitly include correct DT includes
  virtio_pmem: add the missing REQ_OP_WRITE for flush bio
  nvdimm: Use kstrtobool() instead of strtobool()
2023-08-30 20:52:08 -07:00
Linus Torvalds
4debf77169 iommufd for 6.6
This includes a shared branch with VFIO:
 
  - Enhance VFIO_DEVICE_GET_PCI_HOT_RESET_INFO so it can work with iommufd
    FDs, not just group FDs. This removes the last place in the uAPI that
    required the group fd.
 
  - Give VFIO a new device node /dev/vfio/devices/vfioX (the so called cdev
    node) which is very similar to the FD from VFIO_GROUP_GET_DEVICE_FD.
    The cdev is associated with the struct device that the VFIO driver is
    bound to and shows up in sysfs in the normal way.
 
  - Add a cdev IOCTL VFIO_DEVICE_BIND_IOMMUFD which allows a newly opened
    /dev/vfio/devices/vfioX to be associated with an IOMMUFD, this replaces
    the VFIO_GROUP_SET_CONTAINER flow.
 
  - Add cdev IOCTLs VFIO_DEVICE_[AT|DE]TACH_IOMMUFD_PT to allow the IOMMU
    translation the vfio_device is associated with to be changed. This is a
    significant new feature for VFIO as previously each vfio_device was
    fixed to a single translation.
 
    The translation is under the control of iommufd, so it can be any of
    the different translation modes that iommufd is learning to create.
 
 At this point VFIO has compilation options to remove the legacy interfaces
 and in modern mode it behaves like a normal driver subsystem. The
 /dev/vfio/iommu and /dev/vfio/groupX nodes are not present and each
 vfio_device only has a /dev/vfio/devices/vfioX cdev node that represents
 the device.
 
 On top of this is built some of the new iommufd functionality:
 
  - IOMMU_HWPT_ALLOC allows userspace to directly create the low level
    IO Page table objects and affiliate them with IOAS objects that hold
    the translation mapping. This is the basic functionality for the
    normal IOMMU_DOMAIN_PAGING domains.
 
  - VFIO_DEVICE_ATTACH_IOMMUFD_PT can be used to replace the current
    translation. This is wired up to through all the layers down to the
    driver so the driver has the ability to implement a hitless
    replacement. This is necessary to fully support guest behaviors when
    emulating HW (eg guest atomic change of translation)
 
  - IOMMU_GET_HW_INFO returns information about the IOMMU driver HW that
    owns a VFIO device. This includes support for the Intel iommu, and
    patches have been posted for all the other server IOMMU.
 
 Along the way are a number of internal items:
 
  - New iommufd kapis iommufd_ctx_has_group(), iommufd_device_to_ictx(),
    iommufd_device_to_id(), iommufd_access_detach(), iommufd_ctx_from_fd(),
    iommufd_device_replace()
 
  - iommufd now internally tracks iommu_groups as it needs some per-group
    data
 
  - Reorganize how the internal hwpt allocation flows to have more robust
    locking
 
  - Improve the access interfaces to support detach and replace of an IOAS
    from an access
 
  - New selftests and a rework of how the selftests creates a mock iommu
    driver to be more like a real iommu driver
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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:
 "On top of the vfio updates is built some new iommufd functionality:

   - IOMMU_HWPT_ALLOC allows userspace to directly create the low level
     IO Page table objects and affiliate them with IOAS objects that
     hold the translation mapping. This is the basic functionality for
     the normal IOMMU_DOMAIN_PAGING domains.

   - VFIO_DEVICE_ATTACH_IOMMUFD_PT can be used to replace the current
     translation. This is wired up to through all the layers down to the
     driver so the driver has the ability to implement a hitless
     replacement. This is necessary to fully support guest behaviors
     when emulating HW (eg guest atomic change of translation)

   - IOMMU_GET_HW_INFO returns information about the IOMMU driver HW
     that owns a VFIO device. This includes support for the Intel iommu,
     and patches have been posted for all the other server IOMMU.

  Along the way are a number of internal items:

   - New iommufd kernel APIs: iommufd_ctx_has_group(),
        iommufd_device_to_ictx(), iommufd_device_to_id(),
        iommufd_access_detach(), iommufd_ctx_from_fd(),
        iommufd_device_replace()

   - iommufd now internally tracks iommu_groups as it needs some
     per-group data

   - Reorganize how the internal hwpt allocation flows to have more
     robust locking

   - Improve the access interfaces to support detach and replace of an
     IOAS from an access

   - New selftests and a rework of how the selftests creates a mock
     iommu driver to be more like a real iommu driver"

Link: https://lore.kernel.org/lkml/ZO%2FTe6LU1ENf58ZW@nvidia.com/

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (34 commits)
  iommufd/selftest: Don't leak the platform device memory when unloading the module
  iommu/vt-d: Implement hw_info for iommu capability query
  iommufd/selftest: Add coverage for IOMMU_GET_HW_INFO ioctl
  iommufd: Add IOMMU_GET_HW_INFO
  iommu: Add new iommu op to get iommu hardware information
  iommu: Move dev_iommu_ops() to private header
  iommufd: Remove iommufd_ref_to_users()
  iommufd/selftest: Make the mock iommu driver into a real driver
  vfio: Support IO page table replacement
  iommufd/selftest: Add IOMMU_TEST_OP_ACCESS_REPLACE_IOAS coverage
  iommufd: Add iommufd_access_replace() API
  iommufd: Use iommufd_access_change_ioas in iommufd_access_destroy_object
  iommufd: Add iommufd_access_change_ioas(_id) helpers
  iommufd: Allow passing in iopt_access_list_id to iopt_remove_access()
  vfio: Do not allow !ops->dma_unmap in vfio_pin/unpin_pages()
  iommufd/selftest: Add a selftest for IOMMU_HWPT_ALLOC
  iommufd/selftest: Return the real idev id from selftest mock_domain
  iommufd: Add IOMMU_HWPT_ALLOC
  iommufd/selftest: Test iommufd_device_replace()
  iommufd: Make destroy_rwsem use a lock class per object type
  ...
2023-08-30 20:41:37 -07:00
Linus Torvalds
ec0e2dc810 VFIO updates for v6.6-rc1
- VFIO direct character device (cdev) interface support.  This extracts
    the vfio device fd from the container and group model, and is intended
    to be the native uAPI for use with IOMMUFD. (Yi Liu)
 
  - Enhancements to the PCI hot reset interface in support of cdev usage.
    (Yi Liu)
 
  - Fix a potential race between registering and unregistering vfio files
    in the kvm-vfio interface and extend use of a lock to avoid extra
    drop and acquires. (Dmitry Torokhov)
 
  - A new vfio-pci variant driver for the AMD/Pensando Distributed Services
    Card (PDS) Ethernet device, supporting live migration. (Brett Creeley)
 
  - Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
    and simplify driver init/exit in fsl code. (Li Zetao)
 
  - Fix uninitialized hole in data structure and pad capability structures
    for alignment. (Stefan Hajnoczi)
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Merge tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - VFIO direct character device (cdev) interface support. This extracts
   the vfio device fd from the container and group model, and is
   intended to be the native uAPI for use with IOMMUFD (Yi Liu)

 - Enhancements to the PCI hot reset interface in support of cdev usage
   (Yi Liu)

 - Fix a potential race between registering and unregistering vfio files
   in the kvm-vfio interface and extend use of a lock to avoid extra
   drop and acquires (Dmitry Torokhov)

 - A new vfio-pci variant driver for the AMD/Pensando Distributed
   Services Card (PDS) Ethernet device, supporting live migration (Brett
   Creeley)

 - Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
   and simplify driver init/exit in fsl code (Li Zetao)

 - Fix uninitialized hole in data structure and pad capability
   structures for alignment (Stefan Hajnoczi)

* tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio: (53 commits)
  vfio/pds: Send type for SUSPEND_STATUS command
  vfio/pds: fix return value in pds_vfio_get_lm_file()
  pds_core: Fix function header descriptions
  vfio: align capability structures
  vfio/type1: fix cap_migration information leak
  vfio/fsl-mc: Use module_fsl_mc_driver macro to simplify the code
  vfio/cdx: Remove redundant initialization owner in vfio_cdx_driver
  vfio/pds: Add Kconfig and documentation
  vfio/pds: Add support for firmware recovery
  vfio/pds: Add support for dirty page tracking
  vfio/pds: Add VFIO live migration support
  vfio/pds: register with the pds_core PF
  pds_core: Require callers of register/unregister to pass PF drvdata
  vfio/pds: Initial support for pds VFIO driver
  vfio: Commonize combine_ranges for use in other VFIO drivers
  kvm/vfio: avoid bouncing the mutex when adding and deleting groups
  kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add()
  docs: vfio: Add vfio device cdev description
  vfio: Compile vfio_group infrastructure optionally
  vfio: Move the IOMMU_CAP_CACHE_COHERENCY check in __vfio_register_dev()
  ...
2023-08-30 20:36:01 -07:00
Linus Torvalds
b6f6167ea8 pci-v6.6-changes
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Merge tag 'pci-v6.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:
   - Add locking to read/modify/write PCIe Capability Register accessors
     for Link Control and Root Control
   - Use pci_dev_id() when possible instead of manually composing ID
     from dev->bus->number and dev->devfn

  Resource management:
   - Move prototypes for __weak sysfs resource files to linux/pci.h to
     fix 'no previous prototype' warnings
   - Make more I/O port accesses depend on HAS_IOPORT
   - Use devm_platform_get_and_ioremap_resource() instead of open-coding
     platform_get_resource() followed by devm_ioremap_resource()

  Power management:
   - Ensure devices are powered up while accessing VPD
   - If device is powered-up, keep it that way while polling for PME
   - Only read PCI_PM_CTRL register when available, to avoid reading the
     wrong register and corrupting dev->current_state

  Virtualization:
   - Avoid Secondary Bus Reset on NVIDIA T4 GPUs

  Error handling:
   - Remove unused pci_disable_pcie_error_reporting()
   - Unexport pci_enable_pcie_error_reporting(), used only by aer.c
   - Unexport pcie_port_bus_type, used only by PCI core

  VGA:
   - Simplify and clean up typos in VGA arbiter

  Apple PCIe controller driver:
   - Initialize pcie->nvecs (number of available MSIs) before use

  Broadcom iProc PCIe controller driver:
   - Use of_property_read_bool() instead of low-level accessors for
     boolean properties

  Broadcom STB PCIe controller driver:
   - Assert PERST# when probing BCM2711 because some bootloaders don't
     do it

  Freescale i.MX6 PCIe controller driver:
   - Add .host_deinit() callback so we can clean up things like
     regulators on probe failure or driver unload

  Freescale Layerscape PCIe controller driver:
   - Add support for link-down notification so the endpoint driver can
     process LINK_DOWN events
   - Add suspend/resume support, including manual
     PME_Turn_off/PME_TO_Ack handshake
   - Save Link Capabilities during probe so they can be restored when
     handling a link-up event, since the controller loses the Link Width
     and Link Speed values during reset

  Intel VMD host bridge driver:
   - Fix disable of bridge windows during domain reset; previously we
     cleared the base/limit registers, which actually left the windows
     enabled

  Marvell MVEBU PCIe controller driver:
   - Remove unused busn member

  Microchip PolarFlare PCIe controller driver:
   - Fix interrupt bit definitions so the SEC and DED interrupt handlers
     work correctly
   - Make driver buildable as a module
   - Read FPGA MSI configuration parameters from hardware instead of
     hard-coding them

  Microsoft Hyper-V host bridge driver:
   - To avoid a NULL pointer dereference, skip MSI restore after
     hibernate if MSI/MSI-X hasn't been enabled

  NVIDIA Tegra194 PCIe controller driver:
   - Revert 'PCI: tegra194: Enable support for 256 Byte payload' because
     Linux doesn't know how to reduce MPS from to 256 to 128 bytes for
     endpoints below a switch (because other devices below the switch
     might already be operating), which leads to 'Malformed TLP' errors

  Qualcomm PCIe controller driver:
   - Add DT and driver support for interconnect bandwidth voting for
     'pcie-mem' and 'cpu-pcie' interconnects
   - Fix broken SDX65 'compatible' DT property
   - Configure controller so MHI bus master clock will be switched off
     while in ASPM L1.x states
   - Use alignment restriction from EPF core in EPF MHI driver
   - Add Endpoint eDMA support
   - Add MHI eDMA support
   - Add Snapdragon SM8450 support to the EPF MHI driversupport
   - Add MHI eDMA support
   - Add Snapdragon SM8450 support to the EPF MHI driversupport
   - Add MHI eDMA support
   - Add Snapdragon SM8450 support to the EPF MHI driversupport
   - Add MHI eDMA support
   - Add Snapdragon SM8450 support to the EPF MHI driver
   - Use iATU for EPF MHI transfers smaller than 4K to avoid eDMA setup
     latency
   - Add sa8775p DT binding and driver support

  Rockchip PCIe controller driver:
   - Use 64-bit mask on MSI 64-bit PCI address to avoid zeroing out the
     upper 32 bits

  SiFive FU740 PCIe controller driver:
   - Set the supported number of MSI vectors so we can use all available
     MSI interrupts

  Synopsys DesignWare PCIe controller driver:
   - Add generic dwc suspend/resume APIs (dw_pcie_suspend_noirq() and
     dw_pcie_resume_noirq()) to be called by controller driver
     suspend/resume ops, and a controller callback to send PME_Turn_Off

  MicroSemi Switchtec management driver:
   - Add support for PCIe Gen5 devices

  Miscellaneous:
   - Reorder and compress to reduce size of struct pci_dev
   - Fix race in DOE destroy_work_on_stack()
   - Add stubs to avoid casts between incompatible function types
   - Explicitly include correct DT includes to untangle headers"

* tag 'pci-v6.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (96 commits)
  PCI: qcom-ep: Add ICC bandwidth voting support
  dt-bindings: PCI: qcom: ep: Add interconnects path
  PCI: qcom-ep: Treat unknown IRQ events as an error
  dt-bindings: PCI: qcom: Fix SDX65 compatible
  PCI: endpoint: Add kernel-doc for pci_epc_mem_init() API
  PCI: epf-mhi: Use iATU for small transfers
  PCI: epf-mhi: Add support for SM8450
  PCI: epf-mhi: Add eDMA support
  PCI: qcom-ep: Add eDMA support
  PCI: epf-mhi: Make use of the alignment restriction from EPF core
  PCI/PM: Only read PCI_PM_CTRL register when available
  PCI: qcom: Add support for sa8775p SoC
  dt-bindings: PCI: qcom: Add sa8775p compatible
  PCI: qcom-ep: Pass alignment restriction to the EPF core
  PCI: Simplify pcie_capability_clear_and_set_word() control flow
  PCI: Tidy config space save/restore messages
  PCI: Fix code formatting inconsistencies
  PCI: Fix typos in docs and comments
  PCI: Fix pci_bus_resetable(), pci_slot_resetable() name typos
  PCI: Simplify pci_dev_driver()
  ...
2023-08-30 20:23:07 -07:00
Linus Torvalds
cd99b9eb4b Documentation work keeps chugging along; stuff for 6.6 includes:
- Work from Carlos Bilbao to integrate rustdoc output into the generated
   HTML documentation.  This took some work to figure out how to do it
   without slowing the docs build and without creating people who don't have
   Rust installed, but Carlos got there.
 
 - Move the loongarch and mips architecture documentation under
   Documentation/arch/.
 
 - Some more maintainer documentation from Jakub
 
 ...plus the usual assortment of updates, translations, and fixes.
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Merge tag 'docs-6.6' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Documentation work keeps chugging along; this includes:

   - Work from Carlos Bilbao to integrate rustdoc output into the
     generated HTML documentation. This took some work to figure out how
     to do it without slowing the docs build and without creating people
     who don't have Rust installed, but Carlos got there

   - Move the loongarch and mips architecture documentation under
     Documentation/arch/

   - Some more maintainer documentation from Jakub

  ... plus the usual assortment of updates, translations, and fixes"

* tag 'docs-6.6' of git://git.lwn.net/linux: (56 commits)
  Docu: genericirq.rst: fix irq-example
  input: docs: pxrc: remove reference to phoenix-sim
  Documentation: serial-console: Fix literal block marker
  docs/mm: remove references to hmm_mirror ops and clean typos
  docs/zh_CN: correct regi_chg(),regi_add() to region_chg(),region_add()
  Documentation: Fix typos
  Documentation/ABI: Fix typos
  scripts: kernel-doc: fix macro handling in enums
  scripts: kernel-doc: parse DEFINE_DMA_UNMAP_[ADDR|LEN]
  Documentation: riscv: Update boot image header since EFI stub is supported
  Documentation: riscv: Add early boot document
  Documentation: arm: Add bootargs to the table of added DT parameters
  docs: kernel-parameters: Refer to the correct bitmap function
  doc: update params of memhp_default_state=
  docs: Add book to process/kernel-docs.rst
  docs: sparse: fix invalid link addresses
  docs: vfs: clean up after the iterate() removal
  docs: Add a section on surveys to the researcher guidelines
  docs: move mips under arch
  docs: move loongarch under arch
  ...
2023-08-30 20:05:42 -07:00
Linus Torvalds
f8fd5c2483 This pull request is full of clk driver changes. In fact, there aren't any
changes to the clk framework this time around. That's probably because everyone
 was on vacation (yours truly included). We did lose a couple clk drivers this
 time around because nobody was using those devices. That skews the diffstat a
 bit, but either way, nothing looks out of the ordinary here. The usual suspects
 are chugging along adding support for more SoCs and fixing bugs.
 
 If I had to choose, I'd say the theme for the past few months has been
 "polish". There's quite a few patches that migrate to
 devm_platform_ioremap_resource() in here. And there's more than a handful of
 patches that move the NR_CLKS define from the DT binding header to the driver.
 There's even patches that migrate drivers to use clk_parent_data and clk_hw to
 describe clk tree topology. It seems that the spring (summer?) cleaning bug got
 some folks, or the semiconductor shortage finally hit the software side.
 
 New Drivers:
  - StarFive JH7110 SoC clock drivers
  - Qualcomm IPQ5018 Global Clock Controller driver
  - Versa3 clk generator to support 48KHz playback/record with audio codec on
    RZ/G2L SMARC EVK
 
 Removed Drivers:
  - Remove non-OF mmp clk drivers
  - Remove OXNAS clk driver
 
 Updates:
  - Add __counted_by to struct clk_hw_onecell_data and struct spmi_pmic_div_clk_cc
  - Move defines for numbers of clks (NR_CLKS) from DT headers to drivers
  - Introduce kstrdup_and_replace() and use it
  - Add PLL rates for Rockchip rk3568
  - Add the display clock tree for Rockchip rv1126
  - Add Audio Clock Generator (ADG) clocks on Renesas R-Car Gen3 and RZ/G2 SoCs
  - Convert sun9i-mmc clock to use devm_platform_get_and_ioremap_resource()
  - Fix function name in a comment in ccu_mmc_timing.c
  - Parameter name correction for ccu_nkm_round_rate()
  - Implement CLK_SET_RATE_PARENT for Allwinner NKM clocks, i.e. consider alternative
    parent rates when determining clock rates
  - Set CLK_SET_RATE_PARENT for Allwinner A64 pll-mipi
  - Support finding closest (as opposed to closest but not higher) clock rate
    for NM, NKM, mux and div type clocks, as use it for Allwinner A64 pll-video0
  - Prefer current parent rate if able to generate ideal clock rate for Allwinner NKM clocks
  - Clean up Qualcomm SMD RPM driver, with interconnect bus clocks moved out to
    the interconnect drivers
  - Fix various PM runtime bugs across many Qualcomm clk drivers
  - Migrate Qualcomm MDM9615 is to parent_hw and parent_data
  - Add network related resets on Qualcomm IPQ4019
  - Add a couple missing USB related clocks to Qualcomm IPQ9574
  - Add missing gpll0_sleep_clk_src to Qualcomm MSM8917 global clock controller
  - In the Qualcomm QDU1000 global clock controller, GDSCs, clkrefs, and GPLL1 are
    added, while PCIe pipe clock, SDCC rcg ops are corrected
  - Add missing GDSCs to and correct GDSCs for the SC8280XP global clock controller driver
  - Support retention for the Qualcomm SC8280XP display clock controller GDSCs.
  - Qualcommm's SDCC apps_clk_src is marked with CLK_OPS_PARENT_ENABLE to fix
    issues with missing parent clocks across sc7180, sm7150, sm6350 and sm8250,
    while sm8450 is corrected to use floor ops
  - Correct Qualcomm SM6350 GPU clock controller's clock supplies
  - Drop unwanted clocks from the Qualcomm IPQ5332 GCC driver
  - Add missing OXILICX GDSC to Qualcomm MSM8226 GCC
  - Change the delay in the Qualcomm reset controller to fsleep() for correctness
  - Extend the Qualcomm SM83550 Video clock controller to support SC8280XP
  - Add graphics clock support on Renesas RZ/G2M, RZ/G2N, RZ/G2E, and R-Car H3,
    M3-W, and M3-N SoCs
  - Add Clocked Serial Interface (CSI) clocks on Renesas RZ/V2M
  - Add PWM (MTU3) clock and reset on Renesas RZ/G2UL and RZ/Five
  - Add the PDM IPC clock for i.MX93
  - Add 519.75MHz frequency support for i.MX9 PLL
  - Simplify the .determine_rate() implementation for i.MX GPR mux
  - Make the i.MX8QXP LPCG clock use devm_platform_ioremap_resource()
  - Add the audio mux clock to i.MX8
  - Fix the SPLL2 MULT range for PLLv4
  - Update the SPLL2 type in i.MX8ULP
  - Fix the SAI4 clock on i.MX8MP
  - Add silicon revision print for i.MX25 on clocks init
  - Drop the return value from __mx25_clocks_init()
  - Fix the clock pauses on no-op set_rate for i.MX8M composite clock
  - Drop restrictions for i.MX PLL14xx and fix its max prediv value
  - Drop the 393216000 and 361267200 from i.MX PLL14xx rate table to allow
    glitch free switching
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk subsystem updates from Stephen Boyd:
 "This pull request is full of clk driver changes. In fact, there aren't
  any changes to the clk framework this time around. That's probably
  because everyone was on vacation (yours truly included). We did lose a
  couple clk drivers this time around because nobody was using those
  devices. That skews the diffstat a bit, but either way, nothing looks
  out of the ordinary here. The usual suspects are chugging along adding
  support for more SoCs and fixing bugs.

  If I had to choose, I'd say the theme for the past few months has been
  "polish". There's quite a few patches that migrate to
  devm_platform_ioremap_resource() in here. And there's more than a
  handful of patches that move the NR_CLKS define from the DT binding
  header to the driver. There's even patches that migrate drivers to use
  clk_parent_data and clk_hw to describe clk tree topology. It seems
  that the spring (summer?) cleaning bug got some folks, or the
  semiconductor shortage finally hit the software side.

  New Drivers:
   - StarFive JH7110 SoC clock drivers
   - Qualcomm IPQ5018 Global Clock Controller driver
   - Versa3 clk generator to support 48KHz playback/record with audio
     codec on RZ/G2L SMARC EVK

  Removed Drivers:
   - Remove non-OF mmp clk drivers
   - Remove OXNAS clk driver

  Updates:
   - Add __counted_by to struct clk_hw_onecell_data and struct
     spmi_pmic_div_clk_cc
   - Move defines for numbers of clks (NR_CLKS) from DT headers to
     drivers
   - Introduce kstrdup_and_replace() and use it
   - Add PLL rates for Rockchip rk3568
   - Add the display clock tree for Rockchip rv1126
   - Add Audio Clock Generator (ADG) clocks on Renesas R-Car Gen3 and
     RZ/G2 SoCs
   - Convert sun9i-mmc clock to use
     devm_platform_get_and_ioremap_resource()
   - Fix function name in a comment in ccu_mmc_timing.c
   - Parameter name correction for ccu_nkm_round_rate()
   - Implement CLK_SET_RATE_PARENT for Allwinner NKM clocks, i.e.
     consider alternative parent rates when determining clock rates
   - Set CLK_SET_RATE_PARENT for Allwinner A64 pll-mipi
   - Support finding closest (as opposed to closest but not higher)
     clock rate for NM, NKM, mux and div type clocks, as use it for
     Allwinner A64 pll-video0
   - Prefer current parent rate if able to generate ideal clock rate for
     Allwinner NKM clocks
   - Clean up Qualcomm SMD RPM driver, with interconnect bus clocks
     moved out to the interconnect drivers
   - Fix various PM runtime bugs across many Qualcomm clk drivers
   - Migrate Qualcomm MDM9615 is to parent_hw and parent_data
   - Add network related resets on Qualcomm IPQ4019
   - Add a couple missing USB related clocks to Qualcomm IPQ9574
   - Add missing gpll0_sleep_clk_src to Qualcomm MSM8917 global clock
     controller
   - In the Qualcomm QDU1000 global clock controller, GDSCs, clkrefs,
     and GPLL1 are added, while PCIe pipe clock, SDCC rcg ops are
     corrected
   - Add missing GDSCs to and correct GDSCs for the SC8280XP global
     clock controller driver
   - Support retention for the Qualcomm SC8280XP display clock
     controller GDSCs.
   - Qualcommm's SDCC apps_clk_src is marked with CLK_OPS_PARENT_ENABLE
     to fix issues with missing parent clocks across sc7180, sm7150,
     sm6350 and sm8250, while sm8450 is corrected to use floor ops
   - Correct Qualcomm SM6350 GPU clock controller's clock supplies
   - Drop unwanted clocks from the Qualcomm IPQ5332 GCC driver
   - Add missing OXILICX GDSC to Qualcomm MSM8226 GCC
   - Change the delay in the Qualcomm reset controller to fsleep() for
     correctness
   - Extend the Qualcomm SM83550 Video clock controller to support
     SC8280XP
   - Add graphics clock support on Renesas RZ/G2M, RZ/G2N, RZ/G2E, and
     R-Car H3, M3-W, and M3-N SoCs
   - Add Clocked Serial Interface (CSI) clocks on Renesas RZ/V2M
   - Add PWM (MTU3) clock and reset on Renesas RZ/G2UL and RZ/Five
   - Add the PDM IPC clock for i.MX93
   - Add 519.75MHz frequency support for i.MX9 PLL
   - Simplify the .determine_rate() implementation for i.MX GPR mux
   - Make the i.MX8QXP LPCG clock use devm_platform_ioremap_resource()
   - Add the audio mux clock to i.MX8
   - Fix the SPLL2 MULT range for PLLv4
   - Update the SPLL2 type in i.MX8ULP
   - Fix the SAI4 clock on i.MX8MP
   - Add silicon revision print for i.MX25 on clocks init
   - Drop the return value from __mx25_clocks_init()
   - Fix the clock pauses on no-op set_rate for i.MX8M composite clock
   - Drop restrictions for i.MX PLL14xx and fix its max prediv value
   - Drop the 393216000 and 361267200 from i.MX PLL14xx rate table to
     allow glitch free switching"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (207 commits)
  clk: qcom: Fix SM_GPUCC_8450 dependencies
  clk: lmk04832: Support using PLL1_LD as SPI readback pin
  clk: lmk04832: Don't disable vco clock on probe fail
  clk: lmk04832: Set missing parent_names for output clocks
  clk: mvebu: Convert to devm_platform_ioremap_resource()
  clk: nuvoton: Convert to devm_platform_ioremap_resource()
  clk: socfpga: agilex: Convert to devm_platform_ioremap_resource()
  clk: ti: Use devm_platform_get_and_ioremap_resource()
  clk: mediatek: Convert to devm_platform_ioremap_resource()
  clk: hsdk-pll: Convert to devm_platform_ioremap_resource()
  clk: gemini: Convert to devm_platform_ioremap_resource()
  clk: fsl-sai: Convert to devm_platform_ioremap_resource()
  clk: bm1880: Convert to devm_platform_ioremap_resource()
  clk: axm5516: Convert to devm_platform_ioremap_resource()
  clk: actions: Convert to devm_platform_ioremap_resource()
  clk: cdce925: Remove redundant of_match_ptr()
  clk: pxa910: Move number of clocks to driver source
  clk: pxa1928: Move number of clocks to driver source
  clk: pxa168: Move number of clocks to driver source
  clk: mmp2: Move number of clocks to driver source
  ...
2023-08-30 19:53:39 -07:00