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Kees Cook
d26270061a string: Remove strlcpy() 
With all the users of strlcpy() removed[1] from the kernel, remove the
API, self-tests, and other references. Leave mentions in Documentation
(about its deprecation), and in checkpatch.pl (to help migrate host-only
tools/ usage). Long live strscpy().

Link: https://github.com/KSPP/linux/issues/89 [1]
Cc: Azeem Shaikh <azeemshaikh38@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: linux-hardening@vger.kernel.org
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
 2024-01-19 11:59:11 -08:00
Kees Cook
e28b035958 bcachefs: Replace strlcpy() with strscpy() 
strlcpy() reads the entire source buffer first. This read may exceed
the destination size limit. This is both inefficient and can lead
to linear read overflows if a source string is not NUL-terminated[1].
Additionally, it returns the size of the source string, not the
resulting size of the destination string. In an effort to remove strlcpy()
completely[2], replace strlcpy() here with strscpy().

Nothing checks the return value here, so a direct replacement with
strspy() is possible.

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [1]
Link: https://github.com/KSPP/linux/issues/89 [2]
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Brian Foster <bfoster@redhat.com>
Cc:  <linux-bcachefs@vger.kernel.org>
Link: https://lore.kernel.org/r/20240110235438.work.385-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
 2024-01-18 12:29:21 -08:00
Linus Torvalds
b0d326da46 Fix a cpufreq related performance regression on certain systems, 
where the CPU would remain at the lowest frequency, degrading
 performance substantially.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2024-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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

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

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

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

   - xhci driver updates

   - dwc3 driver updates

   - uvc_video gadget driver updates

   - typec driver updates

   - gadget string functions cleaned up

   - other small changes

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

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

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

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

  Along with those, in here are changes for:

   - sc16is7xx serial driver updates

   - platform driver removal api updates

   - amba-pl011 driver updates

   - tty driver binding updates

   - other small tty/serial driver updates and changes

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

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

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

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

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

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

  Included in here are:

   - more driver core 'const' cleanups and fixes

   - fw_devlink=rpm is now the default behavior

   - kernfs tiny changes to remove some string functions

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

   - other minor changes and cleanups

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

* tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (51 commits)
  Revert "kernfs: convert kernfs_idr_lock to an irq safe raw spinlock"
  kernfs: convert kernfs_idr_lock to an irq safe raw spinlock
  class: fix use-after-free in class_register()
  PM: clk: make pm_clk_add_notifier() take a const pointer
  EDAC: constantify the struct bus_type usage
  kernfs: fix reference to renamed function
  driver core: device.h: fix Excess kernel-doc description warning
  driver core: class: fix Excess kernel-doc description warning
  driver core: mark remaining local bus_type variables as const
  driver core: container: make container_subsys const
  driver core: bus: constantify subsys_register() calls
  driver core: bus: make bus_sort_breadthfirst() take a const pointer
  kernfs: d_obtain_alias(NULL) will do the right thing...
  driver core: Better advertise dev_err_probe()
  kernfs: Convert kernfs_path_from_node_locked() from strlcpy() to strscpy()
  kernfs: Convert kernfs_name_locked() from strlcpy() to strscpy()
  kernfs: Convert kernfs_walk_ns() from strlcpy() to strscpy()
  initramfs: Expose retained initrd as sysfs file
  fs/kernfs/dir: obey S_ISGID
  kernel/cgroup: use kernfs_create_dir_ns()
  ...
 2024-01-18 09:48:40 -08:00
Linus Torvalds
296455ade1 Char/Misc and other Driver changes for 6.8-rc1 
Here is the big set of char/misc and other driver subsystem changes for
 6.8-rc1.  Lots of stuff in here, but first off, you will get a merge
 conflict in drivers/android/binder_alloc.c when merging this tree due to
 changing coming in through the -mm tree.
 
 The resolution of the merge issue can be found here:
 	https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au
 or in a simpler patch form in that thread:
 	https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com
 
 If there are issues with the merge of this file, please let me know.
 
 Other than lots of binder driver changes (as you can see by the merge
 conflicts) included in here are:
  - lots of iio driver updates and additions
  - spmi driver updates
  - eeprom driver updates
  - firmware driver updates
  - ocxl driver updates
  - mhi driver updates
  - w1 driver updates
  - nvmem driver updates
  - coresight driver updates
  - platform driver remove callback api changes
  - tags.sh script updates
  - bus_type constant marking cleanups
  - lots of other small driver updates
 
 All of these have been in linux-next for a while with no reported issues
 (other than the binder merge conflict.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

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

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

   - lots of iio driver updates and additions

   - spmi driver updates

   - eeprom driver updates

   - firmware driver updates

   - ocxl driver updates

   - mhi driver updates

   - w1 driver updates

   - nvmem driver updates

   - coresight driver updates

   - platform driver remove callback api changes

   - tags.sh script updates

   - bus_type constant marking cleanups

   - lots of other small driver updates

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

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

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

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

   - Add MMCONFIG/ECAM debug logging (Bjorn Helgaas)

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

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

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

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

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

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

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

  Resource management:

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

  Driver binding:

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

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

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

  Virtualization:

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

  Error handling:

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

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

  Endpoint framework:

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

  Broadcom STB PCIe controller driver:

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

  Freescale Layerscape PCIe controller driver:

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

  MediaTek PCIe controller driver:

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

  MediaTek PCIe Gen3 controller driver:

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

  Qualcomm PCIe controller driver:

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

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

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

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

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

  Renesas R-Car PCIe controller driver:

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

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

  SiFive FU740 PCIe controller driver:

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

  Synopsys DesignWare PCIe controller driver:

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

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

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

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

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

  TI J721E PCIe driver:

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

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

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

  TI Keystone PCIe controller driver:

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

  Xilinx XDMA PCIe controller driver:

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

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

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

  MicroSemi Switchtec management driver:

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

  Miscellaneous:

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

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

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

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

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

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

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

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

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

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

  Core changes:

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

  New drivers:

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

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

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

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

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

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

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

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

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

  Improvements:

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

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

   - Enble 910 Ohm bias in the Intel Tangier driver.

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

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

Pull HSI update from Sebastian Reichel:

 - modernize IDA API

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

Pull mailbox updates from Jassi Brar:

 - add CMDQ support for mediatek mt8188

 - mhuv2: fix channel window status

 - qcom: document X1E80100 IPC controller and misc cleanup

 - add Versal bindings to xlnx

 - Convert to platform remove callback returning void

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

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

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

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

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

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

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

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

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

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

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

Pull hwspinlock updates from Bjorn Andersson:

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

 - Drop unused compatible in the Qualcomm TCSR mutex driver

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

Pull remoteproc updates from Bjorn Andersson:

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

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

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

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

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

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

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

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

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

  v3d:
   - register readout fix

  rockchip:
   - two build warning fixes

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

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

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

  Specifics:

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

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

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

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

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

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

  Specifics:

   - Make pnp_bus_type const (Greg Kroah-Hartman)

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

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

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

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

  Specifics:

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

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

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

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

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

Pull xen updates from Juergen Gross:

 - update some Xen PV interface related headers

 - fix some kernel-doc comments in the xenbus driver

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

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

Pull kvm updates from Paolo Bonzini:
 "Generic:

   - Use memdup_array_user() to harden against overflow.

   - Unconditionally advertise KVM_CAP_DEVICE_CTRL for all
     architectures.

   - Clean up Kconfigs that all KVM architectures were selecting

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

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

  x86:

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

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

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

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

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

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

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

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

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

   - Support for virtualizing Linear Address Masking (LAM)

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

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

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

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

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

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

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

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

  ARM64:

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

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

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

   - A small set of vgic fixes and associated cleanups.

  Loongarch:

   - Optimization for memslot hugepage checking

   - Cleanup and fix some HW/SW timer issues

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

  RISC-V:

   - KVM_GET_REG_LIST improvement for vector registers

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

   - Support for reporting steal time along with selftest

  s390:

   - Bugfixes

  Selftests:

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

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

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

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

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

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

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

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

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

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

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

Pull Xtensa updates from Max Filippov:

 - small cleanups in the xtensa PCI and asmmacro code

 - fix kernel build with FDPIC toolchain

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

Pull ARM updates from Russell King:

 - add missing neon instructions for the neon support hook

 - arrange for davinci to select PINCTRL

 - try VMA lock-base page fault handling first

 - use memblock_alloc_try_nid_raw() for kasan shadow page

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

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

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

   - enable NFS, Marvell phy

   - sync defconfig with the latest Kconfig layout"

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

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

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

Pull RISC-V updates from Palmer Dabbelt:

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

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

 - Support for the which-cpus flavor of hwprobe

 - Support for XIP kernels has been resurrected

* tag 'riscv-for-linus-6.8-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (52 commits)
  riscv: hwprobe: export Zicond extension
  riscv: hwprobe: export Zacas ISA extension
  riscv: add ISA extension parsing for Zacas
  dt-bindings: riscv: add Zacas ISA extension description
  riscv: hwprobe: export Ztso ISA extension
  riscv: add ISA extension parsing for Ztso
  use linux/export.h rather than asm-generic/export.h
  riscv: Remove SHADOW_OVERFLOW_STACK_SIZE macro
  riscv; fix __user annotation in save_v_state()
  riscv: fix __user annotation in traps_misaligned.c
  riscv: Select ARCH_WANTS_NO_INSTR
  riscv: Remove obsolete rv32_defconfig file
  riscv: Allow disabling of BUILTIN_DTB for XIP
  riscv: Fixed wrong register in XIP_FIXUP_FLASH_OFFSET macro
  riscv: Make XIP bootable again
  riscv: Fix set_direct_map_default_noflush() to reset _PAGE_EXEC
  riscv: Fix module_alloc() that did not reset the linear mapping permissions
  riscv: Fix wrong usage of lm_alias() when splitting a huge linear mapping
  riscv: Check if the code to patch lies in the exit section
  riscv: Use the same CPU operations for all CPUs
  ...
 2024-01-17 10:50:46 -08:00
Linus Torvalds
6cff79f4b9 This pull request contains the following changes for UML: 
- Clang coverage support
 - Many cleanups from Benjamin Berg
 - Various minor fixes
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Merge tag 'uml-for-linus-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Richard Weinberger:

 - Clang coverage support

 - Many cleanups from Benjamin Berg

 - Various minor fixes

* tag 'uml-for-linus-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
  um: Mark 32bit syscall helpers as clobbering memory
  um: Remove unused register save/restore functions
  um: Rely on PTRACE_SETREGSET to set FS/GS base registers
  Documentation: kunit: Add clang UML coverage example
  arch: um: Add Clang coverage support
  um: time-travel: fix time corruption
  um: net: Fix return type of uml_net_start_xmit()
  um: Always inline stub functions
  um: Do not use printk in userspace trampoline
  um: Reap winch thread if it fails
  um: Do not use printk in SIGWINCH helper thread
  um: Don't use vfprintf() for os_info()
  um: Make errors to stop ptraced child fatal during startup
  um: Drop NULL check from start_userspace
  um: Drop support for hosts without SYSEMU_SINGLESTEP support
  um: document arch_futex_atomic_op_inuser
  um: mmu: remove stub_pages
  um: Fix naming clash between UML and scheduler
  um: virt-pci: fix platform map offset
 2024-01-17 10:44:34 -08:00
Linus Torvalds
0c6bc37255 This pull request contains updates for UBI and UBIFS: 
UBI:
 	- Use in-tree fault injection framework and add new injection types
 	- Fix for a memory leak in the block driver
 
 UBIFS:
 	- kernel-doc fixes
 	- Various minor fixes
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Merge tag 'ubifs-for-linus-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBI and UBIFS updates from Richard Weinberger:
 "UBI:
   - Use in-tree fault injection framework and add new injection types
   - Fix for a memory leak in the block driver

  UBIFS:
   - kernel-doc fixes
   - Various minor fixes"

* tag 'ubifs-for-linus-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  ubi: block: fix memleak in ubiblock_create()
  ubifs: fix kernel-doc warnings
  mtd: Add several functions to the fail_function list
  ubi: Reserve sufficient buffer length for the input mask
  ubi: Add six fault injection type for testing
  ubi: Split io_failures into write_failure and erase_failure
  ubi: Use the fault injection framework to enhance the fault injection capability
  ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path
  ubifs: Check @c->dirty_[n|p]n_cnt and @c->nroot state under @c->lp_mutex
  ubifs: describe function parameters
  ubifs: auth.c: fix kernel-doc function prototype warning
  ubifs: use crypto_shash_tfm_digest() in ubifs_hmac_wkm()
 2024-01-17 10:27:13 -08:00
Linus Torvalds
eebe75827b fscrypt fix for 6.8-rc1 
Fix a bug in my change to how f2fs frees its superblock info (which was
 part of changing the timing of fscrypt keyring destruction).
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux

Pull fscrypt fix from Eric Biggers:
 "Fix a bug in my change to how f2fs frees its superblock info (which
  was part of changing the timing of fscrypt keyring destruction)"

* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
  f2fs: fix double free of f2fs_sb_info
 2024-01-17 10:23:34 -08:00
Linus Torvalds
c2459ce011 vfs-6.8-rc1.fixes 
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Merge tag 'vfs-6.8-rc1.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

Pull vfs fixes from Christian Brauner:
 "This contains two fixes for the current merge window. The listmount
  changes that you requested and a fix for a fsnotify performance
  regression:

   - The proposed listmount changes are currently under my authorship. I
     wasn't sure whether you'd wanted to be author as the patch wasn't
     signed off. If you do I'm happy if you just apply your own patch.

     I've tested the patch with my sh4 cross-build setup. And confirmed
     that a) the build failure with sh on current upstream is
     reproducible and that b) the proposed patch fixes the build
     failure. That should only leave the task of fixing put_user on sh.

   - The fsnotify regression was caused by moving one of the hooks out
     of the security hook in preparation for other fsnotify work. This
     meant that CONFIG_SECURITY would have compiled out the fsnotify
     hook before but didn't do so now.

     That lead to up to 6% performance regression in some io_uring
     workloads that compile all fsnotify and security checks out. Fix
     this by making sure that the relevant hooks are covered by the
     already existing CONFIG_FANOTIFY_ACCESS_PERMISSIONS where the
     relevant hook belongs"

* tag 'vfs-6.8-rc1.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
  fs: rework listmount() implementation
  fsnotify: compile out fsnotify permission hooks if !FANOTIFY_ACCESS_PERMISSIONS
 2024-01-17 09:34:25 -08:00
Linus Torvalds
7f5e47f785 17 hotfixes. 10 address post-6.7 issues and the other 7 are cc:stable. 
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Merge tag 'mm-hotfixes-stable-2024-01-12-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc hotfixes from Andrew Morton:
 "For once not mostly MM-related.

  17 hotfixes. 10 address post-6.7 issues and the other 7 are cc:stable"

* tag 'mm-hotfixes-stable-2024-01-12-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  userfaultfd: avoid huge_zero_page in UFFDIO_MOVE
  MAINTAINERS: add entry for shrinker
  selftests: mm: hugepage-vmemmap fails on 64K page size systems
  mm/memory_hotplug: fix memmap_on_memory sysfs value retrieval
  mailmap: switch email for Tanzir Hasan
  mailmap: add old address mappings for Randy
  kernel/crash_core.c: make __crash_hotplug_lock static
  efi: disable mirror feature during crashkernel
  kexec: do syscore_shutdown() in kernel_kexec
  mailmap: update entry for Manivannan Sadhasivam
  fs/proc/task_mmu: move mmu notification mechanism inside mm lock
  mm: zswap: switch maintainers to recently active developers and reviewers
  scripts/decode_stacktrace.sh: optionally use LLVM utilities
  kasan: avoid resetting aux_lock
  lib/Kconfig.debug: disable CONFIG_DEBUG_INFO_BTF for Hexagon
  MAINTAINERS: update LTP maintainers
  kdump: defer the insertion of crashkernel resources
 2024-01-17 09:31:36 -08:00
Rafael J. Wysocki
5b5268cd49 Merge branches 'pnp', 'acpi-resource' and 'acpica' 
Merge a PNP change, new ACPI IRQ management quirks and a small ACPICA
code update for 6.8-rc1:

 - Make pnp_bus_type const (Greg Kroah-Hartman).

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

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

* pnp:
  PNP: make pnp_bus_type const

* acpi-resource:
  ACPI: resource: Skip IRQ override on ASUS ExpertBook B1502CGA
  ACPI: resource: Add DMI quirks for ASUS Vivobook E1504GA and E1504GAB

* acpica:
  ACPICA: MADT: Add new MADT GICC/GICR/ITS non-coherent flags handling
  ACPICA: MADT: Add GICC online capable bit handling
 2024-01-16 12:44:35 +01:00
Rafael J. Wysocki
dd75558b2d Merge branches 'thermal-core' and 'thermal-intel' 
Merge additional updates for 6.8-rc1 in the thermal core and in the
Intel HFI thermal driver:

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

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

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

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

* thermal-core:
  thermal/debugfs: Unlock on error path in thermal_debug_tz_trip_up()
  thermal: gov_power_allocator: avoid inability to reset a cdev
  thermal: helpers: Rearrange thermal_cdev_set_cur_state()
  thermal: netlink: Rework notify API for cooling devices
  thermal: core: Use kstrdup_const() during cooling device registration
  thermal/debugfs: Add thermal debugfs information for mitigation episodes
  thermal/debugfs: Add thermal cooling device debugfs information
  thermal: netlink: Pass thermal zone pointer to notify routines
  thermal: netlink: Drop thermal_notify_tz_trip_add/delete()
  thermal: netlink: Pass pointers to thermal_notify_tz_trip_up/down()
  thermal: netlink: Pass pointers to thermal_notify_tz_trip_change()

* thermal-intel:
  thermal: intel: hfi: Add syscore callbacks for system-wide PM
 2024-01-16 12:33:15 +01:00
Rafael J. Wysocki
9223614ea7 Merge branches 'pm-sleep', 'pm-cpufreq' and 'pm-qos' into pm 
* pm-sleep:
  PM: sleep: Restore asynchronous device resume optimization

* pm-cpufreq:
  Documentation: admin-guide: PM: Fix two typos
  cpufreq: intel_pstate: Update hybrid scaling factor for Meteor Lake

* pm-qos:
  PM: QoS: Use kcalloc() instead of kzalloc()
 2024-01-16 12:23:24 +01:00
Vincent Guittot
e37617c8e5 sched/fair: Fix frequency selection for non-invariant case 
Linus reported a ~50% performance regression on single-threaded
workloads on his AMD Ryzen system, and bisected it to:

  9c0b4bb7f6 ("sched/cpufreq: Rework schedutil governor performance estimation")

When frequency invariance is not enabled, get_capacity_ref_freq(policy)
is supposed to return the current frequency and the performance margin
applied by map_util_perf(), enabling the utilization to go above the
maximum compute capacity and to select a higher frequency than the current one.

After the changes in 9c0b4bb7f6, the performance margin was applied
earlier in the path to take into account utilization clampings and
we couldn't get a utilization higher than the maximum compute capacity,
and the CPU remained 'stuck' at lower frequencies.

To fix this, we must use a frequency above the current frequency to
get a chance to select a higher OPP when the current one becomes fully used.
Apply the same margin and return a frequency 25% higher than the current
one in order to switch to the next OPP before we fully use the CPU
at the current one.

[ mingo: Clarified the changelog. ]

Fixes: 9c0b4bb7f6 ("sched/cpufreq: Rework schedutil governor performance estimation")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Bisected-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Wyes Karny <wkarny@gmail.com>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Wyes Karny <wkarny@gmail.com>
Link: https://lore.kernel.org/r/20240114183600.135316-1-vincent.guittot@linaro.org
 2024-01-16 10:41:25 +01:00
Bjorn Helgaas
7119ca35ee Merge branch 'pci/misc' 
- Drop unused struct pci_driver.node member (Mathias Krause)

- Fix documentation typos (Attreyee Mukherjee)

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

- Fix kernel-doc issues (Bjorn Helgaas)

* pci/misc:
  PCI: Fix kernel-doc issues
  misc: pci_endpoint_test: Use a unique test pattern for each BAR
  docs: PCI: Fix typos
  PCI: Remove unused 'node' member from struct pci_driver
 2024-01-15 12:10:41 -06:00
Bjorn Helgaas
9946bbb3ed Merge branch 'pci/dt-bindings' 
- Increase qcom iommu-map maxItems to accommodate SDX55 (five entries) and
  SDM845 (sixteen entries) (Krzysztof Kozlowski)

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

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

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

- Document rockchip optional PCIe reference clock input (Heiko Stuebner)

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

* pci/dt-bindings:
  dt-bindings: PCI: qcom: Document the SM8650 PCIe Controller
  dt-bindings: PCI: dwc: rockchip: Document optional PCIe reference clock input
  dt-bindings: PCI: qcom: Correct reset-names property
  dt-bindings: PCI: qcom: Correct clocks for SM8150
  dt-bindings: PCI: qcom: Correct clocks for SC8180x
  dt-bindings: PCI: qcom: Adjust iommu-map for different SoC
 2024-01-15 12:10:41 -06:00
Bjorn Helgaas
eddcaefa5f Merge branch 'pci/remove-old-api' 
- In dw-xdata-pcie, pci_endpoint_test, and vmd, replace usage of deprecated
  ida_simple_*() API with ida_alloc() and ida_free() (Christophe JAILLET)

* pci/remove-old-api:
  dw-xdata: Remove usage of the deprecated ida_simple_*() API
  misc: pci_endpoint_test: Remove usage of the deprecated ida_simple_*() API
  PCI: vmd: Remove usage of the deprecated ida_simple_*() API
 2024-01-15 12:10:41 -06:00
Bjorn Helgaas
d43e4239f0 Merge branch 'pci/endpoint' 
- Make struct pci_epc_event_ops and struct pci_epf_ops instances const
  (Lars-Peter Clausen)

* pci/endpoint:
  PCI: endpoint: pci-epf-test: Make struct pci_epf_ops const
  PCI: endpoint: pci-epf-vntb: Make struct pci_epf_ops const
  PCI: endpoint: pci-epf-ntb: Make struct pci_epf_ops const
  PCI: endpoint: pci-epf-mhi: Make structs pci_epf_ops and pci_epf_event_ops const
  PCI: endpoint: Make struct pci_epf_ops in pci_epf_driver const
 2024-01-15 12:10:40 -06:00
Bjorn Helgaas
dc14155d46 Merge branch 'pci/irq-clean-up' 
- Rename PCI_IRQ_LEGACY to PCI_IRQ_INTX to be more explicit and match spec
  terminology (Bjorn Helgaas)

- Use existing PCI_IRQ_INTX, PCI_IRQ_MSI, PCI_IRQ_MSIX in artpec6, cadence,
  designware, designware-plat, dra7xx, imx6, keembay, keystone, layerscape,
  mhi, ntb, qcom, rcar, rcar-gen4, rockchip, tegra194, uniphier, vntb; drop
  the redundant pci_epc_irq_type enum with the same values (Damien Le Moal)

- Use "intx" instead of "leg" or "legacy" when describing INTx interrupts
  in endpoint core, endpoint tests, cadence, dra7xx, designware,
  dw-rockchip, dwc core, imx6, keystone, layerscape, qcom, rcar-gen4,
  rockchip, tegra194, uniphier, xilinx-nwl (Damien Le Moal)

* pci/irq-clean-up:
  PCI: xilinx-nwl: Use INTX instead of legacy
  PCI: rockchip-host: Rename rockchip_pcie_legacy_int_handler()
  PCI: rockchip-ep: Use INTX instead of legacy
  PCI: uniphier: Use INTX instead of legacy
  PCI: tegra194: Use INTX instead of legacy
  PCI: dw-rockchip: Rename rockchip_pcie_legacy_int_handler()
  PCI: keystone: Use INTX instead of legacy
  PCI: dwc: Rename dw_pcie_ep_raise_legacy_irq()
  PCI: cadence: Use INTX instead of legacy
  PCI: dra7xx: Rename dra7xx_pcie_raise_legacy_irq()
  misc: pci_endpoint_test: Use INTX instead of LEGACY
  PCI: endpoint: Rename LEGACY to INTX in test function driver
  PCI: endpoint: Use INTX instead of legacy
  PCI: endpoint: Drop PCI_EPC_IRQ_XXX definitions
  PCI: Rename PCI_IRQ_LEGACY to PCI_IRQ_INTX
 2024-01-15 12:10:40 -06:00
Bjorn Helgaas
eb30ad4141 Merge branch 'pci/controller/remove-void-return' 
- Convert exynos, keystone, kirin from .remove() to .remove_new(), which
  returns void instead of int (Uwe Kleine-König)

* pci/controller/remove-void-return:
  PCI: kirin: Convert to platform remove callback returning void
  PCI: keystone: Convert to platform remove callback returning void
  PCI: exynos: Convert to platform remove callback returning void
 2024-01-15 12:10:40 -06:00
Bjorn Helgaas
fd286a1de5 Merge branch 'pci/controller/xilinx' 
- Remove redundant dev_err(), since platform_get_irq() and
  platform_get_irq_byname() already log errors (Yang Li)

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

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

* pci/controller/xilinx:
  PCI: xilinx-xdma: Fix error code in xilinx_pl_dma_pcie_init_irq_domain()
  PCI: xilinx-xdma: Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
  PCI: xilinx-xdma: Remove redundant dev_err()
 2024-01-15 12:10:39 -06:00
Bjorn Helgaas
161d42df9a Merge branch 'pci/controller/vmd' 
- Use ida_alloc() instead of deprecated ida_simple_get() (Christophe JAILLET)

* pci/controller/vmd:
  PCI: vmd: Remove usage of the deprecated ida_simple_xx() API
 2024-01-15 12:10:39 -06:00
Bjorn Helgaas
67b9ef22c6 Merge branch 'pci/controller/rcar' 
- Replace of_device.h with explicit of.h include to untangle header usage
  (Rob Herring)

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

* pci/controller/rcar:
  PCI: rcar-host: Add support for optional regulators
  dt-bindings: PCI: rcar-pci-host: Add optional regulators
  PCI: rcar-gen4: Replace of_device.h with explicit of.h include
 2024-01-15 12:10:38 -06:00
Bjorn Helgaas
1b6069f51e Merge branch 'pci/controller/mediatek' 
- Clear MSI interrupt status before handler to avoid missing MSIs that
  occur after the handler (qizhong cheng)

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

* pci/controller/mediatek:
  PCI: mediatek-gen3: Fix translation window size calculation
  PCI: mediatek: Clear interrupt status before dispatching handler
 2024-01-15 12:10:38 -06:00