- Clean up uniphier-ep reg, clocks, resets, and their names (Kunihiko
Hayashi)
* pci/controller/uniphier:
dt-bindings: PCI: uniphier-ep: Clean up reg, clocks, resets, and their names
- Delay PHY initialization to make boots reliable for ZBT WE1326 and ZBT
WF3526-P and some Netgear models (Sergio Paracuellos)
* pci/controller/mt7621:
PCI: mt7621: Delay phy ports initialization
- Release previously-requested DW eDMA IRQs if request_irq() fails (Serge
Semin)
- Convert DW eDMA linked-list (ll) and data target (dt) from CPU-relative
addresses to PCI bus addresses (Serge Semin)
- Fix missing src/dst address for interleaved transfers (Serge Semin)
- Enforce the DW eDMA restriction that interleaved transfers must increment
src and dst addresses (Serge Semin)
- Fix some invalid interleaved transfer semantics (Serge Semin)
- Convert CPU-relative addresses to PCI bus addresses for eDMA engine
(Serge Semin)
- Drop chancnt initialization from dw-edma-core, since it is managed by the
dmaengine core, e.g., in dma_async_device_channel_register() (Serge Semin)
- Clean up bogus casting of debugfs_entries.reg addresses (Serge Semin)
- Ignore debugfs file/directory creation errors (Serge Semin)
- Allocate debugfs entries from the heap to prepare for multi-eDMA
platforms (Serge Semin)
- Simplify and rework register accessors to remove another obstacle to
multi-eDMA platforms (Serge Semin)
- Consolidate eDMA read/write channels in a single dma_device to simplify,
better reflect the hardware design, and avoid a debugfs complaint (Serge
Semin)
- Move eDMA-specific debugfs nodes into existing dmaengine subdirectory
(Serge Semin)
- Fix a readq_ch() truncation from 64 to 32 bits (Serge Semin)
- Use existing readq()/writeq rather than hand-coding new ones (Serge
Semin)
- Drop unnecessary data target region allocation in favor of existing
dw_edma_chip members (Serge Semin)
- Use parent device in eDMA controller name to prepare for multi-eDMA
platforms (Serge Semin)
- In addition to the existing MMIO accessors for linked list entries, add
support for ioremapped entries for use by eDMA in Root Ports or local
Endpoints (Serge Semin)
- Convert DW_EDMA_PCIE so it depends on DW_EDMA instead of selecting it
(Serge Semin)
- Allow DWC drivers to set streaming DMA masks larger than 32 bits;
previously both streaming and coherent DMA were limited to 32 bits
because some PCI devices only support coherent 32-bit DMA for MSI (Serge
Semin)
- Set 64-bit streaming and coherent DMA mask for the bt1 driver (Serge
Semin)
- Add DW Root Port and Endpoint controller support for eDMA (Serge Semin)
* pci/controller/dwc:
PCI: dwc: Add Root Port and Endpoint controller eDMA engine support
PCI: bt1: Set 64-bit DMA mask
PCI: dwc: Restrict only coherent DMA mask for MSI address allocation
dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers
dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it
dmaengine: dw-edma: Add mem-mapped LL-entries support
dmaengine: dw-edma: Skip cleanup procedure if no private data found
dmaengine: dw-edma: Replace chip ID number with device name
dmaengine: dw-edma: Drop DT-region allocation
dmaengine: dw-edma: Use non-atomic io-64 methods
dmaengine: dw-edma: Fix readq_ch() return value truncation
dmaengine: dw-edma: Use DMA engine device debugfs subdirectory
dmaengine: dw-edma: Join read/write channels into a single device
dmaengine: dw-edma: Move eDMA data pointer to debugfs node descriptor
dmaengine: dw-edma: Simplify debugfs context CSRs init procedure
dmaengine: dw-edma: Rename debugfs dentry variables to 'dent'
dmaengine: dw-edma: Convert debugfs descs to being heap-allocated
dmaengine: dw-edma: Add dw_edma prefix to debugfs nodes descriptor
dmaengine: dw-edma: Stop checking debugfs_create_*() return value
dmaengine: dw-edma: Drop unnecessary debugfs reg casts
dmaengine: dw-edma: Drop chancnt initialization
dmaengine: dw-edma: Add PCI bus address getter to the remote EP glue driver
dmaengine: dw-edma: Add CPU to PCI bus address translation
dmaengine: dw-edma: Fix invalid interleaved xfers semantics
dmaengine: dw-edma: Don't permit non-inc interleaved xfers
dmaengine: dw-edma: Fix missing src/dst address of interleaved xfers
dmaengine: dw-edma: Convert ll/dt phys address to PCI bus/DMA address
dmaengine: dw-edma: Release requested IRQs on failure
dmaengine: Fix dma_slave_config.dst_addr description
- Convert dra7xx to threaded IRQ handler (Manivannan Sadhasivam)
- Move tegra194 dw_pcie_ep_linkup() to threaded IRQ handler (Manivannan
Sadhasivam)
- Add a separate lock for the endpoint pci_epf list to avoid deadlock
while running callbacks (Manivannan Sadhasivam)
- Use callbacks instead of notifier chains to signal events from EPC to EPF
drivers (Manivannan Sadhasivam)
- Use link_up() callback in place of LINK_UP notifier (Manivannan
Sadhasivam)
* pci/endpoint:
PCI: endpoint: Use link_up() callback in place of LINK_UP notifier
PCI: endpoint: Use callback mechanism for passing events from EPC to EPF
PCI: endpoint: Use a separate lock for protecting epc->pci_epf list
PCI: tegra194: Move dw_pcie_ep_linkup() to threaded IRQ handler
PCI: dra7xx: Use threaded IRQ handler for "dra7xx-pcie-main" IRQ
- Avoid FLR for AMD FCH AHCI adapters to avoid a hardware defect (Damien Le
Moal)
- Add ACS quirk for Wangxun NICs that don't allow peer-to-peer between
functions, but don't advertise an ACS Capability (Mengyuan Lou)
* pci/virtualization:
PCI: Add ACS quirk for Wangxun NICs
PCI: Avoid FLR for AMD FCH AHCI adapters
- Realign space as required by bridge windows after dividing it up (Mika
Westerberg)
- Account for space required by other devices on the bus before
distributing it all to bridges (Mika Westerberg)
- Distribute spare resources to root bus devices as well as to other
hotplug bridges (Mika Westerberg)
- Fix bug that dropped root bus resources that end at zero, e.g., a host
bridge that leads only to bus 00 (Geert Uytterhoeven)
* pci/resource:
PCI: Fix dropping valid root bus resources with .end = zero
PCI: Distribute available resources for root buses, too
PCI: Take other bus devices into account when distributing resources
PCI: Align extra resources for hotplug bridges properly
- Always observe reset delay when waking devices from D3cold, e.g., after
system sleep, regardless of whether we're allowed to runtime-suspend to
D3cold (Lukas Wunner)
- Unify reset and resume delays to wait for downstream devices after a
bridge reset (Lukas Wunner)
- Wait for downstream devices after a DPC-induced bridge reset (Lukas
Wunner)
* pci/reset:
PCI/DPC: Await readiness of secondary bus after reset
PCI: Unify delay handling for reset and resume
PCI/PM: Observe reset delay irrespective of bridge_d3
- Account for _S0W when deciding whether to put bridges in D3 to avoid
missing hotplug events (Rafael J. Wysocki)
* pci/pm:
PCI/ACPI: Account for _S0W of the target bridge in acpi_pci_bridge_d3()
- Remove MODULE_LICENSE from boolean drivers so they don't look like
modules so modprobe will complain about them (Nick Alcock)
* pci/kbuild:
PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules
- Add quirk to work around Qualcomm hardware defect in Command Completed
signaling (Manivannan Sadhasivam)
- Remove locking to allow devices to be marked as disconnected immediately
instead of waiting for concurrent bind/unbind to complete (Lukas Wunner)
* pci/hotplug:
PCI: hotplug: Allow marking devices as disconnected during bind/unbind
PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
- Implement portdrv .shutdown() method that calls service driver .remove()
methods (which disables interrupt generation as required by .shutdown()),
but doesn't disable bus mastering (which hangs on Loongson LS7A because
of a hardware defect) (Huacai Chen)
- Prevent MRRS increases for devices below Loongson LS7A to avoid hardware
limitations (Huacai Chen)
- Ignore devices with a firmware (DT/ACPI) node that says the device is
disabled (Rob Herring)
* pci/enumeration:
PCI: Honor firmware's device disabled status
PCI: loongson: Add more devices that need MRRS quirk
PCI: loongson: Prevent LS7A MRRS increases
PCI/portdrv: Prevent LS7A Bus Master clearing on shutdown
- Configure ECRC only if AER is native (Vidya Sagar)
- Stop enabling device error reporting for the downstream hierarchy when
the AER service driver probes a Root Port because we've already done that
when enumerating those downstream devices (Bjorn Helgaas)
* pci/aer:
PCI/AER: Remove redundant Device Control Error Reporting Enable
PCI/AER: Configure ECRC only if AER is native
Since the DW eDMA core now supports eDMA controllers embedded in locally
accessible DW PCIe Root Ports and Endpoints, register these controllers
when possible.
To do that the DW PCIe core driver needs to perform some preparations
first. First of all, it needs to find the eDMA controller CSRs base
address, whether they are accessible over the Port Logic or iATU unrolled
space. Afterwards it can try to auto-detect the eDMA controller
availability and number of read/write channels. If none are found the
procedure silently returns without error.
Secondly, the platform is supposed to provide either combined or
per-channel IRQ signals. If no valid IRQs set is found, the procedure
returns without error to be backward compatible with platforms where DW
PCIe controllers have eDMA but lack the IRQ description.
Finally, before actually probing the eDMA device we need to allocate LLP
items buffers. After that the DW eDMA can be registered. If registration is
successful, a message regarding the number of detected Read/Write eDMA
channels will be printed to the system as is done for the iATU settings.
Note: the DW PCI controller driver (either host or endpoint mode) is
currently always built-in, so if the DW eDMA core is built as a module
(CONFIG_DW_EDMA=m), eDMA controllers will not be registered even if the
dw-edma module is later loaded.
Link: https://lore.kernel.org/r/20230113171409.30470-28-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
The DW PCIe Root Port IP core is synthesized with the 64-bit AXI address
bus. Since the device is also equipped with the eDMA engine, explicitly
set the device DMA mask so DMA engine clients can allocate data buffers
anywhere in the 64-bit memory space.
Link: https://lore.kernel.org/r/20230113171409.30470-27-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The MSI target address must be in the lowest 4GB memory to support PCI
peripherals without 64-bit MSI support. Since the allocation is done from
DMA coherent memory, set only the coherent DMA mask, leaving the streaming
DMA mask alone.
Thus streaming DMA operations will work with no artificial limitations. It
will be specifically useful for the eDMA-capable controllers so the
corresponding DMA engine clients would map the DMA buffers with no need for
SWIOTLB for buffers allocated above 4GB.
Add a brief comment about the reason allocating the MSI target address
below 4GB.
Link: https://lore.kernel.org/r/20230113171409.30470-26-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
When CONFIG_DW_EDMA=m, dw_edma_probe() is built as a module. Previously
edma.h declared it as extern, but the implementation isn't available for
builtin callers. A subsequent commit will add calls from
dw_pcie_host_init() and dw_pcie_ep_init(), which can only be built-in.
Make it safe for such builtin callers to call dw_edma_probe() by using
IS_REACHABLE() to define a stub when CONFIG_DW_EDMA=m.
When CONFIG_DW_EDMA=m, these builtin callers will fail to detect and
register eDMA devices, so eDMA won't be usable even if the dw-edma module
is loaded.
[bhelgaas: split to separate patch, commit log]
Link: https://lore.kernel.org/r/20230113171409.30470-25-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Kconfig "select" is discouraged for visible symbols like DW_EDMA because it
makes it possible to set DW_EDMA even if DW_EDMA depends on things that are
not set (see Documentation/kbuild/kconfig-language.txt).
Convert DW_EDMA_PCIE so it depends on DW_EDMA instead of selecting it.
There will likely be several future drivers that depend on DW_EDMA, so this
uses "if DW_EDMA" to enclose them all rather than repeating "depends on
DW_EDMA" for each.
[bhelgaas: split to separate patch, commit log]
Link: https://lore.kernel.org/r/20230113171409.30470-25-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Currently the DW eDMA driver only supports the linked lists memory
allocated locally with respect to the remote eDMA engine setup. It means
the linked lists will be accessible by the CPU via the MMIO space only. If
eDMA is embedded into the DW PCIe Root Ports or local Endpoints (which
support will be added in subsequent commits) the linked lists are supposed
to be allocated in the CPU memory. In that case the LL-entries can be
directly accessed, while the former case implies using the MMIO accessors
for that.
In order to have both cases supported by the driver, the dw_edma_region
descriptor should be fixed to contain the MMIO-backed and just memory-based
virtual addresses. The linked lists initialization procedure will use one
of them depending on the eDMA device nature. If the eDMA engine is embedded
into the local DW PCIe Root Port/Endpoint controllers, the list entries
will be directly accessed by referencing the corresponding structure
fields. Otherwise the MMIO accessors usage will be preserved.
Link: https://lore.kernel.org/r/20230113171409.30470-24-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Nothing big, cleanups, fixing names, and one small deviation from the
specification fixed.
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Merge tag 'for-linus-6.3-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Small fixes to the SMBus IPMI and IPMB driver.
Nothing big, cleanups, fixing names, and one small deviation from the
specification fixed"
* tag 'for-linus-6.3-1' of https://github.com/cminyard/linux-ipmi:
ipmi: ipmb: Fix the MODULE_PARM_DESC associated to 'retry_time_ms'
ipmi:ssif: Add a timer between request retries
ipmi:ssif: Remove rtc_us_timer
ipmi_ssif: Rename idle state and check
ipmi:ssif: resend_msg() cannot fail
- New drivers
* Infineon TDA38640 Voltage Regulator
* NXP MC34VR500 PMIC
* GXP fan controller
* MPQ7932 Power Management IC
- New chip or board support added to existing drivers
* it87: IT87952E; also other cleanup/improvements
* intel-m10-bmc-hwmon: N6000
* pmbus/max16601: MAX16600
* aquacomputer_d5next: Aquacomputer Aquastream Ultimate, Aquacomputer Poweradjust 3,
Aquacomputer Aquaero
* nct6775: Support for B650/B660/X670 ASUS boards
* oxp-sensors: AYANEO AIR and AIR Pro
- Other notable changes
* Various kernel documentation fixes
* Various devicetree bindings fixes
* Explicitly deprecated [devm_]hwmon_device_register_with_groups
* ftsteutates: Support for fanX_fault and other cleanup
* ltc2945: Support for setting shunt resistor and other cleanup/fixes
* coretemp: Avoid RDMSR interrupts to isolated CPUs,
and simplify platform device handling
- Vaious other minoc cleanups and fixes
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Merge tag 'hwmon-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Infineon TDA38640 Voltage Regulator
- NXP MC34VR500 PMIC
- GXP fan controller
- MPQ7932 Power Management IC
New chip or board support added to existing drivers:
- it87: IT87952E; also other cleanup/improvements
- intel-m10-bmc-hwmon: N6000
- pmbus/max16601: MAX16600
- aquacomputer_d5next: Aquacomputer Aquastream Ultimate, Aquacomputer
Poweradjust 3, Aquacomputer Aquaero
- nct6775: Support for B650/B660/X670 ASUS boards
- oxp-sensors: AYANEO AIR and AIR Pro
Other notable changes:
- Various kernel documentation fixes
- Various devicetree bindings fixes
- Explicitly deprecated [devm_]hwmon_device_register_with_groups
- ftsteutates: Support for fanX_fault and other cleanup
- ltc2945: Support for setting shunt resistor and other cleanup/fixes
- coretemp: Avoid RDMSR interrupts to isolated CPUs, and simplify
platform device handling
... and various other minor cleanups and fixes"
* tag 'hwmon-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (66 commits)
hwmon: Deprecate [devm_]hwmon_device_register_with_groups
hwmon: (mlxreg-fan) Return zero speed for broken fan
hwmon: (gxp-fan-ctrl) use devm_platform_get_and_ioremap_resource()
hwmon: (aquacomputer_d5next) Add support for Aquacomputer Aquastream Ultimate
hwmon: (aquacomputer_d5next) Add support for Aquacomputer Poweradjust 3
hwmon: (iio_hwmon) use dev_err_probe
hwmon: intel-m10-bmc-hwmon: Add N6000 sensors
Docs/hwmon/index: Add missing SPDX License Identifier
hwmon: (it87) Updated documentation for recent updates to it87
hwmon: (it87) Add new chipset IT87952E
hwmon: (it87) Allow multiple chip IDs for force_id
hwmon: (it87) Add chip_id in some info message
hwmon: (it87) List full chip model name
hwmon: (it87) Disable configuration exit for certain chips
hwmon: (it87) Allow disabling exiting of configuration mode
Documentation: hwmon: correct spelling
hwmon: (pmbus/max16601) Add support for MAX16600
hwmon: (ltc2945) Allow setting shunt resistor
hwmon: (ltc2945) Handle error case in ltc2945_value_store
hwmon: (ltc2945) Add devicetree match table
...
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Merge tag 'for-linus-2023022201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Benjamin Tissoires:
- HID-BPF infrastructure: this allows to start using HID-BPF. Note that
the mechanism to ship HID-BPF program through the kernel tree is
still not implemented yet (but is planned).
This should be a no-op for 99% of users. Also we are gaining
kselftests for the HID tree (Benjamin Tissoires)
- Some UAF fixes in workers when using uhid (Pietro Borrello & Benjamin
Tissoires)
- Constify hid_ll_driver (Thomas Weißschuh)
- Allow more custom IIO sensors through HID (Philipp Jungkamp)
- Logitech HID++ fixes for scroll wheel, protocol and debug (Bastien
Nocera)
- Some new device support: Steam Deck (Vicki Pfau), UClogic (José
Expósito), Logitech G923 Xbox Edition steering wheel (Walt Holman),
EVision keyboards (Philippe Valembois)
- other assorted code cleanups and fixes
* tag 'for-linus-2023022201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (99 commits)
HID: mcp-2221: prevent UAF in delayed work
hid: bigben_probe(): validate report count
HID: asus: use spinlock to safely schedule workers
HID: asus: use spinlock to protect concurrent accesses
HID: bigben: use spinlock to safely schedule workers
HID: bigben_worker() remove unneeded check on report_field
HID: bigben: use spinlock to protect concurrent accesses
HID: logitech-hidpp: Add myself to authors
HID: logitech-hidpp: Retry commands when device is busy
HID: logitech-hidpp: Add more debug statements
HID: Add support for Logitech G923 Xbox Edition steering wheel
HID: logitech-hidpp: Add Signature M650
HID: logitech-hidpp: Remove HIDPP_QUIRK_NO_HIDINPUT quirk
HID: logitech-hidpp: Don't restart communication if not necessary
HID: logitech-hidpp: Add constants for HID++ 2.0 error codes
Revert "HID: logitech-hidpp: add a module parameter to keep firmware gestures"
HID: logitech-hidpp: Hard-code HID++ 1.0 fast scroll support
HID: i2c-hid: goodix: Add mainboard-vddio-supply
dt-bindings: HID: i2c-hid: goodix: Add mainboard-vddio-supply
HID: i2c-hid: goodix: Stop tying the reset line to the regulator
...
- Add PINCTRL_PINFUNCTION() macro and use it in several
drivers.
New drivers:
- New driver for the StarFive JH7110 SoC "sys" and "aon"
(always-on) pin controllers. (RISC-V.)
- New subdriver for the Qualcomm QDU1000/QRU1000 SoC pin
controller.
- New subdrivers for the Qualcomm SM8550 SoC and LPASS
pin controllers.
- New subdriver for the Qualcomm SA8775P SoC pin controller.
- New subdriver for the Qualcomm IPQ5332 SoC pin controller.
- New (trivial) support for Qualcomm PM8550 and PMR735D PMIC
pin control.
- New subdriver for the Mediatek MT7981 SoC pin controller.
Improvements:
- Several cleanups and refactorings to the Intel drivers.
- Add 4KOhm bias support to the Intel driver.
- Use the NOIRQ_SYSTEM_SLEEP_PM_OPS for the AT91 driver.
- Support general purpose clocks in the Qualcomm MSM8226 SoC.
- Several conversions to use the new I2C .probe_new() call.
- Massive clean-up of the Qualcomm Device Tree YAML schemas.
- Add VIN[45] pins, groups and functions to the Renesas
r8a77950 SoC driver.
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Merge tag 'pinctrl-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Nothing special, notably a lot of new Qualcomm hardware is supported,
a RISC-V reference SoC and then some cleanups both in code and device
tree bindings.
Core changes:
- Add PINCTRL_PINFUNCTION() macro and use it in several drivers
New drivers:
- New driver for the StarFive JH7110 SoC "sys" and "aon" (always-on)
pin controllers. (RISC-V.)
- New subdriver for the Qualcomm QDU1000/QRU1000 SoC pin controller
- New subdrivers for the Qualcomm SM8550 SoC and LPASS pin
controllers
- New subdriver for the Qualcomm SA8775P SoC pin controller
- New subdriver for the Qualcomm IPQ5332 SoC pin controller
- New (trivial) support for Qualcomm PM8550 and PMR735D PMIC pin
control
- New subdriver for the Mediatek MT7981 SoC pin controller
Improvements:
- Several cleanups and refactorings to the Intel drivers
- Add 4KOhm bias support to the Intel driver
- Use the NOIRQ_SYSTEM_SLEEP_PM_OPS for the AT91 driver
- Support general purpose clocks in the Qualcomm MSM8226 SoC
- Several conversions to use the new I2C .probe_new() call
- Massive clean-up of the Qualcomm Device Tree YAML schemas
- Add VIN[45] pins, groups and functions to the Renesas r8a77950 SoC
driver"
* tag 'pinctrl-v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (118 commits)
pinctrl: qcom: Add support for i2c specific pull feature
pinctrl: starfive: Add StarFive JH7110 aon controller driver
pinctrl: starfive: Add StarFive JH7110 sys controller driver
dt-bindings: pinctrl: Add StarFive JH7110 aon pinctrl
dt-bindings: pinctrl: Add StarFive JH7110 sys pinctrl
pinctrl: add mt7981 pinctrl driver
dt-bindings: pinctrl: add bindings for MT7981 SoC
dt-bindings: pinctrl: rockchip,pinctrl: mark gpio sub nodes of pinctrl as deprecated
pinctrl: qcom: Introduce IPQ5332 TLMM driver
dt-bindings: pinctrl: qcom: add IPQ5332 pinctrl
dt-bindings: pinctrl: qcom: lpass-lpi: correct GPIO name pattern
pinctrl: qcom: pinctrl-sm8550-lpass-lpi: add SM8550 LPASS
dt-bindings: pinctrl: qcom,sm8550-lpass-lpi-pinctrl: add SM8550 LPASS
pinctrl: at91: use devm_kasprintf() to avoid potential leaks
dt-bindings: pinctrl: qcom: correct gpio-ranges in examples
dt-bindings: pinctrl: qcom,msm8994: correct number of GPIOs
dt-bindings: pinctrl: qcom,sdx55: correct GPIO name pattern
dt-bindings: pinctrl: qcom,msm8953: correct GPIO name pattern
dt-bindings: pinctrl: qcom,sm6375: correct GPIO name pattern and example
dt-bindings: pinctrl: qcom,msm8909: correct GPIO name pattern and example
...
The Asus Expertbook B2502FBA has IRQ 1 described as Active_Low
in its ACPI table. However, the kernel overrides this and sets it to
Edge_High, which prevents the internal keyboard from working properly.
Adding this laptop model to the override_table fixes the issue.
Signed-off-by: Vojtech Hejsek <hejsekvojtech@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Core GPIOLIB:
- drop several OF interfaces after moving a significant part of the code to
using software nodes
- remove more interfaces referring to the global GPIO numberspace that we're
getting rid of
- improvements in the gpio-regmap library
- add helper for GPIO device reference counting
- remove unused APIs
- minor tweaks like sorting headers alphabetically
Extended support in existing drivers:
- add support for Tegra 234 PMC to gpio-tegra186
Driver improvements:
- migrate the 104-dio/idi family of drivers to using the regmap-irq API
- migrate gpio-i8255 and gpio-mm to the GPIO regmap API
- clean-ups in gpio-pca953x
- remove duplicate assignments of of_gpio_n_cells in gpio-davinci, gpio-ge,
gpio-xilinx, gpio-zevio and gpio-wcd934x
- improvements to gpio-pcf857x: implement get/set_multiple callbacks, use
generic device properties instead of OF + minor tweaks
- fix OF-related header includes and Kconfig dependencies in gpio-zevio
- dynamically allocate the GPIO base in gpio-omap
- use a dedicated printf specifier for printing fwnode info in gpio-sim
- use dev_name() for the GPIO chip label in gpio-vf610
- other minor tweaks and fixes
Documentation:
- remove mentions of legacy API from comments in various places
- convert the DT binding documents to YAML schema for Fujitsu MB86S7x, Unisoc
GPIO and Unisoc EIC
- document the Unisoc UMS512 controller in DT bindings
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Merge tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"A rather small update, there are no new drivers, just improvements and
refactoring in existing ones.
Thanks to migrating of several drivers to using generalized APIs and
dropping of OF interfaces in favor of using software nodes we're
actually removing more code than we're adding.
Core GPIOLIB:
- drop several OF interfaces after moving a significant part of the
code to using software nodes
- remove more interfaces referring to the global GPIO numberspace
that we're getting rid of
- improvements in the gpio-regmap library
- add helper for GPIO device reference counting
- remove unused APIs
- minor tweaks like sorting headers alphabetically
Extended support in existing drivers:
- add support for Tegra 234 PMC to gpio-tegra186
Driver improvements:
- migrate the 104-dio/idi family of drivers to using the regmap-irq
API
- migrate gpio-i8255 and gpio-mm to the GPIO regmap API
- clean-ups in gpio-pca953x
- remove duplicate assignments of of_gpio_n_cells in gpio-davinci,
gpio-ge, gpio-xilinx, gpio-zevio and gpio-wcd934x
- improvements to gpio-pcf857x: implement get/set_multiple callbacks,
use generic device properties instead of OF + minor tweaks
- fix OF-related header includes and Kconfig dependencies in
gpio-zevio
- dynamically allocate the GPIO base in gpio-omap
- use a dedicated printf specifier for printing fwnode info in
gpio-sim
- use dev_name() for the GPIO chip label in gpio-vf610
- other minor tweaks and fixes
Documentation:
- remove mentions of legacy API from comments in various places
- convert the DT binding documents to YAML schema for Fujitsu
MB86S7x, Unisoc GPIO and Unisoc EIC
- document the Unisoc UMS512 controller in DT bindings"
* tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (54 commits)
gpio: sim: Use %pfwP specifier instead of calling fwnode API directly
gpio: tegra186: remove unneeded loop in tegra186_gpio_init_route_mapping()
gpiolib: of: Move enum of_gpio_flags to its only user
gpio: mvebu: Use IS_REACHABLE instead of IS_ENABLED for CONFIG_PWM
gpio: zevio: Add missing header
gpio: Get rid of gpio_to_chip()
gpio: pcf857x: Drop unneeded explicit casting
gpio: pcf857x: Make use of device properties
gpio: pcf857x: Get rid of legacy platform data
gpio: rockchip: Do not mention legacy API in the code
gpio: wcd934x: Remove duplicate assignment of of_gpio_n_cells
gpio: zevio: Use proper headers and drop OF_GPIO dependency
gpio: zevio: Remove duplicate assignment of of_gpio_n_cells
gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
dt-bindings: gpio: Add compatible string for Unisoc UMS512
dt-bindings: gpio: Convert Unisoc EIC controller binding to yaml
dt-bindings: gpio: Convert Unisoc GPIO controller binding to yaml
gpio: ge: Remove duplicate assignment of of_gpio_n_cells
gpio: davinci: Remove duplicate assignment of of_gpio_n_cells
gpio: omap: use dynamic allocation of base
...
This has been a fairly quiet release for SPI, though it is likely that
the next release will have some big changes as there's some preparatory
work for multiple chip select support gone in - the rest of the code is
on the list but will need to be rebased onto -rc1. Otherwise there's a couple
of new tunables for chip select timings, some new devices and smaller
device specific updates and fixes.
- Support for configuring the hold and minimum inactive times for chip
selects.
- Beginnings of support for supporting devices which have multiple chip
selects on a single device.
- Support for newer Broadcom HSSPI and Intel controllers, Silicon Labs
EM3581 and SI3210.
There is a simple add/add conflict in MAINTAINERS with the I2C tree.
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Merge tag 'spi-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This has been a fairly quiet release for SPI, though it is likely that
the next release will have some big changes as there's some
preparatory work for multiple chip select support gone in - the rest
of the code is on the list but will need to be rebased onto -rc1.
Otherwise there's a couple of new tunables for chip select timings,
some new devices and smaller device specific updates and fixes.
- Support for configuring the hold and minimum inactive times for
chip selects.
- Beginnings of support for supporting devices which have multiple
chip selects on a single device.
- Support for newer Broadcom HSSPI and Intel controllers, Silicon
Labs EM3581 and SI3210"
* tag 'spi-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (67 commits)
spi: dt-bindings: qcom,spi-qcom-qspi: document OPP and power-domains
spi: spidev: drop the incorrect notice from Kconfig
spi: bcm63xx-hsspi: fix error code in probe
spi: bcmbca-hsspi: Fix error code in probe() function
spi: synquacer: Fix timeout handling in synquacer_spi_transfer_one()
spi: intel: Check number of chip selects after reading the descriptor
spi: xilinx: add force_irq for QSPI mode
spi: spi-st-ssc: convert to DT schema
spi: Reorder fields in 'struct spi_transfer'
spi: cadence-quadspi: use STIG mode for small reads
spi: cadence-quadspi: setup ADDR Bits in cmd reads
spi: cadence-quadspi: Add flag for direct mode writes
spi: cadence-quadspi: Reset CMD_CTRL Reg on cmd r/w completion
MAINTAINERS: Remove file reference for Broadcom Broadband SoC HS SPI driver entry
spi: bcm63xx-hsspi: bcmbca-hsspi: fix _be16 type usage
MAINTAINERS: Add entry for Broadcom Broadband SoC HS SPI drivers
spi: bcmbca-hsspi: Add driver for newer HSSPI controller
spi: bcm63xx-hsspi: Disable spi mem dual io read op support
spi: spi-mem: Allow controller supporting mem_ops without exec_op
spi: bcm63xx-hsspi: Add prepend mode support
...
This has been a very quiet release for the regulator API, there's one
new driver for the Maxim MAX20411, some DT schema conversions and some
small tweaks and improvements but really nothing major at all.
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Merge tag 'regulator-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This has been a very quiet release for the regulator API: there's one
new driver for the Maxim MAX20411, some DT schema conversions and some
small tweaks and improvements but really nothing major at all"
* tag 'regulator-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (22 commits)
regulator: max597x: Align for simple_mfd_i2c driver
regulator: max20411: Fix off-by-one for n_voltages setting
regulator: max597x: Remove unused variable
regulator: tps65219: use generic set_bypass()
regulator: s5m8767: Bounds check id indexing into arrays
regulator: max77802: Bounds check regulator id against opmode
regulator: max20411: Convert to i2c's .probe_new()
regulator: scmi: Allow for zero voltage domains
regulator: max20411: Directly include bitfield.h
regulator: Introduce Maxim MAX20411 Step-Down converter
regulator: dt-bindings: Describe Maxim MAX20411
regulator: dt-bindings: qcom-labibb: Allow regulator-common properties
regulator: dt-bindings: fixed-regulator: allow gpios property
regulator: tps65219: use IS_ERR() to detect an error pointer
regulator: mcp16502: add enum MCP16502_REG_HPM description
regulator: fixed-helper: use the correct function name in comment
regulator: act8945a: fix non-kernel-doc comments
dt-bindings: regulators: convert non-smd RPM Regulators bindings to dt-schema
regulator: dt-bindings: Convert Fairchild FAN53555 to DT schema
regulator: dt-bindings: qcom,usb-vbus-regulator: change node name
...
A quiet release for regmap, we've seen several cleanups, an update for a
change in the MDIO APIs and one small fix.
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Merge tag 'regmap-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"A quiet release for regmap: we've seen several cleanups, an update for
a change in the MDIO APIs and one small fix"
* tag 'regmap-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap-irq: Remove unused mask_invert flag
regmap-irq: Remove unused type_invert flag
regmap: Reorder fields in 'struct regmap_bus' to save some memory
regmap: apply reg_base and reg_downshift for single register ops
modpost reports section mismatch errors/warnings:
WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data)
WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data)
WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data)
This "(unknown) (section: .init.data)" all refer to svm_x86_ops.
Tag svm_hv_hardware_setup() with __init to fix a modpost warning as the
non-stub implementation accesses __initdata (svm_x86_ops), i.e. would
generate a use-after-free if svm_hv_hardware_setup() were actually invoked
post-init. The helper is only called from svm_hardware_setup(), which is
also __init, i.e. lack of __init is benign other than the modpost warning.
Fixes: 1e0c7d4075 ("KVM: SVM: hyper-v: Remote TLB flush for SVM")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Vineeth Pillai <viremana@linux.microsoft.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Cc: stable@vger.kernel.org
Reviewed-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20230222073315.9081-1-rdunlap@infradead.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The majority of works in this cycle are about ASoC spread over trees.
Most of them are for new devices and cleanups / refactoring works,
and not much significant changes are seen in the core side.
Below are some highlights:
ASoC:
- Continued refactoring to move into common helper functions
- Lots of DT schema conversons and stylistic nits
- Continued work on building out the new SOF IPC4 scheme
- Continued work for Intel AVS
- New drivers for Awinc AT88395, Infineon PEB2466, Iron Device
SMA1303, Mediatek MT8188, Realtek RT712, Renesas IDT821034,
Samsung/Tesla FSD SoC I2S, and TI TAS5720A-Q1
ALSA:
- A few cleanups to make the remove callbacks to void returns
- FireWire refactoring and enhancements
- PCM kselftest enhancements
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Merge tag 'sound-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"The majority of works in this cycle are about ASoC spread over trees.
Most of them are for new devices and cleanups / refactoring works, and
not much significant changes are seen in the core side.
Below are some highlights:
ASoC:
- Continued refactoring to move into common helper functions
- Lots of DT schema conversons and stylistic nits
- Continued work on building out the new SOF IPC4 scheme
- Continued work for Intel AVS
- New drivers for Awinc AT88395, Infineon PEB2466, Iron Device
SMA1303, Mediatek MT8188, Realtek RT712, Renesas IDT821034,
Samsung/Tesla FSD SoC I2S, and TI TAS5720A-Q1
ALSA:
- A few cleanups to make the remove callbacks to void returns
- FireWire refactoring and enhancements
- PCM kselftest enhancements"
* tag 'sound-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (398 commits)
ALSA: hda/hdmi: Register with vga_switcheroo on Dual GPU Macbooks
ASoC: soc-ac97: Return correct error codes
ASoC: soc-dapm.h: fixup warning struct snd_pcm_substream not declared
ASoC: cs35l45: Remove separate namespace for tables
ASoC: cs35l45: Remove separate tables module
ASoC: soc-ac97: Convert to agnostic GPIO API
ASoC: dt-bindings: renesas,rsnd.yaml: drop "dmas/dma-names" from "rcar_sound,ssi"
ALSA: hda: cs35l41: Enable Amp High Pass Filter
ALSA: hda: cs35l41: Ensure firmware/tuning pairs are always loaded
ALSA: hda: cs35l41: Correct error condition handling
ASoC: codecs: wcd934x: Use min macro for comparison and assignment
ASoC: Intel: Skylake: Fix struct definition
ASoC: tlv320adcx140: extend list of supported samplerates
ASoC: imx-pcm-rpmsg: Remove unused variable
SoC: rt5682s: Disable jack detection interrupt during suspend
ASoC: SOF: Intel: hda-dsp: Set streaming flag for d0i3
ASoC: SOF: Intel: Enable d0i3 work for ipc4
ASoC: SOF: ipc4: Wake up dsp core before sending ipc msg
ASoC: SOF: Intel: hda-dsp: use set_pm_gate according to ipc version
ASoC: SOF: Introduce a new set_pm_gate() IPC PM op
...
Building a kcsan enabled kernel for x86_64 with gcc-11 results in a lot
of build warnings or errors without CONFIG_CONSTRUCTORS:
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/copy_mc.o'
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/cpu.o'
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/csum-partial_64.o'
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/csum-wrappers_64.o'
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/insn-eval.o'
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/insn.o'
x86_64-linux-ld: error: unplaced orphan section `.ctors.65436' from `arch/x86/lib/misc.o'
The same thing has been reported for mips64. I can't reproduce it for
any other compiler version, so I don't know if constructors are always
required here or if this is a gcc-11 specific implementation detail.
I see no harm in always enabling constructors here, and this reliably
fixes the build warnings for me.
Link: https://lore.kernel.org/lkml/202204181801.r3MMkwJv-lkp@intel.com/T/
Cc: Kees Cook <keescook@chromium.org>
See-also: 3e6631485f ("vmlinux.lds.h: Keep .ctors.* with .ctors")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Commit 74e19ef0ff ("uaccess: Add speculation barrier to
copy_from_user()") built fine on x86-64 and arm64, and that's the extent
of my local build testing.
It turns out those got the <linux/nospec.h> include incidentally through
other header files (<linux/kvm_host.h> in particular), but that was not
true of other architectures, resulting in build errors
kernel/bpf/core.c: In function ‘___bpf_prog_run’:
kernel/bpf/core.c:1913:3: error: implicit declaration of function ‘barrier_nospec’
so just make sure to explicitly include the proper <linux/nospec.h>
header file to make everybody see it.
Fixes: 74e19ef0ff ("uaccess: Add speculation barrier to copy_from_user()")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Viresh Kumar <viresh.kumar@linaro.org>
Reported-by: Huacai Chen <chenhuacai@loongson.cn>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When registering huge pages, internally io_uring will split them into
many PAGE_SIZE bvec entries. That's bad for performance as drivers need
to eventually dma-map the data and will do it individually for each bvec
entry. Coalesce huge pages into one large bvec.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Iterating within the first bvec entry should be essentially free, but we
use iov_iter_advance() for that, which shows up in benchmark profiles
taking up to 0.5% of CPU. Replace it with a hand coded version.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If two or more mappings go back to back to each other they can be passed
into io_uring to be registered as a single registered buffer. That would
even work if mappings came from different sources, e.g. it's possible to
mix in this way anon pages and pages from shmem or hugetlb. That is not
a problem but it'd rather be less prone if we forbid such mixing.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Using struct_size() to calculate the size of io_uring_buf_ring will sum
the size of the struct and of the bufs array. However, the struct's fields
are overlaid with the array making the calculated size larger than it
should be.
When registering a ring with N * PAGE_SIZE / sizeof(struct io_uring_buf)
entries, i.e. with fully filled pages, the calculated size will span one
more page than it should and io_uring will try to pin the following page.
Depending on how the application allocated the ring, it might succeed
using an unrelated page or fail returning EFAULT.
The size of the ring should be the product of ring_entries and the size
of io_uring_buf, i.e. the size of the bufs array only.
Fixes: c7fb19428d ("io_uring: add support for ring mapped supplied buffers")
Signed-off-by: Wojciech Lukowicz <wlukowicz01@gmail.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20230218184141.70891-1-wlukowicz01@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This better describes what it does - it's incremented when the task is
currently undergoing a cancelation operation, due to exiting or exec'ing.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We've got a few cases of this, move them to one section and just use
gotos to get there. Reduces the text section on both arm64 and x86-64,
using gcc-12.2.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Commit 0f2cb928a1 ("arm64: consistently pass ESR_ELx to die()") caused
all callers to pass the ESR_ELx value to die().
For consistency, this patch also adds esr to die() call of cfi_handler.
Also, when CFI error occurs, die handlers can use ESR_ELx value.
Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230220073441.2753-1-sangmoon.kim@samsung.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Support for SME without SVE is architecturally valid and has now been tested
well enough so let's remove the warning message that is displayed at boot.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230209-arm64-sme-no-sve-v1-1-74eb3df2f878@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
During page migration, the copy_highpage function is used to copy the
page data to the target page. If the source page is a userspace page
with MTE tags, the KASAN tag of the target page must have the match-all
tag in order to avoid tag check faults during subsequent accesses to the
page by the kernel. However, the target page may have been allocated in
a number of ways, some of which will use the KASAN allocator and will
therefore end up setting the KASAN tag to a non-match-all tag. Therefore,
update the target page's KASAN tag to match the source page.
We ended up unintentionally fixing this issue as a result of a bad
merge conflict resolution between commit e059853d14 ("arm64: mte:
Fix/clarify the PG_mte_tagged semantics") and commit 20794545c1 ("arm64:
kasan: Revert "arm64: mte: reset the page tag in page->flags""), which
preserved a tag reset for PG_mte_tagged pages which was considered to be
unnecessary at the time. Because SW tags KASAN uses separate tag storage,
update the code to only reset the tags when HW tags KASAN is enabled.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Link: https://linux-review.googlesource.com/id/If303d8a709438d3ff5af5fd85706505830f52e0c
Reported-by: "Kuan-Ying Lee (李冠穎)" <Kuan-Ying.Lee@mediatek.com>
Cc: <stable@vger.kernel.org> # 6.1
Fixes: 20794545c1 ("arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags"")
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Link: https://lore.kernel.org/r/20230215050911.1433132-1-pcc@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Bjorn Helgaas