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Add support for the stackleak feature. It initializes the stack with the
poison value before returning from system calls which improves the kernel
security.
At the same time, disables the plugin in EFI stub code because EFI stub
is out of scope for the protection.
Tested on Loongson-3A5000 (enable GCC_PLUGIN_STACKLEAK and LKDTM):
# echo STACKLEAK_ERASING > /sys/kernel/debug/provoke-crash/DIRECT
# dmesg
lkdtm: Performing direct entry STACKLEAK_ERASING
lkdtm: stackleak stack usage:
high offset: 320 bytes
current: 448 bytes
lowest: 1264 bytes
tracked: 1264 bytes
untracked: 208 bytes
poisoned: 14528 bytes
low offset: 64 bytes
lkdtm: OK: the rest of the thread stack is properly erased
Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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If we sanitize error returns, the debug statements need
to come before that so that we don't lose information.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Fixes: 405b0d610745 ("net: usb: aqc111: fix error handling of usbnet read calls")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some bmips SoCs (bcm6362, bcm63268) share the same SPI reset for both SPI
and HSSPI controllers, so reset shouldn't be exclusive.
Fixes: 0eeadddbf09a ("spi: bcm63xx-hsspi: add reset support")
Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250529130915.2519590-3-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some bmips SoCs (bcm6362, bcm63268) share the same SPI reset for both SPI
and HSSPI controllers, so reset shouldn't be exclusive.
Fixes: 38807adeaf1e ("spi: bcm63xx-spi: add reset support")
Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250529130915.2519590-2-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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All callers pass in '-1' for 'slot', hence it can be removed.
Link: https://lore.kernel.org/linux-raid/20250524061320.370630-6-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Xiao Ni <xni@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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bitmap_startwrite() always return 0, and the caller doesn't check return
value as well, hence change the method to void.
Also rename startwrite/endwrite to start_write/end_write, which is more in
line with the usual naming convention.
Link: https://lore.kernel.org/linux-raid/20250524061320.370630-4-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Xiao Ni <xni@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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The comments said 'vaule in kB', while the value actually means the
number of write_behind IOs. And since md-bitmap will automatically
adjust the value to max COUNTER_MAX / 2, there is no need to fail
early.
Also move some macros that is only used md-bitmap.c.
Link: https://lore.kernel.org/linux-raid/20250524061320.370630-15-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Xiao Ni <xni@redhat.com>
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It's supposed to be COUNTER_MAX / 2, not COUNTER_MAX.
Link: https://lore.kernel.org/linux-raid/20250524061320.370630-14-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
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IO with REQ_RAHEAD or REQ_NOWAIT can fail early, even if the storage medium
is fine, hence record badblocks or remove the disk from array does not
make sense.
This problem if found by lvm2 test lvcreate-large-raid, where dm-zero
will fail read ahead IO directly.
Fixes: e879a0d9cb08 ("md/raid1,raid10: don't ignore IO flags")
Reported-and-tested-by: Mikulas Patocka <mpatocka@redhat.com>
Closes: https://lore.kernel.org/all/34fa755d-62c8-4588-8ee1-33cb1249bdf2@redhat.com/
Link: https://lore.kernel.org/linux-raid/20250527081407.3004055-1-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (smartpqi, ufs, lpfc, scsi_debug, target,
hisi_sas) with the only substantive core change being the removal of
the stream_status member from the scsi_stream_status_header (to get
rid of flex array members)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (77 commits)
scsi: target: core: Constify struct target_opcode_descriptor
scsi: target: core: Constify enabled() in struct target_opcode_descriptor
scsi: hisi_sas: Fix warning detected by sparse
scsi: mpt3sas: Fix _ctl_get_mpt_mctp_passthru_adapter() to return IOC pointer
scsi: sg: Remove unnecessary NULL check before unregister_sysctl_table()
scsi: ufs: mcq: Delete ufshcd_release_scsi_cmd() in ufshcd_mcq_abort()
scsi: ufs: qcom: dt-bindings: Document the SM8750 UFS Controller
scsi: mvsas: Fix typos in SAS/SATA VSP register comments
scsi: fnic: Replace memset() with eth_zero_addr()
scsi: ufs: core: Support updating device command timeout
scsi: ufs: core: Change hwq_id type and value
scsi: ufs: core: Increase the UIC command timeout further
scsi: zfcp: Simplify workqueue allocation
scsi: ufs: core: Print error value as hex format in ufshcd_err_handler()
scsi: sd: Remove the stream_status member from scsi_stream_status_header
scsi: docs: Clean up some style in scsi_mid_low_api
scsi: core: Remove unused scsi_dev_info_list_del_keyed()
scsi: isci: Remove unused sci_remote_device_reset()
scsi: scsi_debug: Reduce DEF_ATOMIC_WR_MAX_LENGTH
scsi: smartpqi: Delete a stray tab in pqi_is_parity_write_stream()
...
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Pull VFIO updates from Alex Williamson:
- Remove an outdated DMA unmap optimization that relies on a feature
only implemented in AMDv1 page tables. (Jason Gunthorpe)
- Fix various migration issues in the hisi_acc_vfio_pci variant driver,
including use of a wrong DMA address requiring an update to the
migration data structure, resending task completion interrupt after
migration to re-sync queues, fixing a write-back cache sequencing
issue, fixing a driver unload issue, behaving correctly when the
guest driver is not loaded, and avoiding to squash errors from
sub-functions. (Longfang Liu)
- mlx5-vfio-pci variant driver update to make use of the new two-step
DMA API for migration, using a page array directly rather than using
a page list mapped across a scatter list. (Leon Romanovsky)
- Fix an incorrect loop index used when unwinding allocation of dirty
page bitmaps on error, resulting in temporary failure in freeing
unused bitmaps. (Li RongQing)
* tag 'vfio-v6.16-rc1' of https://github.com/awilliam/linux-vfio:
vfio/type1: Fix error unwind in migration dirty bitmap allocation
vfio/mlx5: Enable the DMA link API
vfio/mlx5: Rewrite create mkey flow to allow better code reuse
vfio/mlx5: Explicitly use number of pages instead of allocated length
hisi_acc_vfio_pci: update function return values.
hisi_acc_vfio_pci: bugfix live migration function without VF device driver
hisi_acc_vfio_pci: bugfix the problem of uninstalling driver
hisi_acc_vfio_pci: bugfix cache write-back issue
hisi_acc_vfio_pci: add eq and aeq interruption restore
hisi_acc_vfio_pci: fix XQE dma address error
vfio/type1: Remove Fine Grained Superpages detection
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Pull IPMI updates from Corey Minyard:
"Restructure the IPMI driver.
This is a restructure of the IPMI driver, mostly to remove SRCU. The
locking had issues, and they were not going to be straightforward to
fix. Plus it used tons of memory and was generally a pain.
Most of this moves handling of messages out of bh and interrupt
context and runs it in thread context. Then getting rid of SRCU is
easy.
This also has a minor cleanup to remove a warning on newer GCCs and to
fix some documentation"
* tag 'for-linus-6.16-1' of https://github.com/cminyard/linux-ipmi: (26 commits)
docs: ipmi: fix spelling and grammar mistakes
ipmi:msghandler: Fix potential memory corruption in ipmi_create_user()
ipmi:watchdog: Use the new interface for panic messages
ipmi:msghandler: Export and fix panic messaging capability
Documentation:ipmi: Remove comments about interrupt level
ipmi:ssif: Fix a shutdown race
ipmi:msghandler: Don't deliver messages to deleted users
ipmi:si: Rework startup of IPMI devices
ipmi:msghandler: Add a error return from unhandle LAN cmds
ipmi:msghandler: Shut down lower layer first at unregister
ipmi:msghandler: Remove proc_fs.h
ipmi:msghandler: Don't check for shutdown when returning responses
ipmi:msghandler: Don't acquire a user refcount for queued messages
ipmi:msghandler: Fix locking around users and interfaces
ipmi:msghandler: Remove some user level processing in panic mode
ipmi: Add a note about the pretimeout callback
ipmi:watchdog: Change lock to mutex
ipmi:msghandler: Remove srcu for the ipmi_interfaces list
ipmi:msghandler: Remove srcu from the ipmi user structure
ipmi:msghandler: Use the system_wq, not system_bh_wq
...
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git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
Pull trusted security manager (TSM) updates from Dan Williams:
- Add a general sysfs scheme for publishing "Measurement" values
provided by the architecture's TEE Security Manager. Use it to
publish TDX "Runtime Measurement Registers" ("RTMRs") that either
maintain a hash of stored values (similar to a TPM PCR) or provide
statically provisioned data. These measurements are validated by a
relying party.
- Reorganize the drivers/virt/coco/ directory for "host" and "guest"
shared infrastructure.
- Fix a configfs-tsm-report unregister bug
- With CONFIG_TSM_MEASUREMENTS joining CONFIG_TSM_REPORTS and in
anticipation of more shared "TSM" infrastructure arriving, rename the
maintainer entry to "TRUSTED SECURITY MODULE (TSM) INFRASTRUCTURE".
* tag 'tsm-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm:
tsm-mr: Fix init breakage after bin_attrs constification by scoping non-const pointers to init phase
sample/tsm-mr: Fix missing static for sample_report
virt: tdx-guest: Transition to scoped_cond_guard for mutex operations
virt: tdx-guest: Refactor and streamline TDREPORT generation
virt: tdx-guest: Expose TDX MRs as sysfs attributes
x86/tdx: tdx_mcall_get_report0: Return -EBUSY on TDCALL_OPERAND_BUSY error
x86/tdx: Add tdx_mcall_extend_rtmr() interface
tsm-mr: Add tsm-mr sample code
tsm-mr: Add TVM Measurement Register support
configfs-tsm-report: Fix NULL dereference of tsm_ops
coco/guest: Move shared guest CC infrastructure to drivers/virt/coco/guest/
configfs-tsm: Namespace TSM report symbols
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ACPICA commit b90d0d65ec97ff8279ad826f4102e0d31c5f662a
I mistakenly replaced strncpy() with memcpy() in commit ebf27765421c
("ACPICA: Replace strncpy() with memcpy()"), not realizing the entire
context behind *why* strncpy() was used.
In this safer implementation of strncpy(), it does not make
sense to use memcpy() only to null-terminate strings passed to
acpi_ut_safe_strncpy() one byte early.
The consequences of doing so are understandably *bad*, as was
evident by the kernel test bot reporting problems [1].
Fixes: ebf27765421c ("ACPICA: Replace strncpy() with memcpy()")
Link: https://lore.kernel.org/all/202505081033.50e45ff4-lkp@intel.com [1]
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202505081033.50e45ff4-lkp@intel.com
Link: https://github.com/acpica/acpica/commit/b90d0d65
Signed-off-by: Ahmed Salem <x0rw3ll@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/12685690.O9o76ZdvQC@rjwysocki.net
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers updates from Ilpo Järvinen:
"The changes are mostly business as usual. Besides pdx86 changes, there
are a few power supply changes needed for related pdx86 features, move
of oxpec driver from hwmon (oxp-sensors) to pdx86, and one FW version
warning to hid-asus.
Highlights:
- alienware-wmi-wmax:
- Add HWMON support
- Add ABI and admin-guide documentation
- Expose GPIO debug methods through debug FS
- Support manual fan control and "custom" thermal profile
- amd/hsmp:
- Add sysfs files to show HSMP telemetry
- Report power readings and limits via hwmon
- amd/isp4: Add AMD ISP platform config for OV05C10
- asus-wmi:
- Refactor Ally suspend/resume to work better with older FW
- hid-asus: check ROG Ally MCU version and warn about old FW versions
- dasharo-acpi:
- Add driver for Dasharo devices supporting fans and temperatures
monitoring
- dell-ddv:
- Expose the battery health and manufacture date to userspace
using power supply extensions
- Implement the battery matching algorithm
- dell-pc:
- Improve error propagation
- Use faux device
- int3472:
- Add delays to avoid GPIO regulator spikes
- Add handshake pin support
- Make regulator supply name configurable and allow registering
more than 1 GPIO regulator
- Map mt9m114 powerdown pin to powerenable
- intel/pmc: Add separate SSRAM Telemetry driver
- intel-uncore-freq: Add attributes to show agent types and die ID
- ISST:
- Support SST-TF revision 2 (allows more cores per bucket)
- Support SST-PP revision 2 (fabric 1 frequencies)
- Remove unnecessary SST MSRs restore (the package retains MSRs
despite CPU offlining)
- mellanox: Add support for SN2201, SN4280, SN5610, and SN5640
- mellanox: mlxbf-pmc: Support additional PMC blocks
- oxpec:
- Add OneXFly variants
- Add support for charge limit, charge thresholds, and turbo LED
- Distinguish current X1 variants to avoid unwanted matching to
new variants
- Follow hwmon conventions
- Move from hwmon/oxp-sensors to platform/x86 to match the
enlarged scope
- power supply:
- Add inhibit-charge-awake (needed by oxpec)
- Add additional battery health status values ("blown fuse" and
"cell imbalance") (needed by dell-ddv)
- powerwell-ec: Add driver for Portwell EC supporting GPIO and watchdog
- thinkpad-acpi: Support camera shutter switch hotkey
- tuxedo: Add virtual LampArray for TUXEDO NB04 devices
- tools/power/x86/intel-speed-select:
- Support displaying SST-PP revision 2 fields
- Skip uncore frequency update on newer generations of CPUs
- Miscellaneous cleanups / refactoring / improvements"
* tag 'platform-drivers-x86-v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (112 commits)
thermal/drivers/acerhdf: Constify struct thermal_zone_device_ops
platform/x86/amd/hsmp: fix building with CONFIG_HWMON=m
platform/x86: asus-wmi: fix build without CONFIG_SUSPEND
docs: ABI: Fix "aassociated" to "associated"
platform/x86: Add AMD ISP platform config for OV05C10
Documentation: admin-guide: pm: Add documentation for die_id
platform/x86/intel-uncore-freq: Add attributes to show die_id
platform/x86/intel: power-domains: Add interface to get Linux die ID
Documentation: admin-guide: pm: Add documentation for agent_types
platform/x86/intel-uncore-freq: Add attributes to show agent types
platform/x86/tuxedo: Prevent invalid Kconfig state
platform/x86: dell-ddv: Expose the battery health to userspace
platform/x86: dell-ddv: Expose the battery manufacture date to userspace
platform/x86: dell-ddv: Implement the battery matching algorithm
power: supply: core: Add additional health status values
platform/x86/amd/hsmp: acpi: Add sysfs files to display HSMP telemetry
platform/x86/amd/hsmp: Report power via hwmon sensors
platform/x86/amd/hsmp: Use a single DRIVER_VERSION for all hsmp modules
platform/mellanox: mlxreg-dpu: Fix smatch warnings
platform: mellanox: nvsw-sn2200: Fix .items in nvsw_sn2201_busbar_hotplug
...
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git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Greg KH:
"Here are the driver core / kernfs changes for 6.16-rc1.
Not a huge number of changes this development cycle, here's the
summary of what is included in here:
- kernfs locking tweaks, pushing some global locks down into a per-fs
image lock
- rust driver core and pci device bindings added for new features.
- sysfs const work for bin_attributes.
The final churn of switching away from and removing the
transitional struct members, "read_new", "write_new" and
"bin_attrs_new" will come after the merge window to avoid
unnecesary merge conflicts.
- auxbus device creation helpers added
- fauxbus fix for creating sysfs files after the probe completed
properly
- other tiny updates for driver core things.
All of these have been in linux-next for over a week with no reported
issues"
* tag 'driver-core-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
kernfs: Relax constraint in draining guard
Documentation: embargoed-hardware-issues.rst: Remove myself
drivers: hv: fix up const issue with vmbus_chan_bin_attrs
firmware_loader: use SHA-256 library API instead of crypto_shash API
docs: debugfs: do not recommend debugfs_remove_recursive
PM: wakeup: Do not expose 4 device wakeup source APIs
kernfs: switch global kernfs_rename_lock to per-fs lock
kernfs: switch global kernfs_idr_lock to per-fs lock
driver core: auxiliary bus: Fix IS_ERR() vs NULL mixup in __devm_auxiliary_device_create()
sysfs: constify attribute_group::bin_attrs
sysfs: constify bin_attribute argument of bin_attribute::read/write()
software node: Correct a OOB check in software_node_get_reference_args()
devres: simplify devm_kstrdup() using devm_kmemdup()
platform: replace magic number with macro PLATFORM_DEVID_NONE
component: do not try to unbind unbound components
driver core: auxiliary bus: add device creation helpers
driver core: faux: Add sysfs groups after probing
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On the SoCFPGA platform, the INTTEST register supports only 16-bit writes.
A 32-bit write triggers an SError to the CPU so do 16-bit accesses only.
[ bp: AI-massage the commit message. ]
Fixes: c7b4be8db8bc ("EDAC, altera: Add Arria10 OCRAM ECC support")
Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@intel.com>
Signed-off-by: Matthew Gerlach <matthew.gerlach@altera.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Cc: stable@kernel.org
Link: https://lore.kernel.org/20250527145707.25458-1-matthew.gerlach@altera.com
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT Bindings:
- Convert all remaining interrupt-controller bindings to DT schema
- Convert Rockchip CDN-DP and Freescale TCON, M4IF, TigerP, LDB, PPC
PMC, imx-drm, and ftm-quaddec to DT schema
- Add bindings for fsl,vf610-pit, fsl,ls1021a-wdt, sgx,vz89te,
maxim,max30208, ti,lp8864, and fairphone,fp5-sndcard
- Add top-level constraints for renesas,vsp1 and renesas,fcp
- Add missing constraint in amlogic,pinctrl-a4 'group' nodes
- Adjust the allowed properties for dwc3-xilinx, sony,imx219,
pci-iommu, and renesas,dsi
- Add EcoNet vendor prefix
- Fix the reserved-memory.yaml in fsl,qman-fqd
- Drop obsolete numa.txt and cpu-topology.txt which are schemas in
dtschema now
- Drop Renesas RZ/N1S bindings
- Ensure Arm cpu nodes don't allow undocumented properties. Add all
the properties which are in use and undocumented. Drop the Mediatek
cpufreq binding which is not a binding, but just what DT properties
the driver uses.
- Add compatibles for Renesas RZ/G3E and RZ/V2N Mali Bifrost GPU
- Update documentation on defining child nodes with separate schemas
- Add bindings to PSCI MAINTAINERS entry
DT core:
- Add new functions to simplify driver handling of 'memory-region'
properties. Users to be added next cycle.
- Simplify of_dma_set_restricted_buffer() to use
of_for_each_phandle()
- Add missing unlock on error in unittest_data_add()"
* tag 'devicetree-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (87 commits)
dt-bindings: timer: Add fsl,vf610-pit.yaml
dt-bindings: gpu: mali-bifrost: Add compatible for RZ/G3E SoC
ASoC: dt-bindings: qcom,sm8250: Add Fairphone 5 sound card
dt-bindings: arm/cpus: Allow 2 power-domains entries
dt-bindings: usb: dwc3-xilinx: allow dma-coherent
media: dt-bindings: sony,imx219: Allow props from video-interface-devices
dt-bindings: soundwire: qcom: Document v2.1.0 version of IP block
dt-bindings: watchdog: fsl-imx-wdt: add compatible string fsl,ls1021a-wdt
dt-bindings: pinctrl: amlogic,pinctrl-a4: Add missing constraint on allowed 'group' node properties
dt-bindings: display: rockchip: Convert cdn-dp-rockchip.txt to yaml
dt-bindings: display: bridge: renesas,dsi: allow properties from dsi-controller
dt-bindings: trivial-devices: Add VZ89TE to trivial
media: dt-bindings: renesas,vsp1: add top-level constraints
media: dt-bindings: renesas,fcp: add top-level constraints
dt-bindings: trivial-devices: Add Maxim max30208
dt-bindings: soc: fsl,qman-fqd: Fix reserved-memory.yaml reference
dt-bindings: interrupt-controller: Convert ti,omap-intc-irq to DT schema
dt-bindings: interrupt-controller: Convert ti,omap4-wugen-mpu to DT schema
dt-bindings: interrupt-controller: Convert ti,keystone-irq to DT schema
dt-bindings: interrupt-controller: Convert technologic,ts4800-irqc to DT schema
...
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Pull virtio updates from Michael Tsirkin:
- A new virtio RTC driver
- vhost scsi now logs write descriptors so migration works
- Some hardening work in virtio core
- An old spec compliance issue fixed in vhost net
- A couple of cleanups, fixes in vringh, virtio-pci, vdpa
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio: reject shm region if length is zero
virtio_rtc: Add RTC class driver
virtio_rtc: Add Arm Generic Timer cross-timestamping
virtio_rtc: Add PTP clocks
virtio_rtc: Add module and driver core
vringh: use bvec_kmap_local
vhost: vringh: Use matching allocation type in resize_iovec()
virtio-pci: Fix result size returned for the admin command completion
vdpa/octeon_ep: Control PCI dev enabling manually
vhost-scsi: log event queue write descriptors
vhost-scsi: log control queue write descriptors
vhost-scsi: log I/O queue write descriptors
vhost-scsi: adjust vhost_scsi_get_desc() to log vring descriptors
vhost: modify vhost_log_write() for broader users
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Currently, the child device for the clock controller inside the APCS block
is created without any OF node assigned, so the drivers need to rely on the
parent device for obtaining any resources.
Add support for defining the clock controller inside a "clock-controller"
subnode to break up circular dependencies between the mailbox and required
parent clocks of the clock controller. For backwards compatibility, if the
subnode is not defined, reuse the OF node from the parent device.
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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For simulation C models that don't run CP FW where adev->mes.sched_version
is not populated correctly. This causes NULL dereference in
amdgpu_amdkfd_free_gtt_mem(dev->adev, (void **)&pqn->q->wptr_bo_gart)
and warning on unpinned BO in amdgpu_bo_gpu_offset(q->properties.wptr_bo).
Compared with adding version check here and there,
always map wptr BO to GART simplifies things.
v2: Add NULL check in amdgpu_amdkfd_free_gtt_mem.(Philip)
Signed-off-by: Lang Yu <lang.yu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Nothing uses them so remove them. Leftover from
MES bring up.
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We need to take the MES lock.
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For supported ASICs DMCU version is exported, but ASICs that support
DMCUB there is no information exported to sysfs.
Add an attribute for DMCUB.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Link: https://lore.kernel.org/r/20250527155942.476354-1-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Enable static metrics support to fetch board voltage and pldm version
for smu_v13_0_14
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Enable static metrics support to fetch board voltage and pldm version
for other smu_v13_0_6 program
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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'struct timing_generator_funcs' are not modified in these drivers.
Constifying these structures moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The function mod_hdcp_hdcp1_enable_encryption() calls the function
get_first_active_display(), but does not check its return value.
The return value is a null pointer if the display list is empty.
This will lead to a null pointer dereference in
mod_hdcp_hdcp2_enable_encryption().
Add a null pointer check for get_first_active_display() and return
MOD_HDCP_STATUS_DISPLAY_NOT_FOUND if the function return null.
Fixes: 2deade5ede56 ("drm/amd/display: Remove hdcp display state with mst fix")
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # v5.8
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after getting mca address for old eeprom records with 'address==0', it can be
correctly parsed under none-nps1, or it will be dropped.
Signed-off-by: ganglxie <ganglxie@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Get MCA address from PA in nps1, then convert MCA address to PA in specific nps
mode.
Signed-off-by: ganglxie <ganglxie@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch is to fix a kfd_prcess ref leak.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add userq fence support to SDMAv6.0
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch removes the if/else statement in the
cik_event_interrupt_wq function because it is redundant
with both branches resulting in identical outcomes,
this improves code readibility.
Signed-off-by: Sunday Clement <Sunday.Clement@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Optimize get gpu metrics data function for smu_v13_0_12 to
allocate metrics structure only once
v2: Free and alloc moved to same function(Kevin)
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The drm_mm allocator tolerated being passed end > mm->size, but the
drm_buddy allocator does not.
Restore the pre-buddy-allocator behavior of allowing such placements.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3448
Signed-off-by: John Olender <john.olender@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The addition of register read-back in VCN v5.0.1 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v5.0.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v4.0.5 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v4.0.3 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v4.0.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v3.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v2.5 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v2.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 50f29ead1f1ba48983b6c5e3813b15e497714f55.
Reason for revert: cause corruption on Dell U3224KB DP2 display.
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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V3: drop changes where readbacks have implemented. This patch set
is to add readbacks only.
V2: use common register UVD_STATUS for readback (standard PCI MMIO
behavior, i.e. readback post all writes to let the writes hit
the hardware)
add readback in ..._stop() for more coverage.
Similar to the changes made for VCN v4.0.5 where readback to post the
writes to avoid race with the doorbell, the addition of register
readback support in other VCN versions is intended to prevent potential
race conditions, even though such issues have not been observed yet.
This change ensures consistency across different VCN variants and helps
avoid similar issues. The overhead introduced is negligible.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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FAMS is the successor to SubVP starting with DCN4x. Reuse the same
debug option to disable FAMS for debugging purposes.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit cfb2d41831ee5647a4ae0ea7c24971a92d5dfa0d since it
causes regressions on certain configs. Revert until the issue can be
isolated and debugged.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4238
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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When running these commands on DUT (and similar at the other end)
ip link set dev eth0 up
ip link add link eth0 name eth0.10 type vlan id 10
ip addr add 10.0.0.1/24 dev eth0.10
ip link set dev eth0.10 up
ping 10.0.0.2
The ping will fail.
The reason why is failing is because, the network interfaces for lan966x
have a flag saying that the HW can insert the vlan tags into the
frames(NETIF_F_HW_VLAN_CTAG_TX). Meaning that the frames that are
transmitted don't have the vlan tag inside the skb data, but they have
it inside the skb. We already get that vlan tag and put it in the IFH
but the problem is that we don't configure the HW to rewrite the frame
when the interface is in host mode.
The fix consists in actually configuring the HW to insert the vlan tag
if it is different than 0.
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Fixes: 6d2c186afa5d ("net: lan966x: Add vlan support.")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://patch.msgid.link/20250528093619.3738998-1-horatiu.vultur@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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commit 083466754596 ("cpufreq: ACPI: Fix max-frequency computation")
modified get_max_boost_ratio() to return the nominal_freq advertised
in the _CPC object. This was for the purposes of computing the maximum
frequency. The frequencies advertised in _CPC objects are in
MHz. However, cpufreq expects the frequency to be in KHz. Since the
nominal_freq returned by get_max_boost_ratio() was not in KHz but
instead in MHz,the cpuinfo_max_frequency that was computed using this
nominal_freq was incorrect and an invalid value which resulted in
cpufreq reporting the P0 frequency as the cpuinfo_max_freq.
Fix this by converting the nominal_freq to KHz before returning the
same from get_max_boost_ratio().
Reported-by: Manu Bretelle <chantr4@gmail.com>
Closes: https://lore.kernel.org/lkml/aDaB63tDvbdcV0cg@HQ-GR2X1W2P57/
Fixes: 083466754596 ("cpufreq: ACPI: Fix max-frequency computation")
Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Cc: 6.14+ <stable@vger.kernel.org> # 6.14+
Link: https://patch.msgid.link/20250529085143.709-1-gautham.shenoy@amd.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2025-05-29
this is a pull request of 1 patch for net/main.
The patch is by Fedor Pchelkin and fixes a slab-out-of-bounds access
in the kvaser_pciefd driver.
linux-can-fixes-for-6.16-20250529
* tag 'linux-can-fixes-for-6.16-20250529' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: kvaser_pciefd: refine error prone echo_skb_max handling logic
====================
Link: https://patch.msgid.link/20250529075313.1101820-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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