And while we are at it remove the reset parameter as it's
no longer needed.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
And while we are at it remove the reset parameter as it's
no longer needed.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The handling is common so extract it to a helper.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Call MES with detect only to get the list of hung queues rather
than detecting an resetting. Then loop over the bad queues
and reset them individually and finally remove them. Skip
queues not owned by KFD.
v2: always call resume_all after queue reset
Reviewed-by: Amber Lin <Amber.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
MES in newer versions on gfx11 and gfx12 can support queue/pipe
reset via MES.
Signed-off-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Update the parameter in SET_HW_RESOURCES API 1. Align with the setting
of enable_lr_compute_wa 2. Add enable_compute_pipe_reset to enable
pipe reset when compute queue reset failes
v2: add driver flags to track when we enable it
Signed-off-by: Shaoyun Liu <shaoyun.liu@amd.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Switch to using the per queue reset rather than
the detect and reset interface.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable per queue reset for MES managed queues.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
No functional change intended. Separate the per queue
reset handling from the adapter reset handling.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Implement a userq reset helper using the doorbell
index.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This makes the code flows cleaner and it's only supported on
the use_mmio path.
v2: fix typo
v3: fix typo
v4: directly clear ACTIVE and DEQUEUE_REQUEST (Shaoyun Liu)
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This makes the code flows cleaner and it's only supported on
the use_mmio path.
v2: fix typo
v3: fix typo
v4: directly clear ACTIVE and DEQUEUE_REQUEST (Shaoyun Liu)
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Refactor gfx_v12_0_reset_compute_pipe() to accept explicit me, pipe, and
queue parameters instead of deriving them from the ring structure. This
enables the function to be used in generic pipe reset flows.
Introduce gfx_v12_0_clear_hqds_on_mec_pipe() to properly clear
CP_HQD_ACTIVE and CP_HQD_DEQUEUE_REQUEST for all queues on a given MEC
pipe while the pipe reset is asserted, ensuring the HQDs are torn down
correctly before deasserting reset.
Switch the KCQ reset path to use the common MEC pipe reset helper
amdgpu_gfx_mec_pipe_reset_run(), which coordinates the reset sequence
including KFD suspend/resume to avoid conflicts with user mode queues.
v2: just update the sequence (Alex)
v3: directly clear ACTIVE and DEQUEUE_REQUEST (Shaoyun Liu)
Suggested-by: Manu Rastogi <manu.rastogi@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Refactor gfx_v11_0_reset_compute_pipe() to accept explicit me, pipe, and
queue parameters instead of deriving them from the ring structure. This
enables the function to be used in generic pipe reset flows.
Introduce gfx_v11_0_clear_hqds_on_mec_pipe() to properly clear
CP_HQD_ACTIVE and CP_HQD_DEQUEUE_REQUEST for all queues on a given MEC
pipe while the pipe reset is asserted, ensuring the HQDs are torn down
correctly before deasserting reset.
Switch the KCQ reset path to use the common MEC pipe reset helper
amdgpu_gfx_mec_pipe_reset_run(), which coordinates the reset sequence
including KFD suspend/resume to avoid conflicts with user mode queues.
v2: just update the sequence (Alex)
v3: directly clear ACTIVE and DEQUEUE_REQUEST (Shaoyun Liu)
Suggested-by: Manu Rastogi <manu.rastogi@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
when suspend_all_gangs is issued to pipe0 MES during system suspend or runtime PM, pipe0 can only suspend and resume queues it has tracked.
KCQs registered with a non-zero pipe slot may not be correctly handled, leaving them in an inconsistent state after resume.
v3: fix the schedule pipe issue
Suggested-by: Michael Chen <michael.chen@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
when suspend_all_gangs is issued to pipe0 MES during system suspend or runtime PM, pipe0 can only suspend and resume queues it has tracked.
KCQs registered with a non-zero pipe slot may not be correctly handled, leaving them in an inconsistent state after resume.
v3: fix the schedule pipe issue
v4: use schedule pipe for KQ resets
Reviewed-by: Michael Chen <michael.chen@amd.com>
Suggested-by: Michael Chen <michael.chen@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
MES remaps kernels queues as part of it's reset sequence.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
MES remaps kernels queues as part of it's reset sequence.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
s/soc21_grbm_select/soc24_grbm_select/
No functional difference as the register offsets are
the same.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Save any unprocessed work in the queues using the
new ring helper.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Save any unprocessed work in the queues using the
new ring helper.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
All the guilty fence parameter to be NULL. Will be needed for
future functionality.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a helper to extract the first amdgpu_fence which has
not yet signalled and is thus guilty or at least collateral
damage.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If we've already seen a fence, don't backup the
ring contents since presumably either the previous reset
was not successful or there was something wrong with the
data.
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Return early in amdgpu_ring_set_fence_errors_and_reemit()
if ring_backup_entries_to_copy is 0. That means that either
the ring is idle and there is nothing to reemit, or there
some reason why we should reemit, so return early and
signal the fences (if applicable).
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
All various fixes:
- Typo breaking the veventq uAPI for 32 bit userspace
- Several Sashiko found errors in the veventq and fault fd paths
- Fix incorrect use of dmabuf locks, and possible races with iommufd
destroy and dmabuf revoke
- Sashiko errors found in the uAPI validation for IOMMU_HWPT_INVALIDATE
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"All various fixes:
- Typo breaking the veventq uAPI for 32 bit userspace
- Several Sashiko found errors in the veventq and fault fd paths
- Fix incorrect use of dmabuf locks, and possible races with iommufd
destroy and dmabuf revoke
- Sashiko errors found in the uAPI validation for IOMMU_HWPT_INVALIDATE"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommu: Avoid copying the user array twice in the full-array copy helper
iommufd/selftest: Add invalidation entry_num and entry_len boundary tests
iommufd: Set upper bounds on cache invalidation entry_num and entry_len
iommufd: Clarify IOAS_MAP_FILE dma-buf support
iommufd: Destroy the pages content after detaching from dmabuf
iommufd: Take dma_resv lock before dma_buf_unpin() in release path
iommufd/selftest: Cover invalid read counts on vEVENTQ FD
iommufd: Avoid partial fault group delivery in iommufd_fault_fops_read()
iommufd: Break the loop on failure in iommufd_fault_fops_read()
iommufd: Reject invalid read count in iommufd_fault_fops_read()
iommufd: Propagate allocation failure in iommufd_veventq_deliver_fetch()
iommufd: Reject invalid read count in iommufd_veventq_fops_read()
iommufd: Rewind header length in done if iommufd_veventq_fops_read() fails
iommufd/selftest: Add boundary tests for veventq_depth
iommufd: Set veventq_depth upper bound
iommufd: Move vevent memory allocation outside spinlock
iommufd: Fix data_len byte-count vs element-count mismatch
iommufd: Use sizeof(*hdr) instead of sizeof(hdr) in veventq read
Including:
Core Code:
- Fix dma-iommu scatterlist length handling in the P2PDMA path.
- Extend the generic IOMMU page-table code with detailed gather
support for more precise invalidations.
- Add pending-gather tracking to generic page-table invalidation
handling.
- Add support for smaller virtual address sizes in the generic AMDv1
page-table format, including KUnit coverage.
- Fix page-size bitmap calculation for smaller VA configurations.
- Rework Arm io-pgtable allocation/freeing to consistently use the
iommu-pages API and address-conversion helpers.
- Add PCI ATS infrastructure for devices that require ATS, including
always-on ATS handling for pre-CXL devices.
AMD IOMMU:
- Fix several IOTLB invalidation details, including PDE handling,
flush-all behavior, and command address encoding.
- Honor IVINFO[VASIZE] when deriving address limits.
- Fix premature loop termination in init_iommu_one().
- Add Hygon family 18h model 4h IOAPIC support.
- Clean up legacy-mode handling, stale comments, dead IVMD
exclusion-range code, and unused address-size macros.
Arm SMMU / Arm SMMU v3:
- SMMUv2:
- Device-tree binding updates for Qualcomm Hawi, Nord and Shikra
SoCs.
- Constain the clocks which can be specified for recent Qualcomm
SoCs.
- Fix broken compatible string for Qualcomm prefetcher
configuration an add new entry for the Glymur MDSS.
- Ensure SMMU is powered-up when writing context bank for Adreno
client.
- SMMUv3:
- Fix off-by-one in queue allocation retry loop.
- Enable hardware update of access/dirty bits from the SMMU.
- Re-jig command construction to use separate inline helpers for
each command type.
Intel VT-d:
- Add the PCI segment number to DMA fault messages.
- Improve support for non-PRI mode SVA.
- Ensure atomicity during context entry teardown.
- Fix RB-tree corruption in the probe error path.
RISC-V IOMMU:
- Add NAPOT range invalidation support.
- Use detailed gather information for invalidation decisions.
- Compute the best stride for single invalidations.
- Advertise Svpbmt support to the generic page-table code.
- Add capability definitions and clean up command macro encoding.
VeriSilicon IOMMU:
- Add a new VeriSilicon IOMMU driver.
- Add devicetree binding documentation and MAINTAINERS coverage.
- Add the RK3588 VeriSilicon IOMMU node.
- Apply small cleanups and warning fixes in the new driver.
Rockchip IOMMU:
- Disable the fetch DTE time limit.
Apple DART:
- Correct a stale CONFIG_PCIE_APPLE macro name in a comment.
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Merge tag 'iommu-updates-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
"Core Code:
- Fix dma-iommu scatterlist length handling in the P2PDMA path
- Extend the generic IOMMU page-table code with detailed gather
support for more precise invalidations
- Add pending-gather tracking to generic page-table invalidation
handling
- Add support for smaller virtual address sizes in the generic AMDv1
page-table format, including KUnit coverage
- Fix page-size bitmap calculation for smaller VA configurations
- Rework Arm io-pgtable allocation/freeing to consistently use the
iommu-pages API and address-conversion helpers
- Add PCI ATS infrastructure for devices that require ATS, including
always-on ATS handling for pre-CXL devices
AMD IOMMU:
- Fix several IOTLB invalidation details, including PDE handling,
flush-all behavior, and command address encoding
- Honor IVINFO[VASIZE] when deriving address limits
- Fix premature loop termination in init_iommu_one()
- Add Hygon family 18h model 4h IOAPIC support
- Clean up legacy-mode handling, stale comments, dead IVMD
exclusion-range code, and unused address-size macros
Arm SMMU / Arm SMMU v3:
- SMMUv2:
- Device-tree binding updates for Qualcomm Hawi, Nord and Shikra
SoCs
- Constrain the clocks which can be specified for recent Qualcomm
SoCs
- Fix broken compatible string for Qualcomm prefetcher
configuration an add new entry for the Glymur MDSS
- Ensure SMMU is powered-up when writing context bank for Adreno
client
- SMMUv3:
- Fix off-by-one in queue allocation retry loop
- Enable hardware update of access/dirty bits from the SMMU
- Re-jig command construction to use separate inline helpers for
each command type
Intel VT-d:
- Add the PCI segment number to DMA fault messages
- Improve support for non-PRI mode SVA
- Ensure atomicity during context entry teardown
- Fix RB-tree corruption in the probe error path
RISC-V IOMMU:
- Add NAPOT range invalidation support
- Use detailed gather information for invalidation decisions
- Compute the best stride for single invalidations
- Advertise Svpbmt support to the generic page-table code
- Add capability definitions and clean up command macro encoding
VeriSilicon IOMMU:
- Add a new VeriSilicon IOMMU driver
- Add devicetree binding documentation and MAINTAINERS coverage
- Add the RK3588 VeriSilicon IOMMU node
- Apply small cleanups and warning fixes in the new driver
Rockchip IOMMU:
- Disable the fetch DTE time limit
Apple DART:
- Correct a stale CONFIG_PCIE_APPLE macro name in a comment"
* tag 'iommu-updates-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (66 commits)
iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path
iommu/amd: Control INVALIDATE_IOMMU_PAGES PDE from the gather
iommu/amd: Make CMD_INV_IOMMU_ALL_PAGES_ADDRESS match the spec
iommu/amd: Have amd_iommu_domain_flush_pages() use last
iommu/amd: Pass last in through to build_inv_address()
iommu/amd: Simplify build_inv_address()
iommu/apple-dart: correct CONFIG_PCIE_APPLE macro name in comment
iommu/vt-d: Fix RB-tree corruption in probe error path
iommu/vt-d: Improve IOMMU fault information
iommu/vt-d: Remove typo from pasid_pte_config_nested()
iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry
iommu/vt-d: Avoid WARNING in sva unbind path
dt-bindings: arm-smmu: Correct and add constraints for Hawi, Shikra and Kaanapali
dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC
iommu/amd: Don't split flush for amd_iommu_domain_flush_all()
iommu/rockchip: disable fetch dte time limit
iommu/arm-smmu-v3: Allow ATS to be always on
PCI: Allow ATS to be always on for pre-CXL devices
PCI: Add pci_ats_required() for CXL.cache capable devices
iommu/vsi: Use list_for_each_entry()
...
- added more checks for DMA attributes in the debug code, especially
to ensure that mappings are created and released with matching
attributes (Leon Romanovsky)
- better default configuration for CMA on NUMA machines (Feng Tang)
- little code cleanup in dma benchmark tool (Rosen Penev)
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Merge tag 'dma-mapping-7.2-2026-06-16' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping updates from Marek Szyprowski:
- added checks for DMA attributes in the debug code, especially to
ensure that mappings are created and released with matching
attributes (Leon Romanovsky)
- better default configuration for CMA on NUMA machines (Feng Tang)
- code cleanup in dma benchmark tool (Rosen Penev)
* tag 'dma-mapping-7.2-2026-06-16' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma: map_benchmark: turn dma_sg_map_param buf into a flexible array
dma-contiguous: simplify numa cma area handling
dma-contiguous: add kconfig option to setup numa cma area if not configured explicitly
dma-debug: Ensure mappings are created and released with matching attributes
dma-debug: Feed DMA attribute for unmapping flows too
dma-debug: Record DMA attributes in debug entry
dma-debug: Remove unused DMA attribute parameter
ntb: Use consistent DMA attributes when freeing DMA mappings
ntb: Store original DMA address for future release
Small fixes and a cleanup:
* numa emulation: fix detection of under-allocated emulated nodes
* memblock tests: fix NUMA tests to properly differentiate reserved areas
with differnet flags
* mm_init: use div64_ul() instead of do_div() to better express the intent
of the division
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Merge tag 'memblock-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
"Small fixes and a cleanup:
- numa emulation: fix detection of under-allocated emulated nodes
- memblock tests: fix NUMA tests to properly differentiate reserved
areas with differnet flags
- mm_init: use div64_ul() instead of do_div() to better express the
intent of the division"
* tag 'memblock-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
mm: mm_init: use div64_ul() instead of do_div()
tools/testing/memblock: fix stale NUMA reservation tests
mm/fake-numa: fix under-allocation detection in uniform split
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Merge tag 'printk-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Add upper case flavor for printing MAC addresses (%p[mM][U]) and use
it in the nintendo driver
- Fix matching of hash_pointers= parameter modes
- Fix size check of vsprintf() field_width and precision values
- Add check of size returned by vsprintf()
- Add KUnit test for restricted pointer printing (%pK)
- Some code cleanup
* tag 'printk-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
HID: nintendo: Use %pM format specifier for MAC addresses
vsprintf: Add upper case flavour to %p[mM]
lib/vsprintf: replace min_t/max_t with min/max
printk: fix typos in comments
lib/vsprintf: Require exact hash_pointers mode matches
vsprintf: Add test for restricted kernel pointers
vsprintf: Only export no_hash_pointers to test module
lib/vsprintf: Limit the returning size to INT_MAX
lib/vsprintf: Fix to check field_width and precision
DT core:
- Add support for handling multiple cells in "iommu-map" entries.
- Support only 1 entry in /reserved-memory "reg" entries. Support for
more than 1 entry has been broken.
- Fix a UAF on alloc_reserved_mem_array() failure
- Make "ibm,phandle" handling logic specific to PPC
- Use memcpy() instead of strcpy() for known length strings
- Ensure __of_find_n_match_cpu_property() handles malformed "reg"
entries
- Add various checks that expected strings are strings before accessing
them
- Drop redundant memset() when unflattening DT
DT bindings:
- Add a DTS style checker. Currently hooked up to dt_binding_check to
check examples.
- Convert st,nomadik platform, ti,omap-dmm, and ti,irq-crossbar
bindings to DT schema
- Add Apple System Management Controller hwmon, Qualcomm Hamoa Embedded
Controller, Qualcomm IPQ6018 PWM controller, fsl,mc1323, Samsung
SOFEF01-M DDIC panel, Freescale i.MX53 Television Encoder, Samsung S2M
series PMIC extcon, and MT6365 PMIC AuxADC schemas
- Extend bindings for QCom Maili and Nord PDC, QCom Hali fastrpc,
qcom,eliza-imem, qcom,oryon-1-5 CPU, and MT6365 Keys
- Consolidate "sram" property definitions
- Fix constraints on "nvmem" properties which only contain phandles and
no arg cells
- Another pass of fixing "phandle-array" constraints
- Add Gira vendor prefix
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Merge tag 'devicetree-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT core:
- Add support for handling multiple cells in "iommu-map" entries
- Support only 1 entry in /reserved-memory "reg" entries. Support for
more than 1 entry has been broken
- Fix a UAF on alloc_reserved_mem_array() failure
- Make "ibm,phandle" handling logic specific to PPC
- Use memcpy() instead of strcpy() for known length strings
- Ensure __of_find_n_match_cpu_property() handles malformed "reg"
entries
- Add various checks that expected strings are strings before
accessing them
- Drop redundant memset() when unflattening DT
DT bindings:
- Add a DTS style checker. Currently hooked up to dt_binding_check to
check examples
- Convert st,nomadik platform, ti,omap-dmm, and ti,irq-crossbar
bindings to DT schema
- Add Apple System Management Controller hwmon, Qualcomm Hamoa
Embedded Controller, Qualcomm IPQ6018 PWM controller, fsl,mc1323,
Samsung SOFEF01-M DDIC panel, Freescale i.MX53 Television Encoder,
Samsung S2M series PMIC extcon, and MT6365 PMIC AuxADC schemas
- Extend bindings for QCom Maili and Nord PDC, QCom Hali fastrpc,
qcom,eliza-imem, qcom,oryon-1-5 CPU, and MT6365 Keys
- Consolidate "sram" property definitions
- Fix constraints on "nvmem" properties which only contain phandles
and no arg cells
- Another pass of fixing "phandle-array" constraints
- Add Gira vendor prefix"
* tag 'devicetree-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (50 commits)
dt-bindings: interrupt-controller: qcom,pdc: Add Maili compatible string
dt-bindings: interrupt-controller: ti,irq-crossbar: Convert to DT schema
dt-bindings: vendor-prefixes: add Gira
dt-bindings: embedded-controller: Add Qualcomm reference device EC description
dt-bindings: pwm: add IPQ6018 binding
dt-bindings: hwmon: Add Apple System Management Controller hwmon schema
docs: dt: writing-schema: Clarify what is required in a schema
of: Respect #{iommu,msi}-cells in maps
of: Factor arguments passed to of_map_id() into a struct
of: Add convenience wrappers for of_map_id()
of: reserved_mem: zero total_reserved_mem_cnt if no valid /reserved-memory entry
of: reserved_mem: handle NULL name in of_reserved_mem_lookup()
dt-bindings: cache: l2c2x0: Add missing power-domains
dt-bindings: interrupt-controller: renesas,r9a09g077-icu: Fix reg size in example
dt-bindings: nvmem: consumer: Make 'nvmem' an array of one-item entries
drivers/of/overlay: Use memcpy() to copy known length strings
dt-bindings: add self-test fixtures for style checker
dt-bindings: wire style checker into dt_binding_check
scripts/jobserver-exec: propagate child exit status
dt-bindings: add DTS style checker
...
- new virtio CAN driver
- support for LoongArch architecture in fw_cfg
- support for firmware notifications in vdpa/octeon_ep
- support for VFs in virtio core
- fixes, cleanups all over the place, notably
- vhost: fix vhost_get_avail_idx for a non empty ring
fixing an significant old perf regression
- plus READ_ONCE annotations mean virtio ring is now
free of KCSAN warnings
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- new virtio CAN driver
- support for LoongArch architecture in fw_cfg
- support for firmware notifications in vdpa/octeon_ep
- support for VFs in virtio core
- fixes, cleanups all over the place, notably:
- vhost: fix vhost_get_avail_idx for a non empty ring
fixing an significant old perf regression
- READ_ONCE() annotations mean virtio ring is now
free of KCSAN warnings
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (37 commits)
can: virtio: Fix comment in UAPI header
can: virtio: Add virtio CAN driver
virtio: add num_vf callback to virtio_bus
fw_cfg: Add support for LoongArch architecture
vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
vdpa/octeon_ep: Add vDPA device event handling for firmware notifications
vdpa/octeon_ep: Use 4 bytes for mailbox signature
vdpa/octeon_ep: Fix PF->VF mailbox data address calculation
vhost_task_create: kill unnecessary .exit_signal initialization
vhost: remove unnecessary module_init/exit functions
vdpa/mlx5: Use kvzalloc_flex() for MTT command memory
vdpa_sim_net: switch to dynamic root device
vdpa_sim_blk: switch to dynamic root device
virtio-mem: Destroy mutex before freeing virtio_mem
virtio-balloon: Destroy mutex before freeing virtio_balloon
tools/virtio: fix build for kmalloc_obj API and missing stubs
virtio_ring: Add READ_ONCE annotations for device-writable fields
vduse: fix compat handling for VDUSE_IOTLB_GET_FD/VDUSE_VQ_GET_INFO
tools/virtio: check mmap return value in vringh_test
vhost/net: complete zerocopy ubufs only once
...
- Fix out-of-tree vfio selftest builds with make O=. (Jason Gunthorpe)
- Allow vfio selftests to build when ARCH=x86 is used for 64-bit x86
builds. (David Matlack)
- Tighten vfio selftest infrastructure with stricter builds, safer
path handling, sysfs helpers, and reusable device/VF-token setup.
Build on that to add the SR-IOV UAPI selftest across supported
IOMMU modes. (Raghavendra Rao Ananta)
- Conclude earlier vfio PCI BAR work already taken as v7.1 fixes by
replacing vfio_pci_core_setup_barmap() and direct barmap[] access
with vfio_pci_core_get_iomap(). Fix resulting sparse warnings.
(Matt Evans)
- Simplify hisi_acc vfio-pci variant driver device-info reads by
using the mailbox's new direct command-based read helper.
(Weili Qian)
- Avoid duplicate reset handling in the Xe vfio-pci variant driver
reset-done path. (GuoHan Zhao)
- Resolve a lockdep circular dependency splat by tracking active
VFs with a private sriov_active flag rather than calling
pci_num_vf() under memory_lock. (Raghavendra Rao Ananta)
- Add CXL DVSEC-based readiness polling for Blackwell-Next in the
nvgrace-gpu vfio-pci variant driver, including interruptible,
lockless waits to support worst case spec defined timeouts.
(Ankit Agrawal)
- Prevent vfio_mig_get_next_state() from spinning forever on blocked
migration state transition. (Junrui Luo)
- Fix a qat vfio variant driver migration resume race by taking the
migration file lock before boundary checks. (Giovanni Cabiddu)
- Add explicit dependencies between vfio selftest output object files
and output directories to ensure directories are always created.
(David Matlack)
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Merge tag 'vfio-v7.2-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Fix out-of-tree vfio selftest builds with make O= (Jason Gunthorpe)
- Allow vfio selftests to build when ARCH=x86 is used for 64-bit x86
builds (David Matlack)
- Tighten vfio selftest infrastructure with stricter builds, safer path
handling, sysfs helpers, and reusable device/VF-token setup. Build on
that to add the SR-IOV UAPI selftest across supported IOMMU modes
(Raghavendra Rao Ananta)
- Conclude earlier vfio PCI BAR work already taken as v7.1 fixes by
replacing vfio_pci_core_setup_barmap() and direct barmap[] access
with vfio_pci_core_get_iomap(). Fix resulting sparse warnings (Matt
Evans)
- Simplify hisi_acc vfio-pci variant driver device-info reads by using
the mailbox's new direct command-based read helper (Weili Qian)
- Avoid duplicate reset handling in the Xe vfio-pci variant driver
reset-done path (GuoHan Zhao)
- Resolve a lockdep circular dependency splat by tracking active VFs
with a private sriov_active flag rather than calling pci_num_vf()
under memory_lock (Raghavendra Rao Ananta)
- Add CXL DVSEC-based readiness polling for Blackwell-Next in the
nvgrace-gpu vfio-pci variant driver, including interruptible,
lockless waits to support worst case spec defined timeouts (Ankit
Agrawal)
- Prevent vfio_mig_get_next_state() from spinning forever on blocked
migration state transition (Junrui Luo)
- Fix a qat vfio variant driver migration resume race by taking the
migration file lock before boundary checks (Giovanni Cabiddu)
- Add explicit dependencies between vfio selftest output object files
and output directories to ensure directories are always created
(David Matlack)
* tag 'vfio-v7.2-rc1' of https://github.com/awilliam/linux-vfio:
vfio: selftests: Ensure libvfio output dirs are always created
vfio/qat: fix f_pos race in qat_vf_resume_write()
vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc
vfio/nvgrace-gpu: Add Blackwell-Next GPU readiness check via CXL DVSEC
vfio/pci: Use a private flag to prevent power state change with VFs
vfio/pci: Fix sparse warning in vfio_pci_core_get_iomap()
vfio/xe: avoid duplicate reset in xe_vfio_pci_reset_done
hisi_acc_vfio_pci: simplify the command for reading device information
vfio/pci: Replace vfio_pci_core_setup_barmap() with vfio_pci_core_get_iomap()
vfio: selftests: Add tests to validate SR-IOV UAPI
vfio: selftests: Add helpers to alloc/free vfio_pci_device
vfio: selftests: Add helper to set/override a vf_token
vfio: selftests: Expose more vfio_pci_device functions
vfio: selftests: Extend container/iommufd setup for passing vf_token
vfio: selftests: Introduce a sysfs lib
vfio: selftests: Introduce snprintf_assert()
vfio: selftests: Add -Wall and -Werror to the Makefile
vfio: selftests: Allow builds when ARCH=x86
vfio: selftests: Fix out-of-tree build with make O=
. update stmark board support
. clock fixes for m5441x ColdFire
. base hardware support for DAC block of m5441x ColdFire
. select legacy gpiolib interface for mcfqspi
. new defconfigs for more ColdFire based boards
. unify ColdFire SoC register access
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Merge tag 'm68knommu-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
- an update and config refresh for the stmark board
- fixes and preparatory work for supporting the DAC hardware block of
the m5441x ColdFire SoC
- forced configuration fix for legacy gpiolib when enabling the mcfqspi
driver
- new defconfigs for the M5329EVB, M54418EVB and NETtel boards to give
better build test coverage For ColdFire parts
- cleanup to register access code in the core init and setup code for
ColdFire SoC be consistent, instead of a varied use of
__raw_readX/__raw_write and straight readX/writeX.
This is working towards fixing the non-standard endianess of the
non-MMU m68k readX/writeX functions.
* tag 'm68knommu-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (22 commits)
m68k: stmark2: enable DACs outputs
m68k: stmark2: add mcf5441x DAC platform devices
m68k: stmark2: use ioport.h macros for resources
m68k: mcf5441x: add CCR MISCCR2 bitfields
m68k: mcf5441x: add CCM registers
m68k: add DAC modules base addresses
m68k: mcf5441x: add clock for DAC channel 1
m68k: mcf5441x: fix clocks numbering
m68k: coldfire: use ColdFire specifc IO access in SoC code
m68k: coldfire: use ColdFire specifc IO access in system code
m68k: coldfire: rename timer register access defines
m68k: coldfire: use ColdFire specifc IO access in timer code
m68k: coldfire: use ColdFire specifc IO access in interrupt code
m68k: coldfire: use ColdFire specific IO access in headers
m68k: coldfire: create IO access functions for internal registers
m68k: defconfig: update all ColdFire defconfigs
m68k: defconfig: add config for SnapGear/NETtel board
m68k: defconfig: add config for M54418EVB board
m68k: defconfig: add config for M5329EVB board
m68k: coldfire: select legacy gpiolib interface for mcfqspi
...
The largest addition here is the revived support for the ZTE ZX
SoC platform, though this mostly documentation.
The other changes are code cleanups that deal with continued
conversion of the GPIO library away from GPIO numbers to
descriptors and a few minor bugfixes.
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Merge tag 'soc-arm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull arm SoC code updates from Arnd Bergmann:
"The largest addition here is the revived support for the ZTE ZX SoC
platform, though this mostly documentation.
The other changes are code cleanups that deal with continued
conversion of the GPIO library away from GPIO numbers to descriptors
and a few minor bugfixes"
* tag 'soc-arm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: Add Axiado reviewer and Maintainers
ARM: remove the last few uses of do_bad_IRQ()
ARM: imx31: Fix IIM mapping leak in revision check
ARM: imx3: Fix CCM node reference leak
ARM: orion5x: update board check in mss2_pci_init() to use the DT
arm: mvebu_v5_defconfig: remove stale MACH_LINKSTATION_LSCHL reference
ARM: mvebu: simplify of_node_put calls
ARM: mvebu: drop unnecessary NULL check
arm: boot: ep93xx: don't rely on machine_is_*() for removed board files
ARM: zte: clean up zx297520v3 doc. warnings
arm64: Kconfig: drop unneeded dependency on OF_GPIO for ARCH_MVEBU
firmware: imx: sm-misc: Make scmi_imx_misc_ctrl_nb variable static
ARM: zte: Add zx297520v3 platform support
ARM: pxa: pxa27x: attach software node to its target GPIO controller
ARM: pxa: pxa25x: attach software node to its target GPIO controller
ARM: pxa: spitz: attach software nodes to their target GPIO controllers
ARM: pxa: statify platform device definitions in spitz board file
ARM: omap2: simplify allocation for omap_device
ARM: select legacy gpiolib interfaces where used
ARM: s3c: use gpio lookup table for LEDs
The main change this time is a cleanup series from Krzysztof Kozlowski
that updates the defconfig files to be more in sync with changes to
the Kconfig files that moved options around or removed the completely.
In addition, a number of drivers get enabled, in order to support
more hardware out of the box, as usual.
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Merge tag 'soc-defconfig-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC defconfig updates from Arnd Bergmann:
"The main change this time is a cleanup series from Krzysztof Kozlowski
that updates the defconfig files to be more in sync with changes to
the Kconfig files that moved options around or removed the completely.
In addition, a number of drivers get enabled, in order to support more
hardware out of the box, as usual"
* tag 'soc-defconfig-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: defconfig: enable BST SDHCI controller
arm64: configs: Update defconfig for AST2700 platform support
ARM: multi_v7_defconfig: Enable dma-buf heaps
ARM: configs: Drop duplicated CONFIG_EXT4_FS
arm64: defconfig: Enable DP83822 PHY driver
ARM: configs: at91: sama7: add sama7d65 i3c-hci
arm64: defconfig: Enable PCI M.2 power sequencing driver
arm64: defconfig: Enable CIX Sky1 pinctrl, PCIe host, and Cadence GPIO
ARM: multi_v7_defconfig: Correct QCOM_RPMH and QCOM_RPMHPD
ARM: multi_v7_defconfig: Cleanup redundant options
ARM: configs: Drop redundant SND_ATMEL_SOC
ARM: configs: Drop redundant I2C_DESIGNWARE_PLATFORM
ARM: multi_v7_defconfig: Move entries to match savedefconfig
arm64: defconfig: Switch Ethernet drivers to modules
arm64: defconfig: Drop unused Ethernet vendors
arm64: defconfig: Drop default or selected drivers
arm64: defconfig: Drop unused legacy netfilter options
arm64: defconfig: Move entries to match savedefconfig
pinctrl: qcom: Make important drivers default (2)
There are a few added drivers, but mostly the normal maintenance to drivers
for firmware, memory controller and other soc specific hadware:
- The NXP QuickEngine gets modern MSI support, which allows some cleanups to
the GICv3 irqchip chip driver
- A new SoC specific driver for the Renesas R-Car MFIS unit is added,
encapsulating support for the on-chip mailbox and hwspinlock
implementations that are not easily separated into individual
drivers
- The Qualcomm SoC drivers add support for additional SoC implementations,
and flexiblity around power managedment for the serial-engine driver
as well as probing the LLCC driver using custom hardware descriptions
inside of the device itself.
- Added support for the Samsung thermal management unit
- A cleanup to the Tegra 'PMC' driver interfaces to remove legacy
APIs and allow multiple PMC instances everywhere.
- Updates to the TI SCI and KNAS drivers to improve suspend/resume
support.
- Minor driver changes for mediatek, xilinx, allwinner, aspeed, tegra,
broadcom, amd, microchip and starfive specific drivers
- Memory controller updates for Tegra and Renesas for additional SoC
types and other improvements.
- Firmware driver updates for Arm FF-A, SMCCC and SCMI interfaces,
to update driver probing, object lifetimes and address minor bugs.
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Merge tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"There are a few added drivers, but mostly the normal maintenance to
drivers for firmware, memory controller and other soc specific
hardware:
- The NXP QuickEngine gets modern MSI support, which allows some
cleanups to the GICv3 irqchip chip driver
- A new SoC specific driver for the Renesas R-Car MFIS unit is added,
encapsulating support for the on-chip mailbox and hwspinlock
implementations that are not easily separated into individual
drivers
- The Qualcomm SoC drivers add support for additional SoC
implementations, and flexibility around power management for the
serial-engine driver as well as probing the LLCC driver using
custom hardware descriptions inside of the device itself.
- Added support for the Samsung thermal management unit
- A cleanup to the Tegra 'PMC' driver interfaces to remove legacy
APIs and allow multiple PMC instances everywhere.
- Updates to the TI SCI and KNAS drivers to improve suspend/resume
support.
- Minor driver changes for mediatek, xilinx, allwinner, aspeed,
tegra, broadcom, amd, microchip and starfive specific drivers
- Memory controller updates for Tegra and Renesas for additional SoC
types and other improvements.
- Firmware driver updates for Arm FF-A, SMCCC and SCMI interfaces, to
update driver probing, object lifetimes and address minor bugs"
* tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (189 commits)
Revert "firmware: zynqmp: Add dynamic CSU register discovery and sysfs interface"
Revert "Documentation: ABI: add sysfs interface for ZynqMP CSU registers"
memory: tegra234: drop dead NULL check in tegra234_mc_icc_aggregate()
memory: tegra264: drop redundant tegra264_mc_icc_aggregate()
memory: tegra186-emc: stop borrowing MC aggregate hook for EMC
soc: aspeed: cleanup dead default for ASPEED_SOCINFO
firmware: tegra: bpmp: Add support for multi-socket platforms
firmware: tegra: bpmp: Propagate debugfs errors
soc/tegra: pmc: Add Tegra238 support
soc/tegra: pmc: Restrict power-off handler to Nexus 7
soc/tegra: pmc: Populate powergate debugfs only when needed
soc/tegra: pmc: Move legacy code behind CONFIG_ARM guard
soc/tegra: pmc: Remove unused legacy functions
soc/tegra: pmc: Create PMC context dynamically
firmware: samsung: acpm: remove compile-testing stubs
firmware: samsung: acpm: Add devm_acpm_get_by_phandle helper
firmware: samsung: acpm: Add TMU protocol support
firmware: samsung: acpm: Make acpm_ops const and access via pointer
firmware: samsung: acpm: Drop redundant _ops suffix in acpm_ops members
firmware: samsung: acpm: Annotate rx_data->cmd with __counted_by_ptr
...
There are fewer devicetree updates this time that the last few ones, with
five SoC types getting added:
- Qualcomm Dragonwing IPQ9650 is a new wireless networking SoC using
four Cortex-A55 and one Cortex-A78 core, which is a significant
upgrade from older generations
- ZTE zx297520v3 is an older low-end wireless SoC using a single
Cortex-A53 core, which so far can only run 32-bit kernels. This brings
back the ZX family of chips that was removed in 2021 after support
for the original zx296702 and zx296718 chips was never completed.
- Renesas R-Car M3Le (R8A779MD) is a variant of the R-Car M3-N (R8A77965)
automotive SoC.
- Apple t8122 (M3) is the 2023 generation of their laptop SoCs,
which has now been reverse-engineered to the point of having initial
kernel support for five laptop models.
- ASPEED AST27xx is their first baseboard managment controller using
a 64-bit core, the Cortex-A35, following earlier generations using
ARMv5/v6/v7 CPUs.
These all come with one or more initial boards, and in total there
are 39 new boards getting added across SoC families, including:
- Two NAS boxes using the old Cortina Systems Gemini SoC based on
an ARMv4 FA526 CPU core
- 18 industrial embedded boards using NXP i.MX6/8/9 and LX2160A
SoCs from Variscite, Toradex and SolidRun, plus a number of
overlays for combinations with additional boards
- One new carrier board and SoM using TI K3 AM62x, in addition to
new overlays for older SoMs
- Two new boards using Spacemit K3 (no relation with TI) RISC-V
SoCs.
- Three phones from Google, Nothing and Motorola, all using Qualcomm
Snapdragon SoCs
- AST26xx BMC support for two server boards
While there is still a significant number of patches improving hardware
support for the existing boards across vendors (NXP, Qualcomm, Renesas,
Rockchips, Mediatek, ...), a much smaller number of cleanups and warning
fixes have made it in this time.
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Merge tag 'soc-dt-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC devicetree updates from Arnd Bergmann:
"There are fewer devicetree updates this time that the last few ones,
with five SoC types getting added:
- Qualcomm Dragonwing IPQ9650 is a new wireless networking SoC using
four Cortex-A55 and one Cortex-A78 core, which is a significant
upgrade from older generations
- ZTE zx297520v3 is an older low-end wireless SoC using a single
Cortex-A53 core, which so far can only run 32-bit kernels. This
brings back the ZX family of chips that was removed in 2021 after
support for the original zx296702 and zx296718 chips was never
completed.
- Renesas R-Car M3Le (R8A779MD) is a variant of the R-Car M3-N
(R8A77965) automotive SoC.
- Apple t8122 (M3) is the 2023 generation of their laptop SoCs, which
has now been reverse-engineered to the point of having initial
kernel support for five laptop models.
- ASPEED AST27xx is their first baseboard managment controller using
a 64-bit core, the Cortex-A35, following earlier generations using
ARMv5/v6/v7 CPUs.
These all come with one or more initial boards, and in total there are
39 new boards getting added across SoC families, including:
- Two NAS boxes using the old Cortina Systems Gemini SoC based on an
ARMv4 FA526 CPU core
- 18 industrial embedded boards using NXP i.MX6/8/9 and LX2160A SoCs
from Variscite, Toradex and SolidRun, plus a number of overlays for
combinations with additional boards
- One new carrier board and SoM using TI K3 AM62x, in addition to new
overlays for older SoMs
- Two new boards using Spacemit K3 (no relation with TI) RISC-V SoCs.
- Three phones from Google, Nothing and Motorola, all using Qualcomm
Snapdragon SoCs
- AST26xx BMC support for two server boards
While there is still a significant number of patches improving
hardware support for the existing boards across vendors (NXP,
Qualcomm, Renesas, Rockchips, Mediatek, ...), a much smaller number
of cleanups and warning fixes have made it in this time"
* tag 'soc-dt-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (665 commits)
arm64: dts: aspeed: Fix duplicate pinctrl labels and address scheme
arm64: dts: bst: enable eMMC controller in C1200
dt-bindings: display/lvds-codec: add ti,sn65lvds93
arm64: dts: allwinner: a523: Add missing GPIO interrupt
arm64: dts: lx2160a-rev2: avoid 32-bit pcie window system ram overlap
arm64: dts: aspeed: Add initial AST27xx SoC device tree
arm64: Kconfig: Add ASPEED SoC family Kconfig support
dt-bindings: arm: aspeed: Add AST2700 board compatible
arm64: dts: allwinner: a523: add gpadc node
arm64: dts: allwinner: Add EL2 virtual timer interrupt
ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node
dt-bindings: media: sun6i-a31-isp: Add optional interconnect properties
dt-bindings: media: sun6i-a31-csi: Add optional interconnect properties
arm64: dts: imx{91,93}-phyboard-segin: Add peb-av-18 overlays
arm64: dts: imx93-var-som-symphony: enable ADC
arm64: dts: imx93-var-som-symphony: enable TPM3 PWM
arm64: dts: imx93-var-som-symphony: keep RGB_SEL low
arm64: dts: imx93-var-som-symphony: enable UART7
arm64: dts: imx93-var-som-symphony: add TPM support
arm64: dts: imx91-var-som-symphony: fix RGB_SEL handling
...
The need_freq_update flag makes sugov_should_update_freq() return true
regardless of the rate_limit_us throttling, and is cleared in
sugov_update_next_freq(). sugov_update_single_freq() and
sugov_update_shared() go through that helper, so the flag does not
persist there.
However, sugov_update_single_perf(), used by drivers implementing the
.adjust_perf() callback (e.g. intel_pstate or amd-pstate in passive
mode) calls cpufreq_driver_adjust_perf() directly and never goes through
sugov_update_next_freq(), so the need_freq_update flag is not cleared in
that path.
Before commit 75da043d8f ("cpufreq/sched: Set need_freq_update in
ignore_dl_rate_limit()"), this was effectively harmless because
sugov_should_update_freq() still honored the rate limit even when
need_freq_update was set. After that change, the flag forces
sugov_should_update_freq() to always return true, so once set, it
stays effective indefinitely on the .adjust_perf() path.
As a result, cpufreq_driver_adjust_perf() gets called on every scheduler
utilization update (with the runqueue lock held) rather than being
throttled by rate_limit_us, even if the driver itself may skip redundant
hardware updates.
Clear need_freq_update at the end of the adjust_perf path as well.
Fixes: 75da043d8f ("cpufreq/sched: Set need_freq_update in ignore_dl_rate_limit()")
Signed-off-by: Zhongqiu Han <zhongqiu.han@oss.qualcomm.com>
Reviewed-by: Hongyan Xia <hongyan.xia@transsion.com>
Reviewed-by: Christian Loehle <christian.loehle@arm.com>
Cc: All applicable <stable@vger.kernel.org>
[ rjw: Subject and changelog edits ]
Link: https://patch.msgid.link/20260616154733.2405236-1-zhongqiu.han@oss.qualcomm.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Use an additional label so that a bit of exception handling can be better
reused at the end of this function implementation.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Anna Schumaker <anna.schumaker@hammerspace.com>
It was overlooked to call ida_free() after a failed nfs_alloc_iostats() call.
Thus add the missed function call in an if branch.
Fixes: 1c7251187d ("NFS: add superblock sysfs entries")
Cc: stable@vger.kernel.org
Reported-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Closes: https://lore.kernel.org/linux-nfs/1c8e10c9-def7-4f0d-8aa1-23c8035a38c8@wanadoo.fr/
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Anna Schumaker <anna.schumaker@hammerspace.com>
I have been working on KVM/arm64 for a couple of years, mostly on
pKVM, and am currently upstreaming protected guest support, with more
to come later. I already review KVM/arm64 patches more broadly, and
am happy to continue doing so in an official capacity.
Add myself to the KVM/arm64 reviewer list.
Signed-off-by: Fuad Tabba <tabba@google.com>
Acked-by: Oliver Upton <oupton@kernel.org>
Link: https://patch.msgid.link/20260617131237.2842619-1-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
kvm_check_illegal_exception_return() sourced the flags {N,Z,C,V} and
masks {D,A,I,F} of the resulting PSTATE from the current PSTATE, but
R_VWJHB takes them from the SPSR being returned to and leaves
PSTATE.{EL,SP,nRW} (and EXLOCK when FEAT_GCS) unchanged. PAN, ALLINT
and PM were not applied at all.
Build the PSTATE by taking those fields from the SPSR while preserving
EL, SP, nRW and EXLOCK from the current PSTATE, then set IL.
Fixes: 47f3a2fc76 ("KVM: arm64: nv: Support virtual EL2 exceptions")
Suggested-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/all/86wlvxs5r0.wl-maz@kernel.org/
Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://patch.msgid.link/20260617144907.2972095-1-tabba@google.com
[maz: tidied things a bit]
Signed-off-by: Marc Zyngier <maz@kernel.org>
