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Pull bpf fixes from Alexei Starovoitov:
- Finish constification of 1st parameter of bpf_d_path() (Rong Tao)
- Harden userspace-supplied xdp_desc validation (Alexander Lobakin)
- Fix metadata_dst leak in __bpf_redirect_neigh_v{4,6}() (Daniel
Borkmann)
- Fix undefined behavior in {get,put}_unaligned_be32() (Eric Biggers)
- Use correct context to unpin bpf hash map with special types (KaFai
Wan)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Add test for unpinning htab with internal timer struct
bpf: Avoid RCU context warning when unpinning htab with internal structs
xsk: Harden userspace-supplied xdp_desc validation
bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}
libbpf: Fix undefined behavior in {get,put}_unaligned_be32()
bpf: Finish constification of 1st parameter of bpf_d_path()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more updates from Andrew Morton:
"Just one series here - Mike Rappoport has taught KEXEC handover to
preserve vmalloc allocations across handover"
* tag 'mm-nonmm-stable-2025-10-10-15-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
lib/test_kho: use kho_preserve_vmalloc instead of storing addresses in fdt
kho: add support for preserving vmalloc allocations
kho: replace kho_preserve_phys() with kho_preserve_pages()
kho: check if kho is finalized in __kho_preserve_order()
MAINTAINERS, .mailmap: update Umang's email address
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"7 hotfixes. All 7 are cc:stable and all 7 are for MM.
All singletons, please see the changelogs for details"
* tag 'mm-hotfixes-stable-2025-10-10-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: hugetlb: avoid soft lockup when mprotect to large memory area
fsnotify: pass correct offset to fsnotify_mmap_perm()
mm/ksm: fix flag-dropping behavior in ksm_madvise
mm/damon/vaddr: do not repeat pte_offset_map_lock() until success
mm/rmap: fix soft-dirty and uffd-wp bit loss when remapping zero-filled mTHP subpage to shared zeropage
mm/thp: fix MTE tag mismatch when replacing zero-filled subpages
memcg: skip cgroup_file_notify if spinning is not allowed
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Allow mmap() on guest_memfd instances for x86 VMs with private memory as
the need to track private vs. shared state in the guest_memfd instance is
only pertinent to INIT_SHARED. Doing mmap() on private memory isn't
terrible useful (yet!), but it's now possible, and will be desirable when
guest_memfd gains support for other VMA-based syscalls, e.g. mbind() to
set NUMA policy.
Lift the restriction now, before MMAP support is officially released, so
that KVM doesn't need to add another capability to enumerate support for
mmap() on private memory.
Fixes: 3d3a04fad25a ("KVM: Allow and advertise support for host mmap() on guest_memfd files")
Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Tested-by: Ackerley Tng <ackerleytng@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20251003232606.4070510-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Add a guest_memfd flag to allow userspace to state that the underlying
memory should be configured to be initialized as shared, and reject user
page faults if the guest_memfd instance's memory isn't shared. Because
KVM doesn't yet support in-place private<=>shared conversions, all
guest_memfd memory effectively follows the initial state.
Alternatively, KVM could deduce the initial state based on MMAP, which for
all intents and purposes is what KVM currently does. However, implicitly
deriving the default state based on MMAP will result in a messy ABI when
support for in-place conversions is added.
For x86 CoCo VMs, which don't yet support MMAP, memory is currently private
by default (otherwise the memory would be unusable). If MMAP implies
memory is shared by default, then the default state for CoCo VMs will vary
based on MMAP, and from userspace's perspective, will change when in-place
conversion support is added. I.e. to maintain guest<=>host ABI, userspace
would need to immediately convert all memory from shared=>private, which
is both ugly and inefficient. The inefficiency could be avoided by adding
a flag to state that memory is _private_ by default, irrespective of MMAP,
but that would lead to an equally messy and hard to document ABI.
Bite the bullet and immediately add a flag to control the default state so
that the effective behavior is explicit and straightforward.
Fixes: 3d3a04fad25a ("KVM: Allow and advertise support for host mmap() on guest_memfd files")
Cc: David Hildenbrand <david@redhat.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Tested-by: Ackerley Tng <ackerleytng@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20251003232606.4070510-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Rework the not-yet-released KVM_CAP_GUEST_MEMFD_MMAP into a more generic
KVM_CAP_GUEST_MEMFD_FLAGS capability so that adding new flags doesn't
require a new capability, and so that developers aren't tempted to bundle
multiple flags into a single capability.
Note, kvm_vm_ioctl_check_extension_generic() can only return a 32-bit
value, but that limitation can be easily circumvented by adding e.g.
KVM_CAP_GUEST_MEMFD_FLAGS2 in the unlikely event guest_memfd supports more
than 32 flags.
Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Tested-by: Ackerley Tng <ackerleytng@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20251003232606.4070510-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Pull more drm fixes from Dave Airlie:
"Just the follow up fixes for rc1 from the next branch, amdgpu and xe
mostly with a single v3d fix in there.
amdgpu:
- DC DCE6 fixes
- GPU reset fixes
- Secure diplay messaging cleanup
- MES fix
- GPUVM locking fixes
- PMFW messaging cleanup
- PCI US/DS switch handling fix
- VCN queue reset fix
- DC FPU handling fix
- DCN 3.5 fix
- DC mirroring fix
amdkfd:
- Fix kfd process ref leak
- mmap write lock handling fix
- Fix comments in IOCTL
xe:
- Fix build with clang 16
- Fix handling of invalid configfs syntax usage and spell out the
expected syntax in the documentation
- Do not try late bind firmware when running as VF since it shouldn't
handle firmware loading
- Fix idle assertion for local BOs
- Fix uninitialized variable for late binding
- Do not require perfmon_capable to expose free memory at page
granularity. Handle it like other drm drivers do
- Fix lock handling on suspend error path
- Fix I2C controller resume after S3
v3d:
- fix fence locking"
* tag 'drm-next-2025-10-11-1' of https://gitlab.freedesktop.org/drm/kernel: (34 commits)
drm/amd/display: Incorrect Mirror Cositing
drm/amd/display: Enable Dynamic DTBCLK Switch
drm/amdgpu: Report individual reset error
drm/amdgpu: partially revert "revert to old status lock handling v3"
drm/amd/display: Fix unsafe uses of kernel mode FPU
drm/amd/pm: Disable VCN queue reset on SMU v13.0.6 due to regression
drm/amdgpu: Fix general protection fault in amdgpu_vm_bo_reset_state_machine
drm/amdgpu: Check swus/ds for switch state save
drm/amdkfd: Fix two comments in kfd_ioctl.h
drm/amd/pm: Avoid interface mismatch messaging
drm/amdgpu: Merge amdgpu_vm_set_pasid into amdgpu_vm_init
drm/amd/amdgpu: Fix the mes version that support inv_tlbs
drm/amd: Check whether secure display TA loaded successfully
drm/amdkfd: Fix mmap write lock not release
drm/amdkfd: Fix kfd process ref leaking when userptr unmapping
drm/amdgpu: Fix for GPU reset being blocked by KIQ I/O.
drm/amd/display: Disable scaling on DCE6 for now
drm/amd/display: Properly disable scaling on DCE6
drm/amd/display: Properly clear SCL_*_FILTER_CONTROL on DCE6
drm/amd/display: Add missing DCE6 SCL_HORZ_FILTER_INIT* SRIs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Allow child nodes on renesas-bsc bus binding
- Drop node name pattern on allwinner,sun50i-a64-de2 bus binding
- Switch DT patchwork to kernel.org from ozlabs.org
- Fix some typos in docs and bindings
- Fix reference count in PCI node unittest
* tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: bus: renesas-bsc: allow additional properties
dt-bindings: bus: allwinner,sun50i-a64-de2: don't check node names
MAINTAINERS: Move DT patchwork to kernel.org
of: unittest: Fix device reference count leak in of_unittest_pci_node_verify
of: doc: Fix typo in doc comments.
dt-bindings: mmc: Correct typo "upto" to "up to"
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Pull ceph updates from Ilya Dryomov:
- some messenger improvements (Eric and Max)
- address an issue (also affected userspace) of incorrect permissions
being granted to users who have access to multiple different CephFS
instances within the same cluster (Kotresh)
- a bunch of assorted CephFS fixes (Slava)
* tag 'ceph-for-6.18-rc1' of https://github.com/ceph/ceph-client:
ceph: add bug tracking system info to MAINTAINERS
ceph: fix multifs mds auth caps issue
ceph: cleanup in ceph_alloc_readdir_reply_buffer()
ceph: fix potential NULL dereference issue in ceph_fill_trace()
libceph: add empty check to ceph_con_get_out_msg()
libceph: pass the message pointer instead of loading con->out_msg
libceph: make ceph_con_get_out_msg() return the message pointer
ceph: fix potential race condition on operations with CEPH_I_ODIRECT flag
ceph: refactor wake_up_bit() pattern of calling
ceph: fix potential race condition in ceph_ioctl_lazyio()
ceph: fix overflowed constant issue in ceph_do_objects_copy()
ceph: fix wrong sizeof argument issue in register_session()
ceph: add checking of wait_for_completion_killable() return value
ceph: make ceph_start_io_*() killable
libceph: Use HMAC-SHA256 library instead of crypto_shash
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The arraymap and hashtab duplicate the logic that checks for and frees
internal structs (timer, workqueue, task_work) based on
BTF record flags. Centralize this by introducing two helpers:
* bpf_map_has_internal_structs(map)
Returns true if the map value contains any of internal structs:
BPF_TIMER | BPF_WORKQUEUE | BPF_TASK_WORK.
* bpf_map_free_internal_structs(map, obj)
Frees the internal structs for a single value object.
Convert arraymap and both the prealloc/malloc hashtab paths to use the
new generic functions. This keeps the functionality for when/how to free
these special fields in one place and makes it easier to add support for
new internal structs in the future without touching every map
implementation.
Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20251010164606.147298-3-mykyta.yatsenko5@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Don't include __GFP_NOWARN for loop worker allocation, as it already
uses GFP_NOWAIT which has __GFP_NOWARN set already
- Small series cleaning up the recent bio_iov_iter_get_pages() changes
- loop fix for leaking the backing reference file, if validation fails
- Update of a comment pertaining to disk/partition stat locking
* tag 'block-6.18-20251009' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
loop: remove redundant __GFP_NOWARN flag
block: move bio_iov_iter_get_bdev_pages to block/fops.c
iomap: open code bio_iov_iter_get_bdev_pages
block: rename bio_iov_iter_get_pages_aligned to bio_iov_iter_get_pages
block: remove bio_iov_iter_get_pages
block: Update a comment of disk statistics
loop: fix backing file reference leak on validation error
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fixup indentation in the UAPI header
- Two fixes for zcrx. One fixes receiving too much in some cases, and
the other deals with not correctly incrementing the source in the
fallback copy loop
- Fix for a race in the IORING_OP_WAITID command, where there was a
small window where the request would be left on the wait_queue_head
list even though it was being canceled/completed
- Update liburing git URL in the kernel tree
* tag 'io_uring-6.18-20251009' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/zcrx: increment fallback loop src offset
io_uring/zcrx: fix overshooting recv limit
io_uring: use tab indentation for IORING_SEND_VECTORIZED comment
io_uring/waitid: always prune wait queue entry in io_waitid_wait()
io_uring: update liburing git URL
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Rename the storage_get_func_atomic flag to a more generic non_sleepable
flag that tracks whether a helper or kfunc may be called from a
non-sleepable context. This makes the flag more broadly applicable
beyond just storage_get helpers. See [0] for more context.
The flag is now set unconditionally for all helpers and kfuncs when:
- RCU critical section is active.
- Preemption is disabled.
- IRQs are disabled.
- In a non-sleepable context within a sleepable program (e.g., timer
callbacks), which is indicated by !in_sleepable().
Previously, the flag was only set for storage_get helpers in these
contexts. With this change, it can be used by any code that needs to
differentiate between sleepable and non-sleepable contexts at the
per-instruction level.
The existing usage in do_misc_fixups() for storage_get helpers is
preserved by checking is_storage_get_function() before using the flag.
[0]: https://lore.kernel.org/bpf/CAP01T76cbaNi4p-y8E0sjE2NXSra2S=Uja8G4hSQDu_SbXxREQ@mail.gmail.com
Cc: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Mykyta Yatsenko <mykyta.yatsenko5@gmail.com>
Link: https://lore.kernel.org/r/20251007220349.3852807-3-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
- Second part of rtl9300 updates since dependencies are in now:
- general cleanups
- implement block read/write support
- add RTL9310 support
- DT schema conversion of hix5hd2 binding
- namespace cleanup for i2c-algo-pca
- minor simplification for mt65xx
* tag 'i2c-for-6.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
dt-bindings: i2c: hisilicon,hix5hd2: convert to DT schema
i2c: mt65xx: convert set_speed function to void
i2c: rename wait_for_completion callback to wait_for_completion_cb
i2c: rtl9300: add support for RTL9310 I2C controller
dt-bindings: i2c: realtek,rtl9301-i2c: extend for RTL9310 support
i2c: rtl9300: use scoped guard instead of explicit lock/unlock
i2c: rtl9300: separate xfer configuration and execution
i2c: rtl9300: do not set read mode on every transfer
i2c: rtl9300: move setting SCL frequency to config_io
i2c: rtl9300: rename internal sda_pin to sda_num
dt-bindings: i2c: realtek,rtl9301-i2c: fix wording and typos
i2c: rtl9300: use regmap fields and API for registers
i2c: rtl9300: Implement I2C block read and write
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The current shenanigans for duration calculation introduce too much
complexity for a trivial problem, and further the code is hard to patch and
maintain.
Address these issues with a flat look-up table, which is easy to understand
and patch. If leaf driver specific patching is required in future, it is
easy enough to make a copy of this table during driver initialization and
add the chip parameter back.
'chip->duration' is retained for TPM 1.x.
As the first entry for this new behavior address TCG spec update mentioned
in this issue:
https://github.com/raspberrypi/linux/issues/7054
Therefore, for TPM_SelfTest the duration is set to 3000 ms.
This does not categorize a as bug, given that this is introduced to the
spec after the feature was originally made.
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.18-2025-10-09:
amdgpu:
- DC DCE6 fixes
- GPU reset fixes
- Secure diplay messaging cleanup
- MES fix
- GPUVM locking fixes
- PMFW messaging cleanup
- PCI US/DS switch handling fix
- VCN queue reset fix
- DC FPU handling fix
- DCN 3.5 fix
- DC mirroring fix
amdkfd:
- Fix kfd process ref leak
- mmap write lock handling fix
- Fix comments in IOCTL
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20251009162915.981503-1-alexander.deucher@amd.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Current release - regressions:
- mlx5: fix pre-2.40 binutils assembler error
Current release - new code bugs:
- net: psp: don't assume reply skbs will have a socket
- eth: fbnic: fix missing programming of the default descriptor
Previous releases - regressions:
- page_pool: fix PP_MAGIC_MASK to avoid crashing on some 32-bit arches
- tcp:
- take care of zero tp->window_clamp in tcp_set_rcvlowat()
- don't call reqsk_fastopen_remove() in tcp_conn_request()
- eth:
- ice: release xa entry on adapter allocation failure
- usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock
Previous releases - always broken:
- netfilter: validate objref and objrefmap expressions
- sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
- eth:
- mlx4: prevent potential use after free in mlx4_en_do_uc_filter()
- mlx5: prevent tunnel mode conflicts between FDB and NIC IPsec tables
- ocelot: fix use-after-free caused by cyclic delayed work
Misc:
- add support for MediaTek PCIe 5G HP DRMR-H01"
* tag 'net-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
net: airoha: Fix loopback mode configuration for GDM2 port
selftests: drv-net: pp_alloc_fail: add necessary optoins to config
selftests: drv-net: pp_alloc_fail: lower traffic expectations
selftests: drv-net: fix linter warnings in pp_alloc_fail
eth: fbnic: fix reporting of alloc_failed qstats
selftests: drv-net: xdp: add test for interface level qstats
selftests: drv-net: xdp: rename netnl to ethnl
eth: fbnic: fix saving stats from XDP_TX rings on close
eth: fbnic: fix accounting of XDP packets
eth: fbnic: fix missing programming of the default descriptor
selftests: netfilter: query conntrack state to check for port clash resolution
selftests: netfilter: nft_fib.sh: fix spurious test failures
bridge: br_vlan_fill_forward_path_pvid: use br_vlan_group_rcu()
netfilter: nft_objref: validate objref and objrefmap expressions
net: pse-pd: tps23881: Fix current measurement scaling
net/mlx5: fix pre-2.40 binutils assembler error
net/mlx5e: Do not fail PSP init on missing caps
net/mlx5e: Prevent tunnel reformat when tunnel mode not allowed
net/mlx5: Prevent tunnel mode conflicts between FDB and NIC IPsec tables
net: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock
...
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This pointer is in a register anyway, so let's use that instead of
reloading from memory everywhere.
[ idryomov: formatting ]
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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The caller in messenger_v1.c loads it anyway, so let's keep the
pointer in the register instead of reloading it from memory. This
eliminates a tiny bit of unnecessary overhead.
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Use the HMAC-SHA256 library functions instead of crypto_shash. This is
simpler and faster.
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Pull more VFIO updates from Alex Williamson:
- Optimizations for DMA map and unmap opertions through the type1 vfio
IOMMU backend.
This uses various means of batching and hints from the mm structures
to improve efficiency and therefore performance, resulting in a
significant speedup for huge page use cases (Li Zhe)
- Expose supported device migration features through debugfs (Cédric Le
Goater)
* tag 'vfio-v6.18-rc1-pt2' of https://github.com/awilliam/linux-vfio:
vfio: Dump migration features under debugfs
vfio/type1: optimize vfio_unpin_pages_remote()
vfio/type1: introduce a new member has_rsvd for struct vfio_dma
vfio/type1: batch vfio_find_vpfn() in function vfio_unpin_pages_remote()
vfio/type1: optimize vfio_pin_pages_remote()
mm: introduce num_pages_contiguous()
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- Conversions to yaml/json schema and fixes for input-related device
tree bindings
- New drivers:
- Awinic AW86927 haptic chip
- Hynitron CST816x series controller
- Himax HX852x(ES) touchscreen controller
- Fix uinput to not leak kernel memory via a gap in
uinput_ff_upload_compat structure
- Prevent overflow in pressure calculation in tsc2007 driver causing
phantom touches
- Make the Atmel maxTouch driver support generic touchscreen
configuration (flip, rotate, etc)
- Drop support for platform data in tca8418_keypad, pxa27x-keypad,
spear-keyboard and twl4030_keypad drivers, they all now rely on
generic device properties for configuration
- Other assorted changes and fixes
* tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
Input: atmel_mxt_ts - allow reset GPIO to sleep
Input: aw86927 - fix error code in probe()
Input: psxpad-spi - add a check for the return value of spi_setup()
Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
Input: aw86927 - add driver for Awinic AW86927
dt-bindings: input: Add Awinic AW86927
dt-bindings: touchscreen: remove touchscreen.txt
dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add touchscreen child node
dt-bindings: touchscreen: convert eeti bindings to json schema
Input: pm8941-pwrkey - disable wakeup for resin by default
dt-bindings: input: pm8941-pwrkey: Document wakeup-source property
Input: add driver for Hynitron CST816x series
dt-bindings: input: touchscreen: add hynitron cst816x series
Input: imx6ul_tsc - set glitch threshold by DTS property
dt-bindings: touchscreen: fsl,imx6ul-tsc: support glitch thresold
dt-bindings: touchscreen: add debounce-delay-us property
Input: ps2-gpio - fix typo
Input: atmel_mxt_ts - add support for generic touchscreen configurations
dt-bindings: input: maxtouch: add common touchscreen properties
dt-bindings: touchscreen: convert zet6223 bindings to json schema
...
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syzkaller discovered the following crash: (kernel BUG)
[ 44.607039] ------------[ cut here ]------------
[ 44.607422] kernel BUG at mm/userfaultfd.c:2067!
[ 44.608148] Oops: invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC KASAN NOPTI
[ 44.608814] CPU: 1 UID: 0 PID: 2475 Comm: reproducer Not tainted 6.16.0-rc6 #1 PREEMPT(none)
[ 44.609635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 44.610695] RIP: 0010:userfaultfd_release_all+0x3a8/0x460
<snip other registers, drop unreliable trace>
[ 44.617726] Call Trace:
[ 44.617926] <TASK>
[ 44.619284] userfaultfd_release+0xef/0x1b0
[ 44.620976] __fput+0x3f9/0xb60
[ 44.621240] fput_close_sync+0x110/0x210
[ 44.622222] __x64_sys_close+0x8f/0x120
[ 44.622530] do_syscall_64+0x5b/0x2f0
[ 44.622840] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 44.623244] RIP: 0033:0x7f365bb3f227
Kernel panics because it detects UFFD inconsistency during
userfaultfd_release_all(). Specifically, a VMA which has a valid pointer
to vma->vm_userfaultfd_ctx, but no UFFD flags in vma->vm_flags.
The inconsistency is caused in ksm_madvise(): when user calls madvise()
with MADV_UNMEARGEABLE on a VMA that is registered for UFFD in MINOR mode,
it accidentally clears all flags stored in the upper 32 bits of
vma->vm_flags.
Assuming x86_64 kernel build, unsigned long is 64-bit and unsigned int and
int are 32-bit wide. This setup causes the following mishap during the &=
~VM_MERGEABLE assignment.
VM_MERGEABLE is a 32-bit constant of type unsigned int, 0x8000'0000.
After ~ is applied, it becomes 0x7fff'ffff unsigned int, which is then
promoted to unsigned long before the & operation. This promotion fills
upper 32 bits with leading 0s, as we're doing unsigned conversion (and
even for a signed conversion, this wouldn't help as the leading bit is 0).
& operation thus ends up AND-ing vm_flags with 0x0000'0000'7fff'ffff
instead of intended 0xffff'ffff'7fff'ffff and hence accidentally clears
the upper 32-bits of its value.
Fix it by changing `VM_MERGEABLE` constant to unsigned long, using the
BIT() macro.
Note: other VM_* flags are not affected: This only happens to the
VM_MERGEABLE flag, as the other VM_* flags are all constants of type int
and after ~ operation, they end up with leading 1 and are thus converted
to unsigned long with leading 1s.
Note 2:
After commit 31defc3b01d9 ("userfaultfd: remove (VM_)BUG_ON()s"), this is
no longer a kernel BUG, but a WARNING at the same place:
[ 45.595973] WARNING: CPU: 1 PID: 2474 at mm/userfaultfd.c:2067
but the root-cause (flag-drop) remains the same.
[akpm@linux-foundation.org: rust bindgen wasn't able to handle BIT(), from Miguel]
Link: https://lore.kernel.org/oe-kbuild-all/202510030449.VfSaAjvd-lkp@intel.com/
Link: https://lkml.kernel.org/r/20251001090353.57523-2-acsjakub@amazon.de
Fixes: 7677f7fd8be7 ("userfaultfd: add minor fault registration mode")
Signed-off-by: Jakub Acs <acsjakub@amazon.de>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: SeongJae Park <sj@kernel.org>
Tested-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Xu Xin <xu.xin16@zte.com.cn>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Peter Xu <peterx@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
Generally memcg charging is allowed from all the contexts including NMI
where even spinning on spinlock can cause locking issues. However one
call chain was missed during the addition of memcg charging from any
context support. That is try_charge_memcg() -> memcg_memory_event() ->
cgroup_file_notify().
The possible function call tree under cgroup_file_notify() can acquire
many different spin locks in spinning mode. Some of them are
cgroup_file_kn_lock, kernfs_notify_lock, pool_workqeue's lock. So, let's
just skip cgroup_file_notify() from memcg charging if the context does not
allow spinning.
Alternative approach was also explored where instead of skipping
cgroup_file_notify(), we defer the memcg event processing to irq_work [1].
However it adds complexity and it was decided to keep things simple until
we need more memcg events with !allow_spinning requirement.
Link: https://lore.kernel.org/all/5qi2llyzf7gklncflo6gxoozljbm4h3tpnuv4u4ej4ztysvi6f@x44v7nz2wdzd/ [1]
Link: https://lkml.kernel.org/r/20250922220203.261714-1-shakeel.butt@linux.dev
Fixes: 3ac4638a734a ("memcg: make memcg_rstat_updated nmi safe")
Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Closes: https://lore.kernel.org/all/20250905061919.439648-1-yepeilin@google.com/
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Peilin Ye <yepeilin@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Tejun Heo <tj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
A vmalloc allocation is preserved using binary structure similar to global
KHO memory tracker. It's a linked list of pages where each page is an
array of physical address of pages in vmalloc area.
kho_preserve_vmalloc() hands out the physical address of the head page to
the caller. This address is used as the argument to kho_vmalloc_restore()
to restore the mapping in the vmalloc address space and populate it with
the preserved pages.
[pasha.tatashin@soleen.com: free chunks using free_page() not kfree()]
Link: https://lkml.kernel.org/r/mafs0a52idbeg.fsf@kernel.org
[akpm@linux-foundation.org: coding-style cleanups]
Link: https://lkml.kernel.org/r/20250921054458.4043761-4-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Cc: Alexander Graf <graf@amazon.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Changyuan Lyu <changyuanl@google.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
to make it clear that KHO operates on pages rather than on a random
physical address.
The kho_preserve_pages() will be also used in upcoming support for vmalloc
preservation.
Link: https://lkml.kernel.org/r/20250921054458.4043761-3-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alexander Graf <graf@amazon.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Changyuan Lyu <changyuanl@google.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping fixes from Marek Szyprowski:
"Two small fixes for the recently performed code refactoring (Shigeru
Yoshida) and missing handling of direction parameter in DMA debug code
(Petr Tesarik)"
* tag 'dma-mapping-6.18-2025-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma-mapping: fix direction in dma_alloc direction traces
kmsan: fix kmsan_handle_dma() to avoid false positives
|
|
Queue read and write pointers are "to KFD", not "from KFD".
Suggested-by: Robert Liu <robert.liu@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Robert Liu <robert.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are cpufreq fixes and cleanups on top of the material merged
previously, a power management core code fix and updates of the
runtime PM framework including unit tests, documentation updates and
introduction of auto-cleanup macros for runtime PM "resume and get"
and "get without resuming" operations.
Specifics:
- Make cpufreq drivers setting the default CPU transition latency to
CPUFREQ_ETERNAL specify a proper default transition latency value
instead which addresses a regression introduced during the 6.6
cycle that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)
- Make the cpufreq CPPC driver use a proper transition delay value
when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency()
to indicate an error condition (Rafael Wysocki)
- Make cppc_get_transition_latency() return a negative error code to
indicate error conditions instead of using CPUFREQ_ETERNAL for this
purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
Wysocki, Gopi Krishna Menon)
- Fix device leak in the mediatek cpufreq driver (Johan Hovold)
- Set target frequency on all CPUs sharing a policy during frequency
updates in the tegra186 cpufreq driver and make it initialize all
cores to max frequencies (Aaron Kling)
- Rust cpufreq helper cleanup (Thorsten Blum)
- Make pm_runtime_put*() family of functions return 1 when the given
device is already suspended which is consistent with the
documentation (Brian Norris)
- Add basic kunit tests for runtime PM API contracts and update
return values in kerneldoc comments for the runtime PM API (Brian
Norris, Dan Carpenter)
- Add auto-cleanup macros for runtime PM "resume and get" and "get
without resume" operations, use one of them in the PCI core and
drop the existing "free" macro introduced for similar purpose, but
somewhat cumbersome to use (Rafael Wysocki)
- Make the core power management code avoid waiting on device links
marked as SYNC_STATE_ONLY which is consistent with the handling of
those device links elsewhere (Pin-yen Lin)"
* tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
docs/zh_CN: Fix malformed table
docs/zh_TW: Fix malformed table
PM: runtime: Fix error checking for kunit_device_register()
PM: runtime: Introduce one more usage counter guard
cpufreq: Drop unused symbol CPUFREQ_ETERNAL
ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
PCI/sysfs: Use runtime PM guard macro for auto-cleanup
PM: runtime: Add auto-cleanup macros for "resume and get" operations
cpufreq: tegra186: Initialize all cores to max frequencies
cpufreq: tegra186: Set target frequency for all cpus in policy
rust: cpufreq: streamline find_supply_names
cpufreq: mediatek: fix device leak on probe failure
PM: sleep: Do not wait on SYNC_STATE_ONLY device links
PM: runtime: Update kerneldoc return codes
PM: runtime: Make put{,_sync}() return 1 when already suspended
PM: runtime: Add basic kunit tests for API contracts
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"There's a bunch of patches here across drivers/clk/ to migrate drivers
to use struct clk_ops::determine_rate() instead of the round_rate()
one so that we can remove the round_rate clk_op entirely. Brian has
taken up that task which nobody else has wanted to do for close to a
decade. Thanks Brian!
This is all prerequisite work to get to the real task of improving the
clk rate setting process. Once we have determine_rate() used
everywhere, we'll be able to do things like chain the rate request
structs in linked lists to order the rate setting operations or add
more parameters without having to change every clk driver in
existence. It's also nice to not have multiple ways to do something
which just causes confusion for clk driver authors. Overall I'm glad
this is getting done.
Beyond this change we also have a tweak to the clk_lookup() function
in the core framework to use hashing on the clk name instead of a clk
tree walk with string comparisons. We _still_ rely on the clk name to
be unique, because historically we've used globally unique strings to
describe the clk tree topology. This tree walk becomes increasingly
slow as more clks are added to the system. Searching from the roots
for a duplicate is simple but pretty dumb and it wastes boot time so
we're using a hash table as an improvement. Ideally we wouldn't rely
on the strings to be unique at all, relegating them to simply debug
information, but that is future work that will likely require some
sort of Kconfig knob indicating strings aren't used for topology
description.
Outside of the core framework changes we have the usual new SoC
support and fixes to clk drivers for things that were discovered once
the clks were used by consumer drivers. Nothing in particular is
jumping out at me in the "misc" pile, except maybe the Amlogic driver
that has gone through a refactoring. That series got a fix from
testing in -next though so it seems likely that things have been
getting good test coverage for a couple weeks already"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (299 commits)
clk: microchip: core: remove duplicate roclk_determine_rate()
reset: aspeed: register AST2700 reset auxiliary bus device
dt-bindings: clock: ast2700: modify soc0/1 clock define
clk: tegra: do not overallocate memory for bpmp clocks
clk: ep93xx: Use int type to store negative error codes
clk: nxp: Fix pll0 rate check condition in LPC18xx CGU driver
clk: loongson2: Add clock definitions for Loongson-2K0300 SoC
clk: loongson2: Avoid hardcoding firmware name of the reference clock
clk: loongson2: Allow zero divisors for dividers
clk: loongson2: Support scale clocks with an alternative mode
clk: loongson2: Allow specifying clock flags for gate clock
dt-bindings: clock: loongson2: Add Loongson-2K0300 compatible
clk: clocking-wizard: Fix output clock register offset for Versal platforms
clk: xilinx: Optimize divisor search in clk_wzrd_get_divisors_ver()
clk: mmp: pxa1908: Instantiate power driver through auxiliary bus
clk: s2mps11: add support for S2MPG10 PMIC clock
dt-bindings: clock: samsung,s2mps11: add s2mpg10
dt-bindings: stm32: cosmetic fixes for STM32MP25 clock and reset bindings
clk: stm32: introduce clocks for STM32MP21 platform
dt-bindings: stm32: add STM32MP21 clocks and reset bindings
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Unify guest entry code for KVM and MSHV (Sean Christopherson)
- Switch Hyper-V MSI domain to use msi_create_parent_irq_domain()
(Nam Cao)
- Add CONFIG_HYPERV_VMBUS and limit the semantics of CONFIG_HYPERV
(Mukesh Rathor)
- Add kexec/kdump support on Azure CVMs (Vitaly Kuznetsov)
- Deprecate hyperv_fb in favor of Hyper-V DRM driver (Prasanna
Kumar T S M)
- Miscellaneous enhancements, fixes and cleanups (Abhishek Tiwari,
Alok Tiwari, Nuno Das Neves, Wei Liu, Roman Kisel, Michael Kelley)
* tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hyperv: Remove the spurious null directive line
MAINTAINERS: Mark hyperv_fb driver Obsolete
fbdev/hyperv_fb: deprecate this in favor of Hyper-V DRM driver
Drivers: hv: Make CONFIG_HYPERV bool
Drivers: hv: Add CONFIG_HYPERV_VMBUS option
Drivers: hv: vmbus: Fix typos in vmbus_drv.c
Drivers: hv: vmbus: Fix sysfs output format for ring buffer index
Drivers: hv: vmbus: Clean up sscanf format specifier in target_cpu_store()
x86/hyperv: Switch to msi_create_parent_irq_domain()
mshv: Use common "entry virt" APIs to do work in root before running guest
entry: Rename "kvm" entry code assets to "virt" to genericize APIs
entry/kvm: KVM: Move KVM details related to signal/-EINTR into KVM proper
mshv: Handle NEED_RESCHED_LAZY before transferring to guest
x86/hyperv: Add kexec/kdump support on Azure CVMs
Drivers: hv: Simplify data structures for VMBus channel close message
Drivers: hv: util: Cosmetic changes for hv_utils_transport.c
mshv: Add support for a new parent partition configuration
clocksource: hyper-v: Skip unnecessary checks for the root partition
hyperv: Add missing field to hv_output_map_device_interrupt
|
|
Keep bio_iov_iter_get_bdev_pages local with the callers, as blindly
looking at the bdev logical block size is often not the best idea
unless on a block device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Now that the bio_iov_iter_get_pages is free again, use it instead of
the more complicated now. Also drop the unused export.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Switch the only caller to bio_iov_iter_get_pages, and explain why it does
not have any alignment requirements.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Be consistent with tab style of "liburing/src/include/liburing/io_uring.h".
Signed-off-by: Haiyue Wang <haiyuewa@163.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Maintain two separate RB trees per order - one for clear (zeroed) blocks
and another for dirty (uncleared) blocks. This separation improves
code clarity and makes it more obvious which tree is being searched
during allocation. It also improves scalability and efficiency when
searching for a specific type of block, avoiding unnecessary checks
and making the allocator more predictable under fragmentation.
The changes have been validated using the existing drm_buddy_test
KUnit test cases, along with selected graphics workloads,
to ensure correctness and avoid regressions.
v2: Missed adding the suggested-by tag. Added it in v2.
v3(Matthew):
- Remove the double underscores from the internal functions.
- Rename the internal functions to have less generic names.
- Fix the error handling code.
- Pass tree argument for the tree macro.
- Use the existing dirty/free bit instead of new tree field.
- Make free_trees[] instead of clear_tree and dirty_tree for
more cleaner approach.
v4:
- A bug was reported by Intel CI and it is fixed by
Matthew Auld.
- Replace the get_root function with
&mm->free_trees[tree][order] (Matthew)
- Remove the unnecessary rbtree_is_empty() check (Matthew)
- Remove the unnecessary get_tree_for_flags() function.
- Rename get_tree_for_block() name with get_block_tree() for more
clarity.
v5(Jani Nikula):
- Don't use static inline in .c files.
- enum free_tree and enumerator names are quite generic for a header
and usage and the whole enum should be an implementation detail.
v6:
- Rewrite the __force_merge() function using the rb_last() and rb_prev().
v7(Matthew):
- Replace the open-coded tree iteration for loops with the
for_each_free_tree() macro throughout the code.
- Fixed out_free_roots to prevent double decrement of i,
addressing potential crash.
- Replaced enum drm_buddy_free_tree with unsigned int
in for_each_free_tree loops.
Cc: stable@vger.kernel.org
Fixes: a68c7eaa7a8f ("drm/amdgpu: Enable clear page functionality")
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Suggested-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4260
Link: https://lore.kernel.org/r/20251006095124.1663-2-Arunpravin.PaneerSelvam@amd.com
|
|
Replace the freelist (O(n)) used for free block management with a
red-black tree, providing more efficient O(log n) search, insert,
and delete operations. This improves scalability and performance
when managing large numbers of free blocks per order (e.g., hundreds
or thousands).
In the VK-CTS memory stress subtest, the buddy manager merges
fragmented memory and inserts freed blocks into the freelist. Since
freelist insertion is O(n), this becomes a bottleneck as fragmentation
increases. Benchmarking shows list_insert_sorted() consumes ~52.69% CPU
with the freelist, compared to just 0.03% with the RB tree
(rbtree_insert.isra.0), despite performing the same sorted insert.
This also improves performance in heavily fragmented workloads,
such as games or graphics tests that stress memory.
As the buddy allocator evolves with new features such as clear-page
tracking, the resulting fragmentation and complexity have grown.
These RB-tree based design changes are introduced to address that
growth and ensure the allocator continues to perform efficiently
under fragmented conditions.
The RB tree implementation with separate clear/dirty trees provides:
- O(n log n) aggregate complexity for all operations instead of O(n^2)
- Elimination of soft lockups and system instability
- Improved code maintainability and clarity
- Better scalability for large memory systems
- Predictable performance under fragmentation
v3(Matthew):
- Remove RB_EMPTY_NODE check in force_merge function.
- Rename rb for loop macros to have less generic names and move to
.c file.
- Make the rb node rb and link field as union.
v4(Jani Nikula):
- The kernel-doc comment should be "/**"
- Move all the rbtree macros to rbtree.h and add parens to ensure
correct precedence.
v5:
- Remove the inline in a .c file (Jani Nikula).
v6(Peter Zijlstra):
- Add rb_add() function replacing the existing rbtree_insert() code.
v7:
- A full walk iteration in rbtree is slower than the list (Peter Zijlstra).
- The existing rbtree_postorder_for_each_entry_safe macro should be used
in scenarios where traversal order is not a critical factor (Christian).
v8(Matthew):
- Remove the rbtree_is_empty() check in this patch as well.
Cc: stable@vger.kernel.org
Fixes: a68c7eaa7a8f ("drm/amdgpu: Enable clear page functionality")
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/20251006095124.1663-1-Arunpravin.PaneerSelvam@amd.com
|
|
Merge cpufreq fixes and cleanups, mostly on top of those fixes, for
6.18-rc1:
- Make cpufreq drivers setting the default CPU transition latency to
CPUFREQ_ETERNAL specify a proper default transition latency value
instead which addresses a regression introduced during the 6.6 cycle
that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)
- Make the cpufreq CPPC driver use a proper transition delay value
when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency() to
indicate an error condition (Rafael Wysocki)
- Make cppc_get_transition_latency() return a negative error code to
indicate error conditions instead of using CPUFREQ_ETERNAL for this
purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
Wysocki, Gopi Krishna Menon)
- Fix device leak in the mediatek cpufreq driver (Johan Hovold)
- Set target frequency on all CPUs sharing a policy during frequency
updates in the tegra186 cpufreq driver and make it initialize all
cores to max frequencies (Aaron Kling)
- Rust cpufreq helper cleanup (Thorsten Blum)
* pm-cpufreq:
docs/zh_CN: Fix malformed table
docs/zh_TW: Fix malformed table
cpufreq: Drop unused symbol CPUFREQ_ETERNAL
ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
cpufreq: tegra186: Initialize all cores to max frequencies
cpufreq: tegra186: Set target frequency for all cpus in policy
rust: cpufreq: streamline find_supply_names
cpufreq: mediatek: fix device leak on probe failure
|
|
Merge runtime PM framework updates and a core power management code fix
for 6.18-rc1:
- Make pm_runtime_put*() family of functions return 1 when the
given device is already suspended which is consistent with the
documentation (Brian Norris)
- Add basic kunit tests for runtime PM API contracts and update return
values in kerneldoc coments for the runtime PM API (Brian Norris,
Dan Carpenter)
- Add auto-cleanup macros for runtime PM "resume and get" and "get
without resume" operations, use one of them in the PCI core and
drop the existing "free" macro introduced for similar purpose, but
somewhat cumbersome to use (Rafael Wysocki)
- Make the core power management code avoid waiting on device links
marked as SYNC_STATE_ONLY which is consistent with the handling of
those device links elsewhere (Pin-yen Lin)
* pm-core:
PM: sleep: Do not wait on SYNC_STATE_ONLY device links
* pm-runtime:
PM: runtime: Fix error checking for kunit_device_register()
PM: runtime: Introduce one more usage counter guard
PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
PCI/sysfs: Use runtime PM guard macro for auto-cleanup
PM: runtime: Add auto-cleanup macros for "resume and get" operations
PM: runtime: Update kerneldoc return codes
PM: runtime: Make put{,_sync}() return 1 when already suspended
PM: runtime: Add basic kunit tests for API contracts
|
|
Pull nfsd updates from Chuck Lever:
"Mike Snitzer has prototyped a mechanism for disabling I/O caching in
NFSD. This is introduced in v6.18 as an experimental feature. This
enables scaling NFSD in /both/ directions:
- NFS service can be supported on systems with small memory
footprints, such as low-cost cloud instances
- Large NFS workloads will be less likely to force the eviction of
server-local activity, helping it avoid thrashing
Jeff Layton contributed a number of fixes to the new attribute
delegation implementation (based on a pending Internet RFC) that we
hope will make attribute delegation reliable enough to enable by
default, as it is on the Linux NFS client.
The remaining patches in this pull request are clean-ups and minor
optimizations. Many thanks to the contributors, reviewers, testers,
and bug reporters who participated during the v6.18 NFSD development
cycle"
* tag 'nfsd-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (42 commits)
nfsd: discard nfserr_dropit
SUNRPC: Make RPCSEC_GSS_KRB5 select CRYPTO instead of depending on it
NFSD: Add io_cache_{read,write} controls to debugfs
NFSD: Do the grace period check in ->proc_layoutget
nfsd: delete unnecessary NULL check in __fh_verify()
NFSD: Allow layoutcommit during grace period
NFSD: Disallow layoutget during grace period
sunrpc: fix "occurence"->"occurrence"
nfsd: Don't force CRYPTO_LIB_SHA256 to be built-in
nfsd: nfserr_jukebox in nlm_fopen should lead to a retry
NFSD: Reduce DRC bucket size
NFSD: Delay adding new entries to LRU
SUNRPC: Move the svc_rpcb_cleanup() call sites
NFS: Remove rpcbind cleanup for NFSv4.0 callback
nfsd: unregister with rpcbind when deleting a transport
NFSD: Drop redundant conversion to bool
sunrpc: eliminate return pointer in svc_tcp_sendmsg()
sunrpc: fix pr_notice in svc_tcp_sendto() to show correct length
nfsd: decouple the xprtsec policy check from check_nfsd_access()
NFSD: Fix destination buffer size in nfsd4_ssc_setup_dul()
...
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Pull x86 kvm updates from Paolo Bonzini:
"Generic:
- Rework almost all of KVM's exports to expose symbols only to KVM's
x86 vendor modules (kvm-{amd,intel}.ko and PPC's kvm-{pr,hv}.ko
x86:
- Rework almost all of KVM x86's exports to expose symbols only to
KVM's vendor modules, i.e. to kvm-{amd,intel}.ko
- Add support for virtualizing Control-flow Enforcement Technology
(CET) on Intel (Shadow Stacks and Indirect Branch Tracking) and AMD
(Shadow Stacks).
It is worth noting that while SHSTK and IBT can be enabled
separately in CPUID, it is not really possible to virtualize them
separately. Therefore, Intel processors will really allow both
SHSTK and IBT under the hood if either is made visible in the
guest's CPUID. The alternative would be to intercept
XSAVES/XRSTORS, which is not feasible for performance reasons
- Fix a variety of fuzzing WARNs all caused by checking L1 intercepts
when completing userspace I/O. KVM has already committed to
allowing L2 to to perform I/O at that point
- Emulate PERF_CNTR_GLOBAL_STATUS_SET for PerfMonV2 guests, as the
MSR is supposed to exist for v2 PMUs
- Allow Centaur CPU leaves (base 0xC000_0000) for Zhaoxin CPUs
- Add support for the immediate forms of RDMSR and WRMSRNS, sans full
emulator support (KVM should never need to emulate the MSRs outside
of forced emulation and other contrived testing scenarios)
- Clean up the MSR APIs in preparation for CET and FRED
virtualization, as well as mediated vPMU support
- Clean up a pile of PMU code in anticipation of adding support for
mediated vPMUs
- Reject in-kernel IOAPIC/PIT for TDX VMs, as KVM can't obtain EOI
vmexits needed to faithfully emulate an I/O APIC for such guests
- Many cleanups and minor fixes
- Recover possible NX huge pages within the TDP MMU under read lock
to reduce guest jitter when restoring NX huge pages
- Return -EAGAIN during prefault if userspace concurrently
deletes/moves the relevant memslot, to fix an issue where
prefaulting could deadlock with the memslot update
x86 (AMD):
- Enable AVIC by default for Zen4+ if x2AVIC (and other prereqs) is
supported
- Require a minimum GHCB version of 2 when starting SEV-SNP guests
via KVM_SEV_INIT2 so that invalid GHCB versions result in immediate
errors instead of latent guest failures
- Add support for SEV-SNP's CipherText Hiding, an opt-in feature that
prevents unauthorized CPU accesses from reading the ciphertext of
SNP guest private memory, e.g. to attempt an offline attack. This
feature splits the shared SEV-ES/SEV-SNP ASID space into separate
ranges for SEV-ES and SEV-SNP guests, therefore a new module
parameter is needed to control the number of ASIDs that can be used
for VMs with CipherText Hiding vs. how many can be used to run
SEV-ES guests
- Add support for Secure TSC for SEV-SNP guests, which prevents the
untrusted host from tampering with the guest's TSC frequency, while
still allowing the the VMM to configure the guest's TSC frequency
prior to launch
- Validate the XCR0 provided by the guest (via the GHCB) to avoid
bugs resulting from bogus XCR0 values
- Save an SEV guest's policy if and only if LAUNCH_START fully
succeeds to avoid leaving behind stale state (thankfully not
consumed in KVM)
- Explicitly reject non-positive effective lengths during SNP's
LAUNCH_UPDATE instead of subtly relying on guest_memfd to deal with
them
- Reload the pre-VMRUN TSC_AUX on #VMEXIT for SEV-ES guests, not the
host's desired TSC_AUX, to fix a bug where KVM was keeping a
different vCPU's TSC_AUX in the host MSR until return to userspace
KVM (Intel):
- Preparation for FRED support
- Don't retry in TDX's anti-zero-step mitigation if the target
memslot is invalid, i.e. is being deleted or moved, to fix a
deadlock scenario similar to the aforementioned prefaulting case
- Misc bugfixes and minor cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (142 commits)
KVM: x86: Export KVM-internal symbols for sub-modules only
KVM: x86: Drop pointless exports of kvm_arch_xxx() hooks
KVM: x86: Move kvm_intr_is_single_vcpu() to lapic.c
KVM: Export KVM-internal symbols for sub-modules only
KVM: s390/vfio-ap: Use kvm_is_gpa_in_memslot() instead of open coded equivalent
KVM: VMX: Make CR4.CET a guest owned bit
KVM: selftests: Verify MSRs are (not) in save/restore list when (un)supported
KVM: selftests: Add coverage for KVM-defined registers in MSRs test
KVM: selftests: Add KVM_{G,S}ET_ONE_REG coverage to MSRs test
KVM: selftests: Extend MSRs test to validate vCPUs without supported features
KVM: selftests: Add support for MSR_IA32_{S,U}_CET to MSRs test
KVM: selftests: Add an MSR test to exercise guest/host and read/write
KVM: x86: Define AMD's #HV, #VC, and #SX exception vectors
KVM: x86: Define Control Protection Exception (#CP) vector
KVM: x86: Add human friendly formatting for #XM, and #VE
KVM: SVM: Enable shadow stack virtualization for SVM
KVM: SEV: Synchronize MSR_IA32_XSS from the GHCB when it's valid
KVM: SVM: Pass through shadow stack MSRs as appropriate
KVM: SVM: Update dump_vmcb with shadow stack save area additions
KVM: nSVM: Save/load CET Shadow Stack state to/from vmcb12/vmcb02
...
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Helge reported that the introduction of PP_MAGIC_MASK let to crashes on
boot on his 32-bit parisc machine. The cause of this is the mask is set
too wide, so the page_pool_page_is_pp() incurs false positives which
crashes the machine.
Just disabling the check in page_pool_is_pp() will lead to the page_pool
code itself malfunctioning; so instead of doing this, this patch changes
the define for PP_DMA_INDEX_BITS to avoid mistaking arbitrary kernel
pointers for page_pool-tagged pages.
The fix relies on the kernel pointers that alias with the pp_magic field
always being above PAGE_OFFSET. With this assumption, we can use the
lowest bit of the value of PAGE_OFFSET as the upper bound of the
PP_DMA_INDEX_MASK, which should avoid the false positives.
Because we cannot rely on PAGE_OFFSET always being a compile-time
constant, nor on it always being >0, we fall back to disabling the
dma_index storage when there are not enough bits available. This leaves
us in the situation we were in before the patch in the Fixes tag, but
only on a subset of architecture configurations. This seems to be the
best we can do until the transition to page types in complete for
page_pool pages.
v2:
- Make sure there's at least 8 bits available and that the PAGE_OFFSET
bit calculation doesn't wrap
Link: https://lore.kernel.org/all/aMNJMFa5fDalFmtn@p100/
Fixes: ee62ce7a1d90 ("page_pool: Track DMA-mapped pages and unmap them when destroying the pool")
Cc: stable@vger.kernel.org # 6.15+
Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Tested-by: Helge Deller <deller@gmx.de>
Link: https://patch.msgid.link/20250930114331.675412-1-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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* clk-determine-rate: (120 commits)
clk: microchip: core: remove duplicate roclk_determine_rate()
clk: nxp: Fix pll0 rate check condition in LPC18xx CGU driver
clk: scmi: migrate round_rate() to determine_rate()
clk: ti: fapll: convert from round_rate() to determine_rate()
clk: ti: dra7-atl: convert from round_rate() to determine_rate()
clk: ti: divider: convert from round_rate() to determine_rate()
clk: ti: composite: convert from round_rate() to determine_rate()
clk: ti: dpll: convert from round_rate() to determine_rate()
clk: ti: dpll: change error return from ~0 to -EINVAL
clk: ti: dpll: remove round_rate() in favor of determine_rate()
clk: tegra: tegra210-emc: convert from round_rate() to determine_rate()
clk: tegra: super: convert from round_rate() to determine_rate()
clk: tegra: pll: convert from round_rate() to determine_rate()
clk: tegra: periph: divider: convert from round_rate() to determine_rate()
clk: tegra: divider: convert from round_rate() to determine_rate()
clk: tegra: audio-sync: convert from round_rate() to determine_rate()
clk: fixed-factor: drop round_rate() clk ops
clk: divider: remove round_rate() in favor of determine_rate()
clk: visconti: pll: convert from round_rate() to determine_rate()
clk: versatile: vexpress-osc: convert from round_rate() to determine_rate()
...
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* clk-aspeed:
reset: aspeed: register AST2700 reset auxiliary bus device
dt-bindings: clock: ast2700: modify soc0/1 clock define
* clk-rockchip:
clk: rockchip: rk3368: use clock ids for SCLK_MIPIDSI_24M
dt-bindings: clock: rk3368: Add SCLK_MIPIDSI_24M
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'clk-loongson' into clk-next
- Add Mediatek MT8196 clk drivers
* clk-marvell:
clk: mmp: pxa1908: Instantiate power driver through auxiliary bus
* clk-xilinx:
clk: clocking-wizard: Fix output clock register offset for Versal platforms
clk: xilinx: Optimize divisor search in clk_wzrd_get_divisors_ver()
* clk-mediatek: (31 commits)
clk: mediatek: Add MT8196 vencsys clock support
clk: mediatek: Add MT8196 vdecsys clock support
clk: mediatek: Add MT8196 ovl1 clock support
clk: mediatek: Add MT8196 ovl0 clock support
clk: mediatek: Add MT8196 disp-ao clock support
clk: mediatek: Add MT8196 disp1 clock support
clk: mediatek: Add MT8196 disp0 clock support
clk: mediatek: Add MT8196 mfg clock support
clk: mediatek: Add MT8196 mdpsys clock support
clk: mediatek: Add MT8196 mcu clock support
clk: mediatek: Add MT8196 I2C clock support
clk: mediatek: Add MT8196 pextpsys clock support
clk: mediatek: Add MT8196 ufssys clock support
clk: mediatek: Add MT8196 peripheral clock support
clk: mediatek: Add MT8196 vlpckgen clock support
clk: mediatek: Add MT8196 topckgen2 clock support
clk: mediatek: Add MT8196 topckgen clock support
clk: mediatek: Add MT8196 apmixedsys clock support
dt-bindings: clock: mediatek: Describe MT8196 clock controllers
clk: mediatek: clk-mtk: Add MUX_DIV_GATE macro
...
* clk-loongson:
clk: loongson2: Add clock definitions for Loongson-2K0300 SoC
clk: loongson2: Avoid hardcoding firmware name of the reference clock
clk: loongson2: Allow zero divisors for dividers
clk: loongson2: Support scale clocks with an alternative mode
clk: loongson2: Allow specifying clock flags for gate clock
dt-bindings: clock: loongson2: Add Loongson-2K0300 compatible
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- Speed up clk_core_lookup() by using a hashtable
* clk-microchip:
ARM: at91: remove default values for PMC_PLL_ACR
clk: at91: add ACR in all PLL settings
clk: at91: sam9x7: Add peripheral clock id for pmecc
clk: at91: clk-master: Add check for divide by 3
clk: at91: clk-sam9x60-pll: force write to PLL_UPDT register
ARM: at91: pm: save and restore ACR during PLL disable/enable
* clk-lookup:
clk: Use hashtable for global clk lookups
clk: Sort include statements
* clk-st:
dt-bindings: stm32: cosmetic fixes for STM32MP25 clock and reset bindings
clk: stm32: introduce clocks for STM32MP21 platform
dt-bindings: stm32: add STM32MP21 clocks and reset bindings
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* clk-scmi:
clk: scmi: Add duty cycle ops only when duty cycle is supported
* clk-qcom: (27 commits)
clk: qcom: gcc-sc8280xp: drop obsolete PCIe GDSC comment
clk: qcom: tcsrcc-x1e80100: Set the bi_tcxo as parent to eDP refclk
clk: qcom: dispcc-glymur: Constify 'struct qcom_cc_desc'
clk: qcom: gcc: Add support for Global Clock controller found on MSM8937
dt-bindings: clock: qcom: Add MSM8937 Global Clock Controller
clk: qcom: Select the intended config in QCS_DISPCC_615
clk: qcom: common: Fix NULL vs IS_ERR() check in qcom_cc_icc_register()
clk: qcom: alpha-pll: convert from round_rate() to determine_rate()
clk: qcom: milos: Constify 'struct qcom_cc_desc'
clk: qcom: gcc: Add support for Global Clock Controller
dt-bindings: clock: qcom: document the Glymur Global Clock Controller
clk: qcom: clk-alpha-pll: Add support for Taycan EKO_T PLL
clk: qcom: rpmh: Add support for Glymur rpmh clocks
clk: qcom: Add TCSR clock driver for Glymur SoC
dt-bindings: clock: qcom: Document the Glymur SoC TCSR Clock Controller
dt-bindings: clock: qcom-rpmhcc: Add support for Glymur SoCs
clk: qcom: dispcc-glymur: Add support for Display Clock Controller
dt-bindings: clock: Add DISPCC and reset controller for GLYMUR SoC
clk: qcom: gcc-sdm660: Add missing LPASS/CDSP vote clocks
dt-bindings: clock: gcc-sdm660: Add LPASS/CDSP vote clocks/GDSCs
...
* clk-broadcom:
clk: bcm: rpi: Maximize V3D clock
clk: bcm: rpi: Turn firmware clock on/off when preparing/unpreparing
clk: bcm: rpi: Add missing logs if firmware fails
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* clk-imx:
clk: imx95-blk-ctl: Save/restore registers when RPM routines are called
clk: imx95-blk-ctl: Save platform data in imx95_blk_ctl structure
* clk-allwinner:
clk: sunxi-ng: add support for the A523/T527 MCU CCU
clk: sunxi-ng: div: support power-of-two dividers
clk: sunxi-ng: sun55i-a523-ccu: Add missing NPU module clock
dt-bindings: clock: sun55i-a523-ccu: Add A523 MCU CCU clock controller
dt-bindings: clock: sun55i-a523-ccu: Add missing NPU module clock
clk: sunxi-ng: sun6i-rtc: Add A523 specifics
* clk-ti:
clk: keystone: sci-clk: use devm_kmemdup_array()
clk: ti: am33xx: keep WKUP_DEBUGSS_CLKCTRL enabled
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* clk-samsung:
clk: s2mps11: add support for S2MPG10 PMIC clock
dt-bindings: clock: samsung,s2mps11: add s2mpg10
clk: samsung: exynos990: Add PERIC0 and PERIC1 clock support
dt-bindings: clock: exynos990: Add PERIC0 and PERIC1 clock units
clk: samsung: exynos990: Add missing USB clock registers to HSI0
clk: samsung: exynos990: Add LHS_ACEL gate clock for HSI0 and update CLK_NR_TOP
dt-bindings: clock: exynos990: Add LHS_ACEL clock ID for HSI0 block
clk: samsung: artpec-8: Add initial clock support for ARTPEC-8 SoC
clk: samsung: Add clock PLL support for ARTPEC-8 SoC
dt-bindings: clock: Add ARTPEC-8 clock controller
clk: samsung: exynos990: Add DPU_BUS and CMUREF mux/div and update CLKS_NR_TOP
dt-bindings: clock: exynos990: Extend clocks IDs
clk: samsung: exynos990: Replace bogus divs with fixed-factor clocks
clk: samsung: exynos990: Fix CMU_TOP mux/div bit widths
clk: samsung: exynos990: Use PLL_CON0 for PLL parent muxes
clk: samsung: pll: convert from round_rate() to determine_rate()
clk: samsung: cpu: convert from round_rate() to determine_rate()
clk: samsung: fsd: Add clk id for PCLK and PLL in CAM_CSI block
dt-bindings: clock: Add CAM_CSI clock macro for FSD
* clk-tegra:
clk: tegra: dfll: Add CVB tables for Tegra114
clk: tegra: Add DFLL DVCO reset control for Tegra114
dt-bindings: arm: tegra: Add ASUS TF101G and SL101
dt-bindings: reset: Add Tegra114 CAR header
dt-bindings: arm: tegra: Add Xiaomi Mi Pad (A0101)
dt-bindings: clock: tegra30: Add IDs for CSI pad clocks
dt-bindings: display: tegra: Move avdd-dsi-csi-supply from VI to CSI
dt-bindings: i2c: nvidia,tegra20-i2c: Document Tegra264 I2C
* clk-amlogic:
clk: amlogic: fix recent code refactoring
clk: amlogic: c3-peripherals: use helper for basic composite clocks
clk: amlogic: align s4 and c3 pwm clock descriptions
clk: amlogic: add composite clock helpers
clk: amlogic: use the common pclk definition
clk: amlogic: introduce a common pclk definition
clk: amlogic: pclk explicitly use CLK_IGNORE_UNUSED
clk: amlogic: drop CLK_SET_RATE_PARENT from peripheral clocks
clk: amlogic: move PCLK definition to clkc-utils
clk: amlogic: aoclk: use clkc-utils syscon probe
clk: amlogic: use probe helper in mmio based controllers
clk: amlogic: add probe helper for mmio based controllers
clk: amlogic: drop meson-clkcee
clk: amlogic: naming consistency alignment
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'clk-spacemit' into clk-next
* clk-bindings:
dt-bindings: clock: mediatek: Add power-domains property
dt-bindings: clock: silabs,si5341: Add missing properties
dt-bindings: clock: adi,axi-clkgen: add clock-output-names property
dt-bindings: clock: Remove unused fujitsu,mb86s70-crg11 binding
dt-bindings: clock: Convert silabs,si570 to DT schema
dt-bindings: clock: Convert silabs,si5341 to DT schema
dt-bindings: clock: Convert silabs,si514/544 to DT schema
* clk-cleanup:
clk: tegra: do not overallocate memory for bpmp clocks
clk: ep93xx: Use int type to store negative error codes
dt-bindings: clock: st: flexgen: remove deprecated compatibles
clk: st: flexgen: remove unused compatible
clk: clk-axi-clkgen: remove unneeded semicolon
clk: tegra: Remove redundant semicolons
clk: npcm: select CONFIG_AUXILIARY_BUS
clk: remove unneeded 'fast_io' parameter in regmap_config
* clk-renesas: (27 commits)
clk: renesas: r9a09g05[67]: Reduce differences
clk: renesas: r9a09g047: Add USB3.0 clocks/resets
clk: renesas: cpg-mssr: Fix memory leak in cpg_mssr_reserved_init()
clk: renesas: r9a09g056: Add clock and reset entries for I3C
clk: renesas: r9a09g057: Add clock and reset entries for I3C
dt-bindings: clock: renesas,r9a09g047-cpg: Add USB3.0 core clocks
clk: renesas: r9a09g077: Add Ethernet Subsystem core and module clocks
clk: renesas: rzv2h: Simplify polling condition in __rzv2h_cpg_assert()
clk: renesas: rzv2h: Re-assert reset on deassert timeout
clk: renesas: rzg2l: Re-assert reset on deassert timeout
clk: renesas: rzg2l: Simplify rzg2l_cpg_assert() and rzg2l_cpg_deassert()
dt-bindings: clock: renesas,r9a09g077/87: Add Ethernet clock IDs
clk: renesas: r9a09g047: Add GPT clocks and resets
clk: renesas: r9a09g077: Add module clocks for SCI1-SCI5
clk: renesas: rzv2h: remove round_rate() in favor of determine_rate()
clk: renesas: rzg2l: convert from round_rate() to determine_rate()
clk: renesas: r9a07g04[34]: Use tabs instead of spaces
clk: renesas: r9a07g043: Add MSTOP for RZ/G2UL
clk: renesas: r9a07g044: Add MSTOP for RZ/G2L
clk: renesas: r9a08g045: Add MSTOP for GPIO
...
* clk-thead:
clk: thead: th1520-ap: set all AXI clocks to CLK_IS_CRITICAL
clk: thead: support changing DPU pixel clock rate
clk: thead: add support for enabling/disabling PLLs
clk: thead: Correct parent for DPU pixel clocks
clk: thead: th1520-ap: fix parent of padctrl0 clock
clk: thead: th1520-ap: describe gate clocks with clk_gate
* clk-spacemit:
clk: spacemit: fix i2s clock
clk: spacemit: introduce pre-div for ddn clock
dt-bindings: clock: spacemit: introduce i2s pre-clock to fix i2s clock
clk: spacemit: ccu_pll: convert from round_rate() to determine_rate()
clk: spacemit: ccu_mix: convert from round_rate() to determine_rate()
clk: spacemit: ccu_ddn: convert from round_rate() to determine_rate()
clk: spacemit: fix sspax_clk
dt-bindings: clock: spacemit: CLK_SSPA_I2S_BCLK for SSPA
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