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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- "ida: Remove the ida_simple_xxx() API" from Christophe Jaillet
completes the removal of this legacy IDR API
- "panic: introduce panic status function family" from Jinchao Wang
provides a number of cleanups to the panic code and its various
helpers, which were rather ad-hoc and scattered all over the place
- "tools/delaytop: implement real-time keyboard interaction support"
from Fan Yu adds a few nice user-facing usability changes to the
delaytop monitoring tool
- "efi: Fix EFI boot with kexec handover (KHO)" from Evangelos
Petrongonas fixes a panic which was happening with the combination of
EFI and KHO
- "Squashfs: performance improvement and a sanity check" from Phillip
Lougher teaches squashfs's lseek() about SEEK_DATA/SEEK_HOLE. A mere
150x speedup was measured for a well-chosen microbenchmark
- plus another 50-odd singleton patches all over the place
* tag 'mm-nonmm-stable-2025-10-02-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (75 commits)
Squashfs: reject negative file sizes in squashfs_read_inode()
kallsyms: use kmalloc_array() instead of kmalloc()
MAINTAINERS: update Sibi Sankar's email address
Squashfs: add SEEK_DATA/SEEK_HOLE support
Squashfs: add additional inode sanity checking
lib/genalloc: fix device leak in of_gen_pool_get()
panic: remove CONFIG_PANIC_ON_OOPS_VALUE
ocfs2: fix double free in user_cluster_connect()
checkpatch: suppress strscpy warnings for userspace tools
cramfs: fix incorrect physical page address calculation
kernel: prevent prctl(PR_SET_PDEATHSIG) from racing with parent process exit
Squashfs: fix uninit-value in squashfs_get_parent
kho: only fill kimage if KHO is finalized
ocfs2: avoid extra calls to strlen() after ocfs2_sprintf_system_inode_name()
kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths
sched/task.h: fix the wrong comment on task_lock() nesting with tasklist_lock
coccinelle: platform_no_drv_owner: handle also built-in drivers
coccinelle: of_table: handle SPI device ID tables
lib/decompress: use designated initializers for struct compress_format
efi: support booting with kexec handover (KHO)
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- "mm, swap: improve cluster scan strategy" from Kairui Song improves
performance and reduces the failure rate of swap cluster allocation
- "support large align and nid in Rust allocators" from Vitaly Wool
permits Rust allocators to set NUMA node and large alignment when
perforning slub and vmalloc reallocs
- "mm/damon/vaddr: support stat-purpose DAMOS" from Yueyang Pan extend
DAMOS_STAT's handling of the DAMON operations sets for virtual
address spaces for ops-level DAMOS filters
- "execute PROCMAP_QUERY ioctl under per-vma lock" from Suren
Baghdasaryan reduces mmap_lock contention during reads of
/proc/pid/maps
- "mm/mincore: minor clean up for swap cache checking" from Kairui Song
performs some cleanup in the swap code
- "mm: vm_normal_page*() improvements" from David Hildenbrand provides
code cleanup in the pagemap code
- "add persistent huge zero folio support" from Pankaj Raghav provides
a block layer speedup by optionalls making the
huge_zero_pagepersistent, instead of releasing it when its refcount
falls to zero
- "kho: fixes and cleanups" from Mike Rapoport adds a few touchups to
the recently added Kexec Handover feature
- "mm: make mm->flags a bitmap and 64-bit on all arches" from Lorenzo
Stoakes turns mm_struct.flags into a bitmap. To end the constant
struggle with space shortage on 32-bit conflicting with 64-bit's
needs
- "mm/swapfile.c and swap.h cleanup" from Chris Li cleans up some swap
code
- "selftests/mm: Fix false positives and skip unsupported tests" from
Donet Tom fixes a few things in our selftests code
- "prctl: extend PR_SET_THP_DISABLE to only provide THPs when advised"
from David Hildenbrand "allows individual processes to opt-out of
THP=always into THP=madvise, without affecting other workloads on the
system".
It's a long story - the [1/N] changelog spells out the considerations
- "Add and use memdesc_flags_t" from Matthew Wilcox gets us started on
the memdesc project. Please see
https://kernelnewbies.org/MatthewWilcox/Memdescs and
https://blogs.oracle.com/linux/post/introducing-memdesc
- "Tiny optimization for large read operations" from Chi Zhiling
improves the efficiency of the pagecache read path
- "Better split_huge_page_test result check" from Zi Yan improves our
folio splitting selftest code
- "test that rmap behaves as expected" from Wei Yang adds some rmap
selftests
- "remove write_cache_pages()" from Christoph Hellwig removes that
function and converts its two remaining callers
- "selftests/mm: uffd-stress fixes" from Dev Jain fixes some UFFD
selftests issues
- "introduce kernel file mapped folios" from Boris Burkov introduces
the concept of "kernel file pages". Using these permits btrfs to
account its metadata pages to the root cgroup, rather than to the
cgroups of random inappropriate tasks
- "mm/pageblock: improve readability of some pageblock handling" from
Wei Yang provides some readability improvements to the page allocator
code
- "mm/damon: support ARM32 with LPAE" from SeongJae Park teaches DAMON
to understand arm32 highmem
- "tools: testing: Use existing atomic.h for vma/maple tests" from
Brendan Jackman performs some code cleanups and deduplication under
tools/testing/
- "maple_tree: Fix testing for 32bit compiles" from Liam Howlett fixes
a couple of 32-bit issues in tools/testing/radix-tree.c
- "kasan: unify kasan_enabled() and remove arch-specific
implementations" from Sabyrzhan Tasbolatov moves KASAN arch-specific
initialization code into a common arch-neutral implementation
- "mm: remove zpool" from Johannes Weiner removes zspool - an
indirection layer which now only redirects to a single thing
(zsmalloc)
- "mm: task_stack: Stack handling cleanups" from Pasha Tatashin makes a
couple of cleanups in the fork code
- "mm: remove nth_page()" from David Hildenbrand makes rather a lot of
adjustments at various nth_page() callsites, eventually permitting
the removal of that undesirable helper function
- "introduce kasan.write_only option in hw-tags" from Yeoreum Yun
creates a KASAN read-only mode for ARM, using that architecture's
memory tagging feature. It is felt that a read-only mode KASAN is
suitable for use in production systems rather than debug-only
- "mm: hugetlb: cleanup hugetlb folio allocation" from Kefeng Wang does
some tidying in the hugetlb folio allocation code
- "mm: establish const-correctness for pointer parameters" from Max
Kellermann makes quite a number of the MM API functions more accurate
about the constness of their arguments. This was getting in the way
of subsystems (in this case CEPH) when they attempt to improving
their own const/non-const accuracy
- "Cleanup free_pages() misuse" from Vishal Moola fixes a number of
code sites which were confused over when to use free_pages() vs
__free_pages()
- "Add Rust abstraction for Maple Trees" from Alice Ryhl makes the
mapletree code accessible to Rust. Required by nouveau and by its
forthcoming successor: the new Rust Nova driver
- "selftests/mm: split_huge_page_test: split_pte_mapped_thp
improvements" from David Hildenbrand adds a fix and some cleanups to
the thp selftesting code
- "mm, swap: introduce swap table as swap cache (phase I)" from Chris
Li and Kairui Song is the first step along the path to implementing
"swap tables" - a new approach to swap allocation and state tracking
which is expected to yield speed and space improvements. This
patchset itself yields a 5-20% performance benefit in some situations
- "Some ptdesc cleanups" from Matthew Wilcox utilizes the new memdesc
layer to clean up the ptdesc code a little
- "Fix va_high_addr_switch.sh test failure" from Chunyu Hu fixes some
issues in our 5-level pagetable selftesting code
- "Minor fixes for memory allocation profiling" from Suren Baghdasaryan
addresses a couple of minor issues in relatively new memory
allocation profiling feature
- "Small cleanups" from Matthew Wilcox has a few cleanups in
preparation for more memdesc work
- "mm/damon: add addr_unit for DAMON_LRU_SORT and DAMON_RECLAIM" from
Quanmin Yan makes some changes to DAMON in furtherance of supporting
arm highmem
- "selftests/mm: Add -Wunreachable-code and fix warnings" from Muhammad
Anjum adds that compiler check to selftests code and fixes the
fallout, by removing dead code
- "Improvements to Victim Process Thawing and OOM Reaper Traversal
Order" from zhongjinji makes a number of improvements in the OOM
killer: mainly thawing a more appropriate group of victim threads so
they can release resources
- "mm/damon: misc fixups and improvements for 6.18" from SeongJae Park
is a bunch of small and unrelated fixups for DAMON
- "mm/damon: define and use DAMON initialization check function" from
SeongJae Park implement reliability and maintainability improvements
to a recently-added bug fix
- "mm/damon/stat: expose auto-tuned intervals and non-idle ages" from
SeongJae Park provides additional transparency to userspace clients
of the DAMON_STAT information
- "Expand scope of khugepaged anonymous collapse" from Dev Jain removes
some constraints on khubepaged's collapsing of anon VMAs. It also
increases the success rate of MADV_COLLAPSE against an anon vma
- "mm: do not assume file == vma->vm_file in compat_vma_mmap_prepare()"
from Lorenzo Stoakes moves us further towards removal of
file_operations.mmap(). This patchset concentrates upon clearing up
the treatment of stacked filesystems
- "mm: Improve mlock tracking for large folios" from Kiryl Shutsemau
provides some fixes and improvements to mlock's tracking of large
folios. /proc/meminfo's "Mlocked" field became more accurate
- "mm/ksm: Fix incorrect accounting of KSM counters during fork" from
Donet Tom fixes several user-visible KSM stats inaccuracies across
forks and adds selftest code to verify these counters
- "mm_slot: fix the usage of mm_slot_entry" from Wei Yang addresses
some potential but presently benign issues in KSM's mm_slot handling
* tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (372 commits)
mm: swap: check for stable address space before operating on the VMA
mm: convert folio_page() back to a macro
mm/khugepaged: use start_addr/addr for improved readability
hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list
alloc_tag: fix boot failure due to NULL pointer dereference
mm: silence data-race in update_hiwater_rss
mm/memory-failure: don't select MEMORY_ISOLATION
mm/khugepaged: remove definition of struct khugepaged_mm_slot
mm/ksm: get mm_slot by mm_slot_entry() when slot is !NULL
hugetlb: increase number of reserving hugepages via cmdline
selftests/mm: add fork inheritance test for ksm_merging_pages counter
mm/ksm: fix incorrect KSM counter handling in mm_struct during fork
drivers/base/node: fix double free in register_one_node()
mm: remove PMD alignment constraint in execmem_vmalloc()
mm/memory_hotplug: fix typo 'esecially' -> 'especially'
mm/rmap: improve mlock tracking for large folios
mm/filemap: map entire large folio faultaround
mm/fault: try to map the entire file folio in finish_fault()
mm/rmap: mlock large folios in try_to_unmap_one()
mm/rmap: fix a mlock race condition in folio_referenced_one()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- A new layer for caching objects for allocation and free via percpu
arrays called sheaves.
The aim is to combine the good parts of SLAB (lower-overhead and
simpler percpu caching, compared to SLUB) without the past issues
with arrays for freeing remote NUMA node objects and their flushing.
It also allows more efficient kfree_rcu(), and cheaper object
preallocations for cases where the exact number of objects is
unknown, but an upper bound is.
Currently VMAs and maple nodes are using this new caching, with a
plan to enable it for all caches and remove the complex SLUB fastpath
based on cpu (partial) slabs and this_cpu_cmpxchg_double().
(Vlastimil Babka, with Liam Howlett and Pedro Falcato for the maple
tree changes)
- Re-entrant kmalloc_nolock(), which allows opportunistic allocations
from NMI and tracing/kprobe contexts.
Building on prior page allocator and memcg changes, it will result in
removing BPF-specific caches on top of slab (Alexei Starovoitov)
- Various fixes and cleanups. (Kuan-Wei Chiu, Matthew Wilcox, Suren
Baghdasaryan, Ye Liu)
* tag 'slab-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: (40 commits)
slab: Introduce kmalloc_nolock() and kfree_nolock().
slab: Reuse first bit for OBJEXTS_ALLOC_FAIL
slab: Make slub local_(try)lock more precise for LOCKDEP
mm: Introduce alloc_frozen_pages_nolock()
mm: Allow GFP_ACCOUNT to be used in alloc_pages_nolock().
locking/local_lock: Introduce local_lock_is_locked().
maple_tree: Convert forking to use the sheaf interface
maple_tree: Add single node allocation support to maple state
maple_tree: Prefilled sheaf conversion and testing
tools/testing: Add support for prefilled slab sheafs
maple_tree: Replace mt_free_one() with kfree()
maple_tree: Use kfree_rcu in ma_free_rcu
testing/radix-tree/maple: Hack around kfree_rcu not existing
tools/testing: include maple-shim.c in maple.c
maple_tree: use percpu sheaves for maple_node_cache
mm, vma: use percpu sheaves for vm_area_struct cache
tools/testing: Add support for changes to slab for sheaves
slab: allow NUMA restricted allocations to use percpu sheaves
tools/testing/vma: Implement vm_refcnt reset
slab: skip percpu sheaves for remote object freeing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core & protocols:
- Improve drop account scalability on NUMA hosts for RAW and UDP
sockets and the backlog, almost doubling the Pps capacity under DoS
- Optimize the UDP RX performance under stress, reducing contention,
revisiting the binary layout of the involved data structs and
implementing NUMA-aware locking. This improves UDP RX performance
by an additional 50%, even more under extreme conditions
- Add support for PSP encryption of TCP connections; this mechanism
has some similarities with IPsec and TLS, but offers superior HW
offloads capabilities
- Ongoing work to support Accurate ECN for TCP. AccECN allows more
than one congestion notification signal per RTT and is a building
block for Low Latency, Low Loss, and Scalable Throughput (L4S)
- Reorganize the TCP socket binary layout for data locality, reducing
the number of touched cachelines in the fastpath
- Refactor skb deferral free to better scale on large multi-NUMA
hosts, this improves TCP and UDP RX performances significantly on
such HW
- Increase the default socket memory buffer limits from 256K to 4M to
better fit modern link speeds
- Improve handling of setups with a large number of nexthop, making
dump operating scaling linearly and avoiding unneeded
synchronize_rcu() on delete
- Improve bridge handling of VLAN FDB, storing a single entry per
bridge instead of one entry per port; this makes the dump order of
magnitude faster on large switches
- Restore IP ID correctly for encapsulated packets at GSO
segmentation time, allowing GRO to merge packets in more scenarios
- Improve netfilter matching performance on large sets
- Improve MPTCP receive path performance by leveraging recently
introduced core infrastructure (skb deferral free) and adopting
recent TCP autotuning changes
- Allow bridges to redirect to a backup port when the bridge port is
administratively down
- Introduce MPTCP 'laminar' endpoint that con be used only once per
connection and simplify common MPTCP setups
- Add RCU safety to dst->dev, closing a lot of possible races
- A significant crypto library API for SCTP, MPTCP and IPv6 SR,
reducing code duplication
- Supports pulling data from an skb frag into the linear area of an
XDP buffer
Things we sprinkled into general kernel code:
- Generate netlink documentation from YAML using an integrated YAML
parser
Driver API:
- Support using IPv6 Flow Label in Rx hash computation and RSS queue
selection
- Introduce API for fetching the DMA device for a given queue,
allowing TCP zerocopy RX on more H/W setups
- Make XDP helpers compatible with unreadable memory, allowing more
easily building DevMem-enabled drivers with a unified XDP/skbs
datapath
- Add a new dedicated ethtool callback enabling drivers to provide
the number of RX rings directly, improving efficiency and clarity
in RX ring queries and RSS configuration
- Introduce a burst period for the health reporter, allowing better
handling of multiple errors due to the same root cause
- Support for DPLL phase offset exponential moving average,
controlling the average smoothing factor
Device drivers:
- Add a new Huawei driver for 3rd gen NIC (hinic3)
- Add a new SpacemiT driver for K1 ethernet MAC
- Add a generic abstraction for shared memory communication
devices (dibps)
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- Use multiple per-queue doorbell, to avoid MMIO contention
issues
- support adjacent functions, allowing them to delegate their
SR-IOV VFs to sibling PFs
- support RSS for IPSec offload
- support exposing raw cycle counters in PTP and mlx5
- support for disabling host PFs.
- Intel (100G, ice, idpf):
- ice: support for SRIOV VFs over an Active-Active link
aggregate
- ice: support for firmware logging via debugfs
- ice: support for Earliest TxTime First (ETF) hardware offload
- idpf: support basic XDP functionalities and XSk
- Broadcom (bnxt):
- support Hyper-V VF ID
- dynamic SRIOV resource allocations for RoCE
- Meta (fbnic):
- support queue API, zero-copy Rx and Tx
- support basic XDP functionalities
- devlink health support for FW crashes and OTP mem corruptions
- expand hardware stats coverage to FEC, PHY, and Pause
- Wangxun:
- support ethtool coalesce options
- support for multiple RSS contexts
- Ethernet virtual:
- Macsec:
- replace custom netlink attribute checks with policy-level
checks
- Bonding:
- support aggregator selection based on port priority
- Microsoft vNIC:
- use page pool fragments for RX buffers instead of full pages
to improve memory efficiency
- Ethernet NICs consumer, and embedded:
- Qualcomm: support Ethernet function for IPQ9574 SoC
- Airoha: implement wlan offloading via NPU
- Freescale
- enetc: add NETC timer PTP driver and add PTP support
- fec: enable the Jumbo frame support for i.MX8QM
- Renesas (R-Car S4):
- support HW offloading for layer 2 switching
- support for RZ/{T2H, N2H} SoCs
- Cadence (macb): support TAPRIO traffic scheduling
- TI:
- support for Gigabit ICSS ethernet SoC (icssm-prueth)
- Synopsys (stmmac): a lot of cleanups
- Ethernet PHYs:
- Support 10g-qxgmi phy-mode for AQR412C, Felix DSA and Lynx PCS
driver
- Support bcm63268 GPHY power control
- Support for Micrel lan8842 PHY and PTP
- Support for Aquantia AQR412 and AQR115
- CAN:
- a large CAN-XL preparation work
- reorganize raw_sock and uniqframe struct to minimize memory
usage
- rcar_canfd: update the CAN-FD handling
- WiFi:
- extended Neighbor Awareness Networking (NAN) support
- S1G channel representation cleanup
- improve S1G support
- WiFi drivers:
- Intel (iwlwifi):
- major refactor and cleanup
- Broadcom (brcm80211):
- support for AP isolation
- RealTek (rtw88/89) rtw88/89:
- preparation work for RTL8922DE support
- MediaTek (mt76):
- HW restart improvements
- MLO support
- Qualcomm/Atheros (ath10k):
- GTK rekey fixes
- Bluetooth drivers:
- btusb: support for several new IDs for MT7925
- btintel: support for BlazarIW core
- btintel_pcie: support for _suspend() / _resume()
- btintel_pcie: support for Scorpious, Panther Lake-H484 IDs"
* tag 'net-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1536 commits)
net: stmmac: Add support for Allwinner A523 GMAC200
dt-bindings: net: sun8i-emac: Add A523 GMAC200 compatible
Revert "Documentation: net: add flow control guide and document ethtool API"
octeontx2-pf: fix bitmap leak
octeontx2-vf: fix bitmap leak
net/mlx5e: Use extack in set rxfh callback
net/mlx5e: Introduce mlx5e_rss_params for RSS configuration
net/mlx5e: Introduce mlx5e_rss_init_params
net/mlx5e: Remove unused mdev param from RSS indir init
net/mlx5: Improve QoS error messages with actual depth values
net/mlx5e: Prevent entering switchdev mode with inconsistent netns
net/mlx5: HWS, Generalize complex matchers
net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs
selftests/net: add tcp_port_share to .gitignore
Revert "net/mlx5e: Update and set Xon/Xoff upon MTU set"
net: add NUMA awareness to skb_attempt_defer_free()
net: use llist for sd->defer_list
net: make softnet_data.defer_count an atomic
selftests: drv-net: psp: add tests for destroying devices
selftests: drv-net: psp: add test for auto-adjusting TCP MSS
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It's been relatively calm in this cycle from the feature POV, but
there were lots of cleanup works in the wide-range of code for
converting with the auto-cleanup macros like guard().
The mostly user-visible changes are the support of a couple of new
compress-offload API extensions, and the support of new ASoC codec /
platform drivers as well as USB-audio quirks.
Here we go with some highlights:
Core:
- Compress-offload API extension for 64bit timestamp support
- Compress-offload API extension for OPUS codec support
- Workaround for PCM locking issue with PREEMPT_RT and softirq
- KCSAN warning fix for ALSA sequencer core
ASoC:
- Continued cleanup works for ASoC core APIs
- Lots of cleanups and conversions of DT bindings
- Substantial maintainance work on the Intel AVS drivers
- Support for Qualcomm Glymur and PM4125, Realtek RT1321, Shanghai
FourSemi FS2104/5S, Texas Instruments PCM1754 and TAS2783A
- Remove support for TI WL1273 for old Nokia systems
USB-audio:
- Support for Tascam US-144mkII, Presonus S1824c support
- More flexible quirk option handling
- Fix for USB MIDI timer bug triggered by fuzzer
Others:
- A large series of cleanups with guard() & co macros over (non-ASoC)
sound drivers (PCI, ISA, HD-audio, USB-audio, drivers, etc)
- TAS5825 HD-audio side-codec support"
* tag 'sound-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (454 commits)
ALSA: usb-audio: don't hardcode gain for output channel of Presonus Studio
ALSA: usb-audio: add the initial mix for Presonus Studio 1824c
ALSA: doc: improved docs about quirk_flags in snd-usb-audio
ALSA: usb-audio: make param quirk_flags change-able in runtime
ALSA: usb-audio: improve module param quirk_flags
ALSA: usb-audio: add two-way convert between name and bit for QUIRK_FLAG_*
ALSA: usb-audio: fix race condition to UAF in snd_usbmidi_free
ALSA: usb-audio: add mono main switch to Presonus S1824c
ALSA: compress: document 'chan_map' member in snd_dec_opus
ASoC: cs35l56: Add support for CS35L56 B2 silicon
ASoC: cs35l56: Set fw_regs table after getting REVID
ALSA: hda/realtek: Add quirk for HP Spectre 14t-ea100
ASoc: tas2783A: Fix an error code in probe()
ASoC: tlv320aic3x: Fix class-D initialization for tlv320aic3007
ASoC: qcom: sc8280xp: use sa8775p/ subdir for QCS9100 / QCS9075
ASoC: stm32: sai: manage context in set_sysclk callback
ASoC: renesas: msiof: ignore 1st FSERR
ASoC: renesas: msiof: Add note for The possibility of R/L opposite Capture
ASoC: renesas: msiof: setup both (Playback/Capture) in the same time
ASoC: renesas: msiof: tidyup DMAC stop timing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- NVMe pull request via Keith:
- FC target fixes (Daniel)
- Authentication fixes and updates (Martin, Chris)
- Admin controller handling (Kamaljit)
- Target lockdep assertions (Max)
- Keep-alive updates for discovery (Alastair)
- Suspend quirk (Georg)
- MD pull request via Yu:
- Add support for a lockless bitmap.
A key feature for the new bitmap are that the IO fastpath is
lockless. If a user issues lots of write IO to the same bitmap
bit in a short time, only the first write has additional overhead
to update bitmap bit, no additional overhead for the following
writes.
By supporting only resync or recover written data, means in the
case creating new array or replacing with a new disk, there is no
need to do a full disk resync/recovery.
- Switch ->getgeo() and ->bios_param() to using struct gendisk rather
than struct block_device.
- Rust block changes via Andreas. This series adds configuration via
configfs and remote completion to the rnull driver. The series also
includes a set of changes to the rust block device driver API: a few
cleanup patches, and a few features supporting the rnull changes.
The series removes the raw buffer formatting logic from
`kernel::block` and improves the logic available in `kernel::string`
to support the same use as the removed logic.
- floppy arch cleanups
- Reduce the number of dereferencing needed for ublk commands
- Restrict supported sockets for nbd. Mostly done to eliminate a class
of issues perpetually reported by syzbot, by using nonsensical socket
setups.
- A few s390 dasd block fixes
- Fix a few issues around atomic writes
- Improve DMA interation for integrity requests
- Improve how iovecs are treated with regards to O_DIRECT aligment
constraints.
We used to require each segment to adhere to the constraints, now
only the request as a whole needs to.
- Clean up and improve p2p support, enabling use of p2p for metadata
payloads
- Improve locking of request lookup, using SRCU where appropriate
- Use page references properly for brd, avoiding very long RCU sections
- Fix ordering of recursively submitted IOs
- Clean up and improve updating nr_requests for a live device
- Various fixes and cleanups
* tag 'for-6.18/block-20250929' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (164 commits)
s390/dasd: enforce dma_alignment to ensure proper buffer validation
s390/dasd: Return BLK_STS_INVAL for EINVAL from do_dasd_request
ublk: remove redundant zone op check in ublk_setup_iod()
nvme: Use non zero KATO for persistent discovery connections
nvmet: add safety check for subsys lock
nvme-core: use nvme_is_io_ctrl() for I/O controller check
nvme-core: do ioccsz/iorcsz validation only for I/O controllers
nvme-core: add method to check for an I/O controller
blk-cgroup: fix possible deadlock while configuring policy
blk-mq: fix null-ptr-deref in blk_mq_free_tags() from error path
blk-mq: Fix more tag iteration function documentation
selftests: ublk: fix behavior when fio is not installed
ublk: don't access ublk_queue in ublk_unmap_io()
ublk: pass ublk_io to __ublk_complete_rq()
ublk: don't access ublk_queue in ublk_need_complete_req()
ublk: don't access ublk_queue in ublk_check_commit_and_fetch()
ublk: don't pass ublk_queue to ublk_fetch()
ublk: don't access ublk_queue in ublk_config_io_buf()
ublk: don't access ublk_queue in ublk_check_fetch_buf()
ublk: pass q_id and tag to __ublk_check_and_get_req()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild updates from Nathan Chancellor:
- Extend modules.builtin.modinfo to include module aliases from
MODULE_DEVICE_TABLE for builtin modules so that userspace tools (such
as kmod) can verify that a particular module alias will be handled by
a builtin module
- Bump the minimum version of LLVM for building the kernel to 15.0.0
- Upgrade several userspace API checks in headers_check.pl to errors
- Unify and consolidate CONFIG_WERROR / W=e handling
- Turn assembler and linker warnings into errors with CONFIG_WERROR /
W=e
- Respect CONFIG_WERROR / W=e when building userspace programs
(userprogs)
- Enable -Werror unconditionally when building host programs
(hostprogs)
- Support copy_file_range() and data segment alignment in gen_init_cpio
to improve performance on filesystems that support reflinks such as
btrfs and XFS
- Miscellaneous small changes to scripts and configuration files
* tag 'kbuild-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (47 commits)
modpost: Initialize builtin_modname to stop SIGSEGVs
Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds
kbuild: vmlinux.unstripped should always depend on .vmlinux.export.o
modpost: Create modalias for builtin modules
modpost: Add modname to mod_device_table alias
scsi: Always define blogic_pci_tbl structure
kbuild: extract modules.builtin.modinfo from vmlinux.unstripped
kbuild: keep .modinfo section in vmlinux.unstripped
kbuild: always create intermediate vmlinux.unstripped
s390: vmlinux.lds.S: Reorder sections
KMSAN: Remove tautological checks
objtool: Drop noinstr hack for KCSAN_WEAK_MEMORY
lib/Kconfig.debug: Drop CLANG_VERSION check from DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
riscv: Remove ld.lld version checks from many TOOLCHAIN_HAS configs
riscv: Unconditionally use linker relaxation
riscv: Remove version check for LTO_CLANG selects
powerpc: Drop unnecessary initializations in __copy_inst_from_kernel_nofault()
mips: Unconditionally select ARCH_HAS_CURRENT_STACK_POINTER
arm64: Remove tautological LLVM Kconfig conditions
ARM: Clean up definition of ARM_HAS_GROUP_RELOCS
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- Fix watchdog test to exit when device doesn't support keep-alive
- Fix missing header build complaints during out of tree build
- A few minor fixes to git ignore
- MAINTAINERS file change to update dma_map_benchmark
* tag 'linux_kselftest-next-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
MAINTAINERS: add myself and Barry to dma_map_benchmark maintainers
selftests/kexec: Ignore selftest binary
selftests: always install UAPI headers to the correct directory
selftests/kselftest_harness: Add harness-selftest.expected to TEST_FILES
selftests: watchdog: skip ping loop if WDIOF_KEEPALIVEPING not supported
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit updates from Shuah Khan:
- New parameterized test features
KUnit parameterized tests supported two primary methods for getting
parameters:
- Defining custom logic within a generate_params() function.
- Using the KUNIT_ARRAY_PARAM() and KUNIT_ARRAY_PARAM_DESC() macros
with a pre-defined static array and passing the created
*_gen_params() to KUNIT_CASE_PARAM().
These methods present limitations when dealing with dynamically
generated parameter arrays, or in scenarios where populating
parameters sequentially via generate_params() is inefficient or
overly complex.
These limitations are fixed with a parameterized test method
- Fix issues in kunit build artifacts cleanup
- Fix parsing skipped test problem in kselftest framework
- Enable PCI on UML without triggering WARN()
- a few other fixes and adds support for new configs such as MIPS
* tag 'linux_kselftest-kunit-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Extend kconfig help text for KUNIT_UML_PCI
rust: kunit: allow `cfg` on `test`s
kunit: qemu_configs: Add MIPS configurations
kunit: Enable PCI on UML without triggering WARN()
Documentation: kunit: Document new parameterized test features
kunit: Add example parameterized test with direct dynamic parameter array setup
kunit: Add example parameterized test with shared resource management using the Resource API
kunit: Enable direct registration of parameter arrays to a KUnit test
kunit: Pass parameterized test context to generate_params()
kunit: Introduce param_init/exit for parameterized test context management
kunit: Add parent kunit for parameterized test context
kunit: tool: Accept --raw_output=full as an alias of 'all'
kunit: tool: Parse skipped tests from kselftest.h
kunit: Always descend into kunit directory during build
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These are mostly thermal driver updates, including new thermal drivers
for Renesas RZ/G3S and Renesas RZ/G3E SoCs, a new power slider
platform feature support in the Intel int340x thermal driver, a new
Tegra114- specific SOCTHERM driver and more.
There is also a Step-wise thermal governor update allowing it to start
reducing cooling somewhat earlier if the temperature of the given
thermal zone is falling down and a thermal testing code cleanup.
Specifics:
- Add new thermal driver for the Renesas RZ/G3S SoC (Claudiu Beznea)
- Add new thermal driver for the Renesas RZ/G3E SoC (John Madieu)
- Add support for new platform power slider feature to the Intel
int340x driver (Srinivas Pandruvada).
- Add new Tegra114-specific SOCTHERM driver and document Tegra114
SOCTHERM Thermal Management System in DT bindings (Svyatoslav
Ryhel)
- Add temperature sensor channel to thermal-generic-adc (Svyatoslav
Ryhel)
- Add support for per-SoC default trim values to the Renesas
rcar_gen3 thermal driver, use it for adding R-Car V4H default trim
values, fix a comment typo in that driver and document Gen4 support
in its Kconfig entry (Marek Vasut)
- Fix mapping SoCs to generic Gen4 entry in the Renesas rcar_gen3
thermal driver (Wolfram Sang)
- Document the TSU unit in the r9a08g045-tsu and r9a09g047-tsu DT
bindings (Claudiu Beznea, John Madieu)
- Make LMH select QCOM_SCM and add missing IRQ includes to the
qcom/lmh thermal driver (Dmitry Baryshkov)
- Fix incorrect error message in the qcom/lmh thermal driver (Sumeet
Pawnikar)
- Add QCS615 compatible to tsens thermal DT bindings (Gaurav Kohli)
- Document the Glymur temperature sensor in qcom-tsens thermal DT
bindings (Manaf Meethalavalappu Pallikunhi)
- Make k3_j72xx_bandgap thermal driver register the thermal sensor
with hwmon (Michael Walle)
- Tighten GRF requirements in the rockchip thermal DT bindings,
silence a GRF warning in the rockchip thermal driver and unify
struct rockchip_tsadc_chip format in it (Sebastian Reichel)
- Update the Step-wise thermal governor to allow it to reduce the
cooling level earlier if thermal zone temperature is dropping and
clean it up (Rafael Wysocki)
- Clean up the thermal testing code (Rafael Wysocki)
- Assorted cleanups of thermal drivers (Jiapeng Chong, Salah Triki,
Osama Abdelkader)"
* tag 'thermal-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (37 commits)
thermal/drivers/renesas/rzg3e: Fix add thermal driver for the Renesas RZ/G3E SoC
dt-bindings: thermal: qcom-tsens: Document the Glymur temperature Sensor
thermal/drivers/renesas/rzg3e: Add thermal driver for the Renesas RZ/G3E SoC
dt-bindings: thermal: r9a09g047-tsu: Document the TSU unit
thermal/drivers/thermal-generic-adc: Add temperature sensor channel
dt-bindings: thermal: rockchip: Tighten grf requirements
thermal/drivers/rockchip: Shut up GRF warning
thermal/drivers/rockchip: Unify struct rockchip_tsadc_chip format
thermal/drivers/renesas/rzg3s: Add thermal driver for the Renesas RZ/G3S SoC
dt-bindings: thermal: r9a08g045-tsu: Document the TSU unit
thermal/drivers/k3_j72xx_bandgap: Register sensors with hwmon
thermal/drivers/rcar_gen3: Fix mapping SoCs to generic Gen4 entry
thermal/drivers/tegra: Add Tegra114 specific SOCTHERM driver
dt-bindings: thermal: add Tegra114 soctherm header
thermal/drivers/tegra/soctherm-fuse: Prepare calibration for Tegra114 support
dt-bindings: thermal: Document Tegra114 SOCTHERM Thermal Management System
thermal/drivers/rcar_gen3: Document Gen4 support in Kconfig entry
thermal/drivers/rcar_gen3: Fix comment typo
drivers/thermal/qcom/lmh: Fix incorrect error message
thermal/drivers/qcom/lmh: Add missing IRQ includes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These include an ACPICA update (upstream revision 20250807 with a few
fixes on top), fixes and cleanups of the ACPI processor driver, fixes
and cleanups of the ACPI properties management code, one more ACPI IRQ
resource management quirk, one more ACPI backlight quirk, an ACPI
device enumeration quirk related to _DEP, a power resource quirk
related to WWAN modem for HP EliteBook 855 G7, ACPI SPCR table parser
extensions, an ACPI APEI EINJ driver update allowing it to handle more
address types, and several assorted cleanups of ACPI drivers and PNP
code.
Specifics:
- Add SoundWire File Table (SWFT) signature to ACPICA (Maciej
Strozek)
- Rearrange local variable definition involving #ifdef in ACPICA to
avoid using uninitialized variables (Zhe Qiao)
- Allow ACPICA to skip Global Lock initialization (Huacai Chen)
- Apply ACPI_NONSTRING in more places in ACPICA and fix two
regressions related to incorrect ACPI_NONSTRING usage (Ahmed Salem)
- Fix printing CDAT table header when dissasebling CDAT AML (Ahmed
Salem)
- Use acpi_ds_clear_operands() in acpi_ds_call_control_method() in
ACPICA (Hans de Goede)
- Update dsmethod.c in ACPICA to address unused variable warning
(Saket Dumbre)
- Print error messages in ACPICA for too few or too many control
method arguments (Saket Dumbre)
- Update ACPICA version to 20250807 (Saket Dumbre)
- Fix largest possible resource descriptor index in ACPICA (Dmitry
Antipov)
- Add Back-Invalidate restriction to CXL Window for CEDT in ACPICA
(Davidlohr Bueso)
- Add the package type to acceptable Arg3 types for _DSM in ACPICA
because ACPI_TYPE_ANY does not cover it (Saket Dumbre)
- Fix return values in ap_is_valid_checksum() in the acpidump utility
in ACPICA (Kaushlendra Kumar)
- Add Intel CVS ACPI HIDs to acpi_ignore_dep_ids[] so it is not
regarded as real dependency (Hans de Goede)
- Use ACPI_FREE() for freeing an ACPI object in description_show() in
the ACPI sysfs-related code (Kaushlendra Kumar)
- Fix memory leak in the ACPI processor idle driver registration
error code path and optimize ACPI idle driver registration (Huisong
Li, Rafael Wysocki)
- Add module import namespace to the ACPI processor idle driver
(Rafael Wysocki)
- Eliminate static variable flat_state_cnt from the ACPI processor
idle driver (Rafael Wysocki)
- Release cpufreq policy references using __free() in the ACPI
processor thremal driver (Zihuan Zhang)
- Remove unused empty stubs of some functions and rearrange function
declarations in a header file in the ACPI processor driver (Huisong
Li)
- Redefine two functions as void in the ACPI processor driver (Rafael
Wysocki)
- Stop exposing global variable acpi_idle_driver in the ACPI
processor driver (Huisong Li)
- Fix ACPI buffer properties extraction for data-only subnodes
represented as _DSD-equivalent packages (Rafael Wysocki)
- Fix handling of ACPI data-only subnodes represented as
_DSD-equivalent packages in the case when they are embedded in
larger _DSD-equivalent packages and clean up
acpi_nondev_subnode_extract() (Rafael Wysocki)
- Skip ACPI IRQ override on ASUS Vivobook Pro N6506CU (Sam van
Kampen)
- Add power resource init function and use it for introducing an HP
EliteBook 855 G7 WWAN modem power resource quirk (Maciej Szmigiero)
- Add support for DBG2 RISC-V SBI port subtype and Precise Baud Rate
field to the ACPI SPCR table parser (Chen Pei)
- Eliminate a dummy local variable from the ACPI thermal driver
(Rafael Wysocki)
- Fold two simple functions into their only caller in the ACPI fan
driver (Rafael Wysocki)
- Force native backlight on Lenovo 82K8 in the ACPI backlight (video)
driver (Mario Limonciello)
- Add missing sysfs_remove_group() for ACPI_TAD_RT (Daniel Tang)
- Skip PRM handlers with NULL handler_address or NULL VA in the ACPI
PRM driver (Shang song)
- Remove redundant assignments in erst_dbg_{ioctl|write}() in the
ACPI APEI driver (Thorsten Blum)
- Allow the ACPI APEI EINJ to handle more types of addresses than
just MMIO (Jiaqi Yan)
- Use str_low_high() helper in two places in the ACPI code (Chelsy
Ratnawat)
- Use str_plural() to simplify the PNP code (Xichao Zhao)
- Fix signedness issues in read/write helpers in the ACPI AML
debugger interface (Amir Mohammad)"
* tag 'acpi-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (50 commits)
ACPI: debug: fix signedness issues in read/write helpers
ACPI: processor: Do not expose global variable acpi_idle_driver
ACPI: SPCR: Support Precise Baud Rate field
ACPI: processor: idle: Redefine two functions as void
ACPI: processor: Update cpuidle driver check in __acpi_processor_start()
ACPI: processor: idle: Rearrange declarations in header file
ACPI: processor: Remove unused empty stubs of some functions
ACPI: property: Adjust failure handling in acpi_nondev_subnode_extract()
ACPI: property: Do not pass NULL handles to acpi_attach_data()
ACPI: property: Add code comments explaining what is going on
ACPI: property: Disregard references in data-only subnode lists
ACPI: property: Fix buffer properties extraction for subnodes
ACPI: SPCR: Add support for DBG2 RISC-V SBI port subtype
ACPI: APEI: EINJ: Allow more types of addresses except MMIO
ACPI: APEI: Remove redundant assignments in erst_dbg_{ioctl|write}()
ACPICA: acpidump: fix return values in ap_is_valid_checksum()
ACPICA: ACPI_TYPE_ANY does not include the package type
ACPICA: CEDT: Add Back-Invalidate restriction to CXL Window
ACPICA: Fix largest possible resource descriptor index
ACPICA: Update version to 20250807
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The majority of these are cpufreq changes, which has been a recurring
pattern for a few recent cycles.
Those changes include new hardware support (AN7583 SoC support in the
airoha cpufreq driver, ipq5424 support in the qcom-nvmem cpufreq
driver, MT8196 support in the mediatek cpufreq driver, AM62D2 support
in the ti cpufreq driver), DT bindings and Rust code updates, cleanups
of the core and governors, and multiple driver fixes and cleanups.
Beyond that, there are hibernation fixes (some remaining 6.16 cycle
fallout and an issue related to hybrid suspend in the amdgpu driver),
cleanups of the PM core code, runtime PM documentation update, cpuidle
and power capping cleanups, and tooling updates.
Specifics:
- Rearrange variable declarations involving __free() in the cpufreq
core and intel_pstate driver to follow common coding style (Rafael
Wysocki)
- Fix object lifecycle issue in update_qos_request(), rearrange freq
QoS updates using __free(), and adjust frequency percentage
computations in the intel_pstate driver (Rafael Wysocki)
- Update intel_pstate to allow it to enable HWP without EPP if the
new DEC (Dynamic Efficiency Control) HW feature is enabled (Rafael
Wysocki)
- Use on_each_cpu_mask() in drv_write() in the ACPI cpufreq driver to
simplify the code (Rafael Wysocki)
- Use likely() optimization in intel_pstate_sample() (Yaxiong Tian)
- Remove dead EPB-related code from intel_pstate (Srinivas
Pandruvada)
- Use scope-based cleanup for cpufreq policy references in multiple
cpufreq drivers (Zihuan Zhang)
- Avoid calling get_governor() for the first policy in the cpufreq
core to simplify the initial policy path (Zihuan Zhang)
- Clean up the cpufreq core in multiple places (Zihuan Zhang)
- Use int type to store negative error codes in the cpufreq core and
update the speedstep-lib to use int for error codes (Qianfeng Rong)
- Update the efficient idle check for Intel extended Families in the
ondemand cpufreq governor (Sohil Mehta)
- Replace sscanf() with kstrtouint() in the conservative cpufreq
governor (Kaushlendra Kumar)
- Rename CpumaskVar::as[_mut]_ref to from_raw[_mut] in the cpumask
Rust code and mark CpumaskVar as transparent (Alice Ryhl, Baptiste
Lepers)
- Update ARef and AlwaysRefCounted imports from sync::aref in the OPP
Rust code (Shankari Anand)
- Add support for AN7583 SoC to the airoha cpufreq driver (Christian
Marangi)
- Enable cpufreq for ipq5424 in the qcom-nvmem cpufreq driver (Md
Sadre Alam)
- Add support for MT8196 to the mediatek-hw cpufreq driver, refactor
that driver and add mediatek,mt8196-cpufreq-hw DT binding (Nicolas
Frattaroli)
- Avoid redundant conditions in the mediatek cpufreq driver (Liao
Yuanhong)
- Add support for AM62D2 to the ti cpufreq driver and blocklist
ti,am62d2 SoC in dt-platdev (Paresh Bhagat)
- Support more speed grades on AM62Px SoC in the ti cpufreq driver,
allow all silicon revisions to support OPPs in it, and fix
supported hardware for 1GHz OPP (Judith Mendez)
- Add QCS615 compatible to DT bindings for cpufreq-qcom-hw (Taniya
Das)
- Minor assorted updates of the scmi, longhaul, CPPC, and armada-37xx
cpufreq drivers (Akhilesh Patil, BowenYu, Dennis Beier, and Florian
Fainelli)
- Remove outdated cpufreq-dt.txt (Frank Li)
- Fix python gnuplot package names in the amd_pstate_tracer utility
(Kuan-Wei Chiu)
- Saravana Kannan will maintain the virtual-cpufreq driver (Saravana
Kannan)
- Prevent CPU capacity updates after registering a perf domain from
failing on a first CPU that is not present (Christian Loehle)
- Add support for the cases in which frequency alone is not
sufficient to uniquely identify an OPP (Krishna Chaitanya Chundru)
- Use to_result() for OPP error handling in Rust (Onur Özkan)
- Add support for LPDDR5 on Rockhip RK3588 SoC to rockchip-dfi
devfreq driver (Nicolas Frattaroli)
- Fix an issue where DDR cycle counts on RK3588/RK3528 with LPDDR4(X)
are reported as half by adding a cycle multiplier to the DFI driver
in rockchip-dfi devfreq-event driver (Nicolas Frattaroli)
- Fix missing error pointer dereference check of regulator instance
in the mtk-cci devfreq driver probe and remove a redundant
condition from an if () statement in that driver (Dan Carpenter,
Liao Yuanhong)
- Fail cpuidle device registration if there is one already to avoid
sysfs-related issues (Rafael Wysocki)
- Use sysfs_emit()/sysfs_emit_at() instead of sprintf()/scnprintf()
in cpuidle (Vivek Yadav)
- Fix device and OF node leaks at probe in the qcom-spm cpuidle
driver and drop unnecessary initialisations from it (Johan Hovold)
- Remove unnecessary address-of operators from the intel_idle cpuidle
driver (Kaushlendra Kumar)
- Rearrange main loop in menu_select() to make the code in that
funtion easier to follow (Rafael Wysocki)
- Convert values in microseconds to ktime using us_to_ktime() where
applicable in the intel_idle power capping driver (Xichao Zhao)
- Annotate loops walking device links in the power management core
code as _srcu and add macros for walking device links to reduce the
likelihood of coding mistakes related to them (Rafael Wysocki)
- Document time units for *_time functions in the runtime PM API
(Brian Norris)
- Clear power.must_resume in noirq suspend error path to avoid
resuming a dependant device under a suspended parent or supplier
(Rafael Wysocki)
- Fix GFP mask handling during hybrid suspend and make the amdgpu
driver handle hybrid suspend correctly (Mario Limonciello, Rafael
Wysocki)
- Fix GFP mask handling after aborted hibernation in platform mode
and combine exit paths in power_down() to avoid code duplication
(Rafael Wysocki)
- Use vmalloc_array() and vcalloc() in the hibernation core to avoid
open-coded size computations (Qianfeng Rong)
- Fix typo in hibernation core code comment (Li Jun)
- Call pm_wakeup_clear() in the same place where other functions that
do bookkeeping prior to suspend_prepare() are called (Samuel Wu)
- Fix and clean up the x86_energy_perf_policy utility and update its
documentation (Len Brown, Kaushlendra Kumar)
- Fix incorrect sorting of PMT telemetry in turbostat (Kaushlendra
Kumar)
- Fix incorrect size in cpuidle_state_disable() and the error return
value of cpupower_write_sysfs() in cpupower (Kaushlendra Kumar)"
* tag 'pm-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (86 commits)
PM: hibernate: Combine return paths in power_down()
PM: hibernate: Restrict GFP mask in power_down()
PM: hibernate: Fix pm_hibernation_mode_is_suspend() build breakage
PM: runtime: Documentation: ABI: Document time units for *_time
tools/power x86_energy_perf_policy.8: Emphasize preference for SW interfaces
tools/power x86_energy_perf_policy: Add make snapshot target
tools/power x86_energy_perf_policy: Prefer driver HWP limits
tools/power x86_energy_perf_policy: EPB access is only via sysfs
tools/power x86_energy_perf_policy: Prepare for MSR/sysfs refactoring
tools/power x86_energy_perf_policy: Enhance HWP enable
tools/power x86_energy_perf_policy: Enhance HWP enabled check
tools/power x86_energy_perf_policy: Fix incorrect fopen mode usage
tools/power turbostat: Fix incorrect sorting of PMT telemetry
drm/amd: Fix hybrid sleep
PM: hibernate: Add pm_hibernation_mode_is_suspend()
PM: hibernate: Fix hybrid-sleep
tools/cpupower: Fix incorrect size in cpuidle_state_disable()
tools/power/x86/amd_pstate_tracer: Fix python gnuplot package names
cpufreq: Replace pointer subtraction with iteration macro
cpuidle: Fail cpuidle device registration if there is one already
...
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Cross-merge networking fixes after downstream PR (net-6.17-rc8).
Conflicts:
tools/testing/selftests/drivers/net/bonding/Makefile
87951b566446 selftests: bonding: add test for passive LACP mode
c2377f1763e9 selftests: bonding: add test for LACP actor port priority
Adjacent changes:
drivers/net/ethernet/cadence/macb.h
fca3dc859b20 net: macb: remove illusion about TBQPH/RBQPH being per-queue
89934dbf169e net: macb: Add TAPRIO traffic scheduling support
drivers/net/ethernet/cadence/macb_main.c
fca3dc859b20 net: macb: remove illusion about TBQPH/RBQPH being per-queue
89934dbf169e net: macb: Add TAPRIO traffic scheduling support
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc
Pull nolibc updates from Thomas Weißschuh:
"Only small bugfixes and cleanups"
* tag 'nolibc-20250928-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc:
tools/nolibc: add stdbool.h to nolibc includes
tools/nolibc: make time_t robust if __kernel_old_time_t is missing in host headers
selftests/nolibc: remove outdated comment about construct order
selftests/nolibc: fix EXPECT_NZ macro
tools/nolibc: drop wait4() support
kselftest/arm64: tpidr2: Switch to waitpid() over wait4()
tools/nolibc: fold llseek fallback into lseek()
tools/nolibc: remove __nolibc_enosys() fallback from fork functions
tools/nolibc: remove __nolibc_enosys() fallback from dup2()
tools/nolibc: remove __nolibc_enosys() fallback from *at() functions
tools/nolibc: remove __nolibc_enosys() fallback from time64-related functions
tools/nolibc: use tabs instead of spaces for indentation
tools/nolibc: avoid error in dup2() if old fd equals new fd
selftests/nolibc: always compile the kernel with GCC
selftests/nolibc: don't pass CC to toplevel Makefile
selftests/nolibc: deduplicate invocations of toplevel Makefile
selftests/nolibc: be more specific about variables affecting nolibc-test
tools/nolibc: fix error return value of clock_nanosleep()
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Support pulling non-linear xdp data with bpf_xdp_pull_data() kfunc
(Amery Hung)
Applied as a stable branch in bpf-next and net-next trees.
- Support reading skb metadata via bpf_dynptr (Jakub Sitnicki)
Also a stable branch in bpf-next and net-next trees.
- Enforce expected_attach_type for tailcall compatibility (Daniel
Borkmann)
- Replace path-sensitive with path-insensitive live stack analysis in
the verifier (Eduard Zingerman)
This is a significant change in the verification logic. More details,
motivation, long term plans are in the cover letter/merge commit.
- Support signed BPF programs (KP Singh)
This is another major feature that took years to materialize.
Algorithm details are in the cover letter/marge commit
- Add support for may_goto instruction to s390 JIT (Ilya Leoshkevich)
- Add support for may_goto instruction to arm64 JIT (Puranjay Mohan)
- Fix USDT SIB argument handling in libbpf (Jiawei Zhao)
- Allow uprobe-bpf program to change context registers (Jiri Olsa)
- Support signed loads from BPF arena (Kumar Kartikeya Dwivedi and
Puranjay Mohan)
- Allow access to union arguments in tracing programs (Leon Hwang)
- Optimize rcu_read_lock() + migrate_disable() combination where it's
used in BPF subsystem (Menglong Dong)
- Introduce bpf_task_work_schedule*() kfuncs to schedule deferred
execution of BPF callback in the context of a specific task using the
kernel’s task_work infrastructure (Mykyta Yatsenko)
- Enforce RCU protection for KF_RCU_PROTECTED kfuncs (Kumar Kartikeya
Dwivedi)
- Add stress test for rqspinlock in NMI (Kumar Kartikeya Dwivedi)
- Improve the precision of tnum multiplier verifier operation
(Nandakumar Edamana)
- Use tnums to improve is_branch_taken() logic (Paul Chaignon)
- Add support for atomic operations in arena in riscv JIT (Pu Lehui)
- Report arena faults to BPF error stream (Puranjay Mohan)
- Search for tracefs at /sys/kernel/tracing first in bpftool (Quentin
Monnet)
- Add bpf_strcasecmp() kfunc (Rong Tao)
- Support lookup_and_delete_elem command in BPF_MAP_STACK_TRACE (Tao
Chen)
* tag 'bpf-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (197 commits)
libbpf: Replace AF_ALG with open coded SHA-256
selftests/bpf: Add stress test for rqspinlock in NMI
selftests/bpf: Add test case for different expected_attach_type
bpf: Enforce expected_attach_type for tailcall compatibility
bpftool: Remove duplicate string.h header
bpf: Remove duplicate crypto/sha2.h header
libbpf: Fix error when st-prefix_ops and ops from differ btf
selftests/bpf: Test changing packet data from kfunc
selftests/bpf: Add stacktrace map lookup_and_delete_elem test case
selftests/bpf: Refactor stacktrace_map case with skeleton
bpf: Add lookup_and_delete_elem for BPF_MAP_STACK_TRACE
selftests/bpf: Fix flaky bpf_cookie selftest
selftests/bpf: Test changing packet data from global functions with a kfunc
bpf: Emit struct bpf_xdp_sock type in vmlinux BTF
selftests/bpf: Task_work selftest cleanup fixes
MAINTAINERS: Delete inactive maintainers from AF_XDP
bpf: Mark kfuncs as __noclone
selftests/bpf: Add kprobe multi write ctx attach test
selftests/bpf: Add kprobe write ctx attach test
selftests/bpf: Add uprobe context ip register change test
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull VDSO updates from Thomas Gleixner:
- Further consolidation of the VDSO infrastructure and the common data
store
- Simplification of the related Kconfig logic
- Improve the VDSO selftest suite
* tag 'timers-vdso-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests: vDSO: Drop vdso_test_clock_getres
selftests: vDSO: vdso_test_abi: Add tests for clock_gettime64()
selftests: vDSO: vdso_test_abi: Test CPUTIME clocks
selftests: vDSO: vdso_test_abi: Use explicit indices for name array
selftests: vDSO: vdso_test_abi: Drop clock availability tests
selftests: vDSO: vdso_test_abi: Use ksft_finished()
selftests: vDSO: vdso_test_abi: Correctly skip whole test with missing vDSO
selftests: vDSO: Fix -Wunitialized in powerpc VDSO_CALL() wrapper
vdso: Add struct __kernel_old_timeval forward declaration to gettime.h
vdso: Gate VDSO_GETRANDOM behind HAVE_GENERIC_VDSO
vdso: Drop Kconfig GENERIC_VDSO_TIME_NS
vdso: Drop Kconfig GENERIC_VDSO_DATA_STORE
vdso: Drop kconfig GENERIC_COMPAT_VDSO
vdso: Drop kconfig GENERIC_VDSO_32
riscv: vdso: Untangle Kconfig logic
time: Build generic update_vsyscall() only with generic time vDSO
vdso/gettimeofday: Remove !CONFIG_TIME_NS stubs
vdso: Move ENABLE_COMPAT_VDSO from core to arm64
ARM: VDSO: Remove cntvct_ok global variable
vdso/datastore: Gate time data behind CONFIG_GENERIC_GETTIMEOFDAY
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull futex updates from Thomas Gleixner:
"A set of updates for futexes and related selftests:
- Plug the ptrace_may_access() race against a concurrent exec() which
allows to pass the check before the target's process transition in
exec() by taking a read lock on signal->ext_update_lock.
- A large set of cleanups and enhancement to the futex selftests. The
bulk of changes is the conversion to the kselftest harness"
* tag 'locking-futex-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
selftest/futex: Fix spelling mistake "boundarie" -> "boundary"
selftests/futex: Remove logging.h file
selftests/futex: Drop logging.h include from futex_numa
selftests/futex: Refactor futex_numa_mpol with kselftest_harness.h
selftests/futex: Refactor futex_priv_hash with kselftest_harness.h
selftests/futex: Refactor futex_waitv with kselftest_harness.h
selftests/futex: Refactor futex_requeue with kselftest_harness.h
selftests/futex: Refactor futex_wait with kselftest_harness.h
selftests/futex: Refactor futex_wait_private_mapped_file with kselftest_harness.h
selftests/futex: Refactor futex_wait_unitialized_heap with kselftest_harness.h
selftests/futex: Refactor futex_wait_wouldblock with kselftest_harness.h
selftests/futex: Refactor futex_wait_timeout with kselftest_harness.h
selftests/futex: Refactor futex_requeue_pi_signal_restart with kselftest_harness.h
selftests/futex: Refactor futex_requeue_pi_mismatched_ops with kselftest_harness.h
selftests/futex: Refactor futex_requeue_pi with kselftest_harness.h
selftests: kselftest: Create ksft_print_dbg_msg()
futex: Don't leak robust_list pointer on exec race
selftest/futex: Compile also with libnuma < 2.0.16
selftest/futex: Reintroduce "Memory out of range" numa_mpol's subtest
selftest/futex: Make the error check more precise for futex_numa_mpol
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull rseq updates from Thomas Gleixner:
"Two fixes for RSEQ:
- Protect the event mask modification against the membarrier() IPI as
otherwise the RmW operation is unprotected and events might be lost
- Fix the weak symbol reference in rseq selftests
The current weak RSEQ symbols definitions which were added to allow
static linkage are not working correctly as they effectively
re-define the glibc symbols leading to multiple versions of the
symbols when compiled with -fno-common.
Mark them as 'extern' to convert them from weak symbol definitions
to weak symbol references. That works with static and dynamic
linkage independent of -fcommon and -fno-common"
* tag 'core-rseq-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq/selftests: Use weak symbol reference, not definition, to link with glibc
rseq: Protect event mask against membarrier IPI
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV and apic updates from Borislav Petkov:
- Add functionality to provide runtime firmware updates for the non-x86
parts of an AMD platform like the security processor (ASP) firmware,
modules etc, for example. The intent being that these updates are
interim, live fixups before a proper BIOS update can be attempted
- Add guest support for AMD's Secure AVIC feature which gives encrypted
guests the needed protection against a malicious hypervisor
generating unexpected interrupts and injecting them into such guest,
thus interfering with its operation in an unexpected and negative
manner.
The advantage of this scheme is that the guest determines which
interrupts and when to accept them vs leaving that to the benevolence
(or not) of the hypervisor
- Strictly separate the startup code from the rest of the kernel where
former is executed from the initial 1:1 mapping of memory.
The problem was that the toolchain-generated version of the code was
being executed from a different mapping of memory than what was
"assumed" during code generation, needing an ever-growing pile of
fixups for absolute memory references which are invalid in the early,
1:1 memory mapping during boot.
The major advantage of this is that there's no need to check the 1:1
mapping portion of the code for absolute relocations anymore and get
rid of the RIP_REL_REF() macro sprinkling all over the place.
For more info, see Ard's very detailed writeup on this [1]
- The usual cleanups and fixes
Link: https://lore.kernel.org/r/CAMj1kXEzKEuePEiHB%2BHxvfQbFz0sTiHdn4B%2B%2BzVBJ2mhkPkQ4Q@mail.gmail.com [1]
* tag 'x86_apic_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
x86/boot: Drop erroneous __init annotation from early_set_pages_state()
crypto: ccp - Add AMD Seamless Firmware Servicing (SFS) driver
crypto: ccp - Add new HV-Fixed page allocation/free API
x86/sev: Add new dump_rmp parameter to snp_leak_pages() API
x86/startup/sev: Document the CPUID flow in the boot #VC handler
objtool: Ignore __pi___cfi_ prefixed symbols
x86/sev: Zap snp_abort()
x86/apic/savic: Do not use snp_abort()
x86/boot: Get rid of the .head.text section
x86/boot: Move startup code out of __head section
efistub/x86: Remap inittext read-execute when needed
x86/boot: Create a confined code area for startup code
x86/kbuild: Incorporate boot/startup/ via Kbuild makefile
x86/boot: Revert "Reject absolute references in .head.text"
x86/boot: Check startup code for absence of absolute relocations
objtool: Add action to check for absence of absolute relocations
x86/sev: Export startup routines for later use
x86/sev: Move __sev_[get|put]_ghcb() into separate noinstr object
x86/sev: Provide PIC aliases for SEV related data objects
x86/boot: Provide PIC aliases for 5-level paging related constants
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpuid updates from Borislav Petkov:
- Make UMIP instruction detection more robust
- Correct and cleanup AMD CPU topology detection; document the relevant
CPUID leaves topology parsing precedence on AMD
- Add support for running the kernel as guest on FreeBSD's Bhyve
hypervisor
- Cleanups and improvements
* tag 'x86_cpu_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/umip: Fix decoding of register forms of 0F 01 (SGDT and SIDT aliases)
x86/umip: Check that the instruction opcode is at least two bytes
Documentation/x86/topology: Detail CPUID leaves used for topology enumeration
x86/cpu/topology: Define AMD64_CPUID_EXT_FEAT MSR
x86/cpu/topology: Check for X86_FEATURE_XTOPOLOGY instead of passing has_xtopology
x86/cpu/cacheinfo: Simplify cacheinfo_amd_init_llc_id() using _cpuid4_info
x86/cpu: Rename and move CPU model entry for Diamond Rapids
x86/cpu: Detect FreeBSD Bhyve hypervisor
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 instruction decoder update from Borislav Petkov:
- Add instruction decoding support for the XOP-prefixed instruction set
present on the AMD Bulldozer uarch
[ These instructions don't normally happen, but a X86_NATIVE_CPU build
on a bulldozer host can make the compiler then use these unusual
instruction encodings ]
* tag 'x86_misc_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/insn: Add XOP prefix instructions decoder support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance events updates from Ingo Molnar:
"Core perf code updates:
- Convert mmap() related reference counts to refcount_t. This is in
reaction to the recently fixed refcount bugs, which could have been
detected earlier and could have mitigated the bug somewhat (Thomas
Gleixner, Peter Zijlstra)
- Clean up and simplify the callchain code, in preparation for
sframes (Steven Rostedt, Josh Poimboeuf)
Uprobes updates:
- Add support to optimize usdt probes on x86-64, which gives a
substantial speedup (Jiri Olsa)
- Cleanups and fixes on x86 (Peter Zijlstra)
PMU driver updates:
- Various optimizations and fixes to the Intel PMU driver (Dapeng Mi)
Misc cleanups and fixes:
- Remove redundant __GFP_NOWARN (Qianfeng Rong)"
* tag 'perf-core-2025-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
selftests/bpf: Fix uprobe_sigill test for uprobe syscall error value
uprobes/x86: Return error from uprobe syscall when not called from trampoline
perf: Skip user unwind if the task is a kernel thread
perf: Simplify get_perf_callchain() user logic
perf: Use current->flags & PF_KTHREAD|PF_USER_WORKER instead of current->mm == NULL
perf: Have get_perf_callchain() return NULL if crosstask and user are set
perf: Remove get_perf_callchain() init_nr argument
perf/x86: Print PMU counters bitmap in x86_pmu_show_pmu_cap()
perf/x86/intel: Add ICL_FIXED_0_ADAPTIVE bit into INTEL_FIXED_BITS_MASK
perf/x86/intel: Change macro GLOBAL_CTRL_EN_PERF_METRICS to BIT_ULL(48)
perf/x86: Add PERF_CAP_PEBS_TIMING_INFO flag
perf/x86/intel: Fix IA32_PMC_x_CFG_B MSRs access error
perf/x86/intel: Use early_initcall() to hook bts_init()
uprobes: Remove redundant __GFP_NOWARN
selftests/seccomp: validate uprobe syscall passes through seccomp
seccomp: passthrough uprobe systemcall without filtering
selftests/bpf: Fix uprobe syscall shadow stack test
selftests/bpf: Change test_uretprobe_regs_change for uprobe and uretprobe
selftests/bpf: Add uprobe_regs_equal test
selftests/bpf: Add optimized usdt variant for basic usdt test
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Extensive cpuset code cleanup and refactoring work with no functional
changes: CPU mask computation logic refactoring, introducing new
helpers, removing redundant code paths, and improving error handling
for better maintainability.
- A few bug fixes to cpuset including fixes for partition creation
failures when isolcpus is in use, missing error returns, and null
pointer access prevention in free_tmpmasks().
- Core cgroup changes include replacing the global percpu_rwsem with
per-threadgroup rwsem when writing to cgroup.procs for better
scalability, workqueue conversions to use WQ_PERCPU and
system_percpu_wq to prepare for workqueue default switching from
percpu to unbound, and removal of unused code including the
post_attach callback.
- New cgroup.stat.local time accounting feature that tracks frozen time
duration.
- Misc changes including selftests updates (new freezer time tests and
backward compatibility fixes), documentation sync, string function
safety improvements, and 64-bit division fixes.
* tag 'cgroup-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (39 commits)
cpuset: remove is_prs_invalid helper
cpuset: remove impossible warning in update_parent_effective_cpumask
cpuset: remove redundant special case for null input in node mask update
cpuset: fix missing error return in update_cpumask
cpuset: Use new excpus for nocpu error check when enabling root partition
cpuset: fix failure to enable isolated partition when containing isolcpus
Documentation: cgroup-v2: Sync manual toctree
cpuset: use partition_cpus_change for setting exclusive cpus
cpuset: use parse_cpulist for setting cpus.exclusive
cpuset: introduce partition_cpus_change
cpuset: refactor cpus_allowed_validate_change
cpuset: refactor out validate_partition
cpuset: introduce cpus_excl_conflict and mems_excl_conflict helpers
cpuset: refactor CPU mask buffer parsing logic
cpuset: Refactor exclusive CPU mask computation logic
cpuset: change return type of is_partition_[in]valid to bool
cpuset: remove unused assignment to trialcs->partition_root_state
cpuset: move the root cpuset write check earlier
cgroup/cpuset: Remove redundant rcu_read_lock/unlock() in spin_lock
cgroup: Remove redundant rcu_read_lock/unlock() in spin_lock
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext updates from Tejun Heo:
- Code organization cleanup. Separate internal types and accessors to
ext_internal.h to reduce the size of ext.c and improve
maintainability.
- Prepare for cgroup sub-scheduler support by adding @sch parameter to
various functions and helpers, reorganizing scheduler instance
handling, and dropping obsolete helpers like scx_kf_exit() and
kf_cpu_valid().
- Add new scx_bpf_cpu_curr() and scx_bpf_locked_rq() BPF helpers to
provide safer access patterns with proper RCU protection.
scx_bpf_cpu_rq() is deprecated with warnings due to potential race
conditions.
- Improve debugging with migration-disabled counter in error state
dumps, SCX_EFLAG_INITIALIZED flag, bitfields for warning flags, and
other enhancements to help diagnose issues.
- Use cgroup_lock/unlock() for cgroup synchronization instead of
scx_cgroup_rwsem based synchronization. This is simpler and allows
enable/disable paths to synchronize against cgroup changes
independent of the CPU controller.
- rhashtable_lookup() replacement to avoid redundant RCU locking was
reverted due to RCU usage warnings. Will be redone once rhashtable is
updated to use rcu_dereference_all().
- Other misc updates and fixes including bypass handling improvements,
scx_task_iter_relock() improvements, tools/sched_ext updates, and
compatibility helpers.
* tag 'sched_ext-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (28 commits)
Revert "sched_ext: Use rhashtable_lookup() instead of rhashtable_lookup_fast()"
sched_ext: Misc updates around scx_sched instance pointer
sched_ext: Drop scx_kf_exit() and scx_kf_error()
sched_ext: Add the @sch parameter to scx_dsq_insert_preamble/commit()
sched_ext: Drop kf_cpu_valid()
sched_ext: Add the @sch parameter to ext_idle helpers
sched_ext: Add the @sch parameter to __bstr_format()
sched_ext: Separate out scx_kick_cpu() and add @sch to it
tools/sched_ext: scx_qmap: Make debug output quieter by default
sched_ext: Make qmap dump operation non-destructive
sched_ext: Add SCX_EFLAG_INITIALIZED to indicate successful ops.init()
sched_ext: Use bitfields for boolean warning flags
sched_ext: Fix stray scx_root usage in task_can_run_on_remote_rq()
sched_ext: Improve SCX_KF_DISPATCH comment
sched_ext: Use rhashtable_lookup() instead of rhashtable_lookup_fast()
sched_ext: Verify RCU protection in scx_bpf_cpu_curr()
sched_ext: Add migration-disabled counter to error state dump
sched_ext: Fix NULL dereference in scx_bpf_cpu_rq() warning
tools/sched_ext: Add compat helper for scx_bpf_cpu_curr()
sched_ext: deprecation warn for scx_bpf_cpu_rq()
...
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Add the tcp_port_share test binary to .gitignore to avoid
accidentally staging the build artifact.
Signed-off-by: Gopi Krishna Menon <krishnagopi487@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250929163140.122383-1-krishnagopi487@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add tests for making sure device can disappear while associations
exist. This is netdevsim-only since destroying real devices is
more tricky.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-9-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Test TCP MSS getting auto-adjusted. PSP adds an encapsulation overhead
of 40B per packet, when used in transport mode without any
virtualization cookie or other optional PSP header fields. The kernel
should adjust the MSS for a connection after PSP tx state is reached.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-8-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add test checking conditions which lead to connections breaking.
Using bad key or connection gets stuck if device key is rotated
twice.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-7-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add tests for exercising PSP associations for TCP sockets.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-6-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add basic tests for sending data over PSP and making sure that key
rotation toggles the MSB of the spi.
Deploy PSP responder on the remote end. We also need a healthy dose
of common helpers for setting up the connections, assertions and
interrogating socket state on the Python side.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-5-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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PSP tests need the remote system to support PSP, and some PSP capable
application to exchange data with. Create a simple PSP responder app
which we can build and deploy to the remote host. The tests themselves
can be written in Python but for ease of deploying the responder is in C
(using C YNL).
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-4-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Simple PSP test to getting info about PSP devices.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-3-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This introduces a test for IPSec offload over bonding, utilizing netdevsim
for the testing process, as veth interfaces do not support IPSec offload.
The test will ensure that the IPSec offload functionality remains operational
even after a failover event occurs in the bonding configuration.
Here is the test result:
TEST: bond_ipsec_offload (active_slave eth0) [ OK ]
TEST: bond_ipsec_offload (active_slave eth1) [ OK ]
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20250925023304.472186-2-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Madhavan Srinivasan:
- powerpc support for BPF arena and arena atomics
- Patches to switch to msi parent domain (per-device MSI domains)
- Add a lock contention tracepoint in the queued spinlock slowpath
- Fixes for underflow in pseries/powernv msi and pci paths
- Switch from legacy-of-mm-gpiochip dependency to platform driver
- Fixes for handling TLB misses
- Introduce support for powerpc papr-hvpipe
- Add vpa-dtl PMU driver for pseries platform
- Misc fixes and cleanups
Thanks to Aboorva Devarajan, Aditya Bodkhe, Andrew Donnellan, Athira
Rajeev, Cédric Le Goater, Christophe Leroy, Erhard Furtner, Gautam
Menghani, Geert Uytterhoeven, Haren Myneni, Hari Bathini, Joe Lawrence,
Kajol Jain, Kienan Stewart, Linus Walleij, Mahesh Salgaonkar, Nam Cao,
Nicolas Schier, Nysal Jan K.A., Ritesh Harjani (IBM), Ruben Wauters,
Saket Kumar Bhaskar, Shashank MS, Shrikanth Hegde, Tejas Manhas, Thomas
Gleixner, Thomas Huth, Thorsten Blum, Tyrel Datwyler, and Venkat Rao
Bagalkote.
* tag 'powerpc-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (49 commits)
powerpc/pseries: Define __u{8,32} types in papr_hvpipe_hdr struct
genirq/msi: Remove msi_post_free()
powerpc/perf/vpa-dtl: Add documentation for VPA dispatch trace log PMU
powerpc/perf/vpa-dtl: Handle the writing of perf record when aux wake up is needed
powerpc/perf/vpa-dtl: Add support to capture DTL data in aux buffer
powerpc/perf/vpa-dtl: Add support to setup and free aux buffer for capturing DTL data
docs: ABI: sysfs-bus-event_source-devices-vpa-dtl: Document sysfs event format entries for vpa_dtl pmu
powerpc/vpa_dtl: Add interface to expose vpa dtl counters via perf
powerpc/time: Expose boot_tb via accessor
powerpc/32: Remove PAGE_KERNEL_TEXT to fix startup failure
powerpc/fprobe: fix updated fprobe for function-graph tracer
powerpc/ftrace: support CONFIG_FUNCTION_GRAPH_RETVAL
powerpc64/modules: replace stub allocation sentinel with an explicit counter
powerpc64/modules: correctly iterate over stubs in setup_ftrace_ool_stubs
powerpc/ftrace: ensure ftrace record ops are always set for NOPs
powerpc/603: Really copy kernel PGD entries into all PGDIRs
powerpc/8xx: Remove left-over instruction and comments in DataStoreTLBMiss handler
powerpc/pseries: HVPIPE changes to support migration
powerpc/pseries: Enable hvpipe with ibm,set-system-parameter RTAS
powerpc/pseries: Enable HVPIPE event message interrupt
...
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Paul Walmsley
- Replacement of __ASSEMBLY__ with __ASSEMBLER__ in header files (other
architectures have already merged this type of cleanup)
- The introduction of ioremap_wc() for RISC-V
- Cleanup of the RISC-V kprobes code to use mostly-extant macros rather
than open code
- A RISC-V kprobes unit test
- An architecture-specific endianness swap macro set implementation,
leveraging some dedicated RISC-V instructions for this purpose if
they are available
- The ability to identity and communicate to userspace the presence
of a MIPS P8700-specific ISA extension, and to leverage its
MIPS-specific PAUSE implementation in cpu_relax()
- Several other miscellaneous cleanups
* tag 'riscv-for-linus-6.18-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (39 commits)
riscv: errata: Fix the PAUSE Opcode for MIPS P8700
riscv: hwprobe: Document MIPS xmipsexectl vendor extension
riscv: hwprobe: Add MIPS vendor extension probing
riscv: Add xmipsexectl instructions
riscv: Add xmipsexectl as a vendor extension
dt-bindings: riscv: Add xmipsexectl ISA extension description
riscv: cpufeature: add validation for zfa, zfh and zfhmin
perf: riscv: skip empty batches in counter start
selftests: riscv: Add README for RISC-V KSelfTest
riscv: sbi: Switch to new sys-off handler API
riscv: Move vendor errata definitions to new header
RISC-V: ACPI: enable parsing the BGRT table
riscv: Enable ARCH_HAVE_NMI_SAFE_CMPXCHG
riscv: pi: use 'targets' instead of extra-y in Makefile
riscv: introduce asm/swab.h
riscv: mmap(): use unsigned offset type in riscv_sys_mmap
drivers/perf: riscv: Remove redundant ternary operators
riscv: mm: Use mmu-type from FDT to limit SATP mode
riscv: mm: Return intended SATP mode for noXlvl options
riscv: kprobes: Remove duplication of RV_EXTRACT_ITYPE_IMM
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"There's good stuff across the board, including some nice mm
improvements for CPUs with the 'noabort' BBML2 feature and a clever
patch to allow ptdump to play nicely with block mappings in the
vmalloc area.
Confidential computing:
- Add support for accepting secrets from firmware (e.g. ACPI CCEL)
and mapping them with appropriate attributes.
CPU features:
- Advertise atomic floating-point instructions to userspace
- Extend Spectre workarounds to cover additional Arm CPU variants
- Extend list of CPUs that support break-before-make level 2 and
guarantee not to generate TLB conflict aborts for changes of
mapping granularity (BBML2_NOABORT)
- Add GCS support to our uprobes implementation.
Documentation:
- Remove bogus SME documentation concerning register state when
entering/exiting streaming mode.
Entry code:
- Switch over to the generic IRQ entry code (GENERIC_IRQ_ENTRY)
- Micro-optimise syscall entry path with a compiler branch hint.
Memory management:
- Enable huge mappings in vmalloc space even when kernel page-table
dumping is enabled
- Tidy up the types used in our early MMU setup code
- Rework rodata= for closer parity with the behaviour on x86
- For CPUs implementing BBML2_NOABORT, utilise block mappings in the
linear map even when rodata= applies to virtual aliases
- Don't re-allocate the virtual region between '_text' and '_stext',
as doing so confused tools parsing /proc/vmcore.
Miscellaneous:
- Clean-up Kconfig menuconfig text for architecture features
- Avoid redundant bitmap_empty() during determination of supported
SME vector lengths
- Re-enable warnings when building the 32-bit vDSO object
- Avoid breaking our eggs at the wrong end.
Perf and PMUs:
- Support for v3 of the Hisilicon L3C PMU
- Support for Hisilicon's MN and NoC PMUs
- Support for Fujitsu's Uncore PMU
- Support for SPE's extended event filtering feature
- Preparatory work to enable data source filtering in SPE
- Support for multiple lanes in the DWC PCIe PMU
- Support for i.MX94 in the IMX DDR PMU driver
- MAINTAINERS update (Thank you, Yicong)
- Minor driver fixes (PERF_IDX2OFF() overflow, CMN register offsets).
Selftests:
- Add basic LSFE check to the existing hwcaps test
- Support nolibc in GCS tests
- Extend SVE ptrace test to pass unsupported regsets and invalid
vector lengths
- Minor cleanups (typos, cosmetic changes).
System registers:
- Fix ID_PFR1_EL1 definition
- Fix incorrect signedness of some fields in ID_AA64MMFR4_EL1
- Sync TCR_EL1 definition with the latest Arm ARM (L.b)
- Be stricter about the input fed into our AWK sysreg generator
script
- Typo fixes and removal of redundant definitions.
ACPI, EFI and PSCI:
- Decouple Arm's "Software Delegated Exception Interface" (SDEI)
support from the ACPI GHES code so that it can be used by platforms
booted with device-tree
- Remove unnecessary per-CPU tracking of the FPSIMD state across EFI
runtime calls
- Fix a node refcount imbalance in the PSCI device-tree code.
CPU Features:
- Ensure register sanitisation is applied to fields in ID_AA64MMFR4
- Expose AIDR_EL1 to userspace via sysfs, primarily so that KVM
guests can reliably query the underlying CPU types from the VMM
- Re-enabling of SME support (CONFIG_ARM64_SME) as a result of fixes
to our context-switching, signal handling and ptrace code"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (93 commits)
arm64: cpufeature: Remove duplicate asm/mmu.h header
arm64: Kconfig: Make CPU_BIG_ENDIAN depend on BROKEN
perf/dwc_pcie: Fix use of uninitialized variable
arm/syscalls: mark syscall invocation as likely in invoke_syscall
Documentation: hisi-pmu: Add introduction to HiSilicon V3 PMU
Documentation: hisi-pmu: Fix of minor format error
drivers/perf: hisi: Add support for L3C PMU v3
drivers/perf: hisi: Refactor the event configuration of L3C PMU
drivers/perf: hisi: Extend the field of tt_core
drivers/perf: hisi: Extract the event filter check of L3C PMU
drivers/perf: hisi: Simplify the probe process of each L3C PMU version
drivers/perf: hisi: Export hisi_uncore_pmu_isr()
drivers/perf: hisi: Relax the event ID check in the framework
perf: Fujitsu: Add the Uncore PMU driver
arm64: map [_text, _stext) virtual address range non-executable+read-only
arm64/sysreg: Update TCR_EL1 register
arm64: Enable vmalloc-huge with ptdump
arm64: cpufeature: add Neoverse-V3AE to BBML2 allow list
arm64: errata: Apply workarounds for Neoverse-V3AE
arm64: cputype: Add Neoverse-V3AE definitions
...
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This also does not have the non-experimental version, so converted to FO.
The comment in .pkt explains the detailed scenario.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-14-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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sockopt-fastopen-key.pkt does not have the non-experimental
version, so the Experimental version is converted, FOEXP -> FO.
The test sets net.ipv4.tcp_fastopen_key=0-0-0-0 and instead
sets another key via setsockopt(TCP_FASTOPEN_KEY).
The first listener generates a valid cookie in response to TFO
option without cookie, and the second listner creates a TFO socket
using the valid cookie.
TCP_FASTOPEN_KEY is adjusted to use the common key in default.sh
so that we can use TFO_COOKIE and support dualstack. Similarly,
TFO_COOKIE_ZERO for the 0-0-0-0 key is defined.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-13-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These changes are applied to follow the imported packetdrill tests.
* Call setsockopt(TCP_FASTOPEN)
* Remove unnecessary accept() delay
* Add assertion for TCP states
* Rename to tcp_fastopen_server_trigger-rst-reconnect.pkt.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-12-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This imports the non-experimental version of opt34/*-trigger-rst.pkt.
| accept() | SYN data |
-----------------------------------+----------+----------+
listener-closed-trigger-rst.pkt | no | unread |
unread-data-closed-trigger-rst.pkt | yes | unread |
Both files test that close()ing a SYN_RECV socket with unread SYN data
triggers RST.
The files are renamed to have the common prefix, trigger-rst.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-11-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This imports the non-experimental version of opt34/reset-*.pkt.
| Child | RST | sk_err |
---------------------------------+---------+-------------------------------+---------+
reset-after-accept.pkt | TFO | after accept(), SYN_RECV | read() |
reset-close-with-unread-data.pkt | TFO | after accept(), SYN_RECV | write() |
reset-before-accept.pkt | TFO | before accept(), SYN_RECV | read() |
reset-non-tfo-socket.pkt | non-TFO | before accept(), ESTABLISHED | write() |
The first 3 files test scenarios where a SYN_RECV socket receives RST
before/after accept() and data in SYN must be read() without error,
but the following read() or fist write() will return ECONNRESET.
The last test is similar but with non-TFO socket.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-10-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This imports the non-experimental version of icmp-before-accept.pkt.
This file tests the scenario where an ICMP unreachable packet for a
not-yet-accept()ed socket changes its state to TCP_CLOSE, but the
SYN data must be read without error, and the following read() returns
EHOSTUNREACH.
Note that this test support only IPv4 as icmp is used.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-9-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This imports the non-experimental version of fin-close-socket.pkt.
This file tests the scenario where a TFO child socket's state
transitions from SYN_RECV to CLOSE_WAIT before accept()ed.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-8-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The only difference between non-experimental vs experimental TFO
option handling is SYN+ACK generation.
When tcp_parse_fastopen_option() parses a TFO option, it sets
tcp_fastopen_cookie.exp to false if the option number is 34,
and true if 255.
The value is carried to tcp_options_write() to generate a TFO option
with the same option number.
Other than that, all the TFO handling is the same and the kernel must
generate the same cookie regardless of the option number.
Let's add a test for the handling so that we can consolidate
fastopen/server/ tests and fastopen/server/opt34 tests.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-7-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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TFO_SERVER_WO_SOCKOPT1 is no longer enabled by default, and
each server test requires setsockopt(TCP_FASTOPEN).
Let's add a basic test for TFO_SERVER_WO_SOCKOPT1.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-6-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This imports basic TFO server tests from google/packetdrill.
The repository has two versions of tests for most scenarios; one uses
the non-experimental option (34), and the other uses the experimental
option (255) with 0xF989.
This only imports the following tests of the non-experimental version
placed in [0]. I will add a specific test for the experimental option
handling later.
| TFO | Cookie | Payload |
---------------------------+-----+--------+---------+
basic-rw.pkt | yes | yes | yes |
basic-zero-payload.pkt | yes | yes | no |
basic-cookie-not-reqd.pkt | yes | no | yes |
basic-non-tfo-listener.pkt | no | yes | yes |
pure-syn-data.pkt | yes | no | yes |
The original pure-syn-data.pkt missed setsockopt(TCP_FASTOPEN) and did
not test TFO server in some scenarios unintentionally, so setsockopt()
is added where needed. In addition, non-TFO scenario is stripped as
it is covered by basic-non-tfo-listener.pkt. Also, I added basic- prefix.
Link: https://github.com/google/packetdrill/tree/bfc96251310f/gtests/net/tcp/fastopen/server/opt34 #[0]
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-5-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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TCP Fast Open cookie is generated in __tcp_fastopen_cookie_gen_cipher().
The cookie value is generated from src/dst IPs and a key configured by
setsockopt(TCP_FASTOPEN_KEY) or net.ipv4.tcp_fastopen_key.
The default.sh sets net.ipv4.tcp_fastopen_key, and the original packetdrill
defines the corresponding cookie as TFO_COOKIE in run_all.py. [0]
Then, each test does not need to care about the value, and we can easily
update TFO_COOKIE in case __tcp_fastopen_cookie_gen_cipher() changes the
algorithm.
However, some tests use the bare hex value for specific IPv4 addresses
and do not support IPv6.
Let's define the same TFO_COOKIE in ksft_runner.sh.
We will replace such bare hex values with TFO_COOKIE except for a single
test for setsockopt(TCP_FASTOPEN_KEY).
Link: https://github.com/google/packetdrill/blob/7230b3990f94/gtests/net/packetdrill/run_all.py#L65 #[0]
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-4-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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To enable TCP Fast Open on a server, net.ipv4.tcp_fastopen must
have 0x2 (TFO_SERVER_ENABLE), and we need to do either
1. Call setsockopt(TCP_FASTOPEN) for the socket
2. Set 0x400 (TFO_SERVER_WO_SOCKOPT1) additionally to net.ipv4.tcp_fastopen
The default.sh sets 0x70403 so that each test does not need setsockopt().
(0x1 is TFO_CLIENT_ENABLE, and 0x70000 is ...???)
However, some tests overwrite net.ipv4.tcp_fastopen without
TFO_SERVER_WO_SOCKOPT1 and forgot setsockopt(TCP_FASTOPEN).
For example, pure-syn-data.pkt [0] tests non-TFO servers unintentionally,
except in the first scenario.
To prevent such an accident, let's require explicit setsockopt().
TFO_CLIENT_ENABLE is necessary for
tcp_syscall_bad_arg_fastopen-invalid-buf-ptr.pkt.
Link: https://github.com/google/packetdrill/blob/bfc96251310f/gtests/net/tcp/fastopen/server/opt34/pure-syn-data.pkt #[0]
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-3-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The cited commit forgot to update the ktap_set_plan call.
ktap_set_plan sets the number of tests (KSFT_NUM_TESTS), which must
match the number of executed tests (KTAP_CNT_PASS + KTAP_CNT_SKIP +
KTAP_CNT_XFAIL) in ktap_finished.
Otherwise, the selftest exit()s with 1.
Let's adjust KSFT_NUM_TESTS based on supported protocols.
While at it, misalignment is fixed up.
Fixes: a5c10aa3d1ba ("selftests/net: packetdrill: Support single protocol test.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250927213022.1850048-2-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Here are a few sub-tests for mptcp_join.sh, validating the new 'laminar'
endpoint type.
In a setup where subflows created using the routing rules would be
rejected by the listener, and where the latter announces one IP address,
some cases are verified:
- Without any 'laminar' endpoints: no new subflows are created.
- With one 'laminar' endpoint: a second subflow is created.
- With multiple 'laminar' endpoints: 2 IPv4 subflows are created.
- With one 'laminar' endpoint, but the server announcing a second IP
address, only one subflow is created.
- With one 'laminar' + 'subflow' endpoint, the same endpoint is only
used once.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250927-net-next-mptcp-rcv-path-imp-v1-8-5da266aa9c1a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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