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v7.4-rc1
811 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
734bef548a |
Networking changes for 7.4.
Core & protocols
----------------
- Continue the work on removing rtnl_lock dependencies:
- per-netns ARP and ND neighbour tables, with the default settings
now configurable per netns (inheritance from init_net is
controlled by the new net.core.neigh_inherit_init_net sysctl)
- RCU-protected configuration and rtnl_lock-less fill_info() for
hsr, netkit, sit, vlan and vxlan devices
- per-netns device unregistration for ip tunnel and gre devices
- use the netdev instance lock instead of rtnl_lock when reading
speed and duplex via sysfs
- batch the flushing of uncached routes at device unregistration
time, relieving rtnl_lock contention on netns dismantle.
- Add hardware pacing offload support, admin-controlled via a new
rtnetlink attribute, with sch_fq integration (implemented in idpf).
- Re-segment BIG TCP GSO packets into GSO packets fitting the
egress device limits instead of plain MSS-sized segments,
improving throughput for mixed BIG TCP / non-BIG TCP paths
by up to 70%.
- Generate RSS keys that spread flows over all the RX queues; the
previous random keys could leave some queues unused.
- Optimize the bridge VLAN forwarding paths: cache the port-VLAN in fdb
entries and consider only VLAN members when flooding, for ~10% more
Mpps in the fdb forwarding path.
- A few TCP/IP performance improvements aimed at efficient cache
usage and reducing contention.
- Add the TCP ROCCET congestion control, a CUBIC variant aimed at
avoiding bufferbloat in cellular networks.
- Continue the conversion of getsockopt callbacks to sockopt_t.
- Add an ethtool command to list the front-facing ports of an
interface, including SFP cages and modules, using the phy_port
representation.
- Enable BIG TCP support for bareudp tunnels.
- Remove the IPV6_ADDRFORM socket option and disallow buggy TCP state
transitions (listen() + shutdown() + connect() and connect() +
connect(AF_UNSPEC) + listen()).
- Remove most BUG_ON()s from core packet processing, replacing them
with error paths.
Wireless
--------
- Latency improvements, including lockless station get/dump and beacon
updates, plus RTNL reduction and locking cleanups.
- Infrastructure for non-station TX/RX with MLO.
- NAN (Wi-Fi Aware) Instant Communication support and other NAN
improvements.
- Control frame Integrity Protocol (CIP) and protected TWT support.
- Improvements for AP regulatory checks.
Netfilter
---------
- Disable br_netfilter in user namespaces and schedule it for removal
in 2027.
- Restrict the raw table in nft_compat to the specific family, hook and
priority.
- Prepare the flowtable for mixed IPv4-over-IPv6 tunneling (and
vice versa).
- Use GFP_KERNEL_ACCOUNT for most netfilter allocations, for better
integration with memcg.
- Allow discovering conntrack zone filtering support in ctnetlink
dumps, and fix nfnetlink_hook handling of large dumps.
Deletions
---------
- Move the LLC type 2 sockets out of tree. There are no known users and
the code attracts a never-ending stream of LLM-driven fixes.
Device drivers
--------------
- New drivers:
- Meta Platforms NIC (mpnic), the second-generation NIC from Meta
- initial skeleton of the Nebula-matrix NICs driver (nbl)
- X-Powers AC200/AC300 Fast Ethernet PHYs
- Ethernet high-speed NICs:
- Intel:
- i40e: XDP metadata support for RX hash and VLAN tag
- ice: expose the E825 TSPLL state via the DPLL subsystem
- nVidia/Mellanox:
- move the data direct infrastructure from IB to core, in
preparation for netdev support.
- reduce the memory used per offloaded TC rule
- Meta (fbnic):
- support large io_uring zero-copy RX buffers
- Microsoft vNIC (mana):
- add BQL support
- Ethernet NICs consumer, and embedded:
- Airoha:
- LRO offload support
- Cadence (macb):
- context swapping for ringparam and MTU changes, avoiding
buffer loss under memory pressure
- Mucse (rnpgbe):
- TX/RX and link status support
- NXP (enetc):
- SR-IOV improvements and VF support for ENETC v4
- Qualcomm (ppe):
- IPQ5424 support
- Realtek PCI (r8169):
- phylink support
- RSS support for RTL8127
- Renesas (ravb):
- gPTP support for R-Car Gen4
- Synopsys (stmmac):
- XDP multi-buffer support on the TX side
- tc mqprio hw queue priority offload
- support for RK3568 SGMII, Allwinner H616 EMAC1, UltraRISC
DP1000 and Qualcomm sa8255p
- Ethernet switches:
- Mediatek (mt7530):
- fast age and change conduit support
- Microchip (ksz):
- support for KSZ8995XA/KS8995XA
- Microchip (lan966x):
- PCIe FDMA support, ~20x throughput increase in PCIe endpoint
- Microchip (sparx5):
- Time Aware Shaper (taprio) offload
- Motorcomm (yt921x):
- LED and SerDes PCS support
- Realtek (rtl8365mb):
- EEE support
- Ethernet PHYs:
- Broadcom:
- enable jumbo frames on BCM54xx
- Realtek:
- support for RTL8261CE_CG and RTL8261D_VM
- MDIO support for RTL838x and RTL839x
- WiFi drivers:
- Broadcom (brcmfmac):
- FT/OKC roaming offload
- Intel (iwlwifi):
- UHR sniffer support
- support for newer UEFI/BIOS tables
- MediaTek (mt76):
- mt7925 NAN improvements
- offchannel/scan improvements and MLO fixes
- Morse Micro (mm81x):
- monitor mode support
- Qualcomm (ath12k):
- IPQ5332 platform infrastructure
- Realtek (rtw88):
- RTL8723BS support
- SDIO TX performance improvements
- Realtek (rtw89):
- P2P_DEVICE support
- BT-coex updates for RTL8922D
- Bluetooth:
- move H:4 reassembly into the Bluetooth core
- add generic support for vendor packets
- MGMT: add security level changed event
- Bluetooth drivers:
- btusb: support Bulk Serialization Mode
- Intel: support Draco and Titan Lake, allow unsigned firmware
- Mediatek: MT7928 support
- Qualcomm: QCC2072 support
- Broadcom: Synaptics 4384 support
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"This includes a significant number of low-priority fixes - especially
in the NIC drivers area - that we deferred from the last few RCs in
the previous cycle, which can't be easily outlined in the synopsis
below.
Core & protocols:
- Continue the work on removing rtnl_lock dependencies:
- per-netns ARP and ND neighbour tables, with the default settings
now configurable per netns (inheritance from init_net is
controlled by the new net.core.neigh_inherit_init_net sysctl)
- RCU-protected configuration and rtnl_lock-less fill_info() for
hsr, netkit, sit, vlan and vxlan devices
- per-netns device unregistration for ip tunnel and gre devices
- use the netdev instance lock instead of rtnl_lock when reading
speed and duplex via sysfs
- batch the flushing of uncached routes at device unregistration
time, relieving rtnl_lock contention on netns dismantle.
- Add hardware pacing offload support, admin-controlled via a new
rtnetlink attribute, with sch_fq integration (implemented in idpf).
- Re-segment BIG TCP GSO packets into GSO packets fitting the egress
device limits instead of plain MSS-sized segments, improving
throughput for mixed BIG TCP / non-BIG TCP paths by up to 70%.
- Generate RSS keys that spread flows over all the RX queues; the
previous random keys could leave some queues unused.
- Optimize the bridge VLAN forwarding paths: cache the port-VLAN in
fdb entries and consider only VLAN members when flooding, for ~10%
more Mpps in the fdb forwarding path.
- A few TCP/IP performance improvements aimed at efficient cache
usage and reducing contention.
- Add the TCP ROCCET congestion control, a CUBIC variant aimed at
avoiding bufferbloat in cellular networks.
- Continue the conversion of getsockopt callbacks to sockopt_t.
- Add an ethtool command to list the front-facing ports of an
interface, including SFP cages and modules, using the phy_port
representation.
- Enable BIG TCP support for bareudp tunnels.
- Remove the IPV6_ADDRFORM socket option and disallow buggy TCP state
transitions (listen() + shutdown() + connect() and connect() +
connect(AF_UNSPEC) + listen()).
- Remove most BUG_ON()s from core packet processing, replacing them
with error paths.
Wireless:
- Latency improvements, including lockless station get/dump and
beacon updates, plus RTNL reduction and locking cleanups.
- Infrastructure for non-station TX/RX with MLO.
- NAN (Wi-Fi Aware) Instant Communication support and other NAN
improvements.
- Control frame Integrity Protocol (CIP) and protected TWT support.
- Improvements for AP regulatory checks.
Netfilter:
- Disable br_netfilter in user namespaces and schedule it for removal
in 2027.
- Restrict the raw table in nft_compat to the specific family, hook
and priority.
- Prepare the flowtable for mixed IPv4-over-IPv6 tunneling (and vice
versa).
- Use GFP_KERNEL_ACCOUNT for most netfilter allocations, for better
integration with memcg.
- Allow discovering conntrack zone filtering support in ctnetlink
dumps, and fix nfnetlink_hook handling of large dumps.
Deletions:
- Move the LLC type 2 sockets out of tree. There are no known users
and the code attracts a never-ending stream of LLM-driven fixes.
Device drivers:
- New drivers:
- Meta Platforms NIC (mpnic), the second-generation NIC from Meta
- initial skeleton of the Nebula-matrix NICs driver (nbl)
- X-Powers AC200/AC300 Fast Ethernet PHYs
- Ethernet high-speed NICs:
- Intel:
- i40e: XDP metadata support for RX hash and VLAN tag
- ice: expose the E825 TSPLL state via the DPLL subsystem
- nVidia/Mellanox:
- move the data direct infrastructure from IB to core, in
preparation for netdev support.
- reduce the memory used per offloaded TC rule
- Meta (fbnic):
- support large io_uring zero-copy RX buffers
- Microsoft vNIC (mana):
- add BQL support
- Ethernet NICs consumer, and embedded:
- Airoha:
- LRO offload support
- Cadence (macb):
- context swapping for ringparam and MTU changes, avoiding
buffer loss under memory pressure
- Mucse (rnpgbe):
- TX/RX and link status support
- NXP (enetc):
- SR-IOV improvements and VF support for ENETC v4
- Qualcomm (ppe):
- IPQ5424 support
- Realtek PCI (r8169):
- phylink support
- RSS support for RTL8127
- Renesas (ravb):
- gPTP support for R-Car Gen4
- Synopsys (stmmac):
- XDP multi-buffer support on the TX side
- tc mqprio hw queue priority offload
- support for RK3568 SGMII, Allwinner H616 EMAC1, UltraRISC
DP1000 and Qualcomm sa8255p
- Ethernet switches:
- Mediatek (mt7530):
- fast age and change conduit support
- Microchip (ksz):
- support for KSZ8995XA/KS8995XA
- Microchip (lan966x):
- PCIe FDMA support, ~20x throughput increase in PCIe endpoint
- Microchip (sparx5):
- Time Aware Shaper (taprio) offload
- Motorcomm (yt921x):
- LED and SerDes PCS support
- Realtek (rtl8365mb):
- EEE support
- Ethernet PHYs:
- Broadcom:
- enable jumbo frames on BCM54xx
- Realtek:
- support for RTL8261CE_CG and RTL8261D_VM
- MDIO support for RTL838x and RTL839x
- WiFi drivers:
- Broadcom (brcmfmac):
- FT/OKC roaming offload
- Intel (iwlwifi):
- UHR sniffer support
- support for newer UEFI/BIOS tables
- MediaTek (mt76):
- mt7925 NAN improvements
- offchannel/scan improvements and MLO fixes
- Morse Micro (mm81x):
- monitor mode support
- Qualcomm (ath12k):
- IPQ5332 platform infrastructure
- Realtek (rtw88):
- RTL8723BS support
- SDIO TX performance improvements
- Realtek (rtw89):
- P2P_DEVICE support
- BT-coex updates for RTL8922D
- Bluetooth:
- move H:4 reassembly into the Bluetooth core
- add generic support for vendor packets
- MGMT: add security level changed event
- Bluetooth drivers:
- btusb: support Bulk Serialization Mode
- Intel: support Draco and Titan Lake, allow unsigned firmware
- Mediatek: MT7928 support
- Qualcomm: QCC2072 support
- Broadcom: Synaptics 4384 support"
* tag 'net-next-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2126 commits)
Bluetooth: btusb: disable by default Qualcomm multi-subsystem
tipc: fix broadcast sender hang on last acker departure
tipc: fix use-after-free of broadcast reception link at node release
r8169: clear TX LPI on RTL8168h at link up after phylink conversion
tun: Require CAP_NET_ADMIN to attach to an ownerless device
net/sched/sch_cake: drop dead nla_nest_end() error check
net/sched/sch_cake: widen buffer_used to u64
net/sched/sch_cake: reduce parent backlog when clearing a tin
net/sched/sch_cake: serialize reconfiguration with the datapath
tg3: Add Datto SIRIS 5 1U Server to restart AER quirk table
net/mlx5e: Stop asserting for RTNL when closing channels
net: shrink the payload-only part of skb dataref to one bit
net: wwan: iosm: validate msg_head before indexing msg_ring
net: bgmac: rate limit RX error messages
selftests: net: veth: test XDP_TX to a peer with GRO enabled
veth: schedule the peer's NAPI after XDP_TX when only GRO is enabled
pppoe: delete session hash entries by pointer match
net: lan969x: don't disable hardirqs in fdma tx clear
net: sparx5/lan969x: do not clobber the PSFP cycle timer update period
net: lan969x: fix DSM calendar for empty taxis
...
|
||
|
Linus Torvalds
|
bb29b957ea |
Kbuild / Kconfig updates for 7.4
Kbuild:
- Suppress compiler flags in debug info for external module builds
- Use '-fmacro-prefix-map' in more places in the build
- Merge initial set of changes from Lorenzo's speed up series, along
with some fixes found through testing
- Avoid allocating .modinfo in vmlinux
- Speed up kallsyms by indexing symbols by token and outputting binary
data to disk directly then including in assembly via .incbin
- Don't sort $(NM) output when unnecessary
- Only emit relocations on the final vmlinx link
- Reimplement mksysmap in C
- Move many cc-option and ld-option calls into the Kconfig stage to
cache their results
- Use pigz for gzip compression when available
- Move gen_init_cpio and gen_initramfs.sh from usr/ to scripts/
- Add a TOML configuration to scripts/container and update documentation
accordingly
- Add a generic, opt-in mechanism for checking that headers can compile
standalone
- Update machine function splitting argument for LLVM 24 rename in
AutoFDO build
- Miscellaneous minor clean ups, fixes, and hardening, mostly
found/fixed via LLMs
Kconfig:
- Turn recursive ranges into an error
- Fix savedefconfig for defaults that were adjusted for being out of
range and revert a previously applied workaround
- Improvements and hardening around integer and hexadecimal values
- Emit a warning when selecting or implying a choice symbol, which has no
effect
- Emit a warning when KCONFIG_PROBABILITY is malformed
- Introduce def_string / def_int / def_hex to mirror the existing
def_bool / def_tristate to succinctly set a value and type at the same
time.
- Add cc-option-str and ld-option-str macros to act like Kbuild's
cc-option and ld-option, returning the string when the option is
supported, allowing many checks to be moved into Kconfig
- Minor usability improvements to Kconfig tests
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
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Merge tag 'kbuild-7.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild / Kconfig updates from Nathan Chancellor:
"Kbuild:
- Suppress compiler flags in debug info for external module builds
- Use '-fmacro-prefix-map' in more places in the build
- Merge initial set of changes from Lorenzo's speed up series, along
with some fixes found through testing:
- Avoid allocating .modinfo in vmlinux
- Speed up kallsyms by indexing symbols by token and outputting
binary data to disk directly then including in assembly via
.incbin
- Don't sort $(NM) output when unnecessary
- Only emit relocations on the final vmlinx link
- Reimplement mksysmap in C
- Move many cc-option and ld-option calls into the Kconfig stage to
cache their results
- Use pigz for gzip compression when available
- Move gen_init_cpio and gen_initramfs.sh from usr/ to scripts/
- Add a TOML configuration to scripts/container and update
documentation accordingly
- Add a generic, opt-in mechanism for checking that headers can
compile standalone
- Update machine function splitting argument for LLVM 24 rename in
AutoFDO build
- Miscellaneous minor clean ups, fixes, and hardening, mostly
found/fixed via LLMs
Kconfig:
- Turn recursive ranges into an error
- Fix savedefconfig for defaults that were adjusted for being out of
range and revert a previously applied workaround
- Improvements and hardening around integer and hexadecimal values
- Emit a warning when selecting or implying a choice symbol, which
has no effect
- Emit a warning when KCONFIG_PROBABILITY is malformed
- Introduce def_string / def_int / def_hex to mirror the existing
def_bool / def_tristate to succinctly set a value and type at the
same time.
- Add cc-option-str and ld-option-str macros to act like Kbuild's
cc-option and ld-option, returning the string when the option is
supported, allowing many checks to be moved into Kconfig
- Minor usability improvements to Kconfig tests"
* tag 'kbuild-7.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (59 commits)
kbuild: AutoFDO: Update split machine function argument for upstream rename
kbuild: Mark the initcall ordering recipe as recursive
kbuild: Mark the gzip recipes as recursive
localmodconfig: Explicitly report boolean configs during integrity check
scripts/make_fit: Ignore schema checks when decomposing DTBs
clang-tools: Import os for broken pipe handling
kconfig: use the value argument in sym_get_near_range_bound()
kconfig: fix infinite loop in conf_choice() when no choice value is visible
kconfig: cleanup stale comment about 'keys' array
kconfig: Improve ergonomics around disabling warnings with cc-option
scripts/Kconfig.toolchain: Drop compiler symbols from dependencies
checkkconfigsymbols.py: Parse Git status output line by line
gen_init_cpio: stop parsing on lines with a missing argument list
.gitignore: drop Module.markers
.gitignore: ignore pacman package signatures
kbuild: add header check facility as a manually run static analyzer
Documentation: dev-tools: refer to user ID rather than id
Documentation: dev-tools: update container.rst with config file
scripts: add TOML config to container tool
kconfig: tests: {old,save}defconfig: Forward dynamic keyword arguments
...
|
||
|
Sasha Levin
|
1e035297ff |
docs: remove Assisted-by references
Commit |
||
|
Jakub Kicinski
|
fe8a429318 |
docs: netdev: additional info requirements for bug fixes
Knowing how AI-generated patches were tested would be a great help when reviewing them. Explicitly ask people to describe the discovery and validation process they followed. I posted this as an RFC a while back and there were some concerns from developers that it would gum up the process. With Linus's recent complaints about the size of our PRs, we really need this information. I launched an AI bot which complains if people don't explain how bugs were discovered and tested (look for netdev-bot+sinfo@kernel.org, s=series info). We need to document this requirement. Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de> Acked-by: Daniel Machon <daniel.machon@microchip.com> Link: https://patch.msgid.link/20260930163109.3910509-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Lorenzo Stoakes (ARM)
|
48ebe1cbbe
|
kbuild: compress the kernel with pigz if available
The gzip step of a kernel build is very lengthy, especially for larger
builds such as allmodconfig.
gzip itself cannot be run in parallel, however an alternative tool exists
that can, providing the same feature set as gzip itself - pigz - which
works as a drop-in replacement.
On a 128-core Threadripper, gzip -9 of a 36 MiB x86-64 vmlinux.bin takes
1.6s, and with pigz it takes 0.09s, so the performance increase is
significant.
Therefore introduce the KPGZIP build variable which specifies the
compressor to use for the kernel image and default it to pigz if available,
or KGZIP otherwise (which itself defaults to gzip).
Modules, packaging and the embedded kernel configuration (CONFIG_IKCONFIG)
continue to use KGZIP which defaults to a single-threaded gzip instance.
Module compression is run in parallel by make, so pigz offers no benefit
there, packaging sits outside the build and the embedded configuration is
too small to matter.
pigz is executed using scripts/jobserver-exec, which reserves the job slots
make has free - necessary, as otherwise pigz would just grab unbounded
CPUs.
The kernel image compression step is always performed at the end of the
build so should typically have all job slots available.
pigz always provides byte-for-byte identical output across runs regardless
of thread count, but pigz and gzip are not guaranteed to generate the same
binary output, so reproducible builds must use the same tools consistently.
Also update Documentation/kbuild/kbuild.rst to describe KPGZIP and
Documentation/process/changes.rst to list the optional pigz dependency.
While there, add entries for the other compressor programs.
Finally, update scripts/ver_linux to include the pigz version there.
Every x86 build ends with the compression of vmlinux.bin, 36MB for
defconfig and over 200MB for allmodconfig, no-op builds are unchanged.
Whole build, 128-thread Threadripper 9980X, best of N runs:
before after delta
-------------------------------
x86 defconfig, touch mm/vma.c, gcc 7.7s 6.0s -1.7s (-22%)
x86 defconfig, touch mm/vma.c, clang 6.9s 5.4s -1.5s (-21%)
x86 defconfig, clean, gcc 28.2s 26.3s -1.8s (-6%)
x86 defconfig, clean, clang 28.7s 27.2s -1.5s (-5%)
x86 allmodconfig, touch mm/vma.c, gcc 23.7s 15.4s -8.3s (-35%)
x86 allmodconfig, touch mm/vma.c, clang 22.5s 15.6s -7.0s (-31%)
x86 allmodconfig, clean, gcc 294.1s 278.6s -15.5s (-5%)
x86 allmodconfig, clean, clang 283.9s 266.8s -17.1s (-6%)
Suggested-by: Kees Cook <kees@kernel.org>
Link: https://zlib.net/pigz/
Assisted-by: LLM
Reviewed-by: Manuel Ebner <manuelebnerli@mailbox.org>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Link: https://patch.msgid.link/20260923-build-speedup-v4-22-73128809a4a4@kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
|
||
|
Ruben Sutton
|
fdd100ee60 |
docs: process: use gender-neutral pronouns
Several process documents use gendered pronouns when referring generically to developers and maintainers. Use singular they instead, making the language inclusive without changing its meaning. Leave pronouns referring to named people and text in attributed quotations unchanged. Assisted-by: LLM Signed-off-by: Ruben Sutton <ruben@scstudios.tech> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260909144100.78177-1-ruben@scstudios.tech> |
||
|
Nguyen Duc Thinh
|
4a0be1a25d |
Documentation: process: Capitalize Git, Quilt, and Mercurial consistently
Update various process documentation files to properly capitalize "Git", "Quilt", and "Mercurial" as proper nouns when referring to the source management tools themselves. Instances explicitly referring to literal command-line invocations (such as "git log" or "git bisect") have been left lowercase. Signed-off-by: Nguyen Duc Thinh <ducthinh100812@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260824133826.13934-1-ducthinh100812@gmail.com> |
||
|
Linus Torvalds
|
eea8bdcb59 |
Coccinelle patches for Linux v7.3
Sang-Heon Jeon <ekffu200098@gmail.com> has cleaned up a number of the semantic patches in the scripts/coccinelle directory, particularly with respect to functions that no longer exist in the kernel. He and I have also done some reorganizations that improve performance. I eliminatd some false positives. 相浦彰 / AIURA，AKIRA <akira.aiura.bj@hitachi.com> fixed an out of date URL. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEnGZC8gbRfLXdcpA0F+92B3f5RZ0FAmqUJzoACgkQF+92B3f5 RZ1ZKA//XmJPmm4VapiaWb3Kd9R11JXEqUrkDMkexkwpa+844xC6XfUKsAJTsxff 18UksaPH+GQyLInWtu271uPDL+3X/yXbSU0iQA675XVQsG9Bz9MJ3R7tDcmFiJR9 Oflm7VwlG0QFVk1HVJRtY5+kfZ5ob54CZ82QltHCRIrPKQJ9JWqS8ffnNggLQu91 D079YK9gL/SqTXsWSUg+oU/TN5zILAZ0XDAdqN5THuMtq3ADurlKoPFeGHTiXdDs rFlmbu3XX40aL06qun6B4WLD/86fpvaVQ9NwqJnTEoTA4GNwENY/wYY9GJdsWa7h N7bTB7R8g441orRx0CeGyFBJkNocg4V5ImT42aGtsxfgIxDvFPxcfVg3TnCSbO8/ SYvvnzaIzdYkx41IIIHPLZHNbW96kbT8rI5s3DrkUoKvMePnCtrV/6bR1QFBHdiw I5/q4yhFjwvRh5ffiU5McqlYcM4NK1s3lHD+fk6oKf8XOgPzo6b1nBFky+P4Whw+ Sy/uBM2TrafRlvRrctz0EdhKSQede/Q7OVFcJKOvUUwnYKRqmrM5qPIQvDg6s4zZ 7NQWK7SsfWFKFUd1mljqN9Pe//fLIxfHKqyQwWtoPJwPmVaKSUTF/UDHu5HR4VVn wd4MxZj1ck3Dv/mtvAcJNxKw3+imD+284wPkpsrityMDpdYRHoc= =AgiL -----END PGP SIGNATURE----- Merge tag 'cocci-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux Pull Coccinelle updates from Julia Lawall: - Clean up a number of the semantic patches in the scripts/coccinelle directory, particularly with respect to functions that no longer exist in the kernel (Sang-Heon Jeon) He and I have also done some reorganizations that improve performance. - Eliminate some false positives (me) - Fix an out of date URL (相浦彰) * tag 'cocci-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux: coccinelle: ifnulldev_put: update error message coccinelle: ifnulldev_put: update outdated helper names coccinelle: atomic_as_refcounter: drop atomic_long_dec_and_lock coccinelle: kfree_mismatch: drop vmalloc_exec coccinelle: pool_zalloc-simple: drop the pci_pool_alloc rules coccinelle: zalloc-simple: drop the kmem_alloc rules coccinelle: alloc_cast: drop removed allocators coccinelle: remove obsolete pci_free_consistent.cocci scripts: coccinelle: devm_free: reduce false positives coccinelle: misc: struct_size: drop unneeded parentheses coccinelle: mini_lock: improve performance when searching loops coccinelle: api: check for macro context coccinelle: update Coccinelle website URL coccinelle: misc: minmax: avoid unhelpful isomorphisms coccinelle: misc: minmax: check for the presence of if cases coccinelle: misc: minmax: drop unneeded parentheses coccinelle: misc: minmax: improve performance when no candidate exists coccinelle: double_lock: improve performance when no double lock exists |
||
|
Linus Torvalds
|
2bdcd6cf2a |
A handful of late-arriving fixes, a Japanese translation that was ready
long ago but fell through the cracks, and an update to the Italian translations. -----BEGIN PGP SIGNATURE----- iQFCBAABCgAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmqPEkcPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5YnG4H9RbUq6++y8s7b+Hadki0d1O3xn6exEEpI3nt 0x4w3KHGT6fuTe5jLMOlP1QKlV9sN/5XrEDmtuaZObvF0yKyREX05QhsiMTfn9cj E749WfSUQ4zCeI8JZ7LtNT7AQA0zJxQkirUHdkmMNoMPGWcuPZYJGuhQFL+9c83N w8ZWGCi5CZ/kGlO36fXy/apSEngfG4gTiAtBVwG7fB+y9cYhHndy6Rr7Vt70hQQZ 6UwOC5kERlCwh3dIq0RwFhMJzGs6adDUi3lfzw4owqbXxdOA5VRrrVaVFNrAnWTD 0fZwSSkxBVztmlU4nm1uZut6VeUIwugbWT08JiEa8mHq8vgPfg== =rrXi -----END PGP SIGNATURE----- Merge tag 'docs-7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux Pull more documentation updates from Jonathan Corbet: "A handful of late-arriving fixes, a Japanese translation that was ready long ago but fell through the cracks, and an update to the Italian translations" * tag 'docs-7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: docs: panic: Disclaimer about console verbosity when using panic_print with pstore docs: kernel-parameters: add CPU_FREQ, CPU_IDLE build options doc:it_IT: align Italian documentation in process docs: threat-model: fix /dev/kmsg reference docs: block: fix dead http link in blk-mq.rst docs/ja_JP: translate submitting-patches.rst (tag usage) |
||
|
Johan Hovold
|
60763c2f83 |
docs: threat-model: fix /dev/kmsg reference
Fix a '/dev/kmsg' reference which got replaced with '/proc/kmsg' (which
is not accessible to regular users).
Fixes:
|
||
|
相浦彰 / AIURA，AKIRA
|
5adb3698bb |
coccinelle: update Coccinelle website URL
The old Coccinelle project URL is no longer available. Replace it with the current Coccinelle homepage already referenced by Documentation/dev-tools/coccinelle.rst. Signed-off-by: Akira Aiura <akira.aiura.bj@hitachi.com> Signed-off-by: Julia Lawall <julia.lawall@inria.fr> |
||
|
Linus Torvalds
|
72fdff1416 |
It has been a not-too-busy cycle for docs; here's the highlights:
- A (hopefully) consensus change to our LLM-attribution requirements,
removing the specific model name from the Assisted-by tag.
- A couple of new realtime documents
- Various docs-build-system fixes
- Ongoing work with the Chinese, Portuguese, and Japanese translations.
...and lots of typo fixes, grammar tweaks, etc.
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Merge tag 'docs-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation updates from Jonathan Corbet:
"It has been a not-too-busy cycle for docs; here's the highlights:
- A (hopefully) consensus change to our LLM-attribution requirements,
removing the specific model name from the Assisted-by tag
- A couple of new realtime documents
- Various docs-build-system fixes
- Ongoing work with the Chinese, Portuguese, and Japanese
translations
...and lots of typo fixes, grammar tweaks, etc"
* tag 'docs-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (85 commits)
Doc: admin-guide: pm: Remove unnecessary backticks and fix a spell
Documentation: Extend the real-time hardware bits with some firmware bits
docs: pt_BR: Reorganize process/index.rst to follow english structure
docs: conf.py: fix the 'utf-8' typo
doc tools: fix 'path' typos
Documentation: real-time: Add kernel configuration guide
docs: python: abi_regex: convert adjacent index placeholders
docs: python: abi_regex: catch the right exception for a bad regex
docs: sphinx-build-wrapper: include localversion in kernel version string
Documentation: html: adjust sidebar section titles styling
Documentation: html: show sections in the sidebar
checkpatch.pl: adapt to new Assisted-by: format
MAINTAINERS: update Traditional Chinese documentation maintainers
docs: pt_BR: process: Translate CVE documentation
docs: pt_BR: translate the management-style.rst to Brazilian Portuguese
docs: xforms_lists: support DEFINE_IDTENTRY_IRQ()
coding-assistants: simplify attribution
docs: translations: pt_BR: translate email-clients.rst
docs: pt_BR: process: Translate the security-bugs.rst
doc:it_IT: align doc-guide translation
...
|
||
|
Linus Torvalds
|
91ec203513 |
Networking changes for 7.3.
Core & protocols
----------------
- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers
(e.g. veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET
- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve).
- Support buffers larger than PAGE_SIZE in devmem zero-copy API.
- Improve MPTCP handling of extreme memory pressure handling,
when out-of-order queue had to be pruned.
- Report the per-group user count via RTM_GETMULTICAST.
- Expose the route deletion reason in RTM_DELROUTE.
- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more useful
handling of LSM denials when receiving SCM_RIGHTS messages: instead
of truncating the message at the first blocked fd, keep every fd slot
and store the LSM errno in the blocked slot.
- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table.
- Support PRP RedBox (interlink) creation.
- Support per-nexthop UDP dst port in VXLAN.
- Continue converting getsockopt callbacks in a number of protocols
to iov_iter.
Ethernet
--------
- Marge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree).
- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers.
- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces of
the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers
- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation
- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S
- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D
Wireless
--------
- nl80211: per-link statistics support for multi-link operation
- mac80211: AQL/airtime-fairness support for multicast
- Merge Peripheral Authentication Service (PAS) / TEE support
for ath12k (shared branch with the firmware/qcom tree).
- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)
- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support
Bluetooth
---------
- HCI: add support for Shorter Connection Interval (SCI) feature.
- af_bluetooth: add minimal context analysis annotations.
- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq
Misc
----
- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x).
- MCTP support for MCTP over USB v1.1 (DMTF DSP0283).
- Power-over-Ethernet: support Realtek PSE controllers.
- Remove the IBM EHEA driver.
- Remove tulip/xircom_cb driver.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"One of the 'small improvements all over the place' releases for us.
It's hard to draw any direct comparisons because summer vacations
disrupted our patch processing (and presumably - generation) quite a
bit.
Quick and dirty count suggests we (Paolo and I) merged a very similar
number of net (632) and net-next (648) patches. This is not telling
the full story either because 1/3 to 1/2 of the net-next patches also
*seem* like AI-driven low priority fixes, cleanups and clarifications.
We are completely overwhelmed, of course. The glimmer of hope is that
we secured sufficient LLM budget and access (thank you Meta!) to run
reviews with multiple frontier models on each patch. This eliminates
some hallucinations. That said, in terms of review, the LLMs can only
do so much.
The sad truth is that our APIs (especially for rare events like PCIe
errors, timeouts etc) have always been racy, and now LLMs don't let us
ignore that. I expect our direction for the next release will be to
tweak the reviews a little bit more, but start shifting focus to
letting the LLMs take care of the busy work - managing patchwork,
automating common process complaints, editing commit messages, and
maybe applying patches which already got "reviewed-by" tags from
people we trust...
Core & protocols:
- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers (e.g.
veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET
- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve)
- Support buffers larger than PAGE_SIZE in devmem zero-copy API
- Improve MPTCP handling of extreme memory pressure handling, when
out-of-order queue had to be pruned
- Report the per-group user count via RTM_GETMULTICAST
- Expose the route deletion reason in RTM_DELROUTE
- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more
useful handling of LSM denials when receiving SCM_RIGHTS messages:
instead of truncating the message at the first blocked fd, keep
every fd slot and store the LSM errno in the blocked slot
- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table
- Support PRP RedBox (interlink) creation
- Support per-nexthop UDP dst port in VXLAN
- Continue converting getsockopt callbacks in a number of protocols
to iov_iter
Ethernet:
- Merge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree)
- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers
- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces
of the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers
- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation
- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S
- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D
Wireless:
- nl80211: per-link statistics support for multi-link operation
- mac80211: AQL/airtime-fairness support for multicast
- Merge Peripheral Authentication Service (PAS) / TEE support for
ath12k (shared branch with the firmware/qcom tree)
- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)
- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support
Bluetooth:
- HCI: add support for Shorter Connection Interval (SCI) feature
- af_bluetooth: add minimal context analysis annotations
- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq
Misc:
- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x)
- MCTP support for MCTP over USB v1.1 (DMTF DSP0283)
- Power-over-Ethernet: support Realtek PSE controllers
- Remove the IBM EHEA driver
- Remove tulip/xircom_cb driver"
* tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1433 commits)
net/mlx5e: do not HW-GRO coalesce small frames
net: openvswitch: fix nf_connlabels leak in ovs_ct_init
net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()
net: openvswitch: fix flow mask use-after-free on flow deletion
sctp: stop processing a packet once its association is deleted
dpll: zl3073x: add PTP clock support
dpll: zl3073x: add channel ToD, phase step and TIE operations
dpll: zl3073x: scale poll interval proportionally to timeout
ptp: vmclock: prevent read-only mappings from becoming writable
ipv4: reject undersized MTUs in ip_do_fragment()
bonding: initialize err for empty target lists
net: dsa: initial support for MT7628 embedded switch
net: dsa: initial MT7628 tagging driver
net: phy: mediatek: add phy driver for MT7628 built-in Fast Ethernet PHYs
dt-bindings: net: dsa: add MT7628 ESW
net: pse-pd: realtek-pse-mcu: add UART transport
net: pse-pd: realtek-pse-mcu: add I2C transport
net: pse-pd: add Realtek PSE MCU core
dt-bindings: net: pse-pd: add bindings for Realtek PSE MCU
vsock: use sock_error() to consume sk_err after a failed connect
...
|
||
|
Linus Torvalds
|
5a8cd539ac |
Major changes:
- Redesign the verifier error reporting: failures now carry source and
instruction annotations along with the causal event history that led
to them, making program rejections far easier to debug and repair
(Kumar Kartikeya Dwivedi)
- Add arena argument support to kfuncs and struct_ops through the new
__arena and __arena__nullable suffixes (Tejun Heo, Puranjay Mohan,
Kumar Kartikeya Dwivedi, Ihor Solodrai)
- Signed BPF program loader rework to accommodate both BPF and security
community needs where the kernel runs the signature verification at
BPF_PROG_LOAD time before the LSM admission hook (Daniel Borkmann)
- Add a set of ksock kfuncs which let BPF LSM and syscall programs
create, connect and send on UDP sockets in order to emit telemetry
data (Mahe Tardy)
- Unify helper and kfunc call argument verification and classify kfunc
arguments purely from BTF into a generated bpf_func_proto which is
computed once at add-call time (Amery Hung)
Other features and fixes:
- Enable EXECMEM_ROX_CACHE for BPF allocations on x86 (Mike Rapoport)
- Add bidirectional VLAN support to bpf_fib_lookup() through the new
BPF_FIB_LOOKUP_VLAN and BPF_FIB_LOOKUP_VLAN_INPUT flags
(Avinash Duduskar)
- Infer zext_dst from static register liveness analysis to fix 32-bit
zero-extension semantics, and remove the artificial limitations on
pointer types eligible for spilling (Eduard Zingerman)
- Inline the numeric open-coded iterator kfuncs so that bpf_for() loops
no longer pay a kfunc call on every iteration (Puranjay Mohan)
- Add an arena-based bitmap data structure to libarena along with
serial and parallel selftests (Emil Tsalapatis)
- Teach resolve_btfids to discover kfuncs from the kernel's BTF ID sets
and to emit kfunc BTF decl tags, reducing the kernel build's
dependency on pahole features (Ihor Solodrai)
- Add BPF_F_ADJ_ROOM_DECAP_* flags to bpf_skb_adjust_room() so that
tunnel decapsulation can update the GSO and encapsulation state of
the skb (Nick Hudson)
- Fix the ring buffer pending_pos walk and the available-data
accounting on 32-bit position wrap (Israel Téllez García)
- Add memory usage accounting for arena maps and fix an mmap_lock
deadlock on arena lock failure (Jiayuan Chen)
- Add tracing_multi link info support to the kernel UAPI and bpftool,
and refactor the stack map code to run with preemption disabled
(Jiri Olsa)
- Support BPF_F_EGRESS in bpf_redirect_peer() to emit the skb in the
egress direction of the target's peer device (Jordan Rife)
- Add a KF_SPINLOCK_SAFE kfunc flag so that providers, in particular
modules, can declare kfuncs safe to call under bpf_spin_lock instead
of relying on the verifier's hard-coded allowlist (Kaitao Cheng)
- Introduce global percpu data for BPF programs with libbpf probing
and bpftool skeleton support, and stop exposing uninitialized kernel
heap memory when copying per-CPU map values (Leon Hwang)
- Add s390 JIT support for load-acquire and store-release instructions
(Maxim Khmelevskii)
- Fix a CFI mismatch in the task work callback and an arm64 KASAN
false positive after bpf_throw() (Mykyta Yatsenko)
- Reject writes through untrusted BTF pointers and bound the
rdonly/rdwr_buf_size kfunc arguments (Nicholas Dudar)
- Invalidate RCU pointers only after the final spin unlock and account
for preempt and IRQ disabled regions as overlapping RCU protection
(Ning Ding)
- Support mixing bpf2bpf calls and tail calls on RV64, add signed
operations and 32-bit atomics to the RV32 JIT, and add timed may_goto
support (Pu Lehui, Kuan-Wei Chiu, Feng Jiang)
- Fix a use-after-free on mm_struct in bpf_find_vma() for foreign tasks
and an mmap_lock leak in the irq_work path (Sanghyun Park)
- Populate mmap-able BPF array map memory lazily which makes mmap() O(1)
instead of proportional to the map size (Song Liu)
- Introduce a jit_required flag and reject programs with inlined
helpers when no JIT is available, where the interpreter would
otherwise jump into an invalid address (Tiezhu Yang)
- Fix the x86 JIT per-CPU address resolution into an extended register
where the REX prefix dropped the high destination register bit
(Vineet Gupta)
- Reject MEM_ALLOC BTF accesses past object bounds, arena frees below
the arena base, and mixed arena and ordinary atomic paths
(Yiyang Chen)
- Fix the trampoline handling of 128-bit arguments and of return values
larger than 8 bytes (Yonghong Song)
- Ensure that any fault prone load is rewritten with exception table
handling, and fix the arena load-acquire and atomic fetch handling
in the x86, arm64, riscv and s390 JITs (Daniel Borkmann)
- Many more fixes and cleanups across the verifier, arena, trampolines,
sockmap, cgroup, ring buffer, x86/arm64/riscv/s390 JITs, libbpf,
bpftool, resolve_btfids and selftests.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Daniel Borkmann:
"Major changes:
- Redesign the verifier error reporting: failures now carry source
and instruction annotations along with the causal event history
that led to them, making program rejections far easier to debug and
repair (Kumar Kartikeya Dwivedi)
- Add arena argument support to kfuncs and struct_ops through the new
__arena and __arena__nullable suffixes (Tejun Heo, Puranjay Mohan,
Kumar Kartikeya Dwivedi, Ihor Solodrai)
- Signed BPF program loader rework to accommodate both BPF and
security community needs where the kernel runs the signature
verification at BPF_PROG_LOAD time before the LSM admission hook
(Daniel Borkmann)
- Add a set of ksock kfuncs which let BPF LSM and syscall programs
create, connect and send on UDP sockets in order to emit telemetry
data (Mahe Tardy)
- Unify helper and kfunc call argument verification and classify
kfunc arguments purely from BTF into a generated bpf_func_proto
which is computed once at add-call time (Amery Hung)
Other features and fixes:
- Enable EXECMEM_ROX_CACHE for BPF allocations on x86 (Mike Rapoport)
- Add bidirectional VLAN support to bpf_fib_lookup() through the new
BPF_FIB_LOOKUP_VLAN and BPF_FIB_LOOKUP_VLAN_INPUT flags (Avinash
Duduskar)
- Infer zext_dst from static register liveness analysis to fix 32-bit
zero-extension semantics, and remove the artificial limitations on
pointer types eligible for spilling (Eduard Zingerman)
- Inline the numeric open-coded iterator kfuncs so that bpf_for()
loops no longer pay a kfunc call on every iteration (Puranjay
Mohan)
- Add an arena-based bitmap data structure to libarena along with
serial and parallel selftests (Emil Tsalapatis)
- Teach resolve_btfids to discover kfuncs from the kernel's BTF ID
sets and to emit kfunc BTF decl tags, reducing the kernel build's
dependency on pahole features (Ihor Solodrai)
- Add BPF_F_ADJ_ROOM_DECAP_* flags to bpf_skb_adjust_room() so that
tunnel decapsulation can update the GSO and encapsulation state of
the skb (Nick Hudson)
- Fix the ring buffer pending_pos walk and the available-data
accounting on 32-bit position wrap (Israel Téllez García)
- Add memory usage accounting for arena maps and fix an mmap_lock
deadlock on arena lock failure (Jiayuan Chen)
- Add tracing_multi link info support to the kernel UAPI and bpftool,
and refactor the stack map code to run with preemption disabled
(Jiri Olsa)
- Support BPF_F_EGRESS in bpf_redirect_peer() to emit the skb in the
egress direction of the target's peer device (Jordan Rife)
- Add a KF_SPINLOCK_SAFE kfunc flag so that providers, in particular
modules, can declare kfuncs safe to call under bpf_spin_lock
instead of relying on the verifier's hard-coded allowlist (Kaitao
Cheng)
- Introduce global percpu data for BPF programs with libbpf probing
and bpftool skeleton support, and stop exposing uninitialized
kernel heap memory when copying per-CPU map values (Leon Hwang)
- Add s390 JIT support for load-acquire and store-release
instructions (Maxim Khmelevskii)
- Fix a CFI mismatch in the task work callback and an arm64 KASAN
false positive after bpf_throw() (Mykyta Yatsenko)
- Reject writes through untrusted BTF pointers and bound the
rdonly/rdwr_buf_size kfunc arguments (Nicholas Dudar)
- Invalidate RCU pointers only after the final spin unlock and
account for preempt and IRQ disabled regions as overlapping RCU
protection (Ning Ding)
- Support mixing bpf2bpf calls and tail calls on RV64, add signed
operations and 32-bit atomics to the RV32 JIT, and add timed
may_goto support (Pu Lehui, Kuan-Wei Chiu, Feng Jiang)
- Fix a use-after-free on mm_struct in bpf_find_vma() for foreign
tasks and an mmap_lock leak in the irq_work path (Sanghyun Park)
- Populate mmap-able BPF array map memory lazily which makes mmap()
O(1) instead of proportional to the map size (Song Liu)
- Introduce a jit_required flag and reject programs with inlined
helpers when no JIT is available, where the interpreter would
otherwise jump into an invalid address (Tiezhu Yang)
- Fix the x86 JIT per-CPU address resolution into an extended
register where the REX prefix dropped the high destination register
bit (Vineet Gupta)
- Reject MEM_ALLOC BTF accesses past object bounds, arena frees below
the arena base, and mixed arena and ordinary atomic paths (Yiyang
Chen)
- Fix the trampoline handling of 128-bit arguments and of return
values larger than 8 bytes (Yonghong Song)
- Ensure that any fault prone load is rewritten with exception table
handling, and fix the arena load-acquire and atomic fetch handling
in the x86, arm64, riscv and s390 JITs (Daniel Borkmann)
- Many more fixes and cleanups across the verifier, arena,
trampolines, sockmap, cgroup, ring buffer, x86/arm64/riscv/s390
JITs, libbpf, bpftool, resolve_btfids and selftests"
* tag 'bpf-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (373 commits)
selftests/bpf: Add tests for a store on a fault prone qdisc pointer
selftests/bpf: Add tests for fault prone loads out of RCU pointers
selftests/bpf: Add tests for pointer type merge at a shared load
selftests/bpf: Remove duplicate copies of the arena spinlock qnodes
selftests/bpf: Retry stat generation in cgroup_iter_memcg
selftests/bpf: Test pseudo-function policy diagnostics
bpf: Distinguish function references in policy diagnostics
bpf: Preserve source attribution without source text
selftests/bpf: Test kfunc argument diagnostics
bpf: Correct kfunc argument diagnostics
bpf: Use canonical stack argument names in diagnostics
bpf: Preserve R0 lineage across helper calls
selftests/bpf: Exercise negative optlen in cgroup getsockopt hook
bpf: Reject negative optlen in cgroup getsockopt hook
selftests/bpf: tc_tunnel - validate decap GSO and encapsulation state
bpf: Clear decap state on skb_adjust_room shrink path
bpf: Allow new DECAP flags and add guard rails
bpf: Add BPF_F_ADJ_ROOM_DECAP_* flags for tunnel decapsulation
bpf: Refactor masks for ADJ_ROOM flags and encap validation
bpf: Name the enum for BPF_FUNC_skb_adjust_room flags
...
|
||
|
Linus Torvalds
|
c6cf4441a3 |
Devicetree updates for v7.3:
- Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmqA0pYACgkQ+vtdtY28 YcOGLRAAsSVfV1r7n9SmPQ246dRQeVkNo3ZAEFuqqeBzJjMNyVyYn4iCcwkYDhaY rRlRpanmhbooUJfRRpxpgIv8XwWOiha8eq9mojnbGfgq00/8BEnD16A7bwNDaxsf /IUVKYQs8x7AK3nGLXvJ2BXQZzAZCnwylnsW6Pbkhns3xuc3lED4BGRRRsPH4T77 lMh2cA8JjeaY9sC/6aosTg1342nj+QpC2qJOfd2ONsWCKKD3zYAWWVFpj17J4o3d XDpLIjR1X6aOKoWOMDqmjnC/vwQ3Zzmz84zfArb4bl0O9A/ENQ1XYuNJ5tohxWd0 LfWMOD6dUIaquuoRUSvWrnafgSqumjTYzLZeK5KLDT2xqAnBO3sfizjFq9c4AHO8 TkU74DZiIGH2VCGCQtm7v5gZGbGKJ0g2TndCbQhEa/OyvaNfZpItGJWCHY3kg5xd Wn60sk1L/HnwItwGH47xxeksc1TiuhqH3zfr4ztj9fenUnuLtmkjdhu8wZGjpYFq 2Jf2KIUJov4WLN6cyP51vf5L1+OoaSfZ/6nuaO+9bAa/j+GQiZpRQI95yEOcXBd/ QbAL1tA8w9IRpN/bZ5l+Hw9ZO9Q1hpLTV92xqOPvVDXvDR7xi/7R4dvRm86m9IcT FTtNLLkz76V0DTqgHWfNtwxulYa69NrZjtD+VooVw1BWMo8ExmQ= =54fa -----END PGP SIGNATURE----- Merge tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style * tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (40 commits) dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatible dtc: dt-check-style: Simplify setting depth of DtsLine dtc: dt-check-style: Add missing /dts-v1/ to few test cases dt-bindings: power: reset: ti,keystone-reset: Convert to DT schema media: dt-bindings: ti,da850-vpif: Convert to dt-schema dt-bindings: devfreq: samsung,exynos-ppmu: Use standard regex syntax dt-bindings: interrupt-controller: mediatek,mt6577-sysirq: Drop invalid JSON pointer dt-bindings: arm: omap: Convert L4 interconnect to DT schema dt-bindings: power: Convert TI SmartReflex to DT schema of: reserved_mem: Introduce devres-managed initialization function dt-bindings: interrupt-controller: Add StarFive JHB100 plic dt-bindings: irq: sun7i-nmi: Document the Allwinner A733 NMI controller dt-bindings: Correct white-space style dt-bindings: fix typos and brackets docs: dt: submitting-patches: Mention expectation about dt-check-style docs: dt: maintainer: Add Devicetree and OF maintainer profile document docs: dt: writing-schema: Extend expectations about example part of binding dt-bindings: gpu: powervr-rogue: Add MediaTek MT8173 GPU of: base: Handle optional argument in of_parse_phandle_with_args_map() dt-bindings: update Sudeep Holla's email address ... |
||
|
Linus Torvalds
|
cbe8aadf15 |
soc: devicetree updates for 7.3
There are two new mystery SoCs with very little public information
about them so far, Qualcomm's Cortex-A78C based "Shikra" and
Altera's Cortex-A720 based Agilex72 SOCFPGA.
We have also gained support for a couple of SoCs from the
2023/2024 timeframe that have been in the making for a while:
- The Apple platform gains support for M3 Pro, Max and Ultra SoC,
following the basic M3 support from 7.2.
- Samsung Exynos 1580 is a high-end mobile phone SoC from 2024
- Canaan K230 is a RISC-V based 64-bit AI SoC, based on the
earlier K210 chip
- Sophgo SG2000 is a mixed Arm/RISC-V chip that was already
supported using the Arm core but is now also added for RISC-V
along with several other variants of the cv18xx series
In terms of newly added machines we have reference platforms
for all the chips above, plus
- only four 32-bit Arm boards: two older phones and two
older industrial/embedded boards; using Allwinner, Qualcomm and
Rockchip SoCs
- Three laptops und three phones using Qualcomm SoCs
- Ten 64-bit Rockchips based single-board computers, along with one
NAS box and a game console.
- Seven industrial/embedded boards and modules using NXP i.MX8/9 SoCs.
- A Lenovo desktop box based on NVIDIA Jetson Xavier NX
- A few more single-board computers based on Allwinnner A133,
Spacemit K1 and TI AM62.
As usual, there is a constant stream of minor cleanups and fixes
towards addressing the 'dt-check-style --mode strict' warnings,
and everyone is expected to address those warnings for new
submissions now.
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Merge tag 'soc-dt-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC devicetree updates from Arnd Bergmann:
"There are two new mystery SoCs with very little public information
about them so far, Qualcomm's Cortex-A78C based "Shikra" and Altera's
Cortex-A720 based Agilex72 SOCFPGA.
We have also gained support for a couple of SoCs from the 2023/2024
timeframe that have been in the making for a while:
- The Apple platform gains support for M3 Pro, Max and Ultra SoC,
following the basic M3 support from 7.2.
- Samsung Exynos 1580 is a high-end mobile phone SoC from 2024
- Canaan K230 is a RISC-V based 64-bit AI SoC, based on the earlier
K210 chip
- Sophgo SG2000 is a mixed Arm/RISC-V chip that was already supported
using the Arm core but is now also added for RISC-V along with
several other variants of the cv18xx series
In terms of newly added machines we have reference platforms for all
the chips above, plus
- Only four 32-bit Arm boards: two older phones and two older
industrial/embedded boards; using Allwinner, Qualcomm and Rockchip
SoCs
- Three laptops und three phones using Qualcomm SoCs
- Ten 64-bit Rockchips based single-board computers, along with one
NAS box and a game console.
- Seven industrial/embedded boards and modules using NXP i.MX8/9
SoCs.
- A Lenovo desktop box based on NVIDIA Jetson Xavier NX
- A few more single-board computers based on Allwinnner A133,
Spacemit K1 and TI AM62.
As usual, there is a constant stream of minor cleanups and fixes
towards addressing the 'dt-check-style --mode strict' warnings, and
everyone is expected to address those warnings for new submissions
now"
* tag 'soc-dt-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (864 commits)
Revert "riscv: dts: spacemit: k3: add i2s0-i2s5 nodes"
Documentation/process: maintainer-soc: Mention expectation about dt-check-style
ARM: dts: helios4: add SATA regulator supplies
ARM: dts: helios4: add vcc-supply to GPIO expander
ARM: dts: helios4: add vcc-supply to EEPROM
arm64: dts: turris-mox: fix usb3 phys
arm64: dts: ti: Correct white-space style
arm64: dts: ti: k3-am64: Fix MDIO clock reference for ICSSG0 node
arm64: dts: qcom: talos-evk: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sa8155p-adp: Fix swapped USB and UFS QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: eliza-mtp: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: lemans: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: glymur: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: kaanapali: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sar2130p: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8750: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8650: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: purwa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: hamoa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sc8180x: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
...
|
||
|
Jakub Kicinski
|
3da8c3c8b8 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-7.2-rc8). No conflicts. Adjacent changes: drivers/net/ethernet/wangxun/ngbe/ngbe_main.c |
||
|
Krzysztof Kozlowski
|
9e758d3be0
|
Documentation/process: maintainer-soc: Mention expectation about dt-check-style
Any new DTS code should pass dt-check-style 'relaxed' mode without warnings and should have addressed most of applicable 'strict' mode ones. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Reviewed-by: Linus Walleij <linusw@kernel.org> Link: https://lore.kernel.org/r/20260803091740.232536-2-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Krzysztof Kozlowski
|
456920b3a8 |
docs: dt: maintainer: Add Devicetree and OF maintainer profile document
Document how Devicetree and Open Firmware maintainers handle their subsystem, especially focusing on two caveats: Devicetree subsystem handles patches with a minor difference comparing to other subsystems: while DT maintainers pick up OF code, they only provide review of DT bindings without applying these. All three DT bindings maintainers rely currently on Patchwork and due to enormous amount of emails per day, regardless how much DT maintainers try, they cannot read all the emails. Cc: Rob Herring <robh@kernel.org> Cc: Conor Dooley <conor+dt@kernel.org> Cc: Saravana Kannan <saravanak@kernel.org> Cc: devicetree@vger.kernel.org Reviewed-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Link: https://patch.msgid.link/20260721060916.12465-2-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Ihor Solodrai
|
fd5425b673 |
docs, resolve_btfids: Document kfunc BTF annotation emission
resolve_btfids now emits the bpf_kfunc and bpf_fastcall BTF decl tags and the arena address_space(1) type attribute for kfuncs, which were previously produced by pahole. Reflect this in the in-tree comments and documentation. Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev> Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com> Link: https://patch.msgid.link/20260807032029.78092-7-ihor.solodrai@linux.dev Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> |
||
|
Willy Tarreau
|
6ffecfe080 |
docs: security-bugs: clarify some mandatory steps for AI reports
The security team is still seeing a lot of reports lacking a full patch and showing missing contents and formatting issues. Since AI assistants tend to be better than humans at following instructions, let's defer to coding-assistants.rst to follow mandatory steps, and insist on the plain text format, as well as asking for recipient addresses and an e-mail client setup hint to be mentioned early in the report for the reporter. Also add a link to https://github.com/masoncl/kres.git which contains way more advanced and detailed steps for those willing to go further. Tested with Opus-5 and Qwen3.6-27B-Architect-Polaris2-Fable-B-F451, both of which proceeded according to instructions. Cc: Greg KH <greg@kroah.com> Cc: Chris Mason <clm@meta.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260802203540.3453-6-w@1wt.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Willy Tarreau
|
3d7c44f737 |
docs: coding-assistant: explain important steps when looking for bugs
Due to the increasing capabilities of available AI models, it's becoming common to see them used to find bugs anywhere. Unfortunately the quality of reports (especially when they're believed to be security relevant) is still lacking a lot. Let's add a section dedicated to bug finding, explaining the few mandatory steps (noting commit ID, writing the fix from the session that found the bug, building and testing, etc). This was tested both against Qwen3.6-27B-Architect-Polaris2-Fable-B-F451 running under Hermes, and Opus-5, and both followed the instructions to the letter, verifying their results and checking threat-model.rst to decline the vulnerability aspect. At least in the current form it's expected to improve the situation a little bit. Cc: Greg KH <greg@kroah.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260802203540.3453-5-w@1wt.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Willy Tarreau
|
e447f7f33f |
docs: security-bugs: clarify what counts as a valid version
Too often we're getting reports saying "still valid in latest mainline" with no indication of when this was verified, making this indication pointless. Let's clarify it and insist on having a version or commit ID, and that the version must necessarily be for a kernel.org kernel and not a distro one. Cc: Greg KH <greg@kroah.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260802203540.3453-4-w@1wt.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Willy Tarreau
|
11f46e30e6 |
docs: threat-model: move fake devices out of "non production use"
When originally writing the "fake USB device" entry, it was difficult to find a suitable section for it and it ended up in "non production use" but that doesn't fit particularly well. Actually it's very similar to crafted filesystems, it's a matter of spec violation. Both drivers and FS are written against a spec, and what the threat model doesn't cover is out-of-spec use. So let's move the entry there and rename the crafted FS entry to "Non-conforming devices and media" instead. Overall it looks more consistent. The spec was tested agains Qwen3.6-27B-Architect-Polaris2-Fable-B-F451, Opus-5 and Gemini by reading the threat-model file, then reading a tens of FS and driver fixes, and they were now all properly classified as regular bugs, except two that Gemini and Opus rightfully classified as vulns (Qwen didn't spot the security potential but that's out of our scope). Cc: Greg KH <greg@kroah.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260802203540.3453-3-w@1wt.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Willy Tarreau
|
bea79063a3 |
docs: threat-model: clarify "security bug" vs "vulnerability"
Throwing an LLM (Opus 5) at a file looking for random bugs after having read the threat model made it ignore certain bugs it found because "the threat model said they must be ignored". When asked why, the LLM rightfully reported the ambiguous wording used at a few places: "is not a security bug", which can also be read as "is not a bug", despite the rest of the document. That is particularly true when the LLM decides to look for info using grep. This change replaces "security bug" with "vulnerability" at a few places in order to remove this identified ambiguity, and uses "bugs" instead of issues in two such sentences to insist that what is described remains a bug. Cc: Greg KH <greg@kroah.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260802203540.3453-2-w@1wt.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Christian Brauner
|
816d9992d9 |
coding-assistants: simplify attribution
The requirement to identify specific models used in the Assisted-by tag provides free advertising to proprietary software companies while adding little or no useful information. Change the requirement to simply: Assisted-by: LLM to capture the fact that an LLM was used without tracking which one. Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org> Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org> Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Jori Koolstra <jkoolstra@xs4all.nl> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: David Hildenbrand (arm) <david@kernel.org> Message-ID: <20260701-work-coding-assistants-v1-1-a20a94d1d606@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Paolo Abeni
|
c82ff94592 |
docs: netdev: clarify expected interactions with LLMs
The official documentation has not captured yet the current impact of AI-generated reviews on the patch process. Explicitly state the status quo and expectations. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/83360de7addb13a3b5f4d5e722148f248fdb2ae0.1784884817.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Paolo Abeni
|
7d394ab234 |
docs: netdev: clarify handling of idle patches
Off-list pings are very bad, but unfortunately too common. Explicitly state that, so that at least LLMs could learn it. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/38b75373f813354ad0ee8bfde12ae5a42e9a11b6.1784884817.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Lorenzo Stoakes
|
d699a5da10 |
docs: link AI coding assistants and tool-generated content pages
Both of these guidelines are complimentary to one another - one specifying guidelines on AI coding assistants, and the other specifying those for tool-generated content. Since they are complimentary to one another, provide a link to each in the other. Signed-off-by: Lorenzo Stoakes <ljs@kernel.org> Acked-by: Vlastimil Babka (SUSE) <vbabka@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: SJ Park <sj@kernel.org> Reviewed-by: David Hildenbrand (Arm) <david@kernel.org> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260702164901.121128-1-ljs@kernel.org> |
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Akira Yokosawa
|
83f71fbc66 |
docs: submitting-patches: Fix section structure around DCO
Commit |
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Nick Desaulniers
|
cead34ac1c |
MAINTAINERS: update ndesaulniers
I'm coming back. I will return. I will possess your body, and I'll make LKML burn. Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Acked-by: Nathan Chancellor <nathan@kernel.org> Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
da07894d1d |
A handful of late-arriving docs fixes, along with one document update
that fell through the cracks before. -----BEGIN PGP SIGNATURE----- iQFDBAABCgAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmo9JLAPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5Y78sH/jWxQF61bEtdwa4RbO8xw/4j2HK2GPguynK+ ctdYQE0V6lLwcsPyvu5IPoHXXJ+z3RAyNkRu/n6/LTIFGQ0Z4lXOyu3fjVYhC2Tw QXVWp0G1Wb5gHVdW9g2KwXWv2U/9Z2HIftr3RlXbr+Zt8aIn+A4kqsjuQI5y7Dlu 4aTRI0xjeRhSZHUT1dwlaqV9vH3MB/lgwmnbHCKF2uxuRK3K/1HfNppnPdBkmKyA bru70pdw7PR+m87H+9sCr99T4YfrLFGRdOdM/pO+BsmmuSeC8SIWKaAHKWQJAn1A WGZdnuiZON8jV9RpwRK7BSeW/k7QxjO9TYxM96xBLQQuAo2REec= =jpJf -----END PGP SIGNATURE----- Merge tag 'docs-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux Pull more documentation updates from Jonathan Corbet: "A handful of late-arriving docs fixes, along with one document update that fell through the cracks before" * tag 'docs-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: docs: tools: Fix typo 'ackward' to 'awkward' in unittest.rst kdoc: xforms: ignore special static/inline macros kdoc: xforms_lists: handle DECLARE_PER_CPU() in kernel-doc MAINTAINERS: Fix regex for kdoc docs: kgdb: Fix path of driver options Documentation: tracing: fix typo in events documentation Docs/driver-api/uio-howto: document mmap_prepare callback docs/mm: clarify that we are not looking for LLM generated content kernel-doc: xforms: support __SYSFS_FUNCTION_ALTERNATIVE() |
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Zenghui Yu
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dd07489fea |
docs: kgdb: Fix path of driver options
The correct path of driver options should be /sys/module/<driver>/parameters/<option>. Fix it. Signed-off-by: Zenghui Yu <zenghui.yu@linux.dev> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260620234035.9917-1-zenghui.yu@linux.dev> |
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Kees Cook
|
079a028d63 |
string: Remove strncpy() from the kernel
strncpy() has been a persistent source of bugs due to its ambiguous intended usage and frequently counter-intuitive semantics: it may not NUL-terminate the destination, and it unconditionally zero-pads to the full length, which isn't always needed. All former callers have been migrated[1] to: - strscpy() for NUL-terminated destinations - strscpy_pad() for NUL-terminated destinations needing zero-padding - strtomem_pad() for non-NUL-terminated fixed-width fields - memcpy_and_pad() for bounded copies with explicit padding - memcpy() for known-length copies Remove the generic implementation, its declaration, the FORTIFY_SOURCE wrapper, and associated tests. Link: https://github.com/KSPP/linux/issues/90 [1] Signed-off-by: Kees Cook <kees@kernel.org> |
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Linus Torvalds
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a87bbc4578 |
Things have calmed down a bit on the docs front, with no earthshaking
changes this time around:
- Ongoing work on the Japanese and Portuguese translations.
- Better integration of the MAINTAINERS file into the rendered documents,
including a search interface.
- A seemingly infinite supply of fixes for typos, minor grammatical issues,
and related problems that LLMs find with abandon.
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Merge tag 'docs-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation updates from Jonathan Corbet:
"Things have calmed down a bit on the docs front, with no earthshaking
changes this time around:
- Ongoing work on the Japanese and Portuguese translations
- Better integration of the MAINTAINERS file into the rendered
documents, including a search interface
- A seemingly infinite supply of fixes for typos, minor grammatical
issues, and related problems that LLMs find with abandon"
* tag 'docs-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (93 commits)
docs: pt_BR: Translate 3.Early-stage.rst into Portuguese
docs: pt_BR: update "Purpose of Defconfigs" section in maintainer-soc.rst
Documentation: bug-hunting.rst: fix grammar
docs/ja_JP: translate submitting-patches.rst (interleaved-replies)
docs: Fix minor grammatical error
docs/{it_it,sp_SP,zh_CN,zh_TW}: update references to removed CONFIG_DEBUG_SLAB
Documentation: process: fix brackets
Documentation: arch: fix brackets
docs/dyndbg: explain flags parse 1st
docs/dyndbg: update examples \012 to \n
docs: kernel-parameters: Fix stale sticore file paths
docs: real-time: Fix duplicated sched(7) text
docs: kgdb: Fix stale source file paths
docs: sonypi: Fix stale header file path
docs: kernel-parameters: Remove sa1100ir IrDA parameter
iommu: Documentation: rearrange, update kernel-parameters
docs: md: fix grammar in speed_limit description
docs: changes.rst: restore pahole 1.26 minimum (regressed by sort)
Documentation: Fix syntax of kmalloc_objs example in coding style doc
docs: pt_BR: update maintainer-handbooks
...
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Linus Torvalds
|
73f399414a |
Kbuild / Kconfig changes for 7.2
Kbuild:
- Remove broken module linking exclusion for BTF
- Add documentation around how offset header files work
- Include unstripped vDSO libraries in pacman packages
- Bump minimum version of LLVM for building the kernel to 17.0.1 and
clean up unnecessary workarounds
- Use a context manager in run-clang-tools
- Add dist macro value if present to release tag for RPM packages
- Detect and report truncated buf_printf() output in modpost
- Add __llvm_covfun and __llvm_covmap to section whitelist in modpost
- Support Clang's distributed ThinLTO mode
- Remove architecture specific configurations for AutoFDO and Propeller
to ease individual architecture maintenance
Kconfig:
- Add kconfig-sym-check target to look for dangling Kconfig symbol
references and invalid tristate literal values
- Harden against potential NULL pointer dereference
- Fix typo in Kconfig test comment
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
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Merge tag 'kbuild-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild / Kconfig updates from Nathan Chancellor:
"Kbuild:
- Remove broken module linking exclusion for BTF
- Add documentation around how offset header files work
- Include unstripped vDSO libraries in pacman packages
- Bump minimum version of LLVM for building the kernel to 17.0.1 and
clean up unnecessary workarounds
- Use a context manager in run-clang-tools
- Add dist macro value if present to release tag for RPM packages
- Detect and report truncated buf_printf() output in modpost
- Add __llvm_covfun and __llvm_covmap to section whitelist in modpost
- Support Clang's distributed ThinLTO mode
- Remove architecture specific configurations for AutoFDO and
Propeller to ease individual architecture maintenance
Kconfig:
- Add kconfig-sym-check target to look for dangling Kconfig symbol
references and invalid tristate literal values
- Harden against potential NULL pointer dereference
- Fix typo in Kconfig test comment"
* tag 'kbuild-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (31 commits)
kconfig: tests: fix typo in comment
kconfig: Remove the architecture specific config for Propeller
kconfig: Remove the architecture specific config for AutoFDO
modpost: Add __llvm_covfun and __llvm_covmap to section_white_list
kconfig: add kconfig-sym-check static checker
kbuild: Remove unnecessary 'T' modifier in cmd_ar_builtin_fixup
kbuild: distributed build support for Clang ThinLTO
kbuild: move vmlinux.a build rule to scripts/Makefile.vmlinux_a
scripts: modpost: detect and report truncated buf_printf() output
kbuild: rpm-pkg: append %{?dist} macro to Release tag
run-clang-tools: run multiprocessing.Pool as context manager
compiler-clang.h: Drop explicit version number from "all" diagnostic macro
compiler-clang.h: Remove __cleanup -Wunused-variable workaround
kbuild: Remove check for broken scoping with clang < 17 in CC_HAS_ASM_GOTO_OUTPUT
x86/entry/vdso32: Remove conditional omission of '.cfi_offset eflags'
x86/module: Revert "Deal with GOT based stack cookie load on Clang < 17"
x86/build: Drop unnecessary '-ffreestanding' addition to KBUILD_CFLAGS
scripts/Makefile.warn: Drop -Wformat handling for clang < 16
riscv: Drop tautological condition from TOOLCHAIN_NEEDS_OLD_ISA_SPEC
riscv: Remove tautological condition from selection of ARCH_SUPPORTS_CFI
...
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Manuel Ebner
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120a64c802 |
Documentation: process: fix brackets
Fix missing ')' and needless ')' Signed-off-by: Manuel Ebner <manuelebner@mailbox.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260611064311.117023-2-manuelebner@mailbox.org> |
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Costa Shulyupin
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ef4c0f7aee |
docs: kgdb: Fix stale source file paths
Update two file paths that became stale when kgdb/kdb sources were reorganized: - kernel/debugger/debug_core.c -> kernel/debug/debug_core.c - drivers/char/kdb_keyboard.c -> kernel/debug/kdb/kdb_keyboard.c Assisted-by: Claude:claude-opus-4-6 Signed-off-by: Costa Shulyupin <costa.shul@redhat.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260531140207.4114764-1-costa.shul@redhat.com> |
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Zhan Xusheng
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2c1ccd9a1d |
docs: changes.rst: restore pahole 1.26 minimum (regressed by sort)
Commit |
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Uwe Kleine-König
|
323fa4b960 |
Documentation: Fix syntax of kmalloc_objs example in coding style doc
The first parameter should match the variable that the allocated memory
is assigned to. Fix the example accordingly, the one for kmalloc_obj got
it right already.
Fixes:
|
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Nathan Chancellor
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ce3267a39a
|
kbuild: Bump minimum version of LLVM for building the kernel to 17.0.1
The current minimum version of LLVM for building the kernel is 15.0.0. However, there are two deficiencies compared to GCC that were fixed in LLVM 17 that are starting to become more noticeable. The first was a bug in LLVM's scope checker [1], where all labels in a function were validated as potential targets of an asm goto statement, even if they were not listed in the asm goto statement as targets. This becomes particularly problematic when the cleanup attribute is used, as asm goto(... : label_a); ... label_a: ... int var __free(foo); asm goto(... : label_b); ... label_b: ... will trigger an error since the scope checker will complain that the cleanup variable would be skipped when jumping from the first asm goto to label_b (which obviously cannot happen). This issue was the catalyst for commit |
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Baruch Siach
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89f332c1ef |
docs: threat-model: add missing closing parenthesis
Fixes:
|
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Krzysztof Kozlowski
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48c3876a6a |
docs: submitting-patches: Clarify that "reviewer" is a person
Common understanding of word "Reviewer" is: a person performing a review
work [1]. Tools are not persons, thus cannot be reviewers in this term.
Also tools cannot make statements and cannot take responsibility for the
review.
Our docs already clearly mark that "Reviewed-by" must come from a
person:
- "By offering my Reviewed-by: tag, I state that:"
Usage of first person "I" and word "state"
- "A Reviewed-by tag is *a statement of opinion* that the patch is an
appropriate modification of the kernel without any remaining serious"
Only a person can make a statement of opinion.
- "Any interested reviewer (who has done the work) can offer a
Reviewed-by"
A person can offer a tag thus above does not grant the tool
permission to offer a tag.
However this might not be enough, so let's clarify that only a person
with a known identity can state the "Reviewer's statement of oversight".
Link: https://en.wiktionary.org/wiki/reviewer [1]
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260520154846.162170-2-krzysztof.kozlowski@oss.qualcomm.com>
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Jonathan Corbet
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99a71b0644 |
Merge branch 'docs-fixes' into docs-mw
Bring the new security-bugs/threat-model docs in so we can continue to tweak them here. |
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Jonathan Corbet
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f2e65e4e5b |
docs: threat-model: don't limit root capabilities to CAP_SYS_ADMIN
The threat-model document says that only users with CAP_SYS_ADMIN can carry out a number of admin-level tasks, but there are numerous capabilities that can confer that sort of power. Generalize the text slightly to make it clear that CAP_SYS_ADMIN is not the only all-powerful capability. Acked-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Jonathan Corbet
|
561458db0d |
docs: security-bugs: add a link to the threat-model documentation
Rather than make readers search for this document, just a link to it where it is referenced. (While I was at it, I removed the unused and unneeded _threatmodel label from the top of threat-model.rst). Acked-by: Willy Tarreau <w@1wt.eu> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Willy Tarreau
|
4bf85afb9f |
Documentation: security-bugs: clarify requirements for AI-assisted reports
AI tools are increasingly used to assist in bug discovery. While these tools can identify valid issues, reports that are submitted without manual verification often lack context, contain speculative impact assessments, or include unnecessary formatting. Such reports increase triage effort, waste maintainers' time and may be ignored. Reports where the reporter has verified the issue and the proposed fix typically meet quality standards. This documentation outlines specific requirements for length, formatting, and impact evaluation to reduce the effort needed to deal with these reports. Cc: Greg KH <gregkh@linuxfoundation.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260509094755.2838-4-w@1wt.eu> |
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Willy Tarreau
|
a03ef333fb |
Documentation: security-bugs: explain what is and is not a security bug
The use of automated tools to find bugs in random locations of the kernel induces a raise of security reports even if most of them should just be reported as regular bugs. This patch is an attempt at drawing a line between what qualifies as a security bug and what does not, hoping to improve the situation and ease decision on the reporter's side. It defers the enumeration to a new file, threat-model.rst, that tries to enumerate various classes of issues that are and are not security bugs. This should permit to more easily update this file for various subsystem-specific rules without having to revisit the security bug reporting guide. Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Leon Romanovsky <leon@kernel.org> Suggested-by: Leon Romanovsky <leon@kernel.org> Suggested-by: Greg KH <gregkh@linuxfoundation.org> Reviewed-by: Leon Romanovsky <leon@kernel.org> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260509094755.2838-3-w@1wt.eu> |
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Willy Tarreau
|
aed3c33467 |
Documentation: security-bugs: do not systematically Cc the security team
With the increase of automated reports, the security team is dealing with way more messages than really needed. The reporting process works well with most teams so there is no need to systematically involve the security team in reports. Let's suggest to keep it for small lists of recipients and new reporters only. This should continue to cover the risk of lost messages while reducing the volume from prolific reporters. Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Leon Romanovsky <leon@kernel.org> Reviewed-by: Leon Romanovsky <leon@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260509094755.2838-2-w@1wt.eu> |
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Mauro Carvalho Chehab
|
bda185c305 |
docs: maintainers_include: Only show main entry for profiles
Instead of showing as a "Contents:" with 2 identation levels, drop its title and show profiles as a list of entries. Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <387b42c523e7b9f33e61cdff6fadb1df265cf71d.1777295258.git.mchehab+huawei@kernel.org> |