Now that obsolete RFC3517/RFC6675 TCP loss detection has been removed,
we can remove the somewhat complex and intrusive code to maintain its
hint state: lost_skb_hint and lost_cnt_hint.
This commit makes tcp_clear_retrans_hints_partial() empty. We will
remove tcp_clear_retrans_hints_partial() and its call sites in the
next commit.
Suggested-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250615001435.2390793-3-ncardwell.sw@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
RACK-TLP loss detection has been enabled as the default loss detection
algorithm for Linux TCP since 2018, in:
commit b38a51fec1 ("tcp: disable RFC6675 loss detection")
In case users ran into unexpected bugs or performance regressions,
that commit allowed Linux system administrators to revert to using
RFC3517/RFC6675 loss recovery by setting net.ipv4.tcp_recovery to 0.
In the seven years since 2018, our team has not heard reports of
anyone reverting Linux TCP to use RFC3517/RFC6675 loss recovery, and
we can't find any record in web searches of such a revert.
RACK-TLP was published as a standards-track RFC, RFC8985, in February
2021.
Several other major TCP implementations have default-enabled RACK-TLP
at this point as well.
RACK-TLP offers several significant performance advantages over
RFC3517/RFC6675 loss recovery, including much better performance in
the common cases of tail drops, lost retransmissions, and reordering.
It is now time to remove the obsolete and unused RFC3517/RFC6675 loss
recovery code. This will allow a substantial simplification of the
Linux TCP code base, and removes 12 bytes of state in every tcp_sock
for 64-bit machines (8 bytes on 32-bit machines).
To arrange the commits in reasonable sizes, this patch series is split
into 3 commits. The following 2 commits remove bookkeeping state and
code that is no longer needed after this removal of RFC3517/RFC6675
loss recovery.
Suggested-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250615001435.2390793-2-ncardwell.sw@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The phy_id field only shows the PHY ID of the C22 device, and the C45
device did not store its PHY ID in this field.
Add a new phy_mmd_group, and export the mmd<n>_device_id for the C45
device. These files are invisible to the C22 device.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250613131903.2961-1-yajun.deng@linux.dev
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add enum dpll_feature_state for control over features.
Add dpll device level attribute:
DPLL_A_PHASE_OFFSET_MONITOR - to allow control over a phase offset monitor
feature. Attribute is present and shall return current state of a feature
(enum dpll_feature_state), if the device driver provides such capability,
otherwie attribute shall not be present.
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250612152835.1703397-2-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Document support for the GBETH IP found on the Renesas RZ/G3E (R9A09G047) SoC.
The GBETH block on RZ/G3E is equivalent in functionality to the GBETH found on
RZ/V2H(P) (R9A09G057).
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20250611061204.15393-1-john.madieu.xa@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up the remaining yamllint warnings in the netlink specs:
[warning] comment not indented like content (comments-indentation)
[error] too many spaces after colon (colons)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-8-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up all line too long errors reported by yamllint in the netlink
specs, e.g.
error line too long (97 > 80 characters) (line-length)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-7-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up all indentation related errors reported by yamllint in the
netlink specs, e.g.
error wrong indentation: expected 6 but found 5 (indentation)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-6-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up all truthy value warnings reported by yamllint in the
netlink specs:
warning truthy value should be one of [false, true] (truthy)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-5-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up all comments warnings reported by yamllint in the netlink specs:
warning too few spaces before comment: expected 2 (comments)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-4-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up all space inside brackets errors reported by yamllint in
the netlink specs:
error too many spaces inside brackets (brackets)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-3-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clean up all document-start warnings reported by yamllint in the
netlink specs:
warning missing document start "---" (document-start)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> # mptcp_pm.yaml
Link: https://patch.msgid.link/20250610125944.85265-2-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-next-for-6.17-20250610' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2025-06-10
The first 4 patches are by Vincent Mailhol and prepare the CAN netlink
interface for the introduction of CAN XL configuration.
Geert Uytterhoeven's patch updates the CAN networking documentation.
The last 2 patched are by Davide Caratti and introduce skb drop
reasons in the receive path of several CAN protocols.
* tag 'linux-can-next-for-6.17-20250610' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: add drop reasons in CAN protocols receive path
can: add drop reasons in the receive path of AF_CAN
documentation: networking: can: Document alloc_candev_mqs()
can: netlink: can_changelink(): rename tdc_mask into fd_tdc_flag_provided
can: bittiming: rename can_tdc_is_enabled() into can_fd_tdc_is_enabled()
can: bittiming: rename CAN_CTRLMODE_TDC_MASK into CAN_CTRLMODE_FD_TDC_MASK
can: netlink: replace tabulation by space in assignment
====================
Link: https://patch.msgid.link/20250610094933.1593081-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since the introduction of alloc_candev_mqs() and friends, there is no
longer a need to allocate a generic network device and perform explicit
CAN-specific setup. Remove the code showing this setup, and document
alloc_candev_mqs() instead.
Fixes: 39549eef35 ("can: CAN Network device driver and Netlink interface")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/c0f9a706ba31f1a49eb72e58526cd294d97a1ce9.1748865431.git.geert+renesas@glider.be
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Add a description of PTP pins support by the adapters to ice driver
documentation.
Reviewed-by: Milena Olech <milena.olech@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Emails to Jianlong Huang bounce since 9 months, so drop the person from
maintainers:
550 5.4.1 Recipient address rejected: Access denied.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20250528104514.184122-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Merge tag '6.16-rc-part2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull more smb client updates from Steve French:
- multichannel/reconnect fixes
- move smbdirect (smb over RDMA) defines to fs/smb/common so they will
be able to be used in the future more broadly, and a documentation
update explaining setting up smbdirect mounts
- update email address for Paulo
* tag '6.16-rc-part2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal version number
MAINTAINERS, mailmap: Update Paulo Alcantara's email address
cifs: add documentation for smbdirect setup
cifs: do not disable interface polling on failure
cifs: serialize other channels when query server interfaces is pending
cifs: deal with the channel loading lag while picking channels
smb: client: make use of common smbdirect_socket_parameters
smb: smbdirect: introduce smbdirect_socket_parameters
smb: client: make use of common smbdirect_socket
smb: smbdirect: add smbdirect_socket.h
smb: client: make use of common smbdirect.h
smb: smbdirect: add smbdirect.h with public structures
smb: client: make use of common smbdirect_pdu.h
smb: smbdirect: add smbdirect_pdu.h with protocol definitions
- Add support for the EXPORT_SYMBOL_GPL_FOR_MODULES() macro, which exports a
symbol only to specified modules
- Improve ABI handling in gendwarfksyms
- Forcibly link lib-y objects to vmlinux even if CONFIG_MODULES=n
- Add checkers for redundant or missing <linux/export.h> inclusion
- Deprecate the extra-y syntax
- Fix a genksyms bug when including enum constants from *.symref files
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Merge tag 'kbuild-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add support for the EXPORT_SYMBOL_GPL_FOR_MODULES() macro, which
exports a symbol only to specified modules
- Improve ABI handling in gendwarfksyms
- Forcibly link lib-y objects to vmlinux even if CONFIG_MODULES=n
- Add checkers for redundant or missing <linux/export.h> inclusion
- Deprecate the extra-y syntax
- Fix a genksyms bug when including enum constants from *.symref files
* tag 'kbuild-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (28 commits)
genksyms: Fix enum consts from a reference affecting new values
arch: use always-$(KBUILD_BUILTIN) for vmlinux.lds
kbuild: set y instead of 1 to KBUILD_{BUILTIN,MODULES}
efi/libstub: use 'targets' instead of extra-y in Makefile
module: make __mod_device_table__* symbols static
scripts/misc-check: check unnecessary #include <linux/export.h> when W=1
scripts/misc-check: check missing #include <linux/export.h> when W=1
scripts/misc-check: add double-quotes to satisfy shellcheck
kbuild: move W=1 check for scripts/misc-check to top-level Makefile
scripts/tags.sh: allow to use alternative ctags implementation
kconfig: introduce menu type enum
docs: symbol-namespaces: fix reST warning with literal block
kbuild: link lib-y objects to vmlinux forcibly even when CONFIG_MODULES=n
tinyconfig: enable CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
docs/core-api/symbol-namespaces: drop table of contents and section numbering
modpost: check forbidden MODULE_IMPORT_NS("module:") at compile time
kbuild: move kbuild syntax processing to scripts/Makefile.build
Makefile: remove dependency on archscripts for header installation
Documentation/kbuild: Add new gendwarfksyms kABI rules
Documentation/kbuild: Drop section numbers
...
1, Adjust the 'make install' operation;
2, Support SCHED_MC (Multi-core scheduler);
3, Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS;
4, Enable HAVE_ARCH_STACKLEAK;
5, Increase max supported CPUs up to 2048;
6, Introduce the numa_memblks conversion;
7, Add PWM controller nodes in dts;
8, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Adjust the 'make install' operation
- Support SCHED_MC (Multi-core scheduler)
- Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS
- Enable HAVE_ARCH_STACKLEAK
- Increase max supported CPUs up to 2048
- Introduce the numa_memblks conversion
- Add PWM controller nodes in dts
- Some bug fixes and other small changes
* tag 'loongarch-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
platform/loongarch: laptop: Unregister generic_sub_drivers on exit
platform/loongarch: laptop: Add backlight power control support
platform/loongarch: laptop: Get brightness setting from EC on probe
LoongArch: dts: Add PWM support to Loongson-2K2000
LoongArch: dts: Add PWM support to Loongson-2K1000
LoongArch: dts: Add PWM support to Loongson-2K0500
LoongArch: vDSO: Correctly use asm parameters in syscall wrappers
LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset()
LoongArch: Preserve firmware configuration when desired
LoongArch: Avoid using $r0/$r1 as "mask" for csrxchg
LoongArch: Introduce the numa_memblks conversion
LoongArch: Increase max supported CPUs up to 2048
LoongArch: Enable HAVE_ARCH_STACKLEAK
LoongArch: Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS
LoongArch: Add SCHED_MC (Multi-core scheduler) support
LoongArch: Add some annotations in archhelp
LoongArch: Using generic scripts/install.sh in `make install`
LoongArch: Add a default install.sh
KBUILD_BUILTIN is set to 1 unless you are building only modules.
KBUILD_MODULES is set to 1 when you are building only modules
(a typical use case is "make modules").
It is more useful to set them to 'y' instead, so we can do
something like:
always-$(KBUILD_BUILTIN) += vmlinux.lds
This works equivalently to:
extra-y += vmlinux.lds
This allows us to deprecate extra-y. extra-y and always-y are quite
similar, and we do not need both.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
* Support for the FWFT SBI extension, which is part of SBI 3.0 and a
dependency for many new SBI and ISA extensions.
* Support for getrandom() in the VDSO.
* Support for mseal.
* Optimized routines for raid6 syndrome and recovery calculations.
* kexec_file() supports loading Image-formatted kernel binaries.
* Improvements to the instruction patching framework to allow for atomic
instruction patching, along with rules as to how systems need to
behave in order to function correctly.
* Support for a handful of new ISA extensions: Svinval, Zicbop, Zabha,
some SiFive vendor extensions.
* Various fixes and cleanups, including: misaligned access handling, perf
symbol mangling, module loading, PUD THPs, and improved uaccess
routines.
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Merge tag 'riscv-for-linus-6.16-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the FWFT SBI extension, which is part of SBI 3.0 and a
dependency for many new SBI and ISA extensions
- Support for getrandom() in the VDSO
- Support for mseal
- Optimized routines for raid6 syndrome and recovery calculations
- kexec_file() supports loading Image-formatted kernel binaries
- Improvements to the instruction patching framework to allow for
atomic instruction patching, along with rules as to how systems need
to behave in order to function correctly
- Support for a handful of new ISA extensions: Svinval, Zicbop, Zabha,
some SiFive vendor extensions
- Various fixes and cleanups, including: misaligned access handling,
perf symbol mangling, module loading, PUD THPs, and improved uaccess
routines
* tag 'riscv-for-linus-6.16-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (69 commits)
riscv: uaccess: Only restore the CSR_STATUS SUM bit
RISC-V: vDSO: Wire up getrandom() vDSO implementation
riscv: enable mseal sysmap for RV64
raid6: Add RISC-V SIMD syndrome and recovery calculations
riscv: mm: Add support for Svinval extension
RISC-V: Documentation: Add enough title underlines to CMODX
riscv: Improve Kconfig help for RISCV_ISA_V_PREEMPTIVE
MAINTAINERS: Update Atish's email address
riscv: uaccess: do not do misaligned accesses in get/put_user()
riscv: process: use unsigned int instead of unsigned long for put_user()
riscv: make unsafe user copy routines use existing assembly routines
riscv: hwprobe: export Zabha extension
riscv: Make regs_irqs_disabled() more clear
perf symbols: Ignore mapping symbols on riscv
RISC-V: Kconfig: Fix help text of CMDLINE_EXTEND
riscv: module: Optimize PLT/GOT entry counting
riscv: Add support for PUD THP
riscv: xchg: Prefetch the destination word for sc.w
riscv: Add ARCH_HAS_PREFETCH[W] support with Zicbop
riscv: Add support for Zicbop
...
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Merge tag 'ovl-update-v2-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs update from Miklos Szeredi:
- Fix a regression in getting the path of an open file (e.g. in
/proc/PID/maps) for a nested overlayfs setup (André Almeida)
- Support data-only layers and verity in a user namespace (unprivileged
composefs use case)
- Fix a gcc warning (Kees)
- Cleanups
* tag 'ovl-update-v2-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: Annotate struct ovl_entry with __counted_by()
ovl: Replace offsetof() with struct_size() in ovl_stack_free()
ovl: Replace offsetof() with struct_size() in ovl_cache_entry_new()
ovl: Check for NULL d_inode() in ovl_dentry_upper()
ovl: Use str_on_off() helper in ovl_show_options()
ovl: don't require "metacopy=on" for "verity"
ovl: relax redirect/metacopy requirements for lower -> data redirect
ovl: make redirect/metacopy rejection consistent
ovl: Fix nested backing file paths
A small set of updates that came in during the merge window, we've got:
- Some small fixes for the Broadcom and spi-pci1xxxx drivers
- A change to the QPIC SNAND driver to flag that the error correction
features are less useful than people might be expecting.
- A new device ID for the SOPHGO SG2042.
- The addition of Yang Shen as a Huawei maintainer.
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Merge tag 'spi-v6.16-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull more spi updates from Mark Brown:
"A small set of updates that came in during the merge window, we've
got:
- Some small fixes for the Broadcom and spi-pci1xxxx drivers
- A change to the QPIC SNAND driver to flag that the error correction
features are less useful than people might be expecting
- A new device ID for the SOPHGO SG2042
- The addition of Yang Shen as a Huawei maintainer"
* tag 'spi-v6.16-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-qpic-snand: document the limited bit error reporting capability
spi: bcm63xx-hsspi: fix shared reset
spi: bcm63xx-spi: fix shared reset
MAINTAINERS: Update HiSilicon SFC driver maintainer
MAINTAINERS: Update HiSilicon SPI Controller driver maintainer
spi: dt-bindings: spi-sg2044-nor: Add SOPHGO SG2042
spi: spi-pci1xxxx: Fix Probe failure with Dual SPI instance with INTx interrupts
The pwm-axi-pwmgen device is backed by an FPGA and can be synthesized in
different ways. Relevant here is that it can use one or two external
clock signals. The changes included here fix clock handling for the two
clocks case.
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Merge tag 'pwm/for-6.16-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
"axi-pwmgen: Fix handling of external clock
The pwm-axi-pwmgen device is backed by an FPGA and can be synthesized
in different ways. Relevant here is that it can use one or two
external clock signals. These fix clock handling for the two clocks
case"
* tag 'pwm/for-6.16-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: axi-pwmgen: fix missing separate external clock
dt-bindings: pwm: adi,axi-pwmgen: Fix clocks
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Merge tag 'block-6.16-20250606' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
- NVMe pull request via Christoph:
- TCP error handling fix (Shin'ichiro Kawasaki)
- TCP I/O stall handling fixes (Hannes Reinecke)
- fix command limits status code (Keith Busch)
- support vectored buffers also for passthrough (Pavel Begunkov)
- spelling fixes (Yi Zhang)
- MD pull request via Yu:
- fix REQ_RAHEAD and REQ_NOWAIT IO err handling for raid1/10
- fix max_write_behind setting for dm-raid
- some minor cleanups
- Integrity data direction fix and cleanup
- bcache NULL pointer fix
- Fix for loop missing write start/end handling
- Decouple hardware queues and IO threads in ublk
- Slew of ublk selftests additions and updates
* tag 'block-6.16-20250606' of git://git.kernel.dk/linux: (29 commits)
nvme: spelling fixes
nvme-tcp: fix I/O stalls on congested sockets
nvme-tcp: sanitize request list handling
nvme-tcp: remove tag set when second admin queue config fails
nvme: enable vectored registered bufs for passthrough cmds
nvme: fix implicit bool to flags conversion
nvme: fix command limits status code
selftests: ublk: kublk: improve behavior on init failure
block: flip iter directions in blk_rq_integrity_map_user()
block: drop direction param from bio_integrity_copy_user()
selftests: ublk: cover PER_IO_DAEMON in more stress tests
Documentation: ublk: document UBLK_F_PER_IO_DAEMON
selftests: ublk: add stress test for per io daemons
selftests: ublk: add functional test for per io daemons
selftests: ublk: kublk: decouple ublk_queues from ublk server threads
selftests: ublk: kublk: move per-thread data out of ublk_queue
selftests: ublk: kublk: lift queue initialization out of thread
selftests: ublk: kublk: tie sqe allocation to io instead of queue
selftests: ublk: kublk: plumb q_id in io_uring user_data
ublk: have a per-io daemon instead of a per-queue daemon
...
Here is the big set of USB and Thunderbolt changes for 6.16-rc1.
Included in here are the following:
- USB offload support for audio devices. I think this takes the
record for the most number of patch series (30+) over the longest
period of time (2+ years) to get merged properly. Many props go to
Wesley Cheng for seeing this effort through, they took a major
out-of-tree hacked-up-monstrosity that was created by multiple
vendors for their specific devices, got it all merged into a
semi-coherent set of changes, and got all of the different major
subsystems to agree on how this should be implemented both with
changes to their code as well as userspace apis, AND wrangled the
hardware companies into agreeing to go forward with this, despite
making them all redo work they had already done in their private
device trees. This feature offers major power savings on embedded
devices where a USB audio stream can continue to flow while the rest
of the system is sleeping, something that devices running on battery
power really care about. There are still some more small tweaks
left to be done here, and those patches are still out for review and
arguing among the different hardware companies, but this is a major
step forward and a great example of how to do upstream development
well.
- small number of thunderbolt fixes and updates, things seem to be
slowing down here (famous last words...)
- xhci refactors and reworking to try to handle some rough corner
cases in some hardware implementations where things don't always
work properly
- typec driver updates
- USB3 power management reworking and updates
- Removal of some old and orphaned UDC gadget drivers that had not
been used in a very long time, dropping over 11 thousand lines from
the tree, always a nice thing, making up for the 12k lines added for
the USB offload feature.
- lots of little updates and fixes in different drivers
All of these have been in linux-next for over 2 weeks, the USB offload
logic has been in there for 8 weeks now, with no reported issues
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.16-rc1.
Included in here are the following:
- USB offload support for audio devices.
I think this takes the record for the most number of patch series
(30+) over the longest period of time (2+ years) to get merged
properly.
Many props go to Wesley Cheng for seeing this effort through, they
took a major out-of-tree hacked-up-monstrosity that was created by
multiple vendors for their specific devices, got it all merged into
a semi-coherent set of changes, and got all of the different major
subsystems to agree on how this should be implemented both with
changes to their code as well as userspace apis, AND wrangled the
hardware companies into agreeing to go forward with this, despite
making them all redo work they had already done in their private
device trees.
This feature offers major power savings on embedded devices where a
USB audio stream can continue to flow while the rest of the system
is sleeping, something that devices running on battery power really
care about. There are still some more small tweaks left to be done
here, and those patches are still out for review and arguing among
the different hardware companies, but this is a major step forward
and a great example of how to do upstream development well.
- small number of thunderbolt fixes and updates, things seem to be
slowing down here (famous last words...)
- xhci refactors and reworking to try to handle some rough corner
cases in some hardware implementations where things don't always
work properly
- typec driver updates
- USB3 power management reworking and updates
- Removal of some old and orphaned UDC gadget drivers that had not
been used in a very long time, dropping over 11 thousand lines from
the tree, always a nice thing, making up for the 12k lines added
for the USB offload feature.
- lots of little updates and fixes in different drivers
All of these have been in linux-next for over 2 weeks, the USB offload
logic has been in there for 8 weeks now, with no reported issues"
* tag 'usb-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (172 commits)
ALSA: usb-audio: qcom: fix USB_XHCI dependency
ASoC: qdsp6: fix compile-testing without CONFIG_OF
usb: misc: onboard_usb_dev: fix build warning for CONFIG_USB_ONBOARD_DEV_USB5744=n
usb: typec: tipd: fix typo in TPS_STATUS_HIGH_VOLAGE_WARNING macro
USB: typec: fix const issue in typec_match()
USB: gadget: udc: fix const issue in gadget_match_driver()
USB: gadget: fix up const issue with struct usb_function_instance
USB: serial: pl2303: add new chip PL2303GC-Q20 and PL2303GT-2AB
USB: serial: bus: fix const issue in usb_serial_device_match()
usb: usbtmc: Fix timeout value in get_stb
usb: usbtmc: Fix read_stb function and get_stb ioctl
ALSA: qc_audio_offload: try to reduce address space confusion
ALSA: qc_audio_offload: avoid leaking xfer_buf allocation
ALSA: qc_audio_offload: rename dma/iova/va/cpu/phys variables
ALSA: usb-audio: qcom: Fix an error handling path in qc_usb_audio_probe()
usb: misc: onboard_usb_dev: Fix usb5744 initialization sequence
dt-bindings: usb: ti,usb8041: Add binding for TI USB8044 hub controller
usb: misc: onboard_usb_dev: Add support for TI TUSB8044 hub
usb: gadget: lpc32xx_udc: Use USB API functions rather than constants
usb: gadget: epautoconf: Use USB API functions rather than constants
...
Here is the big set of tty and serial driver changes for 6.16-rc1.
A little more churn than normal in this portion of the kernel for this
development cycle, Jiri and Nicholas were busy with cleanups and reviews
and fixes for the vt unicode handling logic which composed most of the
overall work in here.
Major changes are:
- vt unicode changes/reverts/changes from Nicholas. This should help
out a lot with screen readers and others that rely on vt console
support
- lock guard additions to the core tty/serial code to clean up lots of
error handling logic
- 8250 driver updates and fixes
- device tree conversions to yaml
- sh-sci driver updates
- other small cleanups and updates for serial drivers and tty core
portions
All of these have been in linux-next for 2 weeks with no reported issues
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the big set of tty and serial driver changes for 6.16-rc1.
A little more churn than normal in this portion of the kernel for this
development cycle, Jiri and Nicholas were busy with cleanups and
reviews and fixes for the vt unicode handling logic which composed
most of the overall work in here.
Major changes are:
- vt unicode changes/reverts/changes from Nicholas. This should help
out a lot with screen readers and others that rely on vt console
support
- lock guard additions to the core tty/serial code to clean up lots
of error handling logic
- 8250 driver updates and fixes
- device tree conversions to yaml
- sh-sci driver updates
- other small cleanups and updates for serial drivers and tty core
portions
All of these have been in linux-next for 2 weeks with no reported issues"
* tag 'tty-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (105 commits)
tty: serial: 8250_omap: fix TX with DMA for am33xx
vt: add VT_GETCONSIZECSRPOS to retrieve console size and cursor position
vt: bracketed paste support
vt: remove VT_RESIZE and VT_RESIZEX from vt_compat_ioctl()
vt: process the full-width ASCII fallback range programmatically
vt: make use of ucs_get_fallback() when glyph is unavailable
vt: add ucs_get_fallback()
vt: create ucs_fallback_table.h_shipped with gen_ucs_fallback_table.py
vt: introduce gen_ucs_fallback_table.py to create ucs_fallback_table.h
vt: move glyph determination to a separate function
vt: make sure displayed double-width characters are remembered as such
vt: ucs.c: fix misappropriate in_range() usage
serial: max3100: Replace open-coded parity calculation with parity8()
dt-bindings: serial: 8250_omap: Drop redundant properties
dt-bindings: serial: Convert socionext,milbeaut-usio-uart to DT schema
dt-bindings: serial: Convert microchip,pic32mzda-uart to DT schema
dt-bindings: serial: Convert arm,sbsa-uart to DT schema
dt-bindings: serial: Convert snps,arc-uart to DT schema
dt-bindings: serial: Convert marvell,armada-3700-uart to DT schema
dt-bindings: serial: Convert lantiq,asc to DT schema
...
Here is the big char/misc/iio and other small driver subsystem pull
request for 6.16-rc1.
Overall, a lot of individual changes, but nothing major, just the normal
constant forward progress of new device support and cleanups to existing
subsystems. Highlights in here are:
- Large IIO driver updates and additions and device tree changes
- Android binder bugfixes and logfile fixes
- mhi driver updates
- comedi driver updates
- counter driver updates and additions
- coresight driver updates and additions
- echo driver removal as there are no in-kernel users of it
- nvmem driver updates
- spmi driver updates
- new amd-sbi driver "subsystem" and drivers added
- rust miscdriver binding documentation fix
- other small driver fixes and updates (uio, w1, acrn, hpet, xillybus,
cardreader drivers, fastrpc and others.)
All of these have been in linux-next for quite a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / iio driver updates from Greg KH:
"Here is the big char/misc/iio and other small driver subsystem pull
request for 6.16-rc1.
Overall, a lot of individual changes, but nothing major, just the
normal constant forward progress of new device support and cleanups to
existing subsystems. Highlights in here are:
- Large IIO driver updates and additions and device tree changes
- Android binder bugfixes and logfile fixes
- mhi driver updates
- comedi driver updates
- counter driver updates and additions
- coresight driver updates and additions
- echo driver removal as there are no in-kernel users of it
- nvmem driver updates
- spmi driver updates
- new amd-sbi driver "subsystem" and drivers added
- rust miscdriver binding documentation fix
- other small driver fixes and updates (uio, w1, acrn, hpet,
xillybus, cardreader drivers, fastrpc and others)
All of these have been in linux-next for quite a while with no
reported problems"
* tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (390 commits)
binder: fix yet another UAF in binder_devices
counter: microchip-tcb-capture: Add watch validation support
dt-bindings: iio: adc: Add ROHM BD79100G
iio: adc: add support for Nuvoton NCT7201
dt-bindings: iio: adc: add NCT7201 ADCs
iio: chemical: Add driver for SEN0322
dt-bindings: trivial-devices: Document SEN0322
iio: adc: ad7768-1: reorganize driver headers
iio: bmp280: zero-init buffer
iio: ssp_sensors: optimalize -> optimize
HID: sensor-hub: Fix typo and improve documentation
iio: admv1013: replace redundant ternary operator with just len
iio: chemical: mhz19b: Fix error code in probe()
iio: adc: at91-sama5d2: use IIO_DECLARE_BUFFER_WITH_TS
iio: accel: sca3300: use IIO_DECLARE_BUFFER_WITH_TS
iio: adc: ad7380: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: adc: ad4695: rename AD4695_MAX_VIN_CHANNELS
iio: adc: ad4695: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: introduce IIO_DECLARE_BUFFER_WITH_TS macros
iio: make IIO_DMA_MINALIGN minimum of 8 bytes
...
Added support for parallel CPU bring up on EyeQ
Other cleanups and fixes
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Merge tag 'mips_6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- Added support for EcoNet platform
- Added support for parallel CPU bring up on EyeQ
- Other cleanups and fixes
* tag 'mips_6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (23 commits)
MIPS: loongson2ef: lemote-2f: add missing function prototypes
MIPS: loongson2ef: cs5536: add missing function prototypes
MIPS: SMP: Move the AP sync point before the calibration delay
mips: econet: Fix incorrect Kconfig dependencies
MAINTAINERS: Add entry for newly added EcoNet platform.
mips: dts: Add EcoNet DTS with EN751221 and SmartFiber XP8421-B board
dt-bindings: vendor-prefixes: Add SmartFiber
mips: Add EcoNet MIPS platform support
dt-bindings: mips: Add EcoNet platform binding
MIPS: bcm63xx: nvram: avoid inefficient use of crc32_le_combine()
mips: dts: pic32: pic32mzda: Rename the sdhci nodename to match with common mmc-controller binding
MIPS: SMP: Move the AP sync point before the non-parallel aware functions
MIPS: Replace strcpy() with strscpy() in vpe_elfload()
MIPS: BCM63XX: Replace strcpy() with strscpy() in board_prom_init()
mips: ptrace: Improve code formatting and indentation
MIPS: SMP: Implement parallel CPU bring up for EyeQ
mips: Add -std= flag specified in KBUILD_CFLAGS to vdso CFLAGS
MIPS: Loongson64: Add missing '#interrupt-cells' for loongson64c_ls7a
mips: dts: realtek: Add MDIO controller
MIPS: txx9: gpio: use new line value setter callbacks
...
- A couple of vm init fixes (Matt Auld)
- Hwmon fixes (Karthik)
- Drop reduntant conversion to bool (Raag)
- Fix CONFIG_INTEL_VSEC dependency (Arnd)
- Rework eviction rejection of bound external bos (Thomas)
- Stop re-submitting signalled jobs (Matt Auld)
- A couple of pxp fixes (Daniele)
- Add back a fix that got lost in a merge (Matt Auld)
- Create LRC bo without VM (Niranjana)
- Fix for the above fix (Maciej)
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Merge tag 'drm-xe-next-fixes-2025-06-05' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes:
- A couple of vm init fixes (Matt Auld)
- Hwmon fixes (Karthik)
- Drop reduntant conversion to bool (Raag)
- Fix CONFIG_INTEL_VSEC dependency (Arnd)
- Rework eviction rejection of bound external bos (Thomas)
- Stop re-submitting signalled jobs (Matt Auld)
- A couple of pxp fixes (Daniele)
- Add back a fix that got lost in a merge (Matt Auld)
- Create LRC bo without VM (Niranjana)
- Fix for the above fix (Maciej)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/aEHq44uIAZwfK-mG@fedora
riscv patches for 6.16-rc1, part 2
* Performance improvements
- Add support for vdso getrandom
- Implement raid6 calculations using vectors
- Introduce svinval tlb invalidation
* Cleanup
- A bunch of deduplication of the macros we use for manipulating instructions
* Misc
- Introduce a kunit test for kprobes
- Add support for mseal as riscv fits the requirements (thanks to Lorenzo for making sure of that :))
[Palmer: There was a rebase between part 1 and part 2, so I've had to do
some more git surgery here... at least two rounds of surgery...]
* alex-pr-2: (866 commits)
RISC-V: vDSO: Wire up getrandom() vDSO implementation
riscv: enable mseal sysmap for RV64
raid6: Add RISC-V SIMD syndrome and recovery calculations
riscv: mm: Add support for Svinval extension
riscv: Add kprobes KUnit test
riscv: kprobes: Remove duplication of RV_EXTRACT_ITYPE_IMM
riscv: kprobes: Remove duplication of RV_EXTRACT_UTYPE_IMM
riscv: kprobes: Remove duplication of RV_EXTRACT_RD_REG
riscv: kprobes: Remove duplication of RVC_EXTRACT_BTYPE_IMM
riscv: kprobes: Remove duplication of RVC_EXTRACT_C2_RS1_REG
riscv: kproves: Remove duplication of RVC_EXTRACT_JTYPE_IMM
riscv: kprobes: Remove duplication of RV_EXTRACT_BTYPE_IMM
riscv: kprobes: Remove duplication of RV_EXTRACT_RS1_REG
riscv: kprobes: Remove duplication of RV_EXTRACT_JTYPE_IMM
riscv: kprobes: Move branch_funct3 to insn.h
riscv: kprobes: Move branch_rs2_idx to insn.h
Linux 6.15-rc6
Input: xpad - fix xpad_device sorting
Input: xpad - add support for several more controllers
Input: xpad - fix Share button on Xbox One controllers
...
Use a literal block for the EXPORT_SYMBOL_GPL_FOR_MODULES() example to
avoid a Docutils warning about unmatched '*'. This ensures correct rendering
and keeps the source readable.
Warning:
Documentation/core-api/symbol-namespaces.rst:90: WARNING: Inline emphasis start-string without end-string. [docutils]
Signed-off-by: Khaled Elnaggar <khaledelnaggarlinux@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Current release - regressions:
- Revert "kunit: configs: Enable CONFIG_INIT_STACK_ALL_PATTERN
in all_tests", makes kunit error out if compiler is old
- wifi: iwlwifi: mvm: fix assert on suspend
- rxrpc: fix return from none_validate_challenge()
Current release - new code bugs:
- ovpn: couple of fixes for socket cleanup and UDP-tunnel teardown
- can: kvaser_pciefd: refine error prone echo_skb_max handling logic
- fix net_devmem_bind_dmabuf() stub when DEVMEM not compiled
- eth: airoha: fixes for config / accel in bridge mode
Previous releases - regressions:
- Bluetooth: hci_qca: move the SoC type check to the right place,
fix GPIO integration
- prevent a NULL deref in rtnl_create_link() after locking changes
- fix udp gso skb_segment after pull from frag_list
- hv_netvsc: fix potential deadlock in netvsc_vf_setxdp()
Previous releases - always broken:
- netfilter:
- nf_nat: also check reverse tuple to obtain clashing entry
- nf_set_pipapo_avx2: fix initial map fill (zeroing)
- fix the helper for incremental update of packet checksums after
modifying the IP address, used by ILA and BPF
- eth: stmmac: prevent div by 0 when clock rate is misconfigured
- eth: ice: fix Tx scheduler handling of XDP and changing queue count
- eth: b53: fix support for the RGMII interface when delays configured
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN, wireless, Bluetooth, and Netfilter.
Current release - regressions:
- Revert "kunit: configs: Enable CONFIG_INIT_STACK_ALL_PATTERN in
all_tests", makes kunit error out if compiler is old
- wifi: iwlwifi: mvm: fix assert on suspend
- rxrpc: fix return from none_validate_challenge()
Current release - new code bugs:
- ovpn: couple of fixes for socket cleanup and UDP-tunnel teardown
- can: kvaser_pciefd: refine error prone echo_skb_max handling logic
- fix net_devmem_bind_dmabuf() stub when DEVMEM not compiled
- eth: airoha: fixes for config / accel in bridge mode
Previous releases - regressions:
- Bluetooth: hci_qca: move the SoC type check to the right place, fix
GPIO integration
- prevent a NULL deref in rtnl_create_link() after locking changes
- fix udp gso skb_segment after pull from frag_list
- hv_netvsc: fix potential deadlock in netvsc_vf_setxdp()
Previous releases - always broken:
- netfilter:
- nf_nat: also check reverse tuple to obtain clashing entry
- nf_set_pipapo_avx2: fix initial map fill (zeroing)
- fix the helper for incremental update of packet checksums after
modifying the IP address, used by ILA and BPF
- eth:
- stmmac: prevent div by 0 when clock rate is misconfigured
- ice: fix Tx scheduler handling of XDP and changing queue count
- eth: fix support for the RGMII interface when delays configured"
* tag 'net-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
calipso: unlock rcu before returning -EAFNOSUPPORT
seg6: Fix validation of nexthop addresses
net: prevent a NULL deref in rtnl_create_link()
net: annotate data-races around cleanup_net_task
selftests: drv-net: tso: make bkg() wait for socat to quit
selftests: drv-net: tso: fix the GRE device name
selftests: drv-net: add configs for the TSO test
wireguard: device: enable threaded NAPI
netlink: specs: rt-link: decode ip6gre
netlink: specs: rt-link: add missing byte-order properties
net: wwan: mhi_wwan_mbim: use correct mux_id for multiplexing
wifi: cfg80211/mac80211: correctly parse S1G beacon optional elements
net: dsa: b53: do not touch DLL_IQQD on bcm53115
net: dsa: b53: allow RGMII for bcm63xx RGMII ports
net: dsa: b53: do not configure bcm63xx's IMP port interface
net: dsa: b53: do not enable RGMII delay on bcm63xx
net: dsa: b53: do not enable EEE on bcm63xx
net: ti: icssg-prueth: Fix swapped TX stats for MII interfaces.
selftests: netfilter: nft_nat.sh: add test for reverse clash with nat
netfilter: nf_nat: also check reverse tuple to obtain clashing entry
...
This reports as a warning in linux-next along the lines of
Documentation/arch/riscv/cmodx.rst:14: WARNING: Title underline too short.
CMODX in the Kernel Space
--------------------- [docutils]
Documentation/arch/riscv/cmodx.rst:43: WARNING: Title underline too short.
CMODX in the User Space
--------------------- [docutils]
Documentation/arch/riscv/cmodx.rst:43: WARNING: Title underline too short.
CMODX in the User Space
--------------------- [docutils]
Link: https://lore.kernel.org/all/20250603154544.1602a8b5@canb.auug.org.au/
Fixes: 0e07200b2af6 ("riscv: Documentation: add a description about dynamic ftrace")
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20250603172856.49925-1-palmer@dabbelt.com
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
riscv patches for 6.16-rc1
* Implement atomic patching support for ftrace which finally allows to
get rid of stop_machine().
* Support for kexec_file_load() syscall
* Improve module loading time by changing the algorithm that counts the
number of plt/got entries in a module.
* Zicbop is now used in the kernel to prefetch instructions
[Palmer: There's been two rounds of surgery on this one, so as a result
it's a bit different than the PR.]
* alex-pr: (734 commits)
riscv: Improve Kconfig help for RISCV_ISA_V_PREEMPTIVE
MAINTAINERS: Update Atish's email address
riscv: hwprobe: export Zabha extension
riscv: Make regs_irqs_disabled() more clear
perf symbols: Ignore mapping symbols on riscv
RISC-V: Kconfig: Fix help text of CMDLINE_EXTEND
riscv: module: Optimize PLT/GOT entry counting
riscv: Add support for PUD THP
riscv: xchg: Prefetch the destination word for sc.w
riscv: Add ARCH_HAS_PREFETCH[W] support with Zicbop
riscv: Add support for Zicbop
riscv: Introduce Zicbop instructions
riscv/kexec_file: Fix comment in purgatory relocator
riscv: kexec_file: Support loading Image binary file
riscv: kexec_file: Split the loading of kernel and others
riscv: Documentation: add a description about dynamic ftrace
riscv: ftrace: support direct call using call_ops
riscv: Implement HAVE_DYNAMIC_FTRACE_WITH_CALL_OPS
riscv: ftrace: support PREEMPT
riscv: add a data fence for CMODX in the kernel mode
...
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
- remove obsolete network transports
- remove PCI IO port support
- start adding seccomp-based process handling
instead of ptrace
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Merge tag 'uml-for-linux-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Johannes Berg:
"The only really new thing is the long-standing seccomp work
(originally from 2021!). Wven if it still isn't enabled by default due
to security concerns it can still be used e.g. for tests.
- remove obsolete network transports
- remove PCI IO port support
- start adding seccomp-based process handling instead of ptrace"
* tag 'uml-for-linux-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (29 commits)
um: remove "extern" from implementation of sigchld_handler
um: fix unused variable warning
um: fix SECCOMP 32bit xstate register restore
um: pass FD for memory operations when needed
um: Add SECCOMP support detection and initialization
um: Implement kernel side of SECCOMP based process handling
um: Track userspace children dying in SECCOMP mode
um: Add helper functions to get/set state for SECCOMP
um: Add stub side of SECCOMP/futex based process handling
um: Move faultinfo extraction into userspace routine
um: vector: Use mac_pton() for MAC address parsing
um: vector: Clean up and modernize log messages
um: chan_kern: use raw spinlock for irqs_to_free_lock
MAINTAINERS: remove obsolete file entry in TUN/TAP DRIVER
um: Fix tgkill compile error on old host OSes
um: stop using PCI port I/O
um: Remove legacy network transport infrastructure
um: vector: Eliminate the dependency on uml_net
um: Remove obsolete legacy network transports
um/asm: Replace "REP; NOP" with PAUSE mnemonic
...
- Disable problematic linker assertions for broken versions of LLD.
- Work around sporadic link failure with LLD and various randconfig
builds.
- Fix missing invalidation in the TLB batching code when reclaim races
with mprotect() and friends.
- Add a command-line override for MPAM to allow booting on systems with
broken firmware.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"We've got a couple of build fixes when using LLD, a missing TLB
invalidation and a workaround for broken firmware on SoCs with CPUs
that implement MPAM:
- Disable problematic linker assertions for broken versions of LLD
- Work around sporadic link failure with LLD and various randconfig
builds
- Fix missing invalidation in the TLB batching code when reclaim
races with mprotect() and friends
- Add a command-line override for MPAM to allow booting on systems
with broken firmware"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add override for MPAM
arm64/mm: Close theoretical race where stale TLB entry remains valid
arm64: Work around convergence issue with LLD linker
arm64: Disable LLD linker ASSERT()s for the time being
Add a section in cmodx to describe how dynamic ftrace works on riscv,
limitations, and assumptions.
Signed-off-by: Andy Chiu <andybnac@gmail.com>
Link: https://lore.kernel.org/r/20250407180838.42877-12-andybnac@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Move power2/curr2_crit to channel 1 i.e power1/curr1_crit as this
represents the entire card critical power/current.
v2: Update the date of curr1_crit also in hwmon documentation.
Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Fixes: 345dadc4f6 ("drm/xe/hwmon: Add infra to support card power and energy attributes")
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://lore.kernel.org/r/20250529163458.2354509-3-karthik.poosa@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 25e963a09e)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Core:
- support negative offsets for RTCs that have shipped with an epoch earlier
than 1970
New drivers:
- NXP S32G2/S32G3
- Sophgo CV1800
Drivers:
- loongson: fix missing alarm notifications for ACPI
- m41t80: kickstart ocillator upon failure
- mt6359: mt6357 support
- pcf8563: fix wrong alarm register
- sh: cleanups
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Merge tag 'rtc-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are two new drivers this cycle. There is also support for a
negative offset for RTCs that have been shipped with a date set using
an epoch that is before 1970. This unfortunately happens with some
products that ship with a vendor kernel and an out of tree driver.
Core:
- support negative offsets for RTCs that have shipped with an epoch
earlier than 1970
New drivers:
- NXP S32G2/S32G3
- Sophgo CV1800
Drivers:
- loongson: fix missing alarm notifications for ACPI
- m41t80: kickstart ocillator upon failure
- mt6359: mt6357 support
- pcf8563: fix wrong alarm register
- sh: cleanups"
* tag 'rtc-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (39 commits)
rtc: mt6359: Add mt6357 support
rtc: test: Test date conversion for dates starting in 1900
rtc: test: Also test time and wday outcome of rtc_time64_to_tm()
rtc: test: Emit the seconds-since-1970 value instead of days-since-1970
rtc: Fix offset calculation for .start_secs < 0
rtc: Make rtc_time64_to_tm() support dates before 1970
rtc: pcf8563: fix wrong alarm register
rtc: rzn1: support input frequencies other than 32768Hz
rtc: rzn1: Disable controller before initialization
dt-bindings: rtc: rzn1: add optional second clock
rtc: m41t80: reduce verbosity
rtc: m41t80: kickstart ocillator upon failure
rtc: s32g: add NXP S32G2/S32G3 SoC support
dt-bindings: rtc: add schema for NXP S32G2/S32G3 SoCs
dt-bindings: at91rm9260-rtt: add microchip,sama7d65-rtt
dt-bindings: rtc: at91rm9200: add microchip,sama7d65-rtc
rtc: loongson: Add missing alarm notifications for ACPI RTC events
rtc: sophgo: add rtc support for Sophgo CV1800 SoC
rtc: stm32: drop unused module alias
rtc: s3c: drop unused module alias
...
New support:
- Renesas RZ/V2H(P) dma support for r9a09g057
- Arm DMA-350 driver
- Tegra Tegra264 ADMA support
Updates:
- AMD ptdma driver code removal and optimizations
- Freescale edma error interrupt handler support
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Merge tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"A fairly small update for the dmaengine subsystem. This has a new ARM
dmaengine driver and couple of new device support and few driver
changes:
New support:
- Renesas RZ/V2H(P) dma support for r9a09g057
- Arm DMA-350 driver
- Tegra Tegra264 ADMA support
Updates:
- AMD ptdma driver code removal and optimizations
- Freescale edma error interrupt handler support"
* tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (27 commits)
dmaengine: idxd: Remove unused pointer and macro
arm64: dts: renesas: r9a09g057: Add DMAC nodes
dmaengine: sh: rz-dmac: Add RZ/V2H(P) support
dmaengine: sh: rz-dmac: Allow for multiple DMACs
irqchip/renesas-rzv2h: Add rzv2h_icu_register_dma_req()
dt-bindings: dma: rz-dmac: Document RZ/V2H(P) family of SoCs
dt-bindings: dma: rz-dmac: Restrict properties for RZ/A1H
dmaengine: idxd: Narrow the restriction on BATCH to ver. 1 only
dmaengine: ti: Add NULL check in udma_probe()
fsldma: Set correct dma_mask based on hw capability
dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using
dmaengine: xilinx_dma: Set dma_device directions
dmaengine: tegra210-adma: Add Tegra264 support
dt-bindings: Document Tegra264 ADMA support
dmaengine: dw-edma: Add HDMA NATIVE map check
dmaegnine: fsl-edma: add edma error interrupt handler
dt-bindings: dma: fsl-edma: increase maxItems of interrupts and interrupt-names
dmaengine: ARM_DMA350 should depend on ARM/ARM64
dt-bindings: dma: qcom,bam: Document dma-coherent property
dmaengine: Add Arm DMA-350 driver
...
Document steps to use SMB over RDMA using the linux SMB client and
KSMBD server
Signed-off-by: Meetakshi Setiya <msetiya@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
- New Support
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for this
support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
- Updates
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy
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Merge tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"As usual featuring couple of new driver and bunch of new device
support and some driver changes to Freescale, rockchip driver along
with couple of yaml binding conversions.
New Support:
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for
this support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
Updates:
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy"
* tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (77 commits)
phy: tegra: p2u: Broaden architecture dependency
phy: rockchip: inno-usb2: Add usb2 phy support for rk3562
dt-bindings: phy: rockchip,inno-usb2phy: add rk3562
phy: rockchip: inno-usb2: add phy definition for rk3036
dt-bindings: phy: rockchip,inno-usb2phy: add rk3036 compatible
phy: freescale: fsl-samsung-hdmi: Improve LUT search for best clock
phy: freescale: fsl-samsung-hdmi: Refactor finding PHY settings
phy: freescale: fsl-samsung-hdmi: Rename phy_clk_round_rate
phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/V2H(P)
phy: renesas: phy-rcar-gen3-usb2: Sort compatible entries by SoC part number
dt-bindings: phy: renesas,usb2-phy: Document RZ/V2H(P) SoC
dt-bindings: phy: renesas,usb2-phy: Add clock constraint for RZ/G2L family
phy: exynos5-usbdrd: support Exynos USBDRD 3.2 4nm controller
phy: phy-snps-eusb2: add support for exynos2200
phy: phy-snps-eusb2: refactor reference clock init
phy: phy-snps-eusb2: make reset control optional
phy: phy-snps-eusb2: make repeater optional
phy: phy-snps-eusb2: split phy init code
phy: phy-snps-eusb2: refactor constructs names
phy: move phy-qcom-snps-eusb2 out of its vendor sub-directory
...
Driver tests now require GRE tunnels, while we don't configure
them with YNL, YNL will complain when it sees link types it
doesn't recognize. Teach it decoding ip6gre tunnels. The attrs
are largely the same as IPv4 GRE.
Correct the type of encap-limit, but note that this attr is
only used in ip6gre, so the mistake didn't matter until now.
Fixes: 0d0f4174f6 ("selftests: drv-net: add a simple TSO test")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250603135357.502626-3-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A number of fields in the ip tunnels are lacking the big-endian
designation. I suspect this is not intentional, as decoding
the ports with the right endian seems objectively beneficial.
Fixes: 6ffdbb93a5 ("netlink: specs: rt_link: decode ip6tnl, vti and vti6 link attrs")
Fixes: 077b6022d2 ("doc/netlink/specs: Add sub-message type to rt_link family")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250603135357.502626-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Toolchain and infrastructure:
- KUnit '#[test]'s:
- Support KUnit-mapped 'assert!' macros.
The support that landed last cycle was very basic, and the
'assert!' macros panicked since they were the standard library
ones. Now, they are mapped to the KUnit ones in a similar way to
how is done for doctests, reusing the infrastructure there.
With this, a failing test like:
#[test]
fn my_first_test() {
assert_eq!(42, 43);
}
will report:
# my_first_test: ASSERTION FAILED at rust/kernel/lib.rs:251
Expected 42 == 43 to be true, but is false
# my_first_test.speed: normal
not ok 1 my_first_test
- Support tests with checked 'Result' return types.
The return value of test functions that return a 'Result' will be
checked, thus one can now easily catch errors when e.g. using the
'?' operator in tests.
With this, a failing test like:
#[test]
fn my_test() -> Result {
f()?;
Ok(())
}
will report:
# my_test: ASSERTION FAILED at rust/kernel/lib.rs:321
Expected is_test_result_ok(my_test()) to be true, but is false
# my_test.speed: normal
not ok 1 my_test
- Add 'kunit_tests' to the prelude.
- Clarify the remaining language unstable features in use.
- Compile 'core' with edition 2024 for Rust >= 1.87.
- Workaround 'bindgen' issue with forward references to 'enum' types.
- objtool: relax slice condition to cover more 'noreturn' functions.
- Use absolute paths in macros referencing 'core' and 'kernel' crates.
- Skip '-mno-fdpic' flag for bindgen in GCC 32-bit arm builds.
- Clean some 'doc_markdown' lint hits -- we may enable it later on.
'kernel' crate:
- 'alloc' module:
- 'Box': support for type coercion, e.g. 'Box<T>' to 'Box<dyn U>' if
'T' implements 'U'.
- 'Vec': implement new methods (prerequisites for nova-core and
binder): 'truncate', 'resize', 'clear', 'pop',
'push_within_capacity' (with new error type 'PushError'),
'drain_all', 'retain', 'remove' (with new error type
'RemoveError'), insert_within_capacity' (with new error type
'InsertError').
In addition, simplify 'push' using 'spare_capacity_mut', split
'set_len' into 'inc_len' and 'dec_len', add type invariant
'len <= capacity' and simplify 'truncate' using 'dec_len'.
- 'time' module:
- Morph the Rust hrtimer subsystem into the Rust timekeeping
subsystem, covering delay, sleep, timekeeping, timers. This new
subsystem has all the relevant timekeeping C maintainers listed in
the entry.
- Replace 'Ktime' with 'Delta' and 'Instant' types to represent a
duration of time and a point in time.
- Temporarily add 'Ktime' to 'hrtimer' module to allow 'hrtimer' to
delay converting to 'Instant' and 'Delta'.
- 'xarray' module:
- Add a Rust abstraction for the 'xarray' data structure. This
abstraction allows Rust code to leverage the 'xarray' to store
types that implement 'ForeignOwnable'. This support is a dependency
for memory backing feature of the Rust null block driver, which is
waiting to be merged.
- Set up an entry in 'MAINTAINERS' for the XArray Rust support.
Patches will go to the new Rust XArray tree and then via the Rust
subsystem tree for now.
- Allow 'ForeignOwnable' to carry information about the pointed-to
type. This helps asserting alignment requirements for the pointer
passed to the foreign language.
- 'container_of!': retain pointer mut-ness and add a compile-time check
of the type of the first parameter ('$field_ptr').
- Support optional message in 'static_assert!'.
- Add C FFI types (e.g. 'c_int') to the prelude.
- 'str' module: simplify KUnit tests 'format!' macro, convert
'rusttest' tests into KUnit, take advantage of the '-> Result'
support in KUnit '#[test]'s.
- 'list' module: add examples for 'List', fix path of 'assert_pinned!'
(so far unused macro rule).
- 'workqueue' module: remove 'HasWork::OFFSET'.
- 'page' module: add 'inline' attribute.
'macros' crate:
- 'module' macro: place 'cleanup_module()' in '.exit.text' section.
'pin-init' crate:
- Add 'Wrapper<T>' trait for creating pin-initializers for wrapper
structs with a structurally pinned value such as 'UnsafeCell<T>' or
'MaybeUninit<T>'.
- Add 'MaybeZeroable' derive macro to try to derive 'Zeroable', but
not error if not all fields implement it. This is needed to derive
'Zeroable' for all bindgen-generated structs.
- Add 'unsafe fn cast_[pin_]init()' functions to unsafely change the
initialized type of an initializer. These are utilized by the
'Wrapper<T>' implementations.
- Add support for visibility in 'Zeroable' derive macro.
- Add support for 'union's in 'Zeroable' derive macro.
- Upstream dev news: streamline CI, fix some bugs. Add new workflows
to check if the user-space version and the one in the kernel tree
have diverged. Use the issues tab [1] to track them, which should
help folks report and diagnose issues w.r.t. 'pin-init' better.
[1] https://github.com/rust-for-linux/pin-init/issues
Documentation:
- Testing: add docs on the new KUnit '#[test]' tests.
- Coding guidelines: explain that '///' vs. '//' applies to private
items too. Add section on C FFI types.
- Quick Start guide: update Ubuntu instructions and split them into
"25.04" and "24.04 LTS and older".
And a few other cleanups and improvements.
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Merge tag 'rust-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- KUnit '#[test]'s:
- Support KUnit-mapped 'assert!' macros.
The support that landed last cycle was very basic, and the
'assert!' macros panicked since they were the standard library
ones. Now, they are mapped to the KUnit ones in a similar way to
how is done for doctests, reusing the infrastructure there.
With this, a failing test like:
#[test]
fn my_first_test() {
assert_eq!(42, 43);
}
will report:
# my_first_test: ASSERTION FAILED at rust/kernel/lib.rs:251
Expected 42 == 43 to be true, but is false
# my_first_test.speed: normal
not ok 1 my_first_test
- Support tests with checked 'Result' return types.
The return value of test functions that return a 'Result' will
be checked, thus one can now easily catch errors when e.g. using
the '?' operator in tests.
With this, a failing test like:
#[test]
fn my_test() -> Result {
f()?;
Ok(())
}
will report:
# my_test: ASSERTION FAILED at rust/kernel/lib.rs:321
Expected is_test_result_ok(my_test()) to be true, but is false
# my_test.speed: normal
not ok 1 my_test
- Add 'kunit_tests' to the prelude.
- Clarify the remaining language unstable features in use.
- Compile 'core' with edition 2024 for Rust >= 1.87.
- Workaround 'bindgen' issue with forward references to 'enum' types.
- objtool: relax slice condition to cover more 'noreturn' functions.
- Use absolute paths in macros referencing 'core' and 'kernel'
crates.
- Skip '-mno-fdpic' flag for bindgen in GCC 32-bit arm builds.
- Clean some 'doc_markdown' lint hits -- we may enable it later on.
'kernel' crate:
- 'alloc' module:
- 'Box': support for type coercion, e.g. 'Box<T>' to 'Box<dyn U>'
if 'T' implements 'U'.
- 'Vec': implement new methods (prerequisites for nova-core and
binder): 'truncate', 'resize', 'clear', 'pop',
'push_within_capacity' (with new error type 'PushError'),
'drain_all', 'retain', 'remove' (with new error type
'RemoveError'), insert_within_capacity' (with new error type
'InsertError').
In addition, simplify 'push' using 'spare_capacity_mut', split
'set_len' into 'inc_len' and 'dec_len', add type invariant 'len
<= capacity' and simplify 'truncate' using 'dec_len'.
- 'time' module:
- Morph the Rust hrtimer subsystem into the Rust timekeeping
subsystem, covering delay, sleep, timekeeping, timers. This new
subsystem has all the relevant timekeeping C maintainers listed
in the entry.
- Replace 'Ktime' with 'Delta' and 'Instant' types to represent a
duration of time and a point in time.
- Temporarily add 'Ktime' to 'hrtimer' module to allow 'hrtimer'
to delay converting to 'Instant' and 'Delta'.
- 'xarray' module:
- Add a Rust abstraction for the 'xarray' data structure. This
abstraction allows Rust code to leverage the 'xarray' to store
types that implement 'ForeignOwnable'. This support is a
dependency for memory backing feature of the Rust null block
driver, which is waiting to be merged.
- Set up an entry in 'MAINTAINERS' for the XArray Rust support.
Patches will go to the new Rust XArray tree and then via the
Rust subsystem tree for now.
- Allow 'ForeignOwnable' to carry information about the pointed-to
type. This helps asserting alignment requirements for the
pointer passed to the foreign language.
- 'container_of!': retain pointer mut-ness and add a compile-time
check of the type of the first parameter ('$field_ptr').
- Support optional message in 'static_assert!'.
- Add C FFI types (e.g. 'c_int') to the prelude.
- 'str' module: simplify KUnit tests 'format!' macro, convert
'rusttest' tests into KUnit, take advantage of the '-> Result'
support in KUnit '#[test]'s.
- 'list' module: add examples for 'List', fix path of
'assert_pinned!' (so far unused macro rule).
- 'workqueue' module: remove 'HasWork::OFFSET'.
- 'page' module: add 'inline' attribute.
'macros' crate:
- 'module' macro: place 'cleanup_module()' in '.exit.text' section.
'pin-init' crate:
- Add 'Wrapper<T>' trait for creating pin-initializers for wrapper
structs with a structurally pinned value such as 'UnsafeCell<T>' or
'MaybeUninit<T>'.
- Add 'MaybeZeroable' derive macro to try to derive 'Zeroable', but
not error if not all fields implement it. This is needed to derive
'Zeroable' for all bindgen-generated structs.
- Add 'unsafe fn cast_[pin_]init()' functions to unsafely change the
initialized type of an initializer. These are utilized by the
'Wrapper<T>' implementations.
- Add support for visibility in 'Zeroable' derive macro.
- Add support for 'union's in 'Zeroable' derive macro.
- Upstream dev news: streamline CI, fix some bugs. Add new workflows
to check if the user-space version and the one in the kernel tree
have diverged. Use the issues tab [1] to track them, which should
help folks report and diagnose issues w.r.t. 'pin-init' better.
[1] https://github.com/rust-for-linux/pin-init/issues
Documentation:
- Testing: add docs on the new KUnit '#[test]' tests.
- Coding guidelines: explain that '///' vs. '//' applies to private
items too. Add section on C FFI types.
- Quick Start guide: update Ubuntu instructions and split them into
"25.04" and "24.04 LTS and older".
And a few other cleanups and improvements"
* tag 'rust-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (78 commits)
rust: list: Fix typo `much` in arc.rs
rust: check type of `$ptr` in `container_of!`
rust: workqueue: remove HasWork::OFFSET
rust: retain pointer mut-ness in `container_of!`
Documentation: rust: testing: add docs on the new KUnit `#[test]` tests
Documentation: rust: rename `#[test]`s to "`rusttest` host tests"
rust: str: take advantage of the `-> Result` support in KUnit `#[test]`'s
rust: str: simplify KUnit tests `format!` macro
rust: str: convert `rusttest` tests into KUnit
rust: add `kunit_tests` to the prelude
rust: kunit: support checked `-> Result`s in KUnit `#[test]`s
rust: kunit: support KUnit-mapped `assert!` macros in `#[test]`s
rust: make section names plural
rust: list: fix path of `assert_pinned!`
rust: compile libcore with edition 2024 for 1.87+
rust: dma: add missing Markdown code span
rust: task: add missing Markdown code spans and intra-doc links
rust: pci: fix docs related to missing Markdown code spans
rust: alloc: add missing Markdown code span
rust: alloc: add missing Markdown code spans
...
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Merge tag 'pci-v6.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Print the actual delay time in pci_bridge_wait_for_secondary_bus()
instead of assuming it was 1000ms (Wilfred Mallawa)
- Revert 'iommu/amd: Prevent binding other PCI drivers to IOMMU PCI
devices', which broke resume from system sleep on AMD platforms and
has been fixed by other commits (Lukas Wunner)
Resource management:
- Remove mtip32xx use of pcim_iounmap_regions(), which is deprecated
and unnecessary (Philipp Stanner)
- Remove pcim_iounmap_regions() and pcim_request_region_exclusive()
and related flags since all uses have been removed (Philipp
Stanner)
- Rework devres 'request' functions so they are no longer 'hybrid',
i.e., their behavior no longer depends on whether
pcim_enable_device or pci_enable_device() was used, and remove
related code (Philipp Stanner)
- Warn (not BUG()) about failure to assign optional resources (Ilpo
Järvinen)
Error handling:
- Log the DPC Error Source ID only when it's actually valid (when
ERR_FATAL or ERR_NONFATAL was received from a downstream device)
and decode into bus/device/function (Bjorn Helgaas)
- Determine AER log level once and save it so all related messages
use the same level (Karolina Stolarek)
- Use KERN_WARNING, not KERN_ERR, when logging PCIe Correctable
Errors (Karolina Stolarek)
- Ratelimit PCIe Correctable and Non-Fatal error logging, with sysfs
controls on interval and burst count, to avoid flooding logs and
RCU stall warnings (Jon Pan-Doh)
Power management:
- Increment PM usage counter when probing reset methods so we don't
try to read config space of a powered-off device (Alex Williamson)
- Set all devices to D0 during enumeration to ensure ACPI opregion is
connected via _REG (Mario Limonciello)
Power control:
- Rename pwrctrl Kconfig symbols from 'PWRCTL' to 'PWRCTRL' to match
the filename paths. Retain old deprecated symbols for
compatibility, except for the pwrctrl slot driver
(PCI_PWRCTRL_SLOT) (Johan Hovold)
- When unregistering pwrctrl, cancel outstanding rescan work before
cleaning up data structures to avoid use-after-free issues (Brian
Norris)
Bandwidth control:
- Simplify link bandwidth controller by replacing the count of Link
Bandwidth Management Status (LBMS) events with a PCI_LINK_LBMS_SEEN
flag (Ilpo Järvinen)
- Update the Link Speed after retraining, since the Link Speed may
have changed (Ilpo Järvinen)
PCIe native device hotplug:
- Ignore Presence Detect Changed caused by DPC.
pciehp already ignores Link Down/Up events caused by DPC, but on
slots using in-band presence detect, DPC causes a spurious Presence
Detect Changed event (Lukas Wunner)
- Ignore Link Down/Up caused by Secondary Bus Reset.
On hotplug ports using in-band presence detect, the reset causes a
Presence Detect Changed event, which mistakenly caused teardown and
re-enumeration of the device. Drivers may need to annotate code
that resets their device (Lukas Wunner)
Virtualization:
- Add an ACS quirk for Loongson Root Ports that don't advertise ACS
but don't allow peer-to-peer transactions between Root Ports; the
quirk allows each Root Port to be in a separate IOMMU group (Huacai
Chen)
Endpoint framework:
- For fixed-size BARs, retain both the actual size and the possibly
larger size allocated to accommodate iATU alignment requirements
(Jerome Brunet)
- Simplify ctrl/SPAD space allocation and avoid allocating more space
than needed (Jerome Brunet)
- Correct MSI-X PBA offset calculations for DesignWare and Cadence
endpoint controllers (Niklas Cassel)
- Align the return value (number of interrupts) encoding for
pci_epc_get_msi()/pci_epc_ops::get_msi() and
pci_epc_get_msix()/pci_epc_ops::get_msix() (Niklas Cassel)
- Align the nr_irqs parameter encoding for
pci_epc_set_msi()/pci_epc_ops::set_msi() and
pci_epc_set_msix()/pci_epc_ops::set_msix() (Niklas Cassel)
Common host controller library:
- Convert pci-host-common to a library so platforms that don't need
native host controller drivers don't need to include these helper
functions (Manivannan Sadhasivam)
Apple PCIe controller driver:
- Extract ECAM bridge creation helper from pci_host_common_probe() to
separate driver-specific things like MSI from PCI things (Marc
Zyngier)
- Dynamically allocate RID-to_SID bitmap to prepare for SoCs with
varying capabilities (Marc Zyngier)
- Skip ports disabled in DT when setting up ports (Janne Grunau)
- Add t6020 compatible string (Alyssa Rosenzweig)
- Add T602x PCIe support (Hector Martin)
- Directly set/clear INTx mask bits because T602x dropped the
accessors that could do this without locking (Marc Zyngier)
- Move port PHY registers to their own reg items to accommodate
T602x, which moves them around; retain default offsets for existing
DTs that lack phy%d entries with the reg offsets (Hector Martin)
- Stop polling for core refclk, which doesn't work on T602x and the
bootloader has already done anyway (Hector Martin)
- Use gpiod_set_value_cansleep() when asserting PERST# in probe
because we're allowed to sleep there (Hector Martin)
Cadence PCIe controller driver:
- Drop a runtime PM 'put' to resolve a runtime atomic count underflow
(Hans Zhang)
- Make the cadence core buildable as a module (Kishon Vijay Abraham I)
- Add cdns_pcie_host_disable() and cdns_pcie_ep_disable() for use by
loadable drivers when they are removed (Siddharth Vadapalli)
Freescale i.MX6 PCIe controller driver:
- Apply link training workaround only on IMX6Q, IMX6SX, IMX6SP
(Richard Zhu)
- Remove redundant dw_pcie_wait_for_link() from
imx_pcie_start_link(); since the DWC core does this, imx6 only
needs it when retraining for a faster link speed (Richard Zhu)
- Toggle i.MX95 core reset to align with PHY powerup (Richard Zhu)
- Set SYS_AUX_PWR_DET to work around i.MX95 ERR051624 erratum: in
some cases, the controller can't exit 'L23 Ready' through Beacon or
PERST# deassertion (Richard Zhu)
- Clear GEN3_ZRXDC_NONCOMPL to work around i.MX95 ERR051586 erratum:
controller can't meet 2.5 GT/s ZRX-DC timing when operating at 8
GT/s, causing timeouts in L1 (Richard Zhu)
- Wait for i.MX95 PLL lock before enabling controller (Richard Zhu)
- Save/restore i.MX95 LUT for suspend/resume (Richard Zhu)
Mobiveil PCIe controller driver:
- Return bool (not int) for link-up check in
mobiveil_pab_ops.link_up() and layerscape-gen4, mobiveil (Hans
Zhang)
NVIDIA Tegra194 PCIe controller driver:
- Create debugfs directory for 'aspm_state_cnt' only when
CONFIG_PCIEASPM is enabled, since there are no other entries (Hans
Zhang)
Qualcomm PCIe controller driver:
- Add OF support for parsing DT 'eq-presets-<N>gts' property for lane
equalization presets (Krishna Chaitanya Chundru)
- Read Maximum Link Width from the Link Capabilities register if DT
lacks 'num-lanes' property (Krishna Chaitanya Chundru)
- Add Physical Layer 64 GT/s Capability ID and register offsets for
8, 32, and 64 GT/s lane equalization registers (Krishna Chaitanya
Chundru)
- Add generic dwc support for configuring lane equalization presets
(Krishna Chaitanya Chundru)
- Add DT and driver support for PCIe on IPQ5018 SoC (Nitheesh Sekar)
Renesas R-Car PCIe controller driver:
- Describe endpoint BAR 4 as being fixed size (Jerome Brunet)
- Document how to obtain R-Car V4H (r8a779g0) controller firmware
(Yoshihiro Shimoda)
Rockchip PCIe controller driver:
- Reorder rockchip_pci_core_rsts because
reset_control_bulk_deassert() deasserts in reverse order, to fix a
link training regression (Jensen Huang)
- Mark RK3399 as being capable of raising INTx interrupts (Niklas
Cassel)
Rockchip DesignWare PCIe controller driver:
- Check only PCIE_LINKUP, not LTSSM status, to determine whether the
link is up (Shawn Lin)
- Increase N_FTS (used in L0s->L0 transitions) and enable ASPM L0s
for Root Complex and Endpoint modes (Shawn Lin)
- Hide the broken ATS Capability in rockchip_pcie_ep_init() instead
of rockchip_pcie_ep_pre_init() so it stays hidden after PERST#
resets non-sticky registers (Shawn Lin)
- Call phy_power_off() before phy_exit() in rockchip_pcie_phy_deinit()
(Diederik de Haas)
Synopsys DesignWare PCIe controller driver:
- Set PORT_LOGIC_LINK_WIDTH to one lane to make initial link training
more robust; this will not affect the intended link width if all
lanes are functional (Wenbin Yao)
- Return bool (not int) for link-up check in dw_pcie_ops.link_up()
and armada8k, dra7xx, dw-rockchip, exynos, histb, keembay,
keystone, kirin, meson, qcom, qcom-ep, rcar_gen4, spear13xx,
tegra194, uniphier, visconti (Hans Zhang)
- Add debugfs support for exposing DWC device-specific PTM context
(Manivannan Sadhasivam)
TI J721E PCIe driver:
- Make j721e buildable as a loadable and removable module (Siddharth
Vadapalli)
- Fix j721e host/endpoint dependencies that result in link failures
in some configs (Arnd Bergmann)
Device tree bindings:
- Add qcom DT binding for 'global' interrupt (PCIe controller and
link-specific events) for ipq8074, ipq8074-gen3, ipq6018, sa8775p,
sc7280, sc8180x sdm845, sm8150, sm8250, sm8350 (Manivannan
Sadhasivam)
- Add qcom DT binding for 8 MSI SPI interrupts for msm8998, ipq8074,
ipq8074-gen3, ipq6018 (Manivannan Sadhasivam)
- Add dw rockchip DT binding for rk3576 and rk3562 (Kever Yang)
- Correct indentation and style of examples in brcm,stb-pcie,
cdns,cdns-pcie-ep, intel,keembay-pcie-ep, intel,keembay-pcie,
microchip,pcie-host, rcar-pci-ep, rcar-pci-host, xilinx-versal-cpm
(Krzysztof Kozlowski)
- Convert Marvell EBU (dove, kirkwood, armada-370, armada-xp) and
armada8k from text to schema DT bindings (Rob Herring)
- Remove obsolete .txt DT bindings for content that has been moved to
schemas (Rob Herring)
- Add qcom DT binding for MHI registers in IPQ5332, IPQ6018, IPQ8074
and IPQ9574 (Varadarajan Narayanan)
- Convert v3,v360epc-pci from text to DT schema binding (Rob Herring)
- Change microchip,pcie-host DT binding to be 'dma-noncoherent' since
PolarFire may be configured that way (Conor Dooley)
Miscellaneous:
- Drop 'pci' suffix from intel_mid_pci.c filename to match similar
files (Andy Shevchenko)
- All platforms with PCI have an MMU, so add PCI Kconfig dependency
on MMU to simplify build testing and avoid inadvertent build
regressions (Arnd Bergmann)
- Update Krzysztof Wilczyński's email address in MAINTAINERS
(Krzysztof Wilczyński)
- Update Manivannan Sadhasivam's email address in MAINTAINERS
(Manivannan Sadhasivam)"
* tag 'pci-v6.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (147 commits)
MAINTAINERS: Update Manivannan Sadhasivam email address
PCI: j721e: Fix host/endpoint dependencies
PCI: j721e: Add support to build as a loadable module
PCI: cadence-ep: Introduce cdns_pcie_ep_disable() helper for cleanup
PCI: cadence-host: Introduce cdns_pcie_host_disable() helper for cleanup
PCI: cadence: Add support to build pcie-cadence library as a kernel module
MAINTAINERS: Update Krzysztof Wilczyński email address
PCI: Remove unnecessary linesplit in __pci_setup_bridge()
PCI: WARN (not BUG()) when we fail to assign optional resources
PCI: Remove unused pci_printk()
PCI: qcom: Replace PERST# sleep time with proper macro
PCI: dw-rockchip: Replace PERST# sleep time with proper macro
PCI: host-common: Convert to library for host controller drivers
PCI/ERR: Remove misleading TODO regarding kernel panic
PCI: cadence: Remove duplicate message code definitions
PCI: endpoint: Align pci_epc_set_msix(), pci_epc_ops::set_msix() nr_irqs encoding
PCI: endpoint: Align pci_epc_set_msi(), pci_epc_ops::set_msi() nr_irqs encoding
PCI: endpoint: Align pci_epc_get_msix(), pci_epc_ops::get_msix() return value encoding
PCI: endpoint: Align pci_epc_get_msi(), pci_epc_ops::get_msi() return value encoding
PCI: cadence-ep: Correct PBA offset in .set_msix() callback
...
Neal Cardwell
Yajun Deng
Arkadiusz Kubalewski
John Madieu
Jakub Kicinski
Donald Hunter
Geert Uytterhoeven
Karol Kolacinski
Krzysztof Kozlowski
Linus Torvalds
Masahiro Yamada
Dave Airlie
Palmer Dabbelt
Khaled Elnaggar
Alexandre Ghiti
Andy Chiu
Karthik Poosa
Meetakshi Setiya