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On the pxav3 controller, increasing the drive strength of the data pins
might be required to maintain stability on fast bus clocks (above 100
MHz). Add a state_uhs pinctrl to allow this.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
Link: https://lore.kernel.org/r/20250821-pxav3-uhs-v4-1-bb588314f3c3@dujemihanovic.xyz
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add the board imx91-11x11-evk in the binding document.
Signed-off-by: Pengfei Li <pengfei.li_1@nxp.com>
Signed-off-by: Joy Zou <joy.zou@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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TQMLS1012AL is a SOM using NXP LS1012A CPU. MBLS1012AL is a carrier
reference design.
[1] https://www.tq-group.com/en/products/tq-embedded/qoriq-layerscape/tqmls1012al
Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Convert lpc32xx-key.txt to yaml format.
Additional changes:
- set maximum of key-row(column) to 4.
- add ref to matrix-keymap.yaml.
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250818183814.3603308-1-Frank.Li@nxp.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
- Fix NULL de-ref in css_rstat_exit() which could happen after
allocation failure
- Fix a cpuset partition handling bug and a couple other misc issues
- Doc spelling fix
* tag 'cgroup-for-6.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
docs: cgroup: fixed spelling mistakes in documentation
cgroup: avoid null de-ref in css_rstat_exit()
cgroup/cpuset: Remove the unnecessary css_get/put() in cpuset_partition_write()
cgroup/cpuset: Fix a partition error with CPU hotplug
cgroup/cpuset: Use static_branch_enable_cpuslocked() on cpusets_insane_config_key
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of fairly minor device specific fixes that came in over the
past week or so, plus the addition of an actual maintainer for the
IR38060"
* tag 'regulator-fix-v6.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: tps65219: regulator: tps65219: Fix error codes in probe()
regulator: pca9450: Use devm_register_sys_off_handler
regulator: dt-bindings: infineon,ir38060: Add Guenter as maintainer from IBM
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Makes it more adehent with modern Sphinx LaTeX build setup as
defined at:
https://www.sphinx-doc.org/en/master/latex.html
There, it suggests:
1) to add: 'printindex'
“printindex” call, the last thing in the file. Override if you want to generate
the index differently, append some content after the index, or change the font.
As LaTeX uses two-column mode for the index it is often advisable to set this
key to r'\footnotesize\raggedright\printindex'.
This indeed solved a corner case on a distro where the index was not properly
generated.
2) to add at the main example:
\PassOptionsToPackage{svgnames}{xcolor}
3) I got a corner case on one of the distros was using xindy to produce
indexes. This ended causing the build logic to incorretly try to use
T1 fontenc, which is not UTF-8 compatible.
This patch adds:
\PassOptionsToPackage{xindy}{language=english,codepage=utf8,noautomatic}
to cover such case. It should be noticed that, as the config doesn't
have \usepackage{xindy}, this will be used only if latexmk ends
using xindy.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/08d16c2ad817910eb5606842f776d3f77d83282f.1755763127.git.mchehab+huawei@kernel.org
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While PDF docs work fine on RPM-based distros, it causes conflicts
on Debian & friends.
There are multiple root causes here:
- the latex_elements still resambles the one from Sphinx 1.x
times, where font configurations were stored under
"preamble". It doesn't follow the current recommended way from
Sphinx documentation:
https://www.sphinx-doc.org/en/master/latex.html
- instead of setting the main font, from where other fonts are
derivated, it sets romanfont;
- "fontenc" is not set. This allows the *.tex output file to
contain an UTF-8 incompatible fontset:
\usepackage[T1]{fontenc}
Address such issues to help preventing incompatible usage of
both T1 font and UTF-8 ones that comes from DejaVu font
family.
On some distros, this even generate a LaTeX font warning about
corrupted NFSS tables like this (I got it when running it in
interactive mode):
Package: fontenc 2021/04/29 v2.0v Standard LaTeX package
LaTeX Font Info: Trying to load font information for T1+lmr on input line 11
6.
LaTeX Font Info: No file T1lmr.fd. on input line 116.
LaTeX Font Warning: Font shape `T1/lmr/m/n' undefined
(Font) using `T1/lmr/m/n' instead on input line 116.
! Corrupted NFSS tables.
wrong@fontshape ...message {Corrupted NFSS tables}
error@fontshape else let f...
l.116 ...\familydefault\seriesdefault\shapedefault
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/8104ce56a5ea3509fbb56a8163b779d38a6aaa9c.1755763127.git.mchehab+huawei@kernel.org
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Instead of adding extra weird indentation at the tex
file, use dedent(). While here, also use r-strings, to make
easier to make its content identical to the .tex output.
While here, also merge "preamble" that was added on two
separate parts of the code (in the past, there were some
version-specific checks).
No functional changes, just cosmetic ones.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0d245fbd872ab3ec21bd8fe78b01340ba77ce365.1755763127.git.mchehab+huawei@kernel.org
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Currently, the logic uses fn and doc vars, but they don't
properly describe what such vars do.
Make them clearer:
- fname: points to the file name to search (index.rst);
- doc: contains the name of the LaTeX or PDF doc to
be produced.
With that, the checks for SPHINXDIRS and for subdirs will
be more coherent.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/b030d9bc53550905adbe9367b2a3915d7331b4c5.1755763127.git.mchehab+huawei@kernel.org
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When SPHINXDIRS is used, the current logic produces a wrong
list of files, as it will not pick the SPHINXDIRS directory,
picking instead their children.
Add a rule to detect it and create the PDF doc with the right
name.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/183f630643eacf414cfa8d892f03dd1b1055c21e.1755763127.git.mchehab+huawei@kernel.org
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The original logic assumed that app.srcdir is identical to the
current working dir. This is the case for a normal build, but,
when SPHINXDIRS="some dir" is used, this is not the case anymore.
Adjust the logic to fill the LaTeX documents considering
app.srcdir, in a way that it will work properly on all cases.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/de23b35a770210950c609deaa32b98cb3673a53a.1755763127.git.mchehab+huawei@kernel.org
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According with:
https://www.sphinx-doc.org/en/master/latex.html
The variable that handles paper size changed during version 1.5,
as pointed at:
https://www.sphinx-doc.org/en/master/changes/1.5.html
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/c50db42ead36010fd42ce1e6a2b9da766c11927b.1755763127.git.mchehab+huawei@kernel.org
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The documents explain the design concepts behind PREEMPT_RT and highlight key
differences necessary to achieve it.
It also include a list of requirements that must be fulfilled to support
PREEMPT_RT on a given architecture.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[jc: tweaked "how they differ" section head]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-4-bigeasy@linutronix.de
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Add new vendor string to dt bindings.
This new vendor string is used by
- ESWIN EIC770X SoC
- HiFive Premier P550 board which uses EIC7700 SoC.
Link: https://www.eswin.com/en/
Signed-off-by: Pritesh Patel <pritesh.patel@einfochips.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Pinkesh Vaghela <pinkesh.vaghela@einfochips.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250616112316.3833343-4-pinkesh.vaghela@einfochips.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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local_lock_nested_bh() is used within networking where applicable.
Document why it is used and how it behaves.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-3-bigeasy@linutronix.de
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Add a SPDX identifier. The majority of the document has been written by
Ahmed S. Darwish.
Cc: Ahmed S. Darwish <darwi@linutronix.de>
Acked-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-2-bigeasy@linutronix.de
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propagate_umount.txt
in Documentation/filesystems/propagate_umount.txt:
line 289: remove whitespace on blank line
line 315: remove duplicate "that"
line 364: remove duplicate "in"
Signed-off-by: Raphael Pinsonneault-Thibeault <rpthibeault@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250818181934.55491-2-rpthibeault@gmail.com
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Cross-merge networking fixes after downstream PR (net-6.17-rc3).
No conflicts or adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a few missing directories under /proc/sys.
Fix punctuation and doubled words.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Reviewed-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819075456.113623-1-rdunlap@infradead.org
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-Changed 'Dyamically' to 'Dynamically' in trace/events.rst
under sections 7.1 and 7.3
Signed-off-by: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819085040.974388-1-mehdi.benhadjkhelifa@gmail.com
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Fix documentation issues by removing a duplicated word and adding the
missing SPDX-License identifier.
Signed-off-by: Bartlomiej Kubik <kubik.bartlomiej@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819113551.34356-1-kubik.bartlomiej@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth.
Current release - fix to a fix:
- usb: asix_devices: fix PHY address mask in MDIO bus initialization
Current release - regressions:
- Bluetooth: fixes for the split between BIS_LINK and PA_LINK
- Revert "net: cadence: macb: sama7g5_emac: Remove USARIO CLKEN
flag", breaks compatibility with some existing device tree blobs
- dsa: b53: fix reserved register access in b53_fdb_dump()
Current release - new code bugs:
- sched: dualpi2: run probability update timer in BH to avoid
deadlock
- eth: libwx: fix the size in RSS hash key population
- pse-pd: pd692x0: improve power budget error paths and handling
Previous releases - regressions:
- tls: fix handling of zero-length records on the rx_list
- hsr: reject HSR frame if skb can't hold tag
- bonding: fix negotiation flapping in 802.3ad passive mode
Previous releases - always broken:
- gso: forbid IPv6 TSO with extensions on devices with only IPV6_CSUM
- sched: make cake_enqueue return NET_XMIT_CN when past buffer_limit,
avoid packet drops with low buffer_limit, remove unnecessary WARN()
- sched: fix backlog accounting after modifying config of a qdisc in
the middle of the hierarchy
- mptcp: improve handling of skb extension allocation failures
- eth: mlx5:
- fixes for the "HW Steering" flow management method
- fixes for QoS and device buffer management"
* tag 'net-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits)
netfilter: nf_reject: don't leak dst refcount for loopback packets
net/mlx5e: Preserve shared buffer capacity during headroom updates
net/mlx5e: Query FW for buffer ownership
net/mlx5: Restore missing scheduling node cleanup on vport enable failure
net/mlx5: Fix QoS reference leak in vport enable error path
net/mlx5: Destroy vport QoS element when no configuration remains
net/mlx5e: Preserve tc-bw during parent changes
net/mlx5: Remove default QoS group and attach vports directly to root TSAR
net/mlx5: Base ECVF devlink port attrs from 0
net: pse-pd: pd692x0: Skip power budget configuration when undefined
net: pse-pd: pd692x0: Fix power budget leak in manager setup error path
Octeontx2-af: Skip overlap check for SPI field
selftests: tls: add tests for zero-length records
tls: fix handling of zero-length records on the rx_list
net: airoha: ppe: Do not invalid PPE entries in case of SW hash collision
selftests: bonding: add test for passive LACP mode
bonding: send LACPDUs periodically in passive mode after receiving partner's LACPDU
bonding: update LACP activity flag after setting lacp_active
Revert "net: cadence: macb: sama7g5_emac: Remove USARIO CLKEN flag"
ipv6: sr: Fix MAC comparison to be constant-time
...
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toctree index in USB driver api docs currently spoils the entire docs
headings due to lack of :maxdepth: option. Add the option to limit
toctree depth to 1, mirroring usb subsystem docs in
Documentation/usb/index.rst.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250820050416.25219-1-bagasdotme@gmail.com
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Remove a repeated "are" from a comment in conf.py
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250820194714.130513-2-albinbabuvarghese20@gmail.com
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The compiler information is outdated. Update it to the latest.
Reviewed-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://lore.kernel.org/r/20250820233817.4050006-1-lizhi.hou@amd.com
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The usage of underscores is no longer allowed for the 'name' format in
the yaml spec. Instead, dashes should be used. This fixes the build
issue reported by Thorsten that showed up on linux-next.
Note this change has no impact on C code.
Cc: Jakub Kicinski <kuba@kernel.org>
Reported-by: Thorsten Leemhuis <linux@leemhuis.info>
Closes: https://lore.kernel.org/all/e21744a4-0155-40ec-b8c1-d81b14107c9f@leemhuis.info/
Fixes: 63740349eba7 ("binder: introduce transaction reports via netlink")
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20250821135522.2878772-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Enable multiple SCMI instances by appending an instance-number suffix
to the 'scmi' node name. The SCMI spec assumes a single SCMI platform,
but in practice its responsibilities may be split across several SCMI
platform/server instances. However, only one instance can serve as the
system-wide (true) SCMI platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Signed-off-by: Deepti Jaggi <quic_djaggi@quicinc.com>
Message-Id: <20250730-8255-scmi-v6-1-a7d8ba19aded@quicinc.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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The DTS code coding style expects exactly one space around '='
character.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250821083100.46340-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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The DT binding for RP1 pin controller currently lacks the group
definitions.
Add groups enumeration to the schema.
Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20250812084639.13442-1-andrea.porta@suse.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add description and high-level diagram for PPE, driver overview and
module enable/debug information.
Signed-off-by: Lei Wei <quic_leiwei@quicinc.com>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://patch.msgid.link/20250818-qcom_ipq_ppe-v8-2-1d4ff641fce9@quicinc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The PPE (packet process engine) hardware block is available in Qualcomm
IPQ chipsets that support PPE architecture, such as IPQ9574. The PPE in
the IPQ9574 SoC includes six Ethernet ports (6 GMAC and 6 XGMAC), which
are used to connect with external PHY devices by PCS. It includes an L2
switch function for bridging packets among the 6 Ethernet ports and the
CPU port. The CPU port enables packet transfer between the Ethernet ports
and the ARM cores in the SoC, using the Ethernet DMA.
The PPE also includes packet processing offload capabilities for various
networking functions such as route and bridge flows, VLANs, different
tunnel protocols and VPN.
The PPE switch is modeled according to the Ethernet switch schema, with
additional properties defined for the switch node for interrupts, clocks,
resets, interconnects and Ethernet DMA. The switch port node is extended
with additional properties for clocks and resets.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://patch.msgid.link/20250818-qcom_ipq_ppe-v8-1-1d4ff641fce9@quicinc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When CONFIG_TMPFS is enabled, the initial root filesystem is a tmpfs.
By default, a tmpfs mount is limited to using 50% of the available RAM
for its content. This can be problematic in memory-constrained
environments, particularly during a kdump capture.
In a kdump scenario, the capture kernel boots with a limited amount of
memory specified by the 'crashkernel' parameter. If the initramfs is
large, it may fail to unpack into the tmpfs rootfs due to insufficient
space. This is because to get X MB of usable space in tmpfs, 2*X MB of
memory must be available for the mount. This leads to an OOM failure
during the early boot process, preventing a successful crash dump.
This patch introduces a new kernel command-line parameter,
initramfs_options, which allows passing specific mount options directly
to the rootfs when it is first mounted. This gives users control over
the rootfs behavior.
For example, a user can now specify initramfs_options=size=75% to allow
the tmpfs to use up to 75% of the available memory. This can
significantly reduce the memory pressure for kdump.
Consider a practical example:
To unpack a 48MB initramfs, the tmpfs needs 48MB of usable space. With
the default 50% limit, this requires a memory pool of 96MB to be
available for the tmpfs mount. The total memory requirement is therefore
approximately: 16MB (vmlinuz) + 48MB (loaded initramfs) + 48MB (unpacked
kernel) + 96MB (for tmpfs) + 12MB (runtime overhead) ≈ 220MB.
By using initramfs_options=size=75%, the memory pool required for the
48MB tmpfs is reduced to 48MB / 0.75 = 64MB. This reduces the total
memory requirement by 32MB (96MB - 64MB), allowing the kdump to succeed
with a smaller crashkernel size, such as 192MB.
An alternative approach of reusing the existing rootflags parameter was
considered. However, a new, dedicated initramfs_options parameter was
chosen to avoid altering the current behavior of rootflags (which
applies to the final root filesystem) and to prevent any potential
regressions.
Also add documentation for the new kernel parameter "initramfs_options"
This approach is inspired by prior discussions and patches on the topic.
Ref: https://www.lightofdawn.org/blog/?viewDetailed=00128
Ref: https://landley.net/notes-2015.html#01-01-2015
Ref: https://lkml.org/lkml/2021/6/29/783
Ref: https://www.kernel.org/doc/html/latest/filesystems/ramfs-rootfs-initramfs.html#what-is-rootfs
Signed-off-by: Lichen Liu <lichliu@redhat.com>
Link: https://lore.kernel.org/20250815121459.3391223-1-lichliu@redhat.com
Tested-by: Rob Landley <rob@landley.net>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add DT compatible string for the i.MX8ULP EVK9 board.
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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There is an interrupt line connected to the one-wire block on
the i.MX51 and i.MX53.
Add an entry for the interrupt property to avoid the following dt-schema
warning:
'interrupts' does not match any of the regexes: '^pinctrl-[0-9]+$'
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250819121344.2765940-1-festevam@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In Documentation/staging/crc32.rst, below errors have been corrected:
1. Line 37: from "to being" to "to bring"
2. Line 119: Incorrect citation date:
It must be August 1988 instead of August 1998
Signed-off-by: Rakuram Eswaran <rakuram.e96@gmail.com>
Link: https://lore.kernel.org/r/20250820162615.6942-1-rakuram.e96@gmail.com
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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SO_RCVBUF and SO_SNDBUF have limited range today, unless
distros or system admins change rmem_max and wmem_max.
Even iproute2 uses 1 MB SO_RCVBUF which is capped by
the kernel.
Decouple [rw]mem_max and [rw]mem_default and increase
[rw]mem_max to 4 MB.
Before:
$ sysctl net.core.rmem_default net.core.rmem_max net.core.wmem_default net.core.wmem_max
net.core.rmem_default = 212992
net.core.rmem_max = 212992
net.core.wmem_default = 212992
net.core.wmem_max = 212992
After:
$ sysctl net.core.rmem_default net.core.rmem_max net.core.wmem_default net.core.wmem_max
net.core.rmem_default = 212992
net.core.rmem_max = 4194304
net.core.wmem_default = 212992
net.core.wmem_max = 4194304
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20250819174030.1986278-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The existing cpio extraction logic reads (maximum PATH_MAX) name_len
bytes from the archive into the collected name buffer and ensures that
the trailing byte is a null-terminator. This allows the actual file name
to be shorter than name_len, with the name string simply zero-terminated
prior to the last byte.
Initramfs generators, such as dracut-cpio[1], can take advantage of name
zero-padding to align file data segments within the archive to
filesystem block boundaries. Block boundary alignment may allow the
copy_file_range syscall to reflink archive source and destination
extents.
Link: https://github.com/dracutdevs/dracut/commit/300e4b116c624bca1b9e7251708b1ae656fe9157 [1]
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://lore.kernel.org/r/20250819032607.28727-7-ddiss@suse.de
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
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Here is a list of conventions applied here:
- Don't mark up function names, to be taken care of by the automarkup
extension. Just say func().
- Instead of ".. code-block:: none", just say "::".
- Mark inline literals by a pair of ``xxxx``. Don't use rust doc's
dialect of `yyyy`.
- Instead of emphasizing headings by **strong emphasis**, use sub-level
title adornments, in this case "^^^^^^^^^^" and make them proper
sub-sections under "Hotplug CPU".
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Also note that RCU guards can be easier to use.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Bring this file kicking and screaming into the year 2025!
[ paulmck: Apply feedback from Bagas Sanjaya. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Merge series from Jihed Chaibi <jihed.chaibi.dev@gmail.com>:
This series converts the legacy TXT bindings for the TI TWL4030
sound-related modules to the modern YAML DT schema format.
This work was previously part of a larger series but is now being sent
as a focused submission for the ASoC subsystem.
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found/fixed the following typos
- deivces -> devices
- substracting -> subtracting
in `Documentation/ABI/testing/sysfs-fs-f2fs`
Signed-off-by: Soham Metha <sohammetha01@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch allows privileged users to reserve nodes via the
'reserve_node' mount option, which is similar to the existing
'reserve_root' option.
"-o reserve_node=<N>" means <N> nodes are reserved for privileged
users only.
Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Currently, we have encountered some issues while testing ZUFS. In
situations near the storage limit (e.g., 50GB remaining), and after
simulating fragmentation by repeatedly writing and deleting data, we found
that application installation and startup tests conducted after idling for
a few minutes take significantly longer several times that of traditional
UFS. Tracing the operations revealed that the majority of I/Os were issued
by background GC, which blocks normal I/O operations.
Under normal circumstances, ZUFS indeed requires more background GC and
employs a more aggressive GC strategy. However, I aim to find a way to
minimize the impact on regular I/O operations under these near-limit
conditions. To address this, I have introduced a bggc_io_aware feature,
which controls the prioritization of background GC in the presence of I/Os.
This switch can be adjusted at the framework level to implement different
strategies. If set to AWARE_ALL_IO, all background GC operations will be
skipped during active I/O issuance. The default option remains consistent
with the current strategy, ensuring no change in behavior.
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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"clock-names"
Add the undocumented NVIDIA APBDMA compatibles and "clock-names" which
are already in use. There doesn't appear to be any per compatible
differences.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250812203308.727731-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add compatible string for the supported eDP PHY on QCS8300 platform.
QCS8300 have the same eDP PHY with SA8775P.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yongxing Mou <quic_yongmou@quicinc.com>
Link: https://lore.kernel.org/r/20250730072725.1433360-1-quic_yongmou@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document the USB2 PHY controller for the Renesas RZ/T2H (r9a09g077) and
RZ/N2H (r9a09g087) SoCs. These SoCs share the same PHY block, which is
similar to the one on RZ/G2L but differs in clocks, resets, and register
bits. To account for these differences, a new compatible string
`renesas,usb2-phy-r9a09g077` is introduced.
The RZ/N2H SoC uses the same PHY as RZ/T2H, so it reuses the RZ/T2H
compatible string as a fallback.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20250808215209.3692744-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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allow mode-switch
The QMP USB3/DP Combo PHY can work in 3 modes:
- DisplayPort Only
- USB3 Only
- USB3 + DisplayPort Combo mode
In order to switch between those modes, the PHY needs to receive
Type-C events, allow marking to the phy with the mode-switch
property in order to allow the PHY to Type-C events.
Reference usb-switch.yaml as a simpler way to allow the mode-switch
property instead of duplicating the property definition.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on Lenovo Thinkpad T14S
Link: https://lore.kernel.org/r/20250807-topic-4ln_dp_respin-v4-1-43272d6eca92@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Convert the legacy TXT binding for the OMAP TWL4030 sound card
to the modern YAML DT schema format. This adds formal validation
and improves documentation.
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250819201302.80712-3-jihed.chaibi.dev@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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