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Update the translation of .../rust/coding-guidelines.rst into Chinese.
Update the translation through commit 4a9cb2eecc78
("docs: rust: add section on imports formatting")
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Ben Guo <ben.guo@openatom.club>
Signed-off-by: Alex Shi <alexs@kernel.org>
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Update the translation of .../rust/arch-support.rst into Chinese.
Update the translation through commit ccb8ce526807
("ARM: 9441/1: rust: Enable Rust support for ARMv7")
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Ben Guo <ben.guo@openatom.club>
Signed-off-by: Alex Shi <alexs@kernel.org>
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The Chinese translation of the development process documentation was
outdated. Sync it with the current English version to ensure consistency.
Key changes include:
- Update versioning examples from 5.x to the 9.x placeholder.
- Add footnote [1] to explain the non-semantic versioning scheme.
- Replace the obsolete LTS kernel table with a link to kernel.org.
- Add a cross-reference for the "interleaved replies" section.
Update the translation through commit 5ce70894f6ca
("Doc: correct spelling and wording mistakes")
Signed-off-by: Song Hongyi <szpcq123@gmail.com>
Signed-off-by: Alex Shi <alexs@kernel.org>
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This patch fixes an inconsistent describtion in testing-overview.rst,
which should be ``kmalloc`` instead of ``kmalloc_arry`` according to
the original text.
Signed-off-by: LIU Haoyang <tttturtleruss@gmail.com>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Alex Shi <alexs@kernel.org>
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Needed for Johan's controller deregistration ordering changes.
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Add an approach to get new hardware advance gain,
and if there is no advance gain with this approach,
we can still get advance gain with original method.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://patch.msgid.link/20260410064225.662656-1-jack.yu@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v7.1 merge window
This includes following USB4/Thunderbolt changes for the v7.1 merge
window:
- Disable CL-states for Titan Ridge based devices with older firmware.
- MAINTAINER update.
- Simplify allocation of various structures with kzalloc_flex().
All these have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v7.1-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: tunnel: Simplify allocation
thunderbolt: Use kzalloc_flex() for struct tb_path allocation
thunderbolt: dma_port: kmalloc_array + kzalloc to flex
MAINTAINERS: Remove bouncing maintainer, Mika takes over DMA test driver
thunderbolt: Disable CLx on Titan Ridge-based devices with old firmware
thunderbolt: Read router NVM version before applying quirks
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A couple of attempts to correct this FIXME have been sent upstream but
the situation is not quite a simple as the FIXME implies. Update the
FIXME to include a better description of the situation.
Link: https://lore.kernel.org/linux-sound/20260408085607.3813488-1-shumingf@realtek.com/
Link: https://lore.kernel.org/linux-sound/20260324-sdca-function-status-init-irq-v1-1-bba49417a4e0@gmail.com/
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260410104500.163337-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Merge updates of assorted thermal drivers for 7.1-rc1 from Daniel
Lezcano:
"- Added an OF node address to output message to make sensor names more
distinguishable (Alexander Stein)
- Added hwmon support for the i.MX97 thermal sensor (Alexander Stein)
- Clamped correctly the results when doing value/temperature conversion
in the Spreadtrum driver (Thorsten Blum)
- Added the SDM670 compatible DT bindings for the Tsens and the lMH
drivers (Richard Acayan)
- Added the SM8750 compatible DT bindings for the Tsens (Manaf
Meethalavalappu Pallikunhi)
- Added the Eliza SoC compatible DT bindings for the Tsens (Krzysztof
Kozlowski)
- Fixed inverted condition check on error in the Spear driver (Gopi
Krishna Menon)
- Converted the DT bindings documentation into DT schema (Gopi Krishna
Menon)
- Used max() macro to increase readibility in the Broadcom STB thermal
sensor (Thorsten Blum)
- Removed stale @trim_offset kernel-doc entry (John Madieu)"
* tag 'thermal-v7.1-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal: renesas: rzg3e: Remove stale @trim_offset kernel-doc entry
thermal/drivers/brcmstb_thermal: Use max to simplify brcmstb_get_temp
dt-bindings: thermal: st,thermal-spear1340: convert to dtschema
thermal/drivers/spear: Fix error condition for reading st,thermal-flags
dt-bindings: thermal: qcom-tsens: Add Eliza SoC TSENS
dt-bindings: thermal: qcom-tsens: Document the SM8750 Temperature Sensor
thermal/drivers/sprd: Use min instead of clamp in sprd_thm_temp_to_rawdata
dt-bindings: thermal: lmh: Add SDM670 compatible
dt-bindings: thermal: tsens: add SDM670 compatible
thermal/drivers/sprd: Fix raw temperature clamping in sprd_thm_rawdata_to_temp
thermal/drivers/sprd: Fix temperature clamping in sprd_thm_temp_to_rawdata
thermal/drivers/imx91: Add hwmon support
thermal/of: Add OF node address to output message
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The bindings describe the OTG enable GPIO as optional, but the driver
gets upset if it's not provided in the device tree.
Make the driver accept the absence of the GPIO, and just use register
writes to handle OTG mode in that case, skipping the error message for
-ENOENT.
Acked-by: Mark Brown <broonie@kernel.org>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Alexey Charkov <alchark@flipper.net>
Link: https://patch.msgid.link/20260331-bq25792-v6-4-0278fba33eb9@flipper.net
Signed-off-by: Mark Brown <broonie@kernel.org>
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Drop the ->bq field from the platform data of the bq257xx regulator driver,
which was only used to get the regmap of the parent MFD device, and use the
regmap from the regulator_dev instead, slimming down the code a bit.
Acked-by: Mark Brown <broonie@kernel.org>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Alexey Charkov <alchark@flipper.net>
Link: https://patch.msgid.link/20260331-bq25792-v6-2-0278fba33eb9@flipper.net
Signed-off-by: Mark Brown <broonie@kernel.org>
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rsi_get_realm_config() passes its argument to virt_to_phys(), but
&config is a kernel image address and not a linear-map alias.
On arm64 this triggers the below warning:
virt_to_phys used for non-linear address: (____ptrval____) (config+0x0/0x1000)
WARNING: arch/arm64/mm/physaddr.c:15 at __virt_to_phys+0x50/0x70, CPU#0: swapper/0
Modules linked in:
.....
Hardware name: linux,dummy-virt (DT)
pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __virt_to_phys+0x50/0x70
lr : __virt_to_phys+0x4c/0x70
.....
......
Call trace:
__virt_to_phys+0x50/0x70 (P)
arm64_rsi_init+0xa0/0x1b8
setup_arch+0x13c/0x1a0
start_kernel+0x68/0x398
__primary_switched+0x88/0x90
Pass lm_alias(&config) instead so the RSI call uses the linear-map
alias of the same buffer and avoids the boot-time warning.
Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Merge devfreq updates for 7.1-rc1:
- Remove unneeded casting for HZ_PER_KHZ in devfreq (Andy Shevchenko)
- Use _visible attribute to replace create/remove_sysfs_files() in
devfreq (Pengjie Zhang)
- Add Tegra114 support to activity monitor device in tegra30-devfreq as
a preparation to upcoming EMC controller support (Svyatoslav Ryhel)
* pm-devfreq:
PM / devfreq: tegra30-devfreq: add support for Tegra114
PM / devfreq: use _visible attribute to replace create/remove_sysfs_files()
PM / devfreq: Remove unneeded casting for HZ_PER_KHZ
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Add __regmap_init_i3c() and the corresponding regmap_init_i3c() macro to
allow creating a regmap for I3C devices without using the device-managed
version. This mirrors the pattern already established for other buses
such as I2C, SPI and so on, giving drivers more flexibility when
the regmap lifetime is not directly tied to the device.
Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>
Link: https://patch.msgid.link/a81256a8866b163979a20406abf01df7d7440104.1775788105.git.xiaopei01@kylinos.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge power capping updates for 7.1-rc1:
- Clean up and rearrange the intel_rapl power capping driver to make
the respective interface drivers (TPMI, MSR, and MMOI) hold their
own settings and primitives and consolidate PL4 and PMU support
flags into rapl_defaults (Kuppuswamy Sathyanarayanan)
- Correct kernel-doc function parameter names in the power capping core
code (Randy Dunlap)
* pm-powercap:
powercap: intel_rapl: Consolidate PL4 and PMU support flags into rapl_defaults
powercap: intel_rapl: Move MSR primitives to MSR driver
thermal: intel: int340x: processor: Move MMIO primitives to MMIO driver
powercap: intel_rapl: Move TPMI primitives to TPMI driver
powercap: intel_rapl: Move primitive info to header for interface drivers
powercap: intel_rapl: Remove unused macro definitions
powercap: intel_rapl: Move MSR default settings into MSR interface driver
powercap: intel_rapl: Remove unused AVERAGE_POWER primitive
powercap: correct kernel-doc function parameter names
thermal: intel: int340x: processor: Move RAPL defaults to MMIO driver
powercap: intel_rapl: Move TPMI default settings into TPMI interface driver
powercap: intel_rapl: Allow interface drivers to configure rapl_defaults
powercap: intel_rapl: Use unit conversion macros from units.h
powercap: intel_rapl: Use GENMASK() and BIT() macros
powercap: intel_rapl: Use shifts for power-of-2 operations
powercap: intel_rapl: Simplify rapl_compute_time_window_atom()
powercap: intel_rapl: Remove unused TIME_WINDOW macros
powercap: intel_rapl: Cleanup coding style
powercap: intel_rapl: Add a symbol namespace for intel_rapl exports
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Merge cpuidle updates, OPP (operating performance points) library
updates, and updates related to system suspend and hibernation for
7.1-rc1:
- Refine stopped tick handling in the menu cpuidle governor and
rearrange stopped tick handling in the teo cpuidle governor (Rafael
Wysocki)
- Add Panther Lake C-states table to the intel_idle driver (Artem
Bityutskiy)
- Clean up dead dependencies on CPU_IDLE in Kconfig (Julian Braha)
- Simplify cpuidle_register_device() with guard() (Huisong Li)
- Use performance level if available to distinguish between rates in
OPP debugfs (Manivannan Sadhasivam)
- Fix scoped_guard in dev_pm_opp_xlate_required_opp() (Viresh Kumar)
- Return -ENODATA if the snapshot image is not loaded (Alberto Garcia)
- Remove inclusion of crypto/hash.h from hibernate_64.c on x86 (Eric
Biggers)
* pm-cpuidle:
cpuidle: Simplify cpuidle_register_device() with guard()
cpuidle: clean up dead dependencies on CPU_IDLE in Kconfig
intel_idle: Add Panther Lake C-states table
cpuidle: governors: teo: Rearrange stopped tick handling
cpuidle: governors: menu: Refine stopped tick handling
* pm-opp:
OPP: Move break out of scoped_guard in dev_pm_opp_xlate_required_opp()
OPP: debugfs: Use performance level if available to distinguish between rates
* pm-sleep:
PM: hibernate: return -ENODATA if the snapshot image is not loaded
PM: hibernate: x86: Remove inclusion of crypto/hash.h
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Add the MSI Vector A16 HX A8WHG (board MS-15MM) to the DMI quirk table
to enable DMIC support. This laptop uses an AMD Ryzen 9 7945HX (Dragon
Range) with the ACP6x audio coprocessor (rev 0x62) and a Realtek ALC274
codec. The built-in digital microphone is connected via the ACP PDM
interface and requires this DMI entry to be activated.
Tested on MSI Vector A16 HX A8WHG with kernel 6.8.0-107 (Ubuntu 24.04).
DMIC capture device appears as 'acp6x' and records audio correctly.
Signed-off-by: Ihor Uzlov <igor.uzlov@gmail.com>
Link: https://patch.msgid.link/20260410094553.24654-1-igor.uzlov@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Replace the open coded intel_fb_needs_pot_stride_remap() check
inside intel_fb_view_init() with the real thing.
The current check doesn't have the intel_fb_uses_dpt() in there, but
that is the only situation when we use the remapped view, and thus
was always implied.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-13-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Replace the naked GTT view type checks with the new
i915_gtt_view_is_*() helpers. This isolates some of
the code from GTT view implementation details.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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I915_GTT_VIEW_ROTATED is going away and being replaced by just
I915_GTT_VIEW_REMAPPED, so we're going to need another way to
determine if the view is rotated or not (since width/height
will need to be swapped when operating on the destination
coordinate space). Provide small helper functions to hide
such implementation details from most of the code using GTT views.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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This codec driver depended on the legacy GPIO API, and nothing
in the kernel is defining the platform data, so get rid of this.
Two in-kernel device trees are defining this codec using
undocumented device tree properties, so support these for now.
The same properties can be defined using software nodes if board
files are desired. The device tree use the "-gpio" rather than
"-gpios" suffix but the GPIO DT parser will deal with that.
Since there may be out of tree users, migrate to GPIO descriptors,
drop the platform data that is unused, and assign the dac_clk the
value that was used in all platforms found in a historical dig,
and support setting the clock to the PLL using the undocumented
device tree property.
Add some menuconfig so the codec can be selected and tested.
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260409-asoc-uda1380-v3-1-b3d5a53f31be@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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We currently create a single DPT for the entire FB, so we can't
actually do the per-plane remap. Reject it for now.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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intel_fb_needs_pot_stride_remap() isn't needed outside intel_fb.c.
Make it static.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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intel_tile_row_size() is unused. Nuke it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407155053.32156-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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`ip6t_eui64`, `xt_mac`, the `bitmap:ip,mac`, `hash:ip,mac`, and
`hash:mac` ipset types, and `nf_log_syslog` access `eth_hdr(skb)`
after either assuming that the skb is associated with an Ethernet
device or checking only that the `ETH_HLEN` bytes at
`skb_mac_header(skb)` lie between `skb->head` and `skb->data`.
Make these paths first verify that the skb is associated with an
Ethernet device, that the MAC header was set, and that it spans at
least a full Ethernet header before accessing `eth_hdr(skb)`.
Suggested-by: Florian Westphal <fw@strlen.de>
Tested-by: Ren Wei <enjou1224z@gmail.com>
Signed-off-by: Zhengchuan Liang <zcliangcn@gmail.com>
Signed-off-by: Ren Wei <n05ec@lzu.edu.cn>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Drop packets if their ttl/hl is too small for forwarding.
Fixes: d32de98ea70f ("netfilter: nft_fwd_netdev: allow to forward packets via neighbour layer")
Signed-off-by: Florian Westphal <fw@strlen.de>
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-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
Use the TRAILING_OVERLAP() helper to fix the following warnings:
1 net/netfilter/x_tables.c:816:39: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
1 net/netfilter/x_tables.c:811:39: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
This helper creates a union between a flexible-array member (FAM)
and a set of members that would otherwise follow it. This overlays
the trailing members onto the FAM while preserving the original
memory layout.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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UDP-Lite (RFC 3828) socket support was recently retired from the core
networking stack. As a follow-up of that, drop the connection tracker
and NAT support for UDP-Lite in Netfilter.
This patch removes CONFIG_NF_CT_PROTO_UDPLITE and scrubs UDP-Lite
awareness from the conntrack core, NAT core, nft_ct, and ctnetlink.
Please note that stateless packet inspection, matching, ipsets or
logging support for IPPROTO_UDPLITE is preserved.
As conntrack no longer extracts UDP-Lite ports or tracks its L4 state,
when performing NAT the UDP-Lite checksum cannot be updated anymore.
That is an expected and acceptable consequence of removing UDP-Lite
conntrack module.
Signed-off-by: Fernando Fernandez Mancera <fmancera@suse.de>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Originally this did not matter because defrag was enabled once per netns
and only disabled again on netns dismantle. When this got changed I should
have adjusted checkentry to not leave defrag enabled on error.
Fixes: de8c12110a13 ("netfilter: disable defrag once its no longer needed")
Signed-off-by: Florian Westphal <fw@strlen.de>
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Add pr_fmt to prefix log messages with the module name for
easier debugging in dmesg.
Add checkentry functions for IPv4 (ttl_mt_check) and IPv6
(hl_mt6_check) to validate the match mode at rule registration
time, rejecting invalid modes with -EINVAL.
The evaluation function returns false in case the mode is
unknown, so this is a cleanup, not a bug fix.
Signed-off-by: Marino Dzalto <marino.dzalto@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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This adds implicit DEBUG_WARN_ON_ONCE for debug configurations.
No other changes intended.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Reject names that lack a \0 character and reject the empty string as
well. iptables allows this but it fails to re-parse iptables-save output
that contain such rules.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Allow the default load factor for the connection and service tables
to be configured.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Add /proc/net/ip_vs_status to show current state of IPVS.
The motivation for this new /proc interface is to provide the output
for the users to help them decide when to tune the load factor for
hash tables, which is possible with the new sysctl knobs coming in
followup patch.
The output also includes information for the kthreads used for stats.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Florian Westphal <fw@strlen.de>
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As conn_tab is per-net, better to show the current hash table size
to users instead of the ip_vs_conn_tab_size (max).
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Remove duplicate 'the' in the CMDLINE config help text.
Signed-off-by: Michael Ugrin <mugrinphoto@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Merge cpufreq updates for 7.1-rc1:
- Update qcom-hw DT bindings to include Eliza hardware (Abel Vesa)
- Update cpufreq-dt-platdev blocklist (Faruque Ansari)
- Minor updates to driver and dt-bindings for Tegra (Thierry Reding,
Rosen Penev)
- Add MAINTAINERS entry for CPPC driver (Viresh Kumar)
- Add support for new features: CPPC performance priority, Dynamic EPP,
Raw EPP, and new unit tests for them to amd-pstate (Gautham Shenoy,
Mario Limonciello)
- Fix sysfs files being present when HW missing and broken/outdated
documentation in the amd-pstate driver (Ninad Naik, Gautham Shenoy)
- Pass the policy to cpufreq_driver->adjust_perf() to avoid using
cpufreq_cpu_get() in the .adjust_perf() callback in amd-pstate which
leads to a scheduling-while-atomic bug (K Prateek Nayak)
- Clean up dead code in Kconfig for cpufreq (Julian Braha)
- Remove max_freq_req update for pre-existing cpufreq policy and add a
boost_freq_req QoS request to save the boost constraint instead of
overwriting the last scaling_max_freq constraint (Pierre Gondois)
- Embed cpufreq QoS freq_req objects in cpufreq policy so they all
are allocated in one go along with the policy to simplify lifetime
rules and avoid error handling issues (Viresh Kumar)
- Use DMI max speed when CPPC is unavailable in the acpi-cpufreq
scaling driver (Henry Tseng)
- Switch policy_is_shared() in cpufreq to using cpumask_nth() instead
of cpumask_weight() because the former is more efficient (Yury Norov)
- Use sysfs_emit() in sysfs show functions for cpufreq governor
attributes (Thorsten Blum)
- Update intel_pstate to stop returning an error when "off" is written
to its status sysfs attribute while the driver is already off (Fabio
De Francesco)
- Include current frequency in the debug message printed by
__cpufreq_driver_target() (Pengjie Zhang)
* pm-cpufreq: (38 commits)
cpufreq/amd-pstate: Add POWER_SUPPLY select for dynamic EPP
MAINTAINERS: amd-pstate: Step down as maintainer, add Prateek as reviewer
cpufreq: Pass the policy to cpufreq_driver->adjust_perf()
cpufreq/amd-pstate: Pass the policy to amd_pstate_update()
cpufreq/amd-pstate-ut: Add a unit test for raw EPP
cpufreq/amd-pstate: Add support for raw EPP writes
cpufreq/amd-pstate: Add support for platform profile class
cpufreq/amd-pstate: add kernel command line to override dynamic epp
cpufreq/amd-pstate: Add dynamic energy performance preference
Documentation: amd-pstate: fix dead links in the reference section
cpufreq/amd-pstate: Cache the max frequency in cpudata
Documentation/amd-pstate: Add documentation for amd_pstate_floor_{freq,count}
Documentation/amd-pstate: List amd_pstate_prefcore_ranking sysfs file
Documentation/amd-pstate: List amd_pstate_hw_prefcore sysfs file
amd-pstate-ut: Add a testcase to validate the visibility of driver attributes
amd-pstate-ut: Add module parameter to select testcases
amd-pstate: Introduce a tracepoint trace_amd_pstate_cppc_req2()
amd-pstate: Add sysfs support for floor_freq and floor_count
amd-pstate: Add support for CPPC_REQ2 and FLOOR_PERF
x86/cpufeatures: Add AMD CPPC Performance Priority feature.
...
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In current linux.git, gnttab_suspend() and gnttab_resume() are defined
and declared unconditionally. However, their only in-tree callers reside
in drivers/xen/manage.c, which are guarded by CONFIG_HIBERNATE_CALLBACKS.
Match the helper scope to their callers by wrapping the definitions in
CONFIG_HIBERNATE_CALLBACKS and providing no-op stubs in the header. This
fixes the config-scope mismatch and reduces the code footprint when
hibernation callbacks are disabled.
Signed-off-by: Pengpeng Hou <pengpeng.hou@isrc.iscas.ac.cn>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260310080800.742223-1-pengpeng.hou@isrc.iscas.ac.cn>
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When the console out buffer is filled, __write_console() will return 0
as it cannot send any data. domU_write_console() will then spin in
`while (len)` as len doesn't decrement until xenconsoled attaches. This
would block a domU and nullify the parallelism of Hyperlaunch until dom0
userspace starts xenconsoled, which empties the buffer.
Xen 4.21 added a connection field to the xen console page. This is set
to XENCONSOLE_DISCONNECTED (1) when a domain is built, and xenconsoled
will set it to XENCONSOLE_CONNECTED (0) when it connects.
Update the hvc_xen driver to check the field. When the field is
disconnected, drop the write with -ENOTCONN. We only drop the write
when the field is XENCONSOLE_DISCONNECTED (1) to try for maximum
compatibility. The Xen toolstack has historically zero initialized the
console, so it should see XENCONSOLE_CONNECTED (0) by default. If an
implemenation used uninitialized memory, only checking for
XENCONSOLE_DISCONNECTED could have the lowest chance of not connecting.
This lets the hyperlaunched domU boot without stalling. Once dom0
starts xenconsoled, xl console can be used to access the domU's hvc0.
Paritally sync console.h from xen.git to bring in the new field.
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Jason Andryuk <jason.andryuk@amd.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260318235326.14568-1-jason.andryuk@amd.com>
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Commit af85de5a9f00 ("xen: swiotlb: Switch to physical
address mapping callbacks") renamed xen_swiotlb_unmap_page()
to xen_swiotlb_unmap_phys(). The comment in
xen_swiotlb_unmap_sg() had already been missing the xen_
prefix (reading swiotlb_unmap_page()), and the rename only
changed _page to _phys without correcting this, leaving it
as swiotlb_unmap_phys(). Fix the reference to use the
correct function name xen_swiotlb_unmap_phys().
Assisted-by: unnamed:deepseek-v3.2 coccinelle
Signed-off-by: Kexin Sun <kexinsun@smail.nju.edu.cn>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260321110039.8905-1-kexinsun@smail.nju.edu.cn>
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setup_shutdown_watcher() registers shutdown_watch first, then the sysrq
watch, and finally publishes the supported feature-* nodes in xenstore.
If sysrq watch registration fails, or xenbus_printf() fails after one or
more feature nodes were created, the function returns immediately without
undoing the earlier setup.
This leaves the system in a partially initialized state, with registered
watches and/or stale xenstore entries despite the function reporting
failure.
Unwind the partial setup before returning an error by unregistering any
watches that were already registered and removing feature nodes that were
already published.
Signed-off-by: GuoHan Zhao <zhaoguohan@kylinos.cn>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260407022443.12971-1-zhaoguohan@kylinos.cn>
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The error path after scx_bpf_create_dsq(real_dsq_id, ...) was reporting
test_dsq_id instead of real_dsq_id in the error message, which would
mislead debugging.
Signed-off-by: fangqiurong <fangqiurong@kylinos.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Detect some corrupted extent cases during metadata parsing rather
than letting them result in harmless decompression failures later:
- For full-reference compressed extents, the compressed size must
not exceed the decompressed size, which is a strict on-disk
layout constraint;
- For plain (shifted/interlaced) extents, the decoded size must
not exceed the encoded size, even accounting for partial decoding.
Both ways work but it should be better to report illegal extents as
metadata layout violations rather than deferring as decompression
failure.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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- Remove EROFS_MAP_ENCODED since it was always set together with
EROFS_MAP_MAPPED for compressed extents and checked redundantly;
- Replace the EROFS_MAP_FULL_MAPPED flag with the opposite
EROFS_MAP_PARTIAL_MAPPED flag so that extents are implicitly
fully mapped initially to simplify the logic;
- Make fragment extents independent of EROFS_MAP_MAPPED since
they are not directly allocated on disk; thus fragment extents
are no longer twisted with mapped extents.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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fdt_find_hyper_node() reads the raw compatible property and then derives
hyper_node.version from a prefix match before later printing it with %s.
Flat DT properties are external boot input, and this path does not prove
that the first compatible entry is NUL-terminated within the returned
property length.
Keep the existing flat-DT lookup path, but verify that the first
compatible entry terminates within the returned property length before
deriving the version suffix from it.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260405094005.5-arm-xen-v2-pengpeng@iscas.ac.cn>
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* Add ops.quiescent() and ops.runnable() to the sched_change path.
When a queued task has one of its scheduling properties changed
(e.g. nice, affinity), it goes through dequeue() -> quiescent() ->
(property change callback, e.g. ops.set_weight()) -> runnable() ->
enqueue().
* Change && to || in ops.enqueue() condition. We want to enqueue tasks
that have a non-zero slice and are not in any DSQ.
* Call ops.dispatch() and ops.dequeue() only for tasks that have had
ops.enqueue() called. This is to account for tasks direct-dispatched
from ops.select_cpu().
* Add a note explaining that the pseudo-code provides a simplified view
of the task lifecycle and list some examples of cases that the
pseudo-code does not account for.
Fixes: a4f61f0a1afd ("sched_ext: Documentation: Add ops.dequeue() to task lifecycle")
Signed-off-by: Kuba Piecuch <jpiecuch@google.com>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The format string says "device %p ... rdma cgroup %p" but the arguments
were passed as (cg, device), printing them in the wrong order.
Signed-off-by: cuitao <cuitao@kylinos.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Inline Crypto Engine (ICE) supports wrapped key generation. While
registering crypto profile the supported key types are queried from ICE
driver. So the explicit check for RAW key is not needed.
Fixes: fd78e2b582a0 ("mmc: sdhci-msm: Add support for wrapped keys")
Signed-off-by: Neeraj Soni <neeraj.soni@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The VSP serves as an interface to memory and a compositor to the DU. It
therefore needs to be suspended after and resumed before the DU, to be
properly stopped and restarted in a controlled fashion driven by the DU
driver. This currently works by chance. Avoid relying on luck by
enforcing the correct suspend/resume ordering with device links.
Based on similar work done by Laurent Pinchart for R-Car DU.
commit db5be3a7d6bd ("drm: rcar-du: Ensure correct suspend/resume
ordering with VSP")
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Link: https://patch.msgid.link/20260330144651.817338-1-tommaso.merciai.xr@bp.renesas.com
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-intel-next
topic/step to unify xe and i915 on common steppings header and enum
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/cc1ff0a476ff457e88251e22b83c1a45ada11ecc@intel.com
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