| Commit message (Collapse) | Author | Age | Files | Lines |
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For memory accesses with write-combining attributes (e.g. those returned
by ioremap_wc()), the CPU may wait for prior accesses to be merged with
subsequent ones. But in some situation, such wait is bad for the
performance.
We introduce io_stop_wc() to prevent the merging of write-combining
memory accesses before this macro with those after it.
We add implementation for ARM64 using DGH instruction and provide NOP
implementation for other architectures.
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Suggested-by: Will Deacon <will@kernel.org>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211221035556.60346-1-wangxiongfeng2@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Since e71e2ace5721("userfaultfd: do not untag user pointers") which
introduced a warning:
linux/Documentation/arm64/tagged-address-abi.rst:52: WARNING: Unexpected indentation.
Let's fix it.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/20211209091922.560979-1-siyanteng@loongson.cn
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Pull ksmbd fixes from Steve French:
"Five ksmbd server fixes, four of them for stable:
- memleak fix
- fix for default data stream on filesystems that don't support xattr
- error logging fix
- session setup fix
- minor doc cleanup"
* tag '5.16-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix memleak in get_file_stream_info()
ksmbd: contain default data stream even if xattr is empty
ksmbd: downgrade addition info error msg to debug in smb2_get_info_sec()
docs: filesystem: cifs: ksmbd: Fix small layout issues
ksmbd: Fix an error handling path in 'smb2_sess_setup()'
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In some senteces there were missing spaces between words.
Fix wording in item to show which prints are enabled and add a space
beween the cat command and its argument.
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Steve French <sfrench@samba.org>
CC: Hyunchul Lee <hyc.lee@gmail.com>
Cc: linux-cifs@vger.kernel.org
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from netfilter.
Current release - regressions:
- r8169: fix incorrect mac address assignment
- vlan: fix underflow for the real_dev refcnt when vlan creation
fails
- smc: avoid warning of possible recursive locking
Current release - new code bugs:
- vsock/virtio: suppress used length validation
- neigh: fix crash in v6 module initialization error path
Previous releases - regressions:
- af_unix: fix change in behavior in read after shutdown
- igb: fix netpoll exit with traffic, avoid warning
- tls: fix splice_read() when starting mid-record
- lan743x: fix deadlock in lan743x_phy_link_status_change()
- marvell: prestera: fix bridge port operation
Previous releases - always broken:
- tcp_cubic: fix spurious Hystart ACK train detections for
not-cwnd-limited flows
- nexthop: fix refcount issues when replacing IPv6 groups
- nexthop: fix null pointer dereference when IPv6 is not enabled
- phylink: force link down and retrigger resolve on interface change
- mptcp: fix delack timer length calculation and incorrect early
clearing
- ieee802154: handle iftypes as u32, prevent shift-out-of-bounds
- nfc: virtual_ncidev: change default device permissions
- netfilter: ctnetlink: fix error codes and flags used for kernel
side filtering of dumps
- netfilter: flowtable: fix IPv6 tunnel addr match
- ncsi: align payload to 32-bit to fix dropped packets
- iavf: fix deadlock and loss of config during VF interface reset
- ice: avoid bpf_prog refcount underflow
- ocelot: fix broken PTP over IP and PTP API violations
Misc:
- marvell: mvpp2: increase MTU limit when XDP enabled"
* tag 'net-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits)
net: dsa: microchip: implement multi-bridge support
net: mscc: ocelot: correctly report the timestamping RX filters in ethtool
net: mscc: ocelot: set up traps for PTP packets
net: ptp: add a definition for the UDP port for IEEE 1588 general messages
net: mscc: ocelot: create a function that replaces an existing VCAP filter
net: mscc: ocelot: don't downgrade timestamping RX filters in SIOCSHWTSTAMP
net: hns3: fix incorrect components info of ethtool --reset command
net: hns3: fix one incorrect value of page pool info when queried by debugfs
net: hns3: add check NULL address for page pool
net: hns3: fix VF RSS failed problem after PF enable multi-TCs
net: qed: fix the array may be out of bound
net/smc: Don't call clcsock shutdown twice when smc shutdown
net: vlan: fix underflow for the real_dev refcnt
ptp: fix filter names in the documentation
ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()
nfc: virtual_ncidev: change default device permissions
net/sched: sch_ets: don't peek at classes beyond 'nbands'
net: stmmac: Disable Tx queues when reconfiguring the interface
selftests: tls: test for correct proto_ops
tls: fix replacing proto_ops
...
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All the filter names are missing _PTP in them.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20211126031921.2466944-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter/IPVS fixes for net:
1) Add selftest for vrf+conntrack, from Florian Westphal.
2) Extend nfqueue selftest to cover nfqueue, also from Florian.
3) Remove duplicated include in nft_payload, from Wan Jiabing.
4) Several improvements to the nat port shadowing selftest,
from Phil Sutter.
5) Fix filtering of reply tuple in ctnetlink, from Florent Fourcot.
6) Do not override error with -EINVAL in filter setup path, also
from Florent.
7) Honor sysctl_expire_nodest_conn regardless conn_reuse_mode for
reused connections, from yangxingwu.
8) Replace snprintf() by sysfs_emit() in xt_IDLETIMER as reported
by Coccinelle, from Jing Yao.
9) Incorrect IPv6 tunnel match in flowtable offload, from Will
Mortensen.
10) Switch port shadow selftest to use socat, from Florian Westphal.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are changing expire_nodest_conn to work even for reused connections when
conn_reuse_mode=0, just as what was done with commit dc7b3eb900aa ("ipvs:
Fix reuse connection if real server is dead").
For controlled and persistent connections, the new connection will get the
needed real server depending on the rules in ip_vs_check_template().
Fixes: d752c3645717 ("ipvs: allow rescheduling of new connections when port reuse is detected")
Co-developed-by: Chuanqi Liu <legend050709@qq.com>
Signed-off-by: Chuanqi Liu <legend050709@qq.com>
Signed-off-by: yangxingwu <xingwu.yang@gmail.com>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Sr is a repeated start, it is used in both I2C and SMBus protocols.
Provide its description and replace start ("S") conditions with repeated
start ("Sr") conditions when relevant. This allows the documentation to
match the SMBus specification available at [1].
[1] http://www.smbus.org/specs/SMBus_3_1_20180319.pdf
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The i.MX 8QM DTS files use two compatibles, so update the binding to fix
dtbs_check warnings like:
arch/arm64/boot/dts/freescale/imx8qm-mek.dt.yaml: i2c@5a800000:
compatible: ['fsl,imx8qm-lpi2c', 'fsl,imx7ulp-lpi2c'] is too long
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a system-wide suspend issue in the DTPM framework and
improve the Energy Model documentation.
Specifics:
- Fix system suspend handling in DTPM when it is enabled, but not
actually used (Daniel Lezcano)
- Describe the new cpufreq callback for Energy Model registration and
explain the "advanced" and "simple" EM variants in the EM
documentation (Lukasz Luba)"
* tag 'pm-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Documentation: power: Describe 'advanced' and 'simple' EM models
Documentation: power: Add description about new callback for EM registration
powercap: DTPM: Fix suspend failure and kernel warning
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The Energy Model (EM) can be registered in two ways:
1) Using a helper function, which under the hood relies on OPP framework
and DT entry in CPU node: 'dynamic-power-coefficient'. This is
a 'simple' EM because it's tied to the math formula:
Power = dynamic-power-coefficient * V^2 * f
2) Using em_dev_register_perf_domain() API function with a driver
custom callback which provides power for each performance state.
This is 'advanced' EM, since it can better reflect real power
measurements for each performance state. It's not limited to any
math formula and can better reflect real physics of the device.
Add description of these two methods to the documentation, so developers
could choose the suitable registration method (option).
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The Energy Model (EM) registration for CPUs should now be done using
a dedicated callback added recently into CPUFreq framework and drivers.
Commit c17495b01b72 ("cpufreq: Add callback to register with energy model")
The callback guaranties that the EM registration is called at the right
time during driver setup. To avoid mistakes update the documentation
to align with the existing code implementation.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Various build- and bug-fixes as well as one hardware-id addition"
* tag 'platform-drivers-x86-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad_acpi: fix documentation for adaptive keyboard
platform/x86: thinkpad_acpi: Fix WWAN device disabled issue after S3 deep
platform/x86: thinkpad_acpi: Add support for dual fan control
platform/x86: think-lmi: Abort probe on analyze failure
platform/x86: dell-wmi-descriptor: disable by default
platform/x86: samsung-laptop: Fix typo in a comment
platform/x86: hp_accel: Fix an error handling path in 'lis3lv02d_probe()'
platform/x86: amd-pmc: Make CONFIG_AMD_PMC depend on RTC_CLASS
platform/mellanox: mlxreg-lc: fix error code in mlxreg_lc_create_static_devices()
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The different values were offset by 1. 0 is for "home mode", 1 for
"web-browser mode", etc. Moreover, the URL to the laptop's user guide
did not work anymore.
Signed-off-by: Vincent Bernat <vincent@bernat.ch>
Link: https://lore.kernel.org/r/20211109195209.176905-1-vincent@bernat.ch
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The cross-reference for the handbooks section works. However, it is
meant to describe the path inside the Kernel's doc where the section
is, but there's an space instead of a dash, plus it lacks the .rst at
the end, which makes:
./scripts/documentation-file-ref-check
to complain.
Fixes: 604370e106cc ("Documentation/process: Add maintainer handbooks section")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The file name: accounting/delay-accounting.rst
should be, instead: Documentation/accounting/delay-accounting.rst.
Also, there's no need to use doc:`foo`, as automarkup.py will
automatically handle plain text mentions to Documentation/
files.
So, update its cross-reference accordingly.
Fixes: fcb501704554 ("delayacct: Document task_delayacct sysctl")
Fixes: c3123552aad3 ("docs: accounting: convert to ReST")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Changeset d20b41115ad5 ("libbpf: Rename libbpf documentation index file")
renamed: Documentation/bpf/libbpf/libbpf.rst
to: Documentation/bpf/libbpf/index.rst.
Update its cross-reference accordingly.
Fixes: d20b41115ad5 ("libbpf: Rename libbpf documentation index file")
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Signed-off-by: Wasin Thonkaew <wasin@wasin.io>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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'The name of the game' means the most important part of an activity, so
we should translate it by the meaning instead of the words.
Suggested-by: Xinyong Wang <wang.xy.chn@gmail.com>
Signed-off-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Delete "tracing" due to it has been included in /proc/mounts.
Delete "echo nop > $tracefs/tracing/current_tracer", maybe
this command is redundant.
Signed-off-by: Zhaoyu Liu <zackary.liu.pro@gmail.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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File armada_1000_pb.pdf is not available on Marvell website anymore.
So update link to webarchive where is backup copy.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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From evolution and feature point of view Armada XP belongs between Armada
370 and Armada 375 families.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Webarchive contains some useful resources like product info or links to
other documents.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Commit f546ff0c0c07 ("Move our minimum Sphinx version to 1.7") raised
the minimum version to 1.7.
For pdfdocs, sphinx_pre_install says:
note: If you want pdf, you need at least Sphinx 2.4.4.
, and current requirements.txt installs Sphinx 2.4.4.
Update Sphinx versions mentioned in docs and remove a note on earlier
Sphinx versions.
Update zh_CN and it_IT translations as well.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Federico Vaga <federico.vaga@vaga.pv.it>
Cc: Alex Shi <alexs@kernel.org>
Reviewed-by: Alex Shi <alexs@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Two fixes due to DT node name changes on Arm, Ltd. boards
- Treewide rename of Ingenic CGU headers
- Update ST email addresses
- Remove Netlogic DT bindings
- Dropping few more cases of redundant 'maxItems' in schemas
- Convert toshiba,tc358767 bridge binding to schema
* tag 'devicetree-fixes-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: watchdog: sunxi: fix error in schema
bindings: media: venus: Drop redundant maxItems for power-domain-names
dt-bindings: Remove Netlogic bindings
clk: versatile: clk-icst: Ensure clock names are unique
of: Support using 'mask' in making device bus id
dt-bindings: treewide: Update @st.com email address to @foss.st.com
dt-bindings: media: Update maintainers for st,stm32-hwspinlock.yaml
dt-bindings: media: Update maintainers for st,stm32-cec.yaml
dt-bindings: mfd: timers: Update maintainers for st,stm32-timers
dt-bindings: timer: Update maintainers for st,stm32-timer
dt-bindings: i2c: imx: hardware do not restrict clock-frequency to only 100 and 400 kHz
dt-bindings: display: bridge: Convert toshiba,tc358767.txt to yaml
dt-bindings: Rename Ingenic CGU headers to ingenic,*.h
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"maxItems" is not needed with an "items" list
Fixes:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml make dtbs_check
Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml: properties:clocks: {'required': ['maxItems']} is not allowed for {'minItems': 1, 'maxItems': 2, 'items': [{'description': 'High-frequency oscillator input, divided internally'}, {'description': 'Low-frequency oscillator input, only found on some variants'}]}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
...
Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211029142443.68779-1-david@ixit.cz
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make dt_binding_check:
Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml: ignoring, error in schema: properties: power-domain-names
warning: no schema found in file: Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml: properties:power-domain-names: {'required': ['maxItems']} is not allowed for {'minItems': 2, 'maxItems': 3, 'items': [{'const': 'venus'}, {'const': 'vcodec0'}, {'const': 'cx'}]}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
Fixes: e48b839b6699c226 ("media: dt-bindings: media: venus: Add sc7280 dt schema")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/d94924e1bd00f396f2106f04d4a2bb839cf5f071.1636453406.git.geert+renesas@glider.be
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Support for Netlogic was removed in commit 95b8a5e0111a ("MIPS: Remove
NETLOGIC support"). Remove the now unused bindings.
The GPIO binding also includes "brcm,vulcan-gpio", but it appears to be
unused as well as Broadcom Vulkan became Cavium ThunderX2 which is ACPI
based.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: George Cherian <gcherian@marvell.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211109161707.2209170-1-robh@kernel.org
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Not all @st.com email address are concerned, only people who have
a specific @foss.st.com email will see their entry updated.
For some people, who left the company, remove their email.
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: Fabien Dessenne <fabien.dessenne@foss.st.com>
Cc: Christophe Roullier <christophe.roullier@foss.st.com>
Cc: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Cc: Lionel Debieve <lionel.debieve@foss.st.com>
Cc: Amelie Delaunay <amelie.delaunay@foss.st.com>
Cc: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Cc: Ludovic Barre <ludovic.barre@foss.st.com>
Cc: Christophe Kerello <christophe.kerello@foss.st.com>
Cc: pascal Paillet <p.paillet@foss.st.com>
Cc: Erwan Le Ray <erwan.leray@foss.st.com>
Cc: Philippe CORNU <philippe.cornu@foss.st.com>
Cc: Yannick Fertre <yannick.fertre@foss.st.com>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: Hugues Fruchet <hugues.fruchet@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20211110150144.18272-6-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Benjamin has left the company, remove his name from maintainers.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20211110150144.18272-5-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Benjamin has left the company, remove his name from maintainers.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20211110150144.18272-4-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Benjamin has left the company, remove his name from maintainers.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20211110150144.18272-3-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Benjamin has left the company, add Fabrice and myself as maintainers.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20211110150144.18272-2-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
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and 400 kHz
clock-frequency is only restricted by the upper limit of 400 kHz.
Found with:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/i2c/i2c-imx.yaml make dtbs_check
...
arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml: i2c@30a20000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
From schema: linux/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
...
Fixes: 4bdc44347299 ("dt-bindings: i2c: Convert imx i2c to json-schema")
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211029141134.66170-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert toshiba,tc358767.txt binding to yaml format
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Link: https://lore.kernel.org/r/20211028093656.25493-1-r-ravikumar@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Tidy up a bit the tree, by prefixing all include/dt-bindings/clock/ files
related to Ingenic SoCs with 'ingenic,'.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211016133322.40771-1-paul@crapouillou.net
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add the model number of a new, Raptor Lake CPU, to intel-family.h
- Do not log spurious corrected MCEs on SKL too, due to an erratum
- Clarify the path of paravirt ops patches upstream
- Add an optimization to avoid writing out AMX components to sigframes
when former are in init state
* tag 'x86_urgent_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add Raptor Lake to Intel family
x86/mce: Add errata workaround for Skylake SKX37
MAINTAINERS: Add some information to PARAVIRT_OPS entry
x86/fpu: Optimize out sigframe xfeatures when in init state
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tl;dr: AMX state is ~8k. Signal frames can have space for this
~8k and each signal entry writes out all 8k even if it is zeros.
Skip writing zeros for AMX to speed up signal delivery by about
4% overall when AMX is in its init state.
This is a user-visible change to the sigframe ABI.
== Hardware XSAVE Background ==
XSAVE state components may be tracked by the processor as being
in their initial configuration. Software can detect which
features are in this configuration by looking at the XSTATE_BV
field in an XSAVE buffer or with the XGETBV(1) instruction.
Both the XSAVE and XSAVEOPT instructions enumerate features s
being in the initial configuration via the XSTATE_BV field in the
XSAVE header, However, XSAVEOPT declines to actually write
features in their initial configuration to the buffer. XSAVE
writes the feature unconditionally, regardless of whether it is
in the initial configuration or not.
Basically, XSAVE users never need to inspect XSTATE_BV to
determine if the feature has been written to the buffer.
XSAVEOPT users *do* need to inspect XSTATE_BV. They might also
need to clear out the buffer if they want to make an isolated
change to the state, like modifying one register.
== Software Signal / XSAVE Background ==
Signal frames have historically been written with XSAVE itself.
Each state is written in its entirety, regardless of being in its
initial configuration.
In other words, the signal frame ABI uses the XSAVE behavior, not
the XSAVEOPT behavior.
== Problem ==
This means that any application which has acquired permission to
use AMX via ARCH_REQ_XCOMP_PERM will write 8k of state to the
signal frame. This 8k write will occur even when AMX was in its
initial configuration and software *knows* this because of
XSTATE_BV.
This problem also exists to a lesser degree with AVX-512 and its
2k of state. However, AVX-512 use does not require
ARCH_REQ_XCOMP_PERM and is more likely to have existing users
which would be impacted by any change in behavior.
== Solution ==
Stop writing out AMX xfeatures which are in their initial state
to the signal frame. This effectively makes the signal frame
XSAVE buffer look as if it were written with a combination of
XSAVEOPT and XSAVE behavior. Userspace which handles XSAVEOPT-
style buffers should be able to handle this naturally.
For now, include only the AMX xfeatures: XTILE and XTILEDATA in
this new behavior. These require new ABI to use anyway, which
makes their users very unlikely to be broken. This XSAVEOPT-like
behavior should be expected for all future dynamic xfeatures. It
may also be extended to legacy features like AVX-512 in the
future.
Only attempt this optimization on systems with dynamic features.
Disable dynamic feature support (XFD) if XGETBV1 is unavailable
by adding a CPUID dependency.
This has been measured to reduce the *overall* cycle cost of
signal delivery by about 4%.
Fixes: 2308ee57d93d ("x86/fpu/amx: Enable the AMX feature in 64-bit mode")
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: "Chang S. Bae" <chang.seok.bae@intel.com>
Link: https://lore.kernel.org/r/20211102224750.FA412E26@davehans-spike.ostc.intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"This is the second batch of clk driver updates that needed a little
more time to soak in linux-next.
- Use modern i2c probe in vc5
- Cleanup some includes
- Update links to datasheets
- Add UniPhier NX1 SoC clk support
- Fix DT bindings for SiFive FU740
- Revert the module platform driver support for Rockchip because it
wasn't actually tested
- Fix the composite clk code again as the previous fix had a one line
bug that broke rate changes for clks that want to use the same
parent still
- Use the right table for a divider in ast2600 driver
- Get rid of gcc_aggre1_pnoc_ahb_clk in qcom clk driver again because
its critical but unused"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gcc-msm8996: Drop (again) gcc_aggre1_pnoc_ahb_clk
clk: imx8m: Do not set IMX_COMPOSITE_CORE for non-regular composites
clk/ast2600: Fix soc revision for AHB
clk: composite: Fix 'switching' to same clock
clk: rockchip: drop module parts from rk3399 and rk3568 drivers
Revert "clk: rockchip: use module_platform_driver_probe"
clk:mediatek: remove duplicate include in clk-mt8195-imp_iic_wrap.c
dt-bindings: clock: fu740-prci: add reset-cells
clk: uniphier: Add SoC-glue clock source selector support for Pro4
dt-bindings: clock: uniphier: Add clock binding for SoC-glue
clk: uniphier: Add NX1 clock support
dt-bindings: clock: uniphier: Add NX1 clock binding
clk: uniphier: Add audio system and video input clock control for PXs3
clk: si5351: Update datasheet references
clk: vc5: Use i2c .probe_new
clk/actions/owl-factor.c: remove superfluous headers
clk: ingenic: Fix bugs with divided dividers
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The SiFive FU740 Power Reset Clock Interrupt Controller is a reset line
provider so add respective reset-cells property to fix:
arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dt.yaml: clock-controller@10000000:
'#reset-cells' does not match any of the regexes: 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210920144944.162431-1-krzysztof.kozlowski@canonical.com
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Update binding document for clocks implemented in SoC-glue.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1634000035-3114-5-git-send-email-hayashi.kunihiko@socionext.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Update clock binding document for UniPhier NX1 SoC.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1634000035-3114-3-git-send-email-hayashi.kunihiko@socionext.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Silicon Labs is now part of Skyworks Inc. so update the URLs to the
datasheet and application note.
Signed-off-by: Jens Renner <renner@efe-gmbh.de>
Link: https://lore.kernel.org/r/20210913074823.115212-1-renner@efe-gmbh.de
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, we've applied relatively small number of patches which
fix subtle corner cases mainly, while introducing a new mount option
to be able to fragment the disk intentionally for performance tests.
Enhancements:
- add a mount option to fragmente on-disk layout to understand the
performance
- support direct IO for multi-partitions
- add a fault injection of dquot_initialize
Bug fixes:
- address some lockdep complaints
- fix a deadlock issue with quota
- fix a memory tuning condition
- fix compression condition to improve the ratio
- fix disabling compression on the non-empty compressed file
- invalidate cached pages before IPU/DIO writes
And, we've added some minor clean-ups as usual"
* tag 'f2fs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: fix UAF in f2fs_available_free_memory
f2fs: invalidate META_MAPPING before IPU/DIO write
f2fs: support fault injection for dquot_initialize()
f2fs: fix incorrect return value in f2fs_sanity_check_ckpt()
f2fs: compress: disallow disabling compress on non-empty compressed file
f2fs: compress: fix overwrite may reduce compress ratio unproperly
f2fs: multidevice: support direct IO
f2fs: introduce fragment allocation mode mount option
f2fs: replace snprintf in show functions with sysfs_emit
f2fs: include non-compressed blocks in compr_written_block
f2fs: fix wrong condition to trigger background checkpoint correctly
f2fs: fix to use WHINT_MODE
f2fs: fix up f2fs_lookup tracepoints
f2fs: set SBI_NEED_FSCK flag when inconsistent node block found
f2fs: introduce excess_dirty_threshold()
f2fs: avoid attaching SB_ACTIVE flag during mount
f2fs: quota: fix potential deadlock
f2fs: should use GFP_NOFS for directory inodes
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This patch adds a new function f2fs_dquot_initialize() to wrap
dquot_initialize(), and it supports to inject fault into
f2fs_dquot_initialize() to simulate inner failure occurs in
dquot_initialize().
Usage:
a) echo 65536 > /sys/fs/f2fs/<dev>/inject_type or
b) mount -o fault_type=65536 <dev> <mountpoint>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Added two options into "mode=" mount option to make it possible for
developers to simulate filesystem fragmentation/after-GC situation
itself. The developers use these modes to understand filesystem
fragmentation/after-GC condition well, and eventually get some
insights to handle them better.
"fragment:segment": f2fs allocates a new segment in ramdom position.
With this, we can simulate the after-GC condition.
"fragment:block" : We can scatter block allocation with
"max_fragment_chunk" and "max_fragment_hole" sysfs
nodes. f2fs will allocate 1..<max_fragment_chunk>
blocks in a chunk and make a hole in the length of
1..<max_fragment_hole> by turns in a newly allocated
free segment. Plus, this mode implicitly enables
"fragment:segment" option for more randomness.
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fixes from Paul Moore:
"Unfortunately I need to request a revert for two LSM/SELinux patches
that came in via the network tree. The two patches in question add a
new SCTP/LSM hook as well as an SELinux implementation of that LSM
hook. The short version of "why?" is in the commit description of the
revert patch, but I'll copy-n-paste the important bits below to save
some time for the curious:
... Unfortunately these two patches were merged without proper
review (the Reviewed-by and Tested-by tags from Richard Haines
were for previous revisions of these patches that were
significantly different) and there are outstanding objections from
the SELinux maintainers regarding these patches.
Work is currently ongoing to correct the problems identified in
the reverted patches, as well as others that have come up during
review, but it is unclear at this point in time when that work
will be ready for inclusion in the mainline kernel. In the
interest of not keeping objectionable code in the kernel for
multiple weeks, and potentially a kernel release, we are reverting
the two problematic patches.
As usual with these things there is plenty of context to go with this
and I'll try to do my best to provide that now. This effort started
with a report of SCTP client side peel-offs not working correctly with
SELinux, Ondrej Mosnacek put forth a patch which he believed properly
addressed the problem but upon review by the netdev folks Xin Long
described some additional issues and submitted an improved patchset
for review. The SELinux folks reviewed Xin Long's initial patchset and
suggested some changes which resulted in a second patchset (v2) from
Xin Long; this is the patchset that is currently in your tree.
Unfortunately this v2 patchset from Xin Long was merged before it had
spent even just 24 hours on the mailing lists during the early days of
the merge window, a time when many of us were busy doing verification
of the newly released v5.15 kernel as well final review and testing of
our v5.16 pull requests. Making matters worse, upon reviewing the v2
patchset there were both changes which were found objectionable by
SELinux standards as well as additional outstanding SCTP/SELinux
interaction problems. At this point we did two things: resumed working
on a better fix for the SCTP/SELinux issue(s) - thank you Ondrej - and
we asked the networking folks to revert the v2 patchset.
The revert request was obviously rejected, but at the time I believed
it was just going to be an issue for linux-next; I wasn't expecting
something this significant that was merged into the networking tree
during the merge window to make it into your tree in the same window,
yet as of last night that is exactly what happened. While we continue
to try and resolve the SCTP/SELinux problem I am asking once again to
revert the v2 patches and not ship the current
security_sctp_assoc_established() hook in a v5.16-rcX kernel. If I was
confident that we could solve these issues in a week, maybe two, I
would refrain from asking for the revert but our current estimate is
for a minimum of two weeks for the next patch revision. With the
likelihood of additional delays due to normal patch review follow-up
and/or holidays it seems to me that the safest course of action is to
revert the patch both to try and keep some objectionable code out of a
release kernel and limit the chances of any new breakages from such a
change. While the SCTP/SELinux code in v5.15 and earlier has problems,
they are known problems, and I'd like to try and avoid creating new
and different problems while we work to fix things properly.
One final thing to mention: Xin Long's v2 patchset consisted of four
patches, yet this revert is for only the last two. We see the first
two patches as good, reasonable, and not likely to cause an issue. In
an attempt to create a cleaner revert patch we suggest leaving the
first two patches in the tree as they are currently"
* tag 'selinux-pr-20211112' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
net,lsm,selinux: revert the security_sctp_assoc_established() hook
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This patch reverts two prior patches, e7310c94024c
("security: implement sctp_assoc_established hook in selinux") and
7c2ef0240e6a ("security: add sctp_assoc_established hook"), which
create the security_sctp_assoc_established() LSM hook and provide a
SELinux implementation. Unfortunately these two patches were merged
without proper review (the Reviewed-by and Tested-by tags from
Richard Haines were for previous revisions of these patches that
were significantly different) and there are outstanding objections
from the SELinux maintainers regarding these patches.
Work is currently ongoing to correct the problems identified in the
reverted patches, as well as others that have come up during review,
but it is unclear at this point in time when that work will be ready
for inclusion in the mainline kernel. In the interest of not keeping
objectionable code in the kernel for multiple weeks, and potentially
a kernel release, we are reverting the two problematic patches.
Signed-off-by: Paul Moore <paul@paul-moore.com>
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Pull more kvm updates from Paolo Bonzini:
"New x86 features:
- Guest API and guest kernel support for SEV live migration
- SEV and SEV-ES intra-host migration
Bugfixes and cleanups for x86:
- Fix misuse of gfn-to-pfn cache when recording guest steal time /
preempted status
- Fix selftests on APICv machines
- Fix sparse warnings
- Fix detection of KVM features in CPUID
- Cleanups for bogus writes to MSR_KVM_PV_EOI_EN
- Fixes and cleanups for MSR bitmap handling
- Cleanups for INVPCID
- Make x86 KVM_SOFT_MAX_VCPUS consistent with other architectures
Bugfixes for ARM:
- Fix finalization of host stage2 mappings
- Tighten the return value of kvm_vcpu_preferred_target()
- Make sure the extraction of ESR_ELx.EC is limited to architected
bits"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits)
KVM: SEV: unify cgroup cleanup code for svm_vm_migrate_from
KVM: x86: move guest_pv_has out of user_access section
KVM: x86: Drop arbitrary KVM_SOFT_MAX_VCPUS
KVM: Move INVPCID type check from vmx and svm to the common kvm_handle_invpcid()
KVM: VMX: Add a helper function to retrieve the GPR index for INVPCID, INVVPID, and INVEPT
KVM: nVMX: Clean up x2APIC MSR handling for L2
KVM: VMX: Macrofy the MSR bitmap getters and setters
KVM: nVMX: Handle dynamic MSR intercept toggling
KVM: nVMX: Query current VMCS when determining if MSR bitmaps are in use
KVM: x86: Don't update vcpu->arch.pv_eoi.msr_val when a bogus value was written to MSR_KVM_PV_EOI_EN
KVM: x86: Rename kvm_lapic_enable_pv_eoi()
KVM: x86: Make sure KVM_CPUID_FEATURES really are KVM_CPUID_FEATURES
KVM: x86: Add helper to consolidate core logic of SET_CPUID{2} flows
kvm: mmu: Use fast PF path for access tracking of huge pages when possible
KVM: x86/mmu: Properly dereference rcu-protected TDP MMU sptep iterator
KVM: x86: inhibit APICv when KVM_GUESTDBG_BLOCKIRQ active
kvm: x86: Convert return type of *is_valid_rdpmc_ecx() to bool
KVM: x86: Fix recording of guest steal time / preempted status
selftest: KVM: Add intra host migration tests
selftest: KVM: Add open sev dev helper
...
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