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Currently 'make C=1 fs/io_uring.o' generates sparse warning:
CHECK fs/io_uring.c
fs/io_uring.c: note: in included file (through
include/trace/trace_events.h, include/trace/define_trace.h, i
nclude/trace/events/io_uring.h):
./include/trace/events/io_uring.h:488:1:
warning: incorrect type in assignment (different base types)
expected unsigned int [usertype] op_flags
got restricted __kernel_rwf_t const [usertype] rw_flags
This happen on cast of sqe->rw_flags which is defined as __kernel_rwf_t,
this type is bitwise and requires __force attribute for any casts.
However rw_flags is a member of the union, and its access can be safely
replaced by using of its neighbours, so let's use poll32_events to fix
the sparse warning.
Signed-off-by: Vasily Averin <vvs@openvz.org>
Link: https://lore.kernel.org/r/6f009241-a63f-ae43-a04b-62841aaef293@openvz.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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drivers/net/ethernet/mellanox/mlx5/core/main.c
b33886971dbc ("net/mlx5: Initialize flow steering during driver probe")
40379a0084c2 ("net/mlx5_fpga: Drop INNOVA TLS support")
f2b41b32cde8 ("net/mlx5: Remove ipsec_ops function table")
https://lore.kernel.org/all/20220519040345.6yrjromcdistu7vh@sx1/
16d42d313350 ("net/mlx5: Drain fw_reset when removing device")
8324a02c342a ("net/mlx5: Add exit route when waiting for FW")
https://lore.kernel.org/all/20220519114119.060ce014@canb.auug.org.au/
tools/testing/selftests/net/mptcp/mptcp_join.sh
e274f7154008 ("selftests: mptcp: add subflow limits test-cases")
b6e074e171bc ("selftests: mptcp: add infinite map testcase")
5ac1d2d63451 ("selftests: mptcp: Add tests for userspace PM type")
https://lore.kernel.org/all/20220516111918.366d747f@canb.auug.org.au/
net/mptcp/options.c
ba2c89e0ea74 ("mptcp: fix checksum byte order")
1e39e5a32ad7 ("mptcp: infinite mapping sending")
ea66758c1795 ("tcp: allow MPTCP to update the announced window")
https://lore.kernel.org/all/20220519115146.751c3a37@canb.auug.org.au/
net/mptcp/pm.c
95d686517884 ("mptcp: fix subflow accounting on close")
4d25247d3ae4 ("mptcp: bypass in-kernel PM restrictions for non-kernel PMs")
https://lore.kernel.org/all/20220516111435.72f35dca@canb.auug.org.au/
net/mptcp/subflow.c
ae66fb2ba6c3 ("mptcp: Do TCP fallback on early DSS checksum failure")
0348c690ed37 ("mptcp: add the fallback check")
f8d4bcacff3b ("mptcp: infinite mapping receiving")
https://lore.kernel.org/all/20220519115837.380bb8d4@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a genpd doesn't have an associated governor assigned, several variables
in the struct generic_pm_domain becomes superfluous.
Rather than wasting memory in allocated genpds, let's move the variables
from the struct generic_pm_domain into a new separate struct. In this way,
we can instead dynamically decide when we need to allocate the
corresponding data for it.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If the corresponding genpd for the device doesn't use a governor, the
variable next_wakeup within the struct generic_pm_domain_data becomes
superfluous.
To avoid wasting memory, let's move it into the struct gpd_timing_data,
which is already being allocated based upon if there is governor assigned.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If a genpd doesn't have an associated governor assigned, there's really no
point to allocate the per device gpd_timing_data, as the data isn't being
used by a governor anyway.
To avoid wasting memory, let's therefore convert the corresponding td
variable in the struct generic_pm_domain_data into a pointer and manage the
allocation of its data dynamically.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This adds helpers for accessing and appending service data (0x16) ad
type.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The communication mean of the _CPC desired performance can be
PCC, System Memory, System IO, or Functional Fixed Hardware.
commit b7898fda5bc7 ("cpufreq: Support for fast frequency switching")
fast_switching is 'for switching CPU frequencies from interrupt
context'.
Writes to SystemMemory and SystemIo are fast and suitable this.
This is not the case for PCC and might not be the case for FFH.
Enable fast_switching for the cppc_cpufreq driver in above cases.
Add cppc_allow_fast_switch() to check the desired performance
register address space and set fast_switching accordingly.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPI 6.2 Section 6.2.11.2 'Platform-Wide OSPM Capabilities':
Starting with ACPI Specification 6.2, all _CPC registers can be in
PCC, System Memory, System IO, or Functional Fixed Hardware address
spaces. OSPM support for this more flexible register space scheme is
indicated by the “Flexible Address Space for CPPC Registers” _OSC bit
Otherwise (cf ACPI 6.1, s8.4.7.1.1.X), _CPC registers must be in:
- PCC or Functional Fixed Hardware address space if defined
- SystemMemory address space (NULL register) if not defined
Add the corresponding _OSC bit and check it when parsing _CPC objects.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@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/djakov/icc into char-misc-next
Georgi writes:
interconnect changes for 5.19
These are the interconnect changes for the 5.19-rc1 merge window
consisting of driver updates.
Driver changes:
- New driver for SC8280XP
- New driver for SDX65
- SC8180X driver fixes
- Constify various data structures in that are never modified
- Fix clock rate caching in RPM drivers.
- Misc fixes and clean-ups
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
dt-bindings: interconnect: Remove sc7180/sdx55 ipa compatibles
interconnect: qcom: sc8180x: Reformat node and bcm definitions
interconnect: qcom: sc8180x: Mark some BCMs keepalive
interconnect: qcom: sc8180x: Fix QUP0 nodes
interconnect: qcom: sc8180x: Modernize sc8180x probe
dt-bindings: interconnect: Add SC8180X QUP0 virt provider
interconnect: qcom: icc-rpm: Cache every clock rate
interconnect: qcom: icc-rpm: Fix for cached clock rate
interconnect: qcom: sc8280xp: constify qcom_icc_bcm pointers
interconnect: qcom: sc8280xp: constify icc_node pointers
interconnect: qcom: sc8280xp: constify qcom_icc_desc
interconnect: qcom: Add SDX65 interconnect provider driver
dt-bindings: interconnect: Add Qualcomm SDX65 DT bindings
interconnect: qcom: constify qcom_icc_bcm pointers
interconnect: qcom: constify icc_node pointers
interconnect: qcom: constify qcom_icc_desc
interconnect: qcom: Add SC8280XP interconnect provider
dt-bindings: interconnect: qcom: Add sc8280xp binding
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default_topology[] uses cpu_clustergroup_mask() for the CLS level
(guarded by CONFIG_SCHED_CLUSTER) which is currently provided by x86
(arch/x86/kernel/smpboot.c) and arm64 (drivers/base/arch_topology.c).
Fixes: 778c558f49a2 ("sched: Add cluster scheduler level in core and related Kconfig for ARM64")
Acked-by: Barry Song <baohua@kernel.org>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Link: https://lore.kernel.org/r/20220513093433.425163-1-dietmar.eggemann@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add devm_register_restart_handler() helper that registers sys-off
handler using restart mode and with a default priority. Most drivers
will want to register restart handler with a default priority, so this
helper will reduce the boilerplate code and make code easier to read and
follow.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add devm_register_power_off_handler() helper that registers sys-off
handler using power-off mode and with a default priority. Most drivers
will want to register power-off handler with a default priority, so this
helper will reduce the boilerplate code and make code easier to read and
follow.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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All pm_power_off_prepare() users were converted to sys-off handler API.
Remove the obsolete global callback variable.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add platform-level registration helpers that will ease transition of the
arch/platform power-off callbacks to the new sys-off based API, allowing
us to remove the global pm_power_off variable in the future.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add kernel_can_power_off() helper that replaces open-coded checks of
the global pm_power_off variable. This is a necessary step towards
supporting chained power-off handlers.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add do_kernel_power_off() helper that will remove open-coded pm_power_off
invocations from the architecture code. This is the first step on the way
to remove the global pm_power_off variable, which will allow us to
implement consistent power-off chaining support.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In order to support power-off chaining we need to get rid of the global
pm_* variables, replacing them with the new kernel API functions that
support chaining.
Introduce new generic sys-off handler API that brings the following
features:
1. Power-off and restart handlers are registered using same API function
that supports chaining, hence all power-off and restart modes will
support chaining using this unified function.
2. Prevents notifier priority collisions by disallowing registration of
multiple handlers at the non-default priority level.
3. Supports passing opaque user argument to callback, which allows us to
remove global variables from drivers.
This patch adds support of the following sys-off modes:
- SYS_OFF_MODE_POWER_OFF_PREPARE that replaces global pm_power_off_prepare
variable and provides chaining support for power-off-prepare handlers.
- SYS_OFF_MODE_POWER_OFF that replaces global pm_power_off variable and
provides chaining support for power-off handlers.
- SYS_OFF_MODE_RESTART that provides a better restart API, removing a need
from drivers to have a global scratch variable by utilizing the opaque
callback argument.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add variant of blocking/atomic_notifier_chain_register() functions that
allow registration of a notifier only if it has unique priority, otherwise
-EBUSY error code is returned by the new functions.
Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add atomic_notifier_call_chain_is_empty() that returns true if given
atomic call chain is empty.
The first user of this new notifier API function will be the kernel
power-off core code that will support power-off call chains. The core
code will need to check whether there is a power-off handler registered
at all in order to decide whether to halt machine or power it off.
Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Only handle color planes that exist in a framebuffer's color format.
Ignore non-existing planes.
So far, several helpers assumed that all 4 planes are available and
silently ignored non-existing planes. This lead to subtil bugs with
uninitialized data in instances of struct iosys_map. [1]
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/dri-devel/20210730183511.20080-1-tzimmermann@suse.de/T/#md0172b10bb588d8f20f4f456e304f08d2a4505f7 # 1
Link: https://patchwork.freedesktop.org/patch/msgid/20220517113327.26919-3-tzimmermann@suse.de
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The dmamux register is located within the system controller.
Without syscon, we need an extra helper in order to give write access to
this register to a dmamux driver.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220427095653.91804-5-miquel.raynal@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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As per the current implementation only single callback data gets saved per
event, driver is throwing an error if try to register multiple callback for
same event. So at time of unregistration of any event required things are
event details and callback handler as parameter of xlnx_unregister_event().
As part of adding support of multiple callbacks for same event also require
change in prototype of xlnx_unregister_event().
During unregistration of any events, now required things are event details,
callback handler and agent's private data as parameter of
xlnx_unregister_event().
Also modify the usage of xlnx_unregister_event() in xilinx/zynqmp_power.c
driver as per new implementation.
Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
Link: https://lore.kernel.org/r/20220427074803.19009-3-abhyuday.godhasara@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The text "dual BSD/GPLv2 license" is somewhat ambiguous, and moving this
over to SPDX is overdue. This commit adds SPDX tags to the relevant
files and clarifies that it's GPLv2 only and 3-clause BSD. It also
removes the old text, so that the SPDX tags are the only source of the
information.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up: There is one caller. The @cpu argument can be made
implicit now that a get_cpu/put_cpu pair is no longer needed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Add 2 new callbacks, lm_lock_expirable and lm_expire_lock, to
lock_manager_operations to allow the lock manager to take appropriate
action to resolve the lock conflict if possible.
A new field, lm_mod_owner, is also added to lock_manager_operations.
The lm_mod_owner is used by the fs/lock code to make sure the lock
manager module such as nfsd, is not freed while lock conflict is being
resolved.
lm_lock_expirable checks and returns true to indicate that the lock
conflict can be resolved else return false. This callback must be
called with the flc_lock held so it can not block.
lm_expire_lock is called to resolve the lock conflict if the returned
value from lm_lock_expirable is true. This callback is called without
the flc_lock held since it's allowed to block. Upon returning from
this callback, the lock conflict should be resolved and the caller is
expected to restart the conflict check from the beginnning of the list.
Lock manager, such as NFSv4 courteous server, uses this callback to
resolve conflict by destroying lock owner, or the NFSv4 courtesy client
(client that has expired but allowed to maintains its states) that owns
the lock.
Reviewed-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
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Add helper locks_owner_has_blockers to check if there is any blockers
for a given lockowner.
Reviewed-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
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Clean up: This field is now always set to zero.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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The second parameter of wait_for_completion_interruptible_timeout()
is a jiffies value whose type is "unsigned long". Avoid an
unnecessary and potentially fraught implicit type conversion at the
wait_for_completion_interruptible_timeout() call site in
cache_wait_req().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Replace the temporary fix from commit 4d5004451ab2 ("SUNRPC: Fix the
svc_deferred_event trace class") with the use of __sockaddr and
friends, which is the preferred solution (but only available in 5.18
and newer).
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Nothing in termbits seems to require anything from linux/posix_types.h.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- Align c_cc defines.
- Remove extra newlines.
- Realign & adjust number of leading zeros.
- Reorder c_cflag defines to ascending order
- Make comment ending shorted (=remove period and one extra space from
the comments in mips).
Co-developed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some defines are the same across all archs. Move the most obvious
intersection to termbits-common.h.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We were restoring the IRQ masks then clearing them again, because
ucon_mask wasn't set properly. Adding that makes suspend/resume
work as intended.
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20220502092505.30934-1-marcan@marcan.st
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v5.19 merge window
This includes following Thunderbolt/USB4 changes for the v5.19 merge
window:
* Improvements for Thunderbolt 1 DisplayPort tunneling
* Link USB4 ports to their USB Type-C connectors
* Lane bonding support for host-to-host (XDomain) connections
* Buffer allocation improvement for devices with no DisplayPort
adapters
* Few cleanups and minor fixes.
All these have been in linux-next with no reported issues except that
there is a minor merge conflict with the kunit-next tree because one of
the commits touches the driver KUnit tests.
* tag 'thunderbolt-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Add KUnit test for devices with no DisplayPort adapters
thunderbolt: Fix buffer allocation of devices with no DisplayPort adapters
thunderbolt: Add support for XDomain lane bonding
thunderbolt: Ignore port locked error in tb_port_wait_for_link_width()
thunderbolt: Split setting link width and lane bonding into own functions
thunderbolt: Move tb_port_state() prototype to correct place
thunderbolt: Add debug logging when lane is enabled/disabled
thunderbolt: Link USB4 ports to their USB Type-C connectors
misc/mei: Add NULL check to component match callback functions
thunderbolt: Use different lane for second DisplayPort tunnel
thunderbolt: Dump path config space entries during discovery
thunderbolt: Use decimal number with port numbers
thunderbolt: Fix typo in comment
thunderbolt: Replace usage of found with dedicated list iterator variable
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can, xfrm and netfilter subtrees.
Notably this reverts a recent TCP/DCCP netns-related change to address
a possible UaF.
Current release - regressions:
- tcp: revert "tcp/dccp: get rid of inet_twsk_purge()"
- xfrm: set dst dev to blackhole_netdev instead of loopback_dev in
ifdown
Previous releases - regressions:
- netfilter: flowtable: fix TCP flow teardown
- can: revert "can: m_can: pci: use custom bit timings for Elkhart
Lake"
- xfrm: check encryption module availability consistency
- eth: vmxnet3: fix possible use-after-free bugs in
vmxnet3_rq_alloc_rx_buf()
- eth: mlx5: initialize flow steering during driver probe
- eth: ice: fix crash when writing timestamp on RX rings
Previous releases - always broken:
- mptcp: fix checksum byte order
- eth: lan966x: fix assignment of the MAC address
- eth: mlx5: remove HW-GRO from reported features
- eth: ftgmac100: disable hardware checksum on AST2600"
* tag 'net-5.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (50 commits)
net: bridge: Clear offload_fwd_mark when passing frame up bridge interface.
ptp: ocp: change sysfs attr group handling
selftests: forwarding: fix missing backslash
netfilter: nf_tables: disable expression reduction infra
netfilter: flowtable: move dst_check to packet path
netfilter: flowtable: fix TCP flow teardown
net: ftgmac100: Disable hardware checksum on AST2600
igb: skip phy status check where unavailable
nfc: pn533: Fix buggy cleanup order
mptcp: Do TCP fallback on early DSS checksum failure
mptcp: fix checksum byte order
net: af_key: check encryption module availability consistency
net: af_key: add check for pfkey_broadcast in function pfkey_process
net/mlx5: Drain fw_reset when removing device
net/mlx5e: CT: Fix setting flow_source for smfs ct tuples
net/mlx5e: CT: Fix support for GRE tuples
net/mlx5e: Remove HW-GRO from reported features
net/mlx5e: Properly block HW GRO when XDP is enabled
net/mlx5e: Properly block LRO when XDP is enabled
net/mlx5e: Block rx-gro-hw feature in switchdev mode
...
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git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-next
Moritz writes:
FPGA Manager changes for 5.19-rc1
FPGA Manager
- My change moves the linux-fpga repository to a shared
location w/ shared responsibilities between maintainers
- Nava's changes fix coding style and kernel-docs
DFL
- Matthew's change allows ports to be linked to FMEs.
- Tianfei's changes clean up some documentation and
ensure the feature type is checked before parsing IRQs
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of our for-next branch).
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga:
fpga: dfl: Allow Port to be linked to FME's DFL
Documentation: fpga: dfl: add link address of feature id table
fpga: dfl: check feature type before parse irq info
fpga: fpga-region: fix kernel-doc formatting issues
fpga: Use tab instead of space indentation
fpga: fpga-mgr: fix kernel-doc warnings
fpga: fix for coding style issues
MAINTAINERS: Update linux-fpga repository location
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git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon next for v5.19
Detailed description for this pull request:
1. update extcon core driver
- extcon_get_extcon_dev() has been almost used to get the extcon device
on booting time. If extcon provider driver is probed at late time,
the extcon consumer driver get the -EPROBE_DEFER return value.
It requires the inefficient handling code of -EPROBE_DEFER.
Instead, extcon_get_extcon_dev() will return -EPROBE_DEFER
if the required extcon device is none. It makes the extcon consumer driver
to be simplified when getting extcon device.
- Register device after dev_set_drvdata because of accessing
the sysfs attributes at timing of between drv_set_data and device_register.
- Fix some kernel-doc comments of extcon functions.
2. update extcon provider driver
- Update extcon-intel-int3496.c
: Add support for controlling vbus power via regulator and support
to the extcon-intel-int3496.c driver to bind to devices without
an ACPi companion. And fix the minor clean-up.
- Use struct_size() helper on extcon-usbc-cros-ec.c
- Remove the disable irq operation in system sleep for using vbus/id
gpio as the wakeup source on extcon-usb-gpio.c
- Add support of SM5703 device by using existing extcon-sm5502.c
and rename i2c_devic_id from sm5703 to sm5703-muic to reduce confusion
between SM5703 MFD device and extcon device.
- Add usb role class support and add queue work sync before driver release
on extcon-ptn5150.c
* tag 'extcon-next-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon:
extcon: Modify extcon device to be created after driver data is set
extcon: sm5502: Clarify SM5703's i2c device ID
extcon: ptn5150: Add usb role class support
extcon: ptn5150: Add queue work sync before driver release
extcon: sm5502: Add support for SM5703
dt-bindings: extcon: bindings for SM5703
extcon: usb-gpio: Remove disable irq operation in system sleep
extcon: Fix some kernel-doc comments
extcon: usbc-cros-ec: Use struct_size() helper in kzalloc()
extcon: int3496: Add support for controlling Vbus through a regulator
extcon: int3496: Add support for binding to plain platform devices
extcon: int3496: Request non-exclusive access to the ID GPIO
extcon: int3496: Make the driver a bit less verbose
extcon: Fix extcon_get_extcon_dev() error handling
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-work-next
Vinod writes:
phy-for-5.19
- New support:
- LVDS configuration support and implementation in fsl driver
- Qualcomm UFS phy support for SM6350 and USB PHY for SDX65
- Allwinner D-PHY Rx mode support
- Yamilfy Mixel mipi-dsi-phy
- Updates:
- Documentation for phy ops order
- Can transceiver mux support
- Qualcomm QMP phy updates
- Uniphier phy updates
* tag 'phy-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (40 commits)
phy: qcom-qmp: rename error labels
phy: qcom-qmp: fix pipe-clock imbalance on power-on failure
phy: qcom-qmp: switch to explicit reset helpers
phy: qcom-qmp: fix reset-controller leak on probe errors
phy: qcom-qmp: fix struct clk leak on probe errors
dt-bindings: phy: renesas,usb2-phy: Document RZ/G2UL phy bindings
dt-bindings: phy: marvell,armada-3700-utmi-host-phy: Fix incorrect compatible in example
phy: qcom-qmp: fix phy-descriptor kernel-doc typo
phy: rockchip-inno-usb2: Clean up some inconsistent indenting
phy: freescale: imx8m-pcie: Handle IMX8_PCIE_REFCLK_PAD_UNUSED
phy: core: Warn when phy_power_on is called before phy_init
phy: core: Update documentation syntax
phy: core: Add documentation of phy operation order
phy: rockchip-inno-usb2: Handle ID IRQ
phy: rockchip-inno-usb2: Handle bvalid falling
phy: rockchip-inno-usb2: Support multi-bit mask properties
phy: rockchip-inno-usb2: Do not lock in bvalid IRQ handler
phy: rockchip-inno-usb2: Do not check bvalid twice
phy: rockchip-inno-usb2: Fix muxed interrupt support
phy: allwinner: phy-sun6i-mipi-dphy: Support D-PHY Rx mode for MIPI CSI-2
...
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randomize_page is an mm function. It is documented like one. It contains
the history of one. It has the naming convention of one. It looks
just like another very similar function in mm, randomize_stack_top().
And it has always been maintained and updated by mm people. There is no
need for it to be in random.c. In the "which shape does not look like
the other ones" test, pointing to randomize_page() is correct.
So move randomize_page() into mm/util.c, right next to the similar
randomize_stack_top() function.
This commit contains no actual code changes.
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The register_random_ready_notifier() notifier is somewhat complicated,
and was already recently rewritten to use notifier blocks. It is only
used now by one consumer in the kernel, vsprintf.c, for which the async
mechanism is really overly complex for what it actually needs. This
commit removes register_random_ready_notifier() and unregister_random_
ready_notifier(), because it just adds complication with little utility,
and changes vsprintf.c to just check on `!rng_is_initialized() &&
!rng_has_arch_random()`, which will eventually be true. Performance-
wise, that code was already using a static branch, so there's basically
no overhead at all to this change.
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Petr Mladek <pmladek@suse.com> # for vsprintf.c
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The RNG incorporates RDRAND into its state at boot and every time it
reseeds, so there's no reason for callers to use it directly. The
hashing that the RNG does on it is preferable to using the bytes raw.
The only current use case of get_random_bytes_arch() is vsprintf's
siphash key for pointer hashing, which uses it to initialize the pointer
secret earlier than usual if RDRAND is available. In order to replace
this narrow use case, just expose whether RDRAND is mixed into the RNG,
with a new function called rng_has_arch_random(). With that taken care
of, there are no users of get_random_bytes_arch() left, so it can be
removed.
Later, if trust_cpu gets turned on by default (as most distros are
doing), this one use of rng_has_arch_random() can probably go away as
well.
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Petr Mladek <pmladek@suse.com> # for vsprintf.c
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The current code was a mix of "nbytes", "count", "size", "buffer", "in",
and so forth. Instead, let's clean this up by naming input parameters
"buf" (or "ubuf") and "len", so that you always understand that you're
reading this variety of function argument.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Before these were returning signed values, but the API is intended to be
used with unsigned values.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Accoriding to the kernel style guide, having `extern` on functions in
headers is old school and deprecated, and doesn't add anything. So remove
them from random.h, and tidy up the file a little bit too.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
First set of IIO new device support, features and cleanup for 5.19
Usual mixed bag. Stand out this time is Andy Shevchenko's continuing
effort to move drivers over the generic firmware interfaces.
Device support
* sprd,sc2720
- upm9620 binding addition.
- Refactor and support for sc2720, sc2721 and sc2730.
* ti,ads1015
- Refactor driver and add support for TLA2024.
Device support (IDs only)
* invensense,mpu6050
- Add ID for ICM-20608-D.
* st,accel:
- Add ID for lis302dl.
* st,lsm6dsx
- Add support for ASM330LHHX (can fallback to LSM6DSR.)
Features
* convert drivers to device properties
- IIO core
- adi,ad7266
- adi,adis16480
- adi,adxl355
- bosch,bmi160
- domintech,dmard06
- fsl,fxas21002c
- invensense,mpu3050
- linear,ltc2983
- linear,ltc2632
- maxbotix,mb1232
- maxim,max31856
- maxim,max31865
- multiplexer
- ping
- rescale
- taos,tsl2772
* core
- Add runtime check on whether realbits fit in storagebits for each
channel.
* adi,ad_sigma_delta
- Add sequencer support and relevant update_scan_mode callbacks for
adi,ad7192 and adi,ad7124.
Cleanup and minor fixes
* MAINTAINERS
- Update Lorenzo Bianconi's email address for IIO drivers.
- Add entry for ad3552r and update maintainer in dt-binding doc.
* tree-wide
- Replace strtobool() with kstrtobool().
- Drop false OF dependencies.
* core
- Tidy up and document IIO modes.
- Take iio_buffer_enabled() out of header allowing current_mode to be
moved to the opaque structure.
- As all kfifo buffers use the same mode value, drop that parameter
and set it unconditionally.
- White space fixes and similar.
- Drop use of list iterator variable for
list_for_each_entry_continue_reverse and use list_prepare_entry to
restart.
* sysfs-trigger
- Replace use of 'found' variable with dedicate list iterator variable.
* adi,ad7124
- Drop misleading shift.
* adi,ad2s1210
- Remove redundant local variable assignment.
* adi,adis16480
- Use local device pointer to reduce repetition.
- Improve handling of clocks.
* domintech,dmard09
- White space.
* dummy driver
- Improve error handling.
* fsl,mma8452
- Add missing documentation of name element.
* invensense,mpu3050
- Stop remove() returning non 0.
* kionix,kxsd9
- White space.
* linear,ltc2688
- Use local variable for struct device.
- Combine of_node_put() error handling paths.
* linear,ltc2983
- Avoid use of constants in messages where a define is available.
* microchip,mcp4131
- Fix compatible in dt example.
* pni,rm3100
- Stop directly accessing iio_dev->current_mode just to find out
if the buffer is enabled.
* renesas,rzg2l
- Relax kconfig constraint to include newer devices.
* sprd,sc27xx
- Fix wrong scaling mask.
- Improve the calibration values.
* samsung,ssp
- Replace a 'found' variable in favor of an explicit value that was
found.
* sensortek,stk3xx
- Add proximity-near-level binding and driver support.
* st,st_sensors:
- Drop unused accel_type enum.
- Return early in *_write_raw()
- Drop unnecessary locking in _avail functions.
- Add local lock to protect odr against concurrent updates allowing
mlock to no longer be used outside of the core.
- Use iio_device_claim_direct_mode() rather than racy checking of
the current mode.
* st,stmpe-adc
- Fix checks on wait_for_completion_timeout().
- Allow use of of_device_id for matching.
* st,stm32-dfsdm
- Stop accessing iio_dev->current_mode to find out if the buffer
is enabled (so we can hide that variable in the opaque structure)
* st,vl53l0x
- Fix checks on wait_for_completion_timeout.
* ti,ads1015
- Add missing ID for ti,ads1115 in binding doc.
- Convert from repeated chip ID look up to selecting static const
data.
- Switch to read_avail() callback.
* ti,ads8688
- Use of_device_id for driver matching.
* ti,palmas-adc
- Drop a warning on minor calibration mismatch leading to slightly
negative values after applying the calibration.
* tag 'iio-for-5.19a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (95 commits)
iio: ti-ads8688: use of_device_id for OF matching
iio: stmpe-adc: use of_device_id for OF matching
dt-bindings: iio: Fix incorrect compatible strings in examples
iio: gyro: mpu3050: Make mpu3050_common_remove() return void
iio: dac: ltc2632: Make use of device properties
iio: temperature: max31865: Make use of device properties
iio: proximity: mb1232: Switch to use fwnode_irq_get()
iio: imu: adis16480: Improve getting the optional clocks
iio: imu: adis16480: Use temporary variable for struct device
iio: imu: adis16480: Make use of device properties
staging: iio: ad2s1210: remove redundant assignment to variable negative
iio: adc: sc27xx: add support for PMIC sc2730
iio: adc: sc27xx: add support for PMIC sc2720 and sc2721
iio: adc: sc27xx: refactor some functions for support more PMiCs
iio: adc: sc27xx: structure adjustment and optimization
iio: adc: sc27xx: Fine tune the scale calibration values
iio: adc: sc27xx: fix read big scale voltage not right
dt-bindings:iio:adc: add sprd,ump9620-adc dt-binding
iio: proximity: stk3310: Export near level property for proximity sensor
dt-bindings: iio: light: stk33xx: Add proximity-near-level
...
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Add devicetree and pinfunc bindings for MediaTek Helio X10 MT6795.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220517083957.11816-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Sync the xs_wire.h header file in Linux with the one in Xen.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20220513211938.719341-1-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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There is no external user of xenbus_grant_ring() left, so merge it into
the only caller xenbus_setup_ring().
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Most PV device frontends share very similar code for setting up shared
ring buffers:
- allocate page(s)
- init the ring admin data
- give the backend access to the ring via grants
Tearing down the ring requires similar actions in all frontends again:
- remove grants
- free the page(s)
Provide service functions xenbus_setup_ring() and xenbus_teardown_ring()
for that purpose.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Update include/xen/interface/io/ring.h to its newest version.
Switch the two improper use cases of RING_HAS_UNCONSUMED_RESPONSES() to
XEN_RING_NR_UNCONSUMED_RESPONSES() in order to avoid the nasty
XEN_RING_HAS_UNCONSUMED_IS_BOOL #define.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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