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Each context stores the RXFH settings (indir, key, and hfunc) as well
as optionally some driver private data.
Delete any still-existing contexts at netdev unregister time.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://patch.msgid.link/cbd1c402cec38f2e03124f2ab65b4ae4e08bd90d.1719502240.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net_dev->ethtool is a pointer to new struct ethtool_netdev_state, which
currently contains only the wol_enabled field.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://patch.msgid.link/293a562278371de7534ed1eb17531838ca090633.1719502239.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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queue_logical_block_size is never called with a 0 queue, and the
logical_block_size field in queue_limits is always initialized for
a live queue.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240627111407.476276-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It can be convenient for other in-kernel drivers to reuse IIO channel
labels. Export the iio_read_channel_label function to allow this. The
signature is different depending on where we are calling it from, so
the meat is moved to do_iio_read_channel_label.
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240624174601.1527244-2-sean.anderson@linux.dev
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Since this function is supposed to return boost_enabled which is anyway
a bool type make sure that it's return value is also marked as bool.
This helps maintain better consistency in data types being used.
Signed-off-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20240627060117.1809477-1-d-gole@ti.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This fixes the following deadlock introduced by 39a92a55be13
("bluetooth/l2cap: sync sock recv cb and release")
============================================
WARNING: possible recursive locking detected
6.10.0-rc3-g4029dba6b6f1 #6823 Not tainted
--------------------------------------------
kworker/u5:0/35 is trying to acquire lock:
ffff888002ec2510 (&chan->lock#2/1){+.+.}-{3:3}, at:
l2cap_sock_recv_cb+0x44/0x1e0
but task is already holding lock:
ffff888002ec2510 (&chan->lock#2/1){+.+.}-{3:3}, at:
l2cap_get_chan_by_scid+0xaf/0xd0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&chan->lock#2/1);
lock(&chan->lock#2/1);
*** DEADLOCK ***
May be due to missing lock nesting notation
3 locks held by kworker/u5:0/35:
#0: ffff888002b8a940 ((wq_completion)hci0#2){+.+.}-{0:0}, at:
process_one_work+0x750/0x930
#1: ffff888002c67dd0 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0},
at: process_one_work+0x44e/0x930
#2: ffff888002ec2510 (&chan->lock#2/1){+.+.}-{3:3}, at:
l2cap_get_chan_by_scid+0xaf/0xd0
To fix the original problem this introduces l2cap_chan_lock at
l2cap_conless_channel to ensure that l2cap_sock_recv_cb is called with
chan->lock held.
Fixes: 89e856e124f9 ("bluetooth/l2cap: sync sock recv cb and release")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Some Broadcom controllers found on Apple Silicon machines abuse the
reserved bits inside the PHY fields of LE Extended Advertising Report
events for additional flags. Add a quirk to drop these and correctly
extract the Primary/Secondary_PHY field.
The following excerpt from a btmon trace shows a report received with
"Reserved" for "Primary PHY" on a 4388 controller:
> HCI Event: LE Meta Event (0x3e) plen 26
LE Extended Advertising Report (0x0d)
Num reports: 1
Entry 0
Event type: 0x2515
Props: 0x0015
Connectable
Directed
Use legacy advertising PDUs
Data status: Complete
Reserved (0x2500)
Legacy PDU Type: Reserved (0x2515)
Address type: Random (0x01)
Address: 00:00:00:00:00:00 (Static)
Primary PHY: Reserved
Secondary PHY: No packets
SID: no ADI field (0xff)
TX power: 127 dBm
RSSI: -60 dBm (0xc4)
Periodic advertising interval: 0.00 msec (0x0000)
Direct address type: Public (0x00)
Direct address: 00:00:00:00:00:00 (Apple, Inc.)
Data length: 0x00
Cc: stable@vger.kernel.org
Fixes: 2e7ed5f5e69b ("Bluetooth: hci_sync: Use advertised PHYs on hci_le_ext_create_conn_sync")
Reported-by: Janne Grunau <j@jannau.net>
Closes: https://lore.kernel.org/all/Zjz0atzRhFykROM9@robin
Tested-by: Janne Grunau <j@jannau.net>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Add the device-tree bindings for interconnect providers
used on MSM8953 platform.
Signed-off-by: Vladimir Lypak <vladimir.lypak@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Link: https://lore.kernel.org/r/20240628-msm8953-interconnect-v3-1-a70d582182dc@mainlining.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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The 'offline' file in sysfs shows all offline CPUs, including those
that aren't present. User-space is expected to remove not-present CPUs
from this list to learn which CPUs could be brought online.
CPUs can be present but not-enabled. These CPUs can't be brought online
until the firmware policy changes, which comes with an ACPI notification
that will register the CPUs.
With only the offline and present files, user-space is unable to
determine which CPUs it can try to bring online. Add a new CPU mask
that shows this based on all the registered CPUs.
Signed-off-by: James Morse <james.morse@arm.com>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Tested-by: Jianyong Wu <jianyong.wu@arm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-20-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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To support virtual CPU hotplug, ACPI has added an 'online capable' bit
to the MADT GICC entries. This indicates a disabled CPU entry may not
be possible to online via PSCI until firmware has set enabled bit in
_STA.
This means that a "usable" GIC redistributor is one that is marked as
either enabled, or online capable. The meaning of the
acpi_gicc_is_usable() would become less clear than just checking the
pair of flags at call sites. As such, drop that helper function.
The test in gic_acpi_match_gicc() remains as testing just the
enabled bit so the count of enabled distributors is correct.
What about the redistributor in the GICC entry? ACPI doesn't want to say.
Assume the worst: When a redistributor is described in the GICC entry,
but the entry is marked as disabled at boot, assume the redistributor
is inaccessible.
The GICv3 driver doesn't support late online of redistributors, so this
means the corresponding CPU can't be brought online either.
Rather than modifying cpu masks that may already have been used,
register a new cpuhp callback to fail this case. This must run earlier
than the main gic_starting_cpu() so that this case can be rejected
before the section of cpuhp that runs on the CPU that is coming up as
that is not allowed to fail. This solution keeps the handling of this
broken firmware corner case local to the GIC driver. As precise ordering
of this callback doesn't need to be controlled as long as it is
in that initial prepare phase, use CPUHP_BP_PREPARE_DYN.
Systems that want CPU hotplug in a VM can ensure their redistributors
are always-on, and describe them that way with a GICR entry in the MADT.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Co-developed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240529133446.28446-15-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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struct acpi_scan_handler has a detach callback that is used to remove
a driver when a bus is changed. When interacting with an eject-request,
the detach callback is called before _EJ0.
This means the ACPI processor driver can't use _STA to determine if a
CPU has been made not-present, or some of the other _STA bits have been
changed. acpi_processor_remove() needs to know the value of _STA after
_EJ0 has been called.
Add a post_eject callback to struct acpi_scan_handler. This is called
after acpi_scan_hot_remove() has successfully called _EJ0. Because
acpi_scan_check_and_detach() also clears the handler pointer,
it needs to be told if the caller will go on to call
acpi_bus_post_eject(), so that acpi_device_clear_enumerated()
and clearing the handler pointer can be deferred.
An extra flag is added to flags field introduced in the previous
patch to achieve this.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Tested-by: Jianyong Wu <jianyong.wu@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-11-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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If CONFIG_ACPI_PROCESSOR provide a helper to retrieve the
acpi_handle for a given CPU allowing access to methods
in DSDT.
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-8-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Separate code paths, combined with a flag set in acpi_processor.c to
indicate a struct acpi_processor was for a hotplugged CPU ensured that
per CPU data was only set up the first time that a CPU was initialized.
This appears to be unnecessary as the paths can be combined by letting
the online logic also handle any CPUs online at the time of driver load.
Motivation for this change, beyond simplification, is that ARM64
virtual CPU HP uses the same code paths for hotplug and cold path in
acpi_processor.c so had no easy way to set the flag for hotplug only.
Removing this necessity will enable ARM64 vCPU HP to reuse the existing
code paths.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Miguel Luis <miguel.luis@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-2-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/drivers
MediaTek driver updates for v6.11
This adds the previously missed Tone Curve Conversion (TCC)
MuteX bit to enable the same in MDP3 on the the MT8188 SoC,
disables 9-bit Alpha for display HDR support in MT8195 and
adds math operation support in the Global Command Engine for
all MediaTek SoCs, which will be used in the near future in
the ISP driver.
* tag 'mtk-soc-for-v6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
soc: mtk-cmdq: Add cmdq_pkt_logic_command to support math operation
soc: mediatek: Disable 9-bit alpha in ETHDR
soc: mediatek: mtk-mutex: Add MDP_TCC0 mod to MT8188 mutex table
Link: https://lore.kernel.org/r/20240628093801.126013-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Sometimes we need to track the processing order of requests with
ioprio set. So the ioprio of request can be useful information.
Example：
block_rq_insert: 8,0 RA 16384 () 6500840 + 32 be,0,6 [binder:815_3]
block_rq_issue: 8,0 RA 16384 () 6500840 + 32 be,0,6 [binder:815_3]
block_rq_complete: 8,0 RA () 6500840 + 32 be,0,6 [0]
Signed-off-by: Dongliang Cui <dongliang.cui@unisoc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20240614074936.113659-1-dongliang.cui@unisoc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Move the bvec interation into the generate/verify helpers to avoid a bit
of argument passing churn.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240626045950.189758-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull bcachefs fixes from Kent Overstreet:
"Simple stuff:
- NULL ptr/err ptr deref fixes
- fix for getting wedged on shutdown after journal error
- fix missing recalc_capacity() call, capacity now changes correctly
after a device goes read only
however: our capacity calculation still doesn't take into account
when we have mixed ro/rw devices and the ro devices have data on
them, that's going to be a more involved fix to separate accounting
for "capacity used on ro devices" and "capacity used on rw devices"
- boring syzbot stuff
Slightly more involved:
- discard, invalidate workers are now per device
this has the effect of simplifying how we take device refs in these
paths, and the device ref cleanup fixes a longstanding race between
the device removal path and the discard path
- fixes for how the debugfs code takes refs on btree_trans objects we
have debugfs code that prints in use btree_trans objects.
It uses closure_get() on trans->ref, which is mainly for the cycle
detector, but the debugfs code was using it on a closure that may
have hit 0, which is not allowed; for performance reasons we cannot
avoid having not-in-use transactions on the global list.
Introduce some new primitives to fix this and make the
synchronization here a whole lot saner"
* tag 'bcachefs-2024-06-28' of https://evilpiepirate.org/git/bcachefs:
bcachefs: Fix kmalloc bug in __snapshot_t_mut
bcachefs: Discard, invalidate workers are now per device
bcachefs: Fix shift-out-of-bounds in bch2_blacklist_entries_gc
bcachefs: slab-use-after-free Read in bch2_sb_errors_from_cpu
bcachefs: Add missing bch2_journal_do_writes() call
bcachefs: Fix null ptr deref in journal_pins_to_text()
bcachefs: Add missing recalc_capacity() call
bcachefs: Fix btree_trans list ordering
bcachefs: Fix race between trans_put() and btree_transactions_read()
closures: closure_get_not_zero(), closure_return_sync()
bcachefs: Make btree_deadlock_to_text() clearer
bcachefs: fix seqmutex_relock()
bcachefs: Fix freeing of error pointers
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Pull block fixes from Jens Axboe:
"NVMe fixes via Keith:
- Fabrics fixes (Hannes)
- Missing module description (Jeff)
- Clang warning fix (Nathan)"
* tag 'block-6.10-20240628' of git://git.kernel.dk/linux:
nvmet-fc: Remove __counted_by from nvmet_fc_tgt_queue.fod[]
nvmet: make 'tsas' attribute idempotent for RDMA
nvme: fixup comment for nvme RDMA Provider Type
nvme-apple: add missing MODULE_DESCRIPTION()
nvmet: do not return 'reserved' for empty TSAS values
nvme: fix NVME_NS_DEAC may incorrectly identifying the disk as EXT_LBA.
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/dt
More attention for the rk3128 soc (dsi, i2c, spdif, sfc), hdmi-sound
for a rk3066a board and some minor cleanups.
* tag 'v6.11-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: add #sound-dai-cells to hdmi node on rk3128
ARM: dts: rockchip: add #sound-dai-cells to hdmi node no rk3036
ARM: dts: rockchip: enable hdmi_sound and i2s0 for mk808 hdmi
ARM: dts: rockchip: Add SFC for RK3128
ARM: dts: rockchip: add hdmi-sound node to rk3066a
ARM: dts: rockchip: Add spdif node for RK3128
ARM: dts: rockchip: Add i2s nodes for RK3128
ARM: dts: rockchip: Add DSI for RK3128
ARM: dts: rockchip: Add D-PHY for RK3128
dt-bindings: clock: rk3128: Add PCLK_MIPIPHY
Link: https://lore.kernel.org/r/2187283.irdbgypaU6@diego
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Marvell 88PM886 is a PMIC which provides various functions such as
onkey, battery, charger and regulators. It is found for instance in the
samsung,coreprimevelte smartphone with which this was tested. Implement
basic support to allow for the use of regulators and onkey.
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/20240531175109.15599-3-balejk@matfyz.cz
Signed-off-by: Lee Jones <lee@kernel.org>
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Introduce support for Cirrus Logic Device CS40L50: a
haptic driver with waveform memory, integrated DSP,
and closed-loop algorithms.
The MFD component registers and initializes the device.
Signed-off-by: James Ogletree <jogletre@opensource.cirrus.com>
Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20240620161745.2312359-4-jogletre@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
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A write sequence is a sequence of register addresses
and values executed by some Cirrus DSPs following
certain power state transitions.
Add support for Cirrus drivers to update or add to a
write sequence present in firmware.
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: James Ogletree <jogletre@opensource.cirrus.com>
Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20240620161745.2312359-2-jogletre@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
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statmount() can export arbitrary strings, so utilize the __spare1 slot
for a mnt_opts string pointer, and then support asking for and setting
the mount options during statmount(). This calls into the helper for
showing mount options, which already uses a seq_file, so fits in nicely
with our existing mechanism for exporting strings via statmount().
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/3aa6bf8bd5d0a21df9ebd63813af8ab532c18276.1719257716.git.josef@toxicpanda.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
[brauner: only call sb->s_op->show_options()]
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Expose new capability to support changing the number of EQs available
to other functions.
Fixes: 93197c7c509d ("mlx5/core: Support max_io_eqs for a function")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: William Tu <witu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SFF-8024 is used to define various constants re-used in several SFF
SFP-related specifications.
Add SFF-8024 extended compliance code definitions for CMIS compliant
modules and use them in the next patch to determine the firmware flashing
work.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some operations cannot be performed during the firmware flashing
process.
For example:
- Port must be down during the whole flashing process to avoid packet loss
while committing reset for example.
- Writing to EEPROM interrupts the flashing process, so operations like
ethtool dump, module reset, get and set power mode should be vetoed.
- Split port firmware flashing should be vetoed.
In order to veto those scenarios, add a flag in 'struct net_device' that
indicates when a firmware flash is taking place on the module and use it
to prevent interruptions during the process.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CMIS compliant modules such as QSFP-DD might be running a firmware that
can be updated in a vendor-neutral way by exchanging messages between
the host and the module as described in section 7.3.1 of revision 5.2 of
the CMIS standard.
Add a pair of new ethtool messages that allow:
* User space to trigger firmware update of transceiver modules
* The kernel to notify user space about the progress of the process
The user interface is designed to be asynchronous in order to avoid
RTNL being held for too long and to allow several modules to be
updated simultaneously. The interface is designed with CMIS compliant
modules in mind, but kept generic enough to accommodate future use
cases, if these arise.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ethtool can already retrieve information from a transceiver module
EEPROM by invoking the ethtool_ops::get_module_eeprom_by_page operation.
Add a corresponding operation that allows ethtool to write to a
transceiver module EEPROM.
The new write operation is purely an in-kernel API and is not exposed to
user space.
The purpose of this operation is not to enable arbitrary read / write
access, but to allow the kernel to write to specific addresses as part
of transceiver module firmware flashing. In the future, more
functionality can be implemented on top of these read / write
operations.
Adjust the comments of the 'ethtool_module_eeprom' structure as it is
no longer used only for read access.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For users that hold a reference to a pidfd procfs might not even be
available nor is it desirable to parse through procfs just for the sake
of getting namespace file descriptors for a process.
Make it possible to directly retrieve namespace file descriptors from a
pidfd. Pidfds already can be used with setns() to change a set of
namespaces atomically.
Link: https://lore.kernel.org/r/20240627-work-pidfs-v1-4-7e9ab6cc3bb1@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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They all contains struct ns_common ns and if there ever is one where
that isn't the case we'll catch it here at build time.
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add a simple cleanup helper for nsproxy.
Link: https://lore.kernel.org/r/20240627-work-pidfs-v1-2-7e9ab6cc3bb1@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add a helper that returns the file descriptor and ensures that the old
variable contains a negative value. This makes it easy to rely on
CLASS(get_unused_fd).
Link: https://lore.kernel.org/r/20240627-work-pidfs-v1-1-7e9ab6cc3bb1@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Fix the definition of BSS_CHANGED_UNSOL_BCAST_PROBE_RESP so that
not all higher bits get set, 1<<31 is a signed variable, so when
we do
u64 changed = BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
we get sign expansion, so the value is 0xffff'ffff'8000'0000 and
that's clearly not desired. Use BIT_ULL() to make it unsigned as
well as the right type for the change flags.
Fixes: 178e9d6adc43 ("wifi: mac80211: fix unsolicited broadcast probe config")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240627104257.06174d291db2.Iba0d642916eb78a61f8ab2cc5ca9280783d9c1db@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This flag is annoying because it puts a lot of logic into mac80211
that could just as well be in the driver (only iwlmvm uses it) and
the implementation is also broken for MLO.
Remove the flag in favour of calling drv_mgd_prepare_tx() without
any conditions even for the deauth-while-assoc case. The drivers
that implement it can take the appropriate actions, which for the
only user of DEAUTH_NEED_MGD_TX_PREP (iwlmvm) is a bit more tricky
than the implementation in mac80211 is anyway, and all others have
no need and can just exit if info->was_assoc is set.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240627132527.94924bcc9c9e.I328a219e45f2e2724cd52e75bb9feee3bf21a463@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In order to utilize the listmount() and statmount() extensions that
allow us to call them on different namespaces we need a way to get the
mnt namespace id from user space. Add an ioctl to nsfs that will allow
us to extract the mnt namespace id in order to make these new extensions
usable.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/180449959d5a756af7306d6bda55f41b9d53e3cb.1719243756.git.josef@toxicpanda.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Expand struct mnt_id_req to add an optional mnt_ns_id field. When this
field is populated, listmount() will be performed on the specified mount
namespace, provided the currently application has CAP_SYS_ADMIN in its
user namespace and the mount namespace is a child of the current
namespace.
Co-developed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/49930bdce29a8367a213eb14c1e68e7e49284f86.1719243756.git.josef@toxicpanda.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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In order to allow users to iterate through children mount namespaces via
listmount we need a way for them to know what the ns id for the mount.
Add a new field to statmount called mnt_ns_id which will carry the ns id
for the given mount entry.
Co-developed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/6dabf437331fb7415d886f7c64b21cb2a50b1c66.1719243756.git.josef@toxicpanda.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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util-linux is about to implement listmount() and statmount() support.
Karel requested the ability to scan the mount table in backwards order
because that's what libmount currently does in order to get the latest
mount first. We currently don't support this in listmount(). Add a new
LISTMOUNT_REVERSE flag to allow listing mounts in reverse order. For
example, listing all child mounts of /sys without LISTMOUNT_REVERSE
gives:
/sys/kernel/security @ mnt_id: 4294968369
/sys/fs/cgroup @ mnt_id: 4294968370
/sys/firmware/efi/efivars @ mnt_id: 4294968371
/sys/fs/bpf @ mnt_id: 4294968372
/sys/kernel/tracing @ mnt_id: 4294968373
/sys/kernel/debug @ mnt_id: 4294968374
/sys/fs/fuse/connections @ mnt_id: 4294968375
/sys/kernel/config @ mnt_id: 4294968376
whereas with LISTMOUNT_REVERSE it gives:
/sys/kernel/config @ mnt_id: 4294968376
/sys/fs/fuse/connections @ mnt_id: 4294968375
/sys/kernel/debug @ mnt_id: 4294968374
/sys/kernel/tracing @ mnt_id: 4294968373
/sys/fs/bpf @ mnt_id: 4294968372
/sys/firmware/efi/efivars @ mnt_id: 4294968371
/sys/fs/cgroup @ mnt_id: 4294968370
/sys/kernel/security @ mnt_id: 4294968369
Link: https://lore.kernel.org/r/20240607-vfs-listmount-reverse-v1-4-7877a2bfa5e5@kernel.org
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add a simple cleanup helper so we can cleanup struct path easily.
No need for any extra machinery. Avoid DEFINE_FREE() as it causes a
local copy of struct path to be used. Just rely on path_put() directly
called from a cleanup helper.
Link: https://lore.kernel.org/r/20240607-vfs-listmount-reverse-v1-2-7877a2bfa5e5@kernel.org
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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There are two spelling mistakes in the tracepoint message text. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240627170847.125531-1-colin.i.king@gmail.com
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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https://github.com/HabanaAI/drivers.accel.habanalabs.kernel into drm-next
This tag contains habanalabs driver changes for v6.11.
The notable changes are:
- uAPI changes:
- Use device-name directory in debugfs-driver-habanalabs.
- Expose server type in debugfs.
- New features and improvements:
- Gradual sleep in polling memory macro.
- Reduce Gaudi2 MSI-X interrupt count to 128.
- Add Gaudi2-D revision support.
- Firmware related changes:
- Add timestamp to CPLD info.
- Gaudi2: Assume hard-reset by firmware upon MC SEI severe error.
- Align Gaudi2 interrupt names.
- Check for errors after preboot is ready.
- Bug fixes and code cleanups:
- Move heartbeat work initialization to early init.
- Fix a race when receiving events during reset.
- Change the heartbeat scheduling point.
- Maintainers:
- Change habanalabs maintainer and git repo path.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ofir Bitton <obitton@habana.ai>
Link: https://patchwork.freedesktop.org/patch/msgid/ZnfIjTH5AYQvPe7n@obitton-vm-u22.habana-labs.com
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Fix copy-paste error in the code comment. The code refers to
LED blinking configuration, not brightness configuration. It
was likely copied from comment above this one which does
refer to brightness configuration.
Fixes: 4e901018432e ("net: phy: phy_device: Call into the PHY driver to set LED blinking")
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240626030638.512069-1-marex@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for 6.11:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- panic: Monochrome logo support, Various fixes
- ttm: Improve the number of page faults on some platforms, Fix test
build breakage with PREEMPT_RT, more test coverage and various test
improvements
Driver Changes:
- Add missing MODULE_DESCRIPTION where needed
- ipu-v3: Various fixes
- vc4: Monochrome TV support
- bridge:
- analogix_dp: Various improvements and reworks, handle AUX
transfers timeout
- tc358767: Fix DRM_BRIDGE_ATTACH_NO_CONNECTOR, Fix clock
calculations
- panels:
- More transitions to mipi_dsi wrapped functions
- New panels: Lincoln Technologies LCD197, Ortustech COM35H3P70ULC,
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240627-congenial-pistachio-nyala-848cf4@houat
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Add 'nr_resv' parameter to ext4_da_reserve_space(), which indicates the
number of clusters wants to reserve, make it reserve multiple clusters
at a time.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20240517124005.347221-8-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Rename ext4_es_insert_delayed_block() to ext4_es_insert_delayed_extent()
and pass length parameter to make it insert multiple delalloc blocks at
a time. For the case of bigalloc, split the allocated parameter to
lclu_allocated and end_allocated. lclu_allocated indicates the
allocation state of the cluster which is containing the lblk,
end_allocated indicates the allocation state of the extent end, clusters
in the middle of delay allocated extent must be unallocated.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20240517124005.347221-7-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
Highlights this time are:
- cfg80211/nl80211:
* improvements for 6 GHz regulatory flexibility
- mac80211:
* use generic netdev stats
* multi-link improvements/fixes
- brcmfmac:
* MFP support (to enable WPA3)
- wilc1000:
* suspend/resume improvements
- iwlwifi:
* remove support for older FW for new devices
* fast resume (keeping the device configured)
- wl18xx:
* support newer firmware versions
* tag 'wireless-next-2024-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (100 commits)
wifi: brcmfmac: of: Support interrupts-extended
wifi: brcmsmac: advertise MFP_CAPABLE to enable WPA3
net: rfkill: Correct return value in invalid parameter case
wifi: mac80211: fix NULL dereference at band check in starting tx ba session
wifi: iwlwifi: mvm: fix rs.h kernel-doc
wifi: iwlwifi: fw: api: datapath: fix kernel-doc
wifi: iwlwifi: fix remaining mistagged kernel-doc comments
wifi: iwlwifi: fix prototype mismatch kernel-doc warnings
wifi: iwlwifi: fix kernel-doc in iwl-fh.h
wifi: iwlwifi: fix kernel-doc in iwl-trans.h
wifi: iwlwifi: pcie: fix kernel-doc
wifi: iwlwifi: dvm: fix kernel-doc warnings
wifi: iwlwifi: mvm: don't log error for failed UATS table read
wifi: iwlwifi: trans: make bad state warnings
wifi: iwlwifi: fw: api: fix some kernel-doc
wifi: iwlwifi: mvm: remove init_dbg module parameter
wifi: iwlwifi: update the BA notification API
wifi: iwlwifi: mvm: always unblock EMLSR on ROC end
wifi: iwlwifi: mvm: use IWL_FW_CHECK for link ID check
wifi: iwlwifi: mvm: don't flush BSSes on restart with MLD API
...
====================
Link: https://patch.msgid.link/20240627114135.28507-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
UAPI Changes:
- New uapi adding OA functionality to Xe (Ashutosh)
Cross-subsystem Changes:
- devcoredump: Add dev_coredumpm_timeout (Jose)
Driver Changes:
- More SRIOV preparation, including GuC communication improvements (Michal)
- Kconfig update: do not select ACPI_BUTTON (Jani)
- Rework GPU page fault handling (Brost)
- Forcewake clean-up and fixes (Himal, Michal)
- Drop EXEC_QUEUE_FLAG_BANNED (Brost)
- Xe/Xe2 Workarounds fixes and additions (Tejas, Akshata, Sai, Vinay)
- Xe devcoredump changes (Jose)
- Tracing cleanup and add mmio tracing (RK)
- Add BMG PCI IDs (Roper)
- Scheduler fixes and improvements (Brost)
- Some overal driver clean-up around headers and print macros (Michal)
- Rename xe_exec_queue::compute to xe_exec_queue::lr (Francois)
- Improve RTP rules to allow easier 'OR' conditions in WA declaration (Lucas)
- Use ttm_uncached for BO with NEEDS_UC flag (Michal)
- Other OA related work and fixes (Ashutosh, Michal, Jose)
- Simplify locking in new_vma (Brost)
- Remove xe_irq_shutdown (Ilia)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZnyW9RdC_aWSla_q@intel.com
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Add UAR page index as a driver ioctl attribute to increase the number of
supported indices, previously limited to 16 bits by mlx5_ib_create_cq
struct.
Link: https://lore.kernel.org/r/0e18b34d7ec3b1ae02d694b0d545aed7413c0ef7.1719512393.git.leon@kernel.org
Signed-off-by: Akiva Goldberger <agoldberger@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Changes the create_cq verb signature by sending the entire uverbs attr
bundle as a parameter. This allows drivers to send driver specific attrs
through ioctl for the create_cq verb and access them in their driver
specific code.
Also adds a new enum value for driver specific ioctl attributes for
methods already supporting UHW.
Link: https://lore.kernel.org/r/ed147343987c0d43fd391c1b2f85e2f425747387.1719512393.git.leon@kernel.org
Signed-off-by: Akiva Goldberger <agoldberger@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Pull io_uring fixes from Jens Axboe:
"Removal of a struct member that's unused since the 6.10 merge window,
and a fix for a regression in SQPOLL wakeups, bringing it back to how
it worked before the SQPOLL local task_work"
* tag 'io_uring-6.10-20240627' of git://git.kernel.dk/linux:
io_uring: signal SQPOLL task_work with TWA_SIGNAL_NO_IPI
io_uring: remove dead struct io_submit_state member
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