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Current sequences are limited to 192 bytes. Increase support to whatever
the EC support. If the sequence is too long, the EC will return an
OVERFLOW error.
Test: Check sending a large sequence is received by the EC.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Link: https://lore.kernel.org/r/20260130081351.487517-2-gwendal@google.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Add attribue `num_segments` to return the number of exposed LED segments
in the lightbar. It can be smaller than the number of physical leds in
the lightbar.
Test: Check the attribute is present and returns a value when read.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Link: https://lore.kernel.org/r/20260130081351.487517-1-gwendal@google.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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The wrapping key does not exist by default and is generated by the
hypervisor as a part of PKWM initialization. This key is then persisted by
the hypervisor and is used to wrap trusted keys. These are variable length
symmetric keys, which in the case of PowerVM Key Wrapping Module (PKWM) are
generated using the kernel RNG. PKWM can be used as a trust source through
the following example keyctl commands:
keyctl add trusted my_trusted_key "new 32" @u
Use the wrap_flags command option to set the secure boot requirement for
the wrapping request through the following keyctl commands
case1: no secure boot requirement. (default)
keyctl usage: keyctl add trusted my_trusted_key "new 32" @u
OR
keyctl add trusted my_trusted_key "new 32 wrap_flags=0x00" @u
case2: secure boot required to in either audit or enforce mode. set bit 0
keyctl usage: keyctl add trusted my_trusted_key "new 32 wrap_flags=0x01" @u
case3: secure boot required to be in enforce mode. set bit 1
keyctl usage: keyctl add trusted my_trusted_key "new 32 wrap_flags=0x02" @u
NOTE:
-> Setting the secure boot requirement is NOT a must.
-> Only either of the secure boot requirement options should be set. Not
both.
-> All the other bits are required to be not set.
-> Set the kernel parameter trusted.source=pkwm to choose PKWM as the
backend for trusted keys implementation.
-> CONFIG_PSERIES_PLPKS must be enabled to build PKWM.
Add PKWM, which is a combination of IBM PowerVM and Power LPAR Platform
KeyStore, as a new trust source for trusted keys.
Signed-off-by: Srish Srinivasan <ssrish@linux.ibm.com>
Tested-by: Nayna Jain <nayna@linux.ibm.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: Nayna Jain <nayna@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260127145228.48320-6-ssrish@linux.ibm.com
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https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
Another fairly large set of changes, notably:
- cfg80211/mac80211
- most of EPPKE/802.1X over auth frames support
- additional FTM capabilities
- split up drop reasons better, removing generic RX_DROP
- NAN cleanups/fixes
- ath11k:
- support for Channel Frequency Response measurement
- ath12k:
- support for the QCC2072 chipset
- iwlwifi:
- partial NAN support
- UNII-9 support
- some UHR/802.11bn FW APIs
- remove most of MLO/EHT from iwlmvm
(such devices use iwlmld)
- rtw89:
- preparations for RTL8922DE support
* tag 'wireless-next-2026-01-29' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (184 commits)
wifi: iwlegacy: add missing mutex protection in il4965_store_tx_power()
wifi: iwlegacy: add missing mutex protection in il3945_store_measurement()
wifi: mac80211: use u64_stats_t with u64_stats_sync properly
wifi: p54: Fix memory leak in p54_beacon_update()
wifi: cfg80211: treat deprecated INDOOR_SP_AP_OLD control value as LPI mode
wifi: rtw88: sdio: Migrate to use sdio specific shutdown function
wifi: rsi: sdio: Migrate to use sdio specific shutdown function
sdio: Provide a bustype shutdown function
wifi: nl80211/cfg80211: support operating as RSTA in PMSR FTM request
wifi: nl80211/cfg80211: add negotiated burst period to FTM result
wifi: nl80211/cfg80211: clarify periodic FTM parameters for non-EDCA based ranging
wifi: nl80211/cfg80211: add new FTM capabilities
wifi: iwlwifi: rename struct iwl_mcc_allowed_ap_type_cmd::offset_map
wifi: iwlwifi: mvm: Remove link_id from time_events
wifi: iwlwifi: mld: change cluster_id type to u8 array
wifi: iwlwifi: support V13 of iwl_lari_config_change_cmd
wifi: iwlwifi: split bios_value_u32 to separate the header
wifi: iwlwifi: uefi: cache the DSM functions
wifi: iwlwifi: acpi: cache the DSM functions
wifi: iwlwifi: mvm: Cleanup MLO code
...
====================
Link: https://patch.msgid.link/20260129110136.176980-39-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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fl6_update_dst() is called for every TCP (and others) transmit,
and is a nop for common cases.
Split it in two parts :
1) fl6_update_dst() inline helper, small and fast.
2) __fl6_update_dst() for the exception, out of line.
Small size increase to get better TX performance.
$ scripts/bloat-o-meter -t vmlinux.old vmlinux.new
add/remove: 2/2 grow/shrink: 8/0 up/down: 296/-125 (171)
Function old new delta
__fl6_update_dst - 104 +104
rawv6_sendmsg 2244 2284 +40
udpv6_sendmsg 3013 3043 +30
tcp_v6_connect 1514 1534 +20
cookie_v6_check 1501 1519 +18
ip6_datagram_dst_update 673 690 +17
inet6_sk_rebuild_header 499 516 +17
inet6_csk_route_socket 507 524 +17
inet6_csk_route_req 343 360 +17
__pfx___fl6_update_dst - 16 +16
__pfx_fl6_update_dst 16 - -16
fl6_update_dst 109 - -109
Total: Before=22570304, After=22570475, chg +0.00%
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260128185548.3738781-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This variant of skb_header_pointer() should be used in contexts
where @offset argument is user-controlled and could be negative.
Negative offsets are supported, as long as the zone starts
between skb->head and skb->data.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260128141539.3404400-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, the dpll subsystem exports the fractional frequency offset
(FFO) in parts per million (ppm). This granularity is insufficient for
high-precision synchronization scenarios which often require parts per
trillion (ppt) resolution.
Add a new netlink attribute DPLL_A_PIN_FRACTIONAL_FREQUENCY_OFFSET_PPT
to expose the FFO in ppt.
Update the dpll netlink core to expect the driver-provided FFO value
to be in ppt. To maintain backward compatibility with existing userspace
tools, populate the legacy DPLL_A_PIN_FRACTIONAL_FREQUENCY_OFFSET
attribute by dividing the new ppt value by 1,000,000.
Update the zl3073x and mlx5 drivers to provide the FFO value in ppt:
- zl3073x: adjust the fixed-point calculation to produce ppt (10^12)
instead of ppm (10^6).
- mlx5: scale the existing ppm value by 1,000,000.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260126162253.27890-1-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR (net-6.19-rc8).
No adjacent changes, conflicts:
drivers/net/ethernet/spacemit/k1_emac.c
2c84959167d64 ("net: spacemit: Check for netif_carrier_ok() in emac_stats_update()")
f66086798f91f ("net: spacemit: Remove broken flow control support")
https://lore.kernel.org/aXjAqZA3iEWD_DGM@sirena.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a new PCITEST_BAR_SUBRANGE ioctl to exercise EPC BAR subrange
mapping end-to-end.
The test programs a simple 2-subrange layout on the endpoint (via
pci-epf-test) and verifies that:
- the endpoint-provided per-subrange signature bytes are observed at
the expected PCIe BAR offsets, and
- writes to each subrange are routed to the correct backing region
(i.e. the submap order is applied rather than accidentally working
due to an identity mapping).
Return -EOPNOTSUPP when the endpoint does not advertise subrange
mapping, -ENODATA when the BAR is disabled, and -EBUSY when the BAR is
reserved for the test register space.
Signed-off-by: Koichiro Den <den@valinux.co.jp>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260124145012.2794108-8-den@valinux.co.jp
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To check if a request queue is for a rotational device, a double
negation is needed with the pattern "!blk_queue_nonrot(q)". Simplify
this with the introduction of the helper blk_queue_rot() which tests
if a requests queue limit has the BLK_FEAT_ROTATIONAL feature set.
All call sites of blk_queue_nonrot() are modified to use blk_queue_rot()
and blk_queue_nonrot() definition removed.
No functional changes.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Unwrap the definition of BLK_FEAT_ATOMIC_WRITES and
renumber this feature to be sequential with BLK_FEAT_SKIP_TAGSET_QUIESCE.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Create a new bus interface named ODTR for "octal DTR", which matches the
following pattern: 8D-8D-8D.
Add octal DTR support for all the existing core operations. Add a second
set of templates for this bus interface.
Give the possibility for drivers to register their read, write and
update cache variants as well as their vendor specific operations.
Check the SPI controller driver supports all the octal DTR commands that
we might need before switching to the ODTR bus interface.
Make the switch by calling ->configure_chip() with the ODTR
parameter. Fallback in case this step fails.
If someone ever attempts to suspend a chip in octal DTR mode, there are
changes that it will loose its configuration at resume. Prevent any
problem by explicitly switching back to SSDR while suspending. Note:
there is a limitation in the current approach, page I/Os are not
available as the dirmaps will be created for the ODTR bus interface if
that option is supported and not switched back to SSDR during
suspend. Switching them is possible but would be costly and would not
bring anything as right after resuming we will switch again to ODTR. In
case this capability is used for debug, developpers should mind to
destroy and recreate suitable direct mappings.
Finally, as a side effect, we increase the buffer for reading IDs to
6. No device at this point returns 6 bytes, but we support 5 bytes IDs,
which means in octal DTR mode we have no other choice than reading an
even number of bytes, hence 6.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The chip configuration hook is the one responsible to actually switch
the switch between bus interfaces. It is natural to give it the bus
interface we expect with a new parameter. For now the only value we can
give is SSDR, but this is subject to change in the future, so add a bit
of extra logic in the implementations of this callback to make sure
both the core and the chip driver are aligned on the request.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Create a bus interface enumeration, currently only containing the
one we support: SSDR, for single SDR, so any operation whose command is
sent over a single data line in SDR mode, ie. any operation matching
1S-XX-XX.
The main spinand_device structure gets a new parameter to store this
enumeration, for now unused. Of course it is set to SSDR during the SSDR
templates initialization to further clarify the state we are in at the
moment.
This member is subject to be used to know in which bus configuration we
and be updated by the core when we switch to faster mode(s).
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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It is probably safe to expect that all SPI controller drivers will ever
support all the most basic SPI NAND operations, such as write enable,
register reads, page program, block erases, etc. However, what about
vendor specific operations? So far nobody complained about it, but as we
are about to introduce octal DTR support, and as none of the SPI NAND
instruction set is defined in any standard, we must remain careful about
these extra operations.
One way to make sure we do not blindly get ourselves in strange
situations with vendor commands failing silently is to make the check
once for all, while probing the chip. However at this stage we have no
such list, so let's add the necessary infrastructure to allow:
- registering vendor operations,
- checking they are actually supported when appropriate.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Create a SPINAND_OP() macro to which we give the name of the operation
we want. This macro retrieves the correct operation template based on
the current bus interface (currently only single SDR, will soon be
extended to octal DTR) and fills it with the usual parameters.
This macro makes the transition from calling directly the low-level
macros into using the (bus interface dependent) templates very smooth.
Use it in all places that can be trivially converted. At this stage
there is no functional change expected, until octal DTR support gets
added.
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Currently, the SPI NAND core implementation directly calls macros to get
the various operations in shape. These macros are specific to the bus
interface, currently only supporting the single SDR interface (any
command following the 1S-XX-XX pattern).
Introducing support for other bus interfaces (such as octal DTR) would
mean that every user of these macros should become aware of the current
bus interface and act accordingly, picking up and adapting to the
current configuration. This would add quite a bit of boilerplate, be
repetitive as well as error prone in case we miss one occurrence.
Instead, let's create a table with all SPI NAND memory operations that
are currently supported. We initialize them with the same single SDR _OP
macros as before. This opens the possibility for users of the individual
macros to make use of these templates instead. This way, when we will add
another bus interface, we can just switch to another set of templates
and all users will magically fill in their spi_mem_op structures with
the correct ops.
The existing read, write and update cache variants are also moved in
this template array, which is barely noticeable by callers as we also
add a structure member pointing to it.
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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In order to introduce templates for all operations and not only for page
helpers (in order to introduce octal DDR support), decouple the WR_EN
and WR_DIS operations into two separate macros.
Adapt the callers accordingly.
There is no functional change.
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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SPI NAND command values are directly included in the macros defining the
ops. These are stale definitions, they are unused so drop them.
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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The @data buffer is 5 bytes, not 4, it has been extended for the need of
devices with an extra ID bytes.
Fixes: 34a956739d29 ("mtd: spinand: Add support for 5-byte IDs")
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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In octal DTR mode addresses may either be long enough to cover at least
two bytes (in which case the existing macro works), or otherwise for
single byte addresses, the byte must also be duplicated and sent twice:
on each front of the clock.
Create a macro for this common case.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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spi: Octal DTR support
This series adds support for 8D-8D-8D in SPI NAND, which can already be
leveraged without any SPI changes as controllers already have this
support for some SPI NOR devices.
Among the few spi-mem patches, they are needed for building the SPI NAND
changes (especially the ODTR introduction at the end) and therefore an
immutable tag will be needed for merging in the MTD tree (unless all the
series goes through MTD directly ofc).
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"16 hotfixes. 9 are cc:stable, 12 are for MM.
There's a patch series from Pratyush Yadav which fixes a few things in
the new-in-6.19 LUO memfd code.
Plus the usual shower of singletons - please see the changelogs for
details"
* tag 'mm-hotfixes-stable-2026-01-29-09-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
vmcoreinfo: make hwerr_data visible for debugging
mm/zone_device: reinitialize large zone device private folios
mm/mm_init: don't cond_resched() in deferred_init_memmap_chunk() if called from deferred_grow_zone()
mm/kfence: randomize the freelist on initialization
kho: kho_preserve_vmalloc(): don't return 0 when ENOMEM
kho: init alloc tags when restoring pages from reserved memory
mm: memfd_luo: restore and free memfd_luo_ser on failure
mm: memfd_luo: use memfd_alloc_file() instead of shmem_file_setup()
memfd: export alloc_file()
flex_proportions: make fprop_new_period() hardirq safe
mailmap: add entry for Viacheslav Bocharov
mm/memory-failure: teach kill_accessing_process to accept hugetlb tail page pfn
mm/memory-failure: fix missing ->mf_stats count in hugetlb poison
mm, swap: restore swap_space attr aviod kernel panic
mm/kasan: fix KASAN poisoning in vrealloc()
mm/shmem, swap: fix race of truncate and swap entry split
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This attempts to proper track outstanding request by using struct ida
and allocating from it in l2cap_get_ident using ida_alloc_range which
would reuse ids as they are free, then upon completion release
the id using ida_free.
This fixes the qualification test case L2CAP/COS/CED/BI-29-C which
attempts to check if the host stack is able to work after 256 attempts
to connect which requires Ident field to use the full range of possible
values in order to pass the test.
Link: https://github.com/bluez/bluez/issues/1829
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
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This renames the PHY fields in bt_iso_io_qos to PHYs (plural) since it
represents a bitfield where multiple PHYs can be set and make the same
change also to HCI_OP_LE_SET_CIG_PARAMS since both c_phy and p_phy
fields are bitfields.
This also fixes the assumption that hci_evt_le_cis_established PHYs
fields are compatible with bt_iso_io_qos, they are not, the fields in
hci_evt_le_cis_established represent just a single PHY value so they
need to be converted to bitfield when set in bt_iso_io_qos.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This enables client to use setsockopt(BT_PHY) to set the connection
packet type/PHY:
Example setting BT_PHY_BR_1M_1SLOT:
< HCI Command: Change Conne.. (0x01|0x000f) plen 4
Handle: 1 Address: 00:AA:01:01:00:00 (Intel Corporation)
Packet type: 0x331e
2-DH1 may not be used
3-DH1 may not be used
DM1 may be used
DH1 may be used
2-DH3 may not be used
3-DH3 may not be used
2-DH5 may not be used
3-DH5 may not be used
> HCI Event: Command Status (0x0f) plen 4
Change Connection Packet Type (0x01|0x000f) ncmd 1
Status: Success (0x00)
> HCI Event: Connection Packet Typ.. (0x1d) plen 5
Status: Success (0x00)
Handle: 1 Address: 00:AA:01:01:00:00 (Intel Corporation)
Packet type: 0x331e
2-DH1 may not be used
3-DH1 may not be used
DM1 may be used
DH1 may be used
2-DH3 may not be used
3-DH3 may not be used
2-DH5 may not be used
Example setting BT_PHY_LE_1M_TX and BT_PHY_LE_1M_RX:
< HCI Command: LE Set PHY (0x08|0x0032) plen 7
Handle: 1 Address: 00:AA:01:01:00:00 (Intel Corporation)
All PHYs preference: 0x00
TX PHYs preference: 0x01
LE 1M
RX PHYs preference: 0x01
LE 1M
PHY options preference: Reserved (0x0000)
> HCI Event: Command Status (0x0f) plen 4
LE Set PHY (0x08|0x0032) ncmd 1
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 6
LE PHY Update Complete (0x0c)
Status: Success (0x00)
Handle: 1 Address: 00:AA:01:01:00:00 (Intel Corporation)
TX PHY: LE 1M (0x01)
RX PHY: LE 1M (0x01)
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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1. Implement LE Event Mask to include events required for
LE Channel Sounding
2. Enable Channel Sounding feature bit in the
LE Host Supported Features command
3. Define HCI command and event structures necessary for
LE Channel Sounding functionality
Signed-off-by: Naga Bhavani Akella <naga.akella@oss.qualcomm.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth, CAN and wireless.
There are no known regressions currently under investigation.
Current release - fix to a fix:
- can: gs_usb_receive_bulk_callback(): fix error message
Current release - regressions:
- eth: gve: fix probe failure if clock read fails
Previous releases - regressions:
- ipv6: use the right ifindex when replying to icmpv6 from localhost
- mptcp: fix race in mptcp_pm_nl_flush_addrs_doit()
- bluetooth: fix null-ptr-deref in hci_uart_write_work
- eth:
- sfc: fix deadlock in RSS config read
- ice: ifix NULL pointer dereference in ice_vsi_set_napi_queues
- mlx5: fix memory leak in esw_acl_ingress_lgcy_setup()
Previous releases - always broken:
- core: fix segmentation of forwarding fraglist GRO
- wifi: mac80211: correctly decode TTLM with default link map
- mptcp: avoid dup SUB_CLOSED events after disconnect
- nfc: fix memleak in nfc_llcp_send_ui_frame().
- eth:
- bonding: fix use-after-free due to enslave fail
- mlx5e:
- TC, delete flows only for existing peers
- fix inverted cap check in tx flow table root disconnect"
* tag 'net-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (43 commits)
net: fix segmentation of forwarding fraglist GRO
wifi: mac80211: correctly decode TTLM with default link map
selftests: mptcp: join: fix local endp not being tracked
selftests: mptcp: check subflow errors in close events
mptcp: only reset subflow errors when propagated
selftests: mptcp: check no dup close events after error
mptcp: avoid dup SUB_CLOSED events after disconnect
net/mlx5e: Skip ESN replay window setup for IPsec crypto offload
net/mlx5: Fix vhca_id access call trace use before alloc
net/mlx5: fs, Fix inverted cap check in tx flow table root disconnect
net: phy: micrel: fix clk warning when removing the driver
net/mlx5e: don't assume psp tx skbs are ipv6 csum handling
net: bridge: fix static key check
nfc: nci: Fix race between rfkill and nci_unregister_device().
gve: fix probe failure if clock read fails
net/mlx5e: Account for netdev stats in ndo_get_stats64
net/mlx5e: TC, delete flows only for existing peers
net/mlx5: Fix Unbinding uplink-netdev in switchdev mode
ice: stop counting UDP csum mismatch as rx_errors
ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues
...
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conn->le_{tx,rx}_phy is not actually a bitfield as it set by
HCI_EV_LE_PHY_UPDATE_COMPLETE it is actually correspond to the current
PHY in use not what is supported by the controller, so this introduces
different fields (conn->le_{tx,rx}_def_phys) to track what PHYs are
supported by the connection.
Fixes: eab2404ba798 ("Bluetooth: Add BT_PHY socket option")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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ext4 and f2fs are largely using the same code to read a page full
of Merkle tree blocks from the page cache, and the upcoming xfs
fsverity support would add another copy.
Move the ext4 code to fs/verity/ and use it in f2fs as well. For f2fs
this removes the previous f2fs-specific error injection, but otherwise
the behavior remains unchanged.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andrey Albershteyn <aalbersh@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Link: https://lore.kernel.org/r/20260128152630.627409-7-hch@lst.de
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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This will make an iomap implementation of the method easier.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andrey Albershteyn <aalbersh@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Acked-by: David Sterba <dsterba@suse.com> # btrfs
Link: https://lore.kernel.org/r/20260128152630.627409-6-hch@lst.de
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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Free the fsverity_info directly in clear_inode instead of requiring file
systems to handle it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Acked-by: David Sterba <dsterba@suse.com> # btrfs
Link: https://lore.kernel.org/r/20260128152630.627409-3-hch@lst.de
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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Add the check to reject truncates of fsverity files directly to
setattr_prepare instead of requiring the file system to handle it.
Besides removing boilerplate code, this also fixes the complete lack of
such check in btrfs.
Fixes: 146054090b08 ("btrfs: initial fsverity support")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Link: https://lore.kernel.org/r/20260128152630.627409-2-hch@lst.de
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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'calibrate' was a one-shot event sent to the sensor to calibrate itself.
It is used on Bosch sensors (BMI160, BMA254).
Light sensors work differently: They are first put in calibration mode,
tests are run to collect information and calculate the calibration
values to apply. Once done, the sensors are put back in normal mode.
Accept boolean true and false (not just true) to enter/exit calibration
state.
Check "echo 0 > calibrate" is supported.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Insert a "*" in the kernel-doc line to resolve a warning:
Warning: include/linux/iio/frequency/ad9523.h:47 bad line:
LSB = 1/2 of a period of the divider input clock.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Resolve all kernel-doc warnings in buffer_impl.h:
Warning: include/linux/iio/buffer_impl.h:172 struct member 'direction' not described in 'iio_buffer'
Warning: include/linux/iio/buffer_impl.h:184 No description found for return value of 'iio_update_buffers'
Also correct one typo (word order switch) and remove one stray space
in a kernel-doc comment.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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pidfs and nsfs recently gained support for encode/decode of file handles
via name_to_handle_at(2)/open_by_handle_at(2).
These special kernel filesystems have custom ->open() and ->permission()
export methods, which nfsd does not respect and it was never meant to be
used for exporting those filesystems by nfsd.
Therefore, do not allow nfsd to export filesystems with custom ->open()
or ->permission() methods.
Fixes: b3caba8f7a34a ("pidfs: implement file handle support")
Fixes: 5222470b2fbb3 ("nsfs: support file handles")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://patch.msgid.link/20260129100212.49727-3-amir73il@gmail.com
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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pidfs and nsfs recently gained support for encode/decode of file handles
via name_to_handle_at(2)/open_by_handle_at(2).
These special kernel filesystems have custom ->open() and ->permission()
export methods, which nfsd does not respect and it was never meant to be
used for exporting those filesystems by nfsd.
Update kernel-doc comments to express the fact the those methods are for
open_by_handle(2) system only and not compatible with nfsd.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://patch.msgid.link/20260129100212.49727-2-amir73il@gmail.com
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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fs-verity previously had debug printk but it was removed. This patch
adds trace points to similar places, as a better alternative.
Signed-off-by: Andrey Albershteyn <aalbersh@kernel.org>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
[djwong: fix formatting]
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://patch.msgid.link/20260126115658.27656-3-aalbersh@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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fs-verity introduced inode flag for inodes with enabled fs-verity on
them. This patch adds FS_XFLAG_VERITY file attribute which can be
retrieved with FS_IOC_FSGETXATTR ioctl() and file_getattr() syscall.
This flag is read-only and can not be set with corresponding set ioctl()
and file_setattr(). The FS_IOC_SETFLAGS requires file to be opened for
writing which is not allowed for verity files. The FS_IOC_FSSETXATTR and
file_setattr() clears this flag from the user input.
As this is now common flag for both flag interfaces (flags/xflags) add
it to overlapping flags list to exclude it from overwrite.
Signed-off-by: Andrey Albershteyn <aalbersh@kernel.org>
Link: https://patch.msgid.link/20260126115658.27656-2-aalbersh@kernel.org
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The language definition was extracted from the new
draft-ietf-nfsv4-posix-acls specification. This ensures good
constant and type name alignment between the spec and the Linux
kernel source code, and brings in some basic XDR utilities for
handling NFSv4 POSIX draft ACLs.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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XDR specification files can contain lines prefixed with '%' that
pass through unchanged to generated output. Traditional rpcgen
removes the '%' and emits the remainder verbatim, allowing direct
insertion of C includes, pragma directives, or other language-
specific content into the generated code.
Until now, xdrgen silently discarded these lines during parsing.
This prevented specifications from including necessary headers or
preprocessor directives that might be required for the generated
code to compile correctly.
The grammar now captures pass-through lines instead of ignoring
them. A new AST node type represents pass-through content, and
the AST transformer strips the leading '%' character. Definition
and source generators emit pass-through content in document order,
preserving the original placement within the specification.
This brings xdrgen closer to feature parity with traditional
rpcgen while maintaining the existing document-order processing
model.
Existing generated xdrgen source code has been regenerated.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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* for-next/cpufreq:
arm64: topology: Do not warn on missing AMU in cpuhp_topology_online()
arm64: topology: Handle AMU FIE setup on CPU hotplug
cpufreq: Add new helper function returning cpufreq policy
arm64: topology: Skip already covered CPUs when setting freq source
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Expose a new register type NT_RISCV_USER_CFI for risc-v CFI status and
state. Intentionally, both landing pad and shadow stack status and
state are rolled into the CFI state. Creating two different
NT_RISCV_USER_XXX would not be useful and would waste a note
type. Enabling, disabling and locking the CFI feature is not allowed
via ptrace set interface. However, setting 'elp' state or setting
shadow stack pointer are allowed via the ptrace set interface. It is
expected that 'gdb' might need to fixup 'elp' state or 'shadow stack'
pointer.
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-19-b55691eacf4f@rivosinc.com
[pjw@kernel.org: updated to apply; cleaned patch description and comments; addressed checkpatch issues]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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Three architectures (x86, aarch64, riscv) have support for indirect
branch tracking feature in a very similar fashion. On a very high
level, indirect branch tracking is a CPU feature where CPU tracks
branches which use a memory operand to transfer control. As part of
this tracking, during an indirect branch, the CPU expects a landing
pad instruction on the target PC, and if not found, the CPU raises
some fault (architecture-dependent).
x86 landing pad instr - 'ENDBRANCH'
arch64 landing pad instr - 'BTI'
riscv landing instr - 'lpad'
Given that three major architectures have support for indirect branch
tracking, this patch creates architecture-agnostic 'prctls' to allow
userspace to control this feature. They are:
- PR_GET_INDIR_BR_LP_STATUS: Get the current configured status for indirect
branch tracking.
- PR_SET_INDIR_BR_LP_STATUS: Set the configuration for indirect branch
tracking.
The following status options are allowed:
- PR_INDIR_BR_LP_ENABLE: Enables indirect branch tracking on user
thread.
- PR_INDIR_BR_LP_DISABLE: Disables indirect branch tracking on user
thread.
- PR_LOCK_INDIR_BR_LP_STATUS: Locks configured status for indirect branch
tracking for user thread.
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-13-b55691eacf4f@rivosinc.com
[pjw@kernel.org: cleaned up patch description, code comments]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
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soc/drivers
Reset controller updates for v6.20
* Add a compatible to the reset-gpio driver, suppress the sysfs bind
attributes, and propagate GPIO API errors.
* Add support for the i.MX8ULP SIM LPAV reset controller.
* Add RZ/G3S USBPHY suspend/resume support.
* Enable reset-k230 by default on ARCH_CANAAN
* Add support for the SpacemiT K3 SoC reset controller.
* Merge the 'spacemit-clkrst-v6.20-3' tag, shared with the clk tree,
as a dependency for the SpacemiT changes.
* tag 'reset-for-v6.20' of https://git.pengutronix.de/git/pza/linux:
reset: spacemit: Add SpacemiT K3 reset driver
reset: spacemit: Extract common K1 reset code
reset: Create subdirectory for SpacemiT drivers
dt-bindings: soc: spacemit: Add K3 reset support and IDs
reset: canaan: k230: drop OF dependency and enable by default
reset: rzg2l-usbphy-ctrl: Add suspend/resume support
reset: rzg2l-usbphy-ctrl: Propagate the return value of regmap_field_update_bits()
reset: gpio: check the return value of gpiod_set_value_cansleep()
reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
reset: imx8mp-audiomix: Extend the driver usage
reset: imx8mp-audiomix: Switch to using regmap API
reset: imx8mp-audiomix: Drop unneeded macros
reset: gpio: suppress bind attributes in sysfs
clk: spacemit: k3: extract common header
reset: spacemit: fix auxiliary device id
clk: spacemit: prepare common ccu header
reset: gpio: add the "compatible" property
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/drivers
MediaTek soc driver updates
This adds:
- A socinfo entry for the MT8371 Genio 520 SoC
- Support for the Dynamic Voltage and Frequency Scaling
Resource Controller (DVFSRC) version 4, found in the
new MediaTek Kompanio Ultra (MT8196) SoC
- Initial support for the CMDQ mailbox found in the MT8196.
- A memory leak fix in the MediaTek SVS driver's debug ops.
* tag 'mtk-soc-for-v6.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
soc: mediatek: mtk-cmdq: Add mminfra_offset adjustment for DRAM addresses
soc: mediatek: mtk-cmdq: Extend cmdq_pkt_write API for SoCs without subsys ID
soc: mediatek: mtk-cmdq: Add pa_base parsing for hardware without subsys ID support
soc: mediatek: mtk-cmdq: Add cmdq_get_mbox_priv() in cmdq_pkt_create()
mailbox: mtk-cmdq: Add driver data to support for MT8196
mailbox: mtk-cmdq: Add mminfra_offset configuration for DRAM transaction
mailbox: mtk-cmdq: Add GCE hardware virtualization configuration
mailbox: mtk-cmdq: Add cmdq private data to cmdq_pkt for generating instruction
soc: mediatek: mtk-dvfsrc: Rework bandwidth calculations
soc: mediatek: mtk-dvfsrc: Get and Enable DVFSRC clock
soc: mediatek: mtk-dvfsrc: Add support for DVFSRCv4 and MT8196
soc: mediatek: mtk-dvfsrc: Write bandwidth to EMI DDR if present
soc: mediatek: mtk-dvfsrc: Add a new callback for calc_dram_bw
soc: mediatek: mtk-dvfsrc: Add and propagate DVFSRC bandwidth type
soc: mediatek: mtk-dvfsrc: Change error check for DVFSRCv4 START cmd
dt-bindings: soc: mediatek: dvfsrc: Document clock
soc: mediatek: mtk-socinfo: Add entry for MT8371AV/AZA Genio 520
soc: mediatek: svs: Fix memory leak in svs_enable_debug_write()
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux into soc/drivers
Apple SoC driver updates for 6.20
- Add a poweroff function to the RTKit library which will be required
for the first USB4/Thunderbolt series I hope to submit next cycle.
* tag 'apple-soc-drivers-6.20' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux:
soc: apple: rtkit: Add function to poweroff
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Rename the helper is_dot_dotdot() into the name_ namespace
and add complementary helpers to check for dot and dotdot
names individually.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://patch.msgid.link/20260128132406.23768-3-amir73il@gmail.com
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The current implementation uses a linear list to find queued packets by
ID when processing verdicts from userspace. With large queue depths and
out-of-order verdicting, this O(n) lookup becomes a significant
bottleneck, causing userspace verdict processing to dominate CPU time.
Replace the linear search with a hash table for O(1) average-case
packet lookup by ID. A global rhashtable spanning all network
namespaces attributes hash bucket memory to kernel but is subject to
fixed upper bound.
Signed-off-by: Scott Mitchell <scott.k.mitch1@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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