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Author SHA1 Message Date
Linus Torvalds
7dff275c66 Kernel Concurrency Sanitizer (KCSAN) updates for v6.17
- A single fix to silence an uninitialized variable warning
 
 This change has had a few days of linux-next exposure.
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Merge tag 'kcsan-20250728-v6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux

Pull Kernel Concurrency Sanitizer (KCSAN) update from Marco Elver:

 - A single fix to silence an uninitialized variable warning

* tag 'kcsan-20250728-v6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux:
  kcsan: test: Initialize dummy variable
2025-07-30 11:00:28 -07:00
Paolo Bonzini
196d9e72c4 RCU wakeup fix for KVM s390 guest entry
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Merge tag 'kvm-s390-next-6.17-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

RCU wakeup fix for KVM s390 guest entry
2025-07-30 13:56:09 -04:00
Linus Torvalds
53564f4005 IOMMU Updates for Linux v6.17:
- Core
   * Remove the 'pgsize_bitmap' member from 'struct iommu_ops'
   * Convert the x86 drivers over to msi_create_parent_irq_domain()
 
 - AMD-Vi
   * Add support for examining driver/device internals via debugfs
   * Add support for "HATDis" to disable host translation when it is not
     supported
   * Add support for limiting the maximum host translation level based on
     EFR[HATS]
 
 - Apple DART
   * Don't enable as built-in by default when ARCH_APPLE is selected
 
 - Arm SMMU
   * Devicetree bindings update for the Qualcomm SMMU in the "Milos" SoC
   * Support for Qualcomm SM6115 MDSS parts
   * Disable PRR on Qualcomm SM8250 as using these bits causes the
     hypervisor to explode
 
 - Intel VT-d
   * Reorganize Intel VT-d to be ready for iommupt
   * Optimize iotlb_sync_map for non-caching/non-RWBF modes
   * Fix missed PASID in dev TLB invalidation in cache_tag_flush_all()
 
 - Mediatek
   * Fix build warnings when W=1
 
 - Samsung Exynos
   * Add support for reserved memory regions specified by the bootloader
 
 - TI OMAP
   * Use syscon_regmap_lookup_by_phandle_args() instead of parsing the
     node manually
 
 - Misc
   * Cleanups and minor fixes across the board
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Merge tag 'iommu-updates-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Will Deacon:
 "Core:
   - Remove the 'pgsize_bitmap' member from 'struct iommu_ops'
   - Convert the x86 drivers over to msi_create_parent_irq_domain()

  AMD-Vi:
   - Add support for examining driver/device internals via debugfs
   - Add support for "HATDis" to disable host translation when it is not
     supported
   - Add support for limiting the maximum host translation level based
     on EFR[HATS]

  Apple DART:
   - Don't enable as built-in by default when ARCH_APPLE is selected

  Arm SMMU:
   - Devicetree bindings update for the Qualcomm SMMU in the "Milos" SoC
   - Support for Qualcomm SM6115 MDSS parts
   - Disable PRR on Qualcomm SM8250 as using these bits causes the
     hypervisor to explode

  Intel VT-d:
   - Reorganize Intel VT-d to be ready for iommupt
   - Optimize iotlb_sync_map for non-caching/non-RWBF modes
   - Fix missed PASID in dev TLB invalidation in cache_tag_flush_all()

  Mediatek:
   - Fix build warnings when W=1

  Samsung Exynos:
   - Add support for reserved memory regions specified by the bootloader

  TI OMAP:
   - Use syscon_regmap_lookup_by_phandle_args() instead of parsing the
     node manually

  Misc:
   - Cleanups and minor fixes across the board"

* tag 'iommu-updates-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (48 commits)
  iommu/vt-d: Fix UAF on sva unbind with pending IOPFs
  iommu/vt-d: Make iotlb_sync_map a static property of dmar_domain
  dt-bindings: arm-smmu: Remove sdm845-cheza specific entry
  iommu/amd: Fix geometry.aperture_end for V2 tables
  iommu/amd: Wrap debugfs ABI testing symbols snippets in literal code blocks
  iommu/amd: Add documentation for AMD IOMMU debugfs support
  iommu/amd: Add debugfs support to dump IRT Table
  iommu/amd: Add debugfs support to dump device table
  iommu/amd: Add support for device id user input
  iommu/amd: Add debugfs support to dump IOMMU command buffer
  iommu/amd: Add debugfs support to dump IOMMU Capability registers
  iommu/amd: Add debugfs support to dump IOMMU MMIO registers
  iommu/amd: Refactor AMD IOMMU debugfs initial setup
  dt-bindings: arm-smmu: document the support on Milos
  iommu/exynos: add support for reserved regions
  iommu/arm-smmu: disable PRR on SM8250
  iommu/arm-smmu-v3: Revert vmaster in the error path
  iommu/io-pgtable-arm: Remove unused macro iopte_prot
  iommu/arm-smmu-qcom: Add SM6115 MDSS compatible
  iommu/qcom: Fix pgsize_bitmap
  ...
2025-07-30 10:42:00 -07:00
Li Nan
907a99c314 md: rename recovery_cp to resync_offset
'recovery_cp' was used to represent the progress of sync, but its name
contains recovery, which can cause confusion. Replaces 'recovery_cp'
with 'resync_offset' for clarity.

Signed-off-by: Li Nan <linan122@huawei.com>
Link: https://lore.kernel.org/linux-raid/20250722033340.1933388-1-linan666@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
2025-07-31 01:26:04 +08:00
Heming Zhao
948b1fe120 md/md-cluster: handle REMOVE message earlier
Commit a1fd37f978 ("md: Don't wait for MD_RECOVERY_NEEDED for
HOT_REMOVE_DISK ioctl") introduced a regression in the md_cluster
module. (Failed cases 02r1_Manage_re-add & 02r10_Manage_re-add)

Consider a 2-node cluster:
- node1 set faulty & remove command on a disk.
- node2 must correctly update the array metadata.

Before a1fd37f978, on node1, the delay between msg:METADATA_UPDATED
(triggered by faulty) and msg:REMOVE was sufficient for node2 to
reload the disk info (written by node1).
After a1fd37f978, node1 no longer waits between faulty and remove,
causing it to send msg:REMOVE while node2 is still reloading disk info.
This often results in node2 failing to remove the faulty disk.

== how to trigger ==

set up a 2-node cluster (node1 & node2) with disks vdc & vdd.

on node1:
mdadm -CR /dev/md0 -l1 -b clustered -n2 /dev/vdc /dev/vdd --assume-clean
ssh node2-ip mdadm -A /dev/md0 /dev/vdc /dev/vdd
mdadm --manage /dev/md0 --fail /dev/vdc --remove /dev/vdc

check array status on both nodes with "mdadm -D /dev/md0".
node1 output:
    Number   Major   Minor   RaidDevice State
       -       0        0        0      removed
       1     254       48        1      active sync   /dev/vdd
node2 output:
    Number   Major   Minor   RaidDevice State
       -       0        0        0      removed
       1     254       48        1      active sync   /dev/vdd

       0     254       32        -      faulty   /dev/vdc

Fixes: a1fd37f978 ("md: Don't wait for MD_RECOVERY_NEEDED for HOT_REMOVE_DISK ioctl")
Signed-off-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Su Yue <glass.su@suse.com>
Link: https://lore.kernel.org/linux-raid/20250728042145.9989-1-heming.zhao@suse.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
2025-07-31 01:23:19 +08:00
Yu Kuai
1df1fc845d md: fix create on open mddev lifetime regression
Commit 9e59d60976 ("md: call del_gendisk in control path") moves
setting MD_DELETED from __mddev_put() to do_md_stop(), however, for the
case create on open, mddev can be freed without do_md_stop():

1) open

md_probe
 md_alloc_and_put
  md_alloc
   mddev_alloc
   atomic_set(&mddev->active, 1);
   mddev->hold_active = UNTIL_IOCTL
  mddev_put
   atomic_dec_and_test(&mddev->active)
    if (mddev->hold_active)
    -> active is 0, hold_active is set
md_open
 mddev_get
  atomic_inc(&mddev->active);

2) ioctl that is not STOP_ARRAY, for example, GET_ARRAY_INFO:

md_ioctl
 mddev->hold_active = 0

3) close

md_release
 mddev_put(mddev);
  atomic_dec_and_lock(&mddev->active, &all_mddevs_lock)
  __mddev_put
  -> hold_active is cleared, mddev will be freed
  queue_work(md_misc_wq, &mddev->del_work)

Now that MD_DELETED is not set, before mddev is freed by
mddev_delayed_delete(), md_open can still succeed and break mddev
lifetime, causing mddev->kobj refcount underflow or mddev uaf
problem.

Fix this problem by setting MD_DELETED before queuing del_work.

Reported-by: syzbot+9921e319bd6168140b40@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/68894408.a00a0220.26d0e1.0012.GAE@google.com/
Reported-by: syzbot+fa3a12519f0d3fd4ec16@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/68894408.a00a0220.26d0e1.0013.GAE@google.com/
Fixes: 9e59d60976 ("md: call del_gendisk in control path")
Link: https://lore.kernel.org/linux-raid/20250730073321.2583158-1-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Xiao Ni <xni@redhat.com>
2025-07-31 01:21:43 +08:00
Arnaldo Carvalho de Melo
59edbec7a5 perf python: Stop using deprecated PyUnicode_AsString()
As noticed while building for Fedora 43:

    GEN     /tmp/build/perf/python/perf.cpython-314-x86_64-linux-gnu.so
  /git/perf-6.16.0-rc3/tools/perf/util/python.c: In function ‘get_tracepoint_field’:
  /git/perf-6.16.0-rc3/tools/perf/util/python.c:340:9: error: ‘_PyUnicode_AsString’ is deprecated [-Werror=deprecated-declarations]
    340 |         const char *str = _PyUnicode_AsString(PyObject_Str(attr_name));
        |         ^~~~~
  In file included from /usr/include/python3.14/unicodeobject.h:1022,
                   from /usr/include/python3.14/Python.h:89,
                   from /git/perf-6.16.0-rc3/tools/perf/util/python.c:2:
  /usr/include/python3.14/cpython/unicodeobject.h:648:1: note: declared here
    648 | _PyUnicode_AsString(PyObject *unicode)
        | ^~~~~~~~~~~~~~~~~~~
  cc1: all warnings being treated as errors
  error: command '/usr/bin/gcc' failed with exit code 1

Use PyUnicode_AsUTF8() instead and also check if PyObject_Str() fails
before doing so.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/aIofXNK8QLtLIaI3@x1
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2025-07-30 10:15:17 -07:00
Jaegeuk Kim
078cad8212 f2fs: drop inode from the donation list when the last file is closed
Let's drop the inode from the donation list when there is no other
open file.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2025-07-30 17:13:12 +00:00
Linus Torvalds
d9104cec3e bpf-next-6.17
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Merge tag 'bpf-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Pull bpf updates from Alexei Starovoitov:

 - Remove usermode driver (UMD) framework (Thomas Weißschuh)

 - Introduce Strongly Connected Component (SCC) in the verifier to
   detect loops and refine register liveness (Eduard Zingerman)

 - Allow 'void *' cast using bpf_rdonly_cast() and corresponding
   '__arg_untrusted' for global function parameters (Eduard Zingerman)

 - Improve precision for BPF_ADD and BPF_SUB operations in the verifier
   (Harishankar Vishwanathan)

 - Teach the verifier that constant pointer to a map cannot be NULL
   (Ihor Solodrai)

 - Introduce BPF streams for error reporting of various conditions
   detected by BPF runtime (Kumar Kartikeya Dwivedi)

 - Teach the verifier to insert runtime speculation barrier (lfence on
   x86) to mitigate speculative execution instead of rejecting the
   programs (Luis Gerhorst)

 - Various improvements for 'veristat' (Mykyta Yatsenko)

 - For CONFIG_DEBUG_KERNEL config warn on internal verifier errors to
   improve bug detection by syzbot (Paul Chaignon)

 - Support BPF private stack on arm64 (Puranjay Mohan)

 - Introduce bpf_cgroup_read_xattr() kfunc to read xattr of cgroup's
   node (Song Liu)

 - Introduce kfuncs for read-only string opreations (Viktor Malik)

 - Implement show_fdinfo() for bpf_links (Tao Chen)

 - Reduce verifier's stack consumption (Yonghong Song)

 - Implement mprog API for cgroup-bpf programs (Yonghong Song)

* tag 'bpf-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (192 commits)
  selftests/bpf: Migrate fexit_noreturns case into tracing_failure test suite
  selftests/bpf: Add selftest for attaching tracing programs to functions in deny list
  bpf: Add log for attaching tracing programs to functions in deny list
  bpf: Show precise rejected function when attaching fexit/fmod_ret to __noreturn functions
  bpf: Fix various typos in verifier.c comments
  bpf: Add third round of bounds deduction
  selftests/bpf: Test invariants on JSLT crossing sign
  selftests/bpf: Test cross-sign 64bits range refinement
  selftests/bpf: Update reg_bound range refinement logic
  bpf: Improve bounds when s64 crosses sign boundary
  bpf: Simplify bounds refinement from s32
  selftests/bpf: Enable private stack tests for arm64
  bpf, arm64: JIT support for private stack
  bpf: Move bpf_jit_get_prog_name() to core.c
  bpf, arm64: Fix fp initialization for exception boundary
  umd: Remove usermode driver framework
  bpf/preload: Don't select USERMODE_DRIVER
  selftests/bpf: Fix test dynptr/test_dynptr_memset_xdp_chunks failure
  selftests/bpf: Fix test dynptr/test_dynptr_copy_xdp failure
  selftests/bpf: Increase xdp data size for arm64 64K page size
  ...
2025-07-30 09:58:50 -07:00
Bartosz Golaszewski
3dca3d51b9 ARM: s3c/gpio: complete the conversion to new GPIO value setters
Commit fb52f3226c ("ARM: s3c/gpio: use new line value setter
callbacks") correctly changed the assignment of the callback but missed
the check one liner higher. Change it now too to using the recommended
callback as the legacy one is going away soon.

Fixes: fb52f3226c ("ARM: s3c/gpio: use new line value setter callbacks")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-07-30 18:21:52 +02:00
Arnd Bergmann
0018c39d0a This pull request contains Device Tree fixes for Broadcom ARM-based SoC
platforms, please pull the following:
 
 - Florian fixes the bcm7445.dtsi file to conform to the
   brcm,brcm,brcmstb-memc-ddr.yaml binding after 501be7cece
   ("dt-bindings: memory-controller: Define fallback compatible")
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Merge tag 'arm-soc/for-6.16/devicetree-fixes' of https://github.com/Broadcom/stblinux into for-next

This pull request contains Device Tree fixes for Broadcom ARM-based SoC
platforms, please pull the following:

- Florian fixes the bcm7445.dtsi file to conform to the
  brcm,brcm,brcmstb-memc-ddr.yaml binding after 501be7cece
  ("dt-bindings: memory-controller: Define fallback compatible")

* tag 'arm-soc/for-6.16/devicetree-fixes' of https://github.com/Broadcom/stblinux:
  ARM: dts: broadcom: Fix bcm7445 memory controller compatible

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-07-30 18:21:40 +02:00
Linus Torvalds
8be4d31cb8 Networking changes for 6.17.
Core & protocols
 ----------------
 
  - Wrap datapath globals into net_aligned_data, to avoid false sharing.
 
  - Preserve MSG_ZEROCOPY in forwarding (e.g. out of a container).
 
  - Add SO_INQ and SCM_INQ support to AF_UNIX.
 
  - Add SIOCINQ support to AF_VSOCK.
 
  - Add TCP_MAXSEG sockopt to MPTCP.
 
  - Add IPv6 force_forwarding sysctl to enable forwarding per interface.
 
  - Make TCP validation of whether packet fully fits in the receive
    window and the rcv_buf more strict. With increased use of HW
    aggregation a single "packet" can be multiple 100s of kB.
 
  - Add MSG_MORE flag to optimize large TCP transmissions via sockmap,
    improves latency up to 33% for sockmap users.
 
  - Convert TCP send queue handling from tasklet to BH workque.
 
  - Improve BPF iteration over TCP sockets to see each socket exactly once.
 
  - Remove obsolete and unused TCP RFC3517/RFC6675 loss recovery code.
 
  - Support enabling kernel threads for NAPI processing on per-NAPI
    instance basis rather than a whole device. Fully stop the kernel NAPI
    thread when threaded NAPI gets disabled. Previously thread would stick
    around until ifdown due to tricky synchronization.
 
  - Allow multicast routing to take effect on locally-generated packets.
 
  - Add output interface argument for End.X in segment routing.
 
  - MCTP: add support for gateway routing, improve bind() handling.
 
  - Don't require rtnl_lock when fetching an IPv6 neighbor over Netlink.
 
  - Add a new neighbor flag ("extern_valid"), which cedes refresh
    responsibilities to userspace. This is needed for EVPN multi-homing
    where a neighbor entry for a multi-homed host needs to be synced
    across all the VTEPs among which the host is multi-homed.
 
  - Support NUD_PERMANENT for proxy neighbor entries.
 
  - Add a new queuing discipline for IETF RFC9332 DualQ Coupled AQM.
 
  - Add sequence numbers to netconsole messages. Unregister netconsole's
    console when all net targets are removed. Code refactoring.
    Add a number of selftests.
 
  - Align IPSec inbound SA lookup to RFC 4301. Only SPI and protocol
    should be used for an inbound SA lookup.
 
  - Support inspecting ref_tracker state via DebugFS.
 
  - Don't force bonding advertisement frames tx to ~333 ms boundaries.
    Add broadcast_neighbor option to send ARP/ND on all bonded links.
 
  - Allow providing upcall pid for the 'execute' command in openvswitch.
 
  - Remove DCCP support from Netfilter's conntrack.
 
  - Disallow multiple packet duplications in the queuing layer.
 
  - Prevent use of deprecated iptables code on PREEMPT_RT.
 
 Driver API
 ----------
 
  - Support RSS and hashing configuration over ethtool Netlink.
 
  - Add dedicated ethtool callbacks for getting and setting hashing fields.
 
  - Add support for power budget evaluation strategy in PSE /
    Power-over-Ethernet. Generate Netlink events for overcurrent etc.
 
  - Support DPLL phase offset monitoring across all device inputs.
    Support providing clock reference and SYNC over separate DPLL
    inputs.
 
  - Support traffic classes in devlink rate API for bandwidth management.
 
  - Remove rtnl_lock dependency from UDP tunnel port configuration.
 
 Device drivers
 --------------
 
  - Add a new Broadcom driver for 800G Ethernet (bnge).
 
  - Add a standalone driver for Microchip ZL3073x DPLL.
 
  - Remove IBM's NETIUCV device driver.
 
  - Ethernet high-speed NICs:
    - Broadcom (bnxt):
     - support zero-copy Tx of DMABUF memory
     - take page size into account for page pool recycling rings
    - Intel (100G, ice, idpf):
      - idpf: XDP and AF_XDP support preparations
      - idpf: add flow steering
      - add link_down_events statistic
      - clean up the TSPLL code
      - preparations for live VM migration
    - nVidia/Mellanox:
     - support zero-copy Rx/Tx interfaces (DMABUF and io_uring)
     - optimize context memory usage for matchers
     - expose serial numbers in devlink info
     - support PCIe congestion metrics
    - Meta (fbnic):
      - add 25G, 50G, and 100G link modes to phylink
      - support dumping FW logs
    - Marvell/Cavium:
      - support for CN20K generation of the Octeon chips
    - Amazon:
      - add HW clock (without timestamping, just hypervisor time access)
 
  - Ethernet virtual:
    - VirtIO net:
      - support segmentation of UDP-tunnel-encapsulated packets
    - Google (gve):
      - support packet timestamping and clock synchronization
    - Microsoft vNIC:
      - add handler for device-originated servicing events
      - allow dynamic MSI-X vector allocation
      - support Tx bandwidth clamping
 
  - Ethernet NICs consumer, and embedded:
    - AMD:
      - amd-xgbe: hardware timestamping and PTP clock support
    - Broadcom integrated MACs (bcmgenet, bcmasp):
      - use napi_complete_done() return value to support NAPI polling
      - add support for re-starting auto-negotiation
    - Broadcom switches (b53):
      - support BCM5325 switches
      - add bcm63xx EPHY power control
    - Synopsys (stmmac):
      - lots of code refactoring and cleanups
    - TI:
      - icssg-prueth: read firmware-names from device tree
      - icssg: PRP offload support
    - Microchip:
      - lan78xx: convert to PHYLINK for improved PHY and MAC management
      - ksz: add KSZ8463 switch support
    - Intel:
      - support similar queue priority scheme in multi-queue and
        time-sensitive networking (taprio)
      - support packet pre-emption in both
    - RealTek (r8169):
      - enable EEE at 5Gbps on RTL8126
    - Airoha:
      - add PPPoE offload support
      - MDIO bus controller for Airoha AN7583
 
  - Ethernet PHYs:
    - support for the IPQ5018 internal GE PHY
    - micrel KSZ9477 switch-integrated PHYs:
      - add MDI/MDI-X control support
      - add RX error counters
      - add cable test support
      - add Signal Quality Indicator (SQI) reporting
    - dp83tg720: improve reset handling and reduce link recovery time
    - support bcm54811 (and its MII-Lite interface type)
    - air_en8811h: support resume/suspend
    - support PHY counters for QCA807x and QCA808x
    - support WoL for QCA807x
 
  - CAN drivers:
    - rcar_canfd: support for Transceiver Delay Compensation
    - kvaser: report FW versions via devlink dev info
 
  - WiFi:
    - extended regulatory info support (6 GHz)
    - add statistics and beacon monitor for Multi-Link Operation (MLO)
    - support S1G aggregation, improve S1G support
    - add Radio Measurement action fields
    - support per-radio RTS threshold
    - some work around how FIPS affects wifi, which was wrong (RC4 is used
      by TKIP, not only WEP)
    - improvements for unsolicited probe response handling
 
  - WiFi drivers:
    - RealTek (rtw88):
      - IBSS mode for SDIO devices
    - RealTek (rtw89):
      - BT coexistence for MLO/WiFi7
      - concurrent station + P2P support
      - support for USB devices RTL8851BU/RTL8852BU
    - Intel (iwlwifi):
      - use embedded PNVM in (to be released) FW images to fix
        compatibility issues
      - many cleanups (unused FW APIs, PCIe code, WoWLAN)
      - some FIPS interoperability
    - MediaTek (mt76):
      - firmware recovery improvements
      - more MLO work
    - Qualcomm/Atheros (ath12k):
      - fix scan on multi-radio devices
      - more EHT/Wi-Fi 7 features
      - encapsulation/decapsulation offload
    - Broadcom (brcm80211):
      - support SDIO 43751 device
 
  - Bluetooth:
    - hci_event: add support for handling LE BIG Sync Lost event
    - ISO: add socket option to report packet seqnum via CMSG
    - ISO: support SCM_TIMESTAMPING for ISO TS
 
  - Bluetooth drivers:
    - intel_pcie: support Function Level Reset
    - nxpuart: add support for 4M baudrate
    - nxpuart: implement powerup sequence, reset, FW dump, and FW loading
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Wrap datapath globals into net_aligned_data, to avoid false sharing

   - Preserve MSG_ZEROCOPY in forwarding (e.g. out of a container)

   - Add SO_INQ and SCM_INQ support to AF_UNIX

   - Add SIOCINQ support to AF_VSOCK

   - Add TCP_MAXSEG sockopt to MPTCP

   - Add IPv6 force_forwarding sysctl to enable forwarding per interface

   - Make TCP validation of whether packet fully fits in the receive
     window and the rcv_buf more strict. With increased use of HW
     aggregation a single "packet" can be multiple 100s of kB

   - Add MSG_MORE flag to optimize large TCP transmissions via sockmap,
     improves latency up to 33% for sockmap users

   - Convert TCP send queue handling from tasklet to BH workque

   - Improve BPF iteration over TCP sockets to see each socket exactly
     once

   - Remove obsolete and unused TCP RFC3517/RFC6675 loss recovery code

   - Support enabling kernel threads for NAPI processing on per-NAPI
     instance basis rather than a whole device. Fully stop the kernel
     NAPI thread when threaded NAPI gets disabled. Previously thread
     would stick around until ifdown due to tricky synchronization

   - Allow multicast routing to take effect on locally-generated packets

   - Add output interface argument for End.X in segment routing

   - MCTP: add support for gateway routing, improve bind() handling

   - Don't require rtnl_lock when fetching an IPv6 neighbor over Netlink

   - Add a new neighbor flag ("extern_valid"), which cedes refresh
     responsibilities to userspace. This is needed for EVPN multi-homing
     where a neighbor entry for a multi-homed host needs to be synced
     across all the VTEPs among which the host is multi-homed

   - Support NUD_PERMANENT for proxy neighbor entries

   - Add a new queuing discipline for IETF RFC9332 DualQ Coupled AQM

   - Add sequence numbers to netconsole messages. Unregister
     netconsole's console when all net targets are removed. Code
     refactoring. Add a number of selftests

   - Align IPSec inbound SA lookup to RFC 4301. Only SPI and protocol
     should be used for an inbound SA lookup

   - Support inspecting ref_tracker state via DebugFS

   - Don't force bonding advertisement frames tx to ~333 ms boundaries.
     Add broadcast_neighbor option to send ARP/ND on all bonded links

   - Allow providing upcall pid for the 'execute' command in openvswitch

   - Remove DCCP support from Netfilter's conntrack

   - Disallow multiple packet duplications in the queuing layer

   - Prevent use of deprecated iptables code on PREEMPT_RT

  Driver API:

   - Support RSS and hashing configuration over ethtool Netlink

   - Add dedicated ethtool callbacks for getting and setting hashing
     fields

   - Add support for power budget evaluation strategy in PSE /
     Power-over-Ethernet. Generate Netlink events for overcurrent etc

   - Support DPLL phase offset monitoring across all device inputs.
     Support providing clock reference and SYNC over separate DPLL
     inputs

   - Support traffic classes in devlink rate API for bandwidth
     management

   - Remove rtnl_lock dependency from UDP tunnel port configuration

  Device drivers:

   - Add a new Broadcom driver for 800G Ethernet (bnge)

   - Add a standalone driver for Microchip ZL3073x DPLL

   - Remove IBM's NETIUCV device driver

   - Ethernet high-speed NICs:
      - Broadcom (bnxt):
         - support zero-copy Tx of DMABUF memory
         - take page size into account for page pool recycling rings
      - Intel (100G, ice, idpf):
         - idpf: XDP and AF_XDP support preparations
         - idpf: add flow steering
         - add link_down_events statistic
         - clean up the TSPLL code
         - preparations for live VM migration
      - nVidia/Mellanox:
         - support zero-copy Rx/Tx interfaces (DMABUF and io_uring)
         - optimize context memory usage for matchers
         - expose serial numbers in devlink info
         - support PCIe congestion metrics
      - Meta (fbnic):
         - add 25G, 50G, and 100G link modes to phylink
         - support dumping FW logs
      - Marvell/Cavium:
         - support for CN20K generation of the Octeon chips
      - Amazon:
         - add HW clock (without timestamping, just hypervisor time access)

   - Ethernet virtual:
      - VirtIO net:
         - support segmentation of UDP-tunnel-encapsulated packets
      - Google (gve):
         - support packet timestamping and clock synchronization
      - Microsoft vNIC:
         - add handler for device-originated servicing events
         - allow dynamic MSI-X vector allocation
         - support Tx bandwidth clamping

   - Ethernet NICs consumer, and embedded:
      - AMD:
         - amd-xgbe: hardware timestamping and PTP clock support
      - Broadcom integrated MACs (bcmgenet, bcmasp):
         - use napi_complete_done() return value to support NAPI polling
         - add support for re-starting auto-negotiation
      - Broadcom switches (b53):
         - support BCM5325 switches
         - add bcm63xx EPHY power control
      - Synopsys (stmmac):
         - lots of code refactoring and cleanups
      - TI:
         - icssg-prueth: read firmware-names from device tree
         - icssg: PRP offload support
      - Microchip:
         - lan78xx: convert to PHYLINK for improved PHY and MAC management
         - ksz: add KSZ8463 switch support
      - Intel:
         - support similar queue priority scheme in multi-queue and
           time-sensitive networking (taprio)
         - support packet pre-emption in both
      - RealTek (r8169):
         - enable EEE at 5Gbps on RTL8126
      - Airoha:
         - add PPPoE offload support
         - MDIO bus controller for Airoha AN7583

   - Ethernet PHYs:
      - support for the IPQ5018 internal GE PHY
      - micrel KSZ9477 switch-integrated PHYs:
         - add MDI/MDI-X control support
         - add RX error counters
         - add cable test support
         - add Signal Quality Indicator (SQI) reporting
      - dp83tg720: improve reset handling and reduce link recovery time
      - support bcm54811 (and its MII-Lite interface type)
      - air_en8811h: support resume/suspend
      - support PHY counters for QCA807x and QCA808x
      - support WoL for QCA807x

   - CAN drivers:
      - rcar_canfd: support for Transceiver Delay Compensation
      - kvaser: report FW versions via devlink dev info

   - WiFi:
      - extended regulatory info support (6 GHz)
      - add statistics and beacon monitor for Multi-Link Operation (MLO)
      - support S1G aggregation, improve S1G support
      - add Radio Measurement action fields
      - support per-radio RTS threshold
      - some work around how FIPS affects wifi, which was wrong (RC4 is
        used by TKIP, not only WEP)
      - improvements for unsolicited probe response handling

   - WiFi drivers:
      - RealTek (rtw88):
         - IBSS mode for SDIO devices
      - RealTek (rtw89):
         - BT coexistence for MLO/WiFi7
         - concurrent station + P2P support
         - support for USB devices RTL8851BU/RTL8852BU
      - Intel (iwlwifi):
         - use embedded PNVM in (to be released) FW images to fix
           compatibility issues
         - many cleanups (unused FW APIs, PCIe code, WoWLAN)
         - some FIPS interoperability
      - MediaTek (mt76):
         - firmware recovery improvements
         - more MLO work
      - Qualcomm/Atheros (ath12k):
         - fix scan on multi-radio devices
         - more EHT/Wi-Fi 7 features
         - encapsulation/decapsulation offload
      - Broadcom (brcm80211):
         - support SDIO 43751 device

   - Bluetooth:
      - hci_event: add support for handling LE BIG Sync Lost event
      - ISO: add socket option to report packet seqnum via CMSG
      - ISO: support SCM_TIMESTAMPING for ISO TS

   - Bluetooth drivers:
      - intel_pcie: support Function Level Reset
      - nxpuart: add support for 4M baudrate
      - nxpuart: implement powerup sequence, reset, FW dump, and FW loading"

* tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1742 commits)
  dpll: zl3073x: Fix build failure
  selftests: bpf: fix legacy netfilter options
  ipv6: annotate data-races around rt->fib6_nsiblings
  ipv6: fix possible infinite loop in fib6_info_uses_dev()
  ipv6: prevent infinite loop in rt6_nlmsg_size()
  ipv6: add a retry logic in net6_rt_notify()
  vrf: Drop existing dst reference in vrf_ip6_input_dst
  net/sched: taprio: align entry index attr validation with mqprio
  net: fsl_pq_mdio: use dev_err_probe
  selftests: rtnetlink.sh: remove esp4_offload after test
  vsock: remove unnecessary null check in vsock_getname()
  igb: xsk: solve negative overflow of nb_pkts in zerocopy mode
  stmmac: xsk: fix negative overflow of budget in zerocopy mode
  dt-bindings: ieee802154: Convert at86rf230.txt yaml format
  net: dsa: microchip: Disable PTP function of KSZ8463
  net: dsa: microchip: Setup fiber ports for KSZ8463
  net: dsa: microchip: Write switch MAC address differently for KSZ8463
  net: dsa: microchip: Use different registers for KSZ8463
  net: dsa: microchip: Add KSZ8463 switch support to KSZ DSA driver
  dt-bindings: net: dsa: microchip: Add KSZ8463 switch support
  ...
2025-07-30 08:58:55 -07:00
Steven Rostedt
623526ba89 Documentation: tracing: Add documentation about eprobes
Eprobes was added back in 5.15, but was never documented. It became a
"secret" interface even though it has been a topic of several
presentations. For some reason, when eprobes was added, documenting it
never became a priority, until now.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/20250730140945.528135548@kernel.org
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-07-30 10:38:43 -04:00
Steven Rostedt
0dd1274a05 tracing: Have eprobes have their own config option
Eprobes were added in 5.15 and were selected whenever any of the other
probe events were selected. If kprobe events were enabled (which it is by
default if kprobes are enabled) it would enable eprobe events as well. The
same for uprobes and fprobes.

Have eprobes have its own config and it gets enabled by default if tracing
is enabled.

Link: https://lore.kernel.org/all/20250729102636.b7cce553e7cc263722b12365@kernel.org/

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/20250730140945.360286733@kernel.org
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-07-30 10:38:43 -04:00
Norman Maurer
6f02527729 io_uring/net: Allow to do vectorized send
At the moment you have to use sendmsg for vectorized send.
While this works it's suboptimal as it also means you need to
allocate a struct msghdr that needs to be kept alive until a
submission happens. We can remove this limitation by just
allowing to use send directly.

Signed-off-by: Norman Maurer <norman_maurer@apple.com>
Link: https://lore.kernel.org/r/20250729065952.26646-1-norman_maurer@apple.com
[axboe: remove -EINVAL return for SENDMSG and SEND_VECTORIZED]
[axboe: allow send_zc to set SEND_VECTORIZED too]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-07-30 08:23:04 -06:00
Takashi Iwai
81231ad173 ALSA: hda/hdmi: Enable drivers as default
Like other HD-audio codec drivers, HD-audio HDMI codec driver was
split to multiple drivers, and now users are forced to choose the
right kconfig items.

For smoother upgrade path, keep the previous CONFIG_SND_HDA_CODEC_HDMI
as the meuconfig, so that the kconfig can be taken over from the
previous config.  The all belonging HDMI codec drivers are enabled as
default as long as CONFIG_SND_HDA_CODEC_HDMI is set.

This is only about the default config, and each driver can be still
disabled if user wants to reduce the size, too.

The kconfig for the generic HDMI driver is changed to
CONFIG_SND_HDA_CODEC_HDMI_GENERIC along with this action.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250730064639.25617-4-tiwai@suse.de
2025-07-30 15:39:42 +02:00
Takashi Iwai
fc2792a400 ALSA: hda/cirrus: Enable drivers as default
Like HD-audio Realtek drivers, Cirrus Logic HD-audio codec driver was
split to multiple drivers, too, and now users are forced to choose the
right kconfig items.

For smoother upgrade path, keep the previous
CONFIG_SND_HDA_CODEC_CIRRUS as the menuconfig.

The new kconfig CONFIG_SND_HDA_CODEC_CS42* are enabled as default, as
long as CONFIG_SND_HDA_CODEC_CIRRUS is set, so that the system with
Cirrus codec can keep working.

This is only about the default config, and each driver can be still
disabled if user wants to reduce the size, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250730064639.25617-3-tiwai@suse.de
2025-07-30 15:39:42 +02:00
Takashi Iwai
1d8dd982c4 ALSA: hda/realtek: Enable drivers as default
The recent split of Realtek HD-audio driver forced users to choose the
right Kconfigs, but most users have no idea which ones to enable.
Although the distros tend to enable all of them, individual users may
have their own favorites and miss something needed via the version
upgrade.

For smoother upgrade path from the previous kernel configuration, now
we take the following changes:

- CONFIG_SND_HDA_CODEC_REALTEK (which is a menuconfig) is changed from
  bool to tristate again, so that it can take over from the previous
  config gracefully.
- CONFIG_SND_HDA_CODEC_ALC* receive "default y", so that they are
  enabled as default as long as CONFIG_SND_HDA_CODEC_REALTEK is set.
  Those can be still disabled if users want to reduce the size, too.

At least this allows users to run "make oldconfig" and push RETURN
blindly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250730064639.25617-2-tiwai@suse.de
2025-07-30 15:39:42 +02:00
Cezary Rojewski
11f74f48c1
ASoC: Intel: avs: Fix uninitialized pointer error in probe()
If pcim_request_all_regions() fails, error path operates on
uninitialized 'bus' pointer. Found out by Coverity static analyzer.

Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250730124906.351798-1-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-30 13:48:43 +01:00
Nilay Shroff
04225d13ae block: fix potential deadlock while running nr_hw_queue update
Move scheduler tags (sched_tags) allocation and deallocation outside
both the ->elevator_lock and ->freeze_lock when updating nr_hw_queues.
This change breaks the dependency chain from the percpu allocator lock
to the elevator lock, helping to prevent potential deadlocks, as
observed in the reported lockdep splat[1].

This commit introduces batch allocation and deallocation helpers for
sched_tags, which are now used from within __blk_mq_update_nr_hw_queues
routine while iterating through the tagset.

With this change, all sched_tags memory management is handled entirely
outside the ->elevator_lock and the ->freeze_lock context, thereby
eliminating the lock dependency that could otherwise manifest during
nr_hw_queues updates.

[1] https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/

Reported-by: Stefan Haberland <sth@linux.ibm.com>
Closes: https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nilay Shroff <nilay@linux.ibm.com>
Link: https://lore.kernel.org/r/20250730074614.2537382-4-nilay@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-07-30 06:20:51 -06:00
Nilay Shroff
f5a6604f7a block: fix lockdep warning caused by lock dependency in elv_iosched_store
Recent lockdep reports [1] have revealed a potential deadlock caused by a
lock dependency between the percpu allocator lock and the elevator lock.
This issue can be avoided by ensuring that the allocation and release of
scheduler tags (sched_tags) are performed outside the elevator lock.
Furthermore, the queue does not need to be remain frozen during these
operations.

To address this, move all sched_tags allocations and deallocations outside
of both the ->elevator_lock and the ->freeze_lock. Since the lifetime of
the elevator queue and its associated sched_tags is closely tied, the
allocated sched_tags are now stored in the elevator queue structure. Then,
during the actual elevator switch (which runs under ->freeze_lock and
->elevator_lock), the pre-allocated sched_tags are assigned to the
appropriate q->hctx. Once the elevator switch is complete and the locks
are released, the old elevator queue and its associated sched_tags are
freed.

This commit specifically addresses the allocation/deallocation of sched_
tags during elevator switching. Note that sched_tags may also be allocated
in other contexts, such as during nr_hw_queues updates. Supporting that
use case will require batch allocation/deallocation, which will be handled
in a follow-up patch.

This restructuring ensures that sched_tags memory management occurs
entirely outside of the ->elevator_lock and ->freeze_lock context,
eliminating the lock dependency problem seen during scheduler updates.

[1] https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/

Reported-by: Stefan Haberland <sth@linux.ibm.com>
Closes: https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nilay Shroff <nilay@linux.ibm.com>
Link: https://lore.kernel.org/r/20250730074614.2537382-3-nilay@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-07-30 06:20:51 -06:00
Nilay Shroff
49811586be block: move elevator queue allocation logic into blk_mq_init_sched
In preparation for allocating sched_tags before freezing the request
queue and acquiring ->elevator_lock, move the elevator queue allocation
logic from the elevator ops ->init_sched callback into blk_mq_init_sched.
As elevator_alloc is now only invoked from block layer core, we don't
need to export it, so unexport elevator_alloc function.

This refactoring provides a centralized location for elevator queue
initialization, which makes it easier to store pre-allocated sched_tags
in the struct elevator_queue during later changes.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nilay Shroff <nilay@linux.ibm.com>
Link: https://lore.kernel.org/r/20250730074614.2537382-2-nilay@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-07-30 06:20:51 -06:00
John Johansen
43584e9932 apparmor: fix Regression on linux-next (next-20250721)
sk lock initialization was incorrectly removed, from
apparmor_file_alloc_security() while testing changes to changes to
apparmor_sk_alloc_security()

resulting in the following regression.

[   48.056654] INFO: trying to register non-static key.
[   48.057480] The code is fine but needs lockdep annotation, or maybe
[   48.058416] you didn't initialize this object before use?
[   48.059209] turning off the locking correctness validator.
[   48.060040] CPU: 0 UID: 0 PID: 648 Comm: chronyd Not tainted 6.16.0-rc7-test-next-20250721-11410-g1ee809985e11-dirty #577 NONE
[   48.060049] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   48.060055] Call Trace:
[   48.060059]  <TASK>
[   48.060063] dump_stack_lvl (lib/dump_stack.c:122)
[   48.060075] register_lock_class (kernel/locking/lockdep.c:988 kernel/locking/lockdep.c:1302)
[   48.060084] ? path_name (security/apparmor/file.c:159)
[   48.060093] __lock_acquire (kernel/locking/lockdep.c:5116)
[   48.060103] lock_acquire (kernel/locking/lockdep.c:473 (discriminator 4) kernel/locking/lockdep.c:5873 (discriminator 4) kernel/locking/lockdep.c:5828 (discriminator 4))
[   48.060109] ? update_file_ctx (security/apparmor/file.c:464)
[   48.060115] ? __pfx_profile_path_perm (security/apparmor/file.c:247)
[   48.060121] _raw_spin_lock (include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[   48.060130] ? update_file_ctx (security/apparmor/file.c:464)
[   48.060134] update_file_ctx (security/apparmor/file.c:464)
[   48.060140] aa_file_perm (security/apparmor/file.c:532 (discriminator 1) security/apparmor/file.c:642 (discriminator 1))
[   48.060147] ? __pfx_aa_file_perm (security/apparmor/file.c:607)
[   48.060152] ? do_mmap (mm/mmap.c:558)
[   48.060160] ? __pfx_userfaultfd_unmap_complete (fs/userfaultfd.c:841)
[   48.060170] ? __lock_acquire (kernel/locking/lockdep.c:4677 (discriminator 1) kernel/locking/lockdep.c:5194 (discriminator 1))
[   48.060176] ? common_file_perm (security/apparmor/lsm.c:535 (discriminator 1))
[   48.060185] security_mmap_file (security/security.c:3012 (discriminator 2))
[   48.060192] vm_mmap_pgoff (mm/util.c:574 (discriminator 1))
[   48.060200] ? find_held_lock (kernel/locking/lockdep.c:5353 (discriminator 1))
[   48.060206] ? __pfx_vm_mmap_pgoff (mm/util.c:568)
[   48.060212] ? lock_release (kernel/locking/lockdep.c:5539 kernel/locking/lockdep.c:5892 kernel/locking/lockdep.c:5878)
[   48.060219] ? __fget_files (arch/x86/include/asm/preempt.h:85 (discriminator 13) include/linux/rcupdate.h:100 (discriminator 13) include/linux/rcupdate.h:873 (discriminator 13) fs/file.c:1072 (discriminator 13))
[   48.060229] ksys_mmap_pgoff (mm/mmap.c:604)
[   48.060239] do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[   48.060248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   48.060254] RIP: 0033:0x7fb6920e30a2
[ 48.060265] Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 e6 41 01 00 16 00
All code
========
   0:	08 00                	or     %al,(%rax)
   2:	04 00                	add    $0x0,%al
   4:	00 eb                	add    %ch,%bl
   6:	e2 90                	loop   0xffffffffffffff98
   8:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   f:	75 27                	jne    0x38
  11:	55                   	push   %rbp
  12:	89 cd                	mov    %ecx,%ebp
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 33                	je     0x50
  1d:	41 89 ea             	mov    %ebp,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 5e                	ja     0x90
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	0f 1f 00             	nopl   (%rax)
  38:	c7                   	.byte 0xc7
  39:	05 e6 41 01 00       	add    $0x141e6,%eax
  3e:	16                   	(bad)
	...

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 5e                	ja     0x66
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	0f 1f 00             	nopl   (%rax)
   e:	c7                   	.byte 0xc7
   f:	05 e6 41 01 00       	add    $0x141e6,%eax
  14:	16                   	(bad)
	...
[   48.060270] RSP: 002b:00007ffd2c0d3528 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   48.060279] RAX: ffffffffffffffda RBX: 00007fb691fc8000 RCX: 00007fb6920e30a2
[   48.060283] RDX: 0000000000000005 RSI: 000000000007d000 RDI: 00007fb691fc8000
[   48.060287] RBP: 0000000000000812 R08: 0000000000000003 R09: 0000000000011000
[   48.060290] R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffd2c0d3578
[   48.060293] R13: 00007fb6920b6160 R14: 00007ffd2c0d39f0 R15: 00000fffa581a6a8

Fixes: 88fec3526e ("apparmor: make sure unix socket labeling is correctly updated.")
Signed-off-by: John Johansen <john.johansen@canonical.com>
2025-07-30 05:01:38 -07:00
John Johansen
f3c0675bb9 apparmor: fix test error: WARNING in apparmor_unix_stream_connect
commit 88fec3526e ("apparmor: make sure unix socket labeling is correctly updated.")
added the use of security_sk_alloc() which ensures the sk label is
initialized.

This means that the AA_BUG in apparmor_unix_stream_connect() is no
longer correct, because while the sk is still not being initialized
by going through post_create, it is now initialize in sk_alloc().
Remove the now invalid check.

Reported-by: syzbot+cd38ee04bcb3866b0c6d@syzkaller.appspotmail.com
Fixes: 88fec3526e ("apparmor: make sure unix socket labeling is correctly updated.")
Signed-off-by: John Johansen <john.johansen@canonical.com>
2025-07-30 05:00:47 -07:00
Jiapeng Chong
8936125e23 apparmor: Remove the unused variable rules
Variable rules is not effectively used, so delete it.

security/apparmor/lsm.c:182:23: warning: variable ‘rules’ set but not used.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=22942
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
2025-07-30 04:57:56 -07:00
Lukasz Laguna
552dbba1ca drm/xe/vf: Disable CSC support on VF
CSC is not accessible by VF drivers, so disable its support flag on VF
to prevent further initialization attempts.

Fixes: e02cea83d3 ("drm/xe/gsc: add Battlemage support")
Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Cc: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20250729123437.5933-1-lukasz.laguna@intel.com
2025-07-30 13:09:46 +02:00
Shengjiu Wang
8d452accd1
ASoC: wm8962: Clear master mode when enter runtime suspend
The enabled master mode causes power consumption to increase in idle
state. Clear the MSTR bit in runtime supsend and recover it in runtime
resume to reduce power.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250730064054.3006409-1-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-30 11:45:46 +01:00
Miquel Raynal
fb2fae70e7 mtd: spinand: winbond: Add comment about the maximum frequency
Clarify that Winbond octal capable chips may be clocked at up to 166MHz,
which is their absolute maximum.

No per-operation maximum value (captured with a "0" in the table)
involves that in these cases the maximum frequency of the chip applies,
ie. the one commonly described in the DT.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:32:16 +02:00
Miquel Raynal
535f30d997 mtd: spinand: winbond: Enable high-speed modes on w35n0xjw
w35n0xjw chips can run at up to 166MHz in octal mode, but this is only
possible after programming various VCR registers.

Implement the new ->configure_chip() hook for this purpose.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:32:16 +02:00
Miquel Raynal
f1a91175fa mtd: spinand: winbond: Enable high-speed modes on w25n0xjw
w25n0xjw chips have a high-speed capability hidden in a configuration
register. Once enabled, dual/quad SDR reads may be performed at a much
higher frequency.

Implement the new ->configure_chip() hook for this purpose and configure
the SR4 register accordingly.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:32:16 +02:00
Miquel Raynal
da55809ebb mtd: spinand: Add a ->configure_chip() hook
There is already a manufacturer hook, which is manufacturer specific but
not chip specific. We no longer have access to the actual NAND identity
at this stage so let's add a per-chip configuration hook to align the
chip configuration (if any) with the core's setting.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:32:16 +02:00
Miquel Raynal
d81ad9d78e mtd: spinand: Add a frequency field to all READ_FROM_CACHE variants
These macros had initially no frequency field. When I added the "maximum
operation frequency" field, I did it initially on very common macros and
I decided to add an optional field for that (with VA_ARGS) in order to
prevent massively unreadable changes. I then added new variants in the
spinand.h header, and requested a frequency field for them by
default. Some times later, I also added maximum frequencies to other
existing variants, but I did it incorrectly, without noticing I was
wrong because the field was optional.

This mix is error prone, so let's do what I should have done since the
very beginning: add a frequency field to all READ_FROM_CACHE variants.

There is no functional change.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:32:16 +02:00
Miquel Raynal
5de7ea4965 mtd: spinand: Fix macro alignment
No functional change, just a style fix to align with the other
macros all around.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:32:15 +02:00
Miquel Raynal
a11a518965 spi: spi-mem: Take into account the actual maximum frequency
In order to pick the best variant, the duration of each typical
operation is derived and then compared. These durations are based on the
maximum capabilities of the chips, which are commonly the limiting
factors. However there are other possible limiting pieces, such as the
hardware layout, EMC considerations and in some cases, the SPI controller
itself.

We need to take this into account to further refine our variant choice,
so let's use the actual frequency that will be used for the operation
instead of the theoretical maximum.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
2025-07-30 11:32:05 +02:00
Miquel Raynal
62df72a0ab spi: spi-mem: Use picoseconds for calculating the op durations
spi_mem_calc_op_duration() is deriving the duration of a specific op, by
multiplying the number of cycles with the time a cycle will last. This
time was measured in nanoseconds, which means at high frequencies the
delta between two frequencies might not be properly catch due to
roundings.

For instance, the Winbond driver has a changing number of dummy cycles
depending on the speed, adding +8 dummy cycles when running at 166MHz
compared to 162MHz.

Both frequencies would lead to using a 6ns delay per cycle for the op
duration computation, whereas in practice there is a small difference
which actually offsets the number of extra dummy cycles on a normal page
read.

Augmenting the precision of the calculation by using picoseconds
prevents selecting a lower frequency if we can do slightly better with
another frequency involving more cycles. As a result, the above
situation leads to comparing cycles of 6024 and 6172 picoseconds which
leads to picking the most efficient variant.

Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:30:05 +02:00
Balamanikandan Gunasundar
f552a7c7e0 mtd: rawnand: atmel: set pmecc data setup time
Setup the pmecc data setup time as 3 clock cycles for 133MHz as recommended
by the datasheet.

Fixes: f88fc122cc ("mtd: nand: Cleanup/rework the atmel_nand driver")
Reported-by: Zixun LI <admin@hifiphile.com>
Closes: https://lore.kernel.org/all/c015bb20-6a57-4f63-8102-34b3d83e0f5b@microchip.com
Suggested-by: Ada Couprie Diaz <ada.coupriediaz@arm.com>
Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Gabor Juhos
091d9e35b8 mtd: spinand: propagate spinand_wait() errors from spinand_write_page()
Since commit 3d1f08b032 ("mtd: spinand: Use the external ECC engine
logic") the spinand_write_page() function ignores the errors returned
by spinand_wait(). Change the code to propagate those up to the stack
as it was done before the offending change.

Cc: stable@vger.kernel.org
Fixes: 3d1f08b032 ("mtd: spinand: Use the external ECC engine logic")
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Thomas Fourier
6c4dab3843 mtd: rawnand: fsmc: Add missing check after DMA map
The DMA map functions can fail and should be tested for errors.

Fixes: 4774fb0a48 ("mtd: nand/fsmc: Add DMA support")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Rule: add
Link: https://lore.kernel.org/stable/20250702065806.20983-2-fourier.thomas%40gmail.com
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Thomas Fourier
3b36f86dc4 mtd: rawnand: rockchip: Add missing check after DMA map
The DMA map functions can fail and should be tested for errors.

Fixes: 058e0e847d ("mtd: rawnand: rockchip: NFC driver for RK3308, RK2928 and others")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Hector Palacios
125100566b mtd: rawnand: hynix: don't try read-retry on SLC NANDs
Some SLC NANDs like H27U4G8F2D expose a valid JEDEC ID yet they don't
support the read-retry mechanism, and fail.
Since SLC NANDs don't require read-retry, continue only if the bits per
cell is bigger than 1.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Thomas Fourier
e1e6b933c5 mtd: rawnand: atmel: Fix dma_mapping_error() address
It seems like what was intended is to test if the dma_map of the
previous line failed but the wrong dma address was passed.

Fixes: f88fc122cc ("mtd: nand: Cleanup/rework the atmel_nand driver")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Rule: add
Link: https://lore.kernel.org/stable/20250702064515.18145-2-fourier.thomas%40gmail.com
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
David Regan
23584da287 mtd: nand: brcmnand: fix mtd corrected bits stat
Currently we attempt to get the amount of flipped bits from a hardware
location which is reset on every subpage. Instead obtain total flipped
bits stat from hardware accumulator. In addition identify the correct
maximum subpage corrected bits.

Signed-off-by: David Regan <dregan@broadcom.com>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Thomas Fourier
79e441ee47 mtd: rawnand: renesas: Add missing check after DMA map
The DMA map functions can fail and should be tested for errors.

Fixes: d8701fe890 ("mtd: rawnand: renesas: Add new NAND controller driver")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Teng Wu
fdfb040d0b mtd: spinand: gigadevice: Add support for GD5F1GM9 chips
- GD5F1GM9UExxG (ID:c89101 3.3V)
- GD5F1GM9RExxG (ID:c88101 1.8V)

Both device feature:
  - 1Gb density (1024 blocks)
  - 2048-byte page size with 128-byte OOB
  - 8-bit ECC requirement per 512 bytes
  - Quad I/O Read support (opcode EBH)
  - tPROG ≤ 300us typical page program time

Testing environment:
  - Platform: Raspberry PI-5 (Linux raspberry 6.15.0-rc6-v8)
  - Operations verified:
    * Full device read/write/erase cycles on all blocks
    * Nandspeed:
      ~ GD5F1GM9UE: 2.75MB/s read, 1.99MB/s write, 41.26MB/s erase
      ~ GD5F1GM9RE: 1.84MB/s read, 1.45MB/s write, 41.04MS/s erase
    * Nandbiterrs: Both corredted 8-bit errors per 512 bytes
    * Stresstest: Both 144k cycles 0 bad block growth

Full test log:
 -U: https://gist.github.com/WT-886/b0f41fb50ddac3adc0020222c1f89b61
 -R: https://gist.github.com/WT-886/8784e72f4632d519814928ff49225963

Datasheet:
 -https://github.com/WT-886/DATASHEET/blob/main/GD5F1GM9-v1.0.pdf

Signed-off-by: Teng Wu <gigadevice2025@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Yuesong Li
258ef75cf2 mtd: nand: brcmnand: replace manual string choices with standard helpers
Use kernel provided standard helper function to replace hard-coded
strings

Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-07-30 11:27:30 +02:00
Vinod Govindapillai
82dde0407a drm/i915/fbc: fix the implementation of wa_18038517565
As per the wa_18038517565, we need to disable FBC compressor
clock gating before enabling FBC and enable after disabling
FBC. Placing the enabling of clock gating in the fbc deactivate
function can make the above wa logic go wrong in case of
frontbuffer rendering FBC mechanism. FBC deactivate can get
called during fb invalidate and then the corresponding FBC
activate can get called without properly disabling the clock
gating and can result in compression stalled. So move the
enable clock gating at the end of one FBC session after FBC
is completely disabled for a pipe.

Bspec: 74212, 72197, 69741, 65555
Fixes: 010363c461 ("drm/i915/display: implement wa_18038517565")
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://lore.kernel.org/r/20250729124648.288497-1-vinod.govindapillai@intel.com
2025-07-30 11:41:54 +03:00
Shree Ramamoorthy
006aa8f57f mfd: dt-bindings: Convert TPS65910 to DT schema
Convert the TI TPS65910 documentation to DT schema format.

Fix incorrect I2C address in example: should be 0x2d.

TPS65910 datasheet: https://www.ti.com/lit/gpn/tps65910

Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@ti.com>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250708210448.56384-1-s-ramamoorthy@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-30 08:16:45 +01:00
Charles Keepax
73e52f871f mfd: Minor Cirrus/Maxim Kconfig order fixes
Move some Cirrus parts so they are grouped together alphabetically in
menuconfig. Also move the Maxim 5970 out of the middle of the Cirrus
parts and put it with the other Maxim parts. No functional changes
just alphabetising.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250709133103.3482015-1-ckeepax@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-30 08:16:44 +01:00
Sakari Ailus
8b96324c75 mfd: Remove redundant pm_runtime_mark_last_busy() calls
pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250704075432.3220321-1-sakari.ailus@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-30 08:16:43 +01:00
Edip Hazuri
a9dec09631 ALSA: hda/realtek - Fix mute LED for HP Victus 16-d1xxx (MB 8A26)
My friend have Victus 16-d1xxx with board ID 8A26, the existing quirk
for Victus 16-d1xxx wasn't working because of different board ID

Tested on Victus 16-d1015nt Laptop. The LED behaviour works
as intended.

Cc: <stable@vger.kernel.org>
Signed-off-by: Edip Hazuri <edip@medip.dev>
Link: https://patch.msgid.link/20250729181848.24432-4-edip@medip.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-07-30 07:51:44 +02:00