[GIT PULL] virtio,vhost,vdpa: features, fixes

[Michael S. Tsirkin]

The following changes since commit e43ffb69e0438cddd72aaa30898b4dc446f664f8:

  Linux 7.1-rc6 (2026-05-31 15:14:24 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus

for you to fetch changes up to 8cb2c9285e4ce9154f45fb15633ebd45dfd8d9cf:

  can: virtio: Fix comment in UAPI header (2026-06-10 02:17:00 -0400)

----------------------------------------------------------------
virtio,vhost,vdpa: features, fixes

- new virtio CAN driver
- support for LoongArch architecture in fw_cfg
- support for firmware notifications in vdpa/octeon_ep
- support for VFs in virtio core

- fixes, cleanups all over the place, notably
    - vhost: fix vhost_get_avail_idx for a non empty ring
      fixing an significant old perf regression
    - plus READ_ONCE annotations mean virtio ring is now
      free of KCSAN warnings

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>

----------------------------------------------------------------
Alexander Graf (1):
      virtio_ring: Add READ_ONCE annotations for device-writable fields

Ammar Faizi (1):
      virtio_pci: fix vq info pointer lookup via wrong index

Arnd Bergmann (1):
      vduse: fix compat handling for VDUSE_IOTLB_GET_FD/VDUSE_VQ_GET_INFO

Christian Fontanez (1):
      virtio: add missing kernel-doc for map and vmap members

Cindy Lu (2):
      vdpa/mlx5: update mlx_features with driver state check
      vdpa/mlx5: update MAC address handling in mlx5_vdpa_set_attr()

Denis V. Lunev (1):
      vhost/vsock: Refuse the connection immediately when guest isn't ready

Ethan Carter Edwards (1):
      virtio_console: Fix spelling mistake "colums" -> "columns"

Ethan Nelson-Moore (1):
      vhost: remove unnecessary module_init/exit functions

Evgenii Burenchev (1):
      vdpa/ifcvf: handle dev_set_name() failure in ifcvf_vdpa_dev_add()

Filip Hejsek (1):
      virtio_console: read size from config space during device init

Huacai Chen (1):
      fw_cfg: Add support for LoongArch architecture

Jason Wang (1):
      VDUSE: avoid leaking information to userspace

Jia Jia (1):
      virtio: rtc: tear down old virtqueues before restore

Johan Hovold (3):
      virtio-mmio: fix device release warning on module unload
      vdpa_sim_blk: switch to dynamic root device
      vdpa_sim_net: switch to dynamic root device

Matias Ezequiel Vara Larsen (1):
      can: virtio: Add virtio CAN driver

Maurice Hieronymus (2):
      virtio-balloon: Destroy mutex before freeing virtio_balloon
      virtio-mem: Destroy mutex before freeing virtio_mem

Michael Bommarito (1):
      hwrng: virtio: clamp device-reported used.len at copy_data()

Michael S. Tsirkin (2):
      vhost: fix vhost_get_avail_idx for a non empty ring
      tools/virtio: fix build for kmalloc_obj API and missing stubs

Nathan Chancellor (1):
      can: virtio: Fix comment in UAPI header

Oleg Nesterov (1):
      vhost_task_create: kill unnecessary .exit_signal initialization

Qihang Tang (2):
      vduse: hold vduse_lock across IDR lookup in open path
      vhost/vdpa: validate virtqueue index in mmap and fault paths

Qing Ming (1):
      vhost/net: complete zerocopy ubufs only once

Rosen Penev (1):
      vdpa/mlx5: Use kvzalloc_flex() for MTT command memory

Srujana Challa (2):
      vdpa/octeon_ep: Fix PF->VF mailbox data address calculation
      vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler

Vamsi Attunuru (2):
      vdpa/octeon_ep: Use 4 bytes for mailbox signature
      vdpa/octeon_ep: Add vDPA device event handling for firmware notifications

Yui Washizu (1):
      virtio: add num_vf callback to virtio_bus

Zhang Tianci (2):
      vduse: Requeue failed read to send_list head
      vduse: Fix race in vduse_dev_msg_sync and vduse_dev_read_iter

longlong yan (1):
      tools/virtio: check mmap return value in vringh_test

 MAINTAINERS                              |    9 +
 drivers/char/hw_random/virtio-rng.c      |   23 +-
 drivers/char/virtio_console.c            |   52 +-
 drivers/firmware/Kconfig                 |    2 +-
 drivers/firmware/qemu_fw_cfg.c           |    2 +-
 drivers/net/can/Kconfig                  |   12 +
 drivers/net/can/Makefile                 |    1 +
 drivers/net/can/virtio_can.c             | 1022 ++++++++++++++++++++++++++++++
 drivers/vdpa/ifcvf/ifcvf_main.c          |   11 +-
 drivers/vdpa/mlx5/core/mr.c              |    7 +-
 drivers/vdpa/octeon_ep/octep_vdpa.h      |   22 +-
 drivers/vdpa/octeon_ep/octep_vdpa_main.c |  131 +++-
 drivers/vdpa/vdpa_sim/vdpa_sim_blk.c     |   24 +-
 drivers/vdpa/vdpa_sim/vdpa_sim_net.c     |   23 +-
 drivers/vdpa/vdpa_user/iova_domain.c     |    2 +-
 drivers/vdpa/vdpa_user/vduse_dev.c       |  197 +++++-
 drivers/vhost/net.c                      |   15 +-
 drivers/vhost/vdpa.c                     |   29 +-
 drivers/vhost/vhost.c                    |   23 +-
 drivers/vhost/vsock.c                    |   16 +
 drivers/virtio/virtio.c                  |    9 +
 drivers/virtio/virtio_balloon.c          |    2 +
 drivers/virtio/virtio_mem.c              |    2 +
 drivers/virtio/virtio_mmio.c             |   26 +-
 drivers/virtio/virtio_pci_common.c       |   10 +-
 drivers/virtio/virtio_ring.c             |   77 ++-
 drivers/virtio/virtio_rtc_driver.c       |   28 +-
 include/linux/virtio.h                   |    2 +
 include/uapi/linux/virtio_can.h          |   78 +++
 include/uapi/linux/virtio_console.h      |    2 +-
 kernel/vhost_task.c                      |    1 -
 tools/virtio/linux/dma-mapping.h         |    2 +
 tools/virtio/linux/err.h                 |    1 +
 tools/virtio/linux/kernel.h              |    6 +
 tools/virtio/vringh_test.c               |    5 +
 35 files changed, 1690 insertions(+), 184 deletions(-)
 create mode 100644 drivers/net/can/virtio_can.c
 create mode 100644 include/uapi/linux/virtio_can.h