[GIT PULL] vhost,virtio,vdpa: bugfixes

[Michael S. Tsirkin]

The following changes since commit 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4:

  Linux 7.4-rc1 (2026-11-01 13:26:31 -0800)

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 1a577f9402c1780cc1e663f48d5dd54c02051b09:

  virtio_pci: don't take the MSI mutex under cpu_hotplug_lock (2026-11-03 07:32:14 -0500)

----------------------------------------------------------------
vhost,virtio,vdpa: bugfixes

Just a bunch of fixes all over the place.

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

----------------------------------------------------------------
Dudu Lu (1):
      vhost/vringh: Fix IOTLB permission in putu16_iotlb()

Eugenio Pérez (1):
      MAINTAINERS: add missing virtio/vdpa/vduse/vhost headers

Fang Xieyan (4):
      vringh: bound top-level re-entry into indirect tables
      vringh: add regression test for cyclic indirect descriptor
      vringh: reject empty / undersized indirect descriptor tables
      vhost: fix used ring index wrap in vhost_add_used_n_in_order

Jia Jia (5):
      vhost-scsi: preserve event ordering
      vhost-scsi: do not relock event vq mutex on send_evt fallback
      vduse: avoid infinite loop when no affinity CPU is online
      vhost-scsi: do not count PI bytes in the data length
      vhost-scsi: fix page reference leak in misaligned I/O fallback

Karl Mehltretter (1):
      virtio-spi: Fix virtio_spi_config kernel-doc

Li RongQing (1):
      virtio_ring: reset IN_ORDER state in virtqueue_init()

Linfeng Sun (8):
      vdpa_sim: serialize IOTLB updates with dataplane access
      vdpa: invalidate DMA mappings before releasing memory
      vhost: fix dirty logging for in-order used ring entries
      vhost: reject invalid IOTLB update permissions
      vhost-scsi: validate event queue descriptor direction
      vhost-scsi: reject delayed virtqueue setup
      vhost: reject backend enable without a kick file
      vhost-vdpa: initialize state before publishing cdev

Maoxia (1):
      virtio_pci: add missing newline to the pmcsr error message

Mingbing Zhai (1):
      virtio_balloon: initialize wakeup_lock before virtqueues are set up

Sergii Ushakov (1):
      virtio-blk: clamp max_segments to virtqueue ring size

Shubham Antil (1):
      vhost-scsi: zero misaligned I/O bounce pages

Tal Zussman (2):
      vhost-vdpa: fix pinned page leak in vhost_vdpa_pa_map() error path
      vhost-vdpa: unpin mappings by range

Thorsten Blum (1):
      hwrng: virtio - prevent use-after-free after a failed restore

Wei-Shuo Chen (1):
      virtio: use consistent virtqueue terminology

Xiang Mei (1):
      vdpa: fix double free of the reply skb in vdpa_nl_cmd_dev_config_get_doit()

Yu Zhang (1):
      vhost-vdpa: drop the parent's vq callback before the call fd is released

Yuho Choi (3):
      virtio_blk: Reset device on probe error paths after DRIVER_OK
      iommu/virtio: Reset device before deleting virtqueues on probe failure
      vdpa/snet: Don't discard the DPU error in snet_send_ctrl_msg()

Zenghui Yu (Huawei) (1):
      virtio_pci: don't take the MSI mutex under cpu_hotplug_lock

chenglong.ma (1):
      vduse: fix VA/PA confusion in the coherent page fault path

sungbyeongchan (1):
      virtio_ring: use shadow flags when detaching split descriptors

zhang jiao (1):
      virtio_ring: Initialize id field in packed indirect descriptors

 MAINTAINERS                          |   4 ++
 drivers/block/virtio_blk.c           |  45 +++++++++++++-
 drivers/char/hw_random/virtio-rng.c  |   7 +++
 drivers/iommu/virtio-iommu.c         |   6 +-
 drivers/vdpa/mlx5/net/mlx5_vnet.c    |  10 ++-
 drivers/vdpa/solidrun/snet_ctrl.c    |   3 +-
 drivers/vdpa/vdpa.c                  |   7 ++-
 drivers/vdpa/vdpa_sim/vdpa_sim.c     |   7 +++
 drivers/vdpa/vdpa_user/iova_domain.c |  11 +++-
 drivers/vdpa/vdpa_user/vduse_dev.c   |  15 +++--
 drivers/vhost/scsi.c                 |  68 +++++++++++++++++----
 drivers/vhost/test.c                 |   4 ++
 drivers/vhost/vdpa.c                 | 115 ++++++++++++++++++++++++-----------
 drivers/vhost/vhost.c                |  36 ++++++++---
 drivers/vhost/vringh.c               |  29 ++++-----
 drivers/virtio/virtio_balloon.c      |   3 +-
 drivers/virtio/virtio_mmio.c         |   2 +-
 drivers/virtio/virtio_pci_common.c   |  12 +++-
 drivers/virtio/virtio_pci_common.h   |   5 +-
 drivers/virtio/virtio_ring.c         |  13 +++-
 include/uapi/linux/virtio_spi.h      |   2 +-
 tools/virtio/vringh_test.c           |  41 +++++++++++++
 22 files changed, 347 insertions(+), 98 deletions(-)