netdev - [GIT PULL v2] virtio, vhost: features, fixes

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Message-ID: <20250801091318-mutt-send-email-mst@kernel.org>
Date: Fri, 1 Aug 2025 09:13:18 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	alok.a.tiwari@...cle.com, anders.roxell@...aro.org,
	dtatulea@...dia.com, eperezma@...hat.com, eric.auger@...hat.com,
	jasowang@...hat.com, jonah.palmer@...cle.com, kraxel@...hat.com,
	leiyang@...hat.com, linux@...blig.org, lulu@...hat.com,
	michael.christie@...cle.com, mst@...hat.com, parav@...dia.com,
	si-wei.liu@...cle.com, stable@...r.kernel.org,
	viresh.kumar@...aro.org, wangyuli@...ontech.com, will@...nel.org,
	wquan@...hat.com, xiaopei01@...inos.cn
Subject: [GIT PULL v2] virtio, vhost: features, fixes

The following changes since commit 347e9f5043c89695b01e66b3ed111755afcf1911:

  Linux 6.16-rc6 (2025-07-13 14:25:58 -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 6693731487a8145a9b039bc983d77edc47693855:

  vsock/virtio: Allocate nonlinear SKBs for handling large transmit buffers (2025-08-01 09:11:09 -0400)

Changes from v1:
	drop commits that I put in there by mistake. Sorry!

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

vhost can now support legacy threading
	if enabled in Kconfig
vsock memory allocation strategies for
	large buffers have been improved,
	reducing pressure on kmalloc
vhost now supports the in-order feature
	guest bits missed the merge window

fixes, cleanups all over the place

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

----------------------------------------------------------------
Alok Tiwari (4):
      virtio: Fix typo in register_virtio_device() doc comment
      vhost-scsi: Fix typos and formatting in comments and logs
      vhost: Fix typos
      vhost-scsi: Fix check for inline_sg_cnt exceeding preallocated limit

Anders Roxell (1):
      vdpa: Fix IDR memory leak in VDUSE module exit

Cindy Lu (1):
      vhost: Reintroduce kthread API and add mode selection

Dr. David Alan Gilbert (2):
      vhost: vringh: Remove unused iotlb functions
      vhost: vringh: Remove unused functions

Dragos Tatulea (2):
      vdpa/mlx5: Fix needs_teardown flag calculation
      vdpa/mlx5: Fix release of uninitialized resources on error path

Gerd Hoffmann (1):
      drm/virtio: implement virtio_gpu_shutdown

Jason Wang (3):
      vhost: fail early when __vhost_add_used() fails
      vhost: basic in order support
      vhost_net: basic in_order support

Michael S. Tsirkin (2):
      virtio: fix comments, readability
      virtio: document ENOSPC

Mike Christie (1):
      vhost-scsi: Fix log flooding with target does not exist errors

Pei Xiao (1):
      vhost: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

Viresh Kumar (2):
      virtio-mmio: Remove virtqueue list from mmio device
      virtio-vdpa: Remove virtqueue list

WangYuli (1):
      virtio: virtio_dma_buf: fix missing parameter documentation

Will Deacon (9):
      vhost/vsock: Avoid allocating arbitrarily-sized SKBs
      vsock/virtio: Validate length in packet header before skb_put()
      vsock/virtio: Move length check to callers of virtio_vsock_skb_rx_put()
      vsock/virtio: Resize receive buffers so that each SKB fits in a 4K page
      vsock/virtio: Rename virtio_vsock_alloc_skb()
      vsock/virtio: Move SKB allocation lower-bound check to callers
      vhost/vsock: Allocate nonlinear SKBs for handling large receive buffers
      vsock/virtio: Rename virtio_vsock_skb_rx_put()
      vsock/virtio: Allocate nonlinear SKBs for handling large transmit buffers

 drivers/gpu/drm/virtio/virtgpu_drv.c    |   8 +-
 drivers/vdpa/mlx5/core/mr.c             |   3 +
 drivers/vdpa/mlx5/net/mlx5_vnet.c       |  12 +-
 drivers/vdpa/vdpa_user/vduse_dev.c      |   1 +
 drivers/vhost/Kconfig                   |  18 ++
 drivers/vhost/net.c                     |  88 +++++---
 drivers/vhost/scsi.c                    |  24 +-
 drivers/vhost/vhost.c                   | 377 ++++++++++++++++++++++++++++----
 drivers/vhost/vhost.h                   |  30 ++-
 drivers/vhost/vringh.c                  | 118 ----------
 drivers/vhost/vsock.c                   |  15 +-
 drivers/virtio/virtio.c                 |   7 +-
 drivers/virtio/virtio_dma_buf.c         |   2 +
 drivers/virtio/virtio_mmio.c            |  52 +----
 drivers/virtio/virtio_ring.c            |   4 +
 drivers/virtio/virtio_vdpa.c            |  44 +---
 include/linux/virtio.h                  |   2 +-
 include/linux/virtio_vsock.h            |  46 +++-
 include/linux/vringh.h                  |  12 -
 include/uapi/linux/vhost.h              |  29 +++
 kernel/vhost_task.c                     |   2 +-
 net/vmw_vsock/virtio_transport.c        |  20 +-
 net/vmw_vsock/virtio_transport_common.c |   3 +-
 23 files changed, 575 insertions(+), 342 deletions(-)