virtio and vhost vsock driver · Maintained

Maintainers

• M Stefan Hajnoczi <stefanha@redhat.com>
• M Stefano Garzarella <sgarzare@redhat.com>

Paths

• F drivers/vhost/vsock.c
• F include/linux/virtio_vsock.h
• F include/net/netns/vsock.h
• F include/uapi/linux/virtio_vsock.h
• F net/vmw_vsock/virtio_transport.c
• F net/vmw_vsock/virtio_transport_common.c

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v2 0/2] vsock/virtio: fix worker access after virtqueue teardown
  2026-07-29 19:17 · 2 replies in 7d · Weiming Shi <hidden>
• DORMANTno replies [PATCH v2 2/2] vsock/virtio: avoid refilling the RX queue after teardown
  2026-07-29 18:59 · 0 replies in 7d · Weiming Shi <hidden>
• HOTtoday [PATCH v2 1/2] vsock/virtio: read virtqueues under worker locks
  2026-07-29 18:59 · 0 replies in 7d · Weiming Shi <hidden>
• WARM1d [PATCH] vsock/virtio: prevent workers from using deleted virtqueues
  2026-07-27 03:58 · 0 replies in 7d · Weiming Shi <hidden>
• WARM1d [PATCH v6 0/5] vhost/vsock: add support for VHOST_RESET_OWNER and CPR migration
  2026-07-24 11:46 · 5 replies in 7d · Andrey Drobyshev <hidden>

Active reviewers (last 30 days)

• Stefano Garzarella <sgarzare@redhat.com>
  11 attestations (5 Reviewed-by, 6 Suggested-by) · last on 2026-07-29
• Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
  9 attestations (9 Reviewed-by) · last on 2026-07-24
• Xiang Mei <hidden>
  5 attestations (5 Reported-by) · last on 2026-07-29
• Michael S. Tsirkin <mst@redhat.com>
  2 attestations (1 Acked-by, 1 Suggested-by) · last on 2026-07-24
• Brien Oberstein <hidden>
  2 attestations (1 Reported-by, 1 Tested-by) · last on 2026-07-08
• Maher Azzouzi <hidden>
  1 attestation (1 Reported-by) · last on 2026-07-16
• Arseniy Krasnov <hidden>
  1 attestation (1 Acked-by) · last on 2026-07-16

Recent patches

Most-recent 30 patches in this subsystem on netdev (capped at 30), ordered by date desc.

• HOTtoday [PATCH v3 2/2] vsock/virtio: avoid refilling the RX queue after teardown
  2026-07-29 · Weiming Shi <hidden>
• HOTtoday [PATCH v3 1/2] vsock/virtio: read virtqueues under worker locks
  2026-07-29 · Weiming Shi <hidden>
• DORMANTno replies [PATCH v2 2/2] vsock/virtio: avoid refilling the RX queue after teardown
  2026-07-29 · Weiming Shi <hidden>
• HOTtoday [PATCH v2 1/2] vsock/virtio: read virtqueues under worker locks
  2026-07-29 · Weiming Shi <hidden>
• WARM1d [PATCH] vsock/virtio: prevent workers from using deleted virtqueues
  2026-07-27 · Weiming Shi <hidden>
• WARM1d [PATCH v6 5/5] vhost/vsock: add VHOST_RESET_OWNER ioctl
  2026-07-24 · Andrey Drobyshev <hidden>
• WARM1d [PATCH v6 4/5] vhost: synchronize with RCU readers when freeing workers
  2026-07-24 · Andrey Drobyshev <hidden>
• WARM1d REVIEWED: 3 (3M) [PATCH v6 3/5] vhost/vsock: re-scan TX virtqueue on device start
  2026-07-24 · Andrey Drobyshev <hidden>
• WARM1d REVIEWED: 3 (3M) [PATCH v6 2/5] vhost/vsock: suppress EHOSTUNREACH fast-fail during CPR pause
  2026-07-24 · Andrey Drobyshev <hidden>
• WARM1d REVIEWED: 3 (3M) [PATCH v6 1/5] vhost/vsock: split out vhost_vsock_drop_backends helper
  2026-07-24 · Andrey Drobyshev <hidden>
• COOLING7d [PATCH v5 5/5] vhost/vsock: add VHOST_RESET_OWNER ioctl
  2026-07-20 · Andrey Drobyshev <hidden>
• COOLING7d REVIEWED: 1 (1M) [PATCH v5 3/5] vhost/vsock: re-scan TX virtqueue on device start
  2026-07-20 · Andrey Drobyshev <hidden>
• COOLING7d REVIEWED: 1 (1M) [PATCH v5 2/5] vhost/vsock: suppress EHOSTUNREACH fast-fail during CPR pause
  2026-07-20 · Andrey Drobyshev <hidden>
• COOLING7d REVIEWED: 3 (3M) [PATCH v5 1/5] vhost/vsock: split out vhost_vsock_drop_backends helper
  2026-07-20 · Andrey Drobyshev <hidden>
• COOLING11d REVIEWED: 10 (9M) [PATCH 6.12] vsock/virtio: fix zerocopy completion for multi-skb sends
  2026-07-16 · Alexander Martyniuk <hidden>
• COOLING10d [PATCH v4 5/5] vhost/vsock: add VHOST_RESET_OWNER ioctl
  2026-07-14 · Andrey Drobyshev <hidden>
• COOLING10d REVIEWED: 1 (1M) [PATCH v4 3/5] vhost/vsock: re-scan TX virtqueue on device start
  2026-07-14 · Andrey Drobyshev <hidden>
• COOLING10d REVIEWED: 1 (1M) [PATCH v4 2/5] vhost/vsock: suppress EHOSTUNREACH fast-fail during CPR pause
  2026-07-14 · Andrey Drobyshev <hidden>
• COOLING10d REVIEWED: 3 (3M) [PATCH v4 1/5] vhost/vsock: split out vhost_vsock_drop_backends helper
  2026-07-14 · Andrey Drobyshev <hidden>
• COOLING9d REVIEWED: 1 (0M) [PATCH net v2 1/2] vsock/virtio: collapse receive queue under memory pressure
  2026-07-08 · Stefano Garzarella <sgarzare@redhat.com>
• COLD30d [PATCH net-next v4] vsock/virtio: rewrite MSG_ZEROCOPY flag handling
  2026-06-28 · Arseniy Krasnov <hidden>
• COLD23d REVIEWED: 1 (0M) [PATCH net 1/2] vsock/virtio: collapse receive queue under memory pressure
  2026-06-26 · Stefano Garzarella <sgarzare@redhat.com>
• COLD30d [PATCH v3 4/4] vhost/vsock: add VHOST_RESET_OWNER ioctl
  2026-06-25 · Andrey Drobyshev <hidden>
• COLD30d REVIEWED: 1 (1M) [PATCH v3 3/4] vhost/vsock: re-scan TX virtqueue on device start
  2026-06-25 · Andrey Drobyshev <hidden>
• COLD30d REVIEWED: 1 (1M) [PATCH v3 2/4] vhost/vsock: suppress EHOSTUNREACH fast-fail during CPR pause
  2026-06-25 · Andrey Drobyshev <hidden>
• COLD30d REVIEWED: 3 (3M) [PATCH v3 1/4] vhost/vsock: split out vhost_vsock_drop_backends helper
  2026-06-25 · Andrey Drobyshev <hidden>
• COLD36d [PATCH net-next v3] vsock/virtio: rewrite MSG_ZEROCOPY flag handling
  2026-06-23 · Arseniy Krasnov <hidden>
• COLD35d REVIEWED: 2 (2M) [PATCH net v3 2/2] vsock/virtio: restore msg_iter on transmission failure
  2026-06-22 · Octavian Purdila <hidden>
• COLD35d [PATCH v2 4/4] vhost/vsock: add VHOST_RESET_OWNER ioctl
  2026-06-22 · Andrey Drobyshev <hidden>
• COLD35d [PATCH v2 3/4] vhost/vsock: re-scan TX virtqueue on device start
  2026-06-22 · Andrey Drobyshev <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE163d REVIEWED: 2 (2M) [PATCH net-next v16 02/12] virtio: set skb owner of virtio_transport_reset_no_sock() reply
  2026-01-21 · Bobby Eshleman <hidden> · 1 Reviewed-by
• STALE163d REVIEWED: 2 (2M) [PATCH net-next v16 01/12] vsock: add netns to vsock core
  2026-01-21 · Bobby Eshleman <hidden> · 1 Reviewed-by
• STALE163d REVIEWED: 2 (2M) [PATCH net-next v16 03/12] vsock: add netns support to virtio transports
  2026-01-22 · Bobby Eshleman <hidden> · 1 Reviewed-by
• STALE148d REVIEWED: 1 (0M) [PATCH v3] vsock: add G2H fallback for CIDs not owned by H2G transport
  2026-03-03 · Alexander Graf <graf@amazon.com> · 1 Tested-by
• STALE140d REVIEWED: 1 (0M) [PATCH net-next v4] vsock: add G2H fallback for CIDs not owned by H2G transport
  2026-03-04 · Alexander Graf <graf@amazon.com> · 1 Tested-by
• STALE113d REVIEWED: 3 (2M) [PATCH net v2 1/3] vsock/virtio: fix MSG_PEEK ignoring skb offset when calculating bytes to copy
  2026-04-07 · Luigi Leonardi <hidden> · 1 Reviewed-by, 1 Acked-by
• STALE106d REVIEWED: 3 (2M) [PATCH net v3 1/3] vsock/virtio: fix MSG_PEEK ignoring skb offset when calculating bytes to copy
  2026-04-14 · Luigi Leonardi <hidden> · 1 Reviewed-by, 1 Acked-by
• STALE104d REVIEWED: 3 (2M) [PATCH net v4 1/3] vsock/virtio: fix MSG_PEEK ignoring skb offset when calculating bytes to copy
  2026-04-15 · Luigi Leonardi <hidden> · 1 Reviewed-by, 1 Acked-by
• STALE93d REVIEWED: 1 (0M) [PATCH] vsock/virtio: fix memory leak in virtio_transport_recv_listen()
  2026-04-24 · Deepanshu Kartikey <hidden> · 1 Tested-by
• COLD35d REVIEWED: 2 (2M) [PATCH net v3 2/2] vsock/virtio: restore msg_iter on transmission failure
  2026-06-22 · Octavian Purdila <hidden> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE70d [PATCH net v4 1/2] vsock/virtio: reset connection on receiving queue overflow
  2026-05-18 · Stefano Garzarella <sgarzare@redhat.com>
• STALE70d [PATCH net v4 2/2] vsock/virtio: fix skb overhead accounting to preserve full buf_alloc
  2026-05-18 · Stefano Garzarella <sgarzare@redhat.com>
• COLD35d [PATCH v2 3/4] vhost/vsock: re-scan TX virtqueue on device start
  2026-06-22 · Andrey Drobyshev <hidden>