virtio core · Maintained

Maintainers

• M "Michael S. Tsirkin" <mst@redhat.com>
• M Jason Wang <jasowangio@gmail.com>
• M Eugenio Pérez <eperezma@redhat.com>
• R Xuan Zhuo <xuanzhuo@linux.alibaba.com>

Paths

• F Documentation/ABI/testing/sysfs-bus-vdpa
• F Documentation/ABI/testing/sysfs-class-vduse
• F Documentation/devicetree/bindings/virtio/
• F Documentation/driver-api/virtio/
• F drivers/block/virtio_blk.c
• F drivers/crypto/virtio/
• F drivers/vdpa/
• F drivers/virtio/
• F include/linux/vdpa.h
• F include/linux/virtio*.h
• F include/linux/vringh.h
• F include/uapi/linux/virtio_*.h
• F net/vmw_vsock/virtio*
• F tools/virtio/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH] virtio_blk: use synchronous quiesce in virtblk_freeze_priv()
  2026-09-10 16:31 · 0 replies in 7d · Cong Zhang <hidden>
• HOTtoday [PATCH] virtio_ring: reset IN_ORDER state in virtqueue_init()
  2026-09-10 12:39 · 0 replies in 7d · lirongqing <hidden>
• WARM1d [PATCH] tools/virtio: add missing device-id/virtio.h wrapper header
  2026-09-09 09:20 · 0 replies in 7d · Longjun Tang <hidden>
• WARM1d [RFC RESEND 0/3] virtio_net: introduce an RX queue watchdog for stuck detection
  2026-09-08 09:27 · 1 reply in 7d · Longjun Tang <hidden>
• WARM2d [PATCH] vduse: return compat ioctl results directly
  2026-09-08 07:32 · 0 replies in 7d · Linfeng Sun <hidden>
• WARM2d [PATCH v3 0/6] virtio: fix and add callback synchronization hooks
  2026-09-08 05:39 · 1 reply in 7d · Karl Mehltretter <hidden>
• WARM3d [PATCH v2 0/3] virtio: synchronize callbacks during device reset
  2026-09-05 15:21 · 3 replies in 7d · Karl Mehltretter <hidden>
• WARM3d [PATCH v3] virtio-pci: return IRQ_HANDLED after non-zero ISR
  2026-09-04 14:13 · 0 replies in 7d · Andrew Stellman <hidden>
• DORMANTno replies [PATCH] vdpa: fix typos in comments
  2026-09-04 10:44 · 0 replies in 7d · Hemanth Selam <hidden>

Active reviewers (last 30 days)

• Parav Pandit <hidden>
  12 attestations (12 Reviewed-by) · last on 2026-08-31
• Xuan Zhuo <xuanzhuo@linux.alibaba.com>
  12 attestations (12 Reviewed-by) · last on 2026-08-31
• Michael S. Tsirkin <mst@redhat.com>
  7 attestations (7 Suggested-by) · last on 2026-09-05
• Jason Wang <hidden>
  1 attestation (1 Acked-by) · last on 2026-08-31
• Zhu Lingshan <lingshan.zhu@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-08-31
• Stefan Hajnoczi <stefanha@redhat.com>
  1 attestation (1 Reviewed-by) · last on 2026-08-14

Recent patches

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

• HOTtoday [PATCH] virtio_blk: use synchronous quiesce in virtblk_freeze_priv()
  2026-09-10 · Cong Zhang <hidden>
• HOTtoday [PATCH] virtio_ring: reset IN_ORDER state in virtqueue_init()
  2026-09-10 · lirongqing <hidden>
• WARM1d [PATCH] tools/virtio: add missing device-id/virtio.h wrapper header
  2026-09-09 · Longjun Tang <hidden>
• WARM1d [RFC RESEND 1/3] virtio: add virtqueue_get_last_used_idx() helper
  2026-09-08 · Longjun Tang <hidden>
• WARM2d [PATCH] vduse: return compat ioctl results directly
  2026-09-08 · Linfeng Sun <hidden>
• WARM2d [PATCH v3 6/6] virtio_vdpa: implement synchronize_cbs()
  2026-09-08 · Karl Mehltretter <hidden>
• WARM3d [PATCH v2 3/3] virtio: implement synchronize_cbs for remaining transports
  2026-09-05 · Karl Mehltretter <hidden>
• WARM3d [PATCH v2 2/3] virtio_input: stop callbacks before unregistering input device
  2026-09-05 · Karl Mehltretter <hidden>
• WARM3d [PATCH v2 1/3] virtio: synchronize callbacks during device reset
  2026-09-05 · Karl Mehltretter <hidden>
• WARM3d [PATCH v3] virtio-pci: return IRQ_HANDLED after non-zero ISR
  2026-09-04 · Andrew Stellman <hidden>
• DORMANTno replies [PATCH] vdpa: fix typos in comments
  2026-09-04 · Hemanth Selam <hidden>
• COOLING7d [PATCH v2 3/4] virtio-pci: return IRQ_HANDLED after non-zero ISR
  2026-09-03 · Andrew Stellman <hidden>
• COOLING8d [RFC PATCH] virtio: avoid hanging forever in reset
  2026-09-02 · Radu Rendec <radu@rendec.net>
• COOLING5d [PATCH 1/2] virtio_pci: Add a quirk to force DMA Map API for certain legacy devices
  2026-09-01 · <hidden>
• COOLING7d REVIEWED: 4 (3M) [PATCH net-next v23 04/14] virtio: Expose generic device capability operations
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING7d REVIEWED: 4 (3M) [PATCH net-next v23 05/14] virtio: Expose object create and destroy API
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING7d REVIEWED: 4 (3M) [PATCH net-next v23 03/14] virtio: Add config_op for admin commands
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING7d [PATCH net-next v23 02/14] virtio_pci: Fix sleeping under spinlock in admin command path
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING7d REVIEWED: 4 (3M) [PATCH net-next v23 01/14] virtio_pci: Remove supported_caps cache and build assert
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING8d REVIEWED: 2 (1M) [PATCH AUTOSEL 6.18-6.1] vdpa/ifcvf: handle dev_set_name() failure in ifcvf_vdpa_dev_add()
  2026-08-31 · Sasha Levin <sashal@kernel.org>
• COOLING8d [PATCH AUTOSEL 6.18-6.12] vdpa/octeon_ep: Use 4 bytes for mailbox signature
  2026-08-31 · Sasha Levin <sashal@kernel.org>
• COOLING10d REVIEWED: 4 (3M) [PATCH net-next v22 05/14] virtio: Expose object create and destroy API
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING10d REVIEWED: 4 (3M) [PATCH net-next v22 04/14] virtio: Expose generic device capability operations
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING10d REVIEWED: 4 (3M) [PATCH net-next v22 03/14] virtio: Add config_op for admin commands
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING10d [PATCH net-next v22 02/14] virtio_pci: Fix sleeping under spinlock in admin command path
  2026-08-31 · Shahar Shitrit <hidden>
• COOLING10d REVIEWED: 4 (3M) [PATCH net-next v22 01/14] virtio_pci: Remove supported_caps cache and build assert
  2026-08-31 · Shahar Shitrit <hidden>
• DORMANTno replies [PATCH] vduse: validate virtqueue alignment
  2026-08-30 · Jia Jia <hidden>
• DORMANTno replies [PATCH] vduse: do not take dev->rwsem in the virtqueue kick path
  2026-08-29 · Nikhil <hidden>
• DORMANTno replies [RFC PATCH 1/3] virtio: add virtqueue_get_last_used_idx() helper
  2026-08-28 · Longjun Tang <hidden>
• COOLING7d [PATCH v1 01/11] virtio_blk: add inline encryption support
  2026-08-27 · Linlin Zhang <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.

• DORMANTno replies REVIEWED: 1 (0M) [PATCH] virtio_pci: fix vq info pointer lookup via wrong index
  2026-03-15 · Ammar Faizi <hidden> · 1 Tested-by
• STALE126d REVIEWED: 1 (1M) [PATCH v3] virtio: rtc: tear down old virtqueues before restore
  2026-04-25 · physicalmtea <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (1M) [PATCH v4] virtio: rtc: tear down old virtqueues before restore
  2026-05-07 · Jia Jia <hidden> · 1 Reviewed-by
• COLD45d REVIEWED: 1 (0M) [PATCH] vhost-vdpa: Expose ASID group change after DRIVER_OK via backend feature
  2026-05-11 · Dragos Tatulea <dtatulea@nvidia.com> · 1 Reviewed-by
• COLD47d REVIEWED: 5 (5M) [PATCH v2] vdpa_sim: fix cleanup after worker creation failure
  2026-06-20 · Linfeng Sun <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (1M) [PATCH v3 1/2] tools/virtio: Add missing compat definitions for vhost_net_test
  2026-07-02 · Yichong Chen <hidden> · 1 Tested-by
• DORMANTno replies REVIEWED: 5 (5M) [PATCH v2] vdpa/pds: check virtqueue notify mapping
  2026-08-06 · Xiong Weimin <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 4 (4M) [PATCH v2] virtio_blk: add use_irq_affinity module parameter
  2026-08-14 · Liu, Changcheng <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.

• STALE198d [PATCH 2/4] vdpa/octeon_ep: Use 4 bytes for mailbox signature
  2026-02-24 · Srujana Challa <schalla@marvell.com>
• STALE198d [PATCH 3/4] vdpa/octeon_ep: Add vDPA device event handling for firmware notifications
  2026-02-24 · Srujana Challa <schalla@marvell.com>
• STALE198d [PATCH 4/4] vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
  2026-02-24 · Srujana Challa <schalla@marvell.com>
• DORMANTno replies [PATCH 1/4] vdpa/octeon_ep: Fix PF->VF mailbox data address calculation
  2026-02-24 · Srujana Challa <schalla@marvell.com>
• STALE185d [RFC PATCH 2/7] virtio: use pr_debug_ratelimited to avoid flooding
  2026-03-06 · Jim Cromie <jim.cromie@gmail.com>
• DORMANTno replies [PATCH v2] virtio: add num_vf callback to virtio_bus
  2026-03-10 · Yui Washizu <hidden>
• STALE104d [PATCH v3 1/3] vduse: store control device pointer
  2026-03-10 · Eugenio Pérez <eperezma@redhat.com>
• STALE182d [PATCH v2 3/8] dma-mapping: Clarify valid conditions for CPU cache line overlap
  2026-03-11 · Leon Romanovsky <leon@kernel.org>
• STALE180d [PATCH 1/2] virtio-mmio: Replace sizeof x with sizeof(x)
  2026-03-14 · Daniel Palmer <daniel@thingy.jp>
• DORMANTno replies [PATCH 5/5] virtio: document the map API in the driver writing guide
  2026-03-15 · Kit Dallege <hidden>