hyper-v/azure core and drivers · Supported

Maintainers

• M "K. Y. Srinivasan" <kys@microsoft.com>
• M Haiyang Zhang <haiyangz@microsoft.com>
• M Wei Liu <wei.liu@kernel.org>
• M Dexuan Cui <decui@microsoft.com>
• M Long Li <longli@microsoft.com>

Paths

• F Documentation/ABI/stable/sysfs-bus-vmbus
• F Documentation/ABI/testing/debugfs-hyperv
• F Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml
• F Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst
• F Documentation/virt/hyperv
• F arch/arm64/hyperv
• F arch/arm64/include/asm/mshyperv.h
• F arch/x86/hyperv
• F arch/x86/include/asm/mshyperv.h
• F arch/x86/include/asm/trace/hyperv.h
• F arch/x86/kernel/cpu/mshyperv.c
• F drivers/clocksource/hyperv_timer.c
• F drivers/hid/hid-hyperv.c
• F drivers/hv/
• F drivers/input/serio/hyperv-keyboard.c
• F drivers/iommu/hyperv/
• F drivers/net/ethernet/microsoft/
• F drivers/net/hyperv/
• F drivers/pci/controller/pci-hyperv-intf.c
• F drivers/pci/controller/pci-hyperv.c
• F drivers/scsi/storvsc_drv.c
• F drivers/uio/uio_hv_generic.c
• F include/asm-generic/mshyperv.h
• F include/clocksource/hyperv_timer.h
• F include/hyperv/hvgdk.h
• F include/hyperv/hvgdk_ext.h
• F include/hyperv/hvgdk_mini.h
• F include/hyperv/hvhdk.h
• F include/hyperv/hvhdk_mini.h
• F include/linux/hyperv.h
• F include/net/mana
• F include/uapi/linux/hyperv.h
• F net/vmw_vsock/hyperv_transport.c
• F tools/hv/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH net-next v13 0/2] net: mana: add ethtool private flag for full-page RX buffers
  2026-07-29 06:34 · 2 replies in 7d · Dipayaan Roy <hidden>
• HOTtoday [PATCH] x86/hyperv: reserve more vectors
  2026-07-30 00:50 · 0 replies in 7d · wei.liu@kernel.org
• DORMANTno replies [PATCH net-next] net: mana: Extend RX CQE coalescing up to 8 packets
  2026-07-29 22:53 · 0 replies in 7d · Haiyang Zhang <hidden>
• HOTtoday [PATCH 0/3] x86/irq: Fix lost interrupts on CPU hot-unplug for Hyper-V PCI/MSI
  2026-07-28 13:51 · 2 replies in 7d · Naman Jain <hidden>
• WARM1d [PATCH] Drivers: hv: Use meaningful errnos for hypercall status codes
  2026-07-27 21:11 · 0 replies in 7d · Hardik Garg <hidden>
• WARM3d [PATCH V2 1/1] x86/VMBus: Confidential VMBus for dynamic DMA transfers
  2026-07-27 15:27 · 0 replies in 7d · Tianyu Lan <hidden>
• HOTtoday [PATCH net v2] net: mana: Return error code from mana_create_rxq()
  2026-07-27 11:38 · 0 replies in 7d · Aditya Garg <hidden>
• COOLING5d [PATCH RFC 0/2] Support Hyper-V vPCI controller reset method
  2026-07-24 23:08 · 1 reply in 7d · wei.liu@kernel.org
• COOLING5d IN LINUX-NEXT [PATCH v11 0/8] mm/hmm: Add mmap lock-drop support for userfaultfd-backed mappings
  2026-07-23 17:37 · 1 reply in 7d · Stanislav Kinsburskii <hidden>
• COOLING6d [PATCH v2] scsi: storvsc: Support manual scans for all Hyper-V targets
  2026-07-23 16:37 · 0 replies in 7d · Laurence Oberman <hidden>

Active reviewers (last 30 days)

• Haiyang Zhang <haiyangz@microsoft.com>
  11 attestations (11 Reviewed-by) · last on 2026-07-29
• Michael Kelley <hidden>
  7 attestations (4 Reviewed-by, 3 Tested-by) · last on 2026-07-21
• Wei Liu <wei.liu@kernel.org>
  6 attestations (3 Acked-by, 3 Co-developed-by) · last on 2026-07-18
• Jason Gunthorpe <jgg@nvidia.com>
  4 attestations (4 Reviewed-by) · last on 2026-07-23
• Jacob Keller <jacob.e.keller@intel.com>
  3 attestations (3 Reviewed-by) · last on 2026-07-29
• Thomas Gleixner <tglx@kernel.org>
  2 attestations (2 Suggested-by) · last on 2026-07-28
• Souradeep Chakrabarti <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-18
• Easwar Hariharan <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-07-02
• Yu Zhang <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-07-02
• David Woodhouse <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-01

Recent patches

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

• HOTtoday [PATCH] x86/hyperv: reserve more vectors
  2026-07-30 · wei.liu@kernel.org
• DORMANTno replies [PATCH net-next] net: mana: Extend RX CQE coalescing up to 8 packets
  2026-07-29 · Haiyang Zhang <hidden>
• HOTtoday REVIEWED: 1 (1M) [PATCH net-next v13 1/2] net: mana: refactor mana_get_strings() and mana_get_sset_count() to use switch
  2026-07-29 · Dipayaan Roy <hidden>
• HOTtoday REVIEWED: 2 (2M) [PATCH net-next v13 2/2] net: mana: force full-page RX buffers via ethtool private flag
  2026-07-29 · Dipayaan Roy <hidden>
• HOTtoday [PATCH 3/3] x86/irq, iommu/amd, PCI: Drop redundant irq_retrigger inits
  2026-07-28 · Naman Jain <hidden>
• HOTtoday [PATCH 1/3] PCI: hv: Set irq_retrigger callback for the Hyper-V PCI MSI irqchip
  2026-07-28 · Naman Jain <hidden>
• WARM1d [PATCH] Drivers: hv: Use meaningful errnos for hypercall status codes
  2026-07-27 · Hardik Garg <hidden>
• WARM3d [PATCH V2 1/1] x86/VMBus: Confidential VMBus for dynamic DMA transfers
  2026-07-27 · Tianyu Lan <hidden>
• HOTtoday [PATCH net v2] net: mana: Return error code from mana_create_rxq()
  2026-07-27 · Aditya Garg <hidden>
• COOLING5d [PATCH RFC 2/2] PCI: hv: Add vPCI device reset support
  2026-07-24 · wei.liu@kernel.org
• COOLING5d IN LINUX-NEXT: 6 (6M) [PATCH v11 4/8] mshv: Use hmm_range_fault_unlocked_timeout() for region faults
  2026-07-23 · Stanislav Kinsburskii <hidden>
• COOLING6d [PATCH v2] scsi: storvsc: Support manual scans for all Hyper-V targets
  2026-07-23 · Laurence Oberman <hidden>
• COOLING7d [PATCH] scsi: storvsc: Support manual scans for all Hyper-V targets
  2026-07-23 · Laurence Oberman <hidden>
• COOLING7d REVIEWED: 6 (6M) [PATCH v10 4/8] mshv: Use hmm_range_fault_unlocked_timeout() for region faults
  2026-07-22 · Stanislav Kinsburskii <hidden>
• WARM1d [PATCH net-next v2 7/7] net: mana: add dynamic HWC queue depth with reinit path
  2026-07-21 · Long Li <longli@microsoft.com>
• WARM1d [PATCH net-next v2 4/7] net: mana: validate hardware-supplied values in the HWC RX path
  2026-07-21 · Long Li <longli@microsoft.com>
• WARM1d [PATCH net-next v2 5/7] net: mana: fix HWC teardown safety with setup_active flag and destroy ordering
  2026-07-21 · Long Li <longli@microsoft.com>
• WARM1d [PATCH net-next v2 6/7] net: mana: support concurrent HWC requests with proper synchronization
  2026-07-21 · Long Li <longli@microsoft.com>
• WARM1d [PATCH net-next v2 3/7] net: mana: free HWC comp_buf after destroying the EQ
  2026-07-21 · Long Li <longli@microsoft.com>
• WARM1d [PATCH net-next v2 2/7] net: mana: fix HWC RQ/SQ buffer size swap
  2026-07-21 · Long Li <longli@microsoft.com>
• WARM1d [PATCH net-next v2 1/7] net: mana: RCU-protect gc->cq_table lookups against concurrent CQ destroy
  2026-07-21 · Long Li <longli@microsoft.com>
• COOLING6d [PATCH v3 3/6] arm64: hyperv: Add per-CPU RSI host call infrastructure for CCA Realms
  2026-07-21 · Kameron Carr <hidden>
• COOLING6d [PATCH v3 4/6] Drivers: hv: Mark shared memory as decrypted for CCA Realms
  2026-07-21 · Kameron Carr <hidden>
• COOLING5d [RFC PATCH 1/2] Drivers: hv: vmbus: add vmbus_establish_gpadl_caller_decrypted()
  2026-07-21 · Kameron Carr <hidden>
• COOLING5d [RFC PATCH 2/2] hv_netvsc: back GPADL buffers with kmalloc + decrypt + vmap
  2026-07-21 · Kameron Carr <hidden>
• COOLING7d REVIEWED: 1 (0M) [PATCH v2 2/2] Drivers: hv: vmbus: Remove vmbus_irq_initialized
  2026-07-21 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• COOLING7d [PATCH v2 1/2] Drivers: hv: vmbus: Replace lockdep_hardirq_threaded() with lockdep annotation
  2026-07-21 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• WARM3d REVIEWED: 1 (1M) [PATCH net] net: mana: Return error code from mana_create_rxq()
  2026-07-18 · Aditya Garg <hidden>
• WARM2d [PATCH V4 9/9] mshv: Disable movable regions upfront if device passthru
  2026-07-18 · Mukesh R <hidden>
• WARM2d [PATCH V4 8/9] mshv: Populate mmio mappings for PCI passthru
  2026-07-18 · Mukesh R <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.

• STALE162d REVIEWED: 2 (2M) [PATCH net-next v16 01/12] vsock: add netns to vsock core
  2026-01-21 · Bobby Eshleman <hidden> · 1 Reviewed-by
• STALE187d REVIEWED: 2 (2M) [PATCH net-next v2 4/9] net: mana: convert to use .get_rx_ring_count
  2026-01-22 · Breno Leitao <leitao@debian.org> · 1 Reviewed-by
• STALE176d REVIEWED: 1 (0M) [PATCH v6 7/7] mshv: Add debugfs to view hypervisor statistics
  2026-01-28 · Nuno Das Neves <hidden> · 1 Reviewed-by
• STALE161d REVIEWED: 1 (0M) [PATCH v5] mshv: Add support for integrated scheduler
  2026-02-18 · Stanislav Kinsburskii <hidden> · 1 Reviewed-by
• STALE157d REVIEWED: 3 (0M) [PATCH AUTOSEL 6.19] mshv: Ignore second stats page map result failure
  2026-02-23 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by, 1 Acked-by
• STALE157d REVIEWED: 4 (0M) [PATCH AUTOSEL 6.19] Drivers: hv: vmbus: Use kthread for vmbus interrupts on PREEMPT_RT
  2026-02-23 · Sasha Levin <sashal@kernel.org> · 2 Reviewed-by, 2 Tested-by
• DORMANTno replies REVIEWED: 4 (0M) [PATCH 6.18, 6.12] Drivers: hv: vmbus: Use kthread for vmbus interrupts on PREEMPT_RT
  2026-02-23 · Jan Kiszka <jan.kiszka@siemens.com> · 2 Reviewed-by, 2 Tested-by
• STALE154d REVIEWED: 1 (1M) [PATCH net] net: mana: Fix double destroy_workqueue on service rescan PCI path
  2026-02-24 · Dipayaan Roy <hidden> · 1 Reviewed-by
• STALE154d REVIEWED: 2 (0M) [PATCH v6 2/2] mshv: add arm64 support for doorbell & intercept SINTs
  2026-02-25 · Anirudh Rayabharam <hidden> · 2 Reviewed-by
• STALE147d REVIEWED: 3 (0M) [PATCH AUTOSEL 6.19-5.10] scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT
  2026-03-05 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by, 2 Tested-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.

• STALE207d [PATCH net-next, 2/2] net: mana: Add ethtool counters for RX CQEs in coalesced type
  2026-01-02 · Haiyang Zhang <hidden>
• STALE190d [PATCH v3 2/6] mshv: Use typed hv_stats_page pointers
  2026-01-14 · Nuno Das Neves <hidden>
• STALE190d [PATCH v3 3/6] mshv: Improve mshv_vp_stats_map/unmap(), add them to mshv_root.h
  2026-01-14 · Nuno Das Neves <hidden>
• STALE190d [PATCH v3 4/6] mshv: Always map child vp stats pages regardless of scheduler type
  2026-01-14 · Nuno Das Neves <hidden>
• STALE187d [PATCH v4 2/7] mshv: Use typed hv_stats_page pointers
  2026-01-21 · Nuno Das Neves <hidden>
• STALE187d [PATCH v4 3/7] mshv: Improve mshv_vp_stats_map/unmap(), add them to mshv_root.h
  2026-01-21 · Nuno Das Neves <hidden>
• STALE187d [PATCH v4 4/7] mshv: Always map child vp stats pages regardless of scheduler type
  2026-01-21 · Nuno Das Neves <hidden>
• STALE181d [PATCH 3/4] mshv: Handle insufficient contiguous memory hypervisor status
  2026-01-23 · Stanislav Kinsburskii <hidden>
• STALE181d [PATCH 4/4] mshv: Handle insufficient root memory hypervisor statuses
  2026-01-23 · Stanislav Kinsburskii <hidden>
• STALE186d [RFC PATCH 2/3] mshv: Account pages deposited to hypervisor
  2026-01-24 · Stanislav Kinsburskii <hidden>