nvm express driver · Supported

Maintainers

• M Keith Busch <kbusch@kernel.org>
• M Jens Axboe <axboe@fb.com>
• M Christoph Hellwig <hch@lst.de>
• M Sagi Grimberg <sagi@grimberg.me>

Paths

• F Documentation/nvme/
• F drivers/nvme/common/
• F drivers/nvme/host/
• F include/linux/nvme-*.h
• F include/linux/nvme.h
• F include/uapi/linux/nvme_ioctl.h

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v3 0/8] block,md,nvme: correct handling of unsupported P2PDMA transfers
  2026-07-21 17:46 · 1 reply in 7d · Mykola Marzhan <hidden>
• HOTtoday [PATCH 0/5] lib/crypto: add HKDF and convert fscrypt and NVMe
  2026-07-21 14:08 · 1 reply in 7d · Marco Baffo <hidden>
• DORMANTno replies [PATCH RFC] nvme-multipath: fix diskstats for partitions
  2026-07-21 11:46 · 0 replies in 7d · John Garry <john.g.garry@oracle.com>
• HOTtoday [PATCH v1 0/1] nvme-pci: adaptive interrupt coalescing
  2026-07-21 08:38 · 1 reply in 7d · Jun Zeng <hidden>
• HOTtoday [PATCH v1 0/2] nvme: use local limits for namespace heads
  2026-07-20 02:23 · 2 replies in 7d · Yao Sang <hidden>
• WARM2d [PATCH] nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()
  2026-07-20 06:04 · 0 replies in 7d · Yang Xiuwei <hidden>
• HOTtoday [PATCH v2 0/7] block,md,nvme: correct handling of unsupported P2PDMA transfers
  2026-07-19 10:53 · 1 reply in 7d · Mykola Marzhan <hidden>
• HOTtoday [PATCH 0/6] block,md,nvme: correct handling of unsupported P2PDMA transfers
  2026-07-18 16:26 · 1 reply in 7d · Mykola Marzhan <hidden>
• DORMANTno replies [PATCH] nvme-tcp: fix usage of page_frag_cache
  2026-07-16 14:42 · 0 replies in 7d · Daniel Wagner <hidden>
• WARM2d [PATCH] nvme-apple: Remove redundant dev_err_probe()
  2026-07-16 03:33 · 0 replies in 7d · Pan Chuang <hidden>

Active reviewers (last 30 days)

• Christoph Hellwig <hch@lst.de>
  13 attestations (13 Reviewed-by) · last on 2026-07-14
• Hannes Reinecke <hare@suse.de>
  7 attestations (7 Reviewed-by) · last on 2026-07-12
• Sagi Grimberg <sagi@grimberg.me>
  4 attestations (4 Reviewed-by) · last on 2026-07-12
• Sungwoo Kim <hidden>
  2 attestations (2 Acked-by) · last on 2026-07-15
• Dave Tian <hidden>
  2 attestations (2 Acked-by) · last on 2026-07-15
• Weidong Zhu <hidden>
  2 attestations (2 Acked-by) · last on 2026-07-15
• Jason Gunthorpe <jgg@nvidia.com>
  2 attestations (2 Suggested-by) · last on 2026-07-09
• Liang Fang <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-07-15
• Ijae Kim <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-07-15
• Paul E. McKenney <paulmck@kernel.org>
  1 attestation (1 Reviewed-by) · last on 2026-07-13

Recent patches

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

• HOTtoday [PATCH v3 8/8] nvme-rdma: return BLK_STS_TARGET for unsupported P2P transfers
  2026-07-21 · Mykola Marzhan <hidden>
• HOTtoday [PATCH 4/5] nvme-auth: use HKDF library functions for TLS PSK derivation
  2026-07-21 · Marco Baffo <hidden>
• DORMANTno replies [PATCH RFC] nvme-multipath: fix diskstats for partitions
  2026-07-21 · John Garry <john.g.garry@oracle.com>
• HOTtoday Re: [PATCH v1 1/1] nvme-pci: adaptive interrupt coalescing
  2026-07-21 · Fengnan Chang <hidden>
• WARM2d [PATCH] nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()
  2026-07-20 · Yang Xiuwei <hidden>
• HOTtoday [PATCH v1 1/2] nvme: factor namespace-head queue-limit update
  2026-07-20 · Yao Sang <hidden>
• HOTtoday [PATCH v1 2/2] nvme: stop using queue_limits_stack_bdev for namespace heads
  2026-07-20 · Yao Sang <hidden>
• HOTtoday [PATCH v2 7/7] nvme-rdma: return BLK_STS_TARGET for unsupported P2P transfers
  2026-07-19 · Mykola Marzhan <hidden>
• HOTtoday [PATCH 6/6] nvme-rdma: return BLK_STS_TARGET for unsupported P2P transfers
  2026-07-18 · Mykola Marzhan <hidden>
• DORMANTno replies [PATCH] nvme-tcp: fix usage of page_frag_cache
  2026-07-16 · Daniel Wagner <hidden>
• WARM2d [PATCH] nvme-apple: Remove redundant dev_err_probe()
  2026-07-16 · Pan Chuang <hidden>
• DORMANTno replies REVIEWED: 3 (0M) [PATCH v6] nvme: reject passthrough of driver-managed Set Features
  2026-07-15 · Chao Shi <hidden>
• COOLING6d [PATCH v3] nvme: reduce firmware activation poll interval
  2026-07-15 · guzebing <hidden>
• HOTtoday [PATCH v1 1/1] nvme-pci: adaptive interrupt coalescing
  2026-07-15 · Jun Zeng <hidden>
• WARM1d [PATCH] nvme-pci: disable controller on admin queue IRQ setup failure
  2026-07-15 · Myeonghun Pak <hidden>
• DORMANTno replies REVIEWED: 3 (0M) [PATCH v2] nvme: reject completions for requests that are not in flight
  2026-07-15 · Chao Shi <hidden>
• COOLING5d REVIEWED: 4 (4M) [PATCH 6.18.y] nvme-pci: DMA unmap the correct regions in nvme_free_sgls
  2026-07-14 · Nicolai Buchwitz <hidden>
• COOLING7d [PATCH v2] nvme: reduce firmware activation poll interval
  2026-07-14 · guzebing <hidden>
• COOLING8d [PATCH] nvme: make sending wall-clock time to NVMe opt-in
  2026-07-13 · Daniel Colascione <hidden>
• WARM1d [PATCH v4 19/20] nvme: fix context analysis warning in tcp.c
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 20/20] nvme: enable context analysis support for nvme host driver
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 18/20] nvme: add context annotations in tcp.c
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 17/20] nvme: fix context analysis warning in rdma.c
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 16/20] nvme: add context annotations in rdma.c
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 15/20] nvme: add context annotations for nvme_queue::sq_lock
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d REVIEWED: 4 (4M) [PATCH v4 14/20] nvme: add context annotations in fabric.c
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 13/20] nvme: add context annotations for nvme_subsystems_lock
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d REVIEWED: 4 (4M) [PATCH v4 12/20] nvme: add context annotations for nvme_ctrl::ana_lock
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d [PATCH v4 11/20] nvme: add context annotations for nvme_subsystem::lock
  2026-07-13 · Nilay Shroff <hidden>
• WARM1d REVIEWED: 4 (4M) [PATCH v4 09/20] nvme: add context annotations for nvme_dev::shutdown_lock
  2026-07-13 · Nilay Shroff <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.

• STALE190d REVIEWED: 7 (7M) [PATCH v3] nvme/host: fixup some typos
  2026-01-11 · Wilfred Mallawa <hidden> · 1 Reviewed-by
• STALE160d REVIEWED: 11 (11M) [PATCH v4] nvme/host: fixup some typos
  2026-01-14 · Wilfred Mallawa <hidden> · 2 Reviewed-by
• STALE182d REVIEWED: 2 (2M) [PATCH AUTOSEL 6.18-6.1] nvme-fc: release admin tagset if init fails
  2026-01-20 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE165d REVIEWED: 2 (0M) [PATCH V1] nvme-pci: disable SR-IOV VFs on driver unbind
  2026-01-27 · Qinyun Tan <hidden> · 2 Reviewed-by
• STALE167d REVIEWED: 1 (0M) [PATCH V3 1/1] nvme: add support for dynamic quirk configuration via module parameter
  2026-02-04 · Maurizio Lombardi <hidden> · 1 Tested-by
• STALE158d REVIEWED: 4 (4M) [PATCHv2 1/3] nvme-pci: ensure we're polling a polled queue
  2026-02-12 · Keith Busch <hidden> · 1 Reviewed-by
• STALE158d REVIEWED: 1 (0M) [PATCHv2 2/3] nvme-pci: cap queue creation to used queues
  2026-02-12 · Keith Busch <hidden> · 1 Tested-by
• STALE148d REVIEWED: 3 (0M) [PATCH] nvme: fix memory allocator in nvme_pr_read_keys()
  2026-02-16 · Sungwoo Kim <hidden> · 3 Acked-by
• STALE120d REVIEWED: 3 (2M) [PATCH 6.1.y 2/2] nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl()
  2026-02-23 · Jaskaran Singh <hidden> · 1 Reviewed-by, 1 Tested-by
• COLD27d REVIEWED: 4 (4M) [PATCH V3 2/3] nvme-core: register namespaces in order during async scan
  2026-02-25 · Maurizio Lombardi <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.

• STALE182d [PATCH V2 1/2] block: pass io_comp_batch to rq_end_io_fn callback
  2026-01-16 · Ming Lei <hidden>
• STALE182d [PATCH V2 2/2] nvme/io_uring: optimize IOPOLL completions for local ring context
  2026-01-16 · Ming Lei <hidden>
• DORMANTno replies [PATCH] driver/nvme-tcp: Use string choice helpers for digest logging
  2026-01-22 · zenghongling <hidden>
• DORMANTno replies [PATCH] driver/nvme-tcp: Use string choice helpers for digest logging
  2026-01-22 · zenghongling <hidden>
• STALE168d [PATCH 2/7] nvme: export multipath failover count via sysfs
  2026-01-30 · Nilay Shroff <hidden>
• STALE168d [PATCH 4/7] nvme: export I/O requeue count when no path is available via sysfs
  2026-01-30 · Nilay Shroff <hidden>
• STALE168d [PATCH 5/7] nvme: export I/O failure count when no path is available via sysfs
  2026-01-30 · Nilay Shroff <hidden>
• STALE168d [PATCH 3/7] nvme: export command error counters via sysfs
  2026-01-30 · Nilay Shroff <hidden>
• STALE168d [PATCH 6/7] nvme: export controller reset event count via sysfs
  2026-01-30 · Nilay Shroff <hidden>
• STALE168d [PATCH 7/7] nvme: export controller reconnect event count via sysfs
  2026-01-30 · Nilay Shroff <hidden>