io_uring · Maintained

Maintainers

• M Jens Axboe <axboe@kernel.dk>

Paths

• F include/linux/io_uring/
• F include/linux/io_uring.h
• F include/linux/io_uring_types.h
• F include/trace/events/io_uring.h
• F include/uapi/linux/io_uring.h
• F include/uapi/linux/io_uring/
• F io_uring/

Last 30 days

Most active threads (last 7 days)

• WARM3d [PATCH 0/2] io_uring/uring_cmd cleanups
  2026-07-02 08:30 · 2 replies in 7d · Yang Xiuwei <hidden>
• DORMANTno replies [PATCH] io_uring/uring_cmd: skip io_uring_cmd_issue_blocking() task work
  2026-07-02 18:48 · 0 replies in 7d · Caleb Sander Mateos <hidden>
• COOLING4d [PATCH io_uring] io_uring/msg_ring: reject CQE32 flag pass-through to normal rings
  2026-07-01 08:11 · 0 replies in 7d · Melbin K Mathew <hidden>
• COOLING4d [PATCH] io_uring/memmap: return PTR_ERR() from get_unmapped_area()
  2026-06-30 09:12 · 1 reply in 7d · Yi Xie <hidden>
• COOLING4d [PATCH] io_uring/rsrc: bound io_coalesce_buffer() page array allocation
  2026-06-30 07:10 · 0 replies in 7d · Yi Xie <hidden>
• COOLING6d [BUG] RCU hang with io_uring nvme polling
  2026-06-29 20:47 · 1 reply in 7d · Ben Carey <hidden>

Active reviewers (last 30 days)

• Caleb Sander Mateos <hidden>
  4 attestations (3 Reviewed-by, 1 Suggested-by) · last on 2026-06-16
• <hidden>
  2 attestations (1 Reported-by, 1 Tested-by) · last on 2026-06-21
• Steve Grubb <hidden>
  1 attestation (1 Suggested-by) · last on 2026-06-16
• <hidden>
  1 attestation (1 Reported-by) · last on 2026-06-15
• Yael Chemla <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-06-12
• Tariq Toukan <tariqt@nvidia.com>
  1 attestation (1 Reviewed-by) · last on 2026-06-12
• Li Zetao <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-06-10
• Federico Brasili <hidden>
  1 attestation (1 Reported-by) · last on 2026-06-07

Recent patches

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

• DORMANTno replies [PATCH] io_uring/uring_cmd: skip io_uring_cmd_issue_blocking() task work
  2026-07-02 · Caleb Sander Mateos <hidden>
• WARM3d [PATCH 2/2] io_uring/uring_cmd: fix uring_cmd.c comments
  2026-07-02 · Yang Xiuwei <hidden>
• WARM3d [PATCH 1/2] io_uring/uring_cmd: copy SQE before issue_blocking punt
  2026-07-02 · Yang Xiuwei <hidden>
• COOLING4d [PATCH io_uring] io_uring/msg_ring: reject CQE32 flag pass-through to normal rings
  2026-07-01 · Melbin K Mathew <hidden>
• COOLING4d [PATCH v2] io_uring/memmap: return -EINVAL from get_unmapped_area() on bad mmap
  2026-06-30 · Yi Xie <hidden>
• COOLING4d [PATCH] io_uring/rsrc: bound io_coalesce_buffer() page array allocation
  2026-06-30 · Yi Xie <hidden>
• COOLING4d [PATCH] io_uring/memmap: return PTR_ERR() from get_unmapped_area()
  2026-06-30 · Yi Xie <hidden>
• COOLING6d Re: [BUG] RCU hang with io_uring nvme polling
  2026-06-29 · Ben Carey <hidden>
• DORMANTno replies [PATCH for-next] io_uring: remove redundant NULL check before kfree
  2026-06-25 · Subasri S <hidden>
• COOLING4d [PATCH v6] io_uring/register: add IORING_REGISTER_CLONE_FILES opcode
  2026-06-24 · Harshal Chavan <hidden>
• COOLING4d [PATCH v4] io_uring: annotate remote tasks for kcoverage
  2026-06-24 · Robert Femmer <hidden>
• COOLING4d [PATCH v5] io_uring/register: add IORING_REGISTER_CLONE_FILES opcode
  2026-06-24 · Harshal Chavan <hidden>
• COOLING4d [PATCH v3 7/7] io_uring: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• COOLING13d REVIEWED: 1 (0M) [PATCH] io_uring/memmap: bound io_pin_pages() by page array byte size
  2026-06-21 · Deepanshu Kartikey <hidden>
• COOLING12d [PATCH v4] io_uring/register: add IORING_REGISTER_CLONE_FILES opcode
  2026-06-19 · Harshal Chavan <hidden>
• COLD16d [BUG] io_uring: possible CQE32 overflow flush inconsistency in __io_cqring_overflow_flush()
  2026-06-19 · Cyber_black <hidden>
• COLD16d [PATCH v3] io_uring/register: add IORING_REGISTER_CLONE_FILES opcode
  2026-06-19 · harshal24-chavan <hidden>
• DORMANTno replies [PATCH] io_uring: flush deferred completions for multishot CQE32 posting
  2026-06-18 · Yang Xiuwei <hidden>
• COLD16d [PATCH stable-7.0.y] io_uring/net: Avoid msghdr on op_connect/op_bind async data
  2026-06-17 · Gabriel Krisman Bertazi <hidden>
• COLD16d [PATCH stable-6.12.y] io_uring/net: Avoid msghdr on op_connect/op_bind async data
  2026-06-17 · Gabriel Krisman Bertazi <hidden>
• COLD16d [PATCH stable-6.18.y] io_uring/net: Avoid msghdr on op_connect/op_bind async data
  2026-06-17 · Gabriel Krisman Bertazi <hidden>
• COLD16d [PATCH stable-7.1.y] io_uring/net: Avoid msghdr on op_connect/op_bind async data
  2026-06-17 · Gabriel Krisman Bertazi <hidden>
• COLD16d [PATCH v2] [PATCH v2] io_uring/register: add IORING_REGISTER_CLONE_FILES opcode
  2026-06-17 · harshal24-chavan <hidden>
• DORMANTno replies [PATCH] io_uring/register: add IORING_REGISTER_CLONE_FILES opcode
  2026-06-17 · harshal24-chavan <hidden>
• COLD18d [PATCH] io_uring/net: fix netmsg_cache iovec leak on BIND and CONNECT
  2026-06-17 · Yang Xiuwei <hidden>
• COLD19d [PATCH] io_uring: Use system_dfl_wq instead of system_unbound_wq to fix warning
  2026-06-16 · Nathan Chancellor <nathan@kernel.org>
• COLD19d [PATCH] io_uring, audit: don't log IORING_OP_RECV_ZC
  2026-06-16 · Ricardo Robaina <hidden>
• COLD19d [PATCH] io_uring: get rid of tw_pending for !DEFER task work
  2026-06-16 · Jens Axboe <axboe@kernel.dk>
• COLD19d Re: [PATCH 4/6] io_uring: switch normal task_work to a mpscq
  2026-06-15 · Jens Axboe <axboe@kernel.dk>
• COLD20d [PATCH] io_uring/nop: fix file reference leak with IOSQE_FIXED_FILE
  2026-06-15 · Vasileios Almpanis <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.

• STALE192d REVIEWED: 1 (0M) [PATCH] io_uring: fix filename leak in __io_openat_prep()
  2025-12-24 · Prithvi Tambewagh <hidden> · 1 Tested-by
• STALE192d REVIEWED: 1 (0M) [PATCH v2] io_uring: fix filename leak in __io_openat_prep()
  2025-12-25 · Prithvi Tambewagh <hidden> · 1 Tested-by
• STALE159d REVIEWED: 3 (3M) [PATCH 4/7] io_uring/bpf_filter: cache lookup table in ctx->bpf_filters
  2026-01-27 · Jens Axboe <axboe@kernel.dk> · 1 Reviewed-by
• STALE159d REVIEWED: 3 (3M) [PATCH 5/7] io_uring/bpf_filter: add ref counts to struct io_bpf_filter
  2026-01-27 · Jens Axboe <axboe@kernel.dk> · 1 Reviewed-by
• STALE159d REVIEWED: 3 (3M) [PATCH 6/7] io_uring: add task fork hook
  2026-01-27 · Jens Axboe <axboe@kernel.dk> · 1 Reviewed-by
• STALE157d REVIEWED: 1 (0M) [PATCH AUTOSEL 6.18] io_uring/rw: free potentially allocated iovec on cache put failure
  2026-01-28 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE153d REVIEWED: 1 (0M) [PATCH AUTOSEL 6.18] io_uring/rw: free potentially allocated iovec on cache put failure
  2026-02-02 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE146d REVIEWED: 1 (1M) [PATCH AUTOSEL 6.18] io_uring/fdinfo: be a bit nicer when looping a lot of SQEs/CQEs
  2026-02-09 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE136d REVIEWED: 1 (0M) [LINUX PATCH v4] io_uring: Add size check for sqe->cmd
  2026-02-19 · Govindarajulu Varadarajan <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 6.12.y] io_uring/uring_cmd: fix too strict requirement on ioctl
  2026-02-28 · Asbjørn Sloth Tønnesen <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.

• STALE199d [PATCH v5 5/6] io_uring: factor out uring_lock helpers
  2025-12-15 · Caleb Sander Mateos <hidden>
• STALE201d [RFC PATCH v3 17/59] allow incomplete imports of filenames
  2025-12-16 · Al Viro <viro@zeniv.linux.org.uk>
• STALE201d [RFC PATCH v3 26/59] rename do_filp_open() to do_file_open()
  2025-12-16 · Al Viro <viro@zeniv.linux.org.uk>
• STALE201d [RFC PATCH v3 50/59] filename_...xattr(): don't consume filename reference
  2025-12-16 · Al Viro <viro@zeniv.linux.org.uk>
• STALE201d [RFC PATCH v3 44/59] io_openat2(): use CLASS(filename_complete_delayed)
  2025-12-16 · Al Viro <viro@zeniv.linux.org.uk>
• STALE201d [RFC PATCH v3 45/59] io_statx(): use CLASS(filename_complete_delayed)
  2025-12-16 · Al Viro <viro@zeniv.linux.org.uk>
• STALE166d [PATCH v6 2/6] io_uring: clear IORING_SETUP_SINGLE_ISSUER for IORING_SETUP_SQPOLL
  2025-12-18 · Caleb Sander Mateos <hidden>
• STALE166d [PATCH v6 5/6] io_uring: factor out uring_lock helpers
  2025-12-18 · Caleb Sander Mateos <hidden>
• STALE195d [PATCH v2 01/25] io_uring/kbuf: refactor io_buf_pbuf_register() logic into generic helpers
  2025-12-18 · Joanne Koong <joannelkoong@gmail.com>
• STALE195d [PATCH v2 02/25] io_uring/kbuf: rename io_unregister_pbuf_ring() to io_unregister_buf_ring()
  2025-12-18 · Joanne Koong <joannelkoong@gmail.com>