char and misc drivers · Supported

Maintainers

• M Arnd Bergmann <arnd@arndb.de>
• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Paths

• F drivers/char/
• F drivers/misc/
• F include/linux/miscdevice.h
• F rust/kernel/miscdevice.rs
• F samples/rust/rust_misc_device.rs
• X drivers/char/agp/
• X drivers/char/hw_random/
• X drivers/char/ipmi/
• X drivers/char/random.c
• X drivers/char/tpm/

Last 30 days

Most active threads (last 7 days)

• DORMANTno replies [PATCH v9 00/10] Fix missing fops.owner in Rust DRM/misc abstractions
  2026-07-23 02:11 · 1 reply in 7d · Alvin Sun <hidden>

Active reviewers (last 30 days)

• Andreas Hindborg <a.hindborg@kernel.org>
  5 attestations (5 Reviewed-by) · last on 2026-07-23
• Gary Guo <gary@garyguo.net>
  5 attestations (5 Reviewed-by) · last on 2026-07-23
• Danilo Krummrich <dakr@kernel.org>
  4 attestations (4 Acked-by) · last on 2026-07-23
• Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  1 attestation (1 Acked-by) · last on 2026-07-23
• Alice Ryhl <aliceryhl@google.com>
  1 attestation (1 Reviewed-by) · last on 2026-07-23

Recent patches

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

• DORMANTno replies REVIEWED: 55 (55M) [PATCH v9 06/10] rust: miscdevice: set fops.owner from driver module pointer
  2026-07-23 · Alvin Sun <hidden>
• WARM3d [PATCH 4/8] misc: make all reg_write callbacks take const void *
  2026-07-15 · Link Mauve <hidden>
• COOLING6d REVIEWED: 25 (25M) [PATCH v8 06/10] rust: miscdevice: set fops.owner from driver module pointer
  2026-07-13 · Alvin Sun <hidden>
• DORMANTno replies [PATCH] rust: miscdevice: fix write_iter safety docs
  2026-07-07 · Yilin Chen <hidden>
• COLD21d [PATCH v3] rust: core: implement rx580 state optimization engine and c-to-rust char dev
  2026-06-30 · Breno Rodrigues Alves <hidden>
• COLD23d [PATCH v2] rust: core: implement rx580 state optimization engine and c-to-rust char dev
  2026-06-30 · Breno Rodrigues Alves <hidden>
• DORMANTno replies [PATCH] rust: core: implement rx580 state optimization engine and c-to-rust char dev
  2026-06-30 · Breno Rodrigues Alves <hidden>
• DORMANTno replies [PATCH] rust: core: implement rx580 state optimization engine and c-to-rust char dev
  2026-06-30 · Breno Rodrigues Alves <hidden>
• DORMANTno replies REVIEWED: 25 (25M) [PATCH v7 06/10] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-27 · Alvin Sun <hidden>
• COLD26d REVIEWED: 25 (25M) [PATCH v6 06/10] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-24 · Alvin Sun <hidden>
• COLD29d REVIEWED: 10 (10M) [PATCH v5 6/9] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-24 · Alvin Sun <hidden>
• COLD30d REVIEWED: 6 (6M) [PATCH v4 6/9] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-23 · Alvin Sun <hidden>
• COLD31d [PATCH v3 5/6] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-22 · Alvin Sun <hidden>
• COLD31d [PATCH v2 5/7] rust: miscdevice: set fops.owner from driver module pointer
  2026-05-21 · Alvin Sun <hidden>
• COLD30d REVIEWED: 2 (2M) [PATCH v3 1/7] rust: miscdevice: use vertical import style
  2026-05-21 · Alvin Sun <hidden>
• COLD30d REVIEWED: 2 (2M) [PATCH v3 3/7] rust: miscdevice: remove redundant imports
  2026-05-21 · Alvin Sun <hidden>
• COLD30d REVIEWED: 2 (2M) [PATCH v3 2/7] samples: rust_misc_device: use vertical import style
  2026-05-21 · Alvin Sun <hidden>
• COLD34d [PATCH v2 3/5] rust: miscdevice: remove redundant imports
  2026-05-20 · Alvin Sun <hidden>
• COLD34d [PATCH v2 1/5] rust: miscdevice: use vertical import style
  2026-05-20 · Alvin Sun <hidden>
• COLD34d [PATCH v2 2/5] samples: rust_misc_device: use vertical import style
  2026-05-20 · Alvin Sun <hidden>
• STALE63d [PATCH 8/8] samples: rust: rust_misc_device: implement `ThisModule` for `RustMiscDevice`
  2026-05-19 · Alvin Sun <hidden>
• STALE63d [PATCH 7/8] rust: miscdevice: add `ThisModule` associated type to `MiscDevice` trait
  2026-05-19 · Alvin Sun <hidden>
• STALE65d [PATCH 2/2] samples: rust_misc_device: use vertical import style
  2026-05-19 · Alvin Sun <hidden>
• STALE65d [PATCH 1/2] rust: miscdevice: use vertical import style
  2026-05-19 · Alvin Sun <hidden>
• STALE85d [RFC PATCH v1 5/9] uaccess: Switch to copy_{to/from}_user_partial() when relevant
  2026-04-27 · "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
• STALE87d [PATCH v5 4/4] samples: rust: Add `uring_cmd` example to `rust_misc_device`
  2026-04-15 · Sidong Yang <hidden>
• STALE87d [PATCH v5 3/4] rust: miscdevice: Add `uring_cmd` support
  2026-04-15 · Sidong Yang <hidden>
• STALE100d [PATCH v4 5/5] samples: rust: Add `uring_cmd` example to `rust_misc_device`
  2026-04-08 · Sidong Yang <hidden>
• STALE100d [PATCH v4 4/5] rust: miscdevice: Add `uring_cmd` support
  2026-04-08 · Sidong Yang <hidden>
• STALE101d [RFC PATCH v3 5/6] rust: miscdevice: harden registration and safe file_operations invariants
  2026-04-06 · Wenzhao Liao <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.

• COLD30d REVIEWED: 2 (2M) [PATCH v3 1/7] rust: miscdevice: use vertical import style
  2026-05-21 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD30d REVIEWED: 2 (2M) [PATCH v3 3/7] rust: miscdevice: remove redundant imports
  2026-05-21 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD30d REVIEWED: 2 (2M) [PATCH v3 2/7] samples: rust_misc_device: use vertical import style
  2026-05-21 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD30d REVIEWED: 6 (6M) [PATCH v4 6/9] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-23 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD29d REVIEWED: 10 (10M) [PATCH v5 6/9] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-24 · Alvin Sun <hidden> · 2 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.

• STALE203d [PATCH RFC 4/6] rust: WIP: use ThisModule trait to fix some missing owners
  2026-01-01 · Kari Argillander <hidden>
• STALE101d [RFC PATCH v3 5/6] rust: miscdevice: harden registration and safe file_operations invariants
  2026-04-06 · Wenzhao Liao <hidden>
• STALE100d [PATCH v4 4/5] rust: miscdevice: Add `uring_cmd` support
  2026-04-08 · Sidong Yang <hidden>
• STALE100d [PATCH v4 5/5] samples: rust: Add `uring_cmd` example to `rust_misc_device`
  2026-04-08 · Sidong Yang <hidden>
• STALE87d [PATCH v5 3/4] rust: miscdevice: Add `uring_cmd` support
  2026-04-15 · Sidong Yang <hidden>
• STALE87d [PATCH v5 4/4] samples: rust: Add `uring_cmd` example to `rust_misc_device`
  2026-04-15 · Sidong Yang <hidden>
• STALE65d [PATCH 2/2] samples: rust_misc_device: use vertical import style
  2026-05-19 · Alvin Sun <hidden>
• STALE63d [PATCH 8/8] samples: rust: rust_misc_device: implement `ThisModule` for `RustMiscDevice`
  2026-05-19 · Alvin Sun <hidden>
• STALE63d [PATCH 7/8] rust: miscdevice: add `ThisModule` associated type to `MiscDevice` trait
  2026-05-19 · Alvin Sun <hidden>
• COLD31d [PATCH v2 5/7] rust: miscdevice: set fops.owner from driver module pointer
  2026-05-21 · Alvin Sun <hidden>