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

Active reviewers (last 30 days)

• Andreas Hindborg <a.hindborg@kernel.org>
  5 attestations (5 Reviewed-by) · last on 2026-07-13
• Gary Guo <gary@garyguo.net>
  4 attestations (4 Reviewed-by) · last on 2026-07-13
• Danilo Krummrich <dakr@kernel.org>
  3 attestations (3 Acked-by) · last on 2026-07-13

Recent patches

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

• WARM2d REVIEWED: 25 (25M) [PATCH v8 06/10] rust: miscdevice: set fops.owner from driver module pointer
  2026-07-13 · Alvin Sun <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>
• COLD22d REVIEWED: 25 (25M) [PATCH v6 06/10] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-24 · Alvin Sun <hidden>
• COLD25d REVIEWED: 10 (10M) [PATCH v5 6/9] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-24 · Alvin Sun <hidden>
• COLD26d REVIEWED: 6 (6M) [PATCH v4 6/9] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-23 · Alvin Sun <hidden>
• COLD27d [PATCH v3 5/6] rust: miscdevice: set fops.owner from driver module pointer
  2026-06-22 · Alvin Sun <hidden>
• COLD28d [PATCH v2 5/7] rust: miscdevice: set fops.owner from driver module pointer
  2026-05-21 · Alvin Sun <hidden>
• COLD27d REVIEWED: 2 (2M) [PATCH v3 1/7] rust: miscdevice: use vertical import style
  2026-05-21 · Alvin Sun <hidden>
• COLD27d REVIEWED: 2 (2M) [PATCH v3 3/7] rust: miscdevice: remove redundant imports
  2026-05-21 · Alvin Sun <hidden>
• COLD27d REVIEWED: 2 (2M) [PATCH v3 2/7] samples: rust_misc_device: use vertical import style
  2026-05-21 · Alvin Sun <hidden>
• COLD31d [PATCH v2 3/5] rust: miscdevice: remove redundant imports
  2026-05-20 · Alvin Sun <hidden>
• COLD31d [PATCH v2 1/5] rust: miscdevice: use vertical import style
  2026-05-20 · Alvin Sun <hidden>
• COLD31d [PATCH v2 2/5] samples: rust_misc_device: use vertical import style
  2026-05-20 · Alvin Sun <hidden>
• STALE209d REVIEWED: 32 (32M) [PATCH v2 11/19] rust: miscdevice: replace `kernel::c_str!` with C-Strings
  2025-09-25 · Tamir Duberstein <hidden>
• STALE338d REVIEWED: 32 (32M) [PATCH v2 11/19] rust: miscdevice: replace `kernel::c_str!` with C-Strings
  2025-08-13 · Tamir Duberstein <hidden>
• STALE349d REVIEWED: 30 (30M) [PATCH 11/17] rust: miscdevice: replace `kernel::c_str!` with C-Strings
  2025-07-10 · Tamir Duberstein <hidden>
• STALE380d REVIEWED: 35 (35M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE380d REVIEWED: 30 (30M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE380d REVIEWED: 30 (30M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE383d [PATCH v12 5/5] rust: remove core::ffi::CStr reexport
  2025-06-19 · Tamir Duberstein <hidden>
• STALE383d [PATCH v12 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-06-19 · Tamir Duberstein <hidden>
• STALE383d [PATCH v12 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-06-19 · Tamir Duberstein <hidden>
• STALE392d LANDED: 2 (0M) [PATCH v12 4/6] rust: enable `clippy::as_underscore` lint
  2025-06-15 · Tamir Duberstein <hidden>
• STALE399d REVIEWED: 2 (0M) [PATCH v11 4/6] rust: enable `clippy::as_underscore` lint
  2025-06-11 · Tamir Duberstein <hidden>
• STALE412d [PATCH v11 5/5] rust: remove core::ffi::CStr reexport
  2025-05-30 · Tamir Duberstein <hidden>
• STALE412d [PATCH v11 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-05-30 · Tamir Duberstein <hidden>
• STALE412d [PATCH v11 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-05-30 · Tamir Duberstein <hidden>
• STALE416d [PATCH v10 5/5] rust: remove core::ffi::CStr reexport
  2025-05-24 · Tamir Duberstein <hidden>
• STALE416d [PATCH v10 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-05-24 · Tamir Duberstein <hidden>
• STALE416d [PATCH v10 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-05-24 · Tamir Duberstein <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.

• COLD27d REVIEWED: 2 (2M) [PATCH v3 1/7] rust: miscdevice: use vertical import style
  2026-05-21 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD27d REVIEWED: 2 (2M) [PATCH v3 3/7] rust: miscdevice: remove redundant imports
  2026-05-21 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD27d REVIEWED: 2 (2M) [PATCH v3 2/7] samples: rust_misc_device: use vertical import style
  2026-05-21 · Alvin Sun <hidden> · 1 Reviewed-by
• COLD26d 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
• COLD25d 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.

• COLD28d [PATCH v2 5/7] rust: miscdevice: set fops.owner from driver module pointer
  2026-05-21 · Alvin Sun <hidden>