driver core, kobjects, debugfs and sysfs · Supported

Maintainers

• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• M "Rafael J. Wysocki" <rafael@kernel.org>
• M Danilo Krummrich <dakr@kernel.org>

Paths

• F Documentation/core-api/kobject.rst
• F Documentation/driver-api/driver-model/
• F drivers/base/
• F fs/debugfs/
• F fs/sysfs/
• F include/linux/device/
• F include/linux/debugfs.h
• F include/linux/device.h
• F include/linux/fwnode.h
• F include/linux/kobj*
• F include/linux/ksysfs.h
• F include/linux/property.h
• F include/linux/sysfs.h
• F kernel/ksysfs.c
• F lib/kobj*
• F rust/kernel/debugfs.rs
• F rust/kernel/debugfs/
• F rust/kernel/device.rs
• F rust/kernel/device/
• F rust/kernel/device_id.rs
• F rust/kernel/devres.rs
• F rust/kernel/driver.rs
• F rust/kernel/faux.rs
• F rust/kernel/platform.rs
• F rust/kernel/soc.rs
• F samples/rust/rust_debugfs.rs
• F samples/rust/rust_debugfs_scoped.rs
• F samples/rust/rust_driver_platform.rs
• F samples/rust/rust_driver_faux.rs
• F samples/rust/rust_soc.rs

Last 30 days

Active reviewers (last 30 days)

• Gary Guo <gary@garyguo.net>
  4 attestations (2 Reviewed-by, 2 Suggested-by) · last on 2026-07-23
• Danilo Krummrich <dakr@kernel.org>
  2 attestations (2 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 linux-block (capped at 30), ordered by date desc.

• WARM2d REVIEWED: 31 (31M) [PATCH v9 01/10] rust: module: move module types into `module.rs`
  2026-07-23 · Alvin Sun <hidden>
• COOLING12d REVIEWED: 19 (19M) [PATCH v8 01/10] rust: module: move module types into `module.rs`
  2026-07-13 · Alvin Sun <hidden>
• COLD31d REVIEWED: 12 (12M) [PATCH v7] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD30d REVIEWED: 12 (12M) [PATCH v6] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD32d REVIEWED: 12 (12M) [PATCH v5] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD33d REVIEWED: 15 (15M) [PATCH v7 01/10] rust: module: move module types into `module.rs`
  2026-06-27 · Alvin Sun <hidden>
• COLD22d REVIEWED: 34 (33M) [PATCH v19 5/8] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-26 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD34d REVIEWED: 34 (33M) [PATCH v18 5/8] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-25 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD32d REVIEWED: 15 (15M) [PATCH v6 01/10] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>
• COLD35d [PATCH v5 1/9] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>
• COLD36d [PATCH v4 1/9] rust: module: move module types into `module.rs`
  2026-06-23 · Alvin Sun <hidden>
• COLD35d REVIEWED: 34 (33M) [PATCH v17 06/10] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-04 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE149d REVIEWED: 34 (33M) [PATCH v16 03/10] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-24 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE156d REVIEWED: 34 (33M) [PATCH v15 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-20 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE173d REVIEWED: 7 (7M) [PATCH v14 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-04 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE182d [PATCH 07/33] driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE156d [PATCH 07/33] driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE210d [PATCH 07/33] driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
  2025-12-24 · Frederic Weisbecker <frederic@kernel.org>
• STALE234d Re: [PATCH 1/2] PM: runtime: Fix I/O hang due to race between resume and runtime disable
  2025-12-01 · YangYang <hidden>
• STALE234d LANDED [PATCH 1/2] PM: runtime: Fix I/O hang due to race between resume and runtime disable
  2025-11-26 · Yang Yang <hidden>
• STALE177d [PATCH v13 2/4] rust: `AlwaysRefCounted` is renamed to `RefCounted`.
  2025-11-17 · Oliver Mangold <hidden>
• STALE218d [PATCH 07/31] driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
  2025-11-05 · Frederic Weisbecker <frederic@kernel.org>
• STALE268d [PATCH 5/8] firmware: don't copy kernel creds
  2025-11-02 · Christian Brauner <brauner@kernel.org>
• STALE281d [PATCH] samples: rust: debugfs: use `core::ffi::CStr` method names
  2025-10-19 · Miguel Ojeda <ojeda@kernel.org>
• STALE281d REVIEWED: 48 (48M) [RESEND PATCH v18 16/16] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-18 · Tamir Duberstein <tamird@kernel.org>
• STALE281d REVIEWED: 16 (15M) [RESEND PATCH v18 07/16] rust: debugfs: use `kernel::fmt`
  2025-10-18 · Tamir Duberstein <tamird@kernel.org>
• STALE281d REVIEWED: 17 (17M) [RESEND PATCH v18 01/16] samples: rust: platform: remove trailing commas
  2025-10-18 · Tamir Duberstein <tamird@kernel.org>
• STALE281d REVIEWED: 48 (48M) [PATCH v18 16/16] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-18 · Alice Ryhl <aliceryhl@google.com>
• STALE281d REVIEWED: 16 (15M) [PATCH v18 07/16] rust: debugfs: use `kernel::fmt`
  2025-10-18 · Tamir Duberstein <hidden>
• STALE281d REVIEWED: 17 (17M) [PATCH v18 01/16] samples: rust: platform: remove trailing commas
  2025-10-18 · 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.

• COLD32d REVIEWED: 12 (12M) [PATCH v5] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden> · 1 Reviewed-by
• COLD30d REVIEWED: 12 (12M) [PATCH v6] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden> · 1 Reviewed-by
• COLD31d REVIEWED: 12 (12M) [PATCH v7] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <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.

• STALE156d [PATCH 07/33] driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
  2026-01-01 · Frederic Weisbecker <frederic@kernel.org>
• STALE182d [PATCH 07/33] driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• COLD36d [PATCH v4 1/9] rust: module: move module types into `module.rs`
  2026-06-23 · Alvin Sun <hidden>
• COLD35d [PATCH v5 1/9] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>