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

Most active threads (last 7 days)

• WARM2d [PATCH v9 00/11] sched, steal_governor: Introduce preferred CPUs and steal-driven vCPU backoff
  2026-07-24 14:09 · 1 reply in 7d · Shrikanth Hegde <hidden>
• WARM1d [PATCH net-next 0/7] net: xilinx: axienet: Add 10G/25G (XXV) ethernet support
  2026-07-23 12:39 · 1 reply in 7d · Suraj Gupta <hidden>

Active reviewers (last 30 days)

• Laurence Oberman <hidden>
  3 attestations (3 Tested-by) · last on 2026-07-17
• Martin K. Petersen <martin.petersen@oracle.com>
  1 attestation (1 Reviewed-by) · last on 2026-07-17
• Pasha Tatashin <pasha.tatashin@soleen.com>
  1 attestation (1 Reviewed-by) · last on 2026-07-17
• Qiliang Yuan <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-07-10

Recent patches

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

• WARM2d [PATCH v9 03/11] sysfs: Add preferred CPU file
  2026-07-24 · Shrikanth Hegde <hidden>
• WARM1d [PATCH net-next 1/7] clk: Add devm_clk_bulk_get_enable()
  2026-07-23 · Suraj Gupta <hidden>
• COOLING5d [PATCH v5 29/36] mm: add NODE_PRIVATE_CAP_DEMOTION for private-node tiering demotion
  2026-07-20 · Gregory Price <gourry@gourry.net>
• COOLING5d [PATCH v5 04/36] numa: introduce N_MEMORY_PRIVATE
  2026-07-20 · Gregory Price <gourry@gourry.net>
• COOLING7d [PATCH v8 03/11] sysfs: Add preferred CPU file
  2026-07-20 · Shrikanth Hegde <hidden>
• COOLING6d [PATCH RESEND v6 2/2] PM: dpm_watchdog: Allow disabling DPM watchdog by default
  2026-07-20 · Tzung-Bi Shih <tzungbi@kernel.org>
• COOLING6d [PATCH RESEND v6 1/2] PM: sleep: Rename module parameters prefix to "pm"
  2026-07-20 · Tzung-Bi Shih <tzungbi@kernel.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH v19 5/7] driver core: async device shutdown infrastructure
  2026-07-17 · Tarun Sahu <hidden>
• HOTtoday REVIEWED: 1 (0M) [PATCH v19 4/7] driver core: do not always lock parent in shutdown
  2026-07-17 · Tarun Sahu <hidden>
• HOTtoday REVIEWED: 8 (7M) [PATCH v19 3/7] driver core: separate function to shutdown one device
  2026-07-17 · Tarun Sahu <hidden>
• HOTtoday [PATCH v19 2/7] driver core: Prevent device_add() during system shutdown
  2026-07-17 · Tarun Sahu <hidden>
• HOTtoday [PATCH v19 1/7] device_core: rely on put_device to free dev->p
  2026-07-17 · Tarun Sahu <hidden>
• COLD19d [PATCH v4 02/11] sched/isolation: RCU-protect runtime-mutable housekeeping cpumask readers
  2026-07-10 · Jing Wu <hidden>
• COLD15d [PATCH v7 03/12] sysfs: Add preferred CPU file
  2026-07-09 · Shrikanth Hegde <hidden>
• COOLING14d [PATCH v6 2/2] PM: dpm_watchdog: Allow disabling DPM watchdog by default
  2026-07-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COOLING14d [PATCH v6 1/2] PM: sleep: Rename module parameters prefix to "pm"
  2026-07-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD20d [PATCH v6 04/23] sysfs: Add preferred CPU file
  2026-07-01 · Shrikanth Hegde <hidden>
• COLD23d [PATCH v5 2/2] PM: dpm_watchdog: Allow disabling DPM watchdog by default
  2026-07-01 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD23d [PATCH v5 1/2] PM: sleep: Rename module parameters prefix to "pm_sleep"
  2026-07-01 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD29d [PATCH v5 05/24] sysfs: Add preferred CPU file
  2026-06-25 · Shrikanth Hegde <hidden>
• COLD35d [PATCH v4 2/2] PM: dpm_watchdog: Allow disabling DPM watchdog by default
  2026-06-11 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD35d [PATCH v4 1/2] PM: sleep: Rename module parameters prefix to "pm_sleep"
  2026-06-11 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD27d [RFC PATCH 1/3] mm/numa: add exclusive node pool and numa=standby boot parameter
  2026-06-10 · Gregory Price <gourry@gourry.net>
• COLD50d [PATCH v3 3/3] PM: dpm_watchdog: Add sysctl interface for DPM watchdog timeouts
  2026-06-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD50d [PATCH v3 2/3] PM: dpm_watchdog: Allow disabling DPM watchdog by default
  2026-06-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD50d [PATCH v3 1/3] PM: core: Rename module parameters prefix to "power"
  2026-06-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD54d [PATCH v2 3/3] PM: dpm_watchdog: Add sysctl interface for DPM watchdog timeouts
  2026-06-04 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD54d [PATCH v2 2/3] PM: dpm_watchdog: Allow disabling DPM watchdog by default
  2026-06-04 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD54d [PATCH v2 1/3] PM: core: Rename module parameters prefix to "power"
  2026-06-04 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD54d [PATCH v2 3/3] PM: dpm_watchdog: Add sysctl interface for DPM watchdog timeouts
  2026-06-04 · Tzung-Bi Shih <tzungbi@kernel.org>

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.

• STALE175d [PATCH v7 2/3] revocable: Add Kunit test cases
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE183d [PATCH 19/23] revocable: Support to define revocable consumer handle on stack
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE183d [PATCH 20/23] revocable: Add Kunit test case for DEFINE_REVOCABLE()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE184d [PATCH v3 01/16] include: device.h: Add named device attributes
  2026-01-24 · "Derek J. Clark" <derekjohn.clark@gmail.com>
• STALE175d [PATCH 2/3] Revert "revocable: Add Kunit test cases"
  2026-01-24 · Johan Hovold <johan@kernel.org>
• STALE166d [PATCH v2 2/3] Revert "revocable: Add Kunit test cases"
  2026-02-04 · Johan Hovold <johan@kernel.org>
• STALE156d [PATCH v8 2/3] revocable: Add KUnit test cases
  2026-02-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE83d [PATCH v9 2/9] revocable: Add KUnit test cases
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE67d Re: [PATCH v1 1/4] driver core: allow certain drivers prohibit override via sysfs
  2026-05-08 · "Danilo Krummrich" <dakr@kernel.org>
• COLD54d [PATCH v2 1/3] PM: core: Rename module parameters prefix to "power"
  2026-06-04 · Tzung-Bi Shih <tzungbi@kernel.org>