[PATCH v4 0/3] Creation of workqueues in Rust

From: Alice Ryhl

Date: Thu Mar 12 2026 - 05:23:52 EST


GPU drivers often need to create their own workqueues for various
reasons. Add the ability to do so.

Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
---
Changes in v4:
- Add link to delayed work fix.
- Redo workqueue creation to prevent invalid configurations.
- Introduce a directory as workqueue.rs was getting really large.
- Link to v3: https://lore.kernel.org/r/20260227-create-workqueue-v3-0-87de133f7849@xxxxxxxxxx

Changes in v3:
- Switch to builder pattern.
- Drop BH workqueues for now.
- Mark delayed wq change as fix.
- Link to v2: https://lore.kernel.org/r/20251113-create-workqueue-v2-0-8b45277119bc@xxxxxxxxxx

Changes in v2:
- Redo how flagging works.
- Restrict delayed work to not be usable on custom workqueues.
- Link to v1: https://lore.kernel.org/r/20250411-create-workqueue-v1-1-f7dbe7f1e05f@xxxxxxxxxx

---
Alice Ryhl (3):
rust: workqueue: restrict delayed work to global wqs
rust: workqueue: create workqueue subdirectory
rust: workqueue: add creation of workqueues

MAINTAINERS | 1 +
rust/helpers/workqueue.c | 7 +
rust/kernel/workqueue/builder.rs | 380 +++++++++++++++++++++++++
rust/kernel/{workqueue.rs => workqueue/mod.rs} | 53 +++-
4 files changed, 437 insertions(+), 4 deletions(-)
---
base-commit: df9c51269a5e2a6fbca2884a756a4011a5e78748
change-id: 20250411-create-workqueue-d053158c7a4b

Best regards,
--
Alice Ryhl <aliceryhl@xxxxxxxxxx>