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Message-ID: <87jz6uq9sm.fsf@kernel.org>
Date: Tue, 06 May 2025 13:05:13 +0200
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Miguel Ojeda <ojeda@...nel.org>
Cc: Alex Gaynor <alex.gaynor@...il.com>,
Boqun Feng <boqun.feng@...il.com>,
Gary Guo <gary@...yguo.net>,
Björn Roy Baron <bjorn3_gh@...tonmail.com>,
Benno Lossin <benno.lossin@...ton.me>,
Andreas Hindborg <a.hindborg@...nel.org>,
Alice Ryhl <aliceryhl@...gle.com>,
Trevor Gross <tmgross@...ch.edu>,
Danilo Krummrich <dakr@...nel.org>,
Tamir Duberstein <tamird@...il.com>,
Andreas Hindborg <a.hindborg@...nel.org>,
Matthew Wilcox <willy@...radead.org>,
rust-for-linux@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [GIT PULL] Rust xarray for v6.16
Hi Miguel,
Please pull these changes to enable access to the xarray data structure
from rust.
The following changes since commit 9c32cda43eb78f78c73aee4aa344b777714e259b:
Linux 6.15-rc3 (2025-04-20 13:43:47 -0700)
are available in the Git repository at:
https://github.com/rust-for-linux/linux.git tags/rust-xarray-for-v6.16
for you to fetch changes up to fa616196fbea12462107774fb6a1908c95f71cf0:
MAINTAINERS: add entry for Rust XArray API (2025-05-01 11:37:59 +0200)
Best regards,
Andreas Hindborg
----------------------------------------------------------------
Rust xarray API for v6.16
Introduce Rust support for the `xarray` data structure:
- Add a rust abstraction for the `xarray` data structure. This abstraction
allows rust code to leverage the `xarray` to store types that implement
`ForeignOwnable`. This support is a dependency for memory backing feature of
the rust null block driver, which is waiting to be merged.
- Set up an entry in MAINTAINERS for the xarray rust support. Patches will go
to the new rust xarray tree and then via the rust subsystem tree for now.
`kernel` crate:
- Allow `ForeignOwnable` to carry information about the pointed-to type. This
helps asserting alignment requirements for the pointer passed to the foreign
language.
----------------------------------------------------------------
Tamir Duberstein (3):
rust: types: add `ForeignOwnable::PointedTo`
rust: xarray: Add an abstraction for XArray
MAINTAINERS: add entry for Rust XArray API
MAINTAINERS | 11 ++
rust/bindings/bindings_helper.h | 6 +
rust/helpers/helpers.c | 1 +
rust/helpers/xarray.c | 28 ++++
rust/kernel/alloc/kbox.rs | 38 +++---
rust/kernel/lib.rs | 1 +
rust/kernel/miscdevice.rs | 10 +-
rust/kernel/pci.rs | 2 +-
rust/kernel/platform.rs | 2 +-
rust/kernel/sync/arc.rs | 21 +--
rust/kernel/types.rs | 46 ++++---
rust/kernel/xarray.rs | 275 ++++++++++++++++++++++++++++++++++++++++
12 files changed, 392 insertions(+), 49 deletions(-)
create mode 100644 rust/helpers/xarray.c
create mode 100644 rust/kernel/xarray.rs
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