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Message-ID: <20250507105455.72863-1-lossin@kernel.org>
Date: Wed, 7 May 2025 12:54:55 +0200
From: Benno Lossin <lossin@...nel.org>
To: Benno Lossin <benno.lossin@...ton.me>,
Miguel Ojeda <ojeda@...nel.org>,
Alex Gaynor <alex.gaynor@...il.com>,
Boqun Feng <boqun.feng@...il.com>,
Gary Guo <gary@...yguo.net>,
Björn Roy Baron <bjorn3_gh@...tonmail.com>,
Andreas Hindborg <a.hindborg@...nel.org>,
Alice Ryhl <aliceryhl@...gle.com>,
Trevor Gross <tmgross@...ch.edu>,
Danilo Krummrich <dakr@...nel.org>,
Fiona Behrens <me@...enk.dev>,
Christian Schrefl <chrisi.schrefl@...il.com>,
Alban Kurti <kurti@...icto.ai>,
Michael Vetter <jubalh@...oru.org>
Cc: rust-for-linux@...r.kernel.org,
linux-kernel@...r.kernel.org,
Benno Lossin <lossin@...nel.org>
Subject: [GIT PULL] Rust pin-init for v6.16
Hi Miguel,
Here is the first pin-init pull request! It contains more changes than I
expected the first PR to have, but the new CI discovered a few smaller
issues and I also got a contribution.
All commits have been in linux-next for a few days. The earlier commits
have been in linux-next for a few weeks.
No conflicts expected.
Please pull for v6.16 -- thanks!
---
Cheers,
Benno
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/pin-init-v6.16
for you to fetch changes up to 9de1a293c8ece00d226b21a35751ec178be2a9fa:
rust: pin-init: improve documentation for `Zeroable` derive macros (2025-05-01 18:16:22 +0200)
----------------------------------------------------------------
pin-init changes for v6.16
Added:
- 'Wrapper<T>' trait for creating pin-initializers for wrapper structs
with a structurally pinned value such as 'UnsafeCell<T>' or
'MaybeUninit<T>'.
- 'MaybeZeroable' derive macro to try to derive 'Zeroable', but not
error if not all fields implement it. This is needed to derive
'Zeroable' for all bindgen-generated structs.
- 'unsafe fn cast_[pin_]init()' functions to unsafely change the
initialized type of an initializer. These are utilized by the
'Wrapper<T>' implementations.
Changed:
- Added support for visibility in 'Zeroable' derive macro.
- Added support for 'union's in 'Zeroable' derive macro.
Upstream dev news:
- The CI has been streamlined & some bugs with it have been fixed. I
also added new workflows to check if the user-space version and the
one in the kernel tree have diverged.
- I also started to use the issues [1] tab to keep track of any problems
or unexpected/unwanted things. This should help folks report and
diagnose issues w.r.t. 'pin-init' better.
[1]: https://github.com/rust-for-linux/pin-init/issues
----------------------------------------------------------------
Benno Lossin (10):
rust: pin-init: synchronize README.md
rust: pin-init: internal: skip rustfmt formatting of kernel-only module
rust: pin-init: examples: conditionally enable `feature(lint_reasons)`
rust: pin-init: examples: use `allow` instead of `expect`
rust: pin-init: add `cast_[pin_]init` functions to change the initialized type
rust: pin-init: allow `pub` fields in `derive(Zeroable)`
rust: pin-init: allow `Zeroable` derive macro to also be applied to unions
rust: pin-init: add `MaybeZeroable` derive macro
rust: pin-init: fix typos
rust: pin-init: improve documentation for `Zeroable` derive macros
Christian Schrefl (4):
rust: pin-init: Add the `Wrapper` trait.
rust: pin-init: Implement `Wrapper` for `UnsafePinned` behind feature flag.
rust: pin-init: Update Changelog and Readme
rust: pin-init: Update the structural pinning link in readme.
rust/pin-init/README.md | 14 +++-
rust/pin-init/examples/linked_list.rs | 1 +
rust/pin-init/examples/mutex.rs | 1 +
rust/pin-init/examples/pthread_mutex.rs | 4 +-
rust/pin-init/examples/static_init.rs | 1 +
rust/pin-init/internal/src/lib.rs | 6 ++
rust/pin-init/internal/src/zeroable.rs | 27 +++++-
rust/pin-init/src/lib.rs | 144 +++++++++++++++++++++++++++++++-
rust/pin-init/src/macros.rs | 91 +++++++++++++++++++-
9 files changed, 279 insertions(+), 10 deletions(-)
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