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History

Alice Ryhl bd197c334a ANDROID: revert Rust Binder changes in android15-6.6 This reverts the following commits: `0347be8c14` ANDROID: rust: disable floating point target features `013c5ddc64` ANDROID: rust_binder: fix leak of name in binderfs `2f4e6b1def` ANDROID: Disable warning about new bindgen `3396c2131d` ANDROID: rust: use target.json for aarch64 `1656e8d99d` ANDROID: rust: rustfmt scripts/generate_rust_target.rs `42eb612b25` ANDROID: Enable Rust Binder Module `cb0bef6d8e` ANDROID: rust_binder: Switch Rust Binder to GKI Module `b511e79bc5` ANDROID: Only warn on long symbols `4a571c32cb` ANDROID: Re-enable Rust symbol export `08dde7cab7` ANDROID: rust_binder: properly handle critical refcount increments `39285e9a6e` ANDROID: rust_binder: split out logic for zero-to-one refcount increment `76784ba7b8` ANDROID: rust_binder: don't use boolean to schedule nodes `64018a934a` ANDROID: rust_binder: don't pr_warn on benign errors `9ff51354fd` ANDROID: use 1.73.0b compiler prebuilt `ed1360bdfa` ANDROID: rust_binder: fix CFI failure in rust_shrink_free_page `741b6ae073` ANDROID: rust_binder: don't use default implementations `bee37573f9` ANDROID: rust_binder: add missing void arguments to binderfs files `8ae6dec97f` ANDROID: rust_binder: fix ioctl_freeze `c9370a3cbb` ANDROID: rust_binder: return pending info for frozen async txns `f6d2f5ebcb` ANDROID: rust_binder: various minor improvements `d27c2c39fd` ANDROID: rust_binder: add elapsed to binder_logs/state `9ef1712688` FROMLIST: rust: time: add Ktime `306e7bafe8` FROMLIST: rust: don't select CONSTRUCTORS `5424a7cb43` FROMLIST: rust: add flags for shadow call stack sanitizer `c42560464f` ANDROID: binder: update Kconfig for choosing between implementations `87f0a459c0` ANDROID: rust: uaccess: fix length usage in read_all `c6c6be80a8` ANDROID: rust: use Rust atomics for Arc refcount `282b78baf0` ANDROID: rust_binder: choose driver with kcmdline flag `01ac18bd09` ANDROID: rust_binder: add binder_logs/state `ec1855352b` ANDROID: rust_binder: fail if objects are out of order `ac68e23d38` ANDROID: rust_binder: add vma shrinker `2e4f09314c` ANDROID: rust_binder: add priority inheritance `691f0f1682` ANDROID: rust_binder: add oneway spam detection `6249f06992` ANDROID: rust_binder: add TF_UPDATE_TXN support `50259804b1` ANDROID: rust_binder: add process freezing `571343fd97` ANDROID: rust_binder: add BINDER_TYPE_FDA support `b427bc70cf` ANDROID: rust_binder: add BINDER_TYPE_FD support `451e930fc0` ANDROID: rust_binder: add BINDER_TYPE_PTR support `ae1d247379` ANDROID: rust_binder: send nodes in transactions `892df033dc` ANDROID: rust_binder: add death notifications `fe5dea5fc7` ANDROID: rust_binder: serialize oneway transactions `b67f39008f` ANDROID: rust_binder: add non-oneway transactions `98cf4f1b76` ANDROID: rust_binder: add epoll support `bb1d504151` ANDROID: rust_binder: add oneway transactions `0ccb57c72d` ANDROID: rust_binder: add nodes and context managers `6feafb413a` ANDROID: rust_binder: add work lists `046eb3d735` ANDROID: rust_binder: add threading support `0d512d37b0` ANDROID: rust_binder: add binderfs support to Rust binder `adfa541d88` ANDROID: rust_binder: define a Rust binder driver `b1661c9e45` ANDROID: rust: add linked list implementation `ec656ad4c9` ANDROID: rust: sync: add `Arc::into_unique_or_drop` `b57704d237` ANDROID: rust: sync: add `ArcBorrow::from_raw` `a1bb998934` ANDROID: rust: mm: add bindings for memory management `67fe8ee749` FROMLIST: rust: add abstraction for `struct page` `6896fba16f` FROMLIST: rust: uaccess: add typed accessors for userspace pointers `881c1e2f85` FROMLIST: uaccess: always export _copy_[from\|to]_user with CONFIG_RUST `3629eb70a6` FROMLIST: rust: uaccess: add userspace pointers `84e0b6c8ef` FROMLIST: rust: rbtree: add `RBTree::entry` `c226168bb5` FROMLIST: rust: rbtree: add `RBTreeCursor` `a3e1a10677` FROMLIST: rust: rbtree: add `RBTreeIteratorMut` `97cbf6e271` FROMLIST: rust: rbtree: add `RBTreeIterator` `adfa8383a5` FROMLIST: rust: rbtree: add red-black tree implementation backed by the C version `4cb6d81d02` FROMLIST: rust: add `container_of!` macro `879f437248` FROMLIST: rust: file: add abstraction for `poll_table` `4aa358bcc5` FROMLIST: rust: file: add `DeferredFdCloser` `8abb138ec8` FROMLIST: rust: file: add `Kuid` wrapper `f764ce9b2b` FROMLIST: rust: file: add `FileDescriptorReservation` `a34dbbde7c` FROMLIST: rust: security: add abstraction for secctx `c0b96a7765` FROMLIST: rust: cred: add Rust abstraction for `struct cred` `40eecc8bdf` FROMLIST: rust: file: add Rust abstraction for `struct file` `c8ae5646c9` FROMLIST: rust: task: add `Task::current_raw` `6b4006d2d7` FROMLIST: rust: types: add `NotThreadSafe` `6bb35a6e52` FROMGIT: rust: sync: update integer types in CondVar `bd6e290154` FROMGIT: rust: sync: add `CondVar::wait_timeout` `117298b362` FROMGIT: rust: time: add msecs to jiffies conversion `d6ce2b7bd7` FROMGIT: rust: sync: add `CondVar::notify_sync` `495235c0f3` FROMGIT: rust: sync: `CondVar` rename "wait_list" to "wait_queue_head" `4c5e3e9f01` UPSTREAM: binder: use enum for binder ioctls `fbb9dbf62c` UPSTREAM: rust: support `srctree`-relative links `0f40dd3c65` UPSTREAM: rust: sync: Makes `CondVar::wait()` an uninterruptible wait `5e2edfbc03` UPSTREAM: rust: macros: improve `#[vtable]` documentation `8bd5093c30` UPSTREAM: rust: macros: update 'paste!' macro to accept string literals `63a42cf758` UPSTREAM: rust: bindings: rename const binding using sed `412965714b` UPSTREAM: rust: replace <linux/module.h> with <linux/export.h> in rust/exports.c `1765f2a273` UPSTREAM: rust: kernel: str: Implement Debug for CString `fe69811059` UPSTREAM: rust: task: remove redundant explicit link `f2497a4bb0` UPSTREAM: rust: kernel: remove `#[allow(clippy::new_ret_no_self)]` `a6ab1c4b59` UPSTREAM: rust: workqueue: add examples `3525914f07` UPSTREAM: rust: workqueue: add `try_spawn` helper method `7b431db132` UPSTREAM: rust: workqueue: implement `WorkItemPointer` for pointer types `c5e9e92b74` UPSTREAM: rust: workqueue: add helper for defining work_struct fields `fef46ccba9` UPSTREAM: rust: workqueue: define built-in queues `37fe02321c` UPSTREAM: rust: workqueue: add low-level workqueue bindings `a0c639eadc` UPSTREAM: rust: sync: add `Arc::{from_raw, into_raw}` `37e90c8aef` ANDROID: rust: Enable KCFI support when available `6be7b55440` ANDROID: rust: Use From instances for JSON encoder `2b93c38ece` ANDROID: rust: Support arrays in target JSON `4085063afb` ANDROID: rust: allow MODVERSIONS by no longer exporting symbols `e019515a16` ANDROID: rust: Select rustc-1.73.0 `ae876716fc` FROMLIST: x86: rust: Disable entry padding with Rust `b802a765fb` FROMLIST: arm64: rust: Enable Rust support for AArch64 `433a394399` FROMLIST: rust: Refactor the build target to allow the use of builtin targets `5eb6b43401` UPSTREAM: rust: Suppress searching builtin sysroot `9b8f3fdda6` UPSTREAM: rust: Ignore preserve-most functions `5341e12502` UPSTREAM: x86: Enable IBT in Rust if enabled in C `37481c8f5a` UPSTREAM: rust: upgrade to Rust 1.73.0 `42092eccd9` UPSTREAM: rust: upgrade to Rust 1.72.1 `30043aaafb` UPSTREAM: rust: arc: add explicit `drop()` around `Box::from_raw()` `3365cb02fe` UPSTREAM: rust: Use grep -Ev rather than relying on GNU grep `5dd966b03a` UPSTREAM: rust: Use awk instead of recent xargs `8a38f60333` UPSTREAM: rust: Respect HOSTCC when linking for host Fixes: `adfa541d88` ("ANDROID: rust_binder: define a Rust binder driver") Change-Id: Id70e8c42c0b2b31753998c9b5d12e5c449aeafd7 Signed-off-by: Alice Ryhl <aliceryhl@google.com>		2024-08-14 09:00:02 +00:00
..
collections	rust: upgrade to Rust 1.68.2	2023-05-31 17:35:03 +02:00
vec	ANDROID: revert Rust Binder changes in android15-6.6	2024-08-14 09:00:02 +00:00
alloc.rs	ANDROID: revert Rust Binder changes in android15-6.6	2024-08-14 09:00:02 +00:00
boxed.rs	ANDROID: revert Rust Binder changes in android15-6.6	2024-08-14 09:00:02 +00:00
lib.rs	ANDROID: revert Rust Binder changes in android15-6.6	2024-08-14 09:00:02 +00:00
raw_vec.rs	ANDROID: revert Rust Binder changes in android15-6.6	2024-08-14 09:00:02 +00:00
README.md	rust: alloc: clarify what is the upstream version	2023-05-31 16:12:06 +02:00
slice.rs	rust: upgrade to Rust 1.71.1	2023-08-14 17:50:02 +02:00

README.md

`alloc`

These source files come from the Rust standard library, hosted in the https://github.com/rust-lang/rust repository, licensed under "Apache-2.0 OR MIT" and adapted for kernel use. For copyright details, see https://github.com/rust-lang/rust/blob/master/COPYRIGHT.

Please note that these files should be kept as close as possible to upstream. In general, only additions should be performed (e.g. new methods). Eventually, changes should make it into upstream so that, at some point, this fork can be dropped from the kernel tree.

The Rust upstream version on top of which these files are based matches the output of scripts/min-tool-version.sh rustc.

Rationale

On one hand, kernel folks wanted to keep alloc in-tree to have more freedom in both workflow and actual features if actually needed (e.g. receiver types if we ended up using them), which is reasonable.

On the other hand, Rust folks wanted to keep alloc as close as upstream as possible and avoid as much divergence as possible, which is also reasonable.

We agreed on a middle-ground: we would keep a subset of alloc in-tree that would be as small and as close as possible to upstream. Then, upstream can start adding the functions that we add to alloc etc., until we reach a point where the kernel already knows exactly what it needs in alloc and all the new methods are merged into upstream, so that we can drop alloc from the kernel tree and go back to using the upstream one.

By doing this, the kernel can go a bit faster now, and Rust can slowly incorporate and discuss the changes as needed.