On Fri, Jul 4, 2025 at 10:16 PM Tamir Duberstein <tamird@gmail.com> wrote:
>
> This series makes preparations for the replacement of our custom `CStr`
> type with the analogous type available in `core`.
>
> As this is a large migration that touches many subsystems, it will take
> place in several cycles, each of which may see multiple series:
> 1. introduces facades in the kernel crate that downstream
> code can reference. [this series]
> 2. migrate downstream code to kernel crate facades. (N series, divided
> by subsystem).
> 3. replace kernel crate facades to allow `Display`ing foreign types
> (such as `core::ffi::CStr`). Replace `CStr` with `core::ffi::CStr`.
> 4. migrate uses of `c_str!` to C-String literals. Replace references to
> `kernel::str::CStr` with `kernel::ffi::CStr`. (N series, divided by
> subsystem).
> 5. rename `c_str!` to discourage use. Remove `CStr` reexport from
> `kernel/str.rs`.
>
> Signed-off-by: Tamir Duberstein <tamird@gmail.com>
> ---
> Tamir Duberstein (6):
> rust: kernel: remove `fmt!`, fix clippy::uninlined-format-args
> rust: kernel: add `fmt` module
> rust: use `kernel::{fmt,prelude::fmt!}`
> rust: str: remove unnecessary qualification
> rust: add `CStr` methods matching `core::ffi::CStr`
> rust: use `core::ffi::CStr` method names
>
> drivers/cpufreq/rcpufreq_dt.rs | 3 +-
> drivers/gpu/nova-core/firmware.rs | 5 +-
> rust/kernel/error.rs | 8 ++--
> rust/kernel/fmt.rs | 7 +++
> rust/kernel/lib.rs | 1 +
> rust/kernel/opp.rs | 2 +-
> rust/kernel/prelude.rs | 2 +-
> rust/kernel/print.rs | 6 +--
> rust/kernel/str.rs | 97 ++++++++++++++++++++++++---------------
> samples/rust/rust_print_main.rs | 2 +-
> 10 files changed, 83 insertions(+), 50 deletions(-)
> ---
> base-commit: 769e324b66b0d92d04f315d0c45a0f72737c7494
> change-id: 20250704-core-cstr-prepare-9b9e6a7bd57e
>
> Best regards,
> --
> Tamir Duberstein <tamird@gmail.com>
>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>