[PATCH v2 0/3] rust: Add pr_*_once macros

[Jens Korinth via B4 Relay <devnull+jens.korinth.tuta.io@kernel.org>]

Add Rust version of pr_[emerg|alert|crit|err|warn|notic|info]_once
functions, which print a message only once.

v2:
- Split patch into do_once_lite part and pr_*_once macros
- Add macro rule for call without condition => renamed to do_once_lite
- Used condition-less call in pr_*_once macros
- Added examples
- Removed TODO in kernel/error.rs using pr_warn_once
v1: https://lore.kernel.org/rust-for-linux/20241106.083113.356536037967804464.fujita.tomonori@gmail.com/

Signed-off-by: Jens Korinth <jens.korinth@tuta.io>
Co-developed-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Co-developed-by: Boqun Feng <boqun.feng@gmail.com>
---
FUJITA Tomonori (1):
      rust: print: Add pr_*_once macros

Jens Korinth (2):
      rust: print: Add do_once_lite macro
      rust: error: Replace pr_warn by pr_warn_once

 rust/kernel/error.rs |   3 +-
 rust/kernel/print.rs | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 144 insertions(+), 2 deletions(-)
---
base-commit: ae7851c29747fa3765ecb722fe722117a346f988
change-id: 20241107-pr_once_macros-6438e6f5b923

Best regards,
-- 
Jens Korinth <jens.korinth@tuta.io>