The immediate motivation is the Tyr reset infrastructure [1] which needs to serialize reset sensitive hardware access against reset and teardown paths. That reset series started to require too many independent dependencies, so this SRCU support is split out as a standalone Rust API to keep the reset series focused on the reset logic and easier to review, rebase and land.
[1]: https://lore.kernel.org/all/[email protected]/ Onur Özkan (3): rust: helpers: add SRCU helpers rust: sync: add SRCU abstraction MAINTAINERS: add Rust SRCU files to SRCU entry MAINTAINERS | 3 + rust/helpers/helpers.c | 1 + rust/helpers/srcu.c | 24 ++++++++ rust/kernel/sync.rs | 2 + rust/kernel/sync/srcu.rs | 121 +++++++++++++++++++++++++++++++++++++++ 5 files changed, 151 insertions(+) create mode 100644 rust/helpers/srcu.c create mode 100644 rust/kernel/sync/srcu.rs -- 2.51.2
