docs: reflect arm-port carve-out; master is x86-only, aarch64 on branch

Mainline now carries roadmap #1-#5; the aarch64 context-switch port is a single untested commit on the arm-port branch. Update the task.md resume block and the README build section accordingly.
2026-06-07 21:54:04 +00:00
parent 518103750b
commit 024abc2e73
2 changed files with 22 additions and 15 deletions
@@ -67,8 +67,10 @@ benches/
 ## Building and running

 Standard Cargo. Requires Rust 1.95 or newer (the `#[naked]` attribute went stable
-in 1.88; we use a few unrelated post-1.88 features). x86-64 Linux only —
-ARM64 and macOS are on the deferred list because of the assembly shim and the
+in 1.88; we use a few unrelated post-1.88 features). `master` is x86-64 Linux
+only. An experimental, **untested** aarch64 context-switch backend lives on the
+`arm-port` branch (extracted into a `target_arch`-gated `src/arch/`); it has not
+been validated on hardware yet. macOS remains on the deferred list because of the
 epoll dependency.

 ```sh