Documenting use of enable_and_halt(). (#21)

2026-06-23 05:14:18 +08:00 · 2016-10-25 00:03:03 +02:00 · 2016-10-25 00:03:03 +02:00 · 76ee483cc9
commit 76ee483cc9
parent 9334cb0b78
1 changed files with 1 additions and 0 deletions
--- a/kernel/lib.rs
+++ b/kernel/lib.rs
@ -178,6 +178,7 @@ pub extern fn kmain(cpus: usize) {
            if context::switch() {
                interrupt::enable_and_nop();
            } else {
+                // Enable interrupts, then halt CPU (to save power) until the next interrupt is actually fired.
                interrupt::enable_and_halt();
            }
        }