From 1b67d8eaba4a969217c94344dcb970099ee08821 Mon Sep 17 00:00:00 2001
From: Elfein Landers <patlymlatun@mgail.com>
Date: Sat, 6 Aug 2022 20:56:08 -0700
Subject: [PATCH] documented

---
 ableos/src/arch/x86_64/interrupts.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ableos/src/arch/x86_64/interrupts.rs b/ableos/src/arch/x86_64/interrupts.rs
index 54459cd68..8813509ee 100644
--- a/ableos/src/arch/x86_64/interrupts.rs
+++ b/ableos/src/arch/x86_64/interrupts.rs
@@ -89,6 +89,15 @@ extern "x86-interrupt" fn double_fault_handler(
     // panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
 }
 
+/* SAFETY
+* DO NOT TOUCH
+* The `#[naked]` macro removes various error/bounds checks that
+* the Rust compiler would normally add.
+* *Early return* and *enabling interrupts* in this function are
+* undefined behavior.
+* As long as nothing in this function does something that would
+* normally trigger an error, this function is relatively safe.
+*/
 #[naked]
 extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: InterruptStackFrame) {
     use super::task_switcher;