From 8ce92a030829c68c967cfce185b47d8b6138e07b Mon Sep 17 00:00:00 2001
From: Eliza Weisman <eliza@elizas.website>
Date: Sat, 11 Jan 2025 10:24:12 -0800
Subject: [PATCH] fix(x86_64): remove goofy ptr2int cast in double fault stack
 (#509)

---
 src/arch/x86_64/interrupt.rs | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/arch/x86_64/interrupt.rs b/src/arch/x86_64/interrupt.rs
index 538b1413..9676603b 100644
--- a/src/arch/x86_64/interrupt.rs
+++ b/src/arch/x86_64/interrupt.rs
@@ -45,11 +45,9 @@ static mut DOUBLE_FAULT_STACK: [StackFrame; DOUBLE_FAULT_STACK_SIZE] =
 static TSS: sync::Lazy<task::StateSegment> = sync::Lazy::new(|| {
     tracing::trace!("initializing TSS..");
     let mut tss = task::StateSegment::empty();
-    tss.interrupt_stacks[Idt::DOUBLE_FAULT_IST_OFFSET] = unsafe {
-        // safety: asdf
-        VAddr::from_usize_unchecked(core::ptr::addr_of!(DOUBLE_FAULT_STACK) as usize)
-            .offset(DOUBLE_FAULT_STACK_SIZE as isize)
-    };
+    tss.interrupt_stacks[Idt::DOUBLE_FAULT_IST_OFFSET] =
+        VAddr::from_ptr(core::ptr::addr_of!(DOUBLE_FAULT_STACK))
+            .offset(DOUBLE_FAULT_STACK_SIZE as isize);
     tracing::debug!(?tss, "TSS initialized");
     tss
 });