From f0a1d9bfa56fa950df4da4ac2d55c1ce61701332 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 14 Feb 2021 17:38:44 +0100
Subject: [PATCH] Kernel: Mark the x86 IDT as READONLY_AFTER_INIT

We never need to modify the interrupt descriptor table after finishing
initialization, so let's make it an error to do so.
---
 Kernel/Arch/i386/CPU.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kernel/Arch/i386/CPU.cpp b/Kernel/Arch/i386/CPU.cpp
index 0edf37de65..be33b7f063 100644
--- a/Kernel/Arch/i386/CPU.cpp
+++ b/Kernel/Arch/i386/CPU.cpp
@@ -58,8 +58,8 @@ extern FlatPtr end_of_ro_after_init;
 
 namespace Kernel {
 
-static DescriptorTablePointer s_idtr;
-static Descriptor s_idt[256];
+READONLY_AFTER_INIT static DescriptorTablePointer s_idtr;
+READONLY_AFTER_INIT static Descriptor s_idt[256];
 
 static GenericInterruptHandler* s_interrupt_handler[GENERIC_INTERRUPT_HANDLERS_COUNT];