From b163fa4521c4ee1c37de53fb1ad30bc48890ff33 Mon Sep 17 00:00:00 2001
From: Stefan Lankes <stlankes@users.noreply.github.com>
Date: Sun, 20 Aug 2017 10:19:25 +0200
Subject: [PATCH] reload the segment descriptors after loading GDT

---
 arch/x86/kernel/entry.asm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/x86/kernel/entry.asm b/arch/x86/kernel/entry.asm
index fadc21c3d..28d49943b 100644
--- a/arch/x86/kernel/entry.asm
+++ b/arch/x86/kernel/entry.asm
@@ -264,6 +264,16 @@ extern gp
 ; C as 'extern void gdt_flush();'
 gdt_flush:
     lgdt [gp]
+    ; reload the segment descriptors
+    mov eax, 0x10
+    mov ds, eax
+    mov es, eax
+    mov ss, eax
+    xor eax, eax
+    mov fs, eax
+    mov gs, eax
+    jmp 0x08:flush2
+flush2:
     ret
 
 ; The first 32 interrupt service routines (ISR) entries correspond to exceptions.