From 387faedb1dee2e917811acd05902cc36142a4850 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Wed, 30 Jan 2008 13:33:04 +0100
Subject: [PATCH] x86 setup: correct the base in the GDT_ENTRY() macro
The GDT_ENTRY() macro in pm.c would incorrectly cut the bottom 8 bits
off the base. We didn't define any bases with the bottom 8 bits
nonzero, so it is a non-manifest bug, but it's still a bug.
Pointed out by John Smith <johnsmith9344@gmail.com>.
Cc: John Smith <johnsmith9344@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/boot/pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/boot/pm.c b/arch/x86/boot/pm.c
index b23cbdc7d547..1a0f936c160b 100644
--- a/arch/x86/boot/pm.c
+++ b/arch/x86/boot/pm.c
@@ -104,7 +104,7 @@ static void reset_coprocessor(void)
(((u64)(base & 0xff000000) << 32) | \
((u64)flags << 40) | \
((u64)(limit & 0x00ff0000) << 32) | \
- ((u64)(base & 0x00ffff00) << 16) | \
+ ((u64)(base & 0x00ffffff) << 16) | \
((u64)(limit & 0x0000ffff)))
struct gdt_ptr {