x86: remove pointless comments

[cascardo/linux.git] / arch / x86 / boot / pm.c

diff --git a/arch/x86/boot/pm.c b/arch/x86/boot/pm.c
index 09fb342..328956f 100644 (file)
--- a/arch/x86/boot/pm.c
+++ b/arch/x86/boot/pm.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/pm.c
- *
  * Prepare the machine for transition to protected mode.
  */
 
@@ -100,11 +98,11 @@ static void reset_coprocessor(void)
 /*
  * Set up the GDT
  */
-#define GDT_ENTRY(flags,base,limit)            \
+#define GDT_ENTRY(flags, base, limit)          \
        (((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 {
@@ -121,6 +119,10 @@ static void setup_gdt(void)
                [GDT_ENTRY_BOOT_CS] = GDT_ENTRY(0xc09b, 0, 0xfffff),
                /* DS: data, read/write, 4 GB, base 0 */
                [GDT_ENTRY_BOOT_DS] = GDT_ENTRY(0xc093, 0, 0xfffff),
+               /* TSS: 32-bit tss, 104 bytes, base 4096 */
+               /* We only have a TSS here to keep Intel VT happy;
+                  we don't actually use it for anything. */
+               [GDT_ENTRY_BOOT_TSS] = GDT_ENTRY(0x0089, 4096, 103),
        };
        /* Xen HVM incorrectly stores a pointer to the gdt_ptr, instead
           of the gdt_ptr contents.  Thus, make it static so it will