KVM: move segment_base() into vmx.c

segment_base() is used only by vmx so move it there.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2010-02-25 12:43:09 +02:00
committed by Avi Kivity
parent 254d4d48a5
commit 2d49ec72d3
3 changed files with 37 additions and 39 deletions

View File

@@ -223,36 +223,6 @@ static void drop_user_return_notifiers(void *ignore)
kvm_on_user_return(&smsr->urn);
}
unsigned long segment_base(u16 selector)
{
struct desc_ptr gdt;
struct desc_struct *d;
unsigned long table_base;
unsigned long v;
if (!(selector & ~3))
return 0;
native_store_gdt(&gdt);
table_base = gdt.address;
if (selector & 4) { /* from ldt */
u16 ldt_selector = kvm_read_ldt();
if (!(ldt_selector & ~3))
return 0;
table_base = segment_base(ldt_selector);
}
d = (struct desc_struct *)(table_base + (selector & ~7));
v = get_desc_base(d);
#ifdef CONFIG_X86_64
if (d->s == 0 && (d->type == 2 || d->type == 9 || d->type == 11))
v |= ((unsigned long)((struct ldttss_desc64 *)d)->base3) << 32;
#endif
return v;
}
EXPORT_SYMBOL_GPL(segment_base);
u64 kvm_get_apic_base(struct kvm_vcpu *vcpu)
{
if (irqchip_in_kernel(vcpu->kvm))