[PATCHv7 1/8] kvm: document lapic regs field

Michael S. Tsirkin
2012-06-14T13:52:31Z

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
arch/x86/kvm/lapic.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 6f4ce25..d29da25 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -13,6 +13,11 @@ struct kvm_lapic {
u32 divide_count;
struct kvm_vcpu *vcpu;
bool irr_pending;
+ /**
+ * APIC register page. The layout matches the register layout seen by
+ * the guest 1:1, because it is accessed by the vmx microcode.
+ * Note: Only one register, the TPR, is used by the microcode.
+ */
void *regs;
gpa_t vapic_addr;
struct page *vapic_page;
--
MST