KVM: VMX: Use shadow TPR/cr8 for 64-bits guests
authorYang, Sheng <sheng.yang@intel.com>
Wed, 12 Sep 2007 10:03:11 +0000 (18:03 +0800)
committerAvi Kivity <avi@qumranet.com>
Sat, 13 Oct 2007 08:18:26 +0000 (10:18 +0200)
commit6e5d865c0b9679b00b5e5f0754c9fc2b6b9894d6
tree1b8133926578a16f8849143da5a7d5a6d9e67b24
parent2a8067f17b8442ecce0b14e134823020ff33b4fa
KVM: VMX: Use shadow TPR/cr8 for 64-bits guests

This patch enables TPR shadow of VMX on CR8 access. 64bit Windows using
CR8 access TPR frequently. The TPR shadow can improve the performance of
access TPR by not causing vmexit.

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
drivers/kvm/irq.h
drivers/kvm/lapic.c
drivers/kvm/vmx.c
drivers/kvm/vmx.h