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authorGui Jianfeng <guijianfeng@cn.fujitsu.com>2010-05-31 17:11:39 +0800
committerAvi Kivity <avi@redhat.com>2010-08-01 10:39:24 +0300
commitb66d80006e415ee083e59c9429911eab78047f8f (patch)
tree0b8ab6cd2f728ab21e05361ce7ff5f1a3c0d3056
parent316b95216e277cdb22bd65346f9b9d9e10d0f53d (diff)
KVM: MMU: Don't calculate quadrant if tdp_enabled
There's no need to calculate quadrant if tdp is enabled. Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/x86/kvm/mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 69d40a6e1e68..d3cd102aee26 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1378,7 +1378,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
if (role.direct)
role.cr4_pae = 0;
role.access = access;
- if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
+ if (!tdp_enabled && vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));
quadrant &= (1 << ((PT32_PT_BITS - PT64_PT_BITS) * level)) - 1;
role.quadrant = quadrant;