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authorJoerg Roedel <joerg.roedel@amd.com>2010-09-10 17:30:38 +0200
committerAvi Kivity <avi@redhat.com>2010-10-24 10:52:27 +0200
commit957446afce22df9a42b9482fcd55985f4037fe66 (patch)
tree13b3965a5cb6096397ec2ed4cdd5a5a4e2ec7fe6
parent7b91409822ed37f2a58974e49498bdbe92ddd93c (diff)
downloadblackbird-op-linux-957446afce22df9a42b9482fcd55985f4037fe66.tar.gz
blackbird-op-linux-957446afce22df9a42b9482fcd55985f4037fe66.zip
KVM: MMU: Check for root_level instead of long mode
The walk_addr function checks for !is_long_mode in its 64 bit version. But what is meant here is a check for pae paging. Change the condition to really check for pae paging so that it also works with nested nested paging. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/paging_tmpl.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index debe77035366..e4ad3dc84df3 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -132,7 +132,7 @@ walk:
walker->level = vcpu->arch.mmu.root_level;
pte = vcpu->arch.cr3;
#if PTTYPE == 64
- if (!is_long_mode(vcpu)) {
+ if (vcpu->arch.mmu.root_level == PT32E_ROOT_LEVEL) {
pte = kvm_pdptr_read(vcpu, (addr >> 30) & 3);
trace_kvm_mmu_paging_element(pte, walker->level);
if (!is_present_gpte(pte)) {
@@ -205,7 +205,7 @@ walk:
(PTTYPE == 64 || is_pse(vcpu))) ||
((walker->level == PT_PDPE_LEVEL) &&
is_large_pte(pte) &&
- is_long_mode(vcpu))) {
+ vcpu->arch.mmu.root_level == PT64_ROOT_LEVEL)) {
int lvl = walker->level;
walker->gfn = gpte_to_gfn_lvl(pte, lvl);
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