If the is an L1 with nNPT in 32bit, the shadow walk starts with
pae_root.
Fixes:
a717a780fc4e ("KVM: x86/mmu: Support shadowing NPT when 5-level paging is enabled in host)
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Message-Id: <
20211124122055.64424-2-jiangshanlai@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
iterator->shadow_addr = root;
iterator->level = vcpu->arch.mmu->shadow_root_level;
- if (iterator->level == PT64_ROOT_4LEVEL &&
+ if (iterator->level >= PT64_ROOT_4LEVEL &&
vcpu->arch.mmu->root_level < PT64_ROOT_4LEVEL &&
!vcpu->arch.mmu->direct_map)
- --iterator->level;
+ iterator->level = PT32E_ROOT_LEVEL;
if (iterator->level == PT32E_ROOT_LEVEL) {
/*