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authorLadi Prosek <lprosek@redhat.com>2017-03-23 07:18:08 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2017-03-28 10:10:15 +0200
commit7ad658b693536741c37b16aeb07840a2ce75f5b9 (patch)
tree7b865d5e02a05db83e9684bafad0ebf5fe0e8ea3 /arch/xtensa
parent0292e169b2d9c8377a168778f0b16eadb1f578fd (diff)
KVM: nVMX: fix nested EPT detection
The nested_ept_enabled flag introduced in commit 7ca29de2136 was not computed correctly. We are interested only in L1's EPT state, not the the combined L0+L1 value. In particular, if L0 uses EPT but L1 does not, nested_ept_enabled must be false to make sure that PDPSTRs are loaded based on CR3 as usual, because the special case described in 26.3.2.4 Loading Page-Directory- Pointer-Table Entries does not apply. Fixes: 7ca29de21362 ("KVM: nVMX: fix CR3 load if L2 uses PAE paging and EPT") Cc: qemu-stable@nongnu.org Reported-by: Wanpeng Li <wanpeng.li@hotmail.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Ladi Prosek <lprosek@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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