KVM: x86/mmu: Allocate PAE root array when using SVM's 32-bit NPT

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SVM's Nested Page Tables (NPT) reuses x86 paging for the host-controlled
page walk.  For 32-bit KVM, this means PAE paging is used even when TDP
is enabled, i.e. the PAE root array needs to be allocated.

Fixes: ee6268ba3a ("KVM: x86: Skip pae_root shadow allocation if tdp enabled")
Cc: stable@vger.kernel.org
Reported-by: Jiri Palecek <jpalecek@web.de>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2019-06-13 10:22:23 -07:00 • committed by Paolo Bonzini

parent 6ca00dfafd

commit b6b80c78af

1 changed files with 10 additions and 6 deletions

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arch/x86/kvm/mmu.c

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