KVM: VMX: Atomically switch efer if EPT && !EFER.NX

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When EPT is enabled, we cannot emulate EFER.NX=0 through the shadow page
tables.  This causes accesses through ptes with bit 63 set to succeed instead
of failing a reserved bit check.

Signed-off-by: Avi Kivity <avi@redhat.com>

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Avi Kivity 2010-04-28 16:42:29 +03:00

parent 61d2ef2ce3

commit 84ad33ef5d

1 changed files with 12 additions and 0 deletions

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arch/x86/kvm/vmx.c

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