KVM: MMU: Fix nx access bit for huge pages
We must set the bit before the shift, otherwise the wrong bit gets set. Signed-off-by: Avi Kivity <avi@qumranet.com>
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@ -382,9 +382,9 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
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metaphysical = 1;
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hugepage_access = walker->pte;
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hugepage_access &= PT_USER_MASK | PT_WRITABLE_MASK;
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hugepage_access >>= PT_WRITABLE_SHIFT;
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if (walker->pte & PT64_NX_MASK)
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hugepage_access |= (1 << 2);
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hugepage_access >>= PT_WRITABLE_SHIFT;
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table_gfn = (walker->pte & PT_BASE_ADDR_MASK)
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>> PAGE_SHIFT;
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} else {
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