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KVM: MMU: Merge shadow level check in FNAME(fetch)
Remove the redundant level check when fetching shadow pte for present & non-present spte. Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
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1 changed files with 2 additions and 5 deletions
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@ -300,16 +300,13 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
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bool new_page = 0;
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shadow_ent = ((u64 *)__va(shadow_addr)) + index;
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if (level == PT_PAGE_TABLE_LEVEL)
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break;
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if (is_shadow_present_pte(*shadow_ent)) {
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if (level == PT_PAGE_TABLE_LEVEL)
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break;
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shadow_addr = *shadow_ent & PT64_BASE_ADDR_MASK;
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continue;
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}
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if (level == PT_PAGE_TABLE_LEVEL)
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break;
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if (level - 1 == PT_PAGE_TABLE_LEVEL
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&& walker->level == PT_DIRECTORY_LEVEL) {
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metaphysical = 1;
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