clean the redundant level check when fetching shadow pte for present & non-present spte.
Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 56b88f7..735d532 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -292,16 +292,13 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu,
gva_t addr,
bool new_page = 0;
shadow_ent = ((u64 *)__va(shadow_addr)) + index;
+ if (level == PT_PAGE_TABLE_LEVEL)
+ break;
if (is_shadow_present_pte(*shadow_ent)) {
- if (level == PT_PAGE_TABLE_LEVEL)
- break;
shadow_addr = *shadow_ent & PT64_BASE_ADDR_MASK;
continue;
}
- if (level == PT_PAGE_TABLE_LEVEL)
- break;
-
if (level - 1 == PT_PAGE_TABLE_LEVEL
&& walker->level == PT_DIRECTORY_LEVEL) {
metaphysical = 1;
tlb-clean4.patch
Description: tlb-clean4.patch
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