---

yaml --- r: 44435 b: refs/heads/master c: 8c7bb72 h: refs/heads/master i: 44433: 931e5ff 44431: 70b3ea0 v: v3
git-mirror · Dec 13, 2006 · 2f883a2 · 2f883a2
1 parent 854ef5e
commit 2f883a2
Show file tree

Hide file tree

Showing 3 changed files with 10 additions and 29 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0770b19b94ed8fc97e1fcac91c320ec738919628
+refs/heads/master: 8c7bb723b4e36dbd4b144176116d126104dc65e0
diff --git a/trunk/drivers/kvm/mmu.c b/trunk/drivers/kvm/mmu.c
@@ -61,22 +61,9 @@
 
 
 #define PT32_PTE_COPY_MASK \
-	(PT_PRESENT_MASK | PT_PWT_MASK | PT_PCD_MASK | \
-	PT_ACCESSED_MASK | PT_DIRTY_MASK | PT_PAT_MASK | \
-	PT_GLOBAL_MASK )
-
-#define PT32_NON_PTE_COPY_MASK \
-	(PT_PRESENT_MASK | PT_PWT_MASK | PT_PCD_MASK | \
-	PT_ACCESSED_MASK | PT_DIRTY_MASK)
-
-
-#define PT64_PTE_COPY_MASK \
-	(PT64_NX_MASK | PT32_PTE_COPY_MASK)
-
-#define PT64_NON_PTE_COPY_MASK \
-	(PT64_NX_MASK | PT32_NON_PTE_COPY_MASK)
-
+	(PT_PRESENT_MASK | PT_ACCESSED_MASK | PT_DIRTY_MASK | PT_GLOBAL_MASK)
 
+#define PT64_PTE_COPY_MASK (PT64_NX_MASK | PT32_PTE_COPY_MASK)
 
 #define PT_FIRST_AVAIL_BITS_SHIFT 9
 #define PT64_SECOND_AVAIL_BITS_SHIFT 52

diff --git a/trunk/drivers/kvm/paging_tmpl.h b/trunk/drivers/kvm/paging_tmpl.h
@@ -32,7 +32,6 @@
 	#define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level)
 	#define PT_LEVEL_MASK(level) PT64_LEVEL_MASK(level)
 	#define PT_PTE_COPY_MASK PT64_PTE_COPY_MASK
-	#define PT_NON_PTE_COPY_MASK PT64_NON_PTE_COPY_MASK
 #elif PTTYPE == 32
 	#define pt_element_t u32
 	#define guest_walker guest_walker32
@@ -43,7 +42,6 @@
 	#define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level)
 	#define PT_LEVEL_MASK(level) PT32_LEVEL_MASK(level)
 	#define PT_PTE_COPY_MASK PT32_PTE_COPY_MASK
-	#define PT_NON_PTE_COPY_MASK PT32_NON_PTE_COPY_MASK
 #else
 	#error Invalid PTTYPE value
 #endif
@@ -105,9 +103,7 @@ static void FNAME(set_pde)(struct kvm_vcpu *vcpu, u64 guest_pde,
 	if (PTTYPE == 32 && is_cpuid_PSE36())
 		gaddr |= (guest_pde & PT32_DIR_PSE36_MASK) <<
 			(32 - PT32_DIR_PSE36_SHIFT);
-	*shadow_pte = (guest_pde & (PT_NON_PTE_COPY_MASK | PT_GLOBAL_MASK)) |
-		          ((guest_pde & PT_DIR_PAT_MASK) >>
-			            (PT_DIR_PAT_SHIFT - PT_PAT_SHIFT));
+	*shadow_pte = guest_pde & PT_PTE_COPY_MASK;
 	set_pte_common(vcpu, shadow_pte, gaddr,
 		       guest_pde & PT_DIRTY_MASK, access_bits);
 }
@@ -162,6 +158,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 		u32 index = SHADOW_PT_INDEX(addr, level);
 		u64 *shadow_ent = ((u64 *)__va(shadow_addr)) + index;
 		pt_element_t *guest_ent;
+		u64 shadow_pte;
 
 		if (is_present_pte(*shadow_ent) || is_io_pte(*shadow_ent)) {
 			if (level == PT_PAGE_TABLE_LEVEL)
@@ -204,14 +201,11 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 		shadow_addr = kvm_mmu_alloc_page(vcpu, shadow_ent);
 		if (!VALID_PAGE(shadow_addr))
 			return ERR_PTR(-ENOMEM);
-		if (!kvm_arch_ops->is_long_mode(vcpu) && level == 3)
-			*shadow_ent = shadow_addr |
-				(*guest_ent & (PT_PRESENT_MASK | PT_PWT_MASK | PT_PCD_MASK));
-		else {
-			*shadow_ent = shadow_addr |
-				(*guest_ent & PT_NON_PTE_COPY_MASK);
-			*shadow_ent |= (PT_WRITABLE_MASK | PT_USER_MASK);
-		}
+		shadow_pte = shadow_addr | PT_PRESENT_MASK;
+		if (vcpu->mmu.root_level > 3 || level != 3)
+			shadow_pte |= PT_ACCESSED_MASK
+				| PT_WRITABLE_MASK | PT_USER_MASK;
+		*shadow_ent = shadow_pte;
 		prev_shadow_ent = shadow_ent;
 	}
 }