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authorAvi Kivity <avi@redhat.com>2009-01-11 06:02:10 -0500
committerAvi Kivity <avi@redhat.com>2009-03-24 05:03:04 -0400
commitf6e2c02b6d28ddabe99377c5640a833407a62632 (patch)
tree57c435d07989069fd315afe48153a07ebc895f99 /arch/x86/kvm/mmu.c
parent9903a927a4aea4b1ea42356a8453fca664df0b18 (diff)
KVM: MMU: Rename "metaphysical" attribute to "direct"
This actually describes what is going on, rather than alerting the reader that something strange is going on. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r--arch/x86/kvm/mmu.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index de9a9fbc16ed..ef060ec444a4 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1066,7 +1066,7 @@ static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn)
1066 index = kvm_page_table_hashfn(gfn); 1066 index = kvm_page_table_hashfn(gfn);
1067 bucket = &kvm->arch.mmu_page_hash[index]; 1067 bucket = &kvm->arch.mmu_page_hash[index];
1068 hlist_for_each_entry(sp, node, bucket, hash_link) 1068 hlist_for_each_entry(sp, node, bucket, hash_link)
1069 if (sp->gfn == gfn && !sp->role.metaphysical 1069 if (sp->gfn == gfn && !sp->role.direct
1070 && !sp->role.invalid) { 1070 && !sp->role.invalid) {
1071 pgprintk("%s: found role %x\n", 1071 pgprintk("%s: found role %x\n",
1072 __func__, sp->role.word); 1072 __func__, sp->role.word);
@@ -1200,7 +1200,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
1200 gfn_t gfn, 1200 gfn_t gfn,
1201 gva_t gaddr, 1201 gva_t gaddr,
1202 unsigned level, 1202 unsigned level,
1203 int metaphysical, 1203 int direct,
1204 unsigned access, 1204 unsigned access,
1205 u64 *parent_pte) 1205 u64 *parent_pte)
1206{ 1206{
@@ -1213,7 +1213,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
1213 1213
1214 role = vcpu->arch.mmu.base_role; 1214 role = vcpu->arch.mmu.base_role;
1215 role.level = level; 1215 role.level = level;
1216 role.metaphysical = metaphysical; 1216 role.direct = direct;
1217 role.access = access; 1217 role.access = access;
1218 if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) { 1218 if (vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) {
1219 quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level)); 1219 quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level));
@@ -1250,7 +1250,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
1250 sp->role = role; 1250 sp->role = role;
1251 sp->global = role.cr4_pge; 1251 sp->global = role.cr4_pge;
1252 hlist_add_head(&sp->hash_link, bucket); 1252 hlist_add_head(&sp->hash_link, bucket);
1253 if (!metaphysical) { 1253 if (!direct) {
1254 if (rmap_write_protect(vcpu->kvm, gfn)) 1254 if (rmap_write_protect(vcpu->kvm, gfn))
1255 kvm_flush_remote_tlbs(vcpu->kvm); 1255 kvm_flush_remote_tlbs(vcpu->kvm);
1256 account_shadowed(vcpu->kvm, gfn); 1256 account_shadowed(vcpu->kvm, gfn);
@@ -1395,7 +1395,7 @@ static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp)
1395 kvm_mmu_page_unlink_children(kvm, sp); 1395 kvm_mmu_page_unlink_children(kvm, sp);
1396 kvm_mmu_unlink_parents(kvm, sp); 1396 kvm_mmu_unlink_parents(kvm, sp);
1397 kvm_flush_remote_tlbs(kvm); 1397 kvm_flush_remote_tlbs(kvm);
1398 if (!sp->role.invalid && !sp->role.metaphysical) 1398 if (!sp->role.invalid && !sp->role.direct)
1399 unaccount_shadowed(kvm, sp->gfn); 1399 unaccount_shadowed(kvm, sp->gfn);
1400 if (sp->unsync) 1400 if (sp->unsync)
1401 kvm_unlink_unsync_page(kvm, sp); 1401 kvm_unlink_unsync_page(kvm, sp);
@@ -1458,7 +1458,7 @@ static int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
1458 index = kvm_page_table_hashfn(gfn); 1458 index = kvm_page_table_hashfn(gfn);
1459 bucket = &kvm->arch.mmu_page_hash[index]; 1459 bucket = &kvm->arch.mmu_page_hash[index];
1460 hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) 1460 hlist_for_each_entry_safe(sp, node, n, bucket, hash_link)
1461 if (sp->gfn == gfn && !sp->role.metaphysical) { 1461 if (sp->gfn == gfn && !sp->role.direct) {
1462 pgprintk("%s: gfn %lx role %x\n", __func__, gfn, 1462 pgprintk("%s: gfn %lx role %x\n", __func__, gfn,
1463 sp->role.word); 1463 sp->role.word);
1464 r = 1; 1464 r = 1;
@@ -1478,7 +1478,7 @@ static void mmu_unshadow(struct kvm *kvm, gfn_t gfn)
1478 index = kvm_page_table_hashfn(gfn); 1478 index = kvm_page_table_hashfn(gfn);
1479 bucket = &kvm->arch.mmu_page_hash[index]; 1479 bucket = &kvm->arch.mmu_page_hash[index];
1480 hlist_for_each_entry_safe(sp, node, nn, bucket, hash_link) { 1480 hlist_for_each_entry_safe(sp, node, nn, bucket, hash_link) {
1481 if (sp->gfn == gfn && !sp->role.metaphysical 1481 if (sp->gfn == gfn && !sp->role.direct
1482 && !sp->role.invalid) { 1482 && !sp->role.invalid) {
1483 pgprintk("%s: zap %lx %x\n", 1483 pgprintk("%s: zap %lx %x\n",
1484 __func__, gfn, sp->role.word); 1484 __func__, gfn, sp->role.word);
@@ -1638,7 +1638,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
1638 bucket = &vcpu->kvm->arch.mmu_page_hash[index]; 1638 bucket = &vcpu->kvm->arch.mmu_page_hash[index];
1639 /* don't unsync if pagetable is shadowed with multiple roles */ 1639 /* don't unsync if pagetable is shadowed with multiple roles */
1640 hlist_for_each_entry_safe(s, node, n, bucket, hash_link) { 1640 hlist_for_each_entry_safe(s, node, n, bucket, hash_link) {
1641 if (s->gfn != sp->gfn || s->role.metaphysical) 1641 if (s->gfn != sp->gfn || s->role.direct)
1642 continue; 1642 continue;
1643 if (s->role.word != sp->role.word) 1643 if (s->role.word != sp->role.word)
1644 return 1; 1644 return 1;
@@ -1951,7 +1951,7 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
1951 int i; 1951 int i;
1952 gfn_t root_gfn; 1952 gfn_t root_gfn;
1953 struct kvm_mmu_page *sp; 1953 struct kvm_mmu_page *sp;
1954 int metaphysical = 0; 1954 int direct = 0;
1955 1955
1956 root_gfn = vcpu->arch.cr3 >> PAGE_SHIFT; 1956 root_gfn = vcpu->arch.cr3 >> PAGE_SHIFT;
1957 1957
@@ -1960,18 +1960,18 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
1960 1960
1961 ASSERT(!VALID_PAGE(root)); 1961 ASSERT(!VALID_PAGE(root));
1962 if (tdp_enabled) 1962 if (tdp_enabled)
1963 metaphysical = 1; 1963 direct = 1;
1964 sp = kvm_mmu_get_page(vcpu, root_gfn, 0, 1964 sp = kvm_mmu_get_page(vcpu, root_gfn, 0,
1965 PT64_ROOT_LEVEL, metaphysical, 1965 PT64_ROOT_LEVEL, direct,
1966 ACC_ALL, NULL); 1966 ACC_ALL, NULL);
1967 root = __pa(sp->spt); 1967 root = __pa(sp->spt);
1968 ++sp->root_count; 1968 ++sp->root_count;
1969 vcpu->arch.mmu.root_hpa = root; 1969 vcpu->arch.mmu.root_hpa = root;
1970 return; 1970 return;
1971 } 1971 }
1972 metaphysical = !is_paging(vcpu); 1972 direct = !is_paging(vcpu);
1973 if (tdp_enabled) 1973 if (tdp_enabled)
1974 metaphysical = 1; 1974 direct = 1;
1975 for (i = 0; i < 4; ++i) { 1975 for (i = 0; i < 4; ++i) {
1976 hpa_t root = vcpu->arch.mmu.pae_root[i]; 1976 hpa_t root = vcpu->arch.mmu.pae_root[i];
1977 1977
@@ -1985,7 +1985,7 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu)
1985 } else if (vcpu->arch.mmu.root_level == 0) 1985 } else if (vcpu->arch.mmu.root_level == 0)
1986 root_gfn = 0; 1986 root_gfn = 0;
1987 sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30, 1987 sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30,
1988 PT32_ROOT_LEVEL, metaphysical, 1988 PT32_ROOT_LEVEL, direct,
1989 ACC_ALL, NULL); 1989 ACC_ALL, NULL);
1990 root = __pa(sp->spt); 1990 root = __pa(sp->spt);
1991 ++sp->root_count; 1991 ++sp->root_count;
@@ -2487,7 +2487,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
2487 index = kvm_page_table_hashfn(gfn); 2487 index = kvm_page_table_hashfn(gfn);
2488 bucket = &vcpu->kvm->arch.mmu_page_hash[index]; 2488 bucket = &vcpu->kvm->arch.mmu_page_hash[index];
2489 hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) { 2489 hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) {
2490 if (sp->gfn != gfn || sp->role.metaphysical || sp->role.invalid) 2490 if (sp->gfn != gfn || sp->role.direct || sp->role.invalid)
2491 continue; 2491 continue;
2492 pte_size = sp->role.glevels == PT32_ROOT_LEVEL ? 4 : 8; 2492 pte_size = sp->role.glevels == PT32_ROOT_LEVEL ? 4 : 8;
2493 misaligned = (offset ^ (offset + bytes - 1)) & ~(pte_size - 1); 2493 misaligned = (offset ^ (offset + bytes - 1)) & ~(pte_size - 1);
@@ -3125,7 +3125,7 @@ static void audit_write_protection(struct kvm_vcpu *vcpu)
3125 gfn_t gfn; 3125 gfn_t gfn;
3126 3126
3127 list_for_each_entry(sp, &vcpu->kvm->arch.active_mmu_pages, link) { 3127 list_for_each_entry(sp, &vcpu->kvm->arch.active_mmu_pages, link) {
3128 if (sp->role.metaphysical) 3128 if (sp->role.direct)
3129 continue; 3129 continue;
3130 3130
3131 gfn = unalias_gfn(vcpu->kvm, sp->gfn); 3131 gfn = unalias_gfn(vcpu->kvm, sp->gfn);