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Diffstat (limited to 'drivers/kvm/mmu.c')
-rw-r--r--drivers/kvm/mmu.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index e4a20a45..b7b05c4 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -767,10 +767,6 @@ static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
return nonpaging_map(vcpu, addr & PAGE_MASK, paddr);
}
-static void nonpaging_inval_page(struct kvm_vcpu *vcpu, gva_t addr)
-{
-}
-
static void nonpaging_free(struct kvm_vcpu *vcpu)
{
mmu_free_roots(vcpu);
@@ -782,7 +778,6 @@ static int nonpaging_init_context(struct kvm_vcpu *vcpu)
context->new_cr3 = nonpaging_new_cr3;
context->page_fault = nonpaging_page_fault;
- context->inval_page = nonpaging_inval_page;
context->gva_to_gpa = nonpaging_gva_to_gpa;
context->free = nonpaging_free;
context->root_level = 0;
@@ -895,42 +890,6 @@ static int may_access(u64 pte, int write, int user)
return 1;
}
-/*
- * Remove a shadow pte.
- */
-static void paging_inval_page(struct kvm_vcpu *vcpu, gva_t addr)
-{
- hpa_t page_addr = vcpu->mmu.root_hpa;
- int level = vcpu->mmu.shadow_root_level;
-
- ++kvm_stat.invlpg;
-
- for (; ; level--) {
- u32 index = PT64_INDEX(addr, level);
- u64 *table = __va(page_addr);
-
- if (level == PT_PAGE_TABLE_LEVEL ) {
- rmap_remove(vcpu->kvm, &table[index]);
- table[index] = 0;
- return;
- }
-
- if (!is_present_pte(table[index]))
- return;
-
- page_addr = table[index] & PT64_BASE_ADDR_MASK;
-
- if (level == PT_DIRECTORY_LEVEL &&
- (table[index] & PT_SHADOW_PS_MARK)) {
- table[index] = 0;
- release_pt_page_64(vcpu, page_addr, PT_PAGE_TABLE_LEVEL);
-
- kvm_arch_ops->tlb_flush(vcpu);
- return;
- }
- }
-}
-
static void paging_free(struct kvm_vcpu *vcpu)
{
nonpaging_free(vcpu);
@@ -951,7 +910,6 @@ static int paging64_init_context_common(struct kvm_vcpu *vcpu, int level)
ASSERT(is_pae(vcpu));
context->new_cr3 = paging_new_cr3;
context->page_fault = paging64_page_fault;
- context->inval_page = paging_inval_page;
context->gva_to_gpa = paging64_gva_to_gpa;
context->free = paging_free;
context->root_level = level;
@@ -974,7 +932,6 @@ static int paging32_init_context(struct kvm_vcpu *vcpu)
context->new_cr3 = paging_new_cr3;
context->page_fault = paging32_page_fault;
- context->inval_page = paging_inval_page;
context->gva_to_gpa = paging32_gva_to_gpa;
context->free = paging_free;
context->root_level = PT32_ROOT_LEVEL;
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