diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/kvm/kvm.h | 1 | ||||
-rw-r--r-- | drivers/kvm/kvm_main.c | 4 | ||||
-rw-r--r-- | drivers/kvm/mmu.c | 43 | ||||
-rw-r--r-- | drivers/kvm/svm.c | 1 | ||||
-rw-r--r-- | drivers/kvm/vmx.c | 13 |
5 files changed, 0 insertions, 62 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 1d0be85..6e4daf4 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -158,7 +158,6 @@ struct kvm_vcpu; struct kvm_mmu { void (*new_cr3)(struct kvm_vcpu *vcpu); int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err); - void (*inval_page)(struct kvm_vcpu *vcpu, gva_t gva); void (*free)(struct kvm_vcpu *vcpu); gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva); hpa_t root_hpa; diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 7903243..cec1010 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -943,10 +943,6 @@ static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg) int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address) { - spin_lock(&vcpu->kvm->lock); - vcpu->mmu.inval_page(vcpu, address); - spin_unlock(&vcpu->kvm->lock); - kvm_arch_ops->invlpg(vcpu, address); return X86EMUL_CONTINUE; } diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index e4a20a4..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; diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 869b524..9925001 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -497,7 +497,6 @@ static void init_vmcb(struct vmcb *vmcb) /* (1ULL << INTERCEPT_SELECTIVE_CR0) | */ (1ULL << INTERCEPT_CPUID) | (1ULL << INTERCEPT_HLT) | - (1ULL << INTERCEPT_INVLPG) | (1ULL << INTERCEPT_INVLPGA) | (1ULL << INTERCEPT_IOIO_PROT) | (1ULL << INTERCEPT_MSR_PROT) | diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 2a1c37e..59178ad 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -1059,7 +1059,6 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu) | CPU_BASED_CR8_LOAD_EXITING /* 20.6.2 */ | CPU_BASED_CR8_STORE_EXITING /* 20.6.2 */ | CPU_BASED_UNCOND_IO_EXITING /* 20.6.2 */ - | CPU_BASED_INVDPG_EXITING | CPU_BASED_MOV_DR_EXITING | CPU_BASED_USE_TSC_OFFSETING /* 21.3 */ ); @@ -1438,17 +1437,6 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 0; } -static int handle_invlpg(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) -{ - u64 address = vmcs_read64(EXIT_QUALIFICATION); - int instruction_length = vmcs_read32(VM_EXIT_INSTRUCTION_LEN); - spin_lock(&vcpu->kvm->lock); - vcpu->mmu.inval_page(vcpu, address); - spin_unlock(&vcpu->kvm->lock); - vmcs_writel(GUEST_RIP, vmcs_readl(GUEST_RIP) + instruction_length); - return 1; -} - static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { u64 exit_qualification; @@ -1636,7 +1624,6 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu, [EXIT_REASON_EXCEPTION_NMI] = handle_exception, [EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt, [EXIT_REASON_IO_INSTRUCTION] = handle_io, - [EXIT_REASON_INVLPG] = handle_invlpg, [EXIT_REASON_CR_ACCESS] = handle_cr, [EXIT_REASON_DR_ACCESS] = handle_dr, [EXIT_REASON_CPUID] = handle_cpuid, |