diff options
Diffstat (limited to 'arch/x86/kvm/vmx/nested.c')
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 887283b1df43..b2f0b5e9cd63 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -745,8 +745,7 @@ static int nested_vmx_check_apicv_controls(struct kvm_vcpu *vcpu, (CC(!nested_cpu_has_vid(vmcs12)) || CC(!nested_exit_intr_ack_set(vcpu)) || CC((vmcs12->posted_intr_nv & 0xff00)) || - CC((vmcs12->posted_intr_desc_addr & 0x3f)) || - CC((vmcs12->posted_intr_desc_addr >> cpuid_maxphyaddr(vcpu))))) + CC(!kvm_vcpu_is_legal_aligned_gpa(vcpu, vmcs12->posted_intr_desc_addr, 64)))) return -EINVAL; /* tpr shadow is needed by all apicv features. */ @@ -759,13 +758,11 @@ static int nested_vmx_check_apicv_controls(struct kvm_vcpu *vcpu, static int nested_vmx_check_msr_switch(struct kvm_vcpu *vcpu, u32 count, u64 addr) { - int maxphyaddr; - if (count == 0) return 0; - maxphyaddr = cpuid_maxphyaddr(vcpu); - if (!IS_ALIGNED(addr, 16) || addr >> maxphyaddr || - (addr + count * sizeof(struct vmx_msr_entry) - 1) >> maxphyaddr) + + if (!kvm_vcpu_is_legal_aligned_gpa(vcpu, addr, 16) || + !kvm_vcpu_is_legal_gpa(vcpu, (addr + count * sizeof(struct vmx_msr_entry) - 1))) return -EINVAL; return 0; @@ -1063,14 +1060,6 @@ static void prepare_vmx_msr_autostore_list(struct kvm_vcpu *vcpu, } } -static bool nested_cr3_valid(struct kvm_vcpu *vcpu, unsigned long val) -{ - unsigned long invalid_mask; - - invalid_mask = (~0ULL) << cpuid_maxphyaddr(vcpu); - return (val & invalid_mask) == 0; -} - /* * Returns true if the MMU needs to be sync'd on nested VM-Enter/VM-Exit. * tl;dr: the MMU needs a sync if L0 is using shadow paging and L1 didn't @@ -1122,7 +1111,7 @@ static bool nested_vmx_transition_mmu_sync(struct kvm_vcpu *vcpu) static int nested_vmx_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3, bool nested_ept, enum vm_entry_failure_code *entry_failure_code) { - if (CC(!nested_cr3_valid(vcpu, cr3))) { + if (CC(kvm_vcpu_is_illegal_gpa(vcpu, cr3))) { *entry_failure_code = ENTRY_FAIL_DEFAULT; return -EINVAL; } @@ -2636,7 +2625,6 @@ static int nested_vmx_check_nmi_controls(struct vmcs12 *vmcs12) static bool nested_vmx_check_eptp(struct kvm_vcpu *vcpu, u64 new_eptp) { struct vcpu_vmx *vmx = to_vmx(vcpu); - int maxphyaddr = cpuid_maxphyaddr(vcpu); /* Check for memory type validity */ switch (new_eptp & VMX_EPTP_MT_MASK) { @@ -2667,7 +2655,7 @@ static bool nested_vmx_check_eptp(struct kvm_vcpu *vcpu, u64 new_eptp) } /* Reserved bits should not be set */ - if (CC(new_eptp >> maxphyaddr || ((new_eptp >> 7) & 0x1f))) + if (CC(kvm_vcpu_is_illegal_gpa(vcpu, new_eptp) || ((new_eptp >> 7) & 0x1f))) return false; /* AD, if set, should be supported */ @@ -2851,7 +2839,7 @@ static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu, if (CC(!nested_host_cr0_valid(vcpu, vmcs12->host_cr0)) || CC(!nested_host_cr4_valid(vcpu, vmcs12->host_cr4)) || - CC(!nested_cr3_valid(vcpu, vmcs12->host_cr3))) + CC(kvm_vcpu_is_illegal_gpa(vcpu, vmcs12->host_cr3))) return -EINVAL; if (CC(is_noncanonical_address(vmcs12->host_ia32_sysenter_esp, vcpu)) || |