forked from luck/tmp_suning_uos_patched
KVM: nVMX: call kvm_skip_emulated_instruction in nested_vmx_{fail,succeed}
... as every invocation of nested_vmx_{fail,succeed} is immediately followed by a call to kvm_skip_emulated_instruction(). This saves a bit of code and eliminates some silly paths, e.g. nested_vmx_run() ended up with a goto label purely used to call and return kvm_skip_emulated_instruction(). Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Reviewed-by: Jim Mattson <jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
c37a6116d8
commit
09abb5e3e5
|
@ -8060,35 +8060,37 @@ static int handle_monitor(struct kvm_vcpu *vcpu)
|
|||
|
||||
/*
|
||||
* The following 3 functions, nested_vmx_succeed()/failValid()/failInvalid(),
|
||||
* set the success or error code of an emulated VMX instruction, as specified
|
||||
* by Vol 2B, VMX Instruction Reference, "Conventions".
|
||||
* set the success or error code of an emulated VMX instruction (as specified
|
||||
* by Vol 2B, VMX Instruction Reference, "Conventions"), and skip the emulated
|
||||
* instruction.
|
||||
*/
|
||||
static void nested_vmx_succeed(struct kvm_vcpu *vcpu)
|
||||
static int nested_vmx_succeed(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
vmx_set_rflags(vcpu, vmx_get_rflags(vcpu)
|
||||
& ~(X86_EFLAGS_CF | X86_EFLAGS_PF | X86_EFLAGS_AF |
|
||||
X86_EFLAGS_ZF | X86_EFLAGS_SF | X86_EFLAGS_OF));
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
static void nested_vmx_failInvalid(struct kvm_vcpu *vcpu)
|
||||
static int nested_vmx_failInvalid(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
vmx_set_rflags(vcpu, (vmx_get_rflags(vcpu)
|
||||
& ~(X86_EFLAGS_PF | X86_EFLAGS_AF | X86_EFLAGS_ZF |
|
||||
X86_EFLAGS_SF | X86_EFLAGS_OF))
|
||||
| X86_EFLAGS_CF);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
static void nested_vmx_failValid(struct kvm_vcpu *vcpu,
|
||||
u32 vm_instruction_error)
|
||||
static int nested_vmx_failValid(struct kvm_vcpu *vcpu,
|
||||
u32 vm_instruction_error)
|
||||
{
|
||||
if (to_vmx(vcpu)->nested.current_vmptr == -1ull) {
|
||||
/*
|
||||
* failValid writes the error number to the current VMCS, which
|
||||
* can't be done there isn't a current VMCS.
|
||||
*/
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return;
|
||||
}
|
||||
/*
|
||||
* failValid writes the error number to the current VMCS, which
|
||||
* can't be done if there isn't a current VMCS.
|
||||
*/
|
||||
if (to_vmx(vcpu)->nested.current_vmptr == -1ull)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
vmx_set_rflags(vcpu, (vmx_get_rflags(vcpu)
|
||||
& ~(X86_EFLAGS_CF | X86_EFLAGS_PF | X86_EFLAGS_AF |
|
||||
X86_EFLAGS_SF | X86_EFLAGS_OF))
|
||||
|
@ -8098,6 +8100,7 @@ static void nested_vmx_failValid(struct kvm_vcpu *vcpu,
|
|||
* We don't need to force a shadow sync because
|
||||
* VM_INSTRUCTION_ERROR is not shadowed
|
||||
*/
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
static void nested_vmx_abort(struct kvm_vcpu *vcpu, u32 indicator)
|
||||
|
@ -8339,10 +8342,9 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
|
|||
return 1;
|
||||
}
|
||||
|
||||
if (vmx->nested.vmxon) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_VMXON_IN_VMX_ROOT_OPERATION);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (vmx->nested.vmxon)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMXON_IN_VMX_ROOT_OPERATION);
|
||||
|
||||
if ((vmx->msr_ia32_feature_control & VMXON_NEEDED_FEATURES)
|
||||
!= VMXON_NEEDED_FEATURES) {
|
||||
|
@ -8361,21 +8363,17 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
|
|||
* Note - IA32_VMX_BASIC[48] will never be 1 for the nested case;
|
||||
* which replaces physical address width with 32
|
||||
*/
|
||||
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu)))
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
page = kvm_vcpu_gpa_to_page(vcpu, vmptr);
|
||||
if (is_error_page(page)) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (is_error_page(page))
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
if (*(u32 *)kmap(page) != VMCS12_REVISION) {
|
||||
kunmap(page);
|
||||
kvm_release_page_clean(page);
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
}
|
||||
kunmap(page);
|
||||
kvm_release_page_clean(page);
|
||||
|
@ -8385,8 +8383,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
|
|||
if (ret)
|
||||
return ret;
|
||||
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -8486,8 +8483,7 @@ static int handle_vmoff(struct kvm_vcpu *vcpu)
|
|||
if (!nested_vmx_check_permission(vcpu))
|
||||
return 1;
|
||||
free_nested(to_vmx(vcpu));
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
/* Emulate the VMCLEAR instruction */
|
||||
|
@ -8503,15 +8499,13 @@ static int handle_vmclear(struct kvm_vcpu *vcpu)
|
|||
if (nested_vmx_get_vmptr(vcpu, &vmptr))
|
||||
return 1;
|
||||
|
||||
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_VMCLEAR_INVALID_ADDRESS);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu)))
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMCLEAR_INVALID_ADDRESS);
|
||||
|
||||
if (vmptr == vmx->nested.vmxon_ptr) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_VMCLEAR_VMXON_POINTER);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (vmptr == vmx->nested.vmxon_ptr)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMCLEAR_VMXON_POINTER);
|
||||
|
||||
if (vmptr == vmx->nested.current_vmptr)
|
||||
nested_release_vmcs12(vmx);
|
||||
|
@ -8520,8 +8514,7 @@ static int handle_vmclear(struct kvm_vcpu *vcpu)
|
|||
vmptr + offsetof(struct vmcs12, launch_state),
|
||||
&zero, sizeof(zero));
|
||||
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch);
|
||||
|
@ -8677,20 +8670,6 @@ static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx)
|
|||
vmcs_load(vmx->loaded_vmcs->vmcs);
|
||||
}
|
||||
|
||||
/*
|
||||
* VMX instructions which assume a current vmcs12 (i.e., that VMPTRLD was
|
||||
* used before) all generate the same failure when it is missing.
|
||||
*/
|
||||
static int nested_vmx_check_vmcs12(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct vcpu_vmx *vmx = to_vmx(vcpu);
|
||||
if (vmx->nested.current_vmptr == -1ull) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int handle_vmread(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
unsigned long field;
|
||||
|
@ -8703,8 +8682,8 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
|
|||
if (!nested_vmx_check_permission(vcpu))
|
||||
return 1;
|
||||
|
||||
if (!nested_vmx_check_vmcs12(vcpu))
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
if (to_vmx(vcpu)->nested.current_vmptr == -1ull)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
if (!is_guest_mode(vcpu))
|
||||
vmcs12 = get_vmcs12(vcpu);
|
||||
|
@ -8713,20 +8692,18 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
|
|||
* When vmcs->vmcs_link_pointer is -1ull, any VMREAD
|
||||
* to shadowed-field sets the ALU flags for VMfailInvalid.
|
||||
*/
|
||||
if (get_vmcs12(vcpu)->vmcs_link_pointer == -1ull) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (get_vmcs12(vcpu)->vmcs_link_pointer == -1ull)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
vmcs12 = get_shadow_vmcs12(vcpu);
|
||||
}
|
||||
|
||||
/* Decode instruction info and find the field to read */
|
||||
field = kvm_register_readl(vcpu, (((vmx_instruction_info) >> 28) & 0xf));
|
||||
/* Read the field, zero-extended to a u64 field_value */
|
||||
if (vmcs12_read_any(vmcs12, field, &field_value) < 0) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_UNSUPPORTED_VMCS_COMPONENT);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (vmcs12_read_any(vmcs12, field, &field_value) < 0)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_UNSUPPORTED_VMCS_COMPONENT);
|
||||
|
||||
/*
|
||||
* Now copy part of this value to register or memory, as requested.
|
||||
* Note that the number of bits actually copied is 32 or 64 depending
|
||||
|
@ -8744,8 +8721,7 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
|
|||
(is_long_mode(vcpu) ? 8 : 4), NULL);
|
||||
}
|
||||
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
|
||||
|
@ -8770,8 +8746,8 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
|
|||
if (!nested_vmx_check_permission(vcpu))
|
||||
return 1;
|
||||
|
||||
if (!nested_vmx_check_vmcs12(vcpu))
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
if (vmx->nested.current_vmptr == -1ull)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
if (vmx_instruction_info & (1u << 10))
|
||||
field_value = kvm_register_readl(vcpu,
|
||||
|
@ -8794,11 +8770,9 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
|
|||
* VMCS," then the "read-only" fields are actually read/write.
|
||||
*/
|
||||
if (vmcs_field_readonly(field) &&
|
||||
!nested_cpu_has_vmwrite_any_field(vcpu)) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
!nested_cpu_has_vmwrite_any_field(vcpu))
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMWRITE_READ_ONLY_VMCS_COMPONENT);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
if (!is_guest_mode(vcpu))
|
||||
vmcs12 = get_vmcs12(vcpu);
|
||||
|
@ -8807,18 +8781,14 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
|
|||
* When vmcs->vmcs_link_pointer is -1ull, any VMWRITE
|
||||
* to shadowed-field sets the ALU flags for VMfailInvalid.
|
||||
*/
|
||||
if (get_vmcs12(vcpu)->vmcs_link_pointer == -1ull) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (get_vmcs12(vcpu)->vmcs_link_pointer == -1ull)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
vmcs12 = get_shadow_vmcs12(vcpu);
|
||||
|
||||
}
|
||||
|
||||
if (vmcs12_write_any(vmcs12, field, field_value) < 0) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_UNSUPPORTED_VMCS_COMPONENT);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (vmcs12_write_any(vmcs12, field, field_value) < 0)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_UNSUPPORTED_VMCS_COMPONENT);
|
||||
|
||||
/*
|
||||
* Do not track vmcs12 dirty-state if in guest-mode
|
||||
|
@ -8840,8 +8810,7 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
|
|||
}
|
||||
}
|
||||
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
static void set_current_vmptr(struct vcpu_vmx *vmx, gpa_t vmptr)
|
||||
|
@ -8869,33 +8838,29 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu)
|
|||
if (nested_vmx_get_vmptr(vcpu, &vmptr))
|
||||
return 1;
|
||||
|
||||
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_INVALID_ADDRESS);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu)))
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMPTRLD_INVALID_ADDRESS);
|
||||
|
||||
if (vmptr == vmx->nested.vmxon_ptr) {
|
||||
nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_VMXON_POINTER);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (vmptr == vmx->nested.vmxon_ptr)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMPTRLD_VMXON_POINTER);
|
||||
|
||||
if (vmx->nested.current_vmptr != vmptr) {
|
||||
struct vmcs12 *new_vmcs12;
|
||||
struct page *page;
|
||||
page = kvm_vcpu_gpa_to_page(vcpu, vmptr);
|
||||
if (is_error_page(page)) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (is_error_page(page))
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
new_vmcs12 = kmap(page);
|
||||
if (new_vmcs12->hdr.revision_id != VMCS12_REVISION ||
|
||||
(new_vmcs12->hdr.shadow_vmcs &&
|
||||
!nested_cpu_has_vmx_shadow_vmcs(vcpu))) {
|
||||
kunmap(page);
|
||||
kvm_release_page_clean(page);
|
||||
nested_vmx_failValid(vcpu,
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
nested_release_vmcs12(vmx);
|
||||
|
@ -8910,8 +8875,7 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu)
|
|||
set_current_vmptr(vmx, vmptr);
|
||||
}
|
||||
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
/* Emulate the VMPTRST instruction */
|
||||
|
@ -8934,8 +8898,7 @@ static int handle_vmptrst(struct kvm_vcpu *vcpu)
|
|||
kvm_inject_page_fault(vcpu, &e);
|
||||
return 1;
|
||||
}
|
||||
nested_vmx_succeed(vcpu);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
/* Emulate the INVEPT instruction */
|
||||
|
@ -8965,11 +8928,9 @@ static int handle_invept(struct kvm_vcpu *vcpu)
|
|||
|
||||
types = (vmx->nested.msrs.ept_caps >> VMX_EPT_EXTENT_SHIFT) & 6;
|
||||
|
||||
if (type >= 32 || !(types & (1 << type))) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
if (type >= 32 || !(types & (1 << type)))
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
/* According to the Intel VMX instruction reference, the memory
|
||||
* operand is read even if it isn't needed (e.g., for type==global)
|
||||
|
@ -8991,14 +8952,13 @@ static int handle_invept(struct kvm_vcpu *vcpu)
|
|||
case VMX_EPT_EXTENT_CONTEXT:
|
||||
kvm_mmu_sync_roots(vcpu);
|
||||
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
|
||||
nested_vmx_succeed(vcpu);
|
||||
break;
|
||||
default:
|
||||
BUG_ON(1);
|
||||
break;
|
||||
}
|
||||
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
static u16 nested_get_vpid02(struct kvm_vcpu *vcpu)
|
||||
|
@ -9037,11 +8997,9 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
|
|||
types = (vmx->nested.msrs.vpid_caps &
|
||||
VMX_VPID_EXTENT_SUPPORTED_MASK) >> 8;
|
||||
|
||||
if (type >= 32 || !(types & (1 << type))) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
if (type >= 32 || !(types & (1 << type)))
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
/* according to the intel vmx instruction reference, the memory
|
||||
* operand is read even if it isn't needed (e.g., for type==global)
|
||||
|
@ -9053,21 +9011,17 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
|
|||
kvm_inject_page_fault(vcpu, &e);
|
||||
return 1;
|
||||
}
|
||||
if (operand.vpid >> 16) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
if (operand.vpid >> 16)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
vpid02 = nested_get_vpid02(vcpu);
|
||||
switch (type) {
|
||||
case VMX_VPID_EXTENT_INDIVIDUAL_ADDR:
|
||||
if (!operand.vpid ||
|
||||
is_noncanonical_address(operand.gla, vcpu)) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
is_noncanonical_address(operand.gla, vcpu))
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
if (cpu_has_vmx_invvpid_individual_addr()) {
|
||||
__invvpid(VMX_VPID_EXTENT_INDIVIDUAL_ADDR,
|
||||
vpid02, operand.gla);
|
||||
|
@ -9076,11 +9030,9 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
|
|||
break;
|
||||
case VMX_VPID_EXTENT_SINGLE_CONTEXT:
|
||||
case VMX_VPID_EXTENT_SINGLE_NON_GLOBAL:
|
||||
if (!operand.vpid) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
if (!operand.vpid)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
__vmx_flush_tlb(vcpu, vpid02, false);
|
||||
break;
|
||||
case VMX_VPID_EXTENT_ALL_CONTEXT:
|
||||
|
@ -9091,9 +9043,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
|
|||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
nested_vmx_succeed(vcpu);
|
||||
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
return nested_vmx_succeed(vcpu);
|
||||
}
|
||||
|
||||
static int handle_invpcid(struct kvm_vcpu *vcpu)
|
||||
|
@ -12806,8 +12756,8 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
|
|||
if (!nested_vmx_check_permission(vcpu))
|
||||
return 1;
|
||||
|
||||
if (!nested_vmx_check_vmcs12(vcpu))
|
||||
goto out;
|
||||
if (vmx->nested.current_vmptr == -1ull)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
vmcs12 = get_vmcs12(vcpu);
|
||||
|
||||
|
@ -12817,10 +12767,8 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
|
|||
* rather than RFLAGS.ZF, and no error number is stored to the
|
||||
* VM-instruction error field.
|
||||
*/
|
||||
if (vmcs12->hdr.shadow_vmcs) {
|
||||
nested_vmx_failInvalid(vcpu);
|
||||
goto out;
|
||||
}
|
||||
if (vmcs12->hdr.shadow_vmcs)
|
||||
return nested_vmx_failInvalid(vcpu);
|
||||
|
||||
if (enable_shadow_vmcs)
|
||||
copy_shadow_to_vmcs12(vmx);
|
||||
|
@ -12835,24 +12783,18 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
|
|||
* for misconfigurations which will anyway be caught by the processor
|
||||
* when using the merged vmcs02.
|
||||
*/
|
||||
if (interrupt_shadow & KVM_X86_SHADOW_INT_MOV_SS) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS);
|
||||
goto out;
|
||||
}
|
||||
if (interrupt_shadow & KVM_X86_SHADOW_INT_MOV_SS)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS);
|
||||
|
||||
if (vmcs12->launch_state == launch) {
|
||||
nested_vmx_failValid(vcpu,
|
||||
if (vmcs12->launch_state == launch)
|
||||
return nested_vmx_failValid(vcpu,
|
||||
launch ? VMXERR_VMLAUNCH_NONCLEAR_VMCS
|
||||
: VMXERR_VMRESUME_NONLAUNCHED_VMCS);
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = check_vmentry_prereqs(vcpu, vmcs12);
|
||||
if (ret) {
|
||||
nested_vmx_failValid(vcpu, ret);
|
||||
goto out;
|
||||
}
|
||||
if (ret)
|
||||
return nested_vmx_failValid(vcpu, ret);
|
||||
|
||||
/*
|
||||
* We're finally done with prerequisite checking, and can start with
|
||||
|
@ -12891,9 +12833,6 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
|
|||
return kvm_vcpu_halt(vcpu);
|
||||
}
|
||||
return 1;
|
||||
|
||||
out:
|
||||
return kvm_skip_emulated_instruction(vcpu);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -13622,7 +13561,7 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
|
|||
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* After an early L2 VM-entry failure, we're now back
|
||||
* in L1 which thinks it just finished a VMLAUNCH or
|
||||
|
@ -13630,9 +13569,7 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
|
|||
* flag and the VM-instruction error field of the VMCS
|
||||
* accordingly, and skip the emulated instruction.
|
||||
*/
|
||||
nested_vmx_failValid(vcpu, VMXERR_ENTRY_INVALID_CONTROL_FIELD);
|
||||
|
||||
kvm_skip_emulated_instruction(vcpu);
|
||||
(void)nested_vmx_failValid(vcpu, VMXERR_ENTRY_INVALID_CONTROL_FIELD);
|
||||
|
||||
/*
|
||||
* Restore L1's host state to KVM's software model. We're here
|
||||
|
|
Loading…
Reference in New Issue
Block a user