diff options
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 8981654ad06..29b49f09a01 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -801,8 +801,9 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu, unsigned nr, return; } - if (nr == BP_VECTOR || nr == OF_VECTOR) { - vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, 1); + if (kvm_exception_is_soft(nr)) { + vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, + vmx->vcpu.arch.event_exit_inst_len); intr_info |= INTR_TYPE_SOFT_EXCEPTION; } else intr_info |= INTR_TYPE_HARD_EXCEPTION; @@ -2445,9 +2446,11 @@ static void enable_nmi_window(struct kvm_vcpu *vcpu) vmcs_write32(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control); } -static void vmx_inject_irq(struct kvm_vcpu *vcpu, int irq) +static void vmx_inject_irq(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); + uint32_t intr; + int irq = vcpu->arch.interrupt.nr; KVMTRACE_1D(INJ_VIRQ, vcpu, (u32)irq, handler); @@ -2462,8 +2465,14 @@ static void vmx_inject_irq(struct kvm_vcpu *vcpu, int irq) kvm_rip_write(vcpu, vmx->rmode.irq.rip - 1); return; } - vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, - irq | INTR_TYPE_EXT_INTR | INTR_INFO_VALID_MASK); + intr = irq | INTR_INFO_VALID_MASK; + if (vcpu->arch.interrupt.soft) { + intr |= INTR_TYPE_SOFT_INTR; + vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, + vmx->vcpu.arch.event_exit_inst_len); + } else + intr |= INTR_TYPE_EXT_INTR; + vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, intr); } static void vmx_inject_nmi(struct kvm_vcpu *vcpu) @@ -3024,6 +3033,7 @@ static int handle_task_switch(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) GUEST_INTR_STATE_NMI); break; case INTR_TYPE_EXT_INTR: + case INTR_TYPE_SOFT_INTR: kvm_clear_interrupt_queue(vcpu); break; case INTR_TYPE_HARD_EXCEPTION: @@ -3295,16 +3305,24 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx) vmcs_clear_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); break; - case INTR_TYPE_HARD_EXCEPTION: case INTR_TYPE_SOFT_EXCEPTION: + vmx->vcpu.arch.event_exit_inst_len = + vmcs_read32(VM_EXIT_INSTRUCTION_LEN); + /* fall through */ + case INTR_TYPE_HARD_EXCEPTION: if (idt_vectoring_info & VECTORING_INFO_DELIVER_CODE_MASK) { u32 err = vmcs_read32(IDT_VECTORING_ERROR_CODE); kvm_queue_exception_e(&vmx->vcpu, vector, err); } else kvm_queue_exception(&vmx->vcpu, vector); break; + case INTR_TYPE_SOFT_INTR: + vmx->vcpu.arch.event_exit_inst_len = + vmcs_read32(VM_EXIT_INSTRUCTION_LEN); + /* fall through */ case INTR_TYPE_EXT_INTR: - kvm_queue_interrupt(&vmx->vcpu, vector); + kvm_queue_interrupt(&vmx->vcpu, vector, + type == INTR_TYPE_SOFT_INTR); break; default: break; |