diff options
| -rw-r--r-- | arch/x86/kvm/svm.c | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index b985cb81a573..2ae94b540358 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -192,11 +192,6 @@ static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu) return container_of(vcpu, struct vcpu_svm, vcpu); } -static inline bool is_nested(struct vcpu_svm *svm) -{ - return svm->nested.vmcb; -} - static inline void enable_gif(struct vcpu_svm *svm) { svm->vcpu.arch.hflags |= HF_GIF_MASK; @@ -727,7 +722,7 @@ static void svm_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) struct vcpu_svm *svm = to_svm(vcpu); u64 g_tsc_offset = 0; - if (is_nested(svm)) { + if (is_guest_mode(vcpu)) { g_tsc_offset = svm->vmcb->control.tsc_offset - svm->nested.hsave->control.tsc_offset; svm->nested.hsave->control.tsc_offset = offset; @@ -741,7 +736,7 @@ static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment) struct vcpu_svm *svm = to_svm(vcpu); svm->vmcb->control.tsc_offset += adjustment; - if (is_nested(svm)) + if (is_guest_mode(vcpu)) svm->nested.hsave->control.tsc_offset += adjustment; } @@ -1209,7 +1204,7 @@ static void update_cr0_intercept(struct vcpu_svm *svm) if (gcr0 == *hcr0 && svm->vcpu.fpu_active) { vmcb->control.intercept_cr_read &= ~INTERCEPT_CR0_MASK; vmcb->control.intercept_cr_write &= ~INTERCEPT_CR0_MASK; - if (is_nested(svm)) { + if (is_guest_mode(&svm->vcpu)) { struct vmcb *hsave = svm->nested.hsave; hsave->control.intercept_cr_read &= ~INTERCEPT_CR0_MASK; @@ -1220,7 +1215,7 @@ static void update_cr0_intercept(struct vcpu_svm *svm) } else { svm->vmcb->control.intercept_cr_read |= INTERCEPT_CR0_MASK; svm->vmcb->control.intercept_cr_write |= INTERCEPT_CR0_MASK; - if (is_nested(svm)) { + if (is_guest_mode(&svm->vcpu)) { struct vmcb *hsave = svm->nested.hsave; hsave->control.intercept_cr_read |= INTERCEPT_CR0_MASK; @@ -1233,7 +1228,7 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) { struct vcpu_svm *svm = to_svm(vcpu); - if (is_nested(svm)) { + if (is_guest_mode(vcpu)) { /* * We are here because we run in nested mode, the host kvm * intercepts cr0 writes but the l1 hypervisor does not. @@ -1471,7 +1466,7 @@ static void svm_fpu_activate(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); u32 excp; - if (is_nested(svm)) { + if (is_guest_mode(vcpu)) { u32 h_excp, n_excp; h_excp = svm->nested.hsave->control.intercept_exceptions; @@ -1701,7 +1696,7 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr, { int vmexit; - if (!is_nested(svm)) + if (!is_guest_mode(&svm->vcpu)) return 0; svm->vmcb->control.exit_code = SVM_EXIT_EXCP_BASE + nr; @@ -1719,7 +1714,7 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr, /* This function returns true if it is save to enable the irq window */ static inline bool nested_svm_intr(struct vcpu_svm *svm) { - if (!is_nested(svm)) + if (!is_guest_mode(&svm->vcpu)) return true; if (!(svm->vcpu.arch.hflags & HF_VINTR_MASK)) @@ -1758,7 +1753,7 @@ static inline bool nested_svm_intr(struct vcpu_svm *svm) /* This function returns true if it is save to enable the nmi window */ static inline bool nested_svm_nmi(struct vcpu_svm *svm) { - if (!is_nested(svm)) + if (!is_guest_mode(&svm->vcpu)) return true; if (!(svm->nested.intercept & (1ULL << INTERCEPT_NMI))) @@ -1995,7 +1990,8 @@ static int nested_svm_vmexit(struct vcpu_svm *svm) if (!nested_vmcb) return 1; - /* Exit nested SVM mode */ + /* Exit Guest-Mode */ + leave_guest_mode(&svm->vcpu); svm->nested.vmcb = 0; /* Give the current vmcb to the guest */ @@ -2303,7 +2299,9 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm) nested_svm_unmap(page); - /* nested_vmcb is our indicator if nested SVM is activated */ + /* Enter Guest-Mode */ + enter_guest_mode(&svm->vcpu); + svm->nested.vmcb = vmcb_gpa; enable_gif(svm); @@ -2589,7 +2587,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data) case MSR_IA32_TSC: { u64 tsc_offset; - if (is_nested(svm)) + if (is_guest_mode(vcpu)) tsc_offset = svm->nested.hsave->control.tsc_offset; else tsc_offset = svm->vmcb->control.tsc_offset; @@ -3003,7 +3001,7 @@ static int handle_exit(struct kvm_vcpu *vcpu) return 1; } - if (is_nested(svm)) { + if (is_guest_mode(vcpu)) { int vmexit; trace_kvm_nested_vmexit(svm->vmcb->save.rip, exit_code, @@ -3110,7 +3108,7 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr) { struct vcpu_svm *svm = to_svm(vcpu); - if (is_nested(svm) && (vcpu->arch.hflags & HF_VINTR_MASK)) + if (is_guest_mode(vcpu) && (vcpu->arch.hflags & HF_VINTR_MASK)) return; if (irr == -1) @@ -3164,7 +3162,7 @@ static int svm_interrupt_allowed(struct kvm_vcpu *vcpu) ret = !!(vmcb->save.rflags & X86_EFLAGS_IF); - if (is_nested(svm)) + if (is_guest_mode(vcpu)) return ret && !(svm->vcpu.arch.hflags & HF_VINTR_MASK); return ret; @@ -3221,7 +3219,7 @@ static inline void sync_cr8_to_lapic(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); - if (is_nested(svm) && (vcpu->arch.hflags & HF_VINTR_MASK)) + if (is_guest_mode(vcpu) && (vcpu->arch.hflags & HF_VINTR_MASK)) return; if (!(svm->vmcb->control.intercept_cr_write & INTERCEPT_CR8_MASK)) { @@ -3235,7 +3233,7 @@ static inline void sync_lapic_to_cr8(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); u64 cr8; - if (is_nested(svm) && (vcpu->arch.hflags & HF_VINTR_MASK)) + if (is_guest_mode(vcpu) && (vcpu->arch.hflags & HF_VINTR_MASK)) return; cr8 = kvm_get_cr8(vcpu); @@ -3621,7 +3619,7 @@ static void svm_fpu_deactivate(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); svm->vmcb->control.intercept_exceptions |= 1 << NM_VECTOR; - if (is_nested(svm)) + if (is_guest_mode(vcpu)) svm->nested.hsave->control.intercept_exceptions |= 1 << NM_VECTOR; update_cr0_intercept(svm); } |
