diff options
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 71749fcb229e..7fb7c1a8f1a5 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1608,6 +1608,15 @@ static int handle_fastpath_set_x2apic_icr_irqoff(struct kvm_vcpu *vcpu, u64 data return 1; } +static int handle_fastpath_set_tscdeadline(struct kvm_vcpu *vcpu, u64 data) +{ + if (!kvm_can_use_hv_timer(vcpu)) + return 1; + + kvm_set_lapic_tscdeadline_msr(vcpu, data); + return 0; +} + fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu) { u32 msr = kvm_rcx_read(vcpu); @@ -1622,6 +1631,13 @@ fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu) ret = EXIT_FASTPATH_EXIT_HANDLED; } break; + case MSR_IA32_TSCDEADLINE: + data = kvm_read_edx_eax(vcpu); + if (!handle_fastpath_set_tscdeadline(vcpu, data)) { + kvm_skip_emulated_instruction(vcpu); + ret = EXIT_FASTPATH_REENTER_GUEST; + } + break; default: break; } |