diff options
| -rw-r--r-- | arch/x86/kvm/vmx/main.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c index 00217397666f..3d8a13e66d36 100644 --- a/arch/x86/kvm/vmx/main.c +++ b/arch/x86/kvm/vmx/main.c @@ -673,6 +673,19 @@ static u32 vt_get_interrupt_shadow(struct kvm_vcpu *vcpu) return vmx_get_interrupt_shadow(vcpu); } +static void vt_patch_hypercall(struct kvm_vcpu *vcpu, + unsigned char *hypercall) +{ + /* + * Because guest memory is protected, guest can't be patched. TD kernel + * is modified to use TDG.VP.VMCALL for hypercall. + */ + if (is_td_vcpu(vcpu)) + return; + + vmx_patch_hypercall(vcpu, hypercall); +} + static void vt_inject_irq(struct kvm_vcpu *vcpu, bool reinjected) { if (is_td_vcpu(vcpu)) @@ -952,7 +965,7 @@ struct kvm_x86_ops vt_x86_ops __initdata = { .update_emulated_instruction = vmx_update_emulated_instruction, .set_interrupt_shadow = vt_set_interrupt_shadow, .get_interrupt_shadow = vt_get_interrupt_shadow, - .patch_hypercall = vmx_patch_hypercall, + .patch_hypercall = vt_patch_hypercall, .inject_irq = vt_inject_irq, .inject_nmi = vt_inject_nmi, .inject_exception = vt_inject_exception, |