sev_enc_bit));
}
-void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu)
+void sev_es_prepare_guest_switch(struct vmcb_save_area *hostsa)
{
- struct svm_cpu_data *sd = per_cpu(svm_data, cpu);
- struct vmcb_save_area *hostsa;
-
/*
* As an SEV-ES guest, hardware will restore the host state on VMEXIT,
- * of which one step is to perform a VMLOAD. Since hardware does not
- * perform a VMSAVE on VMRUN, the host savearea must be updated.
+ * of which one step is to perform a VMLOAD. KVM performs the
+ * corresponding VMSAVE in svm_prepare_guest_switch for both
+ * traditional and SEV-ES guests.
*/
- vmsave(__sme_page_pa(sd->save_area));
/* XCR0 is restored on VMEXIT, save the current host value */
- hostsa = (struct vmcb_save_area *)(page_address(sd->save_area) + 0x400);
hostsa->xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK);
/* PKRU is restored on VMEXIT, save the current host value */
* Save additional host state that will be restored on VMEXIT (sev-es)
* or subsequent vmload of host save area.
*/
+ vmsave(__sme_page_pa(sd->save_area));
if (sev_es_guest(vcpu->kvm)) {
- sev_es_prepare_guest_switch(svm, vcpu->cpu);
- } else {
- vmsave(__sme_page_pa(sd->save_area));
+ struct vmcb_save_area *hostsa;
+ hostsa = (struct vmcb_save_area *)(page_address(sd->save_area) + 0x400);
+
+ sev_es_prepare_guest_switch(hostsa);
}
if (tsc_scaling) {
void sev_es_init_vmcb(struct vcpu_svm *svm);
void sev_es_vcpu_reset(struct vcpu_svm *svm);
void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
-void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu);
+void sev_es_prepare_guest_switch(struct vmcb_save_area *hostsa);
void sev_es_unmap_ghcb(struct vcpu_svm *svm);
/* vmenter.S */