diff options
Diffstat (limited to 'arch/x86/kvm/svm/sev.c')
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 87167ef8ca23..874ea309279f 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -2066,11 +2066,10 @@ void sev_es_create_vcpu(struct vcpu_svm *svm) sev_enc_bit)); } -void sev_es_vcpu_load(struct vcpu_svm *svm, int cpu) +void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu) { struct svm_cpu_data *sd = per_cpu(svm_data, cpu); struct vmcb_save_area *hostsa; - unsigned int i; /* * As an SEV-ES guest, hardware will restore the host state on VMEXIT, @@ -2079,13 +2078,6 @@ void sev_es_vcpu_load(struct vcpu_svm *svm, int cpu) */ vmsave(__sme_page_pa(sd->save_area)); - /* - * Certain MSRs are restored on VMEXIT, only save ones that aren't - * restored. - */ - for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++) - rdmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]); - /* 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); @@ -2097,18 +2089,6 @@ void sev_es_vcpu_load(struct vcpu_svm *svm, int cpu) hostsa->xss = host_xss; } -void sev_es_vcpu_put(struct vcpu_svm *svm) -{ - unsigned int i; - - /* - * Certain MSRs are restored on VMEXIT and were saved with vmsave in - * sev_es_vcpu_load() above. Only restore ones that weren't. - */ - for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++) - wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]); -} - void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector) { struct vcpu_svm *svm = to_svm(vcpu); |