diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 53cedede88fa7ccac429ae3e68a06d64c3dd9706..81a51473f74554dddfe623f4d9ba9a2eeea56cd7 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -526,6 +526,8 @@ struct kvm_x86_ops { bool (*rdtscp_supported)(void); void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment); + void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); + void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry); bool (*has_wbinvd_exit)(void); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c8acb9609ca482530923e4f4d87b926205b5c513..a55f8d5a798516dc4e9ff837c69062f797996cb5 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2714,7 +2714,7 @@ static int init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) context->shadow_root_level = kvm_x86_ops->get_tdp_level(); context->root_hpa = INVALID_PAGE; context->direct_map = true; - context->set_cr3 = kvm_x86_ops->set_cr3; + context->set_cr3 = kvm_x86_ops->set_tdp_cr3; if (!is_paging(vcpu)) { context->gva_to_gpa = nonpaging_gva_to_gpa; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index fcbc491e1f8755263ff1a600dd91a186f48b114d..53c9039583fdabab5fae2c946a61f8379aebd7ba 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3216,9 +3216,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) savesegment(gs, gs_selector); ldt_selector = kvm_read_ldt(); svm->vmcb->save.cr2 = vcpu->arch.cr2; - /* required for live migration with NPT */ - if (npt_enabled) - svm->vmcb->save.cr3 = vcpu->arch.cr3; clgi(); @@ -3340,16 +3337,22 @@ static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root) { struct vcpu_svm *svm = to_svm(vcpu); - if (npt_enabled) { - svm->vmcb->control.nested_cr3 = root; - force_new_asid(vcpu); - return; - } - svm->vmcb->save.cr3 = root; force_new_asid(vcpu); } +static void set_tdp_cr3(struct kvm_vcpu *vcpu, unsigned long root) +{ + struct vcpu_svm *svm = to_svm(vcpu); + + svm->vmcb->control.nested_cr3 = root; + + /* Also sync guest cr3 here in case we live migrate */ + svm->vmcb->save.cr3 = vcpu->arch.cr3; + + force_new_asid(vcpu); +} + static int is_disabled(void) { u64 vm_cr; @@ -3576,6 +3579,8 @@ static struct kvm_x86_ops svm_x86_ops = { .write_tsc_offset = svm_write_tsc_offset, .adjust_tsc_offset = svm_adjust_tsc_offset, + + .set_tdp_cr3 = set_tdp_cr3, }; static int __init svm_init(void) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 275a81d571cf82fbec9d727e5b126ef91f50361f..ff7a8d48fd243c7ccdffb999d75a1d5ccec37f5d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4341,6 +4341,8 @@ static struct kvm_x86_ops vmx_x86_ops = { .write_tsc_offset = vmx_write_tsc_offset, .adjust_tsc_offset = vmx_adjust_tsc_offset, + + .set_tdp_cr3 = vmx_set_cr3, }; static int __init vmx_init(void)