When loading a realm VCPU much of the work is handled by the RMM so only some of the actions are required. Rearrange kvm_arch_vcpu_load() slightly so we can bail out early for a realm guest. Signed-off-by: Steven Price <steven.price@xxxxxxx> --- arch/arm64/kvm/arm.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index fd9e28f48903..46c152a9a150 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -451,19 +451,25 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) vcpu->cpu = cpu; + if (single_task_running()) + vcpu_clear_wfx_traps(vcpu); + else + vcpu_set_wfx_traps(vcpu); + kvm_vgic_load(vcpu); kvm_timer_vcpu_load(vcpu); + + if (kvm_arm_is_pvtime_enabled(&vcpu->arch)) + kvm_make_request(KVM_REQ_RECORD_STEAL, vcpu); + + /* No additional state needs to be loaded on Realmed VMs */ + if (vcpu_is_rec(vcpu)) + return; + if (has_vhe()) kvm_vcpu_load_sysregs_vhe(vcpu); kvm_arch_vcpu_load_fp(vcpu); kvm_vcpu_pmu_restore_guest(vcpu); - if (kvm_arm_is_pvtime_enabled(&vcpu->arch)) - kvm_make_request(KVM_REQ_RECORD_STEAL, vcpu); - - if (single_task_running()) - vcpu_clear_wfx_traps(vcpu); - else - vcpu_set_wfx_traps(vcpu); if (vcpu_has_ptrauth(vcpu)) vcpu_ptrauth_disable(vcpu); -- 2.34.1
