On 12/8/21 01:03, Yang Zhong wrote:
kvm_steal_time_set_preempted(vcpu); srcu_read_unlock(&vcpu->kvm->srcu, idx);+ if (vcpu->preempted)+ fpu_save_guest_xfd_err(&vcpu->arch.guest_fpu); +
Instead of checking vcpu->preempted, can you instead check if the active FPU is the guest FPU? That is, save if current->thread.fpu->fpstate->is_guest?
Paolo
