On 16/10/19 03:52, Xiaoyao Li wrote: >> >> user_fpu could be made percpu too... That would save a bit of memory >> for each vCPU. I'm holding on Xiaoyao's patch because a lot of the code >> he's touching would go away then. > > Sorry, I don't get clear your attitude. > Do you mean the generic common function is not so better that I'd better > to implement the percpu solution? I wanted some time to give further thought to the percpu user_fpu idea. But kvm_load_guest_fpu and kvm_put_guest_fpu are not part of vcpu_load, so it would not be so easy. I'll just apply your patch now. Paolo