On 2/1/24 15:08, Paolo Bonzini wrote: > There is unfortunately an important hurdle for your patch, in that > currently the BSP and AP flows are completely different. Do we even _need_ c->x86_phys_bits for APs? I need to do a bit more grepping, but I only see it being read in show_cpuinfo(). Everything else seems to be boot_cpu_data.x86_phys_bits.