On 25/07/19 07:55, Pavel Dovgalyuk wrote: >> >> I think you do not need this patch if you remove the assignment in >> cpu_tb_exec, and compile a "move 0 to cpu->can_do_io" in gen_tb_start >> instead. > "move 0 to cpu->can_do_io" only for icount mode?
Yes, using CF_ICOUNT. > And we'll also need to set can_do_io to 1 somewhere, because it > is checked in non-icount mode too. It is already set in qemu_tcg_cpu_thread_fn. Paolo
