On Fri, 19 Jun 2020 at 13:37, Paolo Bonzini <pbonz...@redhat.com> wrote: > > On 19/06/20 14:18, Peter Maydell wrote: > > On Fri, 19 Jun 2020 at 12:16, Paolo Bonzini <pbonz...@redhat.com> wrote: > >> > >> On 19/06/20 07:46, Pavel Dovgalyuk wrote: > >>> I think, that we need some efforts from target maintainers to remove all > >>> such calls. > >> > >> I'll take care of target/i386 (which does need one of the three > >> gen_io_end calls that are left). > > > > So why does it need it ? Why can't it just rely on "TB going to > > end anyway which will clear the can_do_io flag" ? > > Because the TB is not always going to end in that case that is left.
OK, so when is it valid not to end the TB after an IO instruction ? My initial belief was that the TB should *always* end. thanks -- PMM
