On 9/16/19 9:57 AM, David Hildenbrand wrote: > Replace fast_memmove() variants by access_memmove() variants, that > first try to probe access to all affected pages (maximum is two pages). > > Introduce access_get_byte()/access_set_byte(). We might be able to speed > up memmove in special cases even further (do single-byte access, use > memmove() for remaining bytes in page), however, we'll skip that for now. > > In MVCOS, simply always call access_memmove_as() and drop the TODO > about LAP. LAP is already handled in the MMU. > > Get rid of adj_len_to_page(), which is now unused. > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > target/s390x/mem_helper.c | 232 ++++++++++++++++++++++---------------- > 1 file changed, 133 insertions(+), 99 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
