On 9/16/19 9:57 AM, David Hildenbrand wrote: > Replace fast_memset() by access_memset(), that first tries to probe > access to all affected pages (maximum is two). We'll use the same > mechanism for other types of accesses soon. > > Only in very rare cases (especially TLB_NOTDIRTY), we'll have to > fallback to ld/st helpers. Try to speed up that case as suggested by > Richard. > > We'll rework most involved handlers soon to do all accesses via new > fault-safe helpers, especially MVC. > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > target/s390x/mem_helper.c | 123 +++++++++++++++++++++++++++++++------- > 1 file changed, 103 insertions(+), 20 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~