switch (_direction) { \
case Forward: \
QTAILQ_FOREACH(_listener, &memory_listeners, link) { \
- _listener->_callback(_listener, ##_args); \
+ if (_listener->_callback) { \
+ _listener->_callback(_listener, ##_args); \
+ } \
} \
break; \
case Reverse: \
QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \
memory_listeners, link) { \
- _listener->_callback(_listener, ##_args); \
+ if (_listener->_callback) { \
+ _listener->_callback(_listener, ##_args); \
+ } \
} \
break; \
default: \
switch (_direction) { \
case Forward: \
QTAILQ_FOREACH(_listener, &memory_listeners, link) { \
- if (memory_listener_match(_listener, _section)) { \
+ if (_listener->_callback \
+ && memory_listener_match(_listener, _section)) { \
_listener->_callback(_listener, _section, ##_args); \
} \
} \
case Reverse: \
QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \
memory_listeners, link) { \
- if (memory_listener_match(_listener, _section)) { \
+ if (_listener->_callback \
+ && memory_listener_match(_listener, _section)) { \
_listener->_callback(_listener, _section, ##_args); \
} \
} \
}
if (global_dirty_log) {
- listener->log_global_start(listener);
+ if (listener->log_global_start) {
+ listener->log_global_start(listener);
+ }
}
+
FOR_EACH_FLAT_RANGE(fr, as->current_map) {
MemoryRegionSection section = {
.mr = fr->mr,
.offset_within_address_space = int128_get64(fr->addr.start),
.readonly = fr->readonly,
};
- listener->region_add(listener, §ion);
+ if (listener->region_add) {
+ listener->region_add(listener, §ion);
+ }
}
}