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memory: eliminate global MemoryListeners

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There is none, so just drop the code.

Backports commit d45fa784cd0c111131696808d1168259d66b7519 from qemu
This commit is contained in:
Paolo Bonzini 2018-02-26 10:13:34 -05:00 committed by Lioncash
parent 8734e13a73
commit 4b06e8bbb7
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GPG Key ID: 4E3C3CC1031BA9C7
2 changed files with 13 additions and 18 deletions
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2
qemu/include/exec/memory.h
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@ -213,7 +213,7 @@ struct MemoryListener {
void (*log_global_stop)(MemoryListener *listener);
/* Lower = earlier (during add), later (during del) */
unsigned priority;
AddressSpace *address_space_filter;
AddressSpace *address_space;
QTAILQ_ENTRY(MemoryListener) link;
};

29
qemu/memory.c
View File

@ -185,8 +185,7 @@ enum ListenerDirection { Forward, Reverse };
static bool memory_listener_match(MemoryListener *listener,
MemoryRegionSection *section)
{
return !listener->address_space_filter
|| listener->address_space_filter == section->address_space;
return listener->address_space == section->address_space;
}
#define MEMORY_LISTENER_CALL_GLOBAL(_callback, _direction, ...) \
@ -1712,18 +1711,16 @@ bool memory_region_present(MemoryRegion *container, hwaddr addr)
return mr && mr != container;
}
static void listener_add_address_space(MemoryListener *listener,
AddressSpace *as)
static QEMU_UNUSED_FUNC void listener_add_address_space(MemoryListener *listener,
AddressSpace *as)
{
FlatView *view;
FlatRange *fr;
if (listener->address_space_filter
&& listener->address_space_filter != as) {
return;
if (listener->begin) {
listener->begin(listener);
}
if (listener->address_space_filter->uc->global_dirty_log) {
if (as->uc->global_dirty_log) {
if (listener->log_global_start) {
listener->log_global_start(listener);
}
@ -1738,6 +1735,9 @@ static void listener_add_address_space(MemoryListener *listener,
fr->addr.size,
int128_get64(fr->addr.start),
fr->readonly);
if (fr->dirty_log_mask && listener->log_start) {
listener->log_start(listener, &section, 0, fr->dirty_log_mask);
}
if (listener->region_add) {
listener->region_add(listener, &section);
}
@ -1745,12 +1745,11 @@ static void listener_add_address_space(MemoryListener *listener,
flatview_unref(view);
}
void memory_listener_register(struct uc_struct* uc, MemoryListener *listener, AddressSpace *filter)
void memory_listener_register(struct uc_struct* uc, MemoryListener *listener, AddressSpace *as)
{
MemoryListener *other = NULL;
AddressSpace *as;
listener->address_space_filter = filter;
listener->address_space = as;
if (QTAILQ_EMPTY(&uc->memory_listeners)
|| listener->priority >= QTAILQ_LAST(&uc->memory_listeners,
memory_listeners)->priority) {
@ -1763,10 +1762,6 @@ void memory_listener_register(struct uc_struct* uc, MemoryListener *listener, Ad
}
QTAILQ_INSERT_BEFORE(other, listener, link);
}
QTAILQ_FOREACH(as, &uc->address_spaces, address_spaces_link) {
listener_add_address_space(listener, as);
}
}
void memory_listener_unregister(struct uc_struct *uc, MemoryListener *listener)
@ -1804,7 +1799,7 @@ static void do_address_space_destroy(AddressSpace *as)
// TODO(danghvu): why assert fail here?
//QTAILQ_FOREACH(listener, &as->uc->memory_listeners, link) {
// assert(listener->address_space_filter != as);
// assert(listener->address_space != as);
//}
flatview_unref(as->current_map);