aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--memory.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/memory.c b/memory.c
index 7e842b3..87639ab 100644
--- a/memory.c
+++ b/memory.c
@@ -19,6 +19,7 @@
#include <assert.h>
unsigned memory_region_transaction_depth = 0;
+static bool memory_region_update_pending = false;
typedef struct AddrRange AddrRange;
@@ -757,6 +758,7 @@ static void address_space_update_topology(AddressSpace *as)
static void memory_region_update_topology(MemoryRegion *mr)
{
if (memory_region_transaction_depth) {
+ memory_region_update_pending |= !mr || mr->enabled;
return;
}
@@ -770,6 +772,8 @@ static void memory_region_update_topology(MemoryRegion *mr)
if (address_space_io.root) {
address_space_update_topology(&address_space_io);
}
+
+ memory_region_update_pending = false;
}
void memory_region_transaction_begin(void)
@@ -781,7 +785,9 @@ void memory_region_transaction_commit(void)
{
assert(memory_region_transaction_depth);
--memory_region_transaction_depth;
- memory_region_update_topology(NULL);
+ if (!memory_region_transaction_depth && memory_region_update_pending) {
+ memory_region_update_topology(NULL);
+ }
}
static void memory_region_destructor_none(MemoryRegion *mr)