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-rw-r--r--hw/core/numa.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/core/numa.c b/hw/core/numa.c
index 4c58b2348d..1058d3697b 100644
--- a/hw/core/numa.c
+++ b/hw/core/numa.c
@@ -818,8 +818,11 @@ static int ram_block_notify_add_single(RAMBlock *rb, void *opaque)
void ram_block_notifier_add(RAMBlockNotifier *n)
{
QLIST_INSERT_HEAD(&ram_list.ramblock_notifiers, n, next);
+
/* Notify about all existing ram blocks. */
- qemu_ram_foreach_block(ram_block_notify_add_single, n);
+ if (n->ram_block_added) {
+ qemu_ram_foreach_block(ram_block_notify_add_single, n);
+ }
}
void ram_block_notifier_remove(RAMBlockNotifier *n)
@@ -832,7 +835,9 @@ void ram_block_notify_add(void *host, size_t size, size_t max_size)
RAMBlockNotifier *notifier;
QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) {
- notifier->ram_block_added(notifier, host, size, max_size);
+ if (notifier->ram_block_added) {
+ notifier->ram_block_added(notifier, host, size, max_size);
+ }
}
}
@@ -841,7 +846,9 @@ void ram_block_notify_remove(void *host, size_t size, size_t max_size)
RAMBlockNotifier *notifier;
QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) {
- notifier->ram_block_removed(notifier, host, size, max_size);
+ if (notifier->ram_block_removed) {
+ notifier->ram_block_removed(notifier, host, size, max_size);
+ }
}
}