diff options
author | David Hildenbrand <david@redhat.com> | 2021-04-29 13:27:01 +0200 |
---|---|---|
committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2021-05-13 18:21:13 +0100 |
commit | e15c7d1e8c34bbffec2aa88f8fe7cd9812b1c71f (patch) | |
tree | 07d67fdc488aab9f5d081a6ab1c1bce3cde6411e | |
parent | 8f44304c76036ac8544468c9306c5b30d1fdd201 (diff) | |
download | qemu-e15c7d1e8c34bbffec2aa88f8fe7cd9812b1c71f.zip qemu-e15c7d1e8c34bbffec2aa88f8fe7cd9812b1c71f.tar.gz qemu-e15c7d1e8c34bbffec2aa88f8fe7cd9812b1c71f.tar.bz2 |
numa: Make all callbacks of ram block notifiers optional
Let's make add/remove optional. We want to introduce a RAM block
notifier for RAM migration that is only interested in resize events.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-4-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r-- | hw/core/numa.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/core/numa.c b/hw/core/numa.c index 4c58b23..1058d36 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); + } } } |