David Hildenbrand <da...@redhat.com> writes:
>>> diff --git a/backends/hostmem.c b/backends/hostmem.c
>>> index c6c1ff5b99..58fdc1b658 100644
>>> --- a/backends/hostmem.c
>>> +++ b/backends/hostmem.c
>>> @@ -217,6 +217,11 @@ static void host_memory_backend_set_prealloc(Object
>>> *obj, bool value,
>>> Error *local_err = NULL;
>>> HostMemoryBackend *backend = MEMORY_BACKEND(obj);
>>> + if (!backend->reserve && value) {
>>> + error_setg(errp, "'prealloc=on' and 'reserve=off' are
>>> incompatible");
>>> + return;
>>> + }
>>
>> Aha. Shouldn't this be documented in qom.json?
>
> Whoops, skipped that comment. Can add it if that's the place to
> document that.
Yes, please. .json doc comments is where we document the external
interface.
