[libvirt] [PATCHv2.5 08/10] qemu: conf: Add support for memory device cold(un)plug
John Ferlan
jferlan at redhat.com
Fri Mar 13 23:53:46 UTC 2015
>> +
>> +int
>> +virDomainMemoryInsert(virDomainDefPtr def,
>> + virDomainMemoryDefPtr mem)
>> +{
>> + int id = def->nmems;
>> +
>> + if (mem->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
>> + virDomainDefHasDeviceAddress(def, &mem->info)) {
>
> Hmm... so if our incoming mem has an address defined - it could be
> anything - we're just failing declaring that the domain already contains
> a device with the same address? Doesn't seem right.
>
> And again - we have this problem of TYPE_NONE, TYPE_DIMM, TYPE_LAST and
> who knows what in the future.
>
>
Perhaps I was thinking too much about the various Find* API's when I
first read this, but upon further reflection and looking at the code
paths using it I see what the goal is. So safely ignore this particular
comment.
John
>> + virReportError(VIR_ERR_OPERATION_INVALID, "%s",
>> + _("Domain already contains a device with the same "
>> + "address"));
>> + return -1;
>> + }
>> +
>> + if (VIR_APPEND_ELEMENT(def->mems, def->nmems, mem) < 0)
>> + return -1;
>> +
>> + return id;
>> +}
>> +
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