>>> On 22.01.15 at 11:52, <oleksandr.dmytrys...@globallogic.com> wrote: > On Thu, Jan 22, 2015 at 12:24 PM, Jan Beulich <jbeul...@suse.com> wrote: >>>>> On 22.01.15 at 10:56, <oleksandr.dmytrys...@globallogic.com> wrote: >>> + * Responce for all requests exept the XENSND_GET_VOLUME: >>> + * 0 1 2 3 4 5 6 7 octet >>> + * +-----+-----+-----+-----+-----+-----+-----+-----+ >>> + * | stream_id | operation | >> >> Is there a really need for echoing the operation, i.e. isn't the echoed >> ID sufficient? Because if you'd be able to drop this, request and >> response sizes would match up, avoiding wasted space on the >> shared page(s). > In our implementation there is no matter if is echoed the operation or no. > Frontend sends one request and waits a response. So I can simply remove > the echoed operation. But in the future if this echoed the operation > will be needed > it can be simply restored.
Question here is whether "stream_id" really means what its name says. If it does, you certainly need another field with a request ID, which then also need echoing (and then the question is whether stream_id need echoing too). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
