On 09/23/2014 05:58 PM, Stefan Hajnoczi wrote:
I'm not sure a full-fledged feature negotiation system is needed. The
ivshmem protocol is local to the host and all participants are under
control of the administrator.
I suggested a protocol version to protect against misconfiguration. For
example, building QEMU from source but talking to an outdated ivhsmem
server that is still running from before.
Remember that ivshmem-server and QEMU are shipped together by the
distro. So in 99% of the cases they will have the same version anyway.
But we want to protect against rare misconfiguration that break things
(user mixing and matching incompatible software).
Ok, so how about keeping with this simple mechanism at the moment ?
If this versionning system is too limited in the future, I think we will
need a global rework on the protocol, anyway.
--
David Marchand
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