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While we do mention some of this stuff in the various daemons and manuals the subtleties of the socket and memory sharing are sometimes missed. This document attempts to give some background on vhost-user daemons in general terms. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20210720232703.10650-4-alex.bennee@linaro.org>