ixgbe: fix setup of mbuf initializer template
ixgbe: fix setup of mbuf initializer template

Add a compiler barrier to make sure all fields covered by
the marker rearm_data are assigned before the read.

Fixes: 0ff3324da2 ("ixgbe: rework vector pmd following mbuf changes")

Signed-off-by: Jean-Mickael Guerin <8e42dd0c543679e1ddd598d40918ecf901c5dbc5@6wind.com>
Acked-by: David Marchand <f28529695cfa9e3e1eb84e7072aa626af4abb18e@6wind.com>
Acked-by: Bruce Richardson <66b9e8e8fbd5e9f41f91b0af050876182ce9d0e4@intel.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk