DPDK driver with burst support, saved inside virt_user structure
Removed comment, virt_user structure is being used
note wiki page on optimizing
Fixing the commit date issue

Revert "Removed comment, virt_user structure is being used"

This reverts commit 965c4829e2144a8b65758a382d3732f82b18054a.
Revert "Removed comment, virt_user structure is being used"

This reverts commit 965c4829e2144a8b65758a382d3732f82b18054a.
cosmetic, no functional change

whitespace, typos, comments, etc.