In our environment we build on old system (2.6.32) but want to have VFIO enabled. This was the best solution after many different experiments. There was an earlier discussion and the solution proposed then was significantly different.
Stephen Hemminger (2): vfio: fix build if build envrionment is on old kernel vfio: don't build unnecessary files lib/librte_eal/linuxapp/eal/Makefile | 4 +- lib/librte_eal/linuxapp/eal/compat_vfio.h | 181 +++++++++++++++++++++ lib/librte_eal/linuxapp/eal/eal_pci_vfio.c | 3 - lib/librte_eal/linuxapp/eal/eal_pci_vfio_mp_sync.c | 3 - lib/librte_eal/linuxapp/eal/eal_vfio.h | 13 +- 5 files changed, 190 insertions(+), 14 deletions(-) create mode 100644 lib/librte_eal/linuxapp/eal/compat_vfio.h -- 2.1.4
