If VFIO is not compatible with the kernel used, print a soft warning to
the user if RTE_EAL_VFIO was still enabled in the configuration.

Signed-off-by: Gaetan Rivet <redacted>
---
 lib/librte_eal/linuxapp/eal/eal_vfio.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index 766d004..fadd274 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h

@@ -183,6 +183,8 @@ int vfio_mp_sync_setup(void);
 #define SOCKET_ERR 0xFF
 
 #define VFIO_PRESENT
+#else
+#pragma message("VFIO configured but not supported by this kernel, disabling.")
 #endif /* kernel version */
 #endif /* RTE_EAL_VFIO */
 

-- 
2.1.4