[dpdk-dev] [PATCH v4] eal: read data buffer on RTE_INTR_HANDLE_VFIO_REQ

[Maciej Szwed]

We should call read() on RTE_INTR_HANDLE_VFIO_REQ event
to confirm that event.

Signed-off-by: Maciej Szwed <maciej.sz...@intel.com>
---
 lib/eal/linux/eal_interrupts.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/eal/linux/eal_interrupts.c b/lib/eal/linux/eal_interrupts.c
index 22b3b7bcd9..dc42527344 100644
--- a/lib/eal/linux/eal_interrupts.c
+++ b/lib/eal/linux/eal_interrupts.c
@@ -918,17 +918,16 @@ eal_intr_process_interrupts(struct epoll_event *events, 
int nfds)
                        bytes_read = sizeof(buf.timerfd_num);
                        break;
 #ifdef VFIO_PRESENT
+#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
+               case RTE_INTR_HANDLE_VFIO_REQ:
+                       call = true;
+#endif
+                       /* fall through */
                case RTE_INTR_HANDLE_VFIO_MSIX:
                case RTE_INTR_HANDLE_VFIO_MSI:
                case RTE_INTR_HANDLE_VFIO_LEGACY:
                        bytes_read = sizeof(buf.vfio_intr_count);
                        break;
-#ifdef HAVE_VFIO_DEV_REQ_INTERFACE
-               case RTE_INTR_HANDLE_VFIO_REQ:
-                       bytes_read = 0;
-                       call = true;
-                       break;
-#endif
 #endif
                case RTE_INTR_HANDLE_VDEV:
                case RTE_INTR_HANDLE_EXT:
-- 
2.27.0