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

[Szwed, Maciej]

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

Signed-off-by: Maciej Szwed maciej.szwed at intel.com<mailto:maciej.szwed at 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:
--