The new UIO generic handle type was introduced by patch.
http://dpdk.org/ml/archives/dev/2015-April/017008.html
When using uio_pci_generic and turning on lsc interrupt, it complains fd read 
error.
The root cause is the 'count' size of read is not correct.

Reported-by: Yong Liu <yong.liu at intel.com>
Signed-off-by: Cunming Liang <cunming.liang at intel.com>
---
 lib/librte_eal/linuxapp/eal/eal_interrupts.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c 
b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 5519e7c..d7a5403 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -678,6 +678,7 @@ eal_intr_process_interrupts(struct epoll_event *events, int 
nfds)
                /* set the length to be read dor different handle type */
                switch (src->intr_handle.type) {
                case RTE_INTR_HANDLE_UIO:
+               case RTE_INTR_HANDLE_UIO_INTX:
                        bytes_read = sizeof(buf.uio_intr_count);
                        break;
                case RTE_INTR_HANDLE_ALARM:
-- 
1.8.1.4

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