[dpdk-dev] [PATCH v10 07/13] eal/linux: fix lsc read error in uio_pci_generic

Cunming Liang cunming.liang at intel.com
Tue Jun 2 08:53:20 CEST 2015


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 c2bf165..0f902b2 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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