[PATCH v11 07/13] eal/linux: fix lsc read error in uio_pci_generic
From: Cunming Liang <hidden>
Date: 2015-06-05 08:20:38
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Cunming Liang <hidden>
Date: 2015-06-05 08:20:38
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 <redacted> Signed-off-by: Cunming Liang <redacted> --- 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 4b191ae..300ebb1 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