From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cunming Liang Subject: [PATCH v14 07/13] eal/linux: fix lsc read error in uio_pci_generic Date: Fri, 17 Jul 2015 14:16:09 +0800 Message-ID: <1437113775-32199-8-git-send-email-cunming.liang@intel.com> References: <1434686442-578-1-git-send-email-cunming.liang@intel.com> <1437113775-32199-1-git-send-email-cunming.liang@intel.com> Cc: shemming@brocade.com To: dev@dpdk.org, thomas.monjalon@6wind.com, david.marchand@6wind.com Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 8F39CC320 for ; Fri, 17 Jul 2015 08:16:44 +0200 (CEST) In-Reply-To: <1437113775-32199-1-git-send-email-cunming.liang@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The intr handle type(RTE_INTR_HANDLE_UIO_INTX) was introduced by UIO pci generic. When turning on the lsc interrupt, it complains fd read error. The patch uses the correct read size in the case of RTE_INTR_HANDLE_UIO_INTX. Fixes: 3f313bef3467 ("eal/linux: fix irq handling with igb_uio") Reported-by: Yong Liu Signed-off-by: Cunming Liang --- 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 0266d98..69ce974 100644 --- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c +++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c @@ -686,6 +686,7 @@ 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