From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cunming Liang Subject: [PATCH v10 07/13] eal/linux: fix lsc read error in uio_pci_generic Date: Tue, 2 Jun 2015 14:53:20 +0800 Message-ID: <1433228006-24661-8-git-send-email-cunming.liang@intel.com> References: <1432889125-20255-1-git-send-email-cunming.liang@intel.com> <1433228006-24661-1-git-send-email-cunming.liang@intel.com> Cc: shemming@brocade.com, liang-min.wang@intel.com To: dev@dpdk.org Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 69FDDC322 for ; Tue, 2 Jun 2015 08:53:56 +0200 (CEST) In-Reply-To: <1433228006-24661-1-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 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 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 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