From mboxrd@z Thu Jan 1 00:00:00 1970 From: Qi Zhang Subject: [PATCH] eal: fix max number of interrupt request Date: Thu, 9 Feb 2017 14:59:43 -0500 Message-ID: <1486670383-5286-1-git-send-email-qi.z.zhang@intel.com> Cc: dev@dpdk.org, jingjing.wu@intel.com, Qi Zhang To: thomas.monjalon@6wind.com Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 44164DE0 for ; Fri, 10 Feb 2017 04:04:06 +0100 (CET) List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The max number of interrupt request is possible be changed after rte_intr_callback_register, so in get_max_intr, we need to check if nessesary to update the max_intr. Signed-off-by: Qi Zhang --- lib/librte_eal/linuxapp/eal/eal_interrupts.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c index b5b3f2b..92a19cb 100644 --- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c +++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c @@ -287,6 +287,8 @@ get_max_intr(const struct rte_intr_handle *intr_handle) if (src->intr_handle.fd != intr_handle->fd) continue; + if (src->intr_handle.max_intr < intr_handle->max_intr) + src->intr_handle.max_intr = intr_handle->max_intr; if (!src->intr_handle.max_intr) src->intr_handle.max_intr = 1; else if (src->intr_handle.max_intr > RTE_MAX_RXTX_INTR_VEC_ID) -- 2.7.4