From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cunming Liang Subject: [PATCH 2/2] igb: fix vfio ioctl SET_IRQS error Date: Fri, 13 Nov 2015 10:50:27 +0800 Message-ID: <1447383027-11140-2-git-send-email-cunming.liang@intel.com> References: <1447383027-11140-1-git-send-email-cunming.liang@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 23C2C935C for ; Fri, 13 Nov 2015 03:50:37 +0100 (CET) In-Reply-To: <1447383027-11140-1-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 vector number may change during 'dev_start'. Before enabling a new vector mapping, it's necessary to disable/unmap the previous setting. Fixes: fe685de2b1b6 ("igb: fix VF start with PF stopped") Reported-by: Yong Liu Signed-off-by: Cunming Liang --- drivers/net/e1000/igb_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c index 4bf4e52..c61ceab 100644 --- a/drivers/net/e1000/igb_ethdev.c +++ b/drivers/net/e1000/igb_ethdev.c @@ -1092,6 +1092,9 @@ eth_igb_start(struct rte_eth_dev *dev) PMD_INIT_FUNC_TRACE(); + /* disable uio/vfio intr/eventfd mapping */ + rte_intr_disable(intr_handle); + /* Power up the phy. Needed to make the link go Up */ e1000_power_up_phy(hw); -- 2.4.3