From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id C0F759252 for ; Fri, 13 Nov 2015 03:50:35 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP; 12 Nov 2015 18:50:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,285,1444719600"; d="scan'208";a="850032782" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga002.fm.intel.com with ESMTP; 12 Nov 2015 18:50:34 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id tAD2oWqq029004; Fri, 13 Nov 2015 10:50:32 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id tAD2oShs011179; Fri, 13 Nov 2015 10:50:30 +0800 Received: (from cliang18@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id tAD2oS3P011175; Fri, 13 Nov 2015 10:50:28 +0800 From: Cunming Liang To: dev@dpdk.org Date: Fri, 13 Nov 2015 10:50:26 +0800 Message-Id: <1447383027-11140-1-git-send-email-cunming.liang@intel.com> X-Mailer: git-send-email 1.7.4.1 Subject: [dpdk-dev] [PATCH 1/2] ixgbe: fix vfio ioctl SET_IRQS error X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Nov 2015 02:50:36 -0000 The vector number may change during 'dev_start'. Before enabling a new vector mapping, it's necessary to disable/unmap the previous setting. Fixes: 7ab8500037f6 ("ixgbe: fix VF start with PF stopped") Reported-by: Yong Liu Signed-off-by: Cunming Liang --- drivers/net/ixgbe/ixgbe_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 19ddb52..c2be264 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -1976,6 +1976,9 @@ ixgbe_dev_start(struct rte_eth_dev *dev) return -EINVAL; } + /* disable uio/vfio intr/eventfd mapping */ + rte_intr_disable(intr_handle); + /* stop adapter */ hw->adapter_stopped = 0; ixgbe_stop_adapter(hw); -- 2.4.3