From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [PATCH v2] net/ixgbe: fix VFIO interrupt mapping in VF Date: Wed, 11 Oct 2017 19:24:51 +0100 Message-ID: References: <1505902146-50272-1-git-send-email-wei.dai@intel.com> <1506565713-70534-1-git-send-email-wei.dai@intel.com> <6A0DE07E22DDAD4C9103DF62FEBC09093B6C244D@shsmsx102.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "dev@dpdk.org" , "stable@dpdk.org" To: "Lu, Wenzhuo" , "Dai, Wei" , "Ananyev, Konstantin" , "Liang, Cunming" , "Ma, Jianwei" Return-path: In-Reply-To: <6A0DE07E22DDAD4C9103DF62FEBC09093B6C244D@shsmsx102.ccr.corp.intel.com> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 10/11/2017 4:16 AM, Lu, Wenzhuo wrote: > Hi, > >> -----Original Message----- >> From: Dai, Wei >> Sent: Thursday, September 28, 2017 10:29 AM >> To: Lu, Wenzhuo ; Ananyev, Konstantin >> ; Liang, Cunming >> ; Ma, Jianwei >> Cc: dev@dpdk.org; Dai, Wei ; stable@dpdk.org >> Subject: [PATCH v2] net/ixgbe: fix VFIO interrupt mapping in VF >> >> When a VF port is bound to VFIO-PIC, only miscellaneous interrupt is >> mapped to VFIO vector 0 in eth_ixgbevf_dev_init( ). >> In ixgbevf_dev_start(), if previous VFIO interrupt mapping set in >> eth_ixgbevf_dev_init( ) is not cleard, it will fail when calling rte_intr_enable( ) >> tries to map Rx queue interrupt to other VFIO vectors. This patch clears the >> VFIO interrupt mappings before setting both miscellaneous and Rx queue >> interrupt mappings again to avoid failure. >> >> Fixes: 77234603fba0 ("net/ixgbe: support VF mailbox interrupt for link >> up/down") >> Cc: stable@dpdk.org >> >> Signed-off-by: Wei Dai > Acked-by: Wenzhuo Lu Applied to dpdk-next-net/master, thanks.