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To: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>, "Dai, Wei" <wei.dai@intel.com>,
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From: Ferruh Yigit <ferruh.yigit@intel.com>
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Date: Wed, 11 Oct 2017 19:24:51 +0100
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Subject: Re: [dpdk-dev] [PATCH v2] net/ixgbe: fix VFIO interrupt mapping in
	VF
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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 <wenzhuo.lu@intel.com>; Ananyev, Konstantin
>> <konstantin.ananyev@intel.com>; Liang, Cunming
>> <cunming.liang@intel.com>; Ma, Jianwei <jianwei.ma@intel.com>
>> Cc: dev@dpdk.org; Dai, Wei <wei.dai@intel.com>; 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 <wei.dai@intel.com>
> Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

Applied to dpdk-next-net/master, thanks.