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Date: Sat, 24 Oct 2015 23:43:37 +0800
From: "Lan, Tianyu" <tianyu.lan@intel.com>
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Subject: Re: [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf"
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On 10/22/2015 4:52 AM, Alexander Duyck wrote:
> Also have you even considered the MSI-X configuration on the VF?  I
> haven't seen anything anywhere that would have migrated the VF's MSI-X
> configuration from BAR 3 on one system to the new system.

MSI-X migration is done by Hypervisor(Qemu).
Following link is my Qemu patch to do that.
http://marc.info/?l=kvm&m=144544706530484&w=2