On Wed, Apr 25, 2018 at 04:53:51PM -0400, Sinan Kaya wrote:
> Hi Greg,
>
> Upstream commit 028daf801173 ("i40e: Fix attach VF to VM issue")
> fixes a virtualization issue for i40e based adapters.
>
> problem description below from the commit:
>
> 'Fix for "Resource temporarily unavailable" problem when virsh is
> trying to attach a device to VM. When the VF driver is loaded on
> host and virsh is trying to attach it to the VM and set a MAC
> address, it ends with a race condition between i40e_reset_vf and
> i40e_ndo_set_vf_mac functions. The bug is fixed by adding polling
> in i40e_ndo_set_vf_mac function For when the VF is in Reset mode.'
>
> Please apply commit 028daf801173 to fix the resulting regression.
Applied to both 4.14.y and 4.16.y.
thanks,
greg k-h