On Fri, 20 Apr 2018 17:06:42 -0400
Sinan Kaya <okaya@xxxxxxxxxxxxxx> wrote:
> Hi Greg,
>
> On 4/20/2018 12:47 PM, Sinan Kaya wrote:
> > I'll take a look at 4.4.y and check with Alex if these can be backported or not.
> >
>
> I worked with Alex today.
>
> The commit 523184972b28 doesn't apply because of another missing patch on 4.4.y
> kernel.
>
> commit ddf9dc0eb531 ("vfio-pci: Virtualize PCIe & AF FLR")
>
> Please apply commit ddf9dc0eb531 ("vfio-pci: Virtualize PCIe & AF FLR") before applying
> 523184972b28.
>
> commit ddf9dc0eb531 ("vfio-pci: Virtualize PCIe & AF FLR") also fixes a real issue
> as follows:
>
> "This seems to fix several instance of devices getting into bad states
> with userspace drivers, like dpdk, running inside a VM."
>
>
> It would be good to pull both to 4.y.
>
> I'll have to work on cf0d53ba4947 next.
cf0d53ba4947 should be a clean pick to latest 4.4.y, after applying
ddf9dc0eb531 followed by 523184972b28, at least that's the way it
worked for me. The additional commit ddf9dc0eb531 made the v4.9
release, so it's already present in the other stable trees. Thanks,
Alex