[vfio-users] vfio_pci_mmap failure : Hitting mmaps overlapping the MSI-X table

[Vikas Aggarwal]

On Wed, Dec 9, 2020 at 2:49 AM Alex Williamson
<alex.williamson at redhat.com> wrote:
>
> On Wed, 9 Dec 2020 01:46:11 +0530
> Vikas Aggarwal <vaggarwal at diamanti.com> wrote:
>
> > Alex,
> > Thanks !
> > A follow up question:
> > Do i need to backport 3 kernel patches as mentioned in following dpdk
> > patch submission comment
> > https://mails.dpdk.org/archives/dev/2018-July/109039.html
>
> I think you'll find that two of those are already in your v4.14 kernel.
> It appears to me that you'd only one pre-patch for a clean backport:
>
> a32295c612c5 vfio-pci: Allow mapping MSIX BAR
> dda01f787df9 vfio: Simplify capability helper
>
> Thanks,
> Alex
>

Alex, thanks a lot - this seems to have resolved the mmap msi-x issue.
Now ssd device is accessible from DPDK-SPDK and we could run some read
tests as well !!