Re: PCI pass-through problem for SN570 NVME SSD

["G.R." <firemeteor@xxxxxxxxxxxxxxxxxxxxx>]

On Mon, Jul 4, 2022 at 11:33 PM Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>
> Right, so hvmloader attempts to place a BAR from 05:00.0 and a BAR
> from 00:17.0 into the same page, which is not that good behavior.  It
> might be sensible to attempt to share the page if both BARs belong to
> the same device, but not if they belong to different devices.
>
> I think the following patch:
>
> https://lore.kernel.org/xen-devel/20200117110811.43321-1-roger.pau@xxxxxxxxxx/
>
> Might help with this.
>
> Thanks, Roger.
I suppose this patch has been released in a newer XEN version that I
can pick up if I decide to upgrade?
Which version would it be?

On the other hand, according to the other experiment I did, this may
not be the only issue related to this device.
Still not sure if the device or the SW stack is faulty this time...

Thanks,
G.R.