[PATCH 0/3] make MSI IOVA base address and its length configurable

[Jason Gunthorpe]

On Thu, Jan 30, 2025 at 03:21:37PM -0800, Shyam Saini wrote:

> Unfortunately, it is an HW issue.

Well, that's pretty bad to have built HW that can't DMA to low
addresses at all.. But OK.
 
> Are you okay with this passing custom MSI_IOVA via DTS approach ?

It isn't up to me, but I've understood the DT maintainers would reject
this as it isn't is describing HW but just a random Linux software
knob.

I think you should make selecting the sw_msi dynamic in Linux.

Jason