Re: [PATCH] iommu: Fix bypass of IOMMU readiness check for multi-IOMMU devices

[Jason Gunthorpe]

On Thu, Apr 02, 2026 at 02:25:54PM +0300, Tudor Ambarus wrote:

> I can probably track whether all instances are ready, and defer if any
> is not ready, but then I'll force the iommu clients to use the sketchy
> replay path, which seems like a bad idea, according to Robin's feedback.

I didn't think that was sketchy, it is part of the boot ordering
system to ensure that the iommu driver(s) is probed before the client
devices.

Half operating a device is definately going to get things into trouble
with broken/incomplete domain attachments at least.

Jason