Re: [PATCH] iommu/arm-smmu: Demote error messages to debug in shutdown callback

[Robin Murphy]

On 2020-04-23 9:17 am, Sai Prakash Ranjan wrote:
[...]
> > Any update on the status here? If I'm reading the conversation above,
> > Robin said: "we'll *always* see the warning because there's no way to
> > tear down the default DMA domains, and even if all devices *have* been
> > nicely quiesced there's no way to tell". Did I understand that
> > properly? If so, it seems like it's fully expected to see this
> > message on every reboot and it doesn't necessarily signify anything
> > bad.
>
> Understanding is the same, waiting for Will and Robin to check if its OK
> to make the message more friendly.

The way I see it, we essentially just want *something* visible that will 
correlate with any misbehaviour that *might* result from turning off a 
possibly-live context. How about simply "disabling translation", at 
dev_warn or dev_info level?

Robin.