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

Sai Prakash Ranjan
2020-04-23T09:41:13Z

On 2020-04-23 14:58, Robin Murphy wrote:
> 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?
>

Sounds good, I'll go with disabling translation with dev_info.

Thanks,
Sai
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a
member