dmar, dma_pool, etc

[Niclas Zeising]

On 2019-04-29 20:27, Niclas Zeising wrote:
> On 2019-04-29 18:00, Tycho Nightingale wrote:
>>> On Apr 29, 2019, at 11:06 AM, Niclas Zeising <zeising at FreeBSD.org> 
>>> wrote:
>>>
>>> As a side note, I can readily reproduce the hang on a spare laptop, 
>>> please let me know if I can help in testing or diagnosing in any way.
>>
>>
>> If you can readily reproduce the hang, since there are 2 halves that 
>> comprised the fix (the DMA pool and non-pool mappings) it would be 
>> instructive to try reverting either dmapool.h or dma-mapping.h 
>> independently to see if that helps.
>>
> 
> Hi!
> I will test this and report back.  Thank you!
> Regards

Hi!
Just reverting dmapool.h or dma-mapping.h doesn't work, it won't build. 
I need to revert more than that.  Can you help me figure out what to 
revert in either case, or provide a patch?
Thank you!
Regards
-- 
Niclas