On Wed, Aug 07, 2019 at 05:51:22PM +1000, Benjamin Herrenschmidt wrote: > Another issue with the Apple T2 based 2018 controllers seem to be > that they blow up (and shut the machine down) if there's a tag > collision between the IO queue and the Admin queue. > > My suspicion is that they use our tags for their internal tracking > and don't mix them with the queue id. They also seem to not like > when tags go beyond the IO queue depth, ie 128 tags. > > This adds a quirk that marks tags 0..31 of the IO queue reserved
What a mess. But given how widely available the macbooks are supporting them makes sense: Reviewed-by: Christoph Hellwig <[email protected]>
