[PATCH v1 00/17] Provide a new two step DMA mapping API

[Jens Axboe]

On 10/31/24 2:34 AM, Christoph Hellwig wrote:
> On Wed, Oct 30, 2024 at 07:44:13PM -0600, Jens Axboe wrote:
>> On Christoph's request, I tested this series last week and saw some
>> pretty significant performance regressions on my box. I don't know what
>> the status is in terms of that, just want to make sure something like
>> this doesn't get merged until that is both fully understood and sorted
>> out.
> 
> Working on it, but I have way too many things going on at once.  Note
> that the weird thing about your setup was that we apparently dropped into
> the slow path, which still puzzles me.  But I should probably also look
> into making that path a little less slow.

That's fine, just wanted to ensure that no push was being done on this
before that was resolved.

-- 
Jens Axboe