What should we do about the nvme atomics mess?

[Christoph Hellwig]

On Thu, Jan 22, 2026 at 10:16:53AM +0000, John Garry wrote:
>> - Recommending other vendors adopt the same reporting model, and
>> - As it was already proposed earlier, updating the Linux NVMe kernel driver to disregard
>>    atomic write support for devices that report a non-zero AWUPF at the controller level.
>
> Yeah, we can just stop using AWUPF always. Or can further consider my 
> proposed change to allow AWUPF to be used based on an opt-in, below.
>
> Keith, Christoph, Any further thoughts on this?
>
> https://lore.kernel.org/linux-nvme/20250820150220.1923826-1-john.g.garry@oracle.com/

I'd love to drop support for the controller-level AWUPF.