Re: [PATCH] nvme: Add 48-bit DMA address quirk

[Christoph Hellwig]

On Wed, Feb 03, 2021 at 12:22:31PM +0100, Filippo Sironi wrote:
> To avoid issues, it is easier to apply the quirk to all Amazon NVMe 
> controllers for now till the new lines of controllers with the fix comes 
> out.  At that point, we'll be able to restrict the application to the known 
> bad controllers.

No, that is simply not acceptable.  For one we've had enough cases where
knowlege about old devices was lost after a decade or so.  And secondly
shipping more of these broken devices should be as painful as possible
for you so that it preferably does not happen at all.