On Wed, Feb 03, 2021 at 10:43:38AM +0100, Filippo Sironi wrote: > Certain NVMe controllers don't support 64-bit DMA addresses. Instead, > they are limited to 48-bit DMA addresses. Let's add a quirk to use them > properly. WTF? This is such a grave NVMe spec compiance bug that I do not think we should support this buggy mess in Linux.