Re: [PATCH v2] nvme: Add 48-bit DMA address quirk for Amazon NVMe controllers

[Filippo Sironi]

On 2/10/21 8:37 AM, Christoph Hellwig wrote:
> On Wed, Feb 10, 2021 at 01:39:42AM +0100, Filippo Sironi wrote:
> > Amazon NVMe controllers do not support 64-bit DMA addresses; they are
> > limited to 48-bit DMA addresses.  Let's add a quirk to ensure that we
> > make use of 48-bit DMA addresses to avoid misbehavior.
>
> This should probably say some, and mention that they do not follow
> the spec.  But I can fix this up when applying the patch.

Thanks!

Filippo



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