[lkml]   [2021]   [Feb]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2] nvme: Add 48-bit DMA address quirk for Amazon NVMe controllers
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.



Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879

 \ /
  Last update: 2021-02-10 10:18    [W:0.054 / U:0.292 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site