Re: [PATCH 0/2] NTB: Allow drivers to provide DMA mapping device

[Dave Jiang]

On 3/4/26 8:23 PM, Koichiro Den wrote:
> On Wed, Mar 04, 2026 at 09:53:42AM -0700, Dave Jiang wrote:

<snip>

>> Probably should include it with this series if it's small. Having the user with new code is usually preferred.
> 
> I thought that, since the vNTB patch wouldn't work until the NTB changes are in,
> asking both the NTB and PCI EP maintainers to coordinate the apply order might
> be a bit awkward.
> 
> That said, if preferable, I can include the vNTB change in this series and
> explicitly ask the PCI EP maintainers not to pick up (new) Patch 3 until the NTB
> maintainers have acked and applied Patch 1-2.

Given that most of the patches are PCI EP, I think with acks from NTB, the whole thing can go through PCI EP if that works for you.

DJ

> 
> I'd also appreciate any thoughts from Jon or others on this (i.e. keeping
> this series NTB tree-only vs. including the vNTB change as well), as well
> as any feedback on this v1 series itself.
> 
> P.S. I sent a corrected code snippet a few minutes after my original post. The
> original snippet above was wrong, as it would violate the kernel-doc in Patch 1:
> 
>   "Drivers that implement .get_dma_dev() must return a non-NULL pointer."
> 
> Best regards,
> Koichiro
> 
>>