linux-kernel - Re: [PATCH net-next v10 02/14] net: page_pool: create hooks for custom page providers

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Date: Sun, 9 Jun 2024 17:37:33 -0700
From: David Wei <dw@...idwei.uk>
To: Jason Gunthorpe <jgg@...pe.ca>, David Ahern <dsahern@...nel.org>
Cc: Pavel Begunkov <asml.silence@...il.com>,
 Mina Almasry <almasrymina@...gle.com>, Christoph Hellwig
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Subject: Re: [PATCH net-next v10 02/14] net: page_pool: create hooks for
 custom page providers

On 2024-06-07 17:52, Jason Gunthorpe wrote:
> IMHO it seems to compose poorly if you can only use the io_uring
> lifecycle model with io_uring registered memory, and not with DMABUF
> memory registered through Mina's mechanism.

By this, do you mean io_uring must be exclusively used to use this
feature?

And you'd rather see the two decoupled, so userspace can register w/ say
dmabuf then pass it to io_uring?

> 
> Jason