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Date: Wed, 2 Apr 2025 15:45:04 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Mina Almasry <almasrymina@google.com>
Cc: Taehee Yoo <ap420073@gmail.com>, davem@davemloft.net, pabeni@redhat.com,
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On Wed, 2 Apr 2025 15:11:39 -0700 Mina Almasry wrote:
> > We also shouldn't pass netmem to XDP init, it's strange conceptually.
> > If we reach XDP it has to be a non-net_iov page.
> 
> Very noob question, but is XDP/netmem interactions completely
> impossible for some reason? I was thinking XDP progs that only
> touch/need the header may work with unreadable netmem, and if we ever
> add readable net_iovs then those maybe can be exposed to XDP, no? Or
> am I completely off the rails here?

Right, I was referring to the current state of things.
Extensions both to XDP semantics or net_iov could change
the picture.