On 3/26/21 3:11 AM, Toke Høiland-Jørgensen wrote:
Martin KaFai Lau <ka...@fb.com> writes:

On Thu, Mar 25, 2021 at 11:02:23PM +0100, Toke Høiland-Jørgensen wrote:
Martin KaFai Lau <ka...@fb.com> writes:

This patch adds support to BPF verifier to allow bpf program calling
kernel function directly.

Hi Martin

This is exciting stuff! :)

Just one quick question about this:

[ For the future calling function-in-kernel-module support, an array
   of module btf_fds can be passed at the load time and insn->off
   can be used to index into this array. ]

Is adding the support for extending this to modules also on your radar,
or is this more of an "in case someone needs it" comment? :)

It is in my list.  I don't mind someone beats me to it though
if he/she has an immediate use case. ;)

Noted ;)
No promises though, and at the rate you're going you may just get there
first. I'll be sure to ping you if I do start on this so we avoid
duplicating effort!

That's great!
Curious what use cases you have in mind?

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