Re: [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor

[Solar Designer]

On Wed, Sep 23, 2020 at 04:39:31PM +0200, Florian Weimer wrote:
> * Solar Designer:
> 
> > While I share my opinion here, I don't mean that to block Madhavan's
> > work.  I'd rather defer to people more knowledgeable in current userland
> > and ABI issues/limitations and plans on dealing with those, especially
> > to Florian Weimer.  I haven't seen Florian say anything specific for or
> > against Madhavan's proposal, and I'd like to.  (Have I missed that?)

[...]
> I think it's unnecessary for the libffi use case.
[...]

> I don't know if kernel support could
> make sense in this context, but it would be a completely different
> patch.

Thanks.  Are there currently relevant use cases where the proposed
trampfd would be useful and likely actually made use of by userland -
e.g., specific userland project developers saying they'd use it, or
Madhavan intending to develop and contribute userland patches?

Alexander