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Date: Wed, 23 Sep 2020 20:11:36 +0200
From: Solar Designer <>
To: Florian Weimer <>
Cc: Pavel Machek <>,,,,,,,,,,,, David.Laight@...LAB.COM,,,
	Rich Felker <>
Subject: Re: [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor

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?


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