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Date: Tue, 4 Aug 2020 14:33:06 +0000
From: David Laight <David.Laight@...LAB.COM>
To: 'Mark Rutland' <>, "Madhavan T. Venkataraman"
CC: Andy Lutomirski <>, Kernel Hardening
	<>, Linux API <>,
	linux-arm-kernel <>, Linux FS Devel
	<>, linux-integrity
	<>, LKML <>, "LSM
 List" <>, Oleg Nesterov
	<>, X86 ML <>
Subject: RE: [PATCH v1 0/4] [RFC] Implement Trampoline File Descriptor

> > If you look at the libffi reference patch I have included, the architecture
> > specific changes to use trampfd just involve a single C function call to
> > a common code function.

No idea what libffi is, but it must surely be simpler to
rewrite it to avoid nested function definitions.

Or find a book from the 1960s on how to do recursive
calls and nested functions in FORTRAN-IV.


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