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Message-ID: <c898918d18f34fd5b004cd1549b6a99e@AcuMS.aculab.com>
Date: Tue, 4 Aug 2020 14:33:06 +0000
From: David Laight <David.Laight@...LAB.COM>
To: 'Mark Rutland' <mark.rutland@....com>, "Madhavan T. Venkataraman"
<madvenka@...ux.microsoft.com>
CC: Andy Lutomirski <luto@...nel.org>, Kernel Hardening
<kernel-hardening@...ts.openwall.com>, Linux API <linux-api@...r.kernel.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, Linux FS Devel
<linux-fsdevel@...r.kernel.org>, linux-integrity
<linux-integrity@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, "LSM
List" <linux-security-module@...r.kernel.org>, Oleg Nesterov
<oleg@...hat.com>, X86 ML <x86@...nel.org>
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.
David
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