From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCHv2 1/1] Documentation: describe how to add a system call
Date: Fri, 31 Jul 2015 21:56:46 -0700
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To: Josh Triplett <josh@joshtriplett.org>, Andy Lutomirski <luto@amacapital.net>
Cc: Kees Cook <keescook@chromium.org>, David Drysdale <drysdale@google.com>, Ingo Molnar <mingo@kernel.org>, Linux API <linux-api@vger.kernel.org>, Michael Kerrisk <mtk.manpages@gmail.com>, Andrew Morton <akpm@linux-foundation.org>, Arnd Bergmann <arnd@arndb.de>, Shuah Khan <shuahkh@osg.samsung.com>, Jonathan Corbet <corbet@lwn.net>, Eric B Munson <emunson@akamai.com>, Randy Dunlap <rdunlap@infradead.org>, Andrea Arcangeli <aarcange@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Oleg Nesterov <oleg@redhat.com>, Linus Torvalds <torvalds@linux-foundation.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Al Viro <viro@zeniv.linux.org.uk>, Rusty Russell <rusty@rustcorp.com.au>, Peter Zijlstra <peterz@infradead.org>, Vivek Goyal <vgoyal@redhat.com>, Alexei Starovoitov <ast@plumgrid.com>, David Herrmann <dh.herrmann@gmail.com>T
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On 07/31/2015 09:32 PM, Josh Triplett wrote:
> 
> Sure, agreed.  But I really hope we don't create new kernel ABIs that
> involve constructs like that.
> 

It's worth noting I have pushed for auto-marshalling in general for a
long time, not the least to get rid of the awful syscall(3) wrapper.  I
even built a prototype but didn't have time to productize it.

	-hpa