linux-kernel - Re: [PATCH] Complain about missing system calls.

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Message-ID: <20070309193524.GX18564@lug-owl.de>
Date:	Fri, 9 Mar 2007 20:35:24 +0100
From:	Jan-Benedict Glaw <jbglaw@...-owl.de>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	David Woodhouse <dwmw2@...radead.org>, akpm@...l.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	rmk@....linux.org.uk, sam@...nborg.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH] Complain about missing system calls.

On Fri, 2007-03-09 20:00:51 +0100, Andi Kleen <andi@...stfloor.org> wrote:
> > Not everybody has a simple indexed list of pointers :)  For example,
> > for vax-linux, we use a struct per syscall with the expected number of
> > on-stack longwords for the call.
> > 
> > So if something "new" is coming up, please keep in mind that it should
> > be flexible enough to represent that. :)
> 
> Are there plans to merge vax any time soon to mainline? 

Well...  That depends :)  For now, I'd prefer to stay out of mainline,
until we're having gcc-trunk with a current GNU libc up'n'running.
Until then, I plan to at least break the complete ABI once (drop old
syscals and _only_ wire up their modern counterparts.)

> Normally we don't care very much about out of tree code, especially
> if it adds complexity like this.

Sure, but at least mentioning that there's more than only a simple
table of function pointers may or may not help to *plan* the code to
fit future needs.

> But I suspect s390 would need number of arguments anyways.

Any they're already merged. Yay :)

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@...-owl.de              +49-172-7608481
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