linux-kernel - Re: [patch 2/4] [RFC] syscalls, x86: Add __NR

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Message-Id: <20120124154204.24256cba.akpm@linux-foundation.org>
Date:	Tue, 24 Jan 2012 15:42:04 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Cyrill Gorcunov <gorcunov@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-kernel@...r.kernel.org,
	Pavel Emelyanov <xemul@...allels.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Kees Cook <keescook@...omium.org>, Tejun Heo <tj@...nel.org>,
	Andrew Vagin <avagin@...nvz.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Glauber Costa <glommer@...allels.com>,
	Andi Kleen <andi@...stfloor.org>,
	Matt Helsley <matthltc@...ibm.com>,
	Pekka Enberg <penberg@...nel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Vasiliy Kulikov <segoon@...nwall.com>, Valdis.Kletnieks@...edu
Subject: Re: [patch 2/4] [RFC] syscalls, x86: Add __NR_kcmp syscall v4

On Tue, 24 Jan 2012 14:52:32 -0800
"H. Peter Anvin" <hpa@...or.com> wrote:

> On 01/24/2012 02:00 PM, Andrew Morton wrote:
> >>
> >> Arithmetic on void pointers?
> > 
> > All the world is gcc!
> 
> Even so, warnings are annoying...
> 

We already do arithmetic on void* in many places.  Run "make
W=3" and admire..

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