linux-kernel - Re: [PATCH 21/25][V3] export cpu_gdt

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Message-ID: <5d6222a80708150725i45a064bfqfd43139338287988@mail.gmail.com>
Date:	Wed, 15 Aug 2007 11:25:43 -0300
From:	"Glauber de Oliveira Costa" <glommer@...il.com>
To:	"Andi Kleen" <ak@...e.de>
Cc:	"Glauber de Oliveira Costa" <gcosta@...hat.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	rusty@...tcorp.com.au, mingo@...e.hu, chrisw@...s-sol.org,
	jeremy@...p.org, avi@...ranet.com, anthony@...emonkey.ws,
	virtualization@...ts.linux-foundation.org, lguest@...abs.org,
	"Steven Rostedt" <rostedt@...dmis.org>
Subject: Re: [PATCH 21/25][V3] export cpu_gdt_descr

On 8/15/07, Andi Kleen <ak@...e.de> wrote:
> > +#ifdef CONFIG_PARAVIRT
> > +extern unsigned long *cpu_gdt_descr;
>
> No externs in .c files
>
> Normally they should be where the variable is defined
> anyways.
Given that this  variable is defined in head.S, what do you propose?
AFAICT, this is the very duty of this file (x8664_syms.c), and the
extern is also used in other symbols like the memcpy family

-- 
Glauber de Oliveira Costa.
"Free as in Freedom"
http://glommer.net

"The less confident you are, the more serious you have to act."
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