linux-kernel - Re: [PATCH] paravirt.h

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Message-ID: <20060822140832.GW11651@stusta.de>
Date:	Tue, 22 Aug 2006 16:08:32 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Rusty Russell <rusty@...tcorp.com.au>, Andi Kleen <ak@....de>,
	Andrew Morton <akpm@...l.org>,
	virtualization <virtualization@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH] paravirt.h

On Tue, Aug 22, 2006 at 05:56:03AM -0700, Jeremy Fitzhardinge wrote:
> Geert Uytterhoeven wrote:
> >>relicensing them.
> >>    
> >
> >That's a pretty strong statement...
> >  
> 
> Well, I'm not making any kind of legal statement.  I'm just pointing out 
> that from a technical perspective, there's a large visible functional 
> change from before if we use EXPORT_SYMBOL_GPL(paravirt_ops) vs 
> EXPORT_SYMBOL(paravirt_ops).  Given that the whole point of paravirt_ops 
> is to minimize visible changes, this seems counterproductive.

It only affects kernels with the new functionality PARAVIRT=y, not 
kernels with the same functionality as today.

The alternative is to keep the EXPORT_SYMBOL_GPL(paravirt_ops) and make 
the functions using it out of line functions.

>    J

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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