linux-kernel - Re: [PATCH 1/1] export native versions of machine

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Date:	Thu, 6 Mar 2008 13:13:13 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Glauber Costa <glommer@...il.com>
Cc:	Glauber Costa <gcosta@...hat.com>, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, tglx@...utronix.de
Subject: Re: [PATCH 1/1] export native versions of machine_ops functions


* Glauber Costa <glommer@...il.com> wrote:

> >  i'd like to do this only if there are actual users - otherwise 
> >  we'll get a trickle of "make needlessly global functions static" 
> >  patches a few weeks later ;-)
> 
> KVM is a user for that. Because it registers a memory area in which 
> the host will be continually writting to (the clock), when it 
> shutdown, the host have no way to know it has to stop. If you're 
> really shutting down, there's no problem. But if you're kexecing, for 
> example, the host will keep writting to a random memory area after the 
> new kernel installs.

i mean, i agree in general - but KVM is not a user of any of those 
currently static functions. So i've applied your patch but lets make 
sure those functions really get used :)

	Ingo
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