linux-kernel - Re: kvm warning

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Date:	Wed, 8 Aug 2007 15:59:01 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Avi Kivity <avi@...ranet.com>
Cc:	Ingo Molnar <mingo@...e.hu>, kvm-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: kvm warning

On Thu, 09 Aug 2007 01:48:07 +0300
Avi Kivity <avi@...ranet.com> wrote:

> Ingo Molnar wrote:
> > * Andrew Morton <akpm@...ux-foundation.org> wrote:
> >
> >   
> >> ia64 allmodconfig says
> >>
> >> drivers/kvm/Kconfig:14:warning: 'select' used by config symbol 'KVM' 
> >> refers to undefined symbol 'PREEMPT_NOTIFIERS'
> >>     
> >
> > hm, why doesnt ia64 pick up kernel/Kconfig.preempt, like all the other 
> > arches? Due to that ia64 also misses out on voluntary preempt and on 
> > preempt-bkl.
> >
> >   
> 
> Even more hm, how does ia64 manage to enable kvm?  It 'depends on X86' 
> at this moment.
> 

beats me.  CONFIG_KVM doesn't get set.  But it seems that kconfig wants
to do error-checking on that item anyway.



btw, testing of Kconfig can be done for any architecture without
installation of a toolchain for that architecture.  Set $ARCH and run
mrproper then use menuconfig/oldconfig/allmodconfig/allconfig as usual.

Judging by the number of Kconfig problem I see, this is a big secret ;)
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