Re: kvm warning

From: Andrew Morton
Date: Wed Aug 08 2007 - 19:00:07 EST


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

> Ingo Molnar wrote:
> > * Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> 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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