Re: [PATCH 3/9] change order of kvm_init call.

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On Mon, Jul 27, 2009 at 03:20:08PM -0300, Glauber Costa wrote:
> On Mon, Jul 27, 2009 at 08:10:24PM +0200, Jan Kiszka wrote:
> > 
> > I think we should simply resolves this the way upstream does: Do not
> > start if modules are missing and -no-kvm is omitted - or even switch
> > over to -enable-kvm as I think you already suggested in some other
> > thread. Then we can either fail or succeed, but not fall back more or
> > less silently. This falling back of qemu-kvm to tcg is a constant source
> > of confusion anyway.
> 
> switching to --enable-kvm would be my preferred solution, but guys from
> mgmt tools may not like it.

Totally agree that it should never ever fallback to a  different mode than
the one requested, since falling  back from KVM to QEMU simply means the 
user doesn't discover the problem till their  VM install has wasted an 
hour of their time. Personally I would vote for --accelmode qemu|kvm|kqemu 
since it is more future proof, but I'm not too bothered if people prefer 
to have --enable-kvm on the grounds that kqemu is being killed off. 
libvirt just needs a reliable way to request one of qemu, kvm, or kqemu, 
and either get an error message, or have the requested mode work.

Regards,
Daniel
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