[libvirt] [PATCH] qemu: Prohibit migration of guests with host devices

[Daniel P. Berrange]

On Thu, Oct 14, 2010 at 11:45:37AM +0200, Daniel Veillard wrote:
> On Thu, Oct 14, 2010 at 09:59:18AM +0100, Daniel P. Berrange wrote:
> > On Thu, Oct 14, 2010 at 09:38:27AM +0200, Jiri Denemark wrote:
> > > Explicitly raising a nice error in the case user tries to migrate a
> > > guest with assigned host devices is much better than waiting for a
> > > mysterious error with no clue for the reason.
> > > ---
> > >  src/qemu/qemu_driver.c |   19 +++++++++++++++++++
> > >  1 files changed, 19 insertions(+), 0 deletions(-)
> > 
> > ACK, good idea.
> 
>  yup, ACK
> 
> However over long term this may have to be revisited, I have heard about
> attempts to work around that limitation, but in the current state that's
> the right thing to do :-)

The workarounds have all be along the lines of 'unplug the device' before
and 'plug it back in' afterwards :-)

Daniel
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