Re: [Qemu-devel] [RFC PATCH v2 00/16] visitor+BER migration format

[Michael S. Tsirkin]

On Wed, Apr 23, 2014 at 11:47:21AM -0600, Eric Blake wrote:
> On 04/23/2014 11:16 AM, Dr. David Alan Gilbert wrote:
> > The one thing that the environment variable does make nice and easy,
> > for dev, is using it with existing test setups - e.g. running virt-test
> > in BER mode or existing mode.
> Hmm. Maybe a compromise - an environment variable determines the default
> state of the QMP capability (for use in running the testsuite in one
> mode or the other for all tests that don't explicitly set a mode), but
> the QMP command still allows toggling the state at runtime (the
> environment variable doesn't lock us out from changing away from the
> startup default).

Eric, could you explain the need for the runtime thing?

> -- 
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>