Re: [Qemu-devel] [PATCH 1/1 v2] Allow machines to configure the QEMU_VERSION that's exposed via hardware

[Anthony Liguori]

On 04/10/2012 04:24 PM, Peter Maydell wrote:
> On 10 April 2012 21:16, Crístian Viana<address@hidden>  wrote:
> > Based on the following conversation:
> >
> > http://mid.gmane.org/address@hidden
> >
> > > Which reminds me - qemu sticks the release version in
> > > guest visible places like CPU version.
> > > This is wrong and causes windows guests to print messages
> > > about driver updates when you switch.
> > > We should find all these places and stop doing this.
> >
> > There is a new field on the struct QEmuMachine, hw_version, which may
> > contain the version that the specific machine should report. If that
> > field is set, then that machine will report that version to the virtual
> > machine.
>
> This is still changing the version printed in a bunch of user
> facing usage and help messages. Please drop those.

Why? Changing the help messages is not necessary or useful.  We just need to 
make sure the guest ABI remains stable.

libvirt extracts the version info from the help message so if we change it, it's 
going to break libvirt.

Regards,

Anthony Liguori

> -- PMM