On 4 January 2018 at 12:44, Thomas Huth <th...@redhat.com> wrote: > On 04.01.2018 13:33, Peter Maydell wrote: >> The diffstat is nice, but can we retain the "please use >> $NEWOPTION instead of $OLDOPTION" message for a bit? >> I'm pretty sure there will be users out there who've >> been happily ignoring deprecation notices, and I think >> we'll reduce the amount of support traffic if they >> get a new QEMU with a specific error message telling them >> what they need to fix, rather than one which just prints >> a generic "unknown option" message. > > Sounds like a good idea at the first glance ... but at a second thought: > Don't we confuse the management layers like libvirt this way, which > might probe for the availability of this option by executing QEMU with > this parameter?
If they do (which I'd hope they don't) then QEMU will exit with a failure status code, which they ought to identify as "not supported". thanks -- PMM
