On 04.01.2018 13:33, Peter Maydell wrote: > On 4 January 2018 at 12:27, Thomas Huth <th...@redhat.com> wrote: >> The option has been marked as deprecated since QEMU 2.10, and so far >> nobody complained that it is urgently required anymore. So let's now >> get rid of this legacy pile, to simplify the usb code quite a bit. >> >> Signed-off-by: Thomas Huth <th...@redhat.com> > > 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? Thomas