Hello,
Fedora has carried flow control patches for qemu chardevs since a very
long time now. They weren't upstream, and they were required for
spice, usb-redir to work properly and not freeze the guest.
Upstream qemu has now merged an alternative implementation of the same
concept, and most of the bugs have been shaken out upstream (we don't
know of any known bugs now). So I'm of the view we should replace
the older patches in F19's qemu with the backport of the newer,
upstream ones.
Is this fine? I can work with Cole / Hans who have been keeping the
older patches uptodate on Fedora to replace the patches.
Thanks,
Amit