"Michael S. Tsirkin" <m...@redhat.com> writes: > On Wed, Jun 17, 2015 at 08:52:42AM +0200, Markus Armbruster wrote: >> "Dr. David Alan Gilbert (git)" <dgilb...@redhat.com> writes: >> >> > From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> >> > >> > Older QEMUs dont understand the new (sub)sections that >> > may be generated in the serial device. Limit their generation >> > to newer machine types. >> >> Please explain briefly what state migration can lose with old machine >> types, and how this could impact the guest. The commits adding the >> subsections should have the information[*]. Pointers to them might >> suffice. >> >> >> [*] Should != do; I didn't check. > > OTOH if we have flags named after specific portions we skip, > and not after qemu versions, this becomes evident from code.
The commit message needs to spell things out regardless.
