On Son, 2014-04-06 at 15:26 +0300, Lauri Kasanen wrote: > Hi, > > Obviously old userspace + new kernel combo needs to be supported. But > I'm not so sure about a mixed case, does old userspace + new userspace > need to be supported to run at the same time? > > For example, a new 64-bit mesa+libdrm and a 32-bit old set, both > running apps at the same time. > > Or is it acceptable to assume that once a new userspace has been run, > an old one won't be run for this boot?
I'm afraid not. Trivial counter-example: Build Git snapshot from after your changes, hit regression (not necessarily related to your changes), run git bisect involving snapshots from before your changes. -- Earthling Michel D?nzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
