On Wed, 10 Feb 2016, Ian Campbell wrote: > This is most easily explained by the commit log of the first patch: > > Xen 4.2 become unsupported upstream in 09/2015 (see > http://wiki.xen.org/wiki/Xen_Release_Features). However as far as the > interfaces provided by the toolstack libraries go 4.2 and 4.3 are > indistinguishable. > > Therefore drop support for Xen 4.1 and earlier which removes a whole > pile of compatibility code which makes future work (to use stable > library interfaces provided by upstream) more difficult. In particular > all supported versions now use a pointer as a libxc handle (4.1 and > earlier used an integer, resulting in various shim layers). > > Also Xen 4.2 was the first version of Xen to formally support upstream > QEMU (as a preview) so that makes sense as a cut-off now. > > The rest of the patches are just further cleanups which become possible.
I committed this series to my "next" branch.
