On Fri, Mar 31, 2017 at 08:09:04AM +0200, Juergen Gross wrote:
> Upstream commit 7ecec8503af37de6be4f96b53828d640a968705f
> ("xen/setup: Don't relocate p2m over existing one") should be
> considered for stable kernels from 4.3 up.
>
> Machines showing the critical memory configuration seem to be
> more common these days making it impossible to boot Xen with
> a kernel 4.3-4.9 as dom0 without taking special measures.
Thanks for letting us know, now applied to 4.4 and 4.9-stable trees.
greg k-h