On Wed, Apr 04, 2018 at 12:38:43PM +0200, Juergen Gross wrote: > Please add the patches: > > commit 038bac2b02989acf1fc938cedcb7944c02672b9f upstream > commit dfc9327ab7c99bc13e12106448615efba833886b upstream > commit b17d9d1df3c33a4f1d2bf397e2257aecf9dc56d4 upstream > > to the 4.15 and 4.16 stable kernels. > > Those patches are needed to boot Linux as PVH guest on recent Xen. So a new feature? Why is that ok for stable kernels? > In PVH mode there is no guarantee the kernel can find the RSDP table > at the legacy location in low memory, which is a requirement for the > kernel to boot successful without those patches. Why not just use newer kernels for new Xen features? This really doesn't look like a bugfix to me, does it to you? thanks, greg k-h