On 03/11/17 19:35, Boris Ostrovsky wrote: > On 11/03/2017 02:23 PM, Juergen Gross wrote: >> On 03/11/17 19:19, Boris Ostrovsky wrote: >>> On 11/03/2017 02:05 PM, Juergen Gross wrote: >>>> So again the question: how to tell whether we are PVH or HVM in >>>> init_hypervisor_platform()? ACPi tables are scanned way later... >>> Can we make grub/OVMF append a boot option? >>> >>> Or set setup_header.hardware_subarch to something? We already have >>> X86_SUBARCH_XEN but it is only used by PV. Or we might be able to use >>> hardware_subarch_data (will need to get a buy-in from x86 maintainers, I >>> think). >> But wouldn't this break the idea to reuse the native boot paths in >> grub/OVMF without further modifications? > > WDYM? We will have to have some sort of a plugin in either one to build > the zeropage anyway. So we'd set hardware_subarch there, in addition to > other things like setting memory and such.
But isn't the zeropage already being built? I admit that setting subarch isn't a big deal, but using another entry with a passed-through pvh start struct isn't either... Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
