On 07/12/2018 14:52, Paolo Bonzini wrote: > On 07/12/18 14:50, Juergen Gross wrote: >> The PVH boot entry is in the same bzImage binary as the normal one. >> Its just another entry, similar to the Xen PV boot entry. So the binary >> arch/x86/boot/bzimage can be booted either on bare metal via grub2 or >> other boot-loaders, as Xen PV-guest, as Xen PVH-guest, or as KVM >> PVH-guest. So one build and one binary. The non-standard boot entries >> (PV- or PVH-node) are found via ELF-notes by the boot loader (qemu in >> case of KVM). >> > > But the bzImage is not an ELF binary, and it is compressed, isn't it? > /me is confused. :) grub2 (and qemu, too) can decompress it. And the decompressed result "vmlinux" is an ELF-binary. Juergen