On Wed, 1 Dec 2004, Satish Balay wrote: > On Wed, 1 Dec 2004, Alan Cox wrote: > > > On Wed, Dec 01, 2004 at 05:50:42PM -0500, Joel Rittvo wrote: > > > Could someone please explain (or point me to an explanation of) the > > > alternate builds released for the newest test kernel? Specifically: > > > > > > kernel compiled for Xen guest0 VM operations > > > kernel compiled for unprivileged Xen guest VMs > > > > Xen is a para-virtualisation system for x86. It provides a secure way to run a > > lot of copies of Linux at once on a single PC. To get the speed it doesn't > > emulate a PC exactly (as vmware tries to) but requires the kernels are > > "Xen friendly". > > > > The Xen guest0 kernel is the kernel that runs all the real devices and supports > > the actual hardware. The unpriviledged guests then talk to guest0 via > > virtual hardware interfaces. > > Ok - I'm a bit confused. > > Does this mean 'guest0' is equivalent to vmware-host-os (i.e I boot > off this kernel on the real hardware), and 'guestU' (unpreviledged) is > the kernel installed inside the 'vm'? (aka vmware-guest-os) > > or is it something else? Never mind.. The following from xen user's manual explains a bit (still need more reading). Grub entry for xen (for initial boot). title Xen 2.0 / XenLinux 2.6.9 kernel /boot/xen.gz dom0_mem=131072 module /boot/vmlinuz-2.6.9-xen0 root=/dev/sda4 ro console=tty0 Satish --- http://www.cl.cam.ac.uk/Research/SRG/netos/xen/readmes/user/user.html