search for: notifier_chain_register

The attached patch: 1. Converts the shutdown driver and xend to use the store instead of control messages, 2. Includes Anthony''s xenstore notification code, and 3. Changes xend so that sysrq''s are no longer sent as "special case" shutdown messages. Store keys are cheap, so making the sysrq delivery less obscure is good. I think I have made all of the

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths